/* roulang page: index */
:root {
      --berry: #b92761;
      --berry-dark: #791a43;
      --rose: #e85d7a;
      --coral: #ef826f;
      --gold: #d69a2d;
      --gold-soft: #fff4d7;
      --ink: #301b29;
      --muted: #75636e;
      --line: #eadde2;
      --paper: #fffdfd;
      --pink-wash: #fff3f5;
      --lavender: #f8f3f7;
      --shadow: 0 14px 36px rgba(74, 24, 48, .10);
      --shadow-hover: 0 20px 40px rgba(74, 24, 48, .16);
      --radius: 8px;
      --container: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; width: 100%; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(185, 39, 97, .35); outline-offset: 3px; }
    .container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
    .skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 16px; color: #fff; background: var(--berry-dark); border-radius: 4px; }
    .skip-link:focus { top: 10px; }
    .site-header {
      position: sticky; top: 0; z-index: 50;
      background: rgba(255,253,253,.94); backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(234,221,226,.92);
    }
    .nav-wrap { min-height: 72px; display: flex; align-items: center; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-size: 19px; font-weight: 800; letter-spacing: .04em; }
    .brand-mark {
      display: grid; place-items: center; width: 34px; height: 34px; color: #fff;
      background: linear-gradient(135deg, var(--berry), var(--coral)); border-radius: 7px;
      box-shadow: 0 7px 16px rgba(185,39,97,.23); font-size: 16px; font-weight: 900;
    }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 4px; width: 100%; }
    .nav-links a { padding: 9px 12px; color: var(--muted); font-size: 14px; font-weight: 650; border-radius: 5px; transition: color .2s, background .2s; }
    .nav-links a:hover, .nav-links a.active { color: var(--berry); background: var(--pink-wash); }
    .nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--berry-dark); }
    .nav-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; transition: transform .2s; }
    .hero { position: relative; overflow: hidden; padding: 80px 0 64px; background: linear-gradient(112deg, #fff8f9 0%, #fff1f2 48%, #fffaf7 100%); border-bottom: 1px solid #f4e6e9; }
    .hero:before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -290px; border: 82px solid rgba(232,93,122,.08); border-radius: 50%; }
    .hero-inner { position: relative; max-width: 900px; margin: 0 auto; text-align: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; color: var(--berry); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
    .eyebrow:before { content: ""; width: 28px; height: 2px; background: linear-gradient(90deg, var(--berry), var(--coral)); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 800px; margin: 0 auto 16px; font-size: clamp(34px, 5vw, 58px); line-height: 1.18; letter-spacing: .02em; }
    .highlight { color: var(--berry); background: linear-gradient(transparent 68%, rgba(232,93,122,.18) 0); }
    .hero-subtitle { margin: 0 auto 14px; color: var(--berry-dark); font-size: clamp(17px, 2.2vw, 21px); font-weight: 750; }
    .hero-copy { max-width: 820px; margin: 0 auto; color: #624555; text-align: left; font-size: 15px; }
    .hero-copy p { margin: 0 0 10px; }
    .hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 20px; border: 1px solid transparent; border-radius: 6px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-primary { color: #fff; background: linear-gradient(110deg, var(--berry), var(--rose), var(--coral)); box-shadow: 0 9px 19px rgba(185,39,97,.23); }
    .btn-primary:hover { box-shadow: 0 13px 26px rgba(185,39,97,.30); }
    .btn-secondary { color: var(--berry-dark); background: rgba(255,255,255,.8); border-color: #dbbdc7; }
    .progress-row { display: flex; align-items: center; justify-content: center; gap: 24px; margin: 31px auto 0; color: var(--muted); font-size: 13px; }
    .progress-track { position: relative; width: 210px; height: 7px; overflow: hidden; background: #f0dfe4; border-radius: 10px; }
    .progress-track span { display: block; width: 78%; height: 100%; background: linear-gradient(90deg, var(--berry), var(--coral)); border-radius: inherit; }
    section { padding: 78px 0; }
    section:nth-of-type(even) { background: var(--lavender); }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 26px; margin-bottom: 30px; }
    .section-kicker { margin: 0 0 6px; color: var(--berry); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
    h2 { margin-bottom: 0; font-size: clamp(25px, 3vw, 34px); line-height: 1.25; letter-spacing: .02em; }
    .section-intro { max-width: 500px; margin: 0; color: var(--muted); font-size: 14px; }
    .pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .pain-item { padding: 26px 27px 23px; border-right: 1px solid var(--line); }
    .pain-item:last-child { border-right: 0; }
