/* ==========================================================================
   云朵影视 · 影视 APP 站样式
   浅色清新 + 翡翠绿 #00b386 · 海报墙 / 焦点图 / 内容行 / 排行榜
   ========================================================================== */

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .3s ease, color .3s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul,ol { list-style: none; }
h1,h2,h3,h4 { font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
::-webkit-scrollbar { height: 8px; width: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Design Tokens ---------- */
:root {
  --primary: #00b386;
  --primary-hover: #009975;
  --primary-soft: #e3f6f0;
  --primary-deep: #0a5c49;

  --bg: #f4f5f7;
  --bg-card: #ffffff;
  --bg-soft: #eceef2;
  --text: #0f1419;
  --text-secondary: #4a5568;
  --text-muted: #8b95a5;
  --border: #e8eaef;
  --border-strong: #d3d7df;
  --shadow-sm: 0 2px 8px rgba(15, 20, 25, .05);
  --shadow-md: 0 10px 30px rgba(15, 20, 25, .08);
  --shadow-lg: 0 24px 60px rgba(15, 20, 25, .12);
  --shadow-primary: 0 12px 32px rgba(0, 179, 134, .28);

  --hero-bg: #0d1418;
  --hero-text: #f2f6f5;

  --accent: #ff8a3d;
  --star: #ffb400;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px; --space-9: 96px;

  --radius-sm: 8px; --radius-md: 14px; --radius-lg: 20px; --radius-xl: 28px; --radius-full: 999px;

  --fs-xs: 12px; --fs-sm: 14px; --fs-base: 16px; --fs-lg: 18px; --fs-xl: 22px;
  --fs-2xl: 28px; --fs-3xl: 36px; --fs-4xl: 48px; --fs-5xl: 60px;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur: .28s;
}

[data-theme="dark"] {
  --primary: #2ed0a3;
  --primary-hover: #53dab4;
  --primary-soft: rgba(46, 208, 163, .16);
  --primary-deep: #7fe8c8;

  --bg: #0b0f14;
  --bg-card: #141a21;
  --bg-soft: #1a212b;
  --text: #f1f4fa;
  --text-secondary: #a9b2c2;
  --text-muted: #6e7689;
  --border: #1e2630;
  --border-strong: #2b3542;

  --hero-bg: #0d1418;
  --hero-text: #f2f6f5;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--space-5); }
.section { padding: var(--space-8) 0; }
.section-head { max-width: 720px; margin-bottom: var(--space-7); }
.section-head h2 { font-size: var(--fs-3xl); margin-bottom: var(--space-3); letter-spacing: -0.02em; }
.section-head p { font-size: var(--fs-lg); color: var(--text-secondary); }

/* Row header（内容行标题 + 更多入口） */
.row-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: var(--space-4);
}
.row-head h2 { font-size: var(--fs-xl); letter-spacing: -0.01em; }
.row-head .more { font-size: var(--fs-sm); color: var(--text-muted); transition: color var(--dur) var(--ease); }
.row-head .more:hover { color: var(--primary); }
.row-head .row-dot { display: inline-block; width: 4px; height: 18px; border-radius: 4px; background: var(--primary); margin-right: var(--space-3); vertical-align: -3px; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background .3s ease;
}
[data-theme="dark"] .navbar { background: rgba(11, 15, 20, .88); }
.nav-inner { display: flex; align-items: center; height: 68px; gap: var(--space-5); }
.brand { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; font-size: var(--fs-xl); letter-spacing: -0.02em; flex-shrink: 0; }
.brand-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: cover; }
.nav-search {
  flex: 1; max-width: 420px; margin: 0 auto;
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--bg-soft); border: 1px solid transparent;
  border-radius: var(--radius-full); padding: 8px var(--space-5);
  color: var(--text-muted);
  transition: all var(--dur) var(--ease);
}
.nav-search:focus-within { background: var(--bg-card); border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.nav-search input { flex: 1; border: none; background: none; outline: none; font: inherit; color: var(--text); font-size: var(--fs-sm); }
.nav-search input::placeholder { color: var(--text-muted); }
.nav-links { display: flex; align-items: center; gap: var(--space-1); flex-shrink: 0; }
.nav-links a {
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  font-size: var(--fs-sm); font-weight: 500; color: var(--text-secondary);
  transition: all var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--text); background: var(--bg-soft); }
.nav-links a.active { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.nav-download {
  padding: 8px var(--space-5); border-radius: var(--radius-full);
  background: var(--primary); color: #fff; font-size: var(--fs-sm); font-weight: 600;
  transition: all var(--dur) var(--ease);
  box-shadow: var(--shadow-primary);
}
.nav-download:hover { background: var(--primary-hover); transform: translateY(-1px); }
.theme-toggle, .menu-btn {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  display: grid; place-items: center; color: var(--text-secondary);
  transition: all var(--dur) var(--ease);
}
.theme-toggle:hover, .menu-btn:hover { background: var(--bg-soft); color: var(--text); }
.theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon { display: none; }
.menu-btn { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 12px var(--space-6); border-radius: var(--radius-full);
  font-size: var(--fs-base); font-weight: 600;
  transition: all var(--dur) var(--ease);
  border: none; cursor: pointer; white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border-strong); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.25); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,.2); transform: translateY(-2px); }
.btn-lg { padding: 14px var(--space-7); font-size: var(--fs-base); }
.btn-sm { padding: 8px var(--space-4); font-size: var(--fs-sm); }

