/* ==========================================================================
   绿帽社 · 中文视频社区  设计系统
   1 变量 / 2 重置 / 3 布局 / 4 字体 / 5 按钮 / 6 头部 / 7 卡片 / 8 Hero
   9 跑马灯 / 10 视频卡 / 11 榜单 / 12 列表 / 13 数据 / 14 评价 / 15 CTA
   16 FAQ / 17 提示条·弹层 / 18 页脚 / 19 内页页头 / 20 分页 / 21 动效
   22 响应式 / 23 附加组件
   ========================================================================== */

/* 1 设计变量 ---------------------------------------------------------------- */
:root {
  /* 品牌绿 */
  --brand-50: #eafbf3;
  --brand-100: #d2f6e5;
  --brand-200: #a6ebce;
  --brand-300: #6fddb2;
  --brand-400: #2fcb93;
  --brand-500: #06b67b;
  --brand-600: #049a69;
  --brand-700: #037a54;
  --brand-800: #045e42;

  /* 墨绿中性色 */
  --ink-900: #081814;
  --ink-800: #10241d;
  --ink-700: #1d332b;
  --ink-600: #38524a;
  --ink-500: #587069;
  --ink-400: #849994;
  --ink-300: #b3c4bf;
  --ink-200: #dbe6e2;
  --ink-100: #edf3f1;
  --ink-50: #f6faf8;
  --white: #ffffff;

  /* 点缀色 */
  --coral: #ff6b4a;
  --amber: #ffb020;
  --violet: #7c5cff;
  --sky: #2aa8f2;
  --pink: #ff7eb6;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #34d39a 0%, #06b67b 52%, #049a69 100%);
  --grad-mint: linear-gradient(160deg, #f2fdf8 0%, #e2f8ee 46%, #f7fbfa 100%);
  --grad-sunset: linear-gradient(135deg, #ffb020 0%, #ff6b4a 100%);
  --grad-violet: linear-gradient(135deg, #9b7bff 0%, #6a4bff 100%);
  --grad-ink: radial-gradient(120% 120% at 12% 0%, #16382c 0%, #0a1d16 46%, #06140f 100%);

  /* 圆角 */
  --r-xs: 10px;
  --r-sm: 14px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 36px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-xs: 0 1px 2px rgba(10, 30, 22, .06);
  --sh-sm: 0 6px 18px -8px rgba(10, 40, 30, .16);
  --sh-md: 0 18px 40px -22px rgba(9, 46, 34, .28);
  --sh-lg: 0 34px 70px -34px rgba(9, 46, 34, .34);
  --sh-glow: 0 18px 44px -20px rgba(6, 182, 123, .55);

  /* 字体 */
  --font-sans: "Outfit", "Noto Sans SC", system-ui, -apple-system, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --fs-display: clamp(2.55rem, 5.2vw, 4.35rem);
  --fs-h1: clamp(2rem, 3.6vw, 3rem);
  --fs-h2: clamp(1.6rem, 2.7vw, 2.35rem);
  --fs-h3: clamp(1.18rem, 1.6vw, 1.42rem);
  --fs-lead: clamp(1.02rem, 1.2vw, 1.16rem);
  --fs-body: 1rem;
  --fs-sm: .925rem;
  --fs-xs: .8rem;

  /* 布局 */
  --container: 1200px;
  --gutter: clamp(18px, 4vw, 40px);
  --header-h: 76px;
  --ease: cubic-bezier(.22, .68, .24, 1);
}

/* 2 基础重置 ---------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.72;
  color: var(--ink-700);
  background: var(--ink-50);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure, blockquote, p { margin: 0; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 3px solid var(--brand-400);
  outline-offset: 3px;
  border-radius: 6px;
}

[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

::selection { background: var(--brand-200); color: var(--ink-900); }

/* 3 布局工具 ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(56px, 7vw, 96px); position: relative; }
.section--tight { padding-block: clamp(36px, 4.6vw, 60px); }
.section--wash { background: var(--grad-mint); }
.section--white { background: var(--white); }
.section--ink { background: var(--grad-ink); color: var(--ink-100); }

.grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.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) 344px;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

.cluster { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: 12px; }
.mt-md { margin-top: 22px; }
.mt-lg { margin-top: 36px; }

.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;
}

/* 4 文字与标题 -------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink-900);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.02em;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: 1.05rem; letter-spacing: 0; }

.display {
  font-size: var(--fs-display);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.lead {
  font-size: var(--fs-lead);
  color: var(--ink-600);
  line-height: 1.75;
  text-wrap: pretty;
}

.muted { color: var(--ink-500); }
.small { font-size: var(--fs-sm); }
.xs { font-size: var(--fs-xs); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 10px;
  border-radius: var(--r-pill);
  background: var(--white);
  border: 1px solid var(--brand-200);
  box-shadow: var(--sh-xs);
  color: var(--brand-700);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--brand-500);
  box-shadow: 0 0 0 4px var(--brand-100);
}
.eyebrow--ink {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .2);
  color: var(--brand-200);
  box-shadow: none;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(26px, 3.4vw, 44px);
}
.section-head__text { max-width: 660px; }
.section-head h2 { margin-top: 14px; }
.section-head p { margin-top: 12px; color: var(--ink-500); }
.section-head--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.section-head--center .section-head__text { margin-inline: auto; }

.mark {
  position: relative;
  z-index: 0;
  white-space: nowrap;
}
.mark::after {
  content: "";
  position: absolute;
  left: -2px; right: -2px;
  bottom: 6%;
  height: 34%;
  border-radius: 6px;
  background: var(--brand-200);
  z-index: -1;
  transform: rotate(-.6deg);
}
.mark--amber::after { background: #ffe0a8; }

.ink-section h2,
.ink-section h3 { color: var(--white); }
.ink-section .lead,
.ink-section p { color: rgba(233, 245, 240, .74); }

