:root {
    --ink: #1c1424;
    --ink-soft: #4a3f57;
    --paper: #fdf9f2;
    --cream: #fff6e4;
    --mango: #ff8a3d;
    --berry: #e3446b;
    --grape: #7a4fd8;
    --leaf: #2fa97b;
    --sky: #eaf4ff;
    --sand: #f4ecd8;
    --line: rgba(28, 20, 36, 0.12);
    --shadow: 0 18px 40px -22px rgba(28, 20, 36, 0.45);
    --radius: 18px;
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

  h1, h2, h3, h4 { margin: 0; line-height: 1.3; }

  .wrap {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 0.16em;
    font-weight: 700;
    color: var(--berry);
    text-transform: uppercase;
  }

  .eyebrow::before {
    content: "";
    width: 22px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--mango), var(--berry));
  }

  .section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 30px;
  }

  .section-head h2 {
    font-size: clamp(24px, 3.4vw, 36px);
    letter-spacing: -0.01em;
  }

  .section-head p {
    margin: 8px 0 0;
    color: var(--ink-soft);
    max-width: 620px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    background: linear-gradient(120deg, var(--mango), var(--berry));
    color: #fff;
    box-shadow: 0 12px 24px -14px rgba(227, 68, 107, 0.9);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    text-align: center;
  }

  .btn:hover { transform: translateY(-2px); box-shadow: 0 18px 30px -16px rgba(227, 68, 107, 0.95); }

  .btn.ghost {
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink);
    border: 1px solid var(--line);
    box-shadow: none;
  }

  .btn.ghost:hover { background: #fff; }

  /* ---------- 首屏 ---------- */
  .hero {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 82% 12%, rgba(255, 138, 61, 0.28), transparent 46%),
      radial-gradient(circle at 8% 82%, rgba(122, 79, 216, 0.22), transparent 52%),
      linear-gradient(160deg, #1b1226 0%, #2a1839 46%, #3d1b34 100%);
    color: #fff;
    padding: 28px 0 0;
  }

  .hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 160px;
    background: linear-gradient(180deg, transparent, var(--paper));
    pointer-events: none;
    z-index: 3;
  }

  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
    z-index: 5;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.02em;
  }

  .brand img {
    height: 34px;
    width: 34px;
    border-radius: 9px;
    object-fit: cover;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
  }

  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
  }

  .nav-links a:hover { color: #fff; }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    align-items: center;
    padding: 46px 0 84px;
    position: relative;
    z-index: 4;
  }

  .hero-copy h1 {
    font-size: clamp(30px, 4.8vw, 52px);
    letter-spacing: -0.02em;
    margin: 14px 0 18px;
  }

  .hero-copy h1 em {
    font-style: normal;
    background: linear-gradient(100deg, #ffd36e, #ff8a3d 45%, #ff5f8c);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-lead {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.82);
    max-width: 520px;
    margin: 0 0 26px;
  }

  .hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 30px;
    padding: 0;
    list-style: none;
  }

  .hero-points li {
    font-size: 13px;
    padding: 6px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.9);
  }

  .device-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    max-width: 470px;
  }

  .device-btn {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 15px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--ink);
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: transform 0.18s ease, background 0.18s ease;
    min-height: 58px;
  }

  .device-btn:hover { transform: translateY(-2px); background: #fff; }

  .device-icon {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(140deg, var(--berry), var(--grape));
  }

  .device-btn span small {
    display: block;
    font-size: 11px;
    color: var(--ink-soft);
    line-height: 1.2;
  }

  .device-btn span b { font-size: 14px; line-height: 1.3; display: block; }

  .hero-stage {
    position: relative;
    display: flex;
    justify-content: center;
    gap: 16px;
    perspective: 1200px;
  }

  .poster-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px -28px rgba(0, 0, 0, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: #2a1839;
  }

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

  .poster-tall { width: 46%; max-width: 226px; transform: translateY(16px) rotate(-3.5deg); }
  .poster-mid { width: 52%; max-width: 256px; transform: rotate(2.5deg); z-index: 2; }

  .poster-tall img { aspect-ratio: 3 / 4.3; }
  .poster-mid img { aspect-ratio: 3 / 4.3; }

  .float-tag {
    position: absolute;
    left: -6px;
    bottom: 10%;
    z-index: 4;
    background: rgba(20, 12, 30, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(6px);
    padding: 9px 14px;
    border-radius: 12px;
    font-size: 12px;
    color: #ffe7c2;
  }