/* ---------- Hero / 焦点图 ---------- */
.hero {
  background: var(--hero-bg);
  color: var(--hero-text);
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0;
}
[data-theme="dark"] .hero { border-bottom: 1px solid var(--border); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 78% 20%, rgba(0, 179, 134, .32) 0%, transparent 60%),
    radial-gradient(40% 60% at 12% 88%, rgba(0, 179, 134, .18) 0%, transparent 55%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: var(--space-8); align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-sm); font-weight: 600; letter-spacing: .08em;
  color: var(--primary); text-transform: uppercase;
  padding: 6px var(--space-4); border-radius: var(--radius-full);
  background: rgba(0, 179, 134, .12); border: 1px solid rgba(0, 179, 134, .3);
  margin-bottom: var(--space-5);
}
.hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.12; letter-spacing: -0.03em; margin-bottom: var(--space-5); }
.hero h1 .accent { color: var(--primary); }
.hero-sub { font-size: var(--fs-lg); color: rgba(242, 246, 245, .78); max-width: 540px; line-height: 1.8; margin-bottom: var(--space-6); }
.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-7); }
.hero-mini {
  display: flex; gap: var(--space-7); flex-wrap: wrap;
  padding-top: var(--space-6); border-top: 1px solid rgba(255,255,255,.14);
}
.hero-mini .num { font-size: var(--fs-2xl); font-weight: 700; color: #fff; letter-spacing: -0.02em; }
.hero-mini .label { font-size: var(--fs-sm); color: rgba(242, 246, 245, .6); }

/* Hero 右侧 · APP 双手机展示 */
.hero-phones {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: var(--space-3);
}
.hero-phone-main { width: 272px; transform: rotate(-2deg); z-index: 2; }
.hero-phone-sub {
  width: 214px;
  margin: 56px 0 0 -34px;
  transform: rotate(3deg);
  z-index: 1;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}
.hero-phone-main .phone-screen { aspect-ratio: 9 / 19.5; }
.hero-phone-sub .phone-screen { aspect-ratio: 9 / 19.5; }
.hero-phone-main .phone-screen img,
.hero-phone-sub .phone-screen img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top;
}
@media (max-width: 960px) {
  .hero-phones { max-width: 460px; margin: 0 auto; }
}

/* ---------- 海报卡 ---------- */
.poster-row {
  display: grid; grid-auto-flow: column; grid-auto-columns: 168px;
  gap: var(--space-4); overflow-x: auto; padding: var(--space-2) 2px var(--space-5);
  scroll-snap-type: x mandatory;
}
.poster { scroll-snap-align: start; position: relative; border-radius: var(--radius-md); overflow: hidden; cursor: pointer; aspect-ratio: 2/3; box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.poster:hover { transform: translateY(-8px) scale(1.03); box-shadow: var(--shadow-md); z-index: 2; }
.poster .poster-bg { position: absolute; inset: 0; }
.poster .poster-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5, 10, 12, .82) 0%, rgba(5, 10, 12, .15) 45%, rgba(5,10,12,.1) 100%);
}
.poster .p-tag {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  font-size: 10px; font-weight: 600; letter-spacing: .04em;
  padding: 3px 8px; border-radius: var(--radius-full);
  background: rgba(255,255,255,.9); color: #0f1419;
}
.poster .p-score {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  display: inline-flex; align-items: center; gap: 3px;
  font-size: var(--fs-sm); font-weight: 700; color: #fff;
  padding: 3px 8px; border-radius: var(--radius-full);
  background: rgba(0, 179, 134, .92);
}
.poster .p-play {
  position: absolute; inset: 0; z-index: 3;
  display: grid; place-items: center;
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.poster:hover .p-play { opacity: 1; }
.poster .p-play span {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(0, 179, 134, .9); color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
  transition: transform var(--dur) var(--ease);
}
.poster:hover .p-play span { transform: scale(1.08); }
.poster .p-meta {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: var(--space-3) var(--space-3) var(--space-3);
}
.poster .p-title { font-size: var(--fs-sm); font-weight: 700; color: #fff; letter-spacing: -0.01em; line-height: 1.35; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.poster .p-sub { font-size: var(--fs-xs); color: rgba(255,255,255,.72); }

