/* roulang page: index */
:root {
            --primary: #6C3EF5;
            --magenta: #FF2E88;
            --amber: #FFB020;
            --dark: #15102B;
            --deep: #131026;
            --bg: #F7F5FB;
            --card: #FFFFFF;
            --text: #1E1B2A;
            --muted: #6B6776;
            --border: #ECE7F6;
            --gradient: linear-gradient(135deg, #6C3EF5 0%, #FF2E88 100%);
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-pill: 999px;
            --shadow: 0 10px 30px rgba(30, 15, 70, .08);
            --shadow-lg: 0 18px 46px rgba(30, 15, 70, .14);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", Roboto, sans-serif;
            --container: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body.no-scroll {
            overflow: hidden;
            height: 100vh;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            border: 0;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        p {
            margin: 0;
        }
        .container {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 90px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 4px;
        }
        .section-desc {
            color: var(--muted);
            font-size: 15px;
            max-width: 560px;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            white-space: nowrap;
            border-bottom: 2px solid rgba(108, 62, 245, .18);
            padding-bottom: 2px;
            transition: .25s;
        }
        .link-more:hover {
            color: var(--magenta);
            border-color: var(--magneta);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 30;
            height: 80px;
            background: transparent;
            color: #FFFFFF;
            transition: background .3s, box-shadow .3s, color .3s;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 8px 30px rgba(30, 15, 70, .08);
            color: var(--text);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .site-header.menu-open {
            background: #FFFFFF;
            box-shadow: 0 8px 24px rgba(30, 15, 70, .08);
            color: var(--text);
        }
        .header-inner {
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            flex: 0 0 42px;
            border-radius: 14px;
            background: var(--gradient);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 22px;
            box-shadow: 0 6px 16px rgba(108, 62, 245, .35);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand-main {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: .02em;
        }
        .brand-sub {
            font-size: 10px;
            opacity: .72;
            letter-spacing: .04em;
            margin-top: 4px;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 26px;
        }
        .nav-link {
            position: relative;
            color: inherit;
            font-weight: 600;
            font-size: 15px;
            padding: 8px 2px;
            line-height: 1.2;
            transition: color .25s, opacity .25s;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 6px;
            right: 6px;
            bottom: 0;
            height: 3px;
            border-radius: 99px;
            background: var(--gradient);
            opacity: 0;
            transform: scaleX(.6);
            transition: .25s;
        }
        .nav-link:hover {
            opacity: .85;
            color: var(--amber);
        }
        .nav-link.is-active {
            color: inherit;
            font-weight: 800;
        }
        .nav-link.is-active::after {
            opacity: 1;
            transform: scaleX(1);
            background: linear-gradient(90deg, var(--amber), var(--magenta));
        }
        .site-header.scrolled .nav-link:hover {
            color: var(--primary);
        }
        .btn-nav {
            min-height: 44px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--gradient);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 0 6px 18px rgba(255, 46, 136, .25);
            transition: .25s;
        }
        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(108, 62, 245, .35);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: transparent;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border: 1px solid rgba(255, 255, 255, .25);
        }
        .site-header.scrolled .nav-toggle,
        .site-header.menu-open .nav-toggle {
            border-color: rgba(30, 27, 42, .15);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 3px;
            background: #FFFFFF;
            transition: .25s;
        }
        .site-header.scrolled .nav-toggle span,
        .site-header.menu-open .nav-toggle span {
            background: var(--text);
        }
        .site-header.menu-open .nav-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .site-header.menu-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }
        .site-header.menu-open .nav-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
        }
        .skip-link {
            position: fixed;
            top: -80px;
            left: 24px;
            z-index: 100;
            background: var(--primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 700;
            transition: .2s;
        }
        .skip-link:focus {
            top: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            border: 0;
            cursor: pointer;
            transition: transform .25s, box-shadow .25s, background .25s, border-color .25s, color .25s;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient);
            color: #FFFFFF;
            box-shadow: 0 10px 28px rgba(108, 62, 245, .32);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(255, 46, 136, .36);
            color: #FFFFFF;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, .55);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: var(--amber);
            color: #FFFFFF;
        }
        .btn-darkline {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid rgba(108, 62, 245, .2);
        }
        .btn-darkline:hover {
            border-color: var(--primary);
            background: #f8f4ff;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: 999px;
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 700;
        }
        .badge-amber {
            background: linear-gradient(135deg, #FFB020, #FF8A00);
            color: #2B1600;
        }
        .badge-glass {
            background: rgba(255, 255, 255, .14);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(8px);
        }
        .hero {
            position: relative;
            background: var(--dark);
            color: #FFFFFF;
            padding: 152px 0 96px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .2;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(21, 16, 43, .98) 22%, rgba(21, 16, 43, .84) 58%, rgba(108, 62, 245, .42) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.08fr .92fr;
            gap: 64px;
            align-items: center;
        }
        .hero-copy {
            max-width: 620px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: #F6ECFF;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 8px 16px;
            border-radius: 999px;
            margin-bottom: 28px;
            letter-spacing: .05em;
        }
        .hero-eyebrow i {
            color: var(--amber);
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.28;
            margin-bottom: 18px;
            color: #FFFFFF;
        }
        .hero-title em {
            font-style: normal;
            background: linear-gradient(100deg, #FFB020, #FF7A00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .72);
            max-width: 560px;
            margin-bottom: 34px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 18px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-top: 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, .62);
        }
        .hero-trust li {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .hero-trust i {
            color: var(--amber);
        }
        .hero-visual {
            position: relative;
        }
        .phone-panel {
            position: relative;
            max-width: 330px;
            width: 100%;
            aspect-ratio: 9 / 16;
            margin: 0 auto;
            border-radius: 34px;
            overflow: hidden;
            border: 4px solid rgba(255, 255, 255, .22);
            background: #221A3C;
            box-shadow: 0 30px 70px rgba(0, 0, 0, .45), 0 0 0 1px rgba(255, 255, 255, .06);
        }
        .phone-panel>img.phone-cover {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .phone-shade {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(21, 16, 43, .18) 0%, transparent 32%, transparent 62%, rgba(21, 16, 43, .78) 100%);
        }
        .phone-top {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 4;
            height: 38px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 18px;
            background: linear-gradient(180deg, rgba(21, 16, 43, .36), transparent);
            font-size: 12px;
            color: #fff;
            letter-spacing: .04em;
        }
        .rec-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #FF4E6A;
            box-shadow: 0 0 0 3px rgba(255, 78, 106, .22);
        }
        .hero-play {
            position: absolute;
            left: 50%;
            top: 48%;
            z-index: 5;
            width: 64px;
            height: 64px;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            background: rgba(255, 255, 255, .24);
            border: 2px solid rgba(255, 255, 255, .75);
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(6px);
            transition: .25s;
        }
        .hero-play:hover {
            background: var(--gradient);
            border-color: transparent;
            transform: translate(-50%, -50%) scale(1.06);
        }
        .hero-stats {
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 14px;
            z-index: 6;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }
        .hs-cell {
            background: rgba(21, 16, 43, .62);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 16px;
            padding: 10px 6px;
            text-align: center;
            color: #FFFFFF;
        }
        .hs-value {
            display: block;
            font-size: 17px;
            line-height: 1.2;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            background: linear-gradient(90deg, #FFB020, #FFE0A3);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hs-label {
            display: block;
            font-size: 11px;
            color: rgba(255, 255, 255, .7);
            margin-top: 3px;
        }
        .clips-section {
            background: var(--bg);
        }
        .clip-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 6px 2px 18px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .clip-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .clip-scroll::-webkit-scrollbar-track {
            background: #ECE7F6;
            border-radius: 20px;
        }
        .clip-scroll::-webkit-scrollbar-thumb {
            background: linear-gradient(90deg, #6C3EF5, #FF2E88);
            border-radius: 20px;
        }
        .clip-card {
            position: relative;
            flex: 0 0 230px;
            scroll-snap-align: start;
            aspect-ratio: 9 / 15;
            border-radius: 24px;
            overflow: hidden;
            background: var(--dark);
            box-shadow: var(--shadow);
            transition: .3s;
        }
        .clip-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .clip-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }
        .clip-card:hover img {
            transform: scale(1.05);
        }
        .clip-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 42%, rgba(21, 16, 43, .58) 100%);
        }
        .clip-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
        }
        .clip-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .3);
            border: 1.5px solid rgba(255, 255, 255, .72);
            color: #fff;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 3;
            opacity: 0;
            transition: .25s;
        }
        .clip-card:hover .clip-play {
            opacity: 1;
        }
        .clip-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            padding: 14px 16px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            color: #fff;
        }
        .clip-name {
            font-weight: 800;
            font-size: 15px;
        }
        .clip-type {
            display: block;
            font-size: 11px;
            color: rgba(255, 255, 255, .68);
            font-weight: 500;
        }
        .pick-section {
            background: #FFFFFF;
        }
        .pick-grid {
            display: grid;
            grid-template-columns: .68fr 1.32fr;
            gap: 52px;
            align-items: center;
        }
        .lead-panel {
            position: relative;
            height: 440px;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .lead-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .lead-panel::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 35%, rgba(21, 16, 43, .78) 100%);
        }
        .lead-caption {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            z-index: 2;
            color: #fff;
        }
        .lead-caption p {
            font-size: 14px;
            color: rgba(255, 255, 255, .82);
            margin-top: 8px;
        }
        .pick-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .pick-row {
            display: grid;
            grid-template-columns: 52px 92px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 16px 18px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 22px;
            box-shadow: 0 6px 20px rgba(30, 15, 70, .05);
            transition: .3s;
        }
        .pick-row:hover {
            transform: translateX(4px);
            background: #FBF8FF;
            border-color: rgba(108, 62, 245, .25);
            box-shadow: var(--shadow);
        }
        .pick-index {
            font-size: 32px;
            font-weight: 900;
            text-align: center;
            font-variant-numeric: tabular-nums;
            opacity: .45;
            background: linear-gradient(140deg, #6C3EF5, #FF2E88);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .pick-cover {
            width: 92px;
            height: 92px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 18px rgba(30, 15, 70, .12);
        }
        .pick-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .pick-main {
            min-width: 0;
        }
        .pick-title {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 5px;
        }
        .pick-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 8px;
        }
        .pick-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            color: var(--muted);
            background: #F4F1FA;
            border-radius: 999px;
            padding: 2px 10px;
            font-weight: 600;
        }
        .pick-score {
            font-size: 13px;
            color: var(--muted);
        }
        .pick-score i {
            color: var(--amber);
        }
        .pick-enter {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 8px 20px rgba(255, 46, 136, .25);
