/* ═══════════════════════════════════════════════════
   VIVI · AI 活动主理人 — 官网 A 版（工程感 × 活力）
   风格参照 haoqi.design：暗/亮双主题、等宽字体系统、
   编辑部式分栏、acid 高亮、实时装饰（时钟/坐标）
   ═══════════════════════════════════════════════════ */

/* ---------- 字体 ---------- */
@font-face {
  font-family: "ChiGuang";
  src: url("../v-haoqi/fonts/chiguang-tecu.woff2") format("woff2");
  font-weight: 900;
  font-display: swap;
}

/* ---------- 变量 / 主题 ---------- */
:root {
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  --sans: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --disp: "ChiGuang", "Noto Sans SC", "PingFang SC", sans-serif;
  --acid: #c0fe04;
  --acid-ink: #111408;
  --max: 1280px;
  --pad: clamp(20px, 4vw, 56px);
  --ease: cubic-bezier(.22,.9,.24,1);
}
html[data-theme="dark"] {
  --bg: #0f1110;
  --bg2: #161917;
  --bg3: #1d211e;
  --ink: #f2f1e9;
  --mut: rgba(242,241,233,.56);
  --faint: rgba(242,241,233,.32);
  --line: rgba(242,241,233,.15);
  --line-strong: rgba(242,241,233,.32);
  --acid-text: #c0fe04;
  --card: #141715;
  color-scheme: dark;
}
html[data-theme="light"] {
  --bg: #fbfaf4;
  --bg2: #efede7;
  --bg3: #e7e4da;
  --ink: #171812;
  --mut: rgba(23,24,18,.58);
  --faint: rgba(23,24,18,.34);
  --line: rgba(23,24,18,.16);
  --line-strong: rgba(23,24,18,.4);
  --acid-text: #55700a;
  --card: #f5f3ea;
  color-scheme: light;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .45s var(--ease), color .45s var(--ease);
}
::selection { background: var(--acid); color: var(--acid-ink); }
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--mono); font-feature-settings: "tnum"; }
b { font-weight: 700; }
mark { background: var(--acid); color: var(--acid-ink); padding: 0 .12em; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--acid); }

/* ---------- 颗粒噪点 ---------- */
.grain {
  position: fixed; inset: -50%;
  pointer-events: none; z-index: 9998;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); } 20% { transform: translate(-3%,2%); }
  40% { transform: translate(2%,-3%); } 60% { transform: translate(-2%,-2%); }
  80% { transform: translate(3%,3%); }
}

/* ---------- LOADER ---------- */
#loader {
  position: fixed; inset: 0; z-index: 10000;
  background: #0d0f0e; color: #f2f1e9;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s;
}
#loader.done { opacity: 0; visibility: hidden; }
.loader-inner { width: min(420px, 78vw); }
.loader-top { font-size: 12px; letter-spacing: .12em; margin-bottom: 14px; color: rgba(242,241,233,.7); }
.loader-bar { height: 2px; background: rgba(242,241,233,.18); overflow: hidden; }
.loader-bar i { display: block; height: 100%; width: 0; background: #c0fe04; transition: width .18s linear; }
.loader-foot { display: flex; justify-content: space-between; margin-top: 12px; font-size: 12px; letter-spacing: .14em; }
#loader-pct { color: #c0fe04; }
.loader-label { color: rgba(242,241,233,.45); }

/* ---------- NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  padding: 14px var(--pad);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-left { display: flex; align-items: baseline; gap: 14px; min-width: 0; }
.brand { font-size: 15px; font-weight: 600; letter-spacing: .05em; white-space: nowrap; }
.brand-c { color: var(--faint); font-weight: 400; }
.nav-role { font-size: 10px; letter-spacing: .22em; color: var(--faint); white-space: nowrap; }
.nav-links { display: flex; gap: clamp(10px, 1.6vw, 22px); font-size: 12.5px; }
.nav-links a { position: relative; padding: 3px 2px; color: var(--mut); transition: color .2s; white-space: nowrap; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--acid); transition: right .25s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { right: 0; }
.nav-right { display: flex; align-items: center; gap: 16px; font-size: 12px; }
.clock { color: var(--mut); letter-spacing: .08em; }
.theme-btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
  background: none; border: 1px solid var(--line-strong); color: var(--ink);
  padding: 4px 10px; cursor: pointer; transition: all .2s;
}
.theme-btn:hover { background: var(--acid); color: var(--acid-ink); border-color: var(--acid); }
.theme-btn .key { color: var(--faint); margin-left: 4px; }
.theme-btn:hover .key { color: var(--acid-ink); }