/* ---------- 排行榜 ---------- */
.rank-list { display: flex; flex-direction: column; }
.rank-item {
  display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--dur) var(--ease);
}
.rank-item:hover { background: var(--bg-soft); }
.rank-item .r-num { font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.04em; color: var(--border-strong); font-style: italic; }
.rank-item:nth-child(-n+3) .r-num { color: var(--primary); }
.rank-item .r-name { font-weight: 600; font-size: var(--fs-base); }
.rank-item .r-cat { font-size: var(--fs-xs); color: var(--text-muted); }
.rank-item .r-score { font-size: var(--fs-sm); font-weight: 700; color: var(--text-secondary); }
.rank-item .r-score em { font-style: normal; color: var(--star); margin-right: 2px; }

/* ---------- 功能/模块卡片（影视化） ---------- */
.mod-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  transition: all var(--dur) var(--ease);
  position: relative; overflow: hidden;
}
.mod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.mod-card .mc-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--space-4); }
.mod-card .mc-icon { width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.mod-card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.mod-card p { font-size: var(--fs-sm); color: var(--text-secondary); line-height: 1.7; }
.mod-card .mc-count { font-size: var(--fs-xs); color: var(--text-muted); }

/* ---------- 数据条 ---------- */
.stats-strip {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); text-align: center; }
.stat-item .num { font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.02em; color: var(--text); }
.stat-item .num em { font-style: normal; color: var(--primary); }
.stat-item .label { font-size: var(--fs-sm); color: var(--text-muted); margin-top: 2px; }

/* ---------- 评价 ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.quote-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-4);
  transition: all var(--dur) var(--ease);
}
.quote-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.quote-mark { font-size: 48px; line-height: .6; color: var(--primary); font-weight: 700; }
.quote-card p { font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.75; flex: 1; }
.quote-author { display: flex; align-items: center; gap: var(--space-3); }
.quote-author .avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-weight: 700; display: grid; place-items: center; }
.quote-author .name { font-weight: 600; font-size: var(--fs-sm); }
.quote-author .role { font-size: var(--fs-xs); color: var(--text-muted); }

/* ---------- 下载卡片 ---------- */
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.dl-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: var(--space-7); position: relative; overflow: hidden;
  transition: all var(--dur) var(--ease);
}
.dl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.dl-card.primary { background: linear-gradient(135deg, #0d1418 0%, #12352c 100%); border: none; color: #fff; }
.dl-card.primary::before {
  content: ""; position: absolute; top: -120px; right: -120px; width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(0,179,134,.35) 0%, transparent 65%); pointer-events: none;
}
.dl-card .dl-head { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-5); position: relative; }
.dl-icon { width: 60px; height: 60px; border-radius: var(--radius-md); background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.dl-card.primary .dl-icon { background: rgba(255,255,255,.12); color: var(--primary); }
.dl-card h3 { font-size: var(--fs-2xl); margin-bottom: 2px; }
.dl-card .dl-sub { font-size: var(--fs-sm); opacity: .75; }
.dl-card.primary .dl-sub { color: rgba(242,246,245,.7); }
.dl-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: var(--space-4); padding: var(--space-5) 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: var(--space-5); position: relative; }
.dl-card.primary .dl-meta { border-color: rgba(255,255,255,.14); }
.meta-label { font-size: var(--fs-xs); color: var(--text-muted); margin-bottom: 2px; }
.dl-card.primary .meta-label { color: rgba(242,246,245,.55); }
.meta-value { font-size: var(--fs-base); font-weight: 700; }
.dl-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; position: relative; }

