/* ==========================================================================
   爆料网 BAOLIAO — 全站设计系统 v1.0
   风格：午夜编辑部 / 深色 + 热点渐变
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --bg: #0A0B10;
  --bg-soft: #0E1017;
  --surface: #141722;
  --surface-2: #1A1E2B;
  --surface-3: #212637;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #F3F4F8;
  --text-2: #A6ADBF;
  --text-3: #6C7385;

  --hot: #FF2D55;
  --hot-2: #FF7A18;
  --gold: #FFC44D;
  --blue: #5B7CFF;
  --mint: #25E2A5;

  --grad: linear-gradient(120deg, #FF2D55 0%, #FF7A18 100%);
  --grad-2: linear-gradient(120deg, #FF7A18 0%, #FFC44D 100%);

  --shadow-sm: 0 8px 24px -12px rgba(0, 0, 0, 0.7);
  --shadow: 0 22px 50px -22px rgba(0, 0, 0, 0.85);
  --glow: 0 0 0 1px rgba(255, 45, 85, 0.35), 0 18px 44px -18px rgba(255, 45, 85, 0.55);

  --r-xs: 8px;
  --r-sm: 12px;
  --r: 18px;
  --r-lg: 24px;
  --r-xl: 32px;

  --container: 1200px;
  --ease: cubic-bezier(0.22, 0.7, 0.3, 1);

  --font: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei UI",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 全站氛围光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(255, 45, 85, 0.17), transparent 62%),
    radial-gradient(780px 480px at 94% 2%, rgba(255, 122, 24, 0.13), transparent 64%),
    radial-gradient(1100px 720px at 50% 112%, rgba(91, 124, 255, 0.11), transparent 66%);
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { line-height: 1.28; letter-spacing: -0.01em; }
::selection { background: rgba(255, 45, 85, 0.4); color: #fff; }

:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 3. Layout ---------- */
.container {
  width: min(100% - 44px, var(--container));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.section { padding: 88px 0; position: relative; z-index: 1; }
.section--tight { padding: 56px 0; }
.section--soft { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.022) 50%, transparent); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hot);
  margin-bottom: 10px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

.section-title {
  font-size: clamp(24px, 3.1vw, 38px);
  font-weight: 800;
}

.section-sub {
  color: var(--text-2);
  font-size: 15px;
  margin-top: 10px;
  max-width: 62ch;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.link-more {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-2);
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: all 0.3s var(--ease);
}
.link-more:hover { color: var(--text); border-color: var(--line-strong); background: rgba(255, 255, 255, 0.05); }
.link-more span { transition: transform 0.3s var(--ease); }
.link-more:hover span { transform: translateX(3px); }

.grid { display: grid; gap: 20px; }
.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--sidebar { grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr); gap: 26px; align-items: start; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    background 0.28s var(--ease), border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.btn--sm { padding: 9px 17px; font-size: 13.5px; }
.btn--lg { padding: 15px 30px; font-size: 16px; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 14px 34px -14px rgba(255, 45, 85, 0.8);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 44px -14px rgba(255, 45, 85, 0.95); }

.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-2px); }

.btn--light { background: #fff; color: #0A0B10; }
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -18px rgba(255, 255, 255, 0.5); }

/* ---------- 5. Ticker ---------- */
.ticker {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 40px;
  padding-inline: max(22px, calc((100% - var(--container)) / 2));
  background: linear-gradient(90deg, rgba(255, 45, 85, 0.16), rgba(255, 122, 24, 0.06) 45%, transparent);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.ticker__label {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--hot);
}

.ticker__viewport { flex: 1; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }

.ticker__track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: marquee 46s linear infinite;
  will-change: transform;
}
.ticker:hover .ticker__track { animation-play-state: paused; }

.ticker__item { font-size: 13px; color: var(--text-2); display: inline-flex; align-items: center; gap: 8px; }
.ticker__item b {
  font-size: 10.5px;
  font-weight: 800;
  color: #fff;
  background: var(--grad);
  padding: 1px 6px;
  border-radius: 5px;
  letter-spacing: 0;
}
.ticker__item--hot { color: var(--text); }

@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 6. Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(10, 11, 16, 0.78);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.site-header.is-scrolled { box-shadow: 0 14px 40px -26px #000; }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 68px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }

