/* ==========================================================================
   料镜 LiaoJing · 中文视频社区 — 设计系统
   1 变量 / 2 重置 / 3 布局 / 4 文字 / 5 按钮 / 6 导航 / 7 卡片 / 8 Hero /
   9 跑马灯 / 10 视频卡 / 11 榜单 / 12 话题列表 / 13 数据特性 / 14 评价 /
   15 CTA下载 / 16 FAQ / 17 弹层提示 / 18 页脚 / 19 内页页头 / 20 分页 /
   21 滚动动画 / 22 响应式 / 23 附加组件
   ========================================================================== */

/* ---------- 1 设计变量 ---------- */
:root {
  /* 品牌色 3 档 */
  --brand-1: #4c6fff;
  --brand-2: #8b5cf6;
  --brand-3: #00c9a7;
  --brand-1-soft: #eef2ff;
  --brand-2-soft: #f4effe;
  --brand-3-soft: #e6faf5;

  /* 点缀色 4 个 */
  --pop-pink: #ff6fa5;
  --pop-amber: #ffc24b;
  --pop-sky: #5ad8ff;
  --pop-lime: #c6f24e;

  /* 中性色 8 */
  --ink: #0e1222;
  --ink-2: #2a3350;
  --ink-3: #5a6485;
  --muted: #8a93ad;
  --line: #e7eaf3;
  --line-2: #f1f3f9;
  --bg: #f6f8fc;
  --white: #ffffff;

  /* 3 组渐变 */
  --g-brand: linear-gradient(135deg, #4c6fff 0%, #8b5cf6 100%);
  --g-mint: linear-gradient(135deg, #00c9a7 0%, #4c6fff 100%);
  --g-warm: linear-gradient(135deg, #ff6fa5 0%, #ffc24b 100%);
  --g-dark: linear-gradient(140deg, #131a33 0%, #232c52 55%, #2f3a6b 100%);

  /* 6 档圆角 */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-full: 999px;

  /* 5 档阴影 */
  --sh-1: 0 1px 2px rgba(16, 24, 64, .05);
  --sh-2: 0 4px 14px rgba(16, 24, 64, .07);
  --sh-3: 0 12px 30px rgba(16, 24, 64, .09);
  --sh-4: 0 22px 50px rgba(16, 24, 64, .13);
  --sh-brand: 0 14px 32px rgba(76, 111, 255, .28);

  /* 流式字号 */
  --fs-hero: clamp(2.1rem, 5.2vw, 4rem);
  --fs-h1: clamp(1.85rem, 3.6vw, 2.9rem);
  --fs-h2: clamp(1.5rem, 2.6vw, 2.15rem);
  --fs-h3: clamp(1.12rem, 1.6vw, 1.4rem);
  --fs-body: clamp(.95rem, 1.05vw, 1.03rem);
  --fs-sm: .875rem;
  --fs-xs: .78rem;

  /* 容器与动效 */
  --container: 1200px;
  --gutter: clamp(18px, 4vw, 40px);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --nav-h: 74px;
}

/* ---------- 2 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.72;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
img, svg, video { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0 0 .5em; color: var(--ink); font-weight: 700; line-height: 1.24; letter-spacing: -.01em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: 1.02rem; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
:focus-visible { outline: 3px solid var(--brand-1); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--brand-1); color: #fff; }

/* ---------- 3 布局工具 ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(52px, 7vw, 96px); }
.section--tight { padding-block: clamp(40px, 5vw, 66px); }
.section--soft { background: var(--white); }
.section--tint { background: var(--bg); }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-side { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 26px; align-items: start; }
.grid-side--left { grid-template-columns: 300px minmax(0, 1fr); }
.stack { display: grid; gap: 14px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row--between { justify-content: space-between; }
.row--center { justify-content: center; }
.spacer { flex: 1 1 auto; }
.muted { color: var(--muted); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.maxw-680 { max-width: 680px; }
.maxw-760 { max-width: 760px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 300;
  background: var(--brand-1); color: #fff; padding: 10px 18px; border-radius: var(--r-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 4 文字标题组件 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--brand-1); background: var(--brand-1-soft);
  padding: 6px 14px; border-radius: var(--r-full); margin-bottom: 16px;
}
.eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand-1); box-shadow: 0 0 0 4px rgba(76, 111, 255, .18);
}
.eyebrow--mint { color: #00997e; background: var(--brand-3-soft); }
.eyebrow--mint::before { background: var(--brand-3); box-shadow: 0 0 0 4px rgba(0, 201, 167, .18); }
.eyebrow--violet { color: var(--brand-2); background: var(--brand-2-soft); }
.eyebrow--violet::before { background: var(--brand-2); box-shadow: 0 0 0 4px rgba(139, 92, 246, .18); }
.eyebrow--pink { color: #d94b7e; background: #ffeef4; }
.eyebrow--pink::before { background: var(--pop-pink); box-shadow: 0 0 0 4px rgba(255, 111, 165, .2); }