/* 5 按钮 -------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: .96rem;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary {
  background: var(--grad-brand);
  color: #04241a;
  box-shadow: var(--sh-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 24px 52px -20px rgba(6, 182, 123, .7); }
.btn-primary:active { transform: translateY(0); }

.btn-dark {
  background: var(--ink-900);
  color: var(--brand-100);
  box-shadow: 0 16px 34px -20px rgba(8, 24, 20, .8);
}
.btn-dark:hover { transform: translateY(-2px); background: var(--ink-800); }

.btn-ghost {
  background: var(--white);
  color: var(--ink-800);
  border: 1.5px solid var(--ink-200);
  box-shadow: var(--sh-xs);
}
.btn-ghost:hover { border-color: var(--brand-400); color: var(--brand-700); transform: translateY(-2px); }

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, .34);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .6); }

.btn-sm { padding: 9px 18px; font-size: .86rem; }
.btn-block { width: 100%; }

.btn-group { display: flex; flex-wrap: wrap; gap: 12px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: .92rem;
  color: var(--brand-700);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

.text-link {
  color: var(--brand-700);
  font-weight: 700;
  border-bottom: 1.5px solid var(--brand-200);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.text-link:hover { border-color: var(--brand-500); }

/* 6 头部导航 ---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .95);
  border-bottom: 1px solid var(--ink-100);
  transition: box-shadow .25s var(--ease), background-color .25s var(--ease);
}
.site-header.is-stuck {
  box-shadow: 0 12px 30px -24px rgba(8, 40, 30, .6);
  background: rgba(255, 255, 255, .98);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 13px;
  background: var(--grad-brand);
  display: grid; place-items: center;
  box-shadow: var(--sh-glow);
  flex: none;
}
.brand-mark svg { width: 26px; height: 26px; }
.brand-text { display: grid; line-height: 1.1; }
.brand-text strong {
  font-size: 1.12rem;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--ink-900);
}
.brand-text em {
  font-style: normal;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--ink-400);
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  font-size: .94rem;
  font-weight: 600;
  color: var(--ink-600);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.nav-link:hover { color: var(--ink-900); background: var(--ink-50); }
.nav-link.is-active { color: var(--brand-700); background: var(--brand-50); font-weight: 700; }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 3px;
  width: 16px; height: 2px;
  border-radius: 2px;
  background: var(--brand-500);
  transform: translateX(-50%);
}
.nav-links > .btn { display: none; }
.nav-close { display: none; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 13px;
  border: 1.5px solid var(--ink-200);
  background: var(--white);
  place-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--ink-800);
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}

/* 7 通用卡片 ---------------------------------------------------------------- */
.card {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card--pad { padding: clamp(20px, 2.4vw, 30px); }
.card--hover:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: var(--brand-200); }

.sticker {
  background: var(--white);
  border: 2px solid var(--ink-900);
  border-radius: var(--r-lg);
  box-shadow: 7px 7px 0 var(--brand-200);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.sticker:hover { transform: translate(-2px, -2px); box-shadow: 10px 10px 0 var(--brand-200); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .02em;
}
.chip--amber { background: #fff5e2; color: #a26100; }
.chip--coral { background: #ffeeea; color: #c53a1c; }
.chip--violet { background: #f0ecff; color: #4c33c9; }
.chip--sky { background: #e8f4fe; color: #1268a3; }
.chip--ink { background: var(--ink-900); color: var(--brand-100); }

.icon-badge {
  width: 46px; height: 46px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: var(--brand-50);
  color: var(--brand-700);
  flex: none;
}
.icon-badge svg { width: 23px; height: 23px; }
.icon-badge--amber { background: #fff5e2; color: #b26a00; }
.icon-badge--coral { background: #ffeeea; color: #c53a1c; }
.icon-badge--violet { background: #f0ecff; color: #4c33c9; }
.icon-badge--sky { background: #e8f4fe; color: #1268a3; }

/* 频道卡 */
.channel-card { overflow: hidden; display: flex; flex-direction: column; }
.channel-card__thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.channel-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.channel-card:hover .channel-card__thumb img { transform: scale(1.06); }
.channel-card__thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 18, .02) 40%, rgba(6, 24, 18, .52) 100%);
}
.channel-card__tag {
  position: absolute;
  left: 14px; top: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, .92);
  color: var(--ink-900);
  padding: 5px 11px;
  border-radius: var(--r-pill);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
}
.channel-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.channel-card__body p { color: var(--ink-500); font-size: .92rem; }
.channel-card__head { display: flex; align-items: center; gap: 12px; }
.channel-card__foot { margin-top: auto; padding-top: 8px; }

/* 8 Hero -------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(30px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 72px);
  background: var(--grad-mint);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(111, 221, 178, .5), transparent 66%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  left: -120px; bottom: -140px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 40%, rgba(255, 176, 32, .16), transparent 68%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.hero-copy h1 { margin-top: 20px; }
.hero-copy .lead { margin-top: 20px; max-width: 30em; }
.hero-copy .btn-group { margin-top: 30px; }
.hero-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 22px;
  font-size: .85rem;
  color: var(--ink-500);
}
.hero-note__item { display: inline-flex; align-items: center; gap: 7px; }
.hero-note__item svg { width: 16px; height: 16px; color: var(--brand-500); }

.hero-proof {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding: 12px 18px 12px 12px;
  background: rgba(255, 255, 255, .78);
  border: 1px solid var(--brand-100);
  border-radius: var(--r-pill);
  width: fit-content;
  box-shadow: var(--sh-sm);
}
.avatars { display: flex; }
.avatars span {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--white);
  margin-left: -10px;
  display: grid;
  place-items: center;
  font-size: .7rem;
  font-weight: 800;
  color: #052a1e;
}
.avatars span:first-child { margin-left: 0; }
.avatars span:nth-child(1) { background: linear-gradient(140deg, #6fddb2, #06b67b); }
.avatars span:nth-child(2) { background: linear-gradient(140deg, #ffd38a, #ffb020); }
.avatars span:nth-child(3) { background: linear-gradient(140deg, #b7a6ff, #7c5cff); color: #fff; }
.avatars span:nth-child(4) { background: linear-gradient(140deg, #ffb3a3, #ff6b4a); color: #fff; }

