:root {
      --bg: #07060B;
      --panel: rgba(255,255,255,.045);
      --ink: #F6F1F7;
      --soft: #B8AFC6;
      --muted: #7E758F;
      --pink: #FF2E88;
      --violet: #8B5CF6;
      --gold: #FFC86B;
      --line: rgba(255,255,255,.09);
      --grad: linear-gradient(100deg, #FF2E88, #8B5CF6 55%, #FFC86B);
      --shadow: 0 18px 55px rgba(0,0,0,.42);
      --r-card: 18px;
      --r-btn: 999px;
      --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--ink);
      font-family: var(--font);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: rgba(255,255,255,.03); }
    ::-webkit-scrollbar-thumb { background: var(--grad); border-radius: 8px; box-shadow: 0 0 12px var(--pink); }

    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    img { max-width: 100%; display: block; }

    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* 导航 */
    .nav {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
      transition: background .3s, backdrop-filter .3s, border-bottom .3s;
      border-bottom: 1px solid transparent;
    }
    .nav.scrolled {
      background: rgba(7,6,11,.75);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
    }
    .nav-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
    .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; letter-spacing: .5px; }
    .brand img { height: 32px; width: auto; object-fit: contain; }
    .nav-links { display: flex; gap: 28px; font-size: .95rem; color: var(--soft); }
    .nav-links a:hover { color: var(--ink); }
    .nav-cta { display: none; }
    @media (min-width: 1024px) { .nav-cta { display: inline-flex; } }

    /* 按钮 */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      border-radius: var(--r-btn); font-weight: 600; cursor: pointer;
      border: none; transition: transform .25s, box-shadow .25s;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary {
      background: var(--grad); color: #fff; padding: 12px 28px;
      font-size: 1rem; position: relative; overflow: hidden;
    }
    .btn-primary::after {
      content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
      transform: skewX(-20deg); animation: sweep 3.4s infinite;
    }
    @keyframes sweep { 0% { left: -100%; } 20% { left: 200%; } 100% { left: 200%; } }
    .btn-outline {
      background: transparent; color: var(--ink); padding: 12px 28px;
      border: 1px solid var(--line); font-size: 1rem;
    }
    .btn-outline:hover { background: var(--panel); border-color: var(--soft); }
    .btn-sm { padding: 8px 20px; font-size: .9rem; }

    /* 动画与可见性 */
    .rv { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
    html:not(.js) .rv { opacity: 1; transform: none; }
    .rv.visible { opacity: 1; transform: translateY(0); }

    /* 01 Hero */
    .hero {
      min-height: 100vh; display: flex; align-items: center; justify-content: center;
      position: relative; overflow: hidden; padding: 100px 0 60px; text-align: center;
    }
    .hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
    .blob { position: absolute; border-radius: 50%; filter: blur(110px); opacity: .6; }
    .blob-1 { width: 400px; height: 400px; background: var(--pink); top: 10%; left: 10%; animation: drift1 18s infinite alternate; }
    .blob-2 { width: 500px; height: 500px; background: var(--violet); bottom: 10%; right: 10%; animation: drift2 22s infinite alternate; }
    .blob-3 { width: 300px; height: 300px; background: var(--gold); top: 50%; left: 50%; transform: translate(-50%, -50%); animation: drift3 14s infinite alternate; }
    @keyframes drift1 { 0% { transform: translate(0,0); } 100% { transform: translate(40px, 60px); } }
    @keyframes drift2 { 0% { transform: translate(0,0); } 100% { transform: translate(-50px, -40px); } }
    @keyframes drift3 { 0% { transform: translate(-50%,-50%) scale(1); } 100% { transform: translate(-40%,-40%) scale(1.2); } }

    .poster-wall {
      position: absolute; top: 50%; left: 50%; width: 140%; height: 120%;
      transform: translate(-50%, -50%) perspective(1000px) rotateY(-14deg) rotateX(6deg);
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; opacity: .32;
      mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
      -webkit-mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
      pointer-events: none; animation: wall-drift 40s linear infinite;
    }
    @keyframes wall-drift { 0% { transform: translate(-50%, -50%) perspective(1000px) rotateY(-14deg) rotateX(6deg) translateY(0); } 100% { transform: translate(-50%, -50%) perspective(1000px) rotateY(-14deg) rotateX(6deg) translateY(-100px); } }
    .wall-card { aspect-ratio: 3/4; border-radius: 12px; background: linear-gradient(135deg, rgba(255,46,136,.1), rgba(139,92,246,.1)); }