            transition: .25s;
        }
        .pick-enter:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 26px rgba(108, 62, 245, .35);
        }
        .review-band {
            position: relative;
            background: var(--dark);
            color: #FFFFFF;
            padding: 90px 0;
            overflow: hidden;
        }
        .review-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .16;
        }
        .review-band::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(21, 16, 43, .98), rgba(21, 16, 43, .62) 50%, rgba(108, 62, 245, .35));
        }
        .review-band .container {
            position: relative;
            z-index: 2;
        }
        .review-band .section-title {
            color: #FFFFFF;
        }
        .review-band .section-desc {
            color: rgba(255, 255, 255, .7);
        }
        .review-marquee {
            overflow: hidden;
            margin: 30px -8px 36px;
            padding: 4px 8px 20px;
            -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
            mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
        }
        .review-track {
            display: flex;
            width: max-content;
            animation: reviewLoop 42s linear infinite;
        }
        .review-marquee:hover .review-track {
            animation-play-state: paused;
        }
        .review-group {
            display: flex;
            gap: 16px;
            padding-right: 16px;
        }
        @keyframes reviewLoop {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .review-bubble {
            width: 310px;
            min-width: 310px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 22px;
            padding: 20px 22px;
            color: rgba(255, 255, 255, .9);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .12);
            backdrop-filter: blur(6px);
        }
        .review-text {
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .review-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
        }
        .review-avatar {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .7);
        }
        .review-stars {
            color: var(--amber);
            display: inline-flex;
            gap: 2px;
            font-size: 12px;
        }
        .review-game {
            color: rgba(255, 255, 255, .55);
        }
        .rating-summary {
            text-align: center;
            padding: 20px;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 28px;
        }
        .rating-summary .score-big {
            font-size: 50px;
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -.04em;
            display: inline-flex;
            align-items: baseline;
            gap: 10px;
            color: #fff;
        }
        .score-big i {
            color: var(--amber);
            font-size: 24px;
        }
        .rating-summary .score-note {
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
            margin-top: 6px;
        }
        .news-section {
            background: var(--bg);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-card {
            display: grid;
            grid-template-columns: 230px 1fr;
            gap: 24px;
            background: #FFFFFF;
            padding: 14px;
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: 0 6px 20px rgba(30, 15, 70, .04);
            transition: .3s;
        }
        .news-card:hover {
            border-color: rgba(108, 62, 245, .28);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .news-thumb {
            height: 158px;
            border-radius: 16px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-main {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: center;
            min-width: 0;
            padding-right: 8px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .news-cat {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: var(--gradient);
            border-radius: 999px;
            padding: 4px 12px;
        }
        .news-date {
            font-size: 13px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-main h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-main h3:hover {
            color: var(--primary);
        }
        .news-main p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 10px;
            overflow: hidden;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            margin-top: auto;
            transition: .2s;
        }
        .read-more:hover {
            color: var(--magenta);
            gap: 12px;
        }
        .news-empty {
            background: #fff;
            border: 1.5px dashed #D9CFF0;
            border-radius: 20px;
            padding: 56px 24px;
            text-align: center;
            color: var(--muted);
        }
        .news-empty i {
            display: block;
            font-size: 34px;
            color: #BBA9E8;
            margin-bottom: 14px;
        }
        .news-empty p {
            font-size: 16px;
        }
        .faq-section {
            background: #FFFFFF;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            background: transparent;
            border: 0;
        }
        .accordion-item,
        .accordion-title,
        .accordion-content {
            background: transparent !important;
            border: 0 !important;
            color: var(--text) !important;
        }
        .accordion-content {
            padding: 0 !important;
        }
        .accordion-item {
            margin-bottom: 14px;
            background: #fff !important;
            border: 1px solid var(--border) !important;
            border-radius: 20px !important;
            overflow: hidden;
            transition: .25s;
        }
        .accordion-item:hover {
            border-color: rgba(108, 62, 245, .3);
            box-shadow: var(--shadow);
        }
        .accordion-item.is-active {
            border-color: rgba(108, 62, 245, .3);
            box-shadow: var(--shadow);
        }
        .accordion-title {
            display: flex !important;
            align-items: center !important;
            justify-content: space-between !important;
            gap: 16px;
            font-size: 17px;
            font-weight: 800;
            line-height: 1.6;
            color: var(--text) !important;
            padding: 20px 24px !important;
            border-radius: 20px !important;
        }
        .accordion-title:hover {
            background: #FBF8FF !important;
            color: var(--primary) !important;
        }
        .accordion-title::after {
            content: "+";
            width: 32px;
            height: 32px;
            flex: 0 0 32px;
            border-radius: 50%;
            background: #F3EFFF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 400;
            transition: .3s;
        }
        .accordion-item.is-active .accordion-title::after {
            content: "−";
            background: var(--gradient);
            color: #fff;
            transform: rotate(180deg);
        }
        .accordion-content {
            padding: 0 24px 20px !important;
            color: var(--muted) !important;
            font-size: 15px;
            line-height: 1.9;
        }
        .accordion-content p {
            border-left: 4px solid transparent;
            background: linear-gradient(120deg, rgba(108, 62, 245, .08), rgba(255, 46, 136, .06));
            border-radius: 0 16px 16px 0;
            padding: 14px 18px;
            line-height: 1.9;
        }
        .cta-section {
            position: relative;
            background: var(--deep);
            color: #FFFFFF;
            padding: 100px 0;
            overflow: hidden;
            text-align: center;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: .18;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 120%, rgba(255, 46, 136, .3), transparent 60%), radial-gradient(circle at 50% 0%, rgba(108, 62, 245, .35), transparent 55%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .cta-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--amber);
            font-weight: 800;
            letter-spacing: .08em;
            border: 1px solid rgba(255, 176, 32, .4);
            background: rgba(255, 176, 32, .08);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            margin-bottom: 24px;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .cta-inner>p {
            color: rgba(255, 255, 255, .74);
            margin: 0 auto 34px;
            max-width: 640px;
            font-size: 16px;
            line-height: 1.9;
        }
        .btn-xlg {
            min-height: 58px;
            padding: 0 44px;
            font-size: 17px;
        }
        .cta-tip {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
            margin-top: 22px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .72);
            border-top: 4px solid rgba(255, 176, 32, .32);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr .8fr 1.1fr .9fr;
            gap: 48px;
            padding: 72px 0 48px;
        }
        .footer-brand .brand {
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-brand .brand-mark {
            box-shadow: 0 8px 22px rgba(255, 46, 136, .24);
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 2;
            color: rgba(255, 255, 255, .58);
            max-width: 320px;
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            transition: .25s;
        }
        .footer-social a:hover {
            background: var(--gradient);
            transform: translateY(-2px);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(255, 176, 32, .25);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            transition: .2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a i {
            font-size: 8px;
            color: var(--amber);
            opacity: .55;
        }
        .footer-links a:hover {
            color: var(--amber);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .46);
            line-height: 1.8;
        }
        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .68);
            border-bottom: 1px solid rgba(255, 255, 255, .2);
            transition: .2s;
        }
        .footer-bottom a:hover {
            color: var(--amber);
            border-color: var(--amber);
        }
        @media (max-width: 1099px) {
            .desktop-nav {
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1.3fr 1fr 1fr;
                gap: 36px;
            }
            .footer-grid .footer-col:last-child {
                display: none;
            }
        }
        @media (max-width: 1023px) {
            .desktop-nav {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .mobile-nav {
                display: flex;
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                bottom: 0;
                overflow-y: auto;
                background: rgba(255, 255, 255, .98);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 18px 24px 40px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(12px);
                transition: .25s ease;
                z-index: 29;
            }
            .site-header.menu-open .mobile-nav {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .mobile-nav a {
                display: flex;
                align-items: center;
                gap: 12px;
                min-height: 48px;
                padding: 0 18px;
                border-radius: 16px;
                font-size: 16px;
                font-weight: 700;
                color: var(--text);
                transition: .2s;
            }
            .mobile-nav a.is-active {
                color: var(--primary);
                background: #F3EDFF;
            }
            .mobile-nav a:hover {
                background: #FBF8FF;
                color: var(--primary);
            }
            .mobile-nav .btn-nav-mobile {
                margin-top: 18px;
                min-height: 52px;
                justify-content: center;
                background: var(--gradient);
                color: #fff;
            }
            .hero {
                padding: 128px 0 76px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .hero-copy {
                max-width: 100%;
            }
            .hero-visual {
                max-width: 340px;
                margin: 0 auto;
                width: 100%;
            }
            .pick-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .pick-scroll-wrap {
                grid-row: 2;
            }
            .footer-grid {
                grid-template-columns: 1.2fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 28px;
            }
            .hero {
                padding: 112px 0 60px;
            }
            .hero-title {
                font-size: 31px;
                line-height: 1.4;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-trust {
                gap: 10px 18px;
                font-size: 12px;
            }
            .clip-card {
                flex-basis: 180px;
            }
            .lead-panel {
                height: 360px;
            }
            .pick-row {
                grid-template-columns: 36px 68px 1fr;
                gap: 14px;
                padding: 14px;
            }
            .pick-cover {
                width: 68px;
                height: 68px;
                border-radius: 16px;
            }
            .pick-enter {
                grid-column: 2 / 4;
                width: 100%;
                height: 42px;
                border-radius: 999px;
                gap: 8px;
                font-size: 13px;
            }
            .pick-title {
                font-size: 16px;
            }
            .pick-tag {
                font-size: 11px;
            }
            .review-band {
                padding: 56px 0;
            }
            .review-bubble {
                width: 280px;
                min-width: 280px;
                padding: 16px 18px;
            }
            .rating-summary .score-big {
                font-size: 40px;
            }
            .news-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .news-thumb {
                height: 190px;
                margin-bottom: 14px;
            }
            .accordion-title {
                padding: 16px 18px !important;
                font-size: 15px;
            }
            .accordion-content {
                padding: 0 18px 16px !important;
            }
            .cta-section {
                padding: 72px 0;
            }
            .cta-inner h2 {
                font-size: 27px;
            }
            .btn-xlg {
                width: 100%;
                padding: 0 18px;
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 50px 0 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 359px) {
            .brand-main {
                font-size: 16px;
            }
            .brand-sub {
                display: none;
            }
            .hero-title {
                font-size: 27px;
            }
            .pick-row {
                grid-template-columns: 1fr;
            }
            .pick-cover {
                width: 100%;
                height: 180px;
            }
            .pick-enter {
                grid-column: auto;
            }
        }