.hero-art { position: relative; min-height: 420px; }
.hero-frame {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 2px solid var(--ink-900);
  box-shadow: 14px 16px 0 rgba(6, 182, 123, .18);
  transform: rotate(-1.2deg);
  aspect-ratio: 4 / 3.4;
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 20, 0) 50%, rgba(6, 26, 20, .58) 100%);
}
.hero-frame__top {
  position: absolute;
  z-index: 3;
  left: 16px; top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: var(--r-pill);
  background: rgba(8, 24, 20, .62);
  color: #eafbf3;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 0 rgba(255, 107, 74, .7);
  animation: pulse 2s infinite;
}
.hero-frame__bottom {
  position: absolute;
  z-index: 3;
  left: 18px; right: 18px; bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #f2fbf7;
  font-size: .82rem;
  font-weight: 600;
}
.hero-frame__bottom strong { font-size: .95rem; display: block; color: #fff; }

.float-card {
  position: absolute;
  z-index: 4;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  padding: 11px 14px;
}
.float-live {
  left: -22px; bottom: -30px;
  display: flex;
  align-items: center;
  gap: 11px;
  max-width: 258px;
  animation: floaty 7s ease-in-out infinite;
}
.float-live img { width: 46px; height: 46px; border-radius: 12px; object-fit: cover; flex: none; }
.float-live strong { display: block; font-size: .84rem; color: var(--ink-900); }
.float-live span { font-size: .72rem; color: var(--ink-400); }

.float-stat {
  right: -14px; top: -18px;
  display: grid;
  gap: 2px;
  text-align: right;
  animation: floaty 6s ease-in-out infinite reverse;
}
.float-num { font-size: 1.32rem; font-weight: 900; color: var(--brand-600); letter-spacing: -.02em; }
.float-label { font-size: .7rem; color: var(--ink-400); font-weight: 600; }

.mascot {
  position: absolute;
  z-index: 5;
  right: 6px; bottom: -26px;
  width: 108px;
  filter: drop-shadow(0 14px 20px rgba(8, 40, 30, .2));
  animation: bob 5.5s ease-in-out infinite;
}

.hero-strip {
  position: relative;
  z-index: 1;
  margin-top: clamp(34px, 4vw, 54px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--brand-100);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--brand-100);
}
.hero-strip__item {
  background: rgba(255, 255, 255, .82);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 11px;
}
.hero-strip__item strong { font-size: 1.28rem; font-weight: 900; color: var(--ink-900); letter-spacing: -.02em; }
.hero-strip__item span { font-size: .78rem; color: var(--ink-500); }

/* 9 跑马灯 ------------------------------------------------------------------ */
.marquee {
  overflow: hidden;
  padding-block: 16px;
  background: var(--ink-900);
  color: var(--brand-100);
  border-block: 1px solid rgba(255, 255, 255, .08);
  -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: scrollx 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(224, 245, 236, .78);
}
.marquee span::after {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-400);
}

/* 10 视频卡 ----------------------------------------------------------------- */
.vcard { overflow: hidden; display: flex; flex-direction: column; }
.thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ink-100);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.vcard:hover .thumb img { transform: scale(1.05); }
.thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8, 24, 20, .06) 0%, rgba(8, 24, 20, .5) 100%);
  opacity: .9;
}
.vbadge,
.vtime,
.vplay { position: absolute; z-index: 2; }
.vbadge {
  left: 12px; top: 12px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .94);
  color: var(--ink-900);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .04em;
}
.vtime {
  right: 12px; bottom: 12px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(8, 24, 20, .74);
  color: #f0faf5;
  font-size: .7rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.vplay {
  left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(.86);
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  color: var(--ink-900);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, .5);
  transition: transform .3s var(--ease), background-color .3s var(--ease);
}
.vplay svg { width: 20px; height: 20px; margin-left: 2px; }
.vcard:hover .vplay { transform: translate(-50%, -50%) scale(1); background: var(--brand-400); }
.vbody { padding: 16px 18px 20px; display: grid; gap: 8px; }
.vbody h3 { font-size: 1rem; line-height: 1.45; letter-spacing: 0; }
.vmeta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: .78rem;
  color: var(--ink-400);
}
.vmeta span { display: inline-flex; align-items: center; gap: 5px; }
.vmeta svg { width: 13px; height: 13px; }
.vauthor { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--ink-500); }
.vauthor i {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: .64rem;
  font-weight: 800;
  color: #052a1e;
  background: linear-gradient(140deg, var(--brand-200), var(--brand-400));
}

/* 主播放器 */
.player {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--sh-lg);
}
.player__stage { position: relative; aspect-ratio: 16 / 9; }
.player__stage img { width: 100%; height: 100%; object-fit: cover; opacity: .88; }
.player__stage::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4, 16, 12, .1) 30%, rgba(4, 16, 12, .82) 100%);
}
.player__play {
  position: absolute;
  z-index: 3;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 78px; height: 78px;
  border-radius: 50%;
  background: var(--brand-400);
  color: #04241a;
  display: grid; place-items: center;
  box-shadow: 0 0 0 12px rgba(47, 203, 147, .22);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.player__play:hover { transform: translate(-50%, -50%) scale(1.06); box-shadow: 0 0 0 18px rgba(47, 203, 147, .18); }
.player__play svg { width: 28px; height: 28px; margin-left: 3px; }
.player__caption {
  position: absolute;
  z-index: 3;
  left: 22px; right: 22px; bottom: 20px;
  color: #f2fbf7;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.player__caption h2 { color: #fff; font-size: 1.15rem; }
.player__caption p { font-size: .8rem; color: rgba(230, 245, 238, .7); }
.player__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: #0c2019;
  color: rgba(230, 245, 238, .7);
  font-size: .78rem;
}
.player__bar .bar {
  flex: 1;
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .16);
  overflow: hidden;
}
.player__bar .bar i { display: block; height: 100%; width: 36%; background: var(--brand-400); border-radius: 4px; }