    .hero-content { position: relative; z-index: 10; padding: 0 24px; max-width: 800px; }
    .badge {
      display: inline-flex; align-items: center; gap: 8px; background: var(--panel);
      border: 1px solid var(--line); border-radius: var(--r-btn); padding: 6px 16px;
      font-size: .85rem; color: var(--soft); margin-bottom: 24px;
    }
    .badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 8px var(--pink); }
    .hot-tag {
      position: absolute; top: 90px; right: 40px; display: flex; align-items: center; gap: 6px;
      font-size: .8rem; color: var(--soft); background: var(--panel); padding: 4px 12px;
      border-radius: var(--r-btn); border: 1px solid var(--line); z-index: 20;
    }
    .hot-tag::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #ff3333; animation: pulse 2s infinite; }
    @keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255,51,51,.7); } 50% { opacity: .6; box-shadow: 0 0 0 8px rgba(255,51,51,0); } }

    h1 {
      font-size: clamp(32px, 5vw, 64px); font-weight: 800; line-height: 1.2; margin-bottom: 20px;
      letter-spacing: -1px;
    }
    h1 span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .hero-sub { font-size: clamp(1rem, 2vw, 1.2rem); color: var(--soft); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
    .hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .scroll-hint { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); color: var(--muted); animation: float 2s infinite; }
    @keyframes float { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 10px); } }

    /* 02 数据栏 */
    .stats-bar {
      background: linear-gradient(90deg, rgba(255,46,136,.05), rgba(139,92,246,.05), rgba(255,200,107,.05));
      border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 0;
      overflow: hidden; position: relative;
    }
    .marquee { display: flex; width: max-content; animation: marquee 28s linear infinite; padding-left: 26px; }
    .marquee:hover { animation-play-state: paused; }
    @keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
    .stat-item {
      display: flex; flex-direction: column; align-items: center; padding: 0 40px;
      border-right: 1px solid var(--line); transition: opacity .3s;
    }
    .marquee:hover .stat-item { opacity: .5; }
    .marquee .stat-item:hover { opacity: 1; }
    .stat-num { font-size: 2rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .stat-label { font-size: .9rem; color: var(--soft); margin-top: 4px; }

    /* 03 热播推荐 */
    .section-pad { padding: 80px 0; }
    .section-head { text-align: center; margin-bottom: 48px; }
    .section-head h2 { font-size: 2rem; margin-bottom: 12px; }
    .section-head h2 span { color: var(--pink); }
    .section-head p { color: var(--soft); font-size: 1rem; }

    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .card {
      background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-card);
      overflow: hidden; position: relative; transition: transform .3s, box-shadow .3s;
    }
    .card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
    .card-img-wrap { position: relative; aspect-ratio: 3/4; overflow: hidden; }
    .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
    .card:hover .card-img-wrap img { transform: scale(1.04); }
    .heat-tag {
      position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,.6);
      backdrop-filter: blur(8px); padding: 4px 10px; border-radius: 8px;
      font-size: .75rem; color: var(--gold); font-weight: 600; border: 1px solid rgba(255,200,107,.3);
    }
    .card-info { padding: 16px; position: relative; }
    .card-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
    .card-tags { display: flex; gap: 8px; flex-wrap: wrap; }
    .tag { font-size: .7rem; color: var(--soft); background: rgba(255,255,255,.06); padding: 2px 8px; border-radius: 4px; }
    .card-line {
      position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
      background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s;
    }
    .card:hover .card-line { transform: scaleX(1); }

    /* 04 分类剧场 */
    .cat-row { display: flex; align-items: center; gap: 40px; margin-bottom: 60px; }
    .cat-row:nth-child(even) { flex-direction: row-reverse; }
    .cat-img { flex: 1; aspect-ratio: 16/10; border-radius: var(--r-card); overflow: hidden; position: relative; box-shadow: var(--shadow); animation: float-img 7s infinite alternate ease-in-out; }
    .cat-row:nth-child(even) .cat-img { animation-direction: alternate-reverse; }
    @keyframes float-img { 0% { transform: translateY(0); } 100% { transform: translateY(-10px); } }
    .cat-img img { width: 100%; height: 100%; object-fit: cover; }
    .cat-text { flex: 1; }
    .cat-text h3 { font-size: 1.6rem; margin-bottom: 12px; }
    .cat-text h3 span { color: var(--pink); }
    .cat-text p { color: var(--soft); margin-bottom: 20px; font-size: 1rem; }
    .cat-link { color: var(--gold); font-weight: 600; font-size: .95rem; display: inline-flex; align-items: center; gap: 4px; }
    .cat-link:hover { text-decoration: underline; }