.section-head { max-width: 720px; margin-bottom: clamp(30px, 4vw, 48px); }
.section-head.center { margin-inline: auto; }
.section-head p { color: var(--ink-3); font-size: 1.02rem; margin-top: 10px; }
.lead { font-size: clamp(1.02rem, 1.35vw, 1.16rem); color: var(--ink-3); }

.hl { position: relative; display: inline; z-index: 0; }
.hl::after {
  content: ""; position: absolute; left: -2px; right: -2px; bottom: .08em; height: .38em;
  background: linear-gradient(90deg, rgba(198, 242, 78, .95), rgba(90, 216, 255, .85));
  border-radius: 4px; z-index: -1;
}
.hl--pink::after { background: linear-gradient(90deg, rgba(255, 111, 165, .6), rgba(255, 194, 75, .6)); }

.prose { color: var(--ink-2); }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose p { margin-bottom: 1.1em; }
.prose li { position: relative; padding-left: 22px; margin-bottom: .55em; }
.prose li::before {
  content: ""; position: absolute; left: 4px; top: .68em; width: 7px; height: 7px;
  border-radius: 50%; background: var(--brand-1);
}
.prose li strong { color: var(--ink); }
blockquote {
  margin: 1.6em 0; padding: 20px 24px; background: var(--brand-1-soft);
  border-radius: var(--r-md); border-left: 4px solid var(--brand-1); color: var(--ink-2);
}
blockquote p:last-child { margin-bottom: 0; }

/* ---------- 5 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: var(--r-full); font-weight: 700; font-size: .97rem;
  line-height: 1.2; text-align: center; border: 1px solid transparent;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--g-brand); color: #fff; box-shadow: var(--sh-brand); }
.btn--primary:hover { box-shadow: 0 18px 38px rgba(76, 111, 255, .36); }
.btn--mint { background: var(--g-mint); color: #fff; box-shadow: 0 14px 32px rgba(0, 201, 167, .28); }
.btn--dark { background: var(--ink); color: #fff; box-shadow: var(--sh-2); }
.btn--ghost { background: var(--white); color: var(--ink); border-color: var(--line); box-shadow: var(--sh-1); }
.btn--ghost:hover { border-color: var(--brand-1); color: var(--brand-1); }
.btn--outline-light { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .38); }
.btn--outline-light:hover { background: rgba(255, 255, 255, .2); }
.btn--sm { padding: 9px 18px; font-size: .87rem; }
.btn--lg { padding: 16px 34px; font-size: 1.04rem; }
.btn--block { width: 100%; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-group.center { justify-content: center; }
.btn .ico { width: 18px; height: 18px; flex: none; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--brand-1); }
.link-arrow::after { content: "→"; transition: transform .18s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- 6 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 120;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.site-header.is-stuck { box-shadow: 0 6px 24px rgba(16, 24, 64, .08); border-bottom-color: var(--line); }
.nav-inner {
  height: var(--nav-h); display: flex; align-items: center; gap: 18px;
  max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter);
}
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-name { font-size: 1.18rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; line-height: 1.1; }
.brand-name span { display: block; font-size: .66rem; font-weight: 600; color: var(--muted); letter-spacing: .16em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 9px 14px; border-radius: var(--r-full); font-weight: 600; font-size: .95rem;
  color: var(--ink-2); transition: background .18s var(--ease), color .18s var(--ease);
}
.nav-links a:hover { background: var(--line-2); color: var(--brand-1); }
.nav-links a.is-active { color: var(--brand-1); background: var(--brand-1-soft); }
.nav-links > .btn { display: none; margin-left: 10px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: var(--r-sm);
  align-items: center; justify-content: center; background: var(--line-2); margin-left: auto;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink);
  transition: transform .22s var(--ease), opacity .18s var(--ease);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }
.nav-close { display: none; }
.nav-scrim {
  position: fixed; inset: 0; background: rgba(14, 18, 34, .45); opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s; z-index: 110;
}
.nav-scrim.is-open { opacity: 1; visibility: visible; }