    .pain-no { display: block; margin-bottom: 14px; color: #d5a1b4; font-size: 13px; font-weight: 900; letter-spacing: .1em; }
    .pain-item h3 { margin-bottom: 7px; font-size: 18px; }
    .pain-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .poster-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
    .poster-card { min-width: 0; overflow: hidden; background: #fff; border: 1px solid #eee2e6; border-radius: var(--radius); box-shadow: 0 5px 17px rgba(78,30,51,.05); transition: transform .2s, box-shadow .2s; }
    .poster-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
    .poster-image { position: relative; aspect-ratio: 2 / 2.82; overflow: hidden; background: #dca1af; }
    .poster-image img { height: 100%; object-fit: cover; transition: transform .35s; }
    .poster-card:hover .poster-image img { transform: scale(1.05); }
    .badge { display: inline-flex; align-items: center; padding: 3px 7px; border-radius: 4px; font-size: 11px; font-weight: 800; line-height: 1.3; }
    .poster-image .badge { position: absolute; top: 9px; left: 9px; color: #fff; background: rgba(48,27,41,.82); backdrop-filter: blur(4px); }
    .badge-pink { color: #a61d50; background: #ffe2e9; }
    .badge-gold { color: #80540a; background: var(--gold-soft); }
    .badge-violet { color: #664481; background: #eee5f6; }
    .poster-info { padding: 11px 11px 13px; }
    .poster-title { display: block; overflow: hidden; margin: 0 0 6px; font-size: 14px; font-weight: 800; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
    .poster-meta { display: flex; justify-content: space-between; gap: 5px; color: var(--muted); font-size: 12px; }
    .star { color: var(--gold); font-weight: 900; }
    .recommend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .wide-card { display: grid; grid-template-columns: 116px 1fr; min-height: 172px; overflow: hidden; background: #fff; border: 1px solid #eee2e6; border-radius: var(--radius); transition: transform .2s, box-shadow .2s; }
    .wide-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .wide-card img { height: 100%; object-fit: cover; }
    .wide-copy { display: flex; flex-direction: column; align-items: flex-start; padding: 18px 16px; }
    .wide-copy h3 { margin-bottom: 7px; font-size: 18px; line-height: 1.35; }
    .wide-copy p { margin: 0 0 13px; color: var(--muted); font-size: 13px; line-height: 1.65; }
    .heat { margin-top: auto; color: var(--berry); font-size: 12px; font-weight: 800; }
    .channel-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
    .channel { min-height: 230px; padding: 25px 21px; border-right: 1px solid var(--line); }
    .channel:last-child { border-right: 0; }
    .channel-mark { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 22px; border-radius: 7px; font-size: 19px; font-weight: 900; }
    .channel:nth-child(1) .channel-mark { color: #9d224f; background: #ffe0e8; }
    .channel:nth-child(2) .channel-mark { color: #6b4687; background: #eee5f6; }
    .channel:nth-child(3) .channel-mark { color: #8e5c0e; background: #fff0cf; }
    .channel:nth-child(4) .channel-mark { color: #177461; background: #daf4eb; }
    .channel:nth-child(5) .channel-mark { color: #8e4f2b; background: #fce5d8; }
    .channel h3 { margin-bottom: 10px; font-size: 18px; }
    .channel p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
    .step { position: relative; padding: 25px 21px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
    .step:not(:last-child):after { content: ""; position: absolute; right: -17px; top: 45px; z-index: 2; width: 18px; height: 1px; background: #dfa4b6; }
    .step-no { display: inline-flex; width: 29px; height: 29px; align-items: center; justify-content: center; margin-bottom: 18px; color: #fff; background: var(--berry); border-radius: 50%; font-size: 12px; font-weight: 900; }
    .step h3 { margin-bottom: 7px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .rank-wrap { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
    .rank-head, .rank-row { display: grid; grid-template-columns: 76px minmax(180px,1.4fr) 1fr 100px 94px; align-items: center; gap: 15px; }
    .rank-head { padding: 14px 24px; color: var(--muted); background: #fdf7f9; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 800; }
    .rank-row { min-height: 64px; padding: 10px 24px; border-bottom: 1px solid #f0e8eb; transition: background .2s; }
    .rank-row:last-child { border-bottom: 0; }
    .rank-row:hover { background: #fff8fa; }
    .rank-num { color: var(--berry-dark); font-size: 16px; font-weight: 900; }
    .medal { display: inline-grid; place-items: center; width: 32px; height: 32px; color: #fff; border-radius: 50%; font-size: 14px; }
    .medal.one { background: linear-gradient(135deg, #e5b847, #b98020); }
    .medal.two { background: linear-gradient(135deg, #bfc4cb, #848b94); }