    /* 05 成绩横幅 */
    .achievement {
      background: linear-gradient(135deg, #0f0c16, #1a1424); border-radius: 24px;
      padding: 60px 40px; position: relative; overflow: hidden; margin: 40px 0;
    }
    .achievement-bg { position: absolute; top: -50%; left: -20%; width: 80%; height: 200%; background: radial-gradient(circle, rgba(139,92,246,.15), transparent 60%); filter: blur(60px); animation: drift1 20s infinite alternate; }
    .ach-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; z-index: 1; margin-bottom: 40px; }
    .ach-item { text-align: center; }
    .ach-num { font-size: 2.2rem; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
    .ach-label { color: var(--soft); font-size: .9rem; }
    .top-list { border-top: 1px solid var(--line); padding-top: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; z-index: 1; }
    .top-item { display: flex; align-items: center; gap: 16px; }
    .top-rank { font-size: 2rem; font-weight: 800; color: transparent; -webkit-text-stroke: 1px var(--gold); }
    .top-name { font-weight: 600; font-size: 1rem; }

    /* 06 流程 */
    .step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
    .step-grid::before { content: ''; position: absolute; top: 30px; left: 10%; right: 10%; height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); z-index: 0; }
    .step-item { text-align: center; position: relative; z-index: 1; }
    .step-icon {
      width: 60px; height: 60px; border-radius: 50%; background: var(--panel); border: 1px solid var(--line);
      display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
      color: var(--pink); position: relative;
    }
    .step-icon::after {
      content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--pink);
      animation: pulse-ring 2.6s infinite; opacity: 0;
    }
    @keyframes pulse-ring { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.4); opacity: 0; } }
    .step-item h4 { font-size: 1.1rem; margin-bottom: 8px; }
    .step-item p { font-size: .9rem; color: var(--muted); }

    /* 07 片花 */
    .slider-section { padding: 60px 0; }
    .slider-container { position: relative; width: 100%; aspect-ratio: 21/9; border-radius: 24px; overflow: hidden; background: #000; }
    .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s, transform .6s; transform: scale(1.02); pointer-events: none; }
    .slide.active { opacity: 1; transform: scale(1); pointer-events: auto; z-index: 2; }
    .slide img { width: 100%; height: 100%; object-fit: cover; }
    .slide-caption {
      position: absolute; bottom: 0; left: 0; width: 100%; padding: 60px 40px 40px;
      background: linear-gradient(0deg, rgba(7,6,11,.95) 0%, rgba(7,6,11,.8) 60%, transparent 100%);
      display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start;
    }
    .slide-caption h3 { font-size: 2rem; margin-bottom: 8px; }
    .slide-caption p { color: var(--soft); margin-bottom: 16px; max-width: 500px; }
    .slider-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 10; }
    .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.3); cursor: pointer; transition: background .3s; border: none; }
    .dot.active { background: var(--pink); width: 24px; border-radius: 8px; }
    .slider-arrow {
      position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px;
      border-radius: 50%; background: rgba(0,0,0,.5); border: 1px solid var(--line);
      color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer;
      z-index: 10; transition: background .3s; font-size: 1.2rem;
    }
    .slider-arrow:hover { background: rgba(255,46,136,.6); }
    .arrow-prev { left: 20px; }
    .arrow-next { right: 20px; }

    /* 08 创作者 */
    .creator-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin-bottom: 40px; }
    .creator-card { text-align: center; cursor: pointer; position: relative; }
    .avatar-wrap {
      width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 12px; position: relative;
      background: var(--grad); display: flex; align-items: center; justify-content: center;
      overflow: hidden;
    }
    .avatar-wrap img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; z-index: 2; }
    .avatar-fallback { font-size: 1.6rem; font-weight: 700; color: #fff; z-index: 1; }
    .creator-card h4 { font-size: .95rem; margin-bottom: 4px; }
    .creator-card p { font-size: .75rem; color: var(--muted); }
    .creator-hover {
      position: absolute; inset: 0; background: rgba(10,8,15,.9); border-radius: var(--r-card);
      display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0;
      transition: opacity .3s; pointer-events: none; padding: 10px; z-index: 5;
    }
    .creator-card:hover .creator-hover { opacity: 1; }
    .creator-hover span { font-size: .8rem; color: var(--gold); margin-bottom: 4px; }
    .creator-hover strong { font-size: .9rem; color: var(--ink); text-align: center; }