.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 10px 24px -12px rgba(255, 45, 85, 0.9);
}

.brand__name { font-size: 17px; font-weight: 800; letter-spacing: 0.02em; line-height: 1.1; }
.brand__sub { display: block; font-size: 9.5px; font-weight: 700; letter-spacing: 0.34em; color: var(--text-3); }

.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: 14px; }

.nav__link {
  position: relative;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-2);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav__link:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

.nav__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 11px;
  align-items: center;
  justify-content: center;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  width: 17px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav__toggle span::before { transform: translateY(-6px); }
.nav__toggle span::after { transform: translateY(4px); }
.nav__toggle.is-open span { background: transparent; }
.nav__toggle.is-open span::before { transform: rotate(45deg) translateY(0); }
.nav__toggle.is-open span::after { transform: rotate(-45deg) translateY(-2px); }

/* ---------- 7. Live dot ---------- */
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  display: inline-block;
  flex: none;
}
.dot--live { background: var(--hot); animation: pulse 1.9s infinite; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 45, 85, 0.6); }
  70% { box-shadow: 0 0 0 9px rgba(255, 45, 85, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 45, 85, 0); }
}

/* ---------- 8. Hero (首页) ---------- */
.hero { padding: 74px 0 78px; position: relative; z-index: 1; overflow: hidden; }

.hero::after {
  content: "爆料";
  position: absolute;
  right: -0.06em;
  bottom: -0.34em;
  font-size: clamp(140px, 22vw, 320px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.022);
  pointer-events: none;
  z-index: 0;
  line-height: 1;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 56px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid rgba(255, 45, 85, 0.28);
  background: rgba(255, 45, 85, 0.1);
  font-size: 13px;
  font-weight: 600;
  color: #FFB3C2;
  margin-bottom: 22px;
}

.hero__title {
  font-size: clamp(34px, 5.1vw, 62px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero__lead {
  margin-top: 22px;
  font-size: 16.5px;
  color: var(--text-2);
  max-width: 56ch;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.stat b {
  display: block;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat span { font-size: 12.5px; color: var(--text-3); }

/* 实时榜卡片 */
.livecard {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(26, 30, 43, 0.94), rgba(16, 18, 26, 0.94));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.livecard::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: var(--grad);
}

.livecard__head {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 19px 20px 15px;
  border-bottom: 1px solid var(--line);
}
.livecard__head h2 { font-size: 16px; font-weight: 800; }

.livecard__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--grad);
  padding: 3px 9px;
  border-radius: 999px;
}

.livecard__clock {
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.live-rows { padding: 8px; }

.live-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 12px;
  transition: background 0.25s var(--ease);
}
.live-row:hover { background: rgba(255, 255, 255, 0.05); }

.live-row__no {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 12.5px;
  font-weight: 800;
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.05);
}
.live-row:nth-child(1) .live-row__no { background: var(--grad); color: #fff; }
.live-row:nth-child(2) .live-row__no { background: rgba(255, 122, 24, 0.9); color: #fff; }
.live-row:nth-child(3) .live-row__no { background: rgba(255, 196, 77, 0.85); color: #201603; }

.live-row__text { flex: 1; min-width: 0; font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live-row__heat { flex: none; font-size: 12px; font-weight: 700; color: var(--hot); font-variant-numeric: tabular-nums; }

.livecard__foot {
  display: block;
  text-align: center;
  padding: 14px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-2);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  transition: color 0.25s, background 0.25s;
}
.livecard__foot:hover { color: #fff; background: rgba(255, 45, 85, 0.12); }

/* ---------- 9. Panels & cards ---------- */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(26, 30, 43, 0.72), rgba(14, 16, 23, 0.72));
  box-shadow: var(--shadow-sm);
  padding: 22px;
}

.panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.panel__head h3 { font-size: 16px; font-weight: 800; }
.panel__head .tag { margin-left: auto; }

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 999px;
  color: #FFB3C2;
  background: rgba(255, 45, 85, 0.14);
  border: 1px solid rgba(255, 45, 85, 0.24);
}
.tag--gold { color: #FFE0A3; background: rgba(255, 196, 77, 0.14); border-color: rgba(255, 196, 77, 0.28); }
.tag--blue { color: #BFCBFF; background: rgba(91, 124, 255, 0.14); border-color: rgba(91, 124, 255, 0.28); }
.tag--mint { color: #A6F4DA; background: rgba(37, 226, 165, 0.14); border-color: rgba(37, 226, 165, 0.28); }

