:root {
    --bg: #f6f3ec;
    --bg-alt: #fffdf8;
    --ink: #2a2622;
    --ink-soft: #6a6158;
    --gold: #c8912f;
    --gold-deep: #a06e18;
    --line: #e4dccb;
    --card: #ffffff;
    --shadow: 0 10px 30px rgba(112, 88, 40, 0.10);
    --radius: 16px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; scroll-padding-top: 72px; }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; display: block; }

  a { color: inherit; text-decoration: none; }

  .wrap {
    width: min(1140px, calc(100% - 40px));
    margin: 0 auto;
  }

  /* ---------- Header ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(246, 243, 236, 0.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    height: 68px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .brand img {
    height: 34px;
    width: auto;
    border-radius: 8px;
  }

  .brand-name {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--ink);
  }

  .nav {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar { display: none; }

  .nav a {
    padding: 7px 12px;
    font-size: 14px;
    color: var(--ink-soft);
    border-radius: 999px;
    white-space: nowrap;
    transition: background 0.2s, color 0.2s;
  }

  .nav a:hover { background: #efe6d2; color: var(--gold-deep); }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.18s, box-shadow 0.18s, background 0.2s;
  }

  .btn:hover { transform: translateY(-2px); }

  .btn-primary {
    background: linear-gradient(135deg, #d8a542, #b47b19);
    color: #fff;
    box-shadow: 0 8px 20px rgba(180, 123, 25, 0.28);
  }

  .btn-primary:hover { box-shadow: 0 12px 26px rgba(180, 123, 25, 0.36); }

  .btn-ghost {
    background: transparent;
    border-color: var(--gold);
    color: var(--gold-deep);
  }

  .btn-ghost:hover { background: #f3e7cc; }

  .header-cta { flex-shrink: 0; }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    padding: 68px 0 78px;
    overflow: hidden;
    background:
      radial-gradient(circle at 82% 12%, rgba(216, 165, 66, 0.16), transparent 46%),
      radial-gradient(circle at 8% 82%, rgba(216, 165, 66, 0.10), transparent 42%);
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }

  .eyebrow {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    background: #f1e3c4;
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.6px;
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: clamp(30px, 4.2vw, 46px);
    line-height: 1.28;
    font-weight: 900;
    letter-spacing: -0.5px;
  }

  .hero h1 .hl {
    color: var(--gold-deep);
    background: linear-gradient(120deg, #d8a542, #9c6a13);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-lead {
    margin-top: 20px;
    font-size: 16.5px;
    color: var(--ink-soft);
    max-width: 480px;
  }

  .hero-actions {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero-meta {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .chip {
    font-size: 13px;
    color: var(--ink-soft);
    background: var(--card);
    border: 1px solid var(--line);
    padding: 5px 13px;
    border-radius: 999px;
  }

  .hero-visual {
    display: flex;
    justify-content: center;
    gap: 16px;
    position: relative;
  }

  .poster-card {
    width: 46%;
    max-width: 210px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    background: var(--card);
    transition: transform 0.3s;
  }

  .poster-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
  }

  .poster-card:nth-child(2) {
    margin-top: 42px;
  }

  .poster-card:hover { transform: translateY(-6px); }

  /* ---------- Section base ---------- */
  section { padding: 66px 0; }

  .section-head {
    max-width: 660px;
    margin-bottom: 38px;
  }

  .section-head .kicker {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--gold-deep);
    text-transform: uppercase;
  }

  .section-head h2 {
    font-size: clamp(23px, 3vw, 32px);
    font-weight: 900;
    line-height: 1.35;
    margin-top: 8px;
  }

  .section-head p {
    margin-top: 12px;
    color: var(--ink-soft);
    font-size: 15.5px;
  }

  /* ---------- Features ---------- */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .feature-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 22px;
    box-shadow: var(--shadow);
    transition: transform 0.25s, border-color 0.25s;
  }

  .feature-card:hover { transform: translateY(-5px); border-color: #dcc79c; }

  .feature-num {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: #f5e8cb;
    color: var(--gold-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 17px;
    margin-bottom: 16px;
  }

  .feature-card h3 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 14.5px;
    color: var(--ink-soft);
  }

  /* ---------- Showcase / poster wall ---------- */
  .showcase { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  .poster-wall {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
  }

  .wall-item {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: 0 6px 18px rgba(112, 88, 40, 0.09);
    background: var(--card);
    transition: transform 0.3s;
  }

  .wall-item:hover { transform: translateY(-6px) scale(1.02); }

  .wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
  }

  .wall-item.wide {
    grid-column: span 2;
  }

  .wall-item.wide img { height: 220px; }

  /* ---------- Today update + 催更 ---------- */
  .update-layout {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 26px;
    align-items: start;
  }

  .update-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 26px;
  }

  .update-card h3 {
    font-size: 19px;
    font-weight: 900;
    margin-bottom: 6px;
  }

  .update-card .sub {
    font-size: 13.5px;
    color: var(--ink-soft);
    margin-bottom: 20px;
  }