.menu-btn { display: none; }
.menu-sheet { display: none; }

/* ---------- HERO ---------- */
.hero {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(140px, 20vh, 220px) var(--pad) 0;
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: flex-start;
}
.hero-eyebrow {
  font-size: 11.5px; letter-spacing: .2em; color: var(--mut);
  border-left: 3px solid var(--acid); padding-left: 12px;
  margin-bottom: clamp(28px, 4vh, 48px);
}
.hero-title { display: block; }
.hero-tag {
  display: block; font-size: clamp(12px, 1.4vw, 15px);
  letter-spacing: .18em; color: var(--acid-text); margin-bottom: 10px;
  min-height: 1.4em;
}
.hero-line {
  display: block;
  font-family: var(--disp);
  font-weight: 900;
  font-size: clamp(56px, 10.5vw, 156px);
  line-height: 1.04;
  letter-spacing: .01em;
  min-height: 1.1em;
}
.hero-line.swap { animation: heroswap .55s var(--ease); }
@keyframes heroswap {
  0% { clip-path: inset(0 0 100% 0); transform: translateY(14px); }
  100% { clip-path: inset(0 0 0% 0); transform: translateY(0); }
}
.hero-sub {
  margin-top: clamp(30px, 5vh, 56px);
  display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr);
  gap: clamp(20px, 4vw, 64px);
  align-items: start;
}
.hero-sub > * { min-width: 0; max-width: 100%; }
.hero-intro { font-size: clamp(16px, 1.6vw, 20px); font-weight: 500; line-height: 1.9; }
.hero-intro b { color: var(--acid-text); }
.hero-mission {
  font-size: 14px; color: var(--mut); line-height: 2;
  border-top: 1px solid var(--line); padding-top: 14px;
}
.hero-cta { display: flex; gap: 14px; margin-top: clamp(28px, 4vh, 48px); flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-weight: 700; font-size: 15px;
  padding: 13px 26px; border: 1px solid var(--line-strong);
  transition: all .22s var(--ease); cursor: pointer;
}
.btn-acid { background: var(--acid); color: var(--acid-ink); border-color: var(--acid); }
.btn-acid:hover { transform: translate(3px,-3px); box-shadow: -4px 4px 0 var(--line-strong); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.hero-marquee {
  margin-top: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden; white-space: nowrap;
  padding: 13px 0; font-size: 13px; letter-spacing: .1em;
  color: var(--mut);
  margin-left: calc(-1 * var(--pad)); margin-right: calc(-1 * var(--pad));
}
.marquee-track { display: inline-flex; gap: 34px; animation: marquee 30s linear infinite; padding-right: 34px; }
.marquee-track span { flex: none; }
.marquee-track i { color: var(--acid-text); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 区块通用 ---------- */
.section {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(80px, 12vh, 150px) var(--pad) 0;
}
.section-head {
  display: flex; align-items: baseline; gap: 18px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 14px; margin-bottom: clamp(30px, 5vh, 54px);
  flex-wrap: wrap;
}
.sec-no { font-size: 13px; color: var(--acid-text); letter-spacing: .1em; }
.sec-title {
  font-family: var(--disp); font-weight: 900;
  font-size: clamp(30px, 4.6vw, 58px); line-height: 1.1; letter-spacing: .01em;
}
.sec-en { margin-left: auto; font-size: 11px; letter-spacing: .2em; color: var(--faint); }
.footnote { font-size: 11.5px; color: var(--faint); margin-top: 22px; letter-spacing: .04em; }