.episode {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: var(--r-sm);
  transition: background-color .2s var(--ease);
  text-align: left;
  width: 100%;
}
.episode:hover { background: var(--ink-50); }
.episode img { width: 96px; height: 58px; border-radius: 9px; object-fit: cover; }
.episode strong { display: block; font-size: .88rem; color: var(--ink-900); line-height: 1.45; }
.episode span { font-size: .72rem; color: var(--ink-400); }
.episode.is-current { background: var(--brand-50); }
.episode.is-current strong { color: var(--brand-700); }

/* 11 榜单 ------------------------------------------------------------------- */
.rank-item {
  display: grid;
  grid-template-columns: 30px 84px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--ink-100);
}
.rank-item:last-child { border-bottom: 0; }
.rank-num {
  font-size: .95rem;
  font-weight: 900;
  color: var(--ink-300);
  font-variant-numeric: tabular-nums;
}
.rank-item:nth-child(1) .rank-num { color: var(--coral); }
.rank-item:nth-child(2) .rank-num { color: var(--amber); }
.rank-item:nth-child(3) .rank-num { color: var(--brand-500); }
.rank-item img { width: 84px; height: 50px; border-radius: 9px; object-fit: cover; }
.rank-item h4 {
  font-size: .86rem;
  line-height: 1.45;
  letter-spacing: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rank-end { display: grid; gap: 4px; justify-items: end; }
.rank-score {
  font-size: .8rem;
  font-weight: 800;
  color: var(--brand-600);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.rank-bar { width: 56px; height: 4px; border-radius: 4px; background: var(--ink-100); overflow: hidden; }
.rank-bar i { display: block; height: 100%; border-radius: 4px; background: var(--grad-brand); }

/* 12 话题 / 文章列表 -------------------------------------------------------- */
.topic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 18px;
  padding: 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--ink-100);
  background: var(--white);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.topic + .topic { margin-top: 12px; }
.topic:hover { border-color: var(--brand-200); box-shadow: var(--sh-sm); transform: translateY(-2px); }
.topic h3 { font-size: 1.02rem; line-height: 1.5; letter-spacing: 0; }
.topic h3 a:hover { color: var(--brand-700); }
.topic p {
  margin-top: 7px;
  font-size: .88rem;
  color: var(--ink-500);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.topic__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 12px;
  font-size: .76rem;
  color: var(--ink-400);
}
.topic__meta span { display: inline-flex; align-items: center; gap: 5px; }
.topic__meta svg { width: 13px; height: 13px; }
.topic__thumb { width: 132px; height: 92px; border-radius: var(--r-xs); object-fit: cover; align-self: center; }
.topic__stats { display: flex; gap: 14px; margin-top: 4px; }

.list-plain li {
  display: flex;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--ink-100);
  font-size: .9rem;
  color: var(--ink-600);
}
.list-plain li:last-child { border-bottom: 0; }
.list-plain li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-400);
  flex: none;
  margin-top: 10px;
}
.list-plain a:hover { color: var(--brand-700); }

.steps { display: grid; gap: 16px; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-md);
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  width: 52px; height: 52px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: .02em;
}
.step h3 { font-size: 1rem; }
.step p { margin-top: 6px; font-size: .88rem; color: var(--ink-500); }

/* 长文正文 */
.prose { max-width: 68ch; }
.prose > * + * { margin-top: 16px; }
.prose h2 { margin-top: 34px; }
.prose h3 { margin-top: 26px; font-size: 1.1rem; }
.prose p { color: var(--ink-600); line-height: 1.85; }
.prose ul,
.prose ol { padding-left: 0; display: grid; gap: 9px; }
.prose ul li,
.prose li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-600);
  line-height: 1.8;
}
.prose ul li::before,
.prose li::before {
  content: "";
  position: absolute;
  left: 2px; top: 11px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--brand-400);
  transform: rotate(45deg);
}
.prose ol { counter-reset: oli; }
.prose ol li { counter-increment: oli; }
.prose ol li::before {
  content: counter(oli);
  left: 0; top: 2px;
  width: 18px; height: 18px;
  border-radius: 6px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: .7rem;
  font-weight: 800;
  display: grid; place-items: center;
  transform: none;
}
.callout {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: var(--brand-50);
  border-left: 4px solid var(--brand-400);
  font-size: .9rem;
  color: var(--brand-800);
}
.callout strong { color: var(--brand-800); }

/* 13 数据 / 特性 ------------------------------------------------------------ */
.stat-band { background: var(--grad-ink); color: var(--ink-100); position: relative; overflow: hidden; }
.stat-band::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 123, .28), transparent 62%);
  pointer-events: none;
}
.stat-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, .08);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  background: rgba(9, 27, 21, .72);
  padding: clamp(22px, 3vw, 34px);
}
.stat strong {
  display: block;
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--brand-300);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat span { display: block; margin-top: 8px; font-size: .84rem; color: rgba(226, 243, 236, .66); }

.feature-list { display: grid; gap: 18px; }
.feature {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.feature h3 { font-size: 1rem; }
.feature p { margin-top: 5px; font-size: .89rem; color: var(--ink-500); }

.split {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.split-media { position: relative; }
.split-media img {
  width: 100%;
  border-radius: var(--r-xl);
  aspect-ratio: 5 / 4;
  object-fit: cover;
  box-shadow: var(--sh-lg);
}
.split-badge {
  position: absolute;
  left: -14px; bottom: 22px;
  background: var(--white);
  border-radius: var(--r-md);
  padding: 14px 18px;
  box-shadow: var(--sh-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}
.split-badge strong { font-size: 1.05rem; color: var(--ink-900); display: block; line-height: 1.2; }
.split-badge span { font-size: .72rem; color: var(--ink-400); }