/* ---------- 7 卡片 ---------- */
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px; box-shadow: var(--sh-1);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); border-color: #d9dff0; }
.card--flat { box-shadow: none; background: var(--line-2); border-color: transparent; }
.card--flat:hover { transform: none; box-shadow: var(--sh-1); }
.card--tint { background: var(--bg); border-color: var(--line-2); }
.card h3 { margin-bottom: .35em; }
.card p { color: var(--ink-3); font-size: .95rem; }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--r-md); display: grid; place-items: center;
  background: var(--g-brand); color: #fff; margin-bottom: 16px; box-shadow: 0 10px 22px rgba(76, 111, 255, .24);
}
.card-icon svg { width: 26px; height: 26px; }
.card-icon--mint { background: var(--g-mint); box-shadow: 0 10px 22px rgba(0, 201, 167, .24); }
.card-icon--warm { background: var(--g-warm); box-shadow: 0 10px 22px rgba(255, 111, 165, .24); }
.card-icon--violet { background: linear-gradient(135deg, #8b5cf6, #ff6fa5); box-shadow: 0 10px 22px rgba(139, 92, 246, .24); }

/* ---------- 8 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #eef3ff 0%, #f6f8fc 62%, var(--bg) 100%);
  padding-block: clamp(46px, 6vw, 86px) clamp(52px, 7vw, 92px);
}
.hero::before {
  content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, .28), transparent 66%);
  top: -190px; right: -140px; pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 201, 167, .22), transparent 66%);
  bottom: -200px; left: -140px; pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: clamp(30px, 5vw, 62px); align-items: center;
}
.hero h1 { font-size: var(--fs-hero); letter-spacing: -.03em; text-wrap: balance; }
.hero h1 .accent {
  background: var(--g-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { margin-top: 18px; font-size: clamp(1rem, 1.4vw, 1.16rem); max-width: 34em; }
.hero-actions { margin-top: 30px; }
.hero-badges { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }
.pill {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: var(--r-full);
  background: var(--white); border: 1px solid var(--line); font-size: .84rem; font-weight: 600; color: var(--ink-2);
  box-shadow: var(--sh-1);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-3); }
.pill--pink .dot { background: var(--pop-pink); }
.pill--amber .dot { background: var(--pop-amber); }
.pill--sky .dot { background: var(--pop-sky); }

.hero-visual { position: relative; }
.hero-frame {
  position: relative; border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--sh-4); background: var(--white); border: 6px solid var(--white);
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 10 / 7; }
.hero-frame .play-btn { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 3; }
.float-chip {
  position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px;
  background: var(--white); border-radius: var(--r-md); padding: 10px 15px;
  box-shadow: var(--sh-3); font-size: .84rem; font-weight: 700; color: var(--ink);
}
.float-chip .ic {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; color: #fff; flex: none;
}
.float-chip .ic svg { width: 16px; height: 16px; }
.float-chip small { display: block; font-size: .7rem; font-weight: 500; color: var(--muted); }
.float-chip--a { left: -18px; top: 16%; background: var(--white); }
.float-chip--b { right: -14px; bottom: 14%; }
.float-chip--a .ic { background: var(--g-brand); }
.float-chip--b .ic { background: var(--g-mint); }