/* roulang page: article */
:root {
            --purple: #6C3EF5;
            --magenta: #FF2E88;
            --amber: #FFB020;
            --ink: #1E1B2A;
            --muted: #6B6776;
            --bg: #F7F5FB;
            --card: #FFFFFF;
            --line: #ECE7F6;
            --deep: #15102B;
            --gradient: linear-gradient(135deg, #6C3EF5 0%, #FF2E88 100%);
            --radius-lg: 24px;
            --radius-card: 24px;
            --radius-btn: 999px;
            --shadow-card: 0 10px 30px rgba(30, 15, 70, .08);
            --shadow-hover: 0 18px 42px rgba(30, 15, 70, .16);
            --container: 1200px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            outline-color: var(--purple);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: inline-block;
        }

        a {
            color: var(--purple);
            text-decoration: none;
        }

        button, input, textarea, select {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
            background: rgba(255, 255, 255, .93);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(108, 62, 245, .1);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(255, 255, 255, .97);
            box-shadow: 0 6px 26px rgba(30, 20, 70, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
            gap: 12px;
            min-height: 40px;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 42px;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            background: var(--gradient);
            box-shadow: 0 6px 18px rgba(108, 62, 245, .35);
        }

        .brand-text {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            line-height: 1.15;
        }

        .brand-main {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--ink);
        }

        .brand-sub {
            font-size: 11px;
            font-weight: 500;
            letter-spacing: .6px;
            color: var(--muted);
            margin-top: 3px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .desktop-nav .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 15px;
            margin: 0 2px;
            font-size: 14px;
            font-weight: 700;
            color: #2C2740;
            border-radius: 999px;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease;
        }

        .desktop-nav .nav-link:hover {
            color: var(--purple);
            background: rgba(108, 62, 245, .08);
        }

        .desktop-nav .nav-link.is-active {
            color: #fff;
            background: var(--gradient);
            box-shadow: 0 8px 20px rgba(108, 62, 245, .3);
        }

        .desktop-nav .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            margin-left: 12px;
            padding: 10px 26px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            background: var(--gradient);
            box-shadow: 0 8px 22px rgba(255, 46, 136, .28);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .desktop-nav .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(108, 62, 245, .35);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border: 0;
            background: rgba(108, 62, 245, .1);
            border-radius: 14px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            margin: 0 auto;
            border-radius: 2px;
            background: var(--ink);
            transition: transform .2s ease, opacity .2s ease;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            max-height: 0;
            overflow: hidden;
            background: #fff;
            border-top: 1px solid var(--line);
            transition: max-height .35s ease;
        }

        .mobile-nav.open {
            max-height: 640px;
        }

        .mobile-nav a {
            display: flex;
            align-items: center;
            min-height: 48px;
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            border-bottom: 1px solid #F4F1FA;
        }

        .mobile-nav a:hover,
        .mobile-nav a.is-active {
            color: var(--purple);
        }

        .mobile-nav .btn-nav-mobile {
            justify-content: center;
            min-height: 48px;
            margin: 12px 24px;
            padding: 0 24px;
            color: #fff;
            border-radius: 999px;
            background: var(--gradient);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 12px 28px;
            border: 0;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
            cursor: pointer;
            box-shadow: none;
            transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
        }

        .btn-primary {
            color: #fff;
            background: var(--gradient);
            box-shadow: 0 10px 26px rgba(108, 62, 245, .28);
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(255, 46, 136, .34);
        }

        .btn-outline {
            color: var(--purple);
            background: #fff;
            border: 1.5px solid rgba(108, 62, 245, .55);
        }

        .btn-outline:hover {
            color: var(--purple);
            background: rgba(108, 62, 245, .1);
            border-color: var(--purple);
            transform: translateY(-2px);
        }

        .btn-light {
            color: var(--deep);
            background: #fff;
            box-shadow: 0 8px 22px rgba(0, 0, 0, .18);
        }

        .btn-light:hover {
            color: var(--deep);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(0, 0, 0, .22);
        }

        .btn-lg {
            min-height: 56px;
            padding: 16px 40px;
            font-size: 17px;
        }

        .article-hero {
            position: relative;
            padding: 82px 0 136px;
            overflow: hidden;
            background: var(--deep);
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: .18;
            pointer-events: none;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            width: 520px;
            height: 520px;
            right: -120px;
            bottom: -180px;
            background: radial-gradient(circle, rgba(108, 62, 245, .5), rgba(255, 46, 136, .28) 56%, rgba(255, 46, 136, 0) 78%);
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 32px;
            font-size: 14px;
            color: rgba(255, 255, 255, .58);
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, .82);
            border-bottom: 1px solid transparent;
            transition: color .2s ease, border-color .2s ease;
        }

        .article-breadcrumb a:hover {
            color: var(--amber);
            border-color: rgba(255, 176, 32, .5);
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, .38);
        }

        .article-breadcrumb .breadcrumb-now {
            max-width: 440px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-inner-title {
            max-width: 860px;
        }

        .article-title {
            margin: 0 0 26px;
            font-size: clamp(30px, 4vw, 44px);
            line-height: 1.35;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-shadow: 0 6px 30px rgba(0, 0, 0, .4);
            word-break: break-word;
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 22px;
            color: rgba(255, 255, 255, .72);
        }

        .meta-cat {
            display: inline-flex;
            align-items: center;
            min-height: 34px;
            padding: 0 18px;
            border-radius: 999px;
            background: rgba(255, 176, 32, .16);
            border: 1px solid rgba(255, 176, 32, .4);
            color: #FFCE85;
            font-size: 13px;
            font-weight: 700;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .meta-item i {
            color: var(--amber);
            font-size: 15px;
        }

        .article-body-section {
            position: relative;
            z-index: 8;
        }

        .article-body-card {
            max-width: 980px;
            margin: -72px auto 0;
            background: #fff;
            border-radius: 32px;
            box-shadow: 0 18px 60px rgba(30, 15, 70, .12);
            padding: clamp(28px, 5vw, 64px);
        }

        .article-attribution {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 20px;
            padding-bottom: 28px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--line);
            font-size: 14px;
            color: var(--muted);
        }

        .attribution-source {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .attribution-source .check-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            color: #fff;
            background: var(--gradient);
            font-size: 11px;
        }

        .article-copy {
            font-size: 17px;
            line-height: 1.9;
            color: #2D2937;
            word-break: break-word;
        }

        .article-copy p {
            margin: 0 0 1.7em;
        }

        .article-copy h2 {
            margin: 2.1em 0 .8em;
            font-size: 26px;
            font-weight: 800;
            line-height: 1.45;
            color: var(--ink);
        }

        .article-copy h3 {
            margin: 1.8em 0 .65em;
            font-size: 21px;
            font-weight: 800;
            line-height: 1.5;
            color: var(--ink);
        }

        .article-copy h4 {
            margin: 1.6em 0 .5em;
            font-size: 19px;
            font-weight: 800;
            color: var(--ink);
        }

        .article-copy ul,
        .article-copy ol {
            margin: 0 0 1.8em;
            padding-left: 1.5em;
        }

        .article-copy li {
            margin-bottom: .55em;
        }

        .article-copy li::marker {
            color: var(--purple);
        }

        .article-copy img {
            width: auto;
            max-width: 100%;
            border-radius: 20px;
            margin: 1.6rem 0;
            box-shadow: 0 8px 24px rgba(30, 15, 70, .1);
        }

        .article-copy blockquote {
            margin: 1.8rem 0;
            padding: 20px 24px 20px 26px;
            position: relative;
            background: #F8F6FE;
            border-radius: 0 20px 20px 0;
            border: 0;
            color: #4A435A;
        }

        .article-copy blockquote::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            border-radius: 4px;
            background: var(--gradient);
        }

        .article-copy blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-copy a {
            color: var(--purple);
            font-weight: 600;
            border-bottom: 1px solid rgba(108, 62, 245, .35);
            transition: color .2s ease, border-color .2s ease;
        }

        .article-copy a:hover {
            color: var(--magenta);
            border-color: var(--magenta);
        }

        .article-copy strong {
            font-weight: 800;
            color: #221E2F;
        }

        .article-copy table {
            width: 100%;
            margin: 1.6rem 0;
            border-collapse: separate;
            border-spacing: 0;
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
        }

        .article-copy th,
        .article-copy td {
            padding: 12px 16px;
            border-right: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            text-align: left;
        }

        .article-copy th:last-child,
        .article-copy td:last-child {
            border-right: 0;
        }

        .article-copy tr:last-child td {
            border-bottom: 0;
        }

        .article-copy th {
            background: #F7F4FD;
            font-weight: 800;
            color: var(--ink);
        }

        .article-copy hr {
            margin: 2rem 0;
            border: 0;
            height: 1px;
            background: var(--line);
        }

        .empty-notice {
            padding: 44px 28px 60px;
            text-align: center;
            border-radius: 26px;
            background: #FDFCFF;
            border: 1px dashed #DCCFEE;
        }