/* ---------- 安装指引 tabs ---------- */
.tutorial-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-bottom: var(--space-5); }
.tutorial-tab {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md);
  font-weight: 600; text-align: left; width: 100%;
  transition: all var(--dur) var(--ease);
}
.tutorial-tab .tab-brand { display: block; font-size: var(--fs-base); font-weight: 700; letter-spacing: -0.01em; }
.tutorial-tab .tab-os { display: block; font-size: var(--fs-xs); font-weight: 500; color: var(--text-muted); margin-top: 2px; }
.tutorial-tab:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.tutorial-tab .arrow { color: var(--text-muted); flex-shrink: 0; transition: all var(--dur) var(--ease); }
.tutorial-tab:hover .arrow { color: var(--primary); transform: translateX(3px); }
.tutorial-note { font-size: var(--fs-sm); color: var(--text-secondary); border-left: 2px solid var(--primary); padding-left: var(--space-4); line-height: 1.7; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(10, 14, 18, .6);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: none; align-items: flex-start; justify-content: center; z-index: 200;
  padding: var(--space-6); overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal-card { background: var(--bg-card); border-radius: var(--radius-lg); width: 100%; max-width: 560px; padding: var(--space-7); position: relative; margin: var(--space-6) auto; box-shadow: var(--shadow-lg); animation: modalIn .28s var(--ease); }
@keyframes modalIn { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-card .modal-head { display: flex; align-items: flex-start; justify-content: space-between; padding-bottom: var(--space-5); margin-bottom: var(--space-5); border-bottom: 1px solid var(--border); }
.modal-card .modal-title { font-size: var(--fs-xl); font-weight: 700; letter-spacing: -0.01em; }
.modal-card .modal-sub { font-size: var(--fs-xs); color: var(--primary); text-transform: uppercase; letter-spacing: .15em; margin-bottom: 4px; font-weight: 600; }
.modal-close { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: var(--text-secondary); background: var(--bg-soft); transition: all var(--dur) var(--ease); }
.modal-close:hover { background: var(--primary-soft); color: var(--primary); }
.step-list { display: flex; flex-direction: column; }
.step-item { display: grid; grid-template-columns: 52px 1fr; gap: var(--space-4); padding: var(--space-5) 0; border-bottom: 1px solid var(--border); }
.step-item:last-child { border-bottom: none; }
.step-item .step-num { font-size: var(--fs-3xl); font-weight: 800; color: var(--primary); line-height: 1; letter-spacing: -0.04em; }
.step-item .step-title { font-size: var(--fs-base); font-weight: 700; margin-bottom: var(--space-2); letter-spacing: -0.01em; }
.step-item .step-desc { font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.7; }
.step-item .path { display: inline-block; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: var(--fs-sm); background: var(--bg-soft); color: var(--text); padding: 2px 10px; border-radius: var(--radius-sm); margin: 4px 2px; border: 1px solid var(--border); }
.step-item .path-arrow { display: inline-block; color: var(--text-muted); margin: 0 2px; }
.step-item .step-note { margin-top: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--bg-soft); border-radius: var(--radius-sm); font-size: var(--fs-sm); color: var(--text-secondary); line-height: 1.6; }

/* ---------- iOS 入口 ---------- */
.ios-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding: var(--space-6);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
}
.ios-entry p { font-size: var(--fs-sm); color: var(--text-muted); }

/* ---------- 网页端链接列表 ---------- */
.web-links { display: flex; flex-direction: column; gap: var(--space-3); }
.web-links a {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: var(--fs-base); font-weight: 500; color: var(--primary-deep);
  transition: all var(--dur) var(--ease);
}
[data-theme="dark"] .web-links a { color: var(--primary); }
.web-links a::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary); flex-shrink: 0;
}
.web-links a:hover { border-color: var(--primary); background: var(--primary-soft); transform: translateX(3px); }