/* ---------- 9 跑马灯 ---------- */
.marquee {
  overflow: hidden; background: var(--white); border-block: 1px solid var(--line);
  padding-block: 16px; position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track { display: flex; gap: 44px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: .93rem; color: var(--ink-3);
  white-space: nowrap;
}
.marquee-item .tag { color: var(--brand-1); font-weight: 800; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 10 视频卡 ---------- */
.video-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.video-card:hover { transform: translateY(-5px); box-shadow: var(--sh-3); }
.thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--line-2); }
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.video-card:hover .thumb img { transform: scale(1.06); }
.thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14, 18, 34, 0) 45%, rgba(14, 18, 34, .5) 100%);
}
.thumb .play-btn { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 3; }
.thumb .badge {
  position: absolute; z-index: 3; left: 12px; top: 12px; padding: 4px 11px; border-radius: var(--r-full);
  background: rgba(14, 18, 34, .62); color: #fff; font-size: .72rem; font-weight: 700;
}
.thumb .dur {
  position: absolute; z-index: 3; right: 12px; bottom: 12px; padding: 3px 9px; border-radius: var(--r-xs);
  background: rgba(14, 18, 34, .78); color: #fff; font-size: .72rem; font-weight: 700; font-variant-numeric: tabular-nums;
}
.play-btn {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, .94); color: var(--brand-1); box-shadow: 0 8px 20px rgba(16, 24, 64, .3);
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.play-btn svg { width: 20px; height: 20px; margin-left: 2px; }
.play-btn:hover { transform: translate(-50%, -50%) scale(1.09); background: #fff; }
.thumb .play-btn:hover { transform: translate(-50%, -50%) scale(1.09); }
.video-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.video-body h3 { font-size: 1.02rem; margin: 0; line-height: 1.45; }
.video-body h3 a:hover { color: var(--brand-1); }
.vmeta { display: flex; align-items: center; gap: 10px; font-size: .82rem; color: var(--muted); flex-wrap: wrap; }
.vmeta .avatar-sm { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; flex: none; }
.vfoot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  padding-top: 10px; border-top: 1px dashed var(--line); font-size: .82rem; color: var(--ink-3);
}
.vscore { font-weight: 800; color: var(--brand-3); white-space: nowrap; }
.vacts { display: flex; gap: 14px; white-space: nowrap; }
.vacts span { display: inline-flex; align-items: center; gap: 5px; }
.tags-row { display: flex; gap: 7px; flex-wrap: wrap; }
.tag-chip {
  font-size: .74rem; font-weight: 700; padding: 4px 10px; border-radius: var(--r-full);
  background: var(--brand-1-soft); color: var(--brand-1);
}
.tag-chip--mint { background: var(--brand-3-soft); color: #00997e; }
.tag-chip--pink { background: #ffeef4; color: #d94b7e; }
.tag-chip--amber { background: #fff5e2; color: #b07600; }
.tag-chip--violet { background: var(--brand-2-soft); color: var(--brand-2); }

/* ---------- 11 榜单 ---------- */
.rank-list { display: grid; gap: 10px; }
.rank-item {
  display: grid; grid-template-columns: 40px 100px minmax(0, 1fr) auto; gap: 14px; align-items: center;
  padding: 11px; border-radius: var(--r-md); background: var(--white);
  border: 1px solid var(--line); transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.rank-item:hover { border-color: var(--brand-1); transform: translateX(3px); }
.rank-num {
  width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center;
  font-weight: 800; font-size: .92rem; background: var(--line-2); color: var(--ink-3);
}
.rank-item:nth-child(1) .rank-num { background: var(--g-warm); color: #fff; }
.rank-item:nth-child(2) .rank-num { background: linear-gradient(135deg, #b9c4e6, #d6dcee); color: #fff; }
.rank-item:nth-child(3) .rank-num { background: linear-gradient(135deg, #e0a878, #f0c9a4); color: #fff; }
.rank-thumb { border-radius: var(--r-sm); overflow: hidden; aspect-ratio: 16 / 9; }
.rank-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rank-title { font-weight: 700; font-size: .93rem; color: var(--ink); line-height: 1.4; }
.rank-sub { font-size: .78rem; color: var(--muted); margin-top: 3px; }
.rank-end { text-align: right; font-size: .82rem; font-weight: 800; color: var(--brand-1); white-space: nowrap; }
.rank-end small { display: block; font-size: .72rem; font-weight: 600; color: var(--muted); }

/* ---------- 12 话题/文章列表 ---------- */
.topic-item {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; align-items: center;
  padding: 18px 20px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.topic-item:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.topic-heat {
  width: 56px; height: 56px; border-radius: var(--r-md); display: grid; place-items: center;
  background: var(--g-warm); color: #fff; font-weight: 800; font-size: 1.02rem; flex: none;
}
.topic-heat small { display: block; font-size: .6rem; font-weight: 600; opacity: .85; }
.topic-item h3 { font-size: 1.05rem; margin: 0 0 4px; }
.topic-item h3 a:hover { color: var(--brand-1); }
.topic-item p { font-size: .88rem; color: var(--ink-3); margin: 0; }
.topic-cta {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--r-full);
  background: var(--brand-1-soft); color: var(--brand-1); font-weight: 700; font-size: .85rem; white-space: nowrap;
}
.topic-cta:hover { background: var(--brand-1); color: #fff; }

.post-list { display: grid; gap: 18px; }
.post-item {
  display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 20px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 16px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.post-item:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.post-item .thumb { border-radius: var(--r-md); }
.post-item h3 { font-size: 1.06rem; margin: 0 0 6px; }
.post-item p { font-size: .89rem; color: var(--ink-3); margin: 0 0 10px; }