  .update-list { list-style: none; }

  .update-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--line);
  }

  .update-list li:last-child { border-bottom: none; }

  .update-list img {
    width: 48px;
    height: 64px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .update-list .u-title {
    font-size: 15px;
    font-weight: 700;
  }

  .update-list .u-desc {
    font-size: 13px;
    color: var(--ink-soft);
  }

  .badge-new {
    margin-left: auto;
    font-size: 11.5px;
    font-weight: 800;
    color: #fff;
    background: var(--gold);
    padding: 3px 9px;
    border-radius: 999px;
    white-space: nowrap;
  }

  .vote-list { list-style: none; }

  .vote-item {
    margin-bottom: 16px;
  }

  .vote-top {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 6px;
  }

  .vote-top strong { font-weight: 700; }

  .vote-top span { color: var(--gold-deep); font-weight: 700; }

  .vote-bar {
    height: 8px;
    border-radius: 999px;
    background: #efe6d2;
    overflow: hidden;
  }

  .vote-bar i {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #e0b458, #b47b19);
  }

  .vote-hint {
    margin-top: 18px;
    font-size: 13px;
    color: var(--ink-soft);
    padding-top: 16px;
    border-top: 1px dashed var(--line);
  }

  /* ---------- Guide steps ---------- */
  .steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    counter-reset: step;
  }

  .step {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 22px;
    position: relative;
  }

  .step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    font-size: 40px;
    font-weight: 900;
    color: #ecdfc2;
    line-height: 1;
    display: block;
    margin-bottom: 12px;
  }

  .step h3 {
    font-size: 16.5px;
    font-weight: 800;
    margin-bottom: 8px;
  }

  .step p { font-size: 14.5px; color: var(--ink-soft); }

  /* ---------- Certificates ---------- */
  .cert-section { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  .cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .cert-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow);
    position: relative;
  }

  .cert-seal {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    color: var(--gold-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 900;
    text-align: center;
    line-height: 1.15;
    margin-bottom: 18px;
    background: #fbf4e3;
  }

  .cert-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }

  .cert-card p { font-size: 14.5px; color: var(--ink-soft); }

  /* ---------- FAQ ---------- */
  .faq-list { max-width: 860px; margin: 0 auto; }

  .faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
  }

  .faq-q {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    font-family: inherit;
  }

  .faq-q .mark {
    color: var(--gold-deep);
    font-size: 22px;
    line-height: 1;
    flex-shrink: 0;
    transition: transform 0.25s;
  }

  .faq-item.open .faq-q .mark { transform: rotate(45deg); }

  .faq-a {
    padding: 0 24px 20px;
    font-size: 14.5px;
    color: var(--ink-soft);
    display: none;
  }

  .faq-item.open .faq-a { display: block; }

  /* ---------- CTA band ---------- */
  .cta-band {
    background: linear-gradient(135deg, #2a2622, #3d352b);
    color: #f8f2e4;
    border-radius: 22px;
    padding: 52px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    box-shadow: 0 20px 44px rgba(42, 38, 34, 0.22);
  }

  .cta-band h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 900;
    line-height: 1.35;
  }

  .cta-band p {
    margin-top: 10px;
    color: #cfc6b7;
    font-size: 15px;
    max-width: 520px;
  }

  .cta-band .btn-primary {
    background: linear-gradient(135deg, #e9bc5f, #c8912f);
    color: #2a2622;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
  }

  /* ---------- Footer ---------- */
  .site-footer {
    border-top: 1px solid var(--line);
    padding: 34px 0 40px;
    font-size: 13px;
    color: #8d857a;
    background: var(--bg);
  }

  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    justify-content: space-between;
    align-items: center;
  }

  .footer-inner a { color: #8d857a; }
  .footer-inner a:hover { color: var(--gold-deep); }

  .footer-line { line-height: 1.9; }

  /* ---------- Responsive ---------- */
  @media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero-visual { justify-content: flex-start; }
    .poster-card { max-width: 180px; }
    .poster-card img { height: 250px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .poster-wall { grid-template-columns: repeat(4, 1fr); }
    .update-layout { grid-template-columns: 1fr; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: 1fr; }
    .header-cta { display: none; }
    .nav { gap: 2px; }
  }

  @media (max-width: 768px) {
    .wrap { width: calc(100% - 32px); }
    section { padding: 48px 0; }
    .hero { padding: 44px 0 52px; }
    .header-inner { height: 60px; gap: 10px; }
    .brand img { height: 30px; }
    .brand-name { font-size: 16px; }
    .nav a { font-size: 13px; padding: 6px 9px; }
    .hero-actions .btn { flex: 1 1 auto; }
    .poster-card { max-width: 150px; }
    .poster-card img { height: 210px; }
    .poster-card:nth-child(2) { margin-top: 28px; }
    .feature-grid { grid-template-columns: 1fr; }
    .poster-wall { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .wall-item.wide { grid-column: span 2; }
    .wall-item img, .wall-item.wide img { height: 200px; }
    .steps { grid-template-columns: 1fr; }
    .cta-band { padding: 36px 24px; }
    .faq-q { padding: 16px 18px; font-size: 15px; }
    .faq-a { padding: 0 18px 16px; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  }