/* ---------- Changelog ---------- */
.changelog { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); }
.changelog h4 { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-lg); margin-bottom: var(--space-4); padding-bottom: var(--space-3); border-bottom: 1px solid var(--border); }
.changelog-icon { width: 32px; height: 32px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); border-radius: var(--radius-sm); flex-shrink: 0; }
.changelog ul { display: flex; flex-direction: column; gap: var(--space-3); }
.changelog li { position: relative; padding-left: var(--space-5); font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.7; }
.changelog li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 1px; background: var(--primary); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--dur) var(--ease); }
.faq-item:hover { border-color: var(--border-strong); }
.faq-item summary {
  padding: var(--space-4) var(--space-5); font-weight: 600; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; width: 10px; height: 10px; flex-shrink: 0;
  border-right: 2px solid var(--text-muted); border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg) translateY(-3px); transition: transform var(--dur) var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq-item p { padding: 0 var(--space-5) var(--space-4); font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.75; }

/* ---------- 介绍页模块 ---------- */
.intro-hero { padding: var(--space-8) 0 var(--space-7); }
.intro-hero h1 { font-size: clamp(30px, 4.4vw, 48px); letter-spacing: -0.03em; margin-bottom: var(--space-4); }
.intro-hero p { font-size: var(--fs-lg); color: var(--text-secondary); max-width: 640px; line-height: 1.8; }
.module-detail { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-7); align-items: center; padding: var(--space-7) 0; border-bottom: 1px solid var(--border); }
.module-detail.reverse .module-visual { order: -1; }
.module-detail .lede { font-size: var(--fs-lg); color: var(--text-secondary); line-height: 1.8; margin: var(--space-4) 0 var(--space-5); }
.feature-list { display: flex; flex-direction: column; gap: var(--space-3); }
.feature-list li { display: flex; gap: var(--space-3); font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.6; }
.feature-list .check { width: 20px; height: 20px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; }
.module-visual .poster-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.tag { display: inline-block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 5px 12px; border-radius: var(--radius-full); background: var(--primary-soft); color: var(--primary); }
.player-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: var(--space-8); align-items: center; }
.player-features { display: flex; flex-direction: column; gap: var(--space-4); }
.player-feature { display: flex; gap: var(--space-4); align-items: flex-start; padding: var(--space-5); background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); transition: all var(--dur) var(--ease); }
.player-feature:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.player-feature .icon-box { width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.player-feature h5 { font-size: var(--fs-base); margin-bottom: 4px; }
.player-feature p { font-size: var(--fs-sm); color: var(--text-secondary); line-height: 1.7; }

/* 手机框架 */
.phone-stage { display: flex; justify-content: center; }
.phone-frame {
  width: 300px; border-radius: 36px; padding: 10px;
  background: #0d1418; box-shadow: 0 30px 80px rgba(15, 20, 25, .35);
  position: relative;
}
.phone-frame-sm { width: 260px; border-radius: 30px; padding: 8px; background: #0d1418; box-shadow: 0 24px 60px rgba(15,20,25,.3); position: relative; }
.phone-notch { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); width: 90px; height: 18px; background: #0d1418; border-radius: var(--radius-full); z-index: 2; }
.phone-screen { border-radius: 26px; overflow: hidden; background: #fff; }
.phone-frame-sm .phone-screen { border-radius: 22px; }

/* ---------- 关于页 ---------- */
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.mission-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); transition: all var(--dur) var(--ease); }
.mission-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.icon-circle { width: 52px; height: 52px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: var(--space-4); }
.mission-card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.mission-card p { font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.75; }
.timeline { max-width: 680px; position: relative; padding-left: var(--space-6); }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--border-strong); border-radius: 2px; }
.timeline-item { position: relative; padding: 0 0 var(--space-6) var(--space-6); }
.timeline-item::before { content: ""; position: absolute; left: -26px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg-card); border: 3px solid var(--primary); }
.timeline-item .year { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .08em; color: var(--primary); text-transform: uppercase; margin-bottom: 4px; }
.timeline-item h4 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.timeline-item p { font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.7; }
.contact-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.contact-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); text-align: center; transition: all var(--dur) var(--ease); }
.contact-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.contact-icon { width: 48px; height: 48px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin: 0 auto var(--space-4); }
.contact-card h4 { margin-bottom: var(--space-2); }
.contact-card p { font-size: var(--fs-sm); color: var(--text-secondary); }