  /* 跑马灯 */
  .marquee {
    position: relative;
    z-index: 4;
    overflow: hidden;
    padding: 15px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(10, 6, 16, 0.35);
  }

  .marquee-track {
    display: flex;
    gap: 40px;
    width: max-content;
    animation: slide 34s linear infinite;
    white-space: nowrap;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.04em;
  }

  .marquee-track span {
    background: linear-gradient(96deg, #ffd36e, #ff8a3d 40%, #ff5f8c 70%, #b07bff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  @keyframes slide {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }

  /* ---------- 通用区块 ---------- */
  section { position: relative; }

  .band { padding: 74px 0; }

  .band.cream { background: var(--cream); }
  .band.sky { background: var(--sky); }
  .band.sand { background: var(--sand); }
  .band.mint { background: #e8f7f0; }
  .band.blush { background: #fdeaf0; }
  .band.paper { background: var(--paper); }
  .band.lilac { background: #f0ebfb; }

  /* 达人力荐 */
  .rec-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 38px;
    align-items: start;
  }

  .rec-side {
    position: sticky;
    top: 24px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #fff;
  }

  .rec-side img { width: 100%; aspect-ratio: 3 / 4.2; object-fit: cover; }

  .rec-side-cap {
    padding: 16px 18px 18px;
  }

  .rec-side-cap h3 { font-size: 18px; margin-bottom: 6px; }

  .rec-side-cap p { margin: 0; font-size: 13px; color: var(--ink-soft); }

  .rec-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .rec-item {
    background: #fff;
    border-radius: 16px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    transition: transform 0.2s ease, border-color 0.2s ease;
  }

  .rec-item:hover { transform: translateY(-3px); border-color: rgba(227, 68, 107, 0.45); }

  .rec-num {
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    color: var(--berry);
    letter-spacing: 0.08em;
    margin-bottom: 4px;
  }

  .rec-item h3 { font-size: 15px; margin-bottom: 4px; }

  .rec-item p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

  /* 周末解压局 */
  .relax-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .relax-card {
    border-radius: var(--radius);
    padding: 20px 18px;
    background: #fff;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 4px solid var(--mango);
  }

  .relax-card:nth-child(2), .relax-card:nth-child(6) { border-top-color: var(--grape); }
  .relax-card:nth-child(3), .relax-card:nth-child(7) { border-top-color: var(--leaf); }
  .relax-card:nth-child(4), .relax-card:nth-child(8) { border-top-color: var(--berry); }

  .relax-card h3 { font-size: 16px; }
  .relax-card p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

  .relax-time {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--mango);
  }

  /* 热搜同款库 */
  .hot-strip {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 4px 4px 20px;
    scroll-snap-type: x mandatory;
  }

  .hot-card {
    flex: 0 0 230px;
    scroll-snap-align: start;
    border-radius: var(--radius);
    overflow: hidden;
    background: #1d1428;
    color: #fff;
    box-shadow: var(--shadow);
  }

  .hot-card img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }

  .hot-body { padding: 14px 15px 16px; }

  .hot-body h3 { font-size: 15px; margin-bottom: 6px; }

  .hot-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }

  .hot-tags b {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffd9a8;
  }

  .hot-body p { margin: 0; font-size: 12.5px; color: rgba(255, 255, 255, 0.7); }

  .hot-date { display: block; margin-top: 8px; font-size: 11.5px; color: rgba(255, 255, 255, 0.5); }

  /* 脑洞二创坊 + 吐槽发射台 */
  .split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: start;
  }

  .idea-board {
    background: #fff;
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
  }

  .idea-board h3 { font-size: 20px; margin-bottom: 6px; }

  .idea-board > p { margin: 0 0 18px; font-size: 14px; color: var(--ink-soft); }

  .idea-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
  }

  .idea-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--cream);
    font-size: 13.5px;
    color: var(--ink-soft);
  }

  .idea-list strong { color: var(--ink); }

  .idea-index {
    flex: 0 0 24px;
    height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 11.5px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(140deg, var(--grape), var(--berry));
  }

  .roast-wall {
    display: grid;
    gap: 14px;
  }

  .roast-item {
    background: #fff;
    border-radius: 16px;
    padding: 16px 18px;
    border-left: 4px solid var(--berry);
    box-shadow: 0 10px 24px -20px rgba(28, 20, 36, 0.6);
    font-size: 13.5px;
    color: var(--ink-soft);
  }