/* ---------- 01 STATS ---------- */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line); border-top: 1px solid var(--line);
}
.stat {
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: clamp(20px, 2.6vw, 34px);
  transition: background .25s;
  position: relative;
}
.stat:hover { background: var(--bg2); }
.stat-core { background: var(--acid); color: var(--acid-ink); }
.stat-core:hover { background: var(--acid); }
.stat-core .stat-note, .stat-core .stat-label { color: var(--acid-ink); opacity: .75; }
.stat-value { font-size: clamp(38px, 4.6vw, 64px); font-weight: 600; line-height: 1.05; letter-spacing: -.02em; }
.stat-value em { font-style: normal; font-size: .55em; vertical-align: .28em; }
.stat-label { font-weight: 700; margin-top: 6px; font-size: 15px; }
.stat-note { font-size: 11px; color: var(--mut); margin-top: 8px; letter-spacing: .05em; line-height: 1.6; }

/* ---------- 02 SERIES ---------- */
.series-row { border-top: 1px solid var(--line); }
.series-row:last-of-type { border-bottom: 1px solid var(--line); }
.series-row summary {
  list-style: none; cursor: pointer;
  display: grid;
  grid-template-columns: 44px 14px minmax(180px, .8fr) 1.2fr auto 30px;
  align-items: center; gap: 16px;
  padding: 24px 6px;
  transition: background .2s, padding .25s var(--ease);
}
.series-row summary::-webkit-details-marker { display: none; }
.series-row summary:hover { background: var(--bg2); padding-left: 14px; }
.sr-no { font-size: 12px; color: var(--faint); }
.sr-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--c, var(--acid)); flex: none; }
.sr-name { font-family: var(--disp); font-weight: 900; font-size: clamp(19px, 2.2vw, 27px); line-height: 1.25; }
.sr-hint { font-size: 13.5px; color: var(--mut); }
.sr-meta { font-size: 12px; color: var(--mut); letter-spacing: .04em; text-align: right; }
.sr-x { font-size: 18px; color: var(--faint); text-align: center; transition: transform .3s var(--ease); }
.series-row[open] .sr-x { transform: rotate(45deg); color: var(--acid-text); }
.series-body { padding: 4px 6px 38px; }
.series-copy { max-width: 760px; color: var(--mut); font-size: 15px; margin-bottom: 22px; }
.minitags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.minitags span {
  font-size: 11.5px; letter-spacing: .04em;
  border: 1px solid var(--line-strong); padding: 5px 12px;
  color: var(--mut);
}

.event-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.event-card {
  border: 1px solid var(--line-strong); padding: 20px;
  background: var(--card);
  display: flex; flex-direction: column; gap: 10px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.event-card:hover { transform: translate(-3px,-3px); box-shadow: 5px 5px 0 var(--line-strong); border-color: var(--ink); }
.ec-top { display: flex; justify-content: space-between; font-size: 11px; color: var(--faint); letter-spacing: .06em; }
.event-card h3 { font-family: var(--disp); font-weight: 900; font-size: 21px; line-height: 1.3; }
.event-card p { font-size: 13.5px; color: var(--mut); line-height: 1.8; flex: 1; }
.ec-stats { display: flex; flex-wrap: wrap; gap: 6px; }
.ec-stats span { font-size: 11.5px; border: 1px solid var(--line); padding: 3px 9px; color: var(--ink); }
.ec-link { font-size: 12px; color: var(--acid-text); letter-spacing: .06em; }
.ec-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.ec-hot { border-color: var(--acid); }
.ec-hot .ec-top { color: var(--acid-text); }