/* 栏目导览 */
.lane {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) auto;
  gap: clamp(16px, 2.4vw, 28px);
  align-items: center;
  padding: 16px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--ink-100);
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.lane:hover { border-color: var(--brand-200); transform: translateY(-3px); box-shadow: var(--sh-md); }
.lane img { width: 200px; height: 118px; border-radius: var(--r-sm); object-fit: cover; }
.lane h3 { font-size: 1.05rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lane p { margin-top: 6px; font-size: .88rem; color: var(--ink-500); }
.lane__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.lane__tags span {
  font-size: .72rem;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--ink-50);
  color: var(--ink-500);
  border: 1px solid var(--ink-100);
}

/* 14 评价 ------------------------------------------------------------------- */
.quote {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 2.4vw, 28px);
}
.quote__stars { display: flex; gap: 3px; color: var(--amber); }
.quote__stars svg { width: 16px; height: 16px; }
.quote blockquote { font-size: .96rem; color: var(--ink-700); line-height: 1.8; }
.quote__person { display: flex; align-items: center; gap: 11px; margin-top: auto; }
.quote__person i {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-style: normal;
  font-weight: 800;
  font-size: .82rem;
  color: #052a1e;
  background: linear-gradient(140deg, var(--brand-200), var(--brand-400));
  flex: none;
}
.quote__person strong { display: block; font-size: .88rem; color: var(--ink-900); }
.quote__person span { font-size: .74rem; color: var(--ink-400); }

/* 15 CTA / 下载 ------------------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: var(--grad-ink);
  color: var(--ink-100);
  padding: clamp(30px, 4.4vw, 56px);
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  box-shadow: var(--sh-lg);
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -80px; top: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 203, 147, .34), transparent 64%);
}
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); }
.cta-band p { color: rgba(228, 244, 237, .76); margin-top: 12px; }
.cta-band .btn-group { margin-top: 24px; }
.cta-band .small { color: rgba(228, 244, 237, .52); }

.download-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--r-lg);
  padding: 22px;
  display: grid;
  gap: 14px;
  text-align: center;
  justify-items: center;
}
.qr-box {
  background: #fff;
  border-radius: var(--r-md);
  padding: 10px;
  width: 148px; height: 148px;
  display: grid;
  place-items: center;
}
.qr-box svg { width: 128px; height: 128px; }
.download-card strong { color: #fff; font-size: .95rem; }
.download-card span { color: rgba(228, 244, 237, .6); font-size: .76rem; line-height: 1.6; }

/* 表单 */
.form-row { display: flex; flex-wrap: wrap; gap: 10px; }
.field {
  flex: 1 1 220px;
  min-width: 0;
  padding: 13px 16px;
  border-radius: var(--r-pill);
  border: 1.5px solid var(--ink-200);
  background: var(--white);
  font-family: inherit;
  font-size: .92rem;
  color: var(--ink-800);
  width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field::placeholder { color: var(--ink-400); }
.field:focus {
  outline: none;
  border-color: var(--brand-400);
  box-shadow: 0 0 0 4px var(--brand-50);
}
textarea.field { border-radius: var(--r-md); resize: vertical; min-height: 108px; line-height: 1.7; }
label.field-label { display: block; font-size: .82rem; font-weight: 700; color: var(--ink-600); margin-bottom: 7px; }

/* 16 FAQ -------------------------------------------------------------------- */
.faq { display: grid; gap: 10px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.faq-item:hover { border-color: var(--brand-200); }
.faq-item.is-open { border-color: var(--brand-300); box-shadow: var(--sh-sm); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  text-align: left;
  font-weight: 700;
  font-size: .95rem;
  color: var(--ink-900);
}
.faq-q i {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--ink-50);
  display: grid; place-items: center;
  flex: none;
  transition: background-color .25s var(--ease), transform .25s var(--ease);
  font-style: normal;
  color: var(--ink-600);
  font-size: 1rem;
  line-height: 1;
}
.faq-item.is-open .faq-q i { background: var(--brand-400); color: #04241a; transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease);
}
.faq-a__in { padding: 0 20px 18px; font-size: .9rem; color: var(--ink-500); line-height: 1.8; }

/* 17 提示条 / 弹层 / 提示 ---------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 24px);
  z-index: 200;
  background: var(--ink-900);
  color: #eafbf3;
  padding: 12px 20px;
  border-radius: var(--r-pill);
  font-size: .86rem;
  font-weight: 600;
  box-shadow: var(--sh-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

.scrim {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(6, 20, 15, .5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
.scrim.is-show { opacity: 1; pointer-events: auto; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(5, 16, 12, .62);
}
.modal.is-open { display: grid; }
.modal-card {
  position: relative;
  width: min(880px, 100%);
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 14px;
  box-shadow: var(--sh-lg);
  animation: pop .32s var(--ease);
}
.modal-close {
  position: absolute;
  right: -10px; top: -10px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--white);
  color: var(--ink-900);
  display: grid; place-items: center;
  box-shadow: var(--sh-md);
  font-size: 1.2rem;
  z-index: 5;
}
.modal-close:hover { background: var(--brand-400); }
.modal-stage {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: #06120e;
  aspect-ratio: 16 / 9;
}
.modal-stage img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.modal-stage__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #eafbf3;
  text-align: center;
  gap: 10px;
  padding: 20px;
}
.modal-stage__play strong { display: block; font-size: 1rem; }
.modal-stage__play span { font-size: .8rem; color: rgba(230, 245, 238, .6); }
.modal-stage__play em {
  width: 66px; height: 66px;
  border-radius: 50%;
  background: var(--brand-400);
  color: #04241a;
  display: grid; place-items: center;
  margin: 0 auto 6px;
  font-style: normal;
}
.modal-stage__play svg { width: 24px; height: 24px; }