    .medal.three { background: linear-gradient(135deg, #d89961, #a76131); }
    .rank-name { font-weight: 800; }
    .rank-heat { color: var(--muted); font-size: 13px; }
    .score { color: var(--berry); font-weight: 850; font-size: 14px; }
    .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .stat { padding: 27px 24px; background: #fff; border-top: 3px solid var(--rose); box-shadow: 0 8px 24px rgba(78,30,51,.06); }
    .stat:nth-child(2) { border-color: var(--coral); }
    .stat:nth-child(3) { border-color: var(--gold); }
    .stat:nth-child(4) { border-color: #9672ac; }
    .stat strong { display: block; margin-bottom: 8px; color: var(--berry-dark); font-size: 37px; line-height: 1; }
    .stat span { display: block; font-weight: 800; }
    .stat small { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
    .feedback-empty { display: grid; grid-template-columns: 78px 1fr; gap: 20px; align-items: center; max-width: 790px; padding: 30px; background: #fff; border: 1px dashed #dcb9c5; border-radius: var(--radius); }
    .empty-icon { display: grid; place-items: center; width: 64px; height: 64px; color: var(--berry); background: var(--pink-wash); border-radius: 50%; font-size: 26px; }
    .feedback-empty h3 { margin-bottom: 6px; font-size: 19px; }
    .feedback-empty p { margin: 0; color: var(--muted); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 21px 4px; color: var(--ink); text-align: left; background: transparent; border: 0; font-weight: 800; font-size: 17px; }
    .faq-question i { position: relative; flex: 0 0 auto; width: 21px; height: 21px; margin-left: 18px; border: 1px solid #c98a9e; border-radius: 50%; }
    .faq-question i:before, .faq-question i:after { content: ""; position: absolute; top: 9px; left: 5px; width: 9px; height: 1px; background: var(--berry); transition: transform .2s; }
    .faq-question i:after { transform: rotate(90deg); }
    .faq-question[aria-expanded="true"] i:after { transform: rotate(0); }
    .faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .25s ease; }
    .faq-answer > div { overflow: hidden; }
    .faq-answer p { margin: 0; padding: 0 42px 21px 4px; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { grid-template-rows: 1fr; }
    .scene-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 17px; }
    .scene { min-height: 240px; padding: 25px; color: #fff; border-radius: var(--radius); background-size: cover; background-position: center; background-blend-mode: multiply; }
    .scene:first-child { background-color: rgba(94,23,55,.77); background-image: url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=900&q=80"); }
    .scene:nth-child(2) { background-color: rgba(87,56,102,.77); background-image: url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=900&q=80"); }
    .scene:nth-child(3) { background-color: rgba(145,76,39,.72); background-image: url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=900&q=80"); }
    .scene-no { display: block; margin-bottom: 67px; color: #ffd8e4; font-size: 12px; font-weight: 900; letter-spacing: .1em; }
    .scene h3 { margin-bottom: 7px; font-size: 22px; }
    .scene p { margin: 0; color: rgba(255,255,255,.86); font-size: 13px; line-height: 1.7; }
    .news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .news-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .2s, box-shadow .2s; }
    .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .news-card img { height: 150px; object-fit: cover; }
    .news-copy { padding: 17px; }
    .news-date { color: var(--berry); font-size: 12px; font-weight: 800; }
    .news-copy h3 { margin: 6px 0 8px; font-size: 17px; line-height: 1.48; }
    .news-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
    .update-panel { display: grid; grid-template-columns: 1fr 1.6fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
    .update-date { display: flex; flex-direction: column; justify-content: center; padding: 32px; color: #fff; background: linear-gradient(145deg, var(--berry-dark), var(--berry), var(--coral)); }
    .update-date strong { display: block; font-size: 37px; line-height: 1.05; }
    .update-date span { margin-top: 9px; font-weight: 700; }
    .update-items { padding: 16px 28px; }
    .update-item { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
    .update-item:last-child { border-bottom: 0; }
    .update-item b { font-size: 14px; }
    .update-item span { color: var(--muted); font-size: 13px; text-align: right; }
    .final-cta { padding: 0; background: transparent !important; }
    .cta-box { position: relative; overflow: hidden; padding: 55px 48px; color: #fff; background: linear-gradient(115deg, #791a43, #b92761 58%, #e66d76); border-radius: var(--radius); }