/* ---------- 13 数据/特性 ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px;
}
.stat {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 24px 22px; text-align: center; box-shadow: var(--sh-1);
}
.stat-num {
  font-size: clamp(1.7rem, 2.6vw, 2.3rem); font-weight: 800; letter-spacing: -.02em;
  background: var(--g-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-num--mint { background: var(--g-mint); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-num--warm { background: var(--g-warm); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { font-size: .88rem; color: var(--ink-3); font-weight: 600; margin-top: 4px; }
.stat-sub { font-size: .76rem; color: var(--muted); margin-top: 2px; }

.feature-row {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 58px);
  align-items: center;
}
.feature-row + .feature-row { margin-top: clamp(40px, 6vw, 78px); }
.feature-row--flip .feature-media { order: -1; }
.feature-media { position: relative; border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh-3); }
.feature-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.check-list { display: grid; gap: 12px; margin-top: 20px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .95rem; }
.check-list .ck {
  width: 24px; height: 24px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--brand-3-soft); color: #00997e; margin-top: 2px;
}
.check-list .ck svg { width: 14px; height: 14px; }

/* ---------- 14 评价 ---------- */
.quote-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: 28px; display: flex; flex-direction: column; gap: 16px; box-shadow: var(--sh-1);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.quote-card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); }
.quote-card .stars { color: var(--pop-amber); letter-spacing: 2px; font-size: .95rem; }
.quote-card p { color: var(--ink-2); font-size: .96rem; flex: 1; }
.quote-user { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line-2); }
.quote-user img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex: none; }
.quote-user strong { display: block; font-size: .93rem; color: var(--ink); }
.quote-user span { font-size: .8rem; color: var(--muted); }

/* ---------- 15 CTA / 下载 ---------- */
.cta-band {
  position: relative; overflow: hidden; background: var(--g-dark); color: #fff;
  border-radius: var(--r-xl); padding: clamp(38px, 5vw, 62px) clamp(26px, 5vw, 62px);
  box-shadow: var(--sh-4);
}
.cta-band::before {
  content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(76, 111, 255, .38), transparent 65%); top: -180px; right: -120px;
}
.cta-band::after {
  content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 201, 167, .28), transparent 65%); bottom: -170px; left: -110px;
}
.cta-band h1, .cta-band h2, .cta-band h3, .cta-band h4 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, .78); }
.cta-inner { position: relative; z-index: 1; display: grid; gap: 26px; }
.cta-inner.center { text-align: center; justify-items: center; }
.store-row { display: flex; gap: 12px; flex-wrap: wrap; }
.store-btn {
  display: inline-flex; align-items: center; gap: 12px; padding: 12px 22px; border-radius: var(--r-md);
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .3); color: #fff;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.store-btn:hover { background: rgba(255, 255, 255, .2); transform: translateY(-2px); }
.store-btn svg { width: 26px; height: 26px; flex: none; }
.store-btn strong { display: block; font-size: .95rem; line-height: 1.2; }
.store-btn small { display: block; font-size: .72rem; color: rgba(255, 255, 255, .7); }

.qr-box {
  display: inline-flex; gap: 20px; align-items: center; padding: 18px 22px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .26);
}
.qr-box .qr-img { width: 108px; height: 108px; flex: none; background: #fff; border-radius: var(--r-sm); padding: 6px; }
.qr-box .qr-img svg, .qr-box .qr-img img { width: 100%; height: 100%; }
.qr-box strong { color: #fff; display: block; font-size: 1rem; }
.qr-box p { font-size: .84rem; color: rgba(255, 255, 255, .74); margin: 4px 0 12px; }

/* ---------- 16 FAQ ---------- */
.faq-list { display: grid; gap: 12px; max-width: 860px; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px; text-align: left; font-weight: 700; font-size: 1rem; color: var(--ink);
  transition: background .18s var(--ease);
}
.faq-q:hover { background: var(--line-2); }
.faq-q .sign {
  width: 28px; height: 28px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--brand-1-soft); color: var(--brand-1); font-weight: 800; transition: transform .25s var(--ease);
}
.faq-item.is-open .faq-q .sign { transform: rotate(45deg); background: var(--brand-1); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .32s var(--ease); }
.faq-a-inner { padding: 0 22px 20px; color: var(--ink-3); font-size: .95rem; }