.back-top {
  position: fixed;
  right: 20px; bottom: 22px;
  z-index: 55;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--ink-200);
  color: var(--ink-800);
  display: grid; place-items: center;
  box-shadow: var(--sh-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.back-top.is-show { opacity: 1; pointer-events: auto; transform: none; }
.back-top:hover { border-color: var(--brand-400); color: var(--brand-700); }

/* 18 页脚 ------------------------------------------------------------------- */
.site-footer {
  background: #061410;
  color: rgba(226, 243, 236, .7);
  padding-top: clamp(44px, 5vw, 72px);
  padding-bottom: 28px;
  font-size: .88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: clamp(24px, 3vw, 44px);
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text em { color: rgba(226, 243, 236, .45); }
.footer-brand p { margin-top: 16px; max-width: 34ch; font-size: .86rem; line-height: 1.8; color: rgba(226, 243, 236, .6); }
.footer-col h4 {
  color: #fff;
  font-size: .86rem;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.footer-col li + li { margin-top: 9px; }
.footer-col a { color: rgba(226, 243, 236, .66); font-size: .86rem; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--brand-300); }
.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 22px;
}
.footer-tags a {
  font-size: .74rem;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, .14);
  color: rgba(226, 243, 236, .6);
  transition: all .2s var(--ease);
}
.footer-tags a:hover { border-color: var(--brand-400); color: var(--brand-200); }
.footer-legal {
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: .76rem;
  color: rgba(226, 243, 236, .45);
}
.footer-legal p { max-width: 70ch; line-height: 1.8; }
.footer-copy { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .76rem;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, .16);
  color: rgba(226, 243, 236, .7);
}
.copy-btn:hover { border-color: var(--brand-400); color: var(--brand-200); }
.copy-btn svg { width: 13px; height: 13px; }

/* 19 内页页头 --------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding-top: clamp(34px, 4vw, 56px);
  padding-bottom: clamp(34px, 4vw, 58px);
  background: var(--grad-mint);
  border-bottom: 1px solid var(--brand-100);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  right: -120px; top: -160px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 203, 147, .22), transparent 66%);
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 4vw, 48px); align-items: center; }
.page-hero h1 { margin-top: 16px; }
.page-hero .lead { margin-top: 14px; max-width: 46ch; }
.page-hero .btn-group { margin-top: 24px; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: .78rem;
  color: var(--ink-400);
}
.crumbs a { color: var(--ink-500); }
.crumbs a:hover { color: var(--brand-700); }
.crumbs span { color: var(--ink-300); }

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.metric-pill {
  background: var(--white);
  border: 1px solid var(--brand-100);
  border-radius: var(--r-md);
  padding: 12px 16px;
  box-shadow: var(--sh-xs);
  min-width: 108px;
}
.metric-pill strong { display: block; font-size: 1.2rem; font-weight: 900; color: var(--ink-900); letter-spacing: -.02em; }
.metric-pill span { font-size: .72rem; color: var(--ink-400); }

/* 筛选条 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-pill);
  width: fit-content;
  max-width: 100%;
  box-shadow: var(--sh-xs);
}
.filter-btn {
  padding: 8px 16px;
  border-radius: var(--r-pill);
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-500);
  transition: all .2s var(--ease);
  white-space: nowrap;
}
.filter-btn:hover { color: var(--ink-900); background: var(--ink-50); }
.filter-btn.is-active { background: var(--ink-900); color: #eafbf3; font-weight: 700; }

.tag-pick { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-pick button {
  padding: 6px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink-200);
  background: var(--white);
  font-size: .8rem;
  font-weight: 600;
  color: var(--ink-500);
  transition: all .2s var(--ease);
}
.tag-pick button:hover { border-color: var(--brand-300); color: var(--brand-700); }
.tag-pick button.is-active {
  background: var(--brand-50);
  border-color: var(--brand-400);
  color: var(--brand-700);
}

/* 20 其它组件 --------------------------------------------------------------- */
.notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: #fff8e9;
  border: 1px solid #ffe3b0;
  font-size: .84rem;
  color: #8a5a00;
  line-height: 1.7;
}
.notice svg { width: 17px; height: 17px; flex: none; margin-top: 3px; }

.matrix { border: 1px solid var(--ink-100); border-radius: var(--r-md); overflow: hidden; background: var(--white); }
.matrix table { font-size: .88rem; }
.matrix th,
.matrix td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--ink-100); }
.matrix thead th { background: var(--ink-50); font-size: .8rem; color: var(--ink-500); font-weight: 700; letter-spacing: .04em; }
.matrix tbody tr:last-child td { border-bottom: 0; }
.matrix td:first-child { font-weight: 700; color: var(--ink-800); }
.matrix .yes { color: var(--brand-600); font-weight: 800; }
.matrix .no { color: var(--ink-300); font-weight: 800; }

.pricing { display: grid; gap: 16px; }
.price-card { padding: clamp(20px, 2.4vw, 28px); display: flex; flex-direction: column; gap: 14px; }
.price-card--hot { border-color: var(--brand-300); box-shadow: var(--sh-md); position: relative; }
.price-card--hot::before {
  content: "最受欢迎";
  position: absolute;
  right: 18px; top: 18px;
  background: var(--grad-sunset);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--r-pill);
}
.price-card strong.amount { font-size: 1.9rem; font-weight: 900; color: var(--ink-900); letter-spacing: -.02em; }
.price-card strong.amount small { font-size: .8rem; font-weight: 600; color: var(--ink-400); }

.avatar-row { display: flex; align-items: center; gap: 8px; }
.avatar-row i {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-style: normal;
  font-weight: 800;
  font-size: .74rem;
  color: #052a1e;
  background: linear-gradient(140deg, var(--brand-200), var(--brand-400));
  flex: none;
}