    .cta-box:after { content: "TX"; position: absolute; right: 38px; bottom: -60px; color: rgba(255,255,255,.09); font-size: 190px; font-weight: 900; line-height: 1; }
    .cta-box > * { position: relative; z-index: 1; }
    .cta-box h2 { max-width: 650px; font-size: clamp(27px, 4vw, 42px); }
    .cta-box p { max-width: 690px; margin: 13px 0 24px; color: rgba(255,255,255,.84); }
    .btn-light { color: var(--berry-dark); background: #fff; box-shadow: 0 8px 18px rgba(57,12,31,.18); }
    .site-footer { margin-top: 78px; color: #d9c2cc; background: #301b29; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 35px; padding: 54px 0 39px; }
    .footer-brand { color: #fff; }
    .footer-brand .brand-mark { display: inline-grid; vertical-align: middle; margin-right: 9px; }
    .footer-brand p { max-width: 285px; margin: 14px 0 0; color: #c9adba; font-size: 13px; }
    .footer-col h3 { margin: 0 0 12px; color: #fff; font-size: 14px; }
    .footer-col a { display: block; margin: 7px 0; color: #c9adba; font-size: 13px; transition: color .2s; }
    .footer-col a:hover { color: #fff; }
    .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 0; border-top: 1px solid rgba(255,255,255,.12); color: #b99daa; font-size: 12px; }
    @media (max-width: 1024px) {
      .poster-grid { grid-template-columns: repeat(4, 1fr); }
      .recommend-grid { grid-template-columns: repeat(2, 1fr); }
      .channel-row { grid-template-columns: repeat(3, 1fr); }
      .channel { border-bottom: 1px solid var(--line); }
      .channel:nth-child(3) { border-right: 0; }
      .channel:nth-child(4), .channel:nth-child(5) { border-bottom: 0; }
      .steps { grid-template-columns: repeat(2, 1fr); }
      .step:nth-child(2):after { display: none; }
      .scene-grid { grid-template-columns: 1fr 1fr; }
      .scene:first-child { grid-column: span 2; }
    }
    @media (max-width: 768px) {
      .container { width: min(calc(100% - 32px), var(--container)); }
      .nav-wrap { min-height: 64px; justify-content: space-between; gap: 12px; }
      .nav-toggle { display: block; }
      .nav-links { position: absolute; top: 64px; left: 0; display: none; width: 100%; padding: 10px 16px 16px; background: rgba(255,253,253,.98); border-bottom: 1px solid var(--line); box-shadow: 0 13px 23px rgba(48,27,41,.08); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 12px; }
      .hero { padding: 58px 0 49px; }
      .hero-copy { text-align: center; }
      section { padding: 58px 0; }
      .section-head { display: block; margin-bottom: 24px; }
      .section-intro { margin-top: 11px; }
      .pain-grid { grid-template-columns: 1fr; }
      .pain-item { border-right: 0; border-bottom: 1px solid var(--line); }
      .pain-item:last-child { border-bottom: 0; }
      .rank-head { display: none; }
      .rank-row { grid-template-columns: 42px 1fr auto; gap: 10px; padding: 13px 16px; }
      .rank-row .rank-heat, .rank-row .badge { display: none; }
      .stats { grid-template-columns: repeat(2, 1fr); }
      .news-list { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1.5fr 1fr; }
    }
    @media (max-width: 520px) {
      body { font-size: 15px; }
      .container { width: min(calc(100% - 28px), var(--container)); }
      h1 { font-size: 34px; }
      .hero-actions { display: grid; grid-template-columns: 1fr; }
      .hero-actions .btn { width: 100%; }
      .progress-row { flex-direction: column; gap: 9px; }
      .poster-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .recommend-grid { grid-template-columns: 1fr; }
      .wide-card { grid-template-columns: 100px 1fr; min-height: 148px; }
      .channel-row { grid-template-columns: 1fr; }
      .channel { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line) !important; }
      .channel:last-child { border-bottom: 0 !important; }
      .steps { grid-template-columns: 1fr; }
      .step:after { display: none; }
      .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
      .stat { padding: 20px 15px; }
      .stat strong { font-size: 30px; }
      .feedback-empty { grid-template-columns: 1fr; gap: 10px; padding: 23px; }
      .scene-grid { grid-template-columns: 1fr; }
      .scene:first-child { grid-column: auto; }
      .news-list { grid-template-columns: 1fr; }
      .news-card { display: grid; grid-template-columns: 118px 1fr; }
      .news-card img { height: 100%; min-height: 130px; }
      .update-panel { grid-template-columns: 1fr; }
      .update-date { padding: 26px; }
      .update-items { padding: 10px 18px; }
      .update-item { align-items: flex-start; flex-direction: column; gap: 3px; }
      .update-item span { text-align: left; }
      .cta-box { padding: 38px 25px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 27px 18px; }
      .footer-brand { grid-column: span 2; }
      .footer-bottom { align-items: flex-start; flex-direction: column; }
    }