        .empty-notice .empty-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            margin-bottom: 20px;
            font-size: 28px;
            border-radius: 50%;
            background: rgba(108, 62, 245, .12);
            color: var(--purple);
        }

        .empty-notice h2 {
            margin: 0 0 12px;
            font-size: 28px;
            font-weight: 800;
        }

        .empty-notice p {
            margin: 0 auto 28px;
            max-width: 440px;
            color: var(--muted);
        }

        .article-end-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 48px;
            padding-top: 34px;
            border-top: 1px solid var(--line);
        }

        .article-end-actions .end-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--purple);
        }

        .article-end-actions .end-link:hover {
            color: var(--magenta);
        }

        .article-end-actions .cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-section {
            padding-top: 96px;
        }

        .section-title {
            margin: 0 0 12px;
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--ink);
        }

        .section-desc {
            margin: 0 0 36px;
            color: var(--muted);
            font-size: 16px;
        }

        .reco-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .reco-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .reco-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108, 62, 245, .35);
        }

        .reco-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #EFEAF8;
        }

        .reco-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .reco-card:hover .reco-thumb img {
            transform: scale(1.05);
        }

        .reco-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            min-height: 28px;
            padding: 0 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .92);
            color: var(--purple);
            font-size: 12px;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
        }

        .reco-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 22px 24px 26px;
        }

        .reco-body h3 {
            margin: 0 0 10px;
            font-size: 19px;
            font-weight: 800;
            line-height: 1.45;
            color: var(--ink);
        }

        .reco-body p {
            margin: 0 0 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .reco-more {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--purple);
        }

        .reco-more i {
            transition: transform .2s ease;
        }

        .reco-card:hover .reco-more i {
            transform: translateX(4px);
        }

        .article-page-cta {
            position: relative;
            margin-top: 90px;
            padding: 78px 24px;
            border-radius: 32px;
            overflow: hidden;
            text-align: center;
            background: var(--deep);
            color: #fff;
        }

        .article-page-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: .22;
        }

        .article-page-cta::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            left: 50%;
            top: -240px;
            transform: translateX(-50%);
            background: radial-gradient(circle, rgba(108, 62, 245, .55), rgba(255, 46, 136, .3) 48%, rgba(0, 0, 0, 0) 75%);
        }

        .article-page-cta .cta-inner {
            position: relative;
            z-index: 2;
        }

        .article-page-cta h2 {
            margin: 0 0 16px;
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 800;
            letter-spacing: -0.2px;
        }

        .article-page-cta p {
            margin: 0 auto 32px;
            max-width: 560px;
            color: rgba(255, 255, 255, .72);
            font-size: 16px;
        }

        .site-footer {
            margin-top: 100px;
            background: var(--deep);
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
            border-top: 2px solid rgba(255, 176, 32, .25);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-top: 70px;
            padding-bottom: 42px;
        }

        .footer-col .brand {
            margin-bottom: 18px;
        }

        .footer-col .brand-main {
            color: #fff;
        }

        .footer-col .brand-sub {
            color: rgba(255, 255, 255, .55);
        }

        .footer-brand-desc {
            margin: 0 0 24px;
            max-width: 320px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .58);
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            color: #fff;
            background: rgba(255, 255, 255, .12);
            transition: background .2s ease, transform .2s ease, color .2s ease;
        }

        .footer-social a:hover {
            background: var(--gradient);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-title {
            margin: 4px 0 20px;
            font-size: 17px;
            font-weight: 800;
            color: #fff;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            color: rgba(255, 255, 255, .62);
            transition: color .2s ease, transform .2s ease;
        }

        .footer-links a:hover {
            color: var(--amber);
            transform: translateX(3px);
        }

        .footer-note {
            margin: 0 0 10px;
            font-size: 13px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .55);
        }

        .footer-bottom {
            position: relative;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, .1);
            text-align: center;
            color: rgba(255, 255, 255, .45);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .7);
            border-bottom: 1px solid rgba(255, 255, 255, .25);
        }

        .footer-bottom a:hover {
            color: var(--amber);
            border-color: var(--amber);
        }

        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .mobile-nav {
                display: block;
            }

            .reco-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 860px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .article-hero {
                padding: 64px 0 120px;
            }

            .article-title {
                font-size: 32px;
            }

            .article-body-card {
                margin-top: -46px;
                padding: 30px 24px;
            }

            .reco-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 28px;
            }
        }

        @media (max-width: 560px) {
            .header-inner {
                min-height: 68px;
            }

            .brand-main {
                font-size: 18px;
            }

            .brand-sub {
                font-size: 10px;
            }

            .article-hero {
                padding: 52px 0 100px;
            }

            .article-title {
                font-size: 27px;
                line-height: 1.4;
                margin-bottom: 22px;
            }

            .article-meta-line {
                gap: 10px 14px;
            }

            .meta-item {
                font-size: 13px;
            }

            .article-body-card {
                margin-top: -30px;
                padding: 24px 18px;
                border-radius: 24px;
            }

            .article-copy {
                font-size: 16px;
            }

            .article-copy h2 {
                font-size: 22px;
            }

            .article-copy h3 {
                font-size: 19px;
            }

            .reco-grid {
                grid-template-columns: 1fr;
            }

            .article-end-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .article-end-actions .cta-group {
                width: 100%;
            }

            .article-end-actions .btn {
                flex: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding-top: 52px;
                gap: 28px;
            }

            .article-page-cta {
                padding: 50px 18px;
                border-radius: 24px;
            }

            .article-page-cta .btn-lg {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --purple: #6C3EF5;
            --magenta: #FF2E88;
            --amber: #FFB020;
            --dark: #15102B;
            --bg: #F7F5FB;
            --card: #FFFFFF;
            --text: #1E1B2A;
            --text-weak: #6B6776;
            --border: #ECE7F6;
            --gradient-main: linear-gradient(135deg, #6C3EF5 0%, #FF2E88 100%);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 6px 20px rgba(30, 15, 70, 0.06);
            --shadow-md: 0 10px 30px rgba(30, 15, 70, 0.08);
            --shadow-hover: 0 18px 50px rgba(74, 35, 160, 0.16);
            --container: 1200px;
            --nav-height: 76px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
            border: 0;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            min-height: var(--nav-height);
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 8px 30px rgba(30, 15, 70, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            min-height: 40px;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 14px;
            background: var(--gradient-main);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            box-shadow: 0 8px 20px rgba(108, 62, 245, 0.28);
            flex: 0 0 auto;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-main {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text);
        }

        .brand-sub {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.08em;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: #3E3A4C;
            padding: 10px 2px;
            position: relative;
            border-radius: 8px;
            transition: color .25s ease, transform .25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 4px;
            border-radius: 4px;
            background: var(--amber);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .25s ease;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--purple);
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.is-active::after {
            transform: scaleX(1);
        }

        .nav-link.is-active {
            background: transparent;
            color: var(--purple);
            font-weight: 800;
        }

        .btn-nav {
            background: var(--gradient-main);
            color: #fff !important;
            border-radius: var(--radius-pill);
            padding: 11px 24px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.2;
            box-shadow: 0 8px 22px rgba(255, 46, 136, 0.22);
            transition: transform .25s ease, box-shadow .25s ease;
            white-space: nowrap;
        }

        .btn-nav:hover,
        .btn-nav:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(108, 62, 245, 0.3);
        }

        .btn-nav:active {
            transform: translateY(0);
        }

        .nav-toggle {
            width: 44px;
            height: 44px;
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            border-radius: 12px;
            cursor: pointer;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.7);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: transform .25s ease, opacity .25s ease;
        }

        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 10px 0 22px;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height .35s ease, opacity .3s ease;
        }

        .mobile-nav.is-open {
            display: block;
            max-height: 520px;
            opacity: 1;
        }

        .mobile-nav a {
            display: block;
            padding: 13px 24px;
            font-weight: 600;
            color: var(--text);
            border-radius: 0;
        }

        .mobile-nav .btn-nav-mobile {
            background: var(--gradient-main);
            color: #fff;
            margin: 14px 24px 4px;
            padding: 13px 18px;
            text-align: center;
            border-radius: var(--radius-pill);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
        }

        .btn-primary {
            background: var(--gradient-main);
            color: #fff;
            box-shadow: 0 10px 28px rgba(255, 46, 136, 0.22);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            transform: translateY(-3px);
            box-shadow: 0 16px 36px rgba(108, 62, 245, 0.32);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.65);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
            border-color: #fff;
        }

        /* MAIN */
        .page-main {
            overflow: hidden;
        }

        .section {
            padding: 90px 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 44px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 62, 245, 0.08);
            color: var(--purple);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.1em;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-head h2,
        .section-head h3 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-weak);
            margin-top: 12px;
        }

        /* CATEGORY 1 HERO */
        .cat-hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: var(--dark);
            overflow: hidden;
            padding: 90px 0 110px;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
            opacity: 0.2;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(255, 46, 136, 0.55) 0%, rgba(108, 62, 245, 0.15) 60%, transparent 70%);
            pointer-events: none;
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }

        .breadcrumbs a:hover {
            color: #fff;
        }

        .crumb-sep {
            opacity: 0.5;
        }

        .cat-hero h1 {
            font-size: 46px;
            line-height: 1.18;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            max-width: 680px;
            margin-bottom: 22px;
        }

        .cat-hero h1 em {
            font-style: normal;
            background: linear-gradient(100deg, #FF9A46 0%, #FF5CA8 50%, #C86BFF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cat-hero-desc {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            line-height: 1.9;
            max-width: 640px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 34px;
        }

        .cert-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
        }

        .cert-line li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
        }

        .cert-line li i {
            width: 22px;
            height: 22px;
            background: rgba(255, 176, 32, 0.18);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--amber);
            font-size: 11px;
        }

        /* COLLAGE */
        .category-collage {
            position: relative;
        }

        .collage-grid {
            display: grid;
            grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.35fr);
            gap: 40px;
            align-items: stretch;
        }