/* ---------- 03 RECORD ---------- */
.record-toolbar {
  display: grid; grid-template-columns: 1fr auto auto; gap: 18px; align-items: center;
  margin: 0 0 18px; padding: 12px 0 16px; border-bottom: 1px solid var(--line);
}
.record-filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-btn {
  font: 11px var(--mono); letter-spacing: .03em; color: var(--mut); background: transparent;
  border: 1px solid var(--line); padding: 7px 10px; cursor: pointer; transition: all .18s var(--ease);
}
.filter-btn span { color: var(--faint); margin-left: 3px; }
.filter-btn:hover, .filter-btn.is-active { color: var(--acid-ink); background: var(--acid); border-color: var(--acid); }
.filter-btn:hover span, .filter-btn.is-active span { color: var(--acid-ink); }
.record-search { display: flex; align-items: center; gap: 8px; color: var(--faint); white-space: nowrap; }
.record-search input {
  width: min(220px, 22vw); border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font: 11px var(--mono); padding: 8px 10px; outline: none; transition: border-color .18s, box-shadow .18s;
}
.record-search input:focus { border-color: var(--acid); box-shadow: 0 0 0 2px color-mix(in srgb, var(--acid) 20%, transparent); }
.record-search input::placeholder { color: var(--faint); }
.record-count { color: var(--acid-text); font-size: 11px; white-space: nowrap; }
.record-table { border-top: 2px solid var(--ink); font-size: 13px; }
.rt-head, .rt-row {
  display: grid;
  grid-template-columns: 46px 108px 1fr 150px 230px;
  gap: 14px; align-items: baseline;
  padding: 11px 6px;
  border-bottom: 1px solid var(--line);
}
.rt-head { font-size: 10.5px; letter-spacing: .18em; color: var(--faint); border-bottom: 1px solid var(--line-strong); }
.rt-row { color: var(--mut); transition: all .16s; position: relative; }
.rt-row .rt-name { color: var(--ink); font-weight: 500; }
.rt-row:hover { background: var(--acid); color: var(--acid-ink); }
.rt-row:hover .rt-name, .rt-row:hover .rt-r { color: var(--acid-ink); }
.rt-r { text-align: right; }
.rt-hack .rt-name::after {
  content: "HACKATHON"; font-size: 9px; letter-spacing: .12em;
  border: 1px solid currentColor; padding: 1px 5px; margin-left: 8px;
  opacity: .55; vertical-align: 1px;
}
.rt-now { border-bottom: 2px solid var(--acid); }
.rt-now .rt-name, .rt-now .rt-r, .rt-now span:first-child { color: var(--acid-text); }
.rt-now:hover .rt-name, .rt-now:hover .rt-r { color: var(--acid-ink); }
.rt-row.is-filtered { display: none; }
.rt-row[data-interactive="true"] { cursor: pointer; }
.rt-row[data-interactive="true"]::after {
  content: "OPEN ↗"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-size: 9px; letter-spacing: .14em; color: var(--faint); opacity: 0; transition: opacity .18s;
}
.rt-row[data-interactive="true"]:hover::after { opacity: 1; color: var(--acid-ink); }

/* ---------- EVENT DETAIL DIALOG ---------- */
.event-dialog {
  width: min(760px, calc(100vw - 32px)); max-width: none; border: 1px solid var(--line-strong);
  padding: 0; color: var(--ink); background: var(--bg); box-shadow: 14px 14px 0 color-mix(in srgb, var(--ink) 18%, transparent);
}
.event-dialog::backdrop { background: color-mix(in srgb, #050605 72%, transparent); backdrop-filter: blur(5px); }
.dialog-shell { padding: clamp(24px, 4vw, 48px); position: relative; }
.dialog-close { position: absolute; top: 18px; right: 20px; border: 0; background: none; color: var(--mut); cursor: pointer; font-size: 11px; letter-spacing: .12em; }
.dialog-close:hover { color: var(--acid-text); }
.dialog-kicker, .dialog-label { color: var(--acid-text); font-size: 10px; letter-spacing: .17em; }
.event-dialog h2 { font-family: var(--disp); font-size: clamp(28px, 4vw, 48px); line-height: 1.2; margin: 16px 0 10px; max-width: 620px; }
.dialog-meta { color: var(--mut); font-size: 11px; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.dialog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 26px; }
.dialog-grid p { color: var(--mut); font-size: 14px; line-height: 1.9; margin-top: 8px; }
.dialog-quote { border-left: 3px solid var(--acid); margin-top: 26px; padding: 12px 16px; color: var(--ink); font-family: var(--disp); font-size: 20px; line-height: 1.5; background: var(--card); }
.dialog-link { margin-top: 26px; }