/* ---------- 17 提示条 / 弹层 ---------- */
.alert {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; border-radius: var(--r-md);
  background: var(--brand-1-soft); border: 1px solid #d7e0ff; color: var(--ink-2); font-size: .9rem;
}
.alert svg { width: 20px; height: 20px; flex: none; margin-top: 2px; color: var(--brand-1); }
.alert--warn { background: #fff5e2; border-color: #f6dfb2; }
.alert--warn svg { color: var(--pop-amber); }

.modal {
  position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center;
  padding: var(--gutter);
}
.modal.is-open { display: flex; }
.modal-scrim { position: absolute; inset: 0; background: rgba(14, 18, 34, .68); }
.modal-box {
  position: relative; z-index: 1; width: min(720px, 100%); max-height: 88vh; overflow: auto;
  background: var(--white); border-radius: var(--r-xl); padding: 26px; box-shadow: var(--sh-4);
  animation: pop .26s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-close {
  position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; background: var(--line-2); color: var(--ink-2); font-size: 1.1rem;
  transition: background .18s var(--ease); z-index: 2;
}
.modal-close:hover { background: var(--line); }
.modal-box h3 { padding-right: 44px; }
.modal-video { border-radius: var(--r-md); overflow: hidden; background: var(--g-dark); aspect-ratio: 16 / 9; margin-top: 16px; }
.modal-video iframe { width: 100%; height: 100%; border: 0; display: block; }
.modal-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: .84rem; color: var(--muted); margin-top: 14px; }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 90px); z-index: 260;
  background: var(--ink); color: #fff; padding: 13px 24px; border-radius: var(--r-full);
  font-size: .9rem; font-weight: 600; box-shadow: var(--sh-4); opacity: 0;
  transition: transform .3s var(--ease), opacity .3s var(--ease); pointer-events: none;
}
.toast.is-show { transform: translate(-50%, 0); opacity: 1; }

.to-top {
  position: fixed; right: 22px; bottom: 26px; z-index: 130; width: 48px; height: 48px; border-radius: 50%;
  background: var(--g-brand); color: #fff; display: grid; place-items: center; box-shadow: var(--sh-brand);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 20px; height: 20px; }

/* ---------- 18 页脚 ---------- */
.site-footer { background: #0e1222; color: rgba(255, 255, 255, .68); padding-block: clamp(44px, 5vw, 68px) 26px; margin-top: 0; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; letter-spacing: .02em; }
.foot-grid {
  display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 34px;
  padding-bottom: 32px; border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.foot-brand { max-width: 320px; }
.foot-brand .brand { margin-bottom: 14px; }
.foot-brand .brand-name { color: #fff; }
.foot-brand .brand-name span { color: rgba(255, 255, 255, .45); }
.foot-brand p { font-size: .88rem; line-height: 1.8; }
.foot-social { display: flex; gap: 10px; margin-top: 18px; }
.foot-social a {
  width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, .08); color: #fff; transition: background .2s var(--ease), transform .2s var(--ease);
}
.foot-social a:hover { background: var(--brand-1); transform: translateY(-3px); }
.foot-social svg { width: 18px; height: 18px; }
.foot-col ul { display: grid; gap: 9px; }
.foot-col a { font-size: .88rem; transition: color .18s var(--ease); }
.foot-col a:hover { color: #fff; }
.foot-tags { display: flex; gap: 8px; flex-wrap: wrap; padding-block: 24px; }
.foot-tags a {
  font-size: .78rem; padding: 5px 12px; border-radius: var(--r-full);
  background: rgba(255, 255, 255, .07); color: rgba(255, 255, 255, .66); transition: background .18s var(--ease);
}
.foot-tags a:hover { background: rgba(76, 111, 255, .55); color: #fff; }
.foot-legal { font-size: .8rem; color: rgba(255, 255, 255, .45); line-height: 1.8; }
.foot-bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .82rem;
}
.foot-bottom a { color: rgba(255, 255, 255, .6); }
.foot-bottom a:hover { color: #fff; }

/* ---------- 19 内页页头 ---------- */
.page-head {
  position: relative; overflow: hidden; background: linear-gradient(160deg, #eef3ff 0%, #f7f5ff 55%, #f6f8fc 100%);
  padding-block: clamp(40px, 5vw, 66px) clamp(40px, 5vw, 62px);
}
.page-head::before {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, .22), transparent 66%); top: -180px; right: -110px;
}
.page-head-inner { position: relative; z-index: 1; }
.page-head h1 { font-size: var(--fs-h1); text-wrap: balance; }
.page-head .lead { max-width: 640px; margin-top: 12px; }
.crumbs { display: flex; gap: 8px; align-items: center; font-size: .82rem; color: var(--muted); margin-bottom: 14px; flex-wrap: wrap; }
.crumbs a:hover { color: var(--brand-1); }
.crumbs li::after { content: "/"; margin-left: 8px; color: var(--line); }
.crumbs li:last-child::after { content: ""; }