        .collage-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 520px;
            box-shadow: var(--shadow-md);
            background: var(--dark);
        }

        .collage-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .collage-media-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(21, 16, 43, 0) 35%, rgba(21, 16, 43, 0.72) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 30px;
            color: #fff;
        }

        .collage-media-overlay .overlay-icon {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: var(--gradient-main);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 18px;
            box-shadow: 0 12px 30px rgba(108, 62, 245, 0.35);
        }

        .collage-media-overlay h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .collage-media-overlay p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }

        .classify-list-wrap {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .classify-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 22px;
        }

        .classify-head h3 {
            font-size: 19px;
            font-weight: 800;
        }

        .classify-head span {
            font-size: 13px;
            color: var(--text-weak);
        }

        .classify-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .classify-item {
            background: #F9F7FD;
            border: 1px solid #F1ECF8;
            border-radius: var(--radius-md);
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-height: 126px;
            position: relative;
            overflow: hidden;
            transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

        .classify-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--gradient-main);
            opacity: 0;
            transition: opacity .25s ease;
        }

        .classify-item:hover,
        .classify-item:focus-visible {
            border-color: transparent;
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: linear-gradient(135deg, rgba(108, 62, 245, 0.06) 0%, rgba(255, 46, 136, 0.06) 100%), #fff;
        }

        .classify-item:hover::before {
            opacity: 1;
        }

        .classify-item-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .classify-ico {
            width: 36px;
            height: 36px;
            background: var(--gradient-main);
            color: #fff;
            border-radius: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 6px 16px rgba(108, 62, 245, 0.2);
        }

        .classify-badge {
            font-size: 11px;
            font-weight: 700;
            color: #B77A00;
            background: rgba(255, 176, 32, 0.16);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
        }

        .classify-title {
            font-size: 16px;
            font-weight: 800;
            margin-top: 10px;
        }

        .classify-desc {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        .classify-count {
            position: absolute;
            right: 14px;
            bottom: 12px;
            font-size: 12px;
            color: var(--purple);
            font-weight: 700;
        }

        /* TREND KEYWORDS */
        .trend-keywords {
            background: linear-gradient(180deg, #F7F5FB 0%, #FFF9F0 100%);
            padding: 80px 0;
        }

        .trend-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 50px;
            align-items: center;
        }

        .trend-intro .section-head {
            margin-bottom: 22px;
        }

        .trend-intro p {
            color: var(--text-weak);
            font-size: 15px;
        }

        .keyword-cloud {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 12px 16px;
        }

        .keyword-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #494556;
            box-shadow: 0 4px 12px rgba(30, 15, 70, 0.04);
            transition: transform .25s ease, box-shadow .25s ease, color .25s ease;
        }

        .keyword-chip:hover,
        .keyword-chip:focus-visible {
            background: var(--gradient-main);
            color: #fff;
            border-color: transparent;
            transform: translateY(-4px);
            box-shadow: 0 12px 26px rgba(108, 62, 245, 0.24);
        }

        .keyword-chip-size-lg {
            font-size: 20px;
            padding: 14px 26px;
            font-weight: 800;
        }

        .keyword-chip-size-md {
            font-size: 16px;
        }

        .keyword-chip i {
            font-size: 14px;
            color: var(--amber);
        }

        .keyword-chip-size-lg i {
            font-size: 18px;
        }

        /* HOT RANKING */
        .hot-ranking {
            padding: 90px 0 70px;
        }

        .rank-panel {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            padding: 10px 26px;
        }

        .rank-row {
            display: grid;
            grid-template-columns: 70px 48px 1fr 200px 120px;
            gap: 18px;
            align-items: center;
            padding: 20px 12px;
            border-bottom: 1px solid #F5F1FA;
            transition: background .25s ease;
        }

        .rank-row:last-child {
            border-bottom: 0;
        }

        .rank-row:hover {
            background: #FAF8FE;
        }

        .rank-number {
            font-size: 30px;
            font-weight: 900;
            font-style: italic;
            letter-spacing: -0.05em;
            line-height: 1;
            background: linear-gradient(180deg, #FF4B2B 0%, #FF9A00 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .rank-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: rgba(108, 62, 245, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--purple);
        }

        .rank-info {
            min-width: 0;
        }

        .rank-info h3 {
            font-size: 17px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .rank-tag {
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 176, 32, 0.16);
            border-radius: var(--radius-pill);
            padding: 3px 10px;
            color: #B77A00;
        }

        .rank-tag.tag-purple {
            background: rgba(108, 62, 245, 0.1);
            color: var(--purple);
        }

        .rank-tag.tag-green {
            background: rgba(45, 190, 114, 0.12);
            color: #1A9C60;
        }

        .rank-info p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-top: 4px;
        }

        .rank-heat {
            text-align: right;
        }

        .rank-heat strong {
            display: block;
            font-size: 18px;
            font-weight: 900;
            color: var(--dark);
        }

        .rank-heat span {
            font-size: 12px;
            color: var(--text-weak);
        }

        .rank-btn {
            background: var(--gradient-main);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            border-radius: var(--radius-pill);
            padding: 0 18px;
            font-size: 13px;
            font-weight: 700;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .rank-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(108, 62, 245, 0.3);
        }

        /* OFFICIAL NOTE */
        .official-note {
            padding-bottom: 0;
        }

        .note-panel {
            position: relative;
            background: var(--dark);
            border-radius: 30px;
            padding: 60px 58px;
            overflow: hidden;
            color: #fff;
        }

        .note-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-3.png") center / cover no-repeat;
            opacity: 0.2;
        }

        .note-panel::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 46, 136, 0.3), transparent 70%);
        }

        .note-panel-inner {
            position: relative;
            z-index: 2;
        }

        .note-panel h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .note-panel>p {
            max-width: 720px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 34px;
        }

        .note-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .note-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: background .25s ease, border-color .25s ease, transform .25s ease;
        }

        .note-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 176, 32, 0.4);
            transform: translateY(-4px);
        }

        .note-item i {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: rgba(255, 176, 32, 0.16);
            color: var(--amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 15px;
        }

        .note-item h3 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .note-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: linear-gradient(0deg, #F2EEFA 0%, #F7F5FB 100%);
        }

        .faq-container {
            max-width: 920px;
        }

        .faq-section .section-head {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .accordion {
            background: transparent;
            margin: 0;
            padding: 0;
        }

        .custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            padding: 0;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(30, 15, 70, 0.04);
            transition: box-shadow .25s ease;
        }

        .custom-accordion .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }

        .custom-accordion .accordion-item.is-active {
            border-color: rgba(108, 62, 245, 0.35);
        }

        .custom-accordion .accordion-title {
            background: #fff;
            border: 0;
            color: var(--text);
            font-size: 16px;
            font-weight: 700;
            padding: 20px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            line-height: 1.5;
            border-radius: 0;
            transition: background .2s ease;
        }

        .custom-accordion .accordion-title:hover {
            background: #FAF8FE;
            color: var(--purple);
        }

        .custom-accordion .accordion-title::before {
            display: none !important;
        }

        .custom-accordion .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 15px;
            color: var(--purple);
            width: 34px;
            height: 34px;
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(108, 62, 245, 0.08);
            transition: transform .25s ease, background .25s ease;
        }

        .custom-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            background: var(--gradient-main);
            color: #fff;
        }

        .custom-accordion .accordion-content {
            border-top: 1px solid #F2EEF9;
            background: #fff;
            padding: 0 22px 22px;
            color: var(--text-weak);
            line-height: 1.9;
            font-size: 15px;
        }

        .custom-accordion .accordion-content[aria-hidden="false"] {
            padding-top: 18px;
        }

        .custom-accordion .accent-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--purple);
            font-weight: 700;
            font-size: 13px;
            margin-top: 12px;
        }

        .custom-accordion .accent-link:hover {
            text-decoration: underline;
        }

        /* FINAL CTA */
        .final-cta {
            padding: 80px 0 90px;
            text-align: center;
        }

        .final-cta-icon {
            width: 74px;
            height: 74px;
            margin: 0 auto 24px;
            border-radius: 24px;
            background: var(--gradient-main);
            color: #fff;
            font-size: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 16px 40px rgba(108, 62, 245, 0.24);
        }

        .final-cta h2 {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .final-cta p {
            max-width: 620px;
            margin: 0 auto 36px;
            color: var(--text-weak);
            line-height: 1.9;
        }

        .final-cta .btn {
            min-height: 56px;
            padding: 0 42px;
            font-size: 16px;
        }

        .final-cta .cta-note {
            max-width: 680px;
            margin: 18px auto 0;
            font-size: 12px;
            color: #A8A4B2;
            line-height: 1.8;
        }

        /* FOOTER */
        .site-footer {
            background: #181329;
            color: #fff;
            padding-top: 70px;
            border-top: 4px solid rgba(255, 176, 32, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 44px;
            padding-bottom: 44px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand .brand-mark {
            box-shadow: none;
        }

        .footer-brand .brand-main {
            color: #fff;
        }

        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.9;
            max-width: 360px;
            margin-top: 4px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .25s ease, color .25s ease, transform .25s ease;
        }

        .footer-social a:hover {
            background: var(--amber);
            color: #181329;
            transform: translateY(-3px);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: var(--amber);
            padding-left: 4px;
        }

        .footer-col .footer-note {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            line-height: 1.9;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-weight: 500;
        }

        .footer-bottom a:hover {
            color: var(--amber);
        }

        /* FOUNDATION OVERRIDES */
        .accordion-title,
        .accordion-content,
        .accordion-item {
            color: inherit;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero-actions {
                align-items: stretch;
            }

            .collage-grid {
                grid-template-columns: 1fr;
            }

            .collage-media {
                min-height: 400px;
            }

            .note-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px 30px;
            }

            .rank-row {
                grid-template-columns: 60px 48px 1fr 100px;
            }

            .rank-btn {
                grid-column: 4;
                width: max-content;
                justify-self: end;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .cat-hero {
                padding: 60px 0 80px;
                min-height: 480px;
            }