/* 排行榜行 */
.rank { display: flex; align-items: center; gap: 14px; padding: 14px 4px; border-bottom: 1px dashed var(--line); }
.rank:last-child { border-bottom: 0; }
.rank__no {
  flex: none;
  width: 30px;
  font-size: 15px;
  font-weight: 800;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  transition: color 0.25s;
}
.rank:nth-child(-n + 3) .rank__no { font-size: 19px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rank__title { flex: 1; min-width: 0; font-size: 15.5px; font-weight: 600; transition: color 0.25s; }
.rank:hover .rank__title { color: var(--hot-2); }
.rank__heat { flex: none; font-size: 12.5px; font-weight: 700; color: var(--text-3); font-variant-numeric: tabular-nums; }

/* ---------- 10. 视频卡 ---------- */
.vcard {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.vcard:hover { transform: translateY(-6px); border-color: rgba(255, 45, 85, 0.36); box-shadow: var(--glow); }

.vcard__cover {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  isolation: isolate;
}
.vcard__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(120% 90% at 78% 12%, rgba(255, 255, 255, 0.24), transparent 58%),
    linear-gradient(180deg, transparent 42%, rgba(0, 0, 0, 0.62));
}

.cover__glyph {
  position: absolute;
  right: 8px;
  bottom: -18px;
  font-size: 92px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.15);
  z-index: 1;
  letter-spacing: -0.05em;
}

.cover--1 { background: linear-gradient(135deg, #FF2D55, #7A1FFF); }
.cover--2 { background: linear-gradient(135deg, #FF7A18, #FF2D55); }
.cover--3 { background: linear-gradient(135deg, #101B3D, #5B7CFF); }
.cover--4 { background: linear-gradient(135deg, #06352F, #25E2A5); }
.cover--5 { background: linear-gradient(135deg, #3B0B2E, #FF2D9B); }
.cover--6 { background: linear-gradient(135deg, #2A1A0B, #FFC44D); }
.cover--7 { background: linear-gradient(135deg, #0D1B2E, #00C2FF); }
.cover--8 { background: linear-gradient(135deg, #2E0B12, #FF5C5C); }

.vcard__badge {
  position: absolute;
  top: 11px;
  left: 11px;
  z-index: 3;
  font-size: 10.5px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 7px;
  background: var(--grad);
  color: #fff;
}

.vcard__dur {
  position: absolute;
  right: 11px;
  bottom: 11px;
  z-index: 3;
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.vcard__play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 52px;
  height: 52px;
  z-index: 3;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.36);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.82);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.vcard__play::after {
  content: "";
  border-left: 15px solid #fff;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 4px;
}
.vcard:hover .vcard__play { opacity: 1; transform: scale(1); }

.vcard__body { padding: 15px 16px 17px; }
.vcard__title { font-size: 15px; font-weight: 700; line-height: 1.5; }
.vcard__meta { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12.5px; color: var(--text-3); }
.vcard__meta .dot { width: 4px; height: 4px; background: var(--text-3); }

/* ---------- 11. 筛选器 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 9px; }

.filter {
  padding: 8px 17px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  transition: all 0.28s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--line-strong); }
.filter.is-on { color: #fff; background: var(--grad); border-color: transparent; box-shadow: 0 10px 26px -12px rgba(255, 45, 85, 0.85); }

/* ---------- 12. 全景页头 ---------- */
.page-hero {
  padding: 62px 0 46px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.page-hero__inner { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); gap: 40px; align-items: end; }
.page-hero h1 { font-size: clamp(30px, 4.2vw, 50px); font-weight: 900; letter-spacing: -0.03em; }
.page-hero p { color: var(--text-2); margin-top: 16px; max-width: 62ch; font-size: 16px; }

.breadcrumb { display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--text-3); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--hot-2); }

.page-hero__aside { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }

.kpi {
  min-width: 118px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.03);
}
.kpi b { display: block; font-size: 23px; font-weight: 800; font-variant-numeric: tabular-nums; }
.kpi span { font-size: 12px; color: var(--text-3); }