    .support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .support-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-card); padding: 24px; text-align: center; }
    .support-card h4 { font-size: 1.1rem; margin-bottom: 8px; color: var(--gold); }
    .support-card p { font-size: .85rem; color: var(--soft); }

    /* 09 会员 */
    .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: center; }
    .price-card {
      background: var(--panel); border: 1px solid var(--line); border-radius: 24px;
      padding: 40px 30px; text-align: center; position: relative;
    }
    .price-card.popular { transform: scale(1.04); z-index: 2; background: #120D19; }
    .price-card.popular::before {
      content: ''; position: absolute; inset: 0; border-radius: 24px; padding: 1px;
      background: var(--grad); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
    }
    .pop-mark {
      position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
      background: var(--grad); color: #fff; font-size: .75rem; font-weight: 700;
      padding: 4px 12px; border-radius: 20px; white-space: nowrap;
    }
    .price-name { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
    .price-val { font-size: 2.4rem; font-weight: 800; color: var(--ink); margin-bottom: 24px; }
    .price-val span { font-size: .9rem; color: var(--muted); font-weight: 400; }
    .price-features { text-align: left; margin-bottom: 30px; }
    .price-features li { font-size: .9rem; color: var(--soft); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
    .price-features li::before { content: '✓'; color: var(--pink); font-weight: bold; }

    /* 10 评价与弹幕 */
    .review-section { padding: 60px 0; overflow: hidden; position: relative; }
    .danmaku-bar {
      height: 56px; border-radius: 12px; border: 1px solid var(--line);
      background: rgba(0,0,0,.2); display: flex; align-items: center;
      mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
      -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
      margin-bottom: 40px; overflow: hidden; position: relative;
    }
    .danmaku-text {
      position: absolute; white-space: nowrap; font-size: 12.5px; color: rgba(255,255,255,.42);
      animation: danmaku-move linear infinite;
    }
    .danmaku-text:nth-child(1) { top: 12px; animation-duration: 18s; }
    .danmaku-text:nth-child(2) { top: 30px; animation-duration: 22s; animation-delay: -5s; }
    .danmaku-text:nth-child(3) { top: 12px; animation-duration: 20s; animation-delay: -10s; }
    .danmaku-text:nth-child(4) { top: 30px; animation-duration: 25s; animation-delay: -15s; }
    @keyframes danmaku-move { 0% { transform: translateX(100vw); } 100% { transform: translateX(-100%); } }

    .review-tracks { display: flex; flex-direction: column; gap: 20px; }
    .track { display: flex; width: max-content; gap: 20px; }
    .track-left { animation: scroll-left 46s linear infinite; }
    .track-right { animation: scroll-right 58s linear infinite; }
    .track:hover { animation-play-state: paused; }
    @keyframes scroll-left { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
    @keyframes scroll-right { 0% { transform: translateX(-50%); } 100% { transform: translateX(0); } }
    .review-card {
      width: 300px; background: var(--panel); border: 1px solid var(--line);
      border-radius: 14px; padding: 20px; flex-shrink: 0;
    }
    .review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
    .review-avatar {
      width: 40px; height: 40px; border-radius: 50%; background: var(--grad);
      display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff;
    }
    .review-name { font-size: .9rem; font-weight: 600; }
    .review-stars { color: var(--gold); font-size: .8rem; }
    .review-text { font-size: .85rem; color: var(--soft); line-height: 1.5; }

    /* 11 FAQ */
    .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    details {
      background: var(--panel); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
    }
    summary {
      padding: 20px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
    }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: '＋'; color: var(--soft); font-size: 1.2rem; transition: transform .3s, color .3s; }
    details[open] summary::after { transform: rotate(45deg); color: var(--pink); }
    .faq-ans { padding: 0 20px 20px; color: var(--soft); font-size: .95rem; }