/* ---------- 20 分页 ---------- */
.pager { display: flex; gap: 8px; justify-content: center; align-items: center; margin-top: 36px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding-inline: 12px; border-radius: var(--r-sm); display: inline-flex;
  align-items: center; justify-content: center; font-weight: 700; font-size: .9rem;
  background: var(--white); border: 1px solid var(--line); color: var(--ink-2);
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.pager a:hover { border-color: var(--brand-1); color: var(--brand-1); }
.pager .is-current { background: var(--g-brand); color: #fff; border-color: transparent; }
.pager .is-disabled { opacity: .45; }

/* ---------- 21 滚动动画 ---------- */
.js-ready [data-reveal] {
  opacity: 0; transform: translateY(22px);
  transition: opacity .62s var(--ease), transform .62s var(--ease);
  animation: reveal-safety .01s linear 2.4s forwards;
}
@keyframes reveal-safety { to { opacity: 1; transform: none; } }
.js-ready [data-reveal].is-in { opacity: 1; transform: none; animation: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js-ready [data-reveal] { opacity: 1; transform: none; animation: none; }
}

/* ---------- 22 响应式 ---------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-side { grid-template-columns: minmax(0, 1fr) 300px; }
  .grid-side--left { grid-template-columns: 260px minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 0; right: 0; width: min(320px, 86vw); height: 100vh; z-index: 115;
    flex-direction: column; align-items: stretch; gap: 6px; padding: 88px 22px 30px;
    background: var(--white); box-shadow: -12px 0 40px rgba(16, 24, 64, .16);
    transform: translateX(102%); transition: transform .3s var(--ease); overflow-y: auto;
  }
  .nav-links.is-open { transform: none; }
  .nav-links a { padding: 13px 16px; font-size: 1rem; border-radius: var(--r-md); }
  .nav-links > .btn { display: inline-flex; margin: 12px 0 0; }
  .nav-close {
    display: grid; position: absolute; top: 18px; right: 18px; width: 40px; height: 40px;
    border-radius: 50%; place-items: center; background: var(--line-2); color: var(--ink); font-size: 1.2rem;
  }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { order: -1; max-width: 560px; }
  .grid-side, .grid-side--left { grid-template-columns: minmax(0, 1fr); }
  .feature-row { grid-template-columns: minmax(0, 1fr); }
  .feature-row--flip .feature-media { order: 0; }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .float-chip--a { left: 0; }
  .float-chip--b { right: 0; }
}
@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .btn-group { gap: 10px; }
  .btn-group .btn { flex: 1 1 100%; }
  .hero-badges { gap: 8px; }
  .float-chip { transform: scale(.88); }
  .float-chip--a { transform-origin: left top; }
  .float-chip--b { transform-origin: right bottom; }
  .rank-item { grid-template-columns: 34px 84px minmax(0, 1fr); }
  .rank-end { grid-column: 2 / -1; text-align: left; }
  .topic-item { grid-template-columns: auto minmax(0, 1fr); }
  .topic-cta { grid-column: 1 / -1; justify-content: center; }
  .post-item { grid-template-columns: minmax(0, 1fr); }
  .post-item .thumb { aspect-ratio: 16 / 9; }
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .qr-box { flex-direction: column; text-align: center; }
  .store-row { justify-content: center; }
  .store-btn { flex: 1 1 100%; justify-content: center; }
}
@media (max-width: 420px) {
  .stats { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 20px; }
  .float-chip { display: none; }
  .modal-box { padding: 20px; }
}

/* ---------- 23 附加组件 ---------- */
/* 频道筛选条 */
.filters { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-btn {
  padding: 9px 18px; border-radius: var(--r-full); background: var(--white); border: 1px solid var(--line);
  font-weight: 700; font-size: .89rem; color: var(--ink-2);
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.filter-btn:hover { border-color: var(--brand-1); color: var(--brand-1); }
.filter-btn.is-active { background: var(--g-brand); color: #fff; border-color: transparent; box-shadow: var(--sh-brand); }