            .cat-hero h1 {
                font-size: 34px;
            }

            .section-head h2,
            .note-panel h2 {
                font-size: 26px;
            }

            .collage-media {
                min-height: 350px;
            }

            .classify-list-wrap {
                padding: 20px;
            }

            .classify-grid {
                grid-template-columns: 1fr 1fr;
            }

            .trend-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .note-panel {
                padding: 40px 28px;
            }

            .note-grid {
                grid-template-columns: 1fr;
            }

            .rank-panel {
                padding: 8px 14px;
            }

            .rank-row {
                grid-template-columns: 44px 42px 1fr;
                gap: 12px;
                padding: 18px 8px;
            }

            .rank-number {
                font-size: 24px;
            }

            .rank-heat {
                grid-column: 1 / 3;
                text-align: right;
                padding-left: 32px;
            }

            .rank-btn {
                grid-column: 3;
                justify-self: end;
            }

            .final-cta h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .header-inner {
                padding-left: 12px;
                padding-right: 12px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 19px;
            }

            .brand-main {
                font-size: 17px;
            }

            .brand-sub {
                font-size: 10px;
            }

            .cat-hero h1 {
                font-size: 29px;
            }

            .cat-hero-desc {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .classify-grid {
                grid-template-columns: 1fr;
            }

            .collage-media {
                min-height: 280px;
                border-radius: 18px;
            }

            .collage-media-overlay {
                padding: 20px;
            }

            .collage-media-overlay .overlay-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
            }

            .rank-row {
                grid-template-columns: 40px 38px 1fr;
                gap: 8px;
            }

            .rank-info h3 {
                font-size: 15px;
            }

            .rank-info p {
                font-size: 12px;
            }

            .final-cta .btn {
                min-height: 54px;
                padding: 0 30px;
                font-size: 15px;
                width: 100%;
                max-width: 360px;
                margin: 0 auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .custom-accordion .accordion-title {
                font-size: 14px;
                padding: 16px 16px;
            }

            .custom-accordion .accordion-content {
                padding-left: 16px;
                padding-right: 16px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #6C3EF5;
            --primary-dark: #5A2CE0;
            --accent: #FF2E88;
            --amber: #FFB020;
            --dark: #15102B;
            --bg: #F7F5FB;
            --card: #FFFFFF;
            --text: #1E1B2A;
            --text-weak: #6B6776;
            --border: #ECE7F6;
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-pill: 999px;
            --shadow: 0 10px 30px rgba(30, 15, 70, .08);
            --shadow-hover: 0 18px 40px rgba(30, 15, 70, .14);
            --gradient: linear-gradient(135deg, #6C3EF5 0%, #FF2E88 100%);
            --section-space: 90px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            background: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all .25s ease;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(108, 62, 245, .4);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 245, 251, .92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: background .3s, box-shadow .3s;
        }
        .site-header.is-scrolled {
            background: rgba(255, 255, 255, .95);
            box-shadow: 0 8px 30px rgba(30, 15, 70, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            box-shadow: 0 6px 16px rgba(108, 62, 245, .35);
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-main {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text);
        }
        .brand-sub {
            font-size: 10px;
            color: var(--text-weak);
            letter-spacing: .4px;
            white-space: nowrap;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            position: relative;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.is-active {
            background: var(--gradient);
            color: #fff;
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(255, 46, 136, .25);
        }
        .nav-link.is-active:hover {
            color: #fff;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-pill);
            background: var(--gradient);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-left: 8px;
            box-shadow: 0 8px 20px rgba(255, 46, 136, .18);
            transition: transform .25s, box-shadow .25s;
        }
        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(255, 46, 136, .25);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 0;
            border-radius: 8px;
            cursor: pointer;
            padding: 10px;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            border-radius: 4px;
            background: var(--text);
            transition: all .3s;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            padding: 16px 24px 24px;
            background: #fff;
            border-bottom: 1px solid var(--border);
            gap: 6px;
        }
        .mobile-nav a {
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
        }
        .mobile-nav a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .mobile-nav a.is-active {
            background: var(--gradient);
            color: #fff;
            font-weight: 700;
        }
        .btn-nav-mobile {
            text-align: center;
            min-height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 8px;
            background: var(--gradient);
            color: #fff;
            border-radius: var(--radius-pill);
            font-weight: 700;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 52px;
            padding: 0 34px;
            border: 0;
            border-radius: var(--radius-pill);
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(255, 46, 136, .2);
            transition: transform .25s, box-shadow .25s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 32px rgba(255, 46, 136, .3);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 52px;
            padding: 0 30px;
            border: 2px solid var(--primary);
            border-radius: var(--radius-pill);
            background: transparent;
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background .25s, transform .25s;
        }
        .btn-secondary:hover {
            background: rgba(108, 62, 245, .08);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-large {
            min-height: 60px;
            padding: 0 46px;
            font-size: 18px;
        }
        .btn-mid {
            min-height: 44px;
            padding: 0 22px;
            font-size: 14px;
        }

        /* Section spacing */
        .section-pad {
            padding: var(--section-space) 0;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.9;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Hero ===== */
        .category3-hero {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 110px 0 100px;
        }
        .category3-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .32;
        }
        .category3-hero .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(21, 16, 43, .98) 0%, rgba(21, 16, 43, .88) 45%, rgba(21, 16, 43, .55) 100%);
        }
        .category3-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 176, 32, .12);
            border: 1px solid rgba(255, 176, 32, .35);
            color: #FFB020;
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 22px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .category3-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            max-width: 700px;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }
        .category3-hero h1 span {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-lead {
            font-size: 17px;
            color: rgba(255, 255, 255, .7);
            max-width: 620px;
            line-height: 1.9;
            margin-bottom: 32px;
        }
        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero-notes {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 36px;
        }
        .hero-note {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
        }
        .hero-note i {
            color: var(--amber);
            font-size: 14px;
        }

        /* ===== Security panel ===== */
        .security-panel-wrap {
            margin-top: -56px;
            z-index: 3;
            position: relative;
            padding-bottom: 20px;
        }
        .security-panel {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }
        .security-shield {
            background: var(--dark);
            border-radius: 24px;
            padding: 36px;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .security-shield::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            right: -60px;
            top: -60px;
            border-radius: 50%;
            background: rgba(108, 62, 245, .25);
            filter: blur(40px);
        }
        .shield-icon {
            width: 88px;
            height: 88px;
            border-radius: 50%;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, #FFB020, #FFD980);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: var(--dark);
            box-shadow: 0 0 0 10px rgba(255, 176, 32, .15);
        }
        .security-shield h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .security-shield p {
            color: rgba(255, 255, 255, .6);
            margin-bottom: 20px;
        }
        .shield-stats {
            display: flex;
            justify-content: center;
            gap: 28px;
            margin-top: 12px;
        }
        .shield-stat {
            text-align: center;
        }
        .shield-stat b {
            display: block;
            font-size: 26px;
            font-weight: 800;
            background: linear-gradient(135deg, #FFB020, #ffdc8a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .shield-stat span {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
        }
        .security-info h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .security-info>p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }
        .security-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .security-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 18px;
            border-radius: 16px;
            background: var(--bg);
            border: 1px solid transparent;
            transition: all .3s;
        }
        .security-item:hover {
            border-color: var(--border);
            background: #fff;
        }
        .security-item i {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 4px;
        }
        .security-item b {
            display: block;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .security-item p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-card {
            background: var(--card);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border);
            transition: all .3s;
            cursor: pointer;
        }
        .faq-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: rgba(108, 62, 245, .3);
        }
        .faq-q {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            font-weight: 700;
            font-size: 17px;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .faq-q .q-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(108, 62, 245, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 800;
        }
        .faq-minus {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            font-weight: 700;
        }
        .faq-item-body {
            padding-left: 44px;
            margin-top: -10px;
            display: none;
            padding-bottom: 0;
        }
        .faq-card.is-open .faq-item-body {
            display: block;
            animation: fadeIn .35s ease;
        }
        .faq-item-body p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .faq-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            margin-top: 4px;
        }
        .faq-link:hover {
            color: var(--accent);
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 常见场景 ===== */
        .scene-section {
            background: var(--dark);
            color: #fff;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .scene-section::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(108, 62, 245, .35), transparent 70%);
            border-radius: 50%;
        }
        .scene-section .container {
            position: relative;
            z-index: 2;
        }
        .scene-section .section-title {
            color: #fff;
        }
        .scene-section .section-sub {
            color: rgba(255, 255, 255, .5);
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .scene-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 22px;
            padding: 34px 28px;
            transition: all .35s;
        }
        .scene-card:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-6px);
            border-color: rgba(255, 176, 32, .3);
        }
        .scene-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }
        .scene-icon.amber {
            background: linear-gradient(135deg, #FFB020, #FFD980);
            color: var(--dark);
        }
        .scene-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scene-card p {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== Protocol / 流程 ===== */
        .protocol-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 44px;
        }
        .protocol-step {
            background: var(--card);
            border-radius: 20px;
            padding: 26px;
            position: relative;
            border: 1px solid var(--border);
            transition: all .3s;
        }
        .protocol-step:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .step-num {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            margin-bottom: 14px;
        }
        .protocol-step h4 {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 8px;
        }
        .protocol-step p {
            color: var(--text-weak);
            font-size: 13px;
            line-height: 1.7;
        }

        /* ===== Notice ===== */
        .notice-band {
            background: rgba(255, 176, 32, .08);
            border: 1px solid rgba(255, 176, 32, .3);
            border-radius: 20px;
            padding: 24px 30px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            margin-top: 32px;
        }
        .notice-band i {
            color: var(--amber);
            font-size: 22px;
            margin-top: 4px;
        }
        .notice-band p {
            color: var(--text);
            font-size: 15px;
        }