  .roast-item b { display: block; color: var(--ink); font-size: 14px; margin-bottom: 2px; }

  /* 每日金句墙 */
  .quote-wall {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .quote-card {
    border-radius: 16px;
    padding: 20px;
    background: linear-gradient(150deg, #fff, #fff7ea);
    border: 1px solid rgba(255, 138, 61, 0.22);
    font-size: 14px;
    color: var(--ink-soft);
    position: relative;
  }

  .quote-card::before {
    content: "“";
    position: absolute;
    top: 2px;
    left: 12px;
    font-size: 40px;
    line-height: 1;
    color: rgba(255, 138, 61, 0.35);
    font-family: Georgia, serif;
  }

  .quote-card p { margin: 10px 0 0; }
  .quote-card cite { display: block; margin-top: 10px; font-size: 12px; color: var(--mango); font-style: normal; }

  /* 排片时间轴 */
  .timeline-band { background: linear-gradient(160deg, #1c1424, #331a2c); color: #fff; }

  .timeline-band .section-head h2 { color: #fff; }
  .timeline-band .section-head p { color: rgba(255, 255, 255, 0.68); }

  .timeline {
    list-style: none;
    margin: 0;
    padding: 0 0 0 26px;
    border-left: 2px dashed rgba(255, 255, 255, 0.24);
    display: grid;
    gap: 22px;
  }

  .timeline li { position: relative; }

  .timeline li::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(140deg, var(--mango), var(--berry));
    box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.18);
  }

  .timeline time {
    font-size: 13px;
    font-weight: 800;
    color: #ffd36e;
    letter-spacing: 0.08em;
  }

  .timeline h3 { font-size: 17px; margin: 3px 0 4px; color: #fff; }
  .timeline p { margin: 0; font-size: 13.5px; color: rgba(255, 255, 255, 0.66); max-width: 640px; }

  /* 隐私安全 */
  .safety-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .safety-card {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    border: 1px solid rgba(47, 169, 123, 0.25);
    display: flex;
    gap: 14px;
    align-items: flex-start;
  }

  .safety-check {
    flex: 0 0 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(47, 169, 123, 0.14);
    color: var(--leaf);
    font-weight: 800;
    font-size: 14px;
  }

  .safety-card h3 { font-size: 15.5px; margin-bottom: 3px; }
  .safety-card p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

  /* 常见问题 */
  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .faq-item {
    background: #fff;
    border-radius: 14px;
    padding: 18px 20px;
    border: 1px solid var(--line);
  }

  .faq-item h3 { font-size: 15px; margin-bottom: 6px; color: var(--ink); }
  .faq-item h3 span { color: var(--berry); margin-right: 6px; }
  .faq-item p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

  /* 截图墙 */
  .shot-wall {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
  }

  .shot-wall figure {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    background: #e8e0d2;
    aspect-ratio: 3 / 4;
  }

  .shot-wall img { width: 100%; height: 100%; object-fit: cover; }

  /* 下载区 */
  .download-band {
    background:
      radial-gradient(circle at 84% 18%, rgba(255, 138, 61, 0.3), transparent 44%),
      radial-gradient(circle at 10% 88%, rgba(122, 79, 216, 0.28), transparent 50%),
      linear-gradient(150deg, #1b1226, #341a2f 60%, #3f1d2c);
    color: #fff;
  }

  .download-band .section-head h2 { color: #fff; }
  .download-band .section-head p { color: rgba(255, 255, 255, 0.7); }

  .steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 32px;
    list-style: none;
    padding: 0;
  }

  .steps li {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    padding: 16px 16px 18px;
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.78);
  }

  .steps b {
    display: block;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: #ffd36e;
    margin-bottom: 6px;
  }

  .download-panel {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .dl-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 14px;
    background: #fff;
    color: var(--ink);
    transition: transform 0.18s ease;
    min-height: 68px;
  }

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

  .dl-btn .device-icon { background: linear-gradient(140deg, var(--mango), var(--berry)); }

  .dl-btn small { display: block; font-size: 11px; color: var(--ink-soft); line-height: 1.2; }
  .dl-btn b { font-size: 14.5px; display: block; }

  /* 页脚 */
  footer {
    background: #17101f;
    color: rgba(255, 255, 255, 0.56);
    padding: 44px 0 96px;
    font-size: 12.5px;
  }

  .foot-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; color: #fff; font-weight: 700; font-size: 15px; }
  .foot-brand img { height: 28px; width: 28px; border-radius: 8px; object-fit: cover; }