    /* 12 页脚 */
    .footer-cta {
      background: var(--grad); border-radius: 24px; padding: 60px 40px; text-align: center;
      position: relative; overflow: hidden; margin: 60px auto 40px; max-width: 1200px;
    }
    .footer-cta::before {
      content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(circle at 20% 50%, rgba(255,255,255,.2), transparent 60%);
      animation: drift1 15s infinite alternate;
    }
    .footer-cta h2 { font-size: 2rem; margin-bottom: 12px; position: relative; z-index: 1; color: #fff; }
    .footer-cta p { color: rgba(255,255,255,.8); margin-bottom: 30px; position: relative; z-index: 1; }
    .footer-cta .btn { position: relative; z-index: 1; background: #fff; color: var(--bg); }
    .footer-cta .btn:hover { background: #f0f0f0; }

    .footer { border-top: 1px solid var(--line); padding: 60px 0 30px; font-size: .85rem; color: var(--muted); }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-brand { display: flex; flex-direction: column; gap: 16px; }
    .footer-brand .brand { font-size: 1.1rem; }
    .footer-brand p { max-width: 240px; line-height: 1.5; }
    .footer-col h4 { color: var(--ink); font-size: .95rem; margin-bottom: 16px; }
    .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
    .footer-col a { color: var(--muted); transition: color .2s; }
    .footer-col a:hover { color: var(--ink); }
    .footer-bottom {
      border-top: 1px solid var(--line); padding-top: 20px; display: flex;
      justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
    }
    .footer-bottom a { color: var(--muted); }
    .footer-bottom a:hover { color: var(--soft); }

    /* 浮动层 */
    .float-btns { position: fixed; bottom: 30px; right: 30px; display: flex; flex-direction: column; gap: 12px; z-index: 90; }
    .float-btn {
      width: 50px; height: 50px; border-radius: 50%;
      background: rgba(255,255,255,.06); border: 1px solid var(--line);
      backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
      color: var(--ink); display: flex; align-items: center; justify-content: center;
      cursor: pointer; transition: transform .2s, background .2s; box-shadow: var(--shadow);
    }
    .float-btn:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); }
    .float-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    .modal-overlay {
      position: fixed; inset: 0; background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
      display: flex; align-items: center; justify-content: center; z-index: 200;
      opacity: 0; pointer-events: none; transition: opacity .3s;
    }
    .modal-overlay.active { opacity: 1; pointer-events: auto; }
    .modal {
      background: rgba(20,15,25,.9); border: 1px solid var(--line); border-radius: 20px;
      padding: 32px; width: 90%; max-width: 400px; text-align: center;
      transform: scale(0.94); transition: transform .3s; box-shadow: var(--shadow);
    }
    .modal-overlay.active .modal { transform: scale(1); }
    .modal h3 { font-size: 1.4rem; margin-bottom: 12px; }
    .modal p { color: var(--soft); margin-bottom: 24px; font-size: .95rem; }
    .modal .btn { width: 100%; margin-bottom: 12px; }
    .modal small { color: var(--muted); font-size: .75rem; }
    .close-btn { position: absolute; top: 16px; right: 16px; background: none; border: none; color: var(--soft); font-size: 1.5rem; cursor: pointer; }

    /* 响应式 */
    @media (max-width: 1024px) {
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .creator-grid { grid-template-columns: repeat(3, 1fr); }
      .cat-row, .cat-row:nth-child(even) { flex-direction: column; gap: 20px; }
      .ach-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
      .nav-links { display: none; }
      .step-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
      .step-grid::before { display: none; }
    }

    @media (max-width: 720px) {
      h1 { font-size: clamp(27px, 8vw, 40px); }
      .hero { min-height: 90vh; }
      .hot-tag { position: static; margin-bottom: 16px; display: inline-flex; }
      .scroll-hint { display: none; }
      .pricing-grid { grid-template-columns: 1fr; }
      .price-card.popular { transform: none; }
      .step-grid { grid-template-columns: 1fr; }
      .step-item { display: grid; grid-template-columns: 60px 1fr; text-align: left; align-items: center; gap: 16px; }
      .step-icon { margin: 0; }
      .step-item h4, .step-item p { grid-column: 2; }
      .step-item h4 { align-self: end; margin: 0; }
      .step-item p { align-self: start; margin: 0; }
      .slider-container { aspect-ratio: 4/3; }
      .slider-arrow { display: none; }
      .slide-caption { padding: 40px 20px 20px; }
      .slide-caption h3 { font-size: 1.5rem; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .support-grid { grid-template-columns: 1fr; }
      .top-list { grid-template-columns: 1fr; }
      .danmaku-bar { display: none; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
    }

    @media (prefers-reduced-motion: reduce) {
      * { animation: none !important; transition: none !important; }
      .rv { opacity: 1; transform: none; }
    }