/* 侧栏小组件 */
.widget {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 22px; margin-bottom: 20px;
}
.widget h3 { font-size: 1.02rem; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.widget h3::before { content: ""; width: 4px; height: 17px; border-radius: 3px; background: var(--g-brand); }
.widget .grid-side & .rank-item { grid-template-columns: 28px 82px minmax(0, 1fr); gap: 10px; padding: 9px; }
.grid-side .rank-item { grid-template-columns: 28px 82px minmax(0, 1fr); gap: 10px; padding: 9px; }
.grid-side .rank-end { grid-column: 2 / -1; text-align: left; }
.grid-side .rank-num { width: 28px; height: 28px; font-size: .82rem; border-radius: 9px; }

/* 创作者卡 */
.creator-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px;
  text-align: center; transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.creator-card:hover { transform: translateY(-5px); box-shadow: var(--sh-3); }
.creator-card img { width: 78px; height: 78px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; border: 3px solid #fff; box-shadow: 0 6px 18px rgba(16, 24, 64, .14); }
.creator-card h3 { font-size: 1.02rem; margin-bottom: 3px; }
.creator-card .role { font-size: .8rem; color: var(--brand-1); font-weight: 700; margin-bottom: 10px; }
.creator-card p { font-size: .87rem; color: var(--ink-3); }
.creator-stat { display: flex; justify-content: center; gap: 18px; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); }
.creator-stat div { font-size: .78rem; color: var(--muted); }
.creator-stat strong { display: block; font-size: .98rem; color: var(--ink); }

/* 订阅条 */
.subscribe {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 14px;
  box-shadow: var(--sh-1); max-width: 560px;
}
.subscribe input {
  padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--r-full); background: var(--bg);
  font-size: .94rem; width: 100%;
}
.subscribe input:focus { outline: none; border-color: var(--brand-1); background: #fff; }
.subscribe .btn { flex: none; }

/* 目录导航（长文） */
.toc {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px;
  position: sticky; top: calc(var(--nav-h) + 18px);
}
.toc h3 { font-size: .95rem; margin-bottom: 12px; }
.toc ol { display: grid; gap: 7px; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a {
  display: block; font-size: .88rem; color: var(--ink-3); padding: 7px 12px; border-radius: var(--r-sm);
  border-left: 3px solid transparent; transition: background .18s var(--ease), color .18s var(--ease);
}
.toc a::before { content: counter(toc) ". "; font-weight: 700; color: var(--muted); }
.toc a:hover, .toc a.is-active { background: var(--brand-1-soft); color: var(--brand-1); border-left-color: var(--brand-1); }

/* 下载页步骤 */
.step-card {
  position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px 22px 22px; text-align: center; box-shadow: var(--sh-1);
}
.step-num {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 14px;
  background: var(--g-brand); color: #fff; font-weight: 800; font-size: 1.1rem; box-shadow: 0 10px 22px rgba(76, 111, 255, .26);
}
.step-card h3 { font-size: 1.02rem; }
.step-card p { font-size: .89rem; color: var(--ink-3); }

/* 手机 mock */
.phone-mock {
  position: relative; width: 232px; border-radius: 34px; padding: 10px;
  background: var(--g-dark); box-shadow: var(--sh-4); margin-inline: auto;
}
.phone-screen { border-radius: 26px; overflow: hidden; background: #fff; aspect-ratio: 9 / 18; }
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.phone-notch {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%); width: 78px; height: 20px;
  border-radius: var(--r-full); background: #0e1222; z-index: 2;
}
@media (max-width: 680px) { .phone-mock { width: 200px; } }

/* 功能矩阵表 */
.matrix { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-1); }
.matrix th, .matrix td { padding: 14px 18px; text-align: left; font-size: .9rem; border-bottom: 1px solid var(--line-2); }
.matrix thead th { background: var(--brand-1-soft); color: var(--ink); font-weight: 800; font-size: .86rem; }
.matrix tbody tr:last-child td { border-bottom: 0; }
.matrix .yes { color: #00997e; font-weight: 800; }
.matrix .no { color: var(--muted); }
.matrix-wrap { overflow-x: auto; border-radius: var(--r-lg); }

/* 关键词标签云（页脚上方） */
.keyword-cloud { display: flex; gap: 9px; flex-wrap: wrap; justify-content: center; }
.keyword-cloud a {
  font-size: .82rem; padding: 7px 15px; border-radius: var(--r-full); background: var(--white);
  border: 1px solid var(--line); color: var(--ink-3); font-weight: 600;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.keyword-cloud a:hover { background: var(--brand-1); color: #fff; border-color: var(--brand-1); }