/* ---------- 13. 时间线 ---------- */
.tl { position: relative; padding-left: 4px; }
.tl::before {
  content: "";
  position: absolute;
  left: 63px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--hot), rgba(255, 122, 24, 0.4) 40%, transparent);
}

.tl__item { display: flex; gap: 24px; padding-bottom: 16px; position: relative; }

.tl__time {
  flex: none;
  width: 44px;
  padding-top: 16px;
  text-align: right;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.tl__card {
  flex: 1;
  min-width: 0;
  position: relative;
  padding: 17px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(26, 30, 43, 0.7), rgba(14, 16, 23, 0.7));
  transition: border-color 0.32s var(--ease), transform 0.32s var(--ease), background 0.32s;
}
.tl__card::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--hot);
  box-shadow: 0 0 0 4px rgba(255, 45, 85, 0.16);
}
.tl__card:hover { border-color: rgba(255, 45, 85, 0.34); transform: translateX(4px); }

.tl__top { display: flex; align-items: center; gap: 9px; margin-bottom: 9px; flex-wrap: wrap; }
.tl__heat { margin-left: auto; font-size: 12.5px; font-weight: 700; color: var(--hot-2); font-variant-numeric: tabular-nums; }
.tl__card h3 { font-size: 16.5px; font-weight: 700; }
.tl__card p { font-size: 14px; color: var(--text-2); margin-top: 8px; }
.tl__more { display: inline-block; margin-top: 12px; font-size: 13.5px; font-weight: 700; color: var(--hot-2); }

/* ---------- 14. 24H 热力条 ---------- */
.heatbar { display: flex; align-items: flex-end; gap: 5px; height: 132px; padding-top: 8px; }
.heatbar__col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 7px; height: 100%; justify-content: flex-end; }
.heatbar__bar {
  width: 100%;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--hot), rgba(255, 122, 24, 0.35));
  height: var(--h, 30%);
  min-height: 5px;
  transition: filter 0.25s, transform 0.25s var(--ease);
}
.heatbar__col:hover .heatbar__bar { filter: brightness(1.35); transform: scaleY(1.06); }
.heatbar__lb { font-size: 9.5px; color: var(--text-3); font-variant-numeric: tabular-nums; }

/* ---------- 15. 话题卡 ---------- */
.topic-card {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(26, 30, 43, 0.75), rgba(14, 16, 23, 0.75));
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.topic-card::after {
  content: "";
  position: absolute;
  inset: auto -40% -70% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.22), transparent 68%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.topic-card:hover { transform: translateY(-6px); border-color: rgba(255, 45, 85, 0.34); box-shadow: var(--glow); }
.topic-card:hover::after { opacity: 1; }

.topic-card__top { display: flex; align-items: center; gap: 11px; position: relative; z-index: 1; }
.topic-card__hash {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 800;
  background: rgba(255, 45, 85, 0.14);
  color: var(--hot);
  border: 1px solid rgba(255, 45, 85, 0.24);
}
.topic-card h3 { font-size: 16.5px; font-weight: 800; }
.topic-card p { font-size: 13.5px; color: var(--text-2); position: relative; z-index: 1; }

.topic-card__stats {
  display: flex;
  gap: 22px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  position: relative;
  z-index: 1;
}
.topic-card__stats b { display: block; font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; }
.topic-card__stats span { font-size: 11.5px; color: var(--text-3); }

/* 迷你趋势条 */
.spark { display: flex; align-items: flex-end; gap: 3px; height: 30px; }
.spark i {
  flex: 1;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--hot-2), rgba(255, 45, 85, 0.3));
  height: var(--h);
  opacity: 0.75;
}
.spark i:last-child { opacity: 1; background: var(--grad); }

/* 话题擂台 */
.podium { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.podium .topic-card:nth-child(1) { border-color: rgba(255, 45, 85, 0.42); }
.podium .topic-card:nth-child(2) { border-color: rgba(255, 122, 24, 0.34); }
.podium .topic-card:nth-child(3) { border-color: rgba(255, 196, 77, 0.3); }
.podium__medal { font-size: 12px; font-weight: 800; letter-spacing: 0.1em; }
.podium .topic-card:nth-child(1) .podium__medal { color: var(--hot); }
.podium .topic-card:nth-child(2) .podium__medal { color: var(--hot-2); }
.podium .topic-card:nth-child(3) .podium__medal { color: var(--gold); }