/* 21 滚动动效 --------------------------------------------------------------- */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  animation: reveal-safety .01s linear 2.6s forwards;
}
.js-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
  animation: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--d, 0s);
}

@keyframes reveal-safety { to { opacity: 1; transform: none; } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-7px) rotate(2deg); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 107, 74, .6); } 70% { box-shadow: 0 0 0 8px rgba(255, 107, 74, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 107, 74, 0); } }
@keyframes scrollx { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }

/* 22 响应式 ---------------------------------------------------------------- */
@media (max-width: 1080px) {
  .grid-side { grid-template-columns: minmax(0, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { max-width: 620px; margin-inline: auto; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .lane { grid-template-columns: 160px minmax(0, 1fr) auto; }
  .lane img { width: 160px; height: 100px; }
  .cta-band { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-hero__inner { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split-media img { aspect-ratio: 16 / 10; }
  .download-card { max-width: 320px; margin-inline: auto; }
}

@media (max-width: 960px) {
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    z-index: 90;
    width: min(320px, 84vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 6px;
    padding: 84px 22px 30px;
    margin-left: 0;
    background: var(--white);
    border-left: 1px solid var(--ink-100);
    box-shadow: -24px 0 60px -30px rgba(8, 30, 22, .45);
    transform: translateX(102%);
    transition: transform .34s var(--ease);
    overflow-y: auto;
  }
  .nav-links.is-open { transform: none; }
  .nav-link { padding: 13px 16px; font-size: 1rem; border-radius: var(--r-sm); }
  .nav-link.is-active { background: var(--brand-50); }
  .nav-link.is-active::after { display: none; }
  .nav-links > .btn { display: inline-flex; margin-top: 14px; }
  .nav-close {
    display: grid;
    position: absolute;
    right: 18px; top: 20px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--ink-50);
    color: var(--ink-700);
    place-items: center;
    font-size: 1.1rem;
  }
  .nav-toggle { display: grid; }
  .header-cta { display: none; }
  .hide-md { display: none !important; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  :root { --header-h: 68px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero { padding-top: 20px; }
  .hero-art { min-height: 0; }
  .hero-frame { transform: none; box-shadow: 8px 10px 0 rgba(6, 182, 123, .16); aspect-ratio: 4 / 3; }
  .float-live { left: 8px; bottom: 10px; padding: 8px 11px; gap: 8px; max-width: 220px; transform: scale(.9); transform-origin: left bottom; animation: none; }
  .float-live img { width: 38px; height: 38px; border-radius: 10px; }
  .float-stat { right: 6px; top: -12px; transform: scale(.9); transform-origin: right top; animation: none; }
  .mascot { width: 70px; right: 0; bottom: -8px; }
  .lane { grid-template-columns: minmax(0, 1fr); }
  .lane img { width: 100%; height: 168px; }
  .lane .link-arrow { justify-self: start; }
  .topic { grid-template-columns: minmax(0, 1fr); }
  .topic__thumb { width: 100%; height: 160px; order: -1; }
  .cta-band { padding: 26px 20px; border-radius: var(--r-lg); }
  .btn-group .btn { flex: 1 1 100%; }
  .filter-bar { border-radius: var(--r-md); width: 100%; }
  .filter-btn { flex: 1 1 auto; text-align: center; }
  .player__play { width: 62px; height: 62px; }
  .player__play svg { width: 22px; height: 22px; }
  .player__caption { left: 16px; right: 16px; bottom: 14px; }
  .player__caption h2 { font-size: 1rem; }
  .matrix { overflow-x: auto; }
  .matrix table { min-width: 520px; }
  .split-badge { left: 8px; bottom: 12px; padding: 11px 14px; }
  .modal { padding: 12px; }
  .modal-close { right: 4px; top: -46px; }
  .episode { grid-template-columns: 76px minmax(0, 1fr); }
  .episode img { width: 76px; height: 48px; }
  .hero-proof { width: 100%; justify-content: flex-start; }
}

@media (max-width: 420px) {
  .hero-strip__item { flex-direction: column; align-items: flex-start; gap: 2px; padding: 13px 14px; }
  .hero-strip__item strong { font-size: 1.1rem; }
  .brand-text em { letter-spacing: .2em; }
  .stat-grid { grid-template-columns: minmax(0, 1fr); }
  .float-live { max-width: 196px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js-ready [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* 24 附加布局组件（首页 / 内页专用） ---------------------------------------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 20px);
}
.video-grid > .vcard:first-child {
  grid-column: span 2;
  grid-row: span 2;
}
.video-grid > .vcard:first-child { display: flex; flex-direction: column; }
.video-grid > .vcard:first-child .thumb { flex: 1 1 auto; aspect-ratio: auto; min-height: 240px; }
.video-grid > .vcard:first-child .vbody { padding: 20px 22px 24px; }
.video-grid > .vcard:first-child .vbody h3 { font-size: 1.2rem; }

.filter-empty {
  padding: 28px;
  text-align: center;
  color: var(--ink-400);
  font-size: .9rem;
  border: 1px dashed var(--ink-200);
  border-radius: var(--r-md);
  margin-top: 16px;
}

.aside-card { padding: 20px; }
.aside-card h3 {
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.aside-card h3 svg { width: 17px; height: 17px; color: var(--brand-600); }
.aside-card + .aside-card { margin-top: 16px; }
.aside-stack { display: grid; gap: 16px; }
.sticky-aside { position: sticky; top: calc(var(--header-h) + 18px); }

.live-item {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px dashed var(--ink-100);
}
.live-item:last-child { border-bottom: 0; }
.live-item img { width: 66px; height: 44px; border-radius: 9px; object-fit: cover; }
.live-item strong { display: block; font-size: .84rem; color: var(--ink-900); line-height: 1.4; }
.live-item span { font-size: .72rem; color: var(--ink-400); }

.page-hero__media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--white);
  box-shadow: var(--sh-lg);
  aspect-ratio: 4 / 3;
}
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__media .float-card { right: 14px; bottom: 14px; left: auto; top: auto; animation: none; }