        /* ===== CTA ===== */
        .bottom-cta {
            background: var(--bg);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
        }
        .bottom-cta .cta-inner {
            background: var(--dark);
            border-radius: 28px;
            padding: 68px 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-inner::before {
            content: "";
            position: absolute;
            right: -140px;
            top: -140px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 46, 136, .35), transparent 70%);
        }
        .cta-inner::after {
            content: "";
            position: absolute;
            left: -100px;
            bottom: -160px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 62, 245, .3), transparent 70%);
        }
        .cta-inner .container {
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .6);
            font-size: 16px;
            margin-bottom: 30px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-note {
            display: block;
            margin-top: 16px;
            color: rgba(255, 255, 255, .4);
            font-size: 13px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            padding-top: 70px;
            color: rgba(255, 255, 255, .7);
            border-top: 3px solid rgba(255, 176, 32, .3);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 50px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
        }
        .footer-brand .brand-main {
            color: #fff;
        }
        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, .5);
        }
        .footer-brand-desc {
            color: rgba(255, 255, 255, .5);
            font-size: 14px;
            line-height: 1.9;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--gradient);
            border-radius: 4px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: all .25s;
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--amber);
            padding-left: 6px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 4px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .65);
            font-size: 16px;
        }
        .footer-social a:hover {
            background: var(--gradient);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-note {
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
            line-height: 1.8;
        }
        .footer-col p.footer-note {
            margin-top: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .3);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom a:hover {
            color: var(--amber);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            :root {
                --section-space: 64px;
            }
            .desktop-nav {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }
            .btn-nav {
                padding: 0 16px;
                font-size: 13px;
            }
            .security-panel {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .protocol-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media screen and (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav.is-open {
                display: flex;
            }
            .category3-hero {
                padding: 72px 0 90px;
            }
            .category3-hero h1 {
                font-size: 32px;
                line-height: 1.35;
            }
            .section-title {
                font-size: 26px;
                line-height: 1.4;
            }
            .section-sub {
                font-size: 15px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .protocol-steps {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .security-panel {
                padding: 20px;
                margin-top: -40px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding-bottom: 30px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .bottom-cta .cta-inner {
                padding: 48px 24px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                height: 68px;
            }
            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 20px;
                border-radius: 12px;
            }
            .brand-main {
                font-size: 17px;
            }
            .brand-sub {
                display: none;
            }
            .category3-hero h1 {
                font-size: 28px;
            }
            .security-item {
                padding: 12px 14px;
            }
            .security-shield {
                padding: 26px 18px;
            }
            .shield-stats {
                gap: 18px;
            }
            .hero-cta .btn-primary,
            .hero-cta .btn-secondary {
                width: 100%;
            }
            .faq-card {
                padding: 22px 18px;
            }
            .faq-q {
                font-size: 15px;
            }
            .faq-item-body {
                padding-left: 0;
            }
            .btn-large {
                width: 100%;
                padding: 0 24px;
                font-size: 15px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 18px 0;
            }
        }

/* roulang page: category2 */
:root {
  --purple: #6C3EF5;
  --magenta: #FF2E88;
  --amber: #FFB020;
  --dark: #15102B;
  --anthracite: #1d1633;
  --bg: #F7F5FB;
  --card: #FFFFFF;
  --text: #1E1B2A;
  --muted: #6B6776;
  --border: #ECE7F6;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --grad: linear-gradient(135deg, #6C3EF5 0%, #FF2E88 100%);
  --shadow-sm: 0 8px 20px rgba(30, 15, 70, .06);
  --shadow-lg: 0 18px 44px rgba(30, 15, 70, .14);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-pill: 999px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.8; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 800; line-height: 1.25; color: inherit; }
p { margin: 0 0 18px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.section { padding: 90px 0; }
.section-alt { background: #FFFFFF; }
.section-soft { background: #F7F5FB; }
.section-heading { max-width: 780px; margin-bottom: 48px; }
.section-overline { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--purple); margin-bottom: 12px; }
.section-overline::before { content: ""; display: inline-block; width: 18px; height: 3px; border-radius: 3px; background: var(--grad); }
.section-heading h2 { font-size: 32px; letter-spacing: -.02em; margin: 12px 0 14px; }
.section-heading p { color: var(--muted); font-size: 16px; max-width: 680px; margin: 0; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 120; background: rgba(255,255,255,.9); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); transition: box-shadow .3s ease; }
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 14px; background: var(--grad); color: #fff; font-size: 23px; font-weight: 900; box-shadow: 0 6px 16px rgba(108,62,245,.22); }
.brand-text { display: inline-flex; flex-direction: column; line-height: 1.15; }
.brand-main { font-size: 19px; font-weight: 800; letter-spacing: .01em; color: var(--text); }
.brand-sub { font-size: 10px; letter-spacing: .08em; color: var(--muted); margin-top: 3px; }
.desktop-nav { display: flex; align-items: center; gap: 4px; }
.desktop-nav .nav-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 600; color: var(--text); transition: background .25s, color .25s, box-shadow .25s; }
.desktop-nav .nav-link:hover { color: var(--purple); background: rgba(108,62,245,.08); }
.desktop-nav .nav-link.is-active { background: var(--grad); color: #fff; box-shadow: 0 10px 22px rgba(108,62,245,.2); }
.btn-nav { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; background: var(--grad); color: #fff !important; font-weight: 700; font-size: 14px; border-radius: var(--radius-pill); box-shadow: 0 10px 24px rgba(108,62,245,.24); border: 0; cursor: pointer; margin-left: 10px; white-space: nowrap; transition: transform .25s, box-shadow .25s; }
.btn-nav:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(108,62,245,.3); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--border); background: #fff; border-radius: 14px; justify-content: center; align-items: center; gap: 5px; flex-direction: column; cursor: pointer; }
.nav-toggle span { display: block; width: 19px; height: 2px; background: var(--text); border-radius: 4px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; }
.mobile-nav.open { position: absolute; left: 0; right: 0; top: 80px; background: rgba(255,255,255,.98); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); padding: 18px 24px 28px; flex-direction: column; align-items: stretch; gap: 6px; }
.mobile-nav.open a { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 18px; border-radius: 14px; font-size: 15px; font-weight: 600; color: var(--text); }
.mobile-nav.open a:hover { background: rgba(108,62,245,.08); color: var(--purple); }
.mobile-nav.open a.is-active { background: var(--grad); color: #fff; }
.mobile-nav.open .btn-nav-mobile { margin-top: 10px; background: var(--grad); color: #fff; justify-content: center; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 26px; border-radius: var(--radius-pill); font-weight: 700; font-size: 15px; line-height: 1; border: 0; transition: transform .25s, box-shadow .25s, background .25s, border-color .25s; cursor: pointer; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 26px rgba(108,62,245,.22); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 32px rgba(108,62,245,.3); }
.btn-outline { background: #fff; color: var(--purple); border: 1.5px solid var(--purple); }
.btn-outline:hover { background: rgba(108,62,245,.08); transform: translateY(-2px); }
.btn-xl { min-height: 56px; padding: 0 38px; font-size: 17px; }
.btn-lg { min-height: 52px; padding: 0 32px; font-size: 16px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--purple); font-weight: 700; font-size: 14px; }
.link-arrow i { transition: transform .25s; }
.link-arrow:hover i { transform: translateX(4px); }

/* ---------- page hero ---------- */
.page-hero { position: relative; background: var(--dark); color: #fff; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(21,16,43,.94), rgba(76,32,128,.76) 52%, rgba(255,46,136,.24)), url('/assets/images/backpic/back-1.webp') center / cover; z-index: 0; }
.page-hero::after { content: ""; position: absolute; right: -140px; bottom: -160px; width: 520px; height: 520px; background: radial-gradient(circle, rgba(108,62,245,.42), transparent 64%); z-index: 1; }
.page-hero .container { position: relative; z-index: 2; padding-top: 68px; padding-bottom: 68px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.64); margin-bottom: 30px; }
.breadcrumb a { color: rgba(255,255,255,.78); }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb-sep { opacity: .45; }
.hero-title { font-size: 44px; letter-spacing: -.02em; color: #fff; max-width: 720px; margin-bottom: 20px; }
.hero-title .hero-highlight { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.9; max-width: 680px; margin-bottom: 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 26px; }
.btn-ghost-light { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 26px; border-radius: var(--radius-pill); color: #fff; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); font-weight: 700; font-size: 15px; }
.btn-ghost-light:hover { background: rgba(255,255,255,.2); color: var(--amber); }
.hero-note { display: flex; flex-wrap: wrap; gap: 20px; color: rgba(255,255,255,.52); font-size: 13px; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-panel { max-width: 430px; margin-left: auto; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); padding: 14px; box-shadow: 0 24px 60px rgba(0,0,0,.26); }
.hero-panel-media { border-radius: 18px; overflow: hidden; position: relative; }
.hero-panel-media img { width: 100%; height: 260px; object-fit: cover; }
.hero-panel-tag { position: absolute; left: 12px; top: 12px; display: inline-flex; align-items: center; gap: 6px; background: rgba(21,16,43,.75); backdrop-filter: blur(8px); color: #fff; border-radius: var(--radius-pill); font-size: 12px; padding: 6px 12px; }
.hero-panel-tag i { color: var(--amber); }
.hero-panel-list { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 14px; }
.hero-panel-item { text-align: left; padding: 12px 10px; border-radius: 14px; background: rgba(255,255,255,.08); }
.hero-panel-item i { display: block; color: var(--amber); margin-bottom: 6px; }
.hero-panel-item strong { display: block; font-size: 13px; color: #fff; line-height: 1.5; }

/* ---------- prelude section ---------- */
.prelude-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 46px; align-items: center; }
.prelude-copy .lead { font-size: 17px; color: var(--muted); margin-bottom: 24px; }
.check-list { display: grid; gap: 16px; }
.check-list li { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 18px 20px; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; }
.check-list li:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.check-list .check-icon { width: 42px; height: 42px; border-radius: 14px; background: rgba(108,62,245,.1); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; flex: 0 0 auto; }
.check-list strong { display: block; font-size: 16px; margin-bottom: 3px; }
.check-list p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.7; }
.prelude-visual { position: relative; }
.prelude-visual img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; min-height: 420px; box-shadow: var(--shadow-lg); }
.prelude-visual-caption { position: absolute; left: 18px; right: 18px; bottom: 18px; background: rgba(21,16,43,.82); backdrop-filter: blur(10px); border-radius: 16px; color: #fff; font-size: 14px; padding: 12px 16px; display: flex; align-items: center; gap: 10px; }
.prelude-visual-caption i { color: var(--amber); }