  .foot-top p { margin: 0; max-width: 380px; line-height: 1.7; }

  .foot-col h4 { font-size: 13px; color: rgba(255, 255, 255, 0.85); margin-bottom: 10px; }
  .foot-col a { display: block; padding: 3px 0; }
  .foot-col a:hover { color: #fff; }

  .foot-bottom {
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    align-items: center;
    justify-content: space-between;
  }

  .foot-bottom a { color: rgba(255, 255, 255, 0.66); }
  .foot-bottom a:hover { color: #fff; }

  /* 浮动下载 */
  .float-download {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px 8px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 34px -14px rgba(28, 20, 36, 0.55);
    border: 1px solid rgba(28, 20, 36, 0.08);
    max-width: calc(100% - 32px);
  }

  .float-download img {
    height: 32px;
    width: 32px;
    border-radius: 9px;
    object-fit: cover;
  }

  .float-download span {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
    white-space: nowrap;
  }

  .float-download .btn { padding: 9px 16px; font-size: 13px; white-space: nowrap; }

  /* 复制提示弹层 */
  .copy-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: none;
    place-items: center;
    padding: 20px;
    background: rgba(16, 10, 24, 0.6);
  }

  .copy-modal.open { display: grid; }

  .copy-box {
    width: 100%;
    max-width: 360px;
    background: #fff;
    border-radius: 18px;
    padding: 24px 22px;
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
    color: var(--ink);
  }

  .copy-box h3 { font-size: 16px; margin-bottom: 8px; }
  .copy-box p { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 14px; }

  .copy-url {
    font-size: 12.5px;
    word-break: break-all;
    background: var(--cream);
    border: 1px dashed rgba(255, 138, 61, 0.5);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 16px;
    color: var(--ink);
  }

  .copy-actions { display: flex; gap: 10px; }
  .copy-actions .btn { flex: 1; }

  /* 折叠面板（移动端） */
  .fold-toggle { display: none; }

  @media (max-width: 1023px) {
    .hero-grid { grid-template-columns: 1fr; gap: 34px; padding: 34px 0 70px; }
    .hero-stage { max-width: 480px; margin: 0 auto; }
    .rec-layout { grid-template-columns: 240px 1fr; gap: 26px; }
    .relax-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .shot-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .steps, .download-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .foot-top { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 767px) {
    .wrap { padding: 0 16px; }
    .band { padding: 52px 0; }
    .nav-links { display: none; }
    .hero-copy h1 { font-size: 30px; }
    .device-grid { grid-template-columns: 1fr; max-width: 100%; }
    .hero-lead { font-size: 15px; }
    .poster-tall { width: 48%; }
    .poster-mid { width: 50%; }
    .float-tag { font-size: 11px; left: 0; }

    .section-head { margin-bottom: 22px; }
    .section-head h2 { font-size: 23px; }

    .rec-layout { grid-template-columns: 1fr; gap: 20px; }
    .rec-side { position: static; max-width: 320px; }
    .rec-list { grid-template-columns: 1fr; }

    .relax-grid { grid-template-columns: 1fr; }
    .quote-wall { grid-template-columns: 1fr; }
    .split { grid-template-columns: 1fr; gap: 22px; }
    .safety-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .shot-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
    .steps, .download-panel { grid-template-columns: 1fr; }

    .foot-top { grid-template-columns: 1fr; gap: 22px; }
    .foot-bottom { flex-direction: column; align-items: flex-start; }

    .float-download { gap: 8px; padding: 7px 8px; bottom: 14px; }
    .float-download span { font-size: 12px; }
    .float-download .btn { padding: 8px 13px; font-size: 12.5px; }

    /* 手机端折叠 */
    .fold-toggle {
      display: block;
      width: calc(100% - 32px);
      margin: 0 auto 16px;
      padding: 12px 16px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: #fff;
      font-size: 14px;
      font-weight: 700;
      color: var(--ink);
      text-align: left;
      cursor: pointer;
      box-shadow: 0 8px 20px -16px rgba(28, 20, 36, 0.5);
    }

    .fold-toggle::after { content: "＋"; float: right; color: var(--berry); }

    .fold-toggle[aria-expanded="true"]::after { content: "－"; }

    .fold-body { display: none; }
    .fold-body.open { display: block; }
  }

  @media (max-width: 380px) {
    .hero-copy h1 { font-size: 26px; }
    .float-download span { display: none; }
  }