.rule-list { display: grid; gap: 10px; }
.rule-list li {
  display: flex;
  gap: 10px;
  font-size: .84rem;
  color: var(--ink-500);
  line-height: 1.7;
}
.rule-list li svg { width: 15px; height: 15px; flex: none; margin-top: 4px; color: var(--brand-600); }

.tool-card { display: grid; grid-template-columns: 112px minmax(0, 1fr); overflow: hidden; }
.tool-card img { width: 112px; height: 100%; object-fit: cover; }
.tool-card__body { padding: 16px 18px; display: grid; gap: 6px; align-content: center; }
.tool-card__body h3 { font-size: .95rem; }
.tool-card__body p { font-size: .82rem; color: var(--ink-500); line-height: 1.6; }

.prose img { border-radius: var(--r-md); width: 100%; }
.prose figure { margin: 24px 0; }
.prose figcaption { margin-top: 10px; font-size: .78rem; color: var(--ink-400); }

.meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  font-size: .8rem;
  color: var(--ink-400);
}
.meta-line span { display: inline-flex; align-items: center; gap: 5px; }
.meta-line svg { width: 14px; height: 14px; }

.divider { height: 1px; background: var(--ink-100); margin-block: 26px; }

.subscribe-card {
  max-width: 720px;
  margin-inline: auto;
  padding: clamp(24px, 3.4vw, 40px);
  text-align: center;
  border-radius: var(--r-xl);
}
.subscribe-card .form-row { margin-top: 20px; justify-content: center; }
.subscribe-card .field { flex: 1 1 260px; }

.phone-frame {
  position: relative;
  width: min(260px, 100%);
  margin-inline: auto;
  border-radius: 34px;
  border: 8px solid var(--ink-900);
  background: var(--ink-900);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  aspect-ratio: 9 / 17;
}
.phone-frame img { width: 100%; height: 100%; object-fit: cover; }
.phone-frame::before {
  content: "";
  position: absolute;
  left: 50%; top: 10px;
  transform: translateX(-50%);
  width: 62px; height: 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .28);
  z-index: 2;
}

.store-row { display: flex; flex-wrap: wrap; gap: 10px; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: var(--r-sm);
  background: var(--ink-900);
  color: #eafbf3;
  transition: transform .25s var(--ease), background-color .25s var(--ease);
}
.store-btn:hover { transform: translateY(-2px); background: var(--ink-800); }
.store-btn svg { width: 22px; height: 22px; }
.store-btn span { display: grid; line-height: 1.2; text-align: left; }
.store-btn small { font-size: .62rem; opacity: .6; letter-spacing: .06em; }
.store-btn strong { font-size: .85rem; }

.version-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: .76rem;
  color: var(--ink-400);
}
.version-note span { display: inline-flex; align-items: center; gap: 6px; }
.version-note svg { width: 13px; height: 13px; color: var(--brand-500); }

.terms-block { display: grid; gap: 18px; }
.terms-block h3 { font-size: 1rem; }
.terms-block p { font-size: .86rem; color: var(--ink-500); line-height: 1.85; }

.mini-stat { display: flex; align-items: baseline; gap: 8px; }
.mini-stat strong { font-size: 1.5rem; font-weight: 900; color: var(--ink-900); letter-spacing: -.02em; }
.mini-stat span { font-size: .78rem; color: var(--ink-400); }

@media (max-width: 1080px) {
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .video-grid > .vcard:first-child { grid-column: span 2; grid-row: auto; }
  .video-grid > .vcard:first-child .thumb { aspect-ratio: 16 / 9; }
  .sticky-aside { position: static; }
}

@media (max-width: 680px) {
  .video-grid { grid-template-columns: minmax(0, 1fr); }
  .video-grid > .vcard:first-child { grid-column: auto; }
  .tool-card { grid-template-columns: 92px minmax(0, 1fr); }
  .tool-card img { width: 92px; }
}

/* 25 细节修补 --------------------------------------------------------------- */
.live-dot { display: inline-block; flex: none; }

.chip--glass {
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .34);
  color: #fff;
  backdrop-filter: blur(4px);
}

button.thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.episode__text,
.live-item__text { display: grid; gap: 2px; min-width: 0; }

.qr-box img { width: 128px; height: 128px; object-fit: contain; }

.field-label {
  display: block;
  font-size: .82rem;
  font-weight: 700;
  color: var(--ink-600);
  margin-bottom: 7px;
}

.stat-note { color: rgba(226, 243, 236, .38); }

.lane-stack { display: grid; gap: 12px; }

.sr-only:focus {
  position: fixed;
  left: 16px; top: 16px;
  width: auto; height: auto;
  margin: 0;
  padding: 10px 16px;
  clip: auto;
  background: var(--ink-900);
  color: #eafbf3;
  border-radius: var(--r-pill);
  font-size: .85rem;
  z-index: 300;
}

.chip--mint { background: var(--brand-100); color: var(--brand-800); }

/* 筛选条独立成行，避免胶囊容器被挤成两行 */
.section-head { flex-wrap: wrap; }
.section-head > .filter-bar {
  flex: 1 1 100%;
  width: 100%;
  border-radius: var(--r-md);
  justify-content: flex-start;
}

/* 侧栏榜单：标题占满可用宽度，分数与进度条另起一行 */
.aside-card .rank-item {
  grid-template-columns: 22px 64px minmax(0, 1fr);
  grid-template-rows: auto auto;
  row-gap: 5px;
  align-items: start;
}
.aside-card .rank-item img { width: 64px; height: 40px; grid-row: span 2; align-self: center; }
.aside-card .rank-num { grid-row: span 2; align-self: center; font-size: .88rem; }
.aside-card .rank-item h4 { grid-column: 3; -webkit-line-clamp: 3; }
.aside-card .rank-end {
  grid-column: 3;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}