/* ---------- timeline steps ---------- */
.timeline-section { background: #fff; }
.timeline-steps { position: relative; margin-top: 56px; }
.timeline-steps::before { content: ""; position: absolute; left: 50%; top: 4px; bottom: 4px; width: 4px; background: var(--grad); opacity: .16; transform: translateX(-50%); border-radius: 6px; }
.timeline-block { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 56px; margin-bottom: 60px; position: relative; }
.timeline-block:last-child { margin-bottom: 0; }
.timeline-block.reverse .step-media { order: -1; }
.step-copy { padding: 30px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: box-shadow .3s, transform .3s; }
.timeline-block:hover .step-copy { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.step-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.step-no { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 800; font-size: 16px; box-shadow: 0 8px 18px rgba(108,62,245,.22); }
.step-label { display: inline-block; background: rgba(255,176,32,.15); color: #9a6500; border-radius: var(--radius-pill); padding: 4px 12px; font-size: 13px; font-weight: 700; }
.step-copy h3 { font-size: 21px; letter-spacing: -.02em; margin-bottom: 10px; }
.step-copy p { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.step-copy ul { display: grid; gap: 8px; margin: 0 0 20px; }
.step-copy ul li { position: relative; padding-left: 20px; font-size: 14px; color: var(--text); }
.step-copy ul li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 12px; position: absolute; left: 0; top: 5px; color: var(--purple); }
.step-media { position: relative; }
.step-media img { width: 100%; height: 310px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.step-media-float { position: absolute; left: 20px; bottom: 20px; display: inline-flex; align-items: center; gap: 8px; background: #fff; border-radius: var(--radius-pill); padding: 8px 16px; font-size: 13px; font-weight: 700; box-shadow: var(--shadow-lg); color: var(--text); }
.step-media-float i { color: var(--magenta); }

/* ---------- device section ---------- */
.device-section { background: var(--bg); }
.device-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 40px; }
.device-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.device-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .28s, box-shadow .28s; }
.device-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.device-card-media img { width: 100%; height: 200px; object-fit: cover; }
.device-card-body { padding: 26px; }
.device-icon { width: 46px; height: 46px; border-radius: 14px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 16px; }
.device-card h3 { font-size: 21px; margin-bottom: 8px; }
.device-card-body p { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.device-tips { display: grid; gap: 10px; }
.device-tips li { display: flex; gap: 8px; font-size: 14px; color: var(--text); align-items: flex-start; }
.device-tips li i { color: var(--amber); margin-top: 6px; }

/* ---------- safety dark band ---------- */
.safety-band { background: var(--dark); color: #fff; position: relative; overflow: hidden; }
.safety-band::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center / cover; opacity: .16; }
.safety-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 1fr; gap: 54px; align-items: center; }
.safety-overline { color: var(--amber); text-transform: uppercase; letter-spacing: .12em; font-weight: 700; font-size: 13px; display: inline-flex; align-items: center; gap: 8px; }
.safety-inner h2 { font-size: 32px; color: #fff; margin: 16px 0 18px; }
.safety-inner > div > p { color: rgba(255,255,255,.66); margin-bottom: 28px; }
.safety-list { display: grid; gap: 14px; margin-bottom: 24px; }
.safety-list li { display: flex; gap: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 14px 16px; align-items: flex-start; color: rgba(255,255,255,.86); font-size: 15px; }
.safety-list li i { color: var(--amber); margin-top: 6px; }
.safety-aside { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 24px; backdrop-filter: blur(8px); padding: 34px; }
.safety-aside i { font-size: 34px; color: var(--amber); margin-bottom: 14px; }
.safety-aside h3 { font-size: 22px; color: #fff; margin-bottom: 12px; }
.safety-aside p { margin: 0 0 16px; color: rgba(255,255,255,.66); font-size: 15px; }
.safety-note { border-top: 1px dashed rgba(255,255,255,.12); padding-top: 20px; margin-top: 22px; display: flex; gap: 14px; color: rgba(255,255,255,.5); font-size: 13px; align-items: center; }

/* ---------- FAQ section ---------- */
.faq-section { background: #fff; }
.faq-wrap { max-width: 880px; margin: 0 auto; }
.faq-accordion { background: transparent; margin: 0; }
.faq-accordion .accordion-item { background: var(--bg); border: 1px solid var(--border); border-radius: 20px; margin-bottom: 16px; overflow: hidden; transition: box-shadow .25s, border-color .25s; }
.faq-accordion .accordion-item.is-active { border-color: rgba(108,62,245,.28); box-shadow: var(--shadow-sm); }
.faq-accordion .accordion-title { background: transparent; border: 0; color: var(--text) !important; font-size: 16px; font-weight: 700; line-height: 1.7; padding: 24px 60px 24px 26px; border-radius: 0 !important; position: relative; }
.faq-accordion .accordion-title:hover { color: var(--purple) !important; background: rgba(108,62,245,.04); }
.faq-accordion .accordion-title::before { content: none !important; }
.faq-accordion .accordion-title::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: 26px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; background: rgba(108,62,245,.1); color: var(--purple); display: flex; align-items: center; justify-content: center; font-size: 13px; transition: transform .25s, background .25s; }
.faq-accordion .accordion-item.is-active .accordion-title::after { background: var(--grad); color: #fff; transform: translateY(-50%) rotate(180deg); }
.faq-accordion .accordion-content { background: transparent; color: var(--muted); border: 0; padding: 0 26px 26px; font-size: 15px; }
.faq-accordion .accordion-content p { margin-bottom: 10px; }
.faq-official-link { display: inline-flex; align-items: center; gap: 6px; color: var(--purple); font-weight: 700; font-size: 14px; margin-top: 6px; }
.faq-official-link:hover { color: var(--magenta); }

/* ---------- CTA ---------- */
.cta-band { position: relative; background: linear-gradient(135deg, #6C3EF5, #FF2E88); color: #fff; text-align: center; padding: 90px 28px; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; left: 12%; top: -90px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.12); }
.cta-band::after { content: ""; position: absolute; right: 6%; bottom: -130px; width: 320px; height: 320px; border-radius: 50%; background: rgba(21,16,43,.18); }
.cta-inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 34px; letter-spacing: -.02em; margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,.82); font-size: 16px; margin-bottom: 30px; }
.btn-white { background: #fff; color: var(--purple); box-shadow: 0 14px 32px rgba(21,16,43,.2); }
.btn-white:hover { background: #fff; color: var(--magenta); transform: translateY(-3px); }
.cta-small { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 20px; }

/* ---------- footer ---------- */
.site-footer { background: var(--dark); color: rgba(255,255,255,.78); }
.site-footer .container.border-top { border-top: 1px solid rgba(255,255,255,.1); }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 48px; padding: 80px 0 52px; }
.footer-col .brand { margin-bottom: 18px; }
.footer-col .brand-main { color: #fff; }
.footer-col .brand-sub { color: rgba(255,255,255,.55); }
.footer-brand-desc { color: rgba(255,255,255,.56); font-size: 14px; line-height: 1.9; margin-bottom: 22px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 14px; background: rgba(255,255,255,.1); color: rgba(255,255,255,.82); font-size: 16px; transition: background .25s, color .25s, transform .25s; }
.footer-social a:hover { background: var(--grad); color: #fff; transform: translateY(-3px); }
.footer-title { color: #fff; font-size: 16px; letter-spacing: .01em; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.14); }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: 14px; transition: color .2s, transform .2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 12px; color: rgba(255,255,255,.32); }
.footer-links a:hover { color: var(--amber); transform: translateX(4px); }
.footer-links a:hover::before { color: var(--amber); }
.footer-note { color: rgba(255,255,255,.54); font-size: 14px; line-height: 1.9; margin-bottom: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,.48); }
.footer-bottom a { color: rgba(255,255,255,.68); }
.footer-bottom a:hover { color: var(--amber); }
.footer-bottom-links { display: flex; gap: 20px; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .section { padding: 68px 0; }
  .prelude-grid, .safety-inner { gap: 34px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
  .footer-col:first-child { grid-column: 1 / -1; }
  .timeline-steps::before { left: 20px; transform: none; }
  .timeline-block { grid-template-columns: 1fr; gap: 28px; }
  .timeline-block.reverse .step-media { order: 0; }
  .step-media img { height: auto; max-height: 280px; width: 100%; }
  .hero-title { font-size: 38px; }
}
@media (max-width: 768px) {
  .section { padding: 54px 0; }
  .header-inner { height: 72px; }
  .desktop-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav.open { display: flex; top: 72px; }
  .hero-title { font-size: 34px; }
  .hero-panel { max-width: 100%; margin: 34px auto 0; }
  .prelude-grid { grid-template-columns: 1fr; }
  .prelude-visual img { min-height: 0; height: 350px; }
  .timeline-block { grid-template-columns: 1fr; }
  .step-copy { padding: 24px; }
  .device-grid { grid-template-columns: 1fr; }
  .safety-inner { grid-template-columns: 1fr; }
  .section-heading h2 { font-size: 28px; }
  .cta-inner h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; padding-top: 54px; gap: 34px; }
  .footer-col { grid-column: 1 !important; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .header-inner { gap: 8px; }
  .brand-main { font-size: 17px; }
  .brand-sub { display: none; }
  .hero-lead { font-size: 15px; }
  .hero-cta .btn, .hero-cta .btn-ghost-light { width: 100%; }
  .prelude-visual img { height: 260px; }
  .step-copy { padding: 20px; }
  .step-media img { height: 220px; }
  .safety-aside { padding: 24px; }
  .cta-band { padding: 60px 18px; }
}