/* 话题墙 */
.cloud { display: flex; flex-wrap: wrap; gap: 11px; }
.cloud a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-weight: 600;
  transition: all 0.28s var(--ease);
}
.cloud a:hover { border-color: rgba(255, 45, 85, 0.42); background: rgba(255, 45, 85, 0.12); transform: translateY(-2px); }
.cloud a.s-lg { font-size: 17px; font-weight: 800; }
.cloud a.s-md { font-size: 15px; }
.cloud a.s-sm { font-size: 13.5px; color: var(--text-2); }
.cloud a em { font-style: normal; font-size: 11.5px; color: var(--text-3); font-variant-numeric: tabular-nums; }

/* ---------- 16. 特色 / 步骤 ---------- */
.feature {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.022);
  transition: border-color 0.35s var(--ease), background 0.35s, transform 0.35s var(--ease);
}
.feature:hover { border-color: rgba(255, 45, 85, 0.3); background: rgba(255, 255, 255, 0.05); transform: translateY(-4px); }

.feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 21px;
  background: rgba(255, 45, 85, 0.12);
  border: 1px solid rgba(255, 45, 85, 0.22);
  margin-bottom: 15px;
}
.feature h3 { font-size: 16.5px; font-weight: 800; }
.feature p { font-size: 13.8px; color: var(--text-2); margin-top: 9px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: s; }
.step { padding: 26px 22px 24px; border: 1px solid var(--line); border-radius: var(--r); background: rgba(255, 255, 255, 0.022); position: relative; }
.step__no {
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
  display: block;
}
.step h3 { font-size: 16.5px; font-weight: 800; }
.step p { font-size: 13.8px; color: var(--text-2); margin-top: 8px; }

/* ---------- 17. CTA 区块 ---------- */
.cta {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 45, 85, 0.26);
  border-radius: var(--r-xl);
  overflow: hidden;
  background:
    radial-gradient(700px 300px at 12% 0%, rgba(255, 45, 85, 0.22), transparent 62%),
    radial-gradient(560px 280px at 92% 110%, rgba(255, 122, 24, 0.18), transparent 64%),
    linear-gradient(150deg, #171A26, #0D0F16);
  padding: 48px;
}
.cta__inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 40px; align-items: center; }
.cta h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 900; letter-spacing: -0.02em; }
.cta p { color: var(--text-2); margin-top: 14px; max-width: 52ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 26px; }

.download-box {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
}
.qr {
  flex: none;
  width: 116px;
  height: 116px;
  border-radius: 14px;
  background: #fff;
  padding: 9px;
}
.qr img { width: 100%; height: 100%; }
.download-box__txt b { display: block; font-size: 15.5px; font-weight: 800; }
.download-box__txt span { font-size: 12.5px; color: var(--text-3); display: block; margin-top: 4px; }
.download-box__badges { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.mini-badge {
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- 18. 手机样机 ---------- */
.phone {
  width: 300px;
  margin-inline: auto;
  padding: 11px;
  border-radius: 42px;
  background: linear-gradient(160deg, #2A2F42, #101219);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 46px 90px -40px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  position: relative;
}
.phone::after {
  content: "";
  position: absolute;
  top: 100px;
  right: -7px;
  width: 3px;
  height: 54px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.16);
}
.phone__screen {
  border-radius: 32px;
  overflow: hidden;
  background: #0A0B10;
  aspect-ratio: 9 / 17.5;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.phone__bar { display: flex; align-items: center; gap: 8px; font-size: 10px; color: var(--text-3); }
.phone__bar i { width: 26px; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.18); display: block; }
.phone__logo { display: flex; align-items: center; gap: 7px; }
.phone__logo span { width: 22px; height: 22px; border-radius: 7px; background: var(--grad); display: grid; place-items: center; font-size: 11px; font-weight: 800; color: #fff; }
.phone__logo b { font-size: 12px; font-weight: 800; }
.phone__hero {
  border-radius: 14px;
  padding: 13px;
  background: linear-gradient(140deg, rgba(255, 45, 85, 0.9), rgba(255, 122, 24, 0.75));
  color: #fff;
}
.phone__hero b { display: block; font-size: 12.5px; font-weight: 800; }
.phone__hero span { font-size: 9.5px; opacity: 0.9; }
.phone__row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.045);
}
.phone__thumb { width: 34px; height: 34px; border-radius: 9px; flex: none; }
.phone__row div { min-width: 0; }
.phone__row b { display: block; font-size: 10.5px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.phone__row span { font-size: 9px; color: var(--text-3); }
.phone__nav { margin-top: auto; display: flex; justify-content: space-around; padding-top: 9px; border-top: 1px solid var(--line); font-size: 9.5px; color: var(--text-3); }
.phone__nav i { font-style: normal; display: grid; place-items: center; gap: 3px; }
.phone__nav i:first-child { color: var(--hot); }