/* ---------- CTA 大色块 ---------- */
.cta-block {
  background: linear-gradient(135deg, #0d1418 0%, #12352c 60%, #0f3d31 100%);
  border-radius: var(--radius-xl); padding: var(--space-9) var(--space-5);
  color: #fff; text-align: center; position: relative; overflow: hidden;
}
.cta-block::before {
  content: ""; position: absolute; top: -100px; left: -80px; width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(0,179,134,.35) 0%, transparent 65%);
}
.cta-block::after {
  content: ""; position: absolute; bottom: -120px; right: -60px; width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(0,179,134,.25) 0%, transparent 65%);
}
.cta-block > * { position: relative; z-index: 1; }
.cta-block h2 { font-size: clamp(26px, 3.6vw, 40px); letter-spacing: -0.02em; margin: var(--space-4) 0; }
.cta-block p { font-size: var(--fs-lg); opacity: .85; max-width: 560px; margin: 0 auto var(--space-6); }

/* ---------- Legal 政策文档 ---------- */
.legal-page { max-width: 800px; margin: 0 auto; padding: var(--space-8) 0 var(--space-9); }
.legal-head { padding-bottom: var(--space-6); margin-bottom: var(--space-7); border-bottom: 1px solid var(--border); }
.legal-head h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; margin-bottom: var(--space-3); }
.legal-head .legal-desc { font-size: var(--fs-lg); color: var(--text-secondary); line-height: 1.7; }
.legal-meta { display: flex; gap: var(--space-5); flex-wrap: wrap; margin-top: var(--space-4); font-size: var(--fs-sm); color: var(--text-muted); }
.legal-meta span b { color: var(--text); font-weight: 600; }
.legal-body h2 {
  font-size: var(--fs-xl); margin: var(--space-7) 0 var(--space-4);
  padding-top: var(--space-6); border-top: 1px solid var(--border);
  letter-spacing: -0.01em;
}
.legal-body h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.legal-body p, .legal-body li { font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.85; }
.legal-body p { margin-bottom: var(--space-4); }
.legal-body ol { padding-left: 1.5em; margin-bottom: var(--space-4); list-style: decimal; }
.legal-body ol li { margin-bottom: var(--space-2); }
.legal-body .highlight { color: var(--text); font-weight: 500; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-card); margin-top: var(--space-9); padding-top: var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-7); padding-bottom: var(--space-7); }
.footer-brand p { font-size: var(--fs-sm); color: var(--text-secondary); margin-top: var(--space-3); max-width: 300px; line-height: 1.7; }
.footer-col h5 { font-size: var(--fs-sm); margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { font-size: var(--fs-sm); color: var(--text-secondary); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3);
  border-top: 1px solid var(--border); padding: var(--space-5) 0; font-size: var(--fs-sm); color: var(--text-muted);
}
.footer-bottom .links { display: flex; gap: var(--space-5); }
.footer-bottom a:hover { color: var(--primary); }

/* ---------- 友情链接 ---------- */
.footer-friends {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
  font-size: var(--fs-sm);
}
.footer-friends .ff-label { color: var(--text-muted); flex-shrink: 0; margin-right: var(--space-2); }
.footer-friends a { color: var(--text-secondary); transition: color var(--dur) var(--ease); }
.footer-friends a:hover { color: var(--primary); }
.footer-friends .ff-dot { color: var(--border-strong); }

/* ---------- 统计表格 ---------- */
.stats-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.stats-table th {
  text-align: left; padding: var(--space-3) var(--space-4);
  color: var(--text-muted); font-weight: 600; font-size: var(--fs-xs);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.stats-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary); white-space: nowrap;
}
.stats-table tr:last-child td { border-bottom: none; }
.stats-table tbody tr:hover td { background: var(--bg-soft); }
.stats-table td:first-child { color: var(--text); font-weight: 500; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .poster-show { max-width: 480px; margin: 0 auto; }
  .module-detail { grid-template-columns: 1fr; }
  .module-detail.reverse .module-visual { order: 0; }
  .player-grid { grid-template-columns: 1fr; }
  .quote-grid, .mission-grid, .contact-list { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-search { display: none; }
  .nav-download { display: none; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: var(--bg-card); padding: var(--space-4);
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: var(--space-3) var(--space-4); }
  .menu-btn { display: grid; }
  .tutorial-tabs { grid-template-columns: 1fr 1fr; }
  .modal-card { padding: var(--space-5); }
  .step-item { grid-template-columns: 40px 1fr; gap: var(--space-3); }
  .step-item .step-num { font-size: var(--fs-2xl); }
  .hero { padding: var(--space-7) 0; }
  .hero-cta .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}