/* ---------- 19. FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.022);
  padding: 4px 20px;
  transition: border-color 0.3s var(--ease), background 0.3s;
}
.faq details[open] { border-color: rgba(255, 45, 85, 0.3); background: rgba(255, 45, 85, 0.05); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 15px 0;
  font-size: 15.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: rgba(255, 45, 85, 0.16);
  color: var(--hot);
  font-size: 15px;
  font-weight: 800;
  transition: transform 0.3s var(--ease);
}
.faq details[open] summary::before { content: "−"; transform: rotate(180deg); }
.faq p { font-size: 14px; color: var(--text-2); padding: 0 0 17px 34px; }

/* ---------- 20. 页脚 ---------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%);
  padding: 60px 0 26px;
  margin-top: 40px;
}
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 40px; }
.footer__about p { font-size: 13.6px; color: var(--text-2); margin-top: 15px; max-width: 42ch; }
.footer h4 { font-size: 13px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 15px; }
.footer__links { display: grid; gap: 10px; }
.footer__links a { font-size: 14px; color: var(--text-2); transition: color 0.25s; }
.footer__links a:hover { color: var(--hot-2); }

.footer__bottom {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: center;
  font-size: 12.5px;
  color: var(--text-3);
}
.footer__bottom .sep { margin-left: auto; }
.disclaimer { font-size: 12px; color: var(--text-3); opacity: 0.85; margin-top: 14px; line-height: 1.7; }

/* ---------- 21. 装饰 & 工具类 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0ms); }
.reveal.is-in { opacity: 1; transform: none; }

.eyebrow-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; justify-content: space-between; margin-bottom: 26px; }

.is-hidden { display: none !important; }
.mt-28 { margin-top: 28px; }
.mt-44 { margin-top: 44px; }
.center { text-align: center; }

.side-stack { display: grid; gap: 20px; }

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 16px 34px -14px rgba(255, 45, 85, 0.9);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.to-top.is-on { opacity: 1; pointer-events: auto; transform: none; }

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero__inner { grid-template-columns: 1fr; gap: 46px; }
  .hero::after { opacity: 0.6; }
  .grid--sidebar { grid-template-columns: 1fr; }
  .page-hero__inner { grid-template-columns: 1fr; align-items: start; }
  .page-hero__aside { justify-content: flex-start; }
  .cta__inner { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
}

@media (max-width: 900px) {
  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin: 0;
    padding: 14px 22px 20px;
    background: rgba(12, 13, 19, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__link { padding: 12px 14px; font-size: 15.5px; }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { background: rgba(255, 45, 85, 0.14); color: #fff; }
  .nav { position: relative; }
  .nav__toggle { display: inline-flex; }
  .nav__actions .btn--ghost { display: none; }
}

@media (max-width: 820px) {
  .section { padding: 62px 0; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .podium, .steps { grid-template-columns: 1fr; }
  .cta { padding: 34px 24px; }
  .tl::before { left: 7px; }
  .tl__item, .tl__card { display: block; }
  .tl__item { padding-left: 30px; }
  .tl__time { width: auto; text-align: left; padding: 0 0 7px; }
  .tl__card::before { left: -28px; top: 6px; }
  .cloud a.s-lg { font-size: 15px; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 32px, var(--container)); }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 56px; }
  .hero__stats { gap: 16px 26px; }
  .stat b { font-size: 24px; }
  .ticker { padding-inline: 16px; }
  .download-box { flex-direction: column; align-items: flex-start; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom .sep { margin-left: 0; width: 100%; }
  .panel { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}