/* ---------- 06 EXPERIENCE PATH ---------- */
.path-lead { max-width: 680px; font-size: clamp(16px, 1.8vw, 21px); line-height: 1.75; margin-bottom: 34px; }
.path-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.path-step { min-height: 260px; display: flex; flex-direction: column; padding: clamp(20px, 2.2vw, 30px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--card); transition: background .2s, transform .2s var(--ease); }
.path-step:hover { background: var(--bg2); transform: translateY(-4px); }
.path-no { color: var(--acid-text); font-size: 10px; letter-spacing: .15em; }
.path-step h3 { font-family: var(--disp); font-size: clamp(21px, 2.2vw, 29px); line-height: 1.35; margin: 22px 0 12px; }
.path-step p { color: var(--mut); font-size: 13.5px; line-height: 1.85; }
.path-foot { margin-top: auto; padding-top: 20px; color: var(--faint); font-size: 10.5px; letter-spacing: .06em; }

/* ---------- 04 MOMENTS ---------- */
.moments-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--line); border-top: 1px solid var(--line);
}
.moment {
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: clamp(22px, 2.6vw, 34px);
  min-height: 210px;
  display: flex; flex-direction: column;
  transition: background .25s;
}
.moment:hover { background: var(--bg2); }
.moment:hover .mo-no { color: var(--acid-text); }
.mo-no { font-size: 11px; letter-spacing: .14em; color: var(--faint); margin-bottom: 14px; transition: color .2s; }
.moment h3 { font-family: var(--disp); font-weight: 900; font-size: clamp(19px, 2vw, 24px); line-height: 1.35; margin-bottom: 10px; }
.moment p { font-size: 13.5px; color: var(--mut); line-height: 1.85; }

/* ---------- 05 VOICES ---------- */
.section-full { max-width: none; padding-left: 0; padding-right: 0; }
.section-full .section-head, .section-full .voices-grid { max-width: var(--max); margin-left: auto; margin-right: auto; padding-left: var(--pad); padding-right: var(--pad); }
.section-full .section-head { margin-bottom: 34px; }
.voices-marquee { overflow: hidden; display: flex; flex-direction: column; gap: 12px; }
.vm-row { overflow: hidden; white-space: nowrap; }
.vm-track { display: inline-flex; gap: 12px; padding-right: 12px; }
.vm-a .vm-track { animation: marquee 44s linear infinite; }
.vm-b .vm-track { animation: marquee 38s linear infinite reverse; }
.vm-row:hover .vm-track { animation-play-state: paused; }
.quote-chip {
  flex: none; display: inline-flex; align-items: baseline; gap: 12px;
  border: 1px solid var(--line-strong);
  padding: 13px 20px;
  font-size: 15px; font-weight: 500;
  background: var(--card);
  transition: all .2s;
}
.quote-chip:hover { background: var(--acid); color: var(--acid-ink); border-color: var(--acid); }
.quote-chip i { font-style: normal; font-family: var(--mono); font-size: 10.5px; color: var(--faint); letter-spacing: .06em; }
.quote-chip:hover i { color: var(--acid-ink); }
.voices-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin-top: 40px;
}
.voice-big {
  border-top: 2px solid var(--ink); padding-top: 18px;
  font-family: var(--disp); font-weight: 900;
  font-size: clamp(20px, 2.4vw, 28px); line-height: 1.45;
}
.voice-big cite { display: block; margin-top: 12px; font-style: normal; font-size: 11px; color: var(--faint); letter-spacing: .1em; }

/* ---------- 06 STAR ---------- */
.star-lead { font-size: clamp(16px, 1.8vw, 21px); font-weight: 500; max-width: 640px; margin-bottom: 36px; }
.star-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 40px; }
.star-card {
  border: 1px solid var(--line-strong); padding: clamp(22px, 2.4vw, 32px);
  background: var(--card);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.star-card:hover { transform: translate(-3px,-3px); box-shadow: 5px 5px 0 var(--line-strong); }
.star-tag { display: inline-block; font-size: 10.5px; letter-spacing: .18em; background: var(--acid); color: var(--acid-ink); padding: 3px 9px; margin-bottom: 16px; }
.star-card h3 { font-family: var(--disp); font-weight: 900; font-size: clamp(20px, 2.1vw, 25px); line-height: 1.4; margin-bottom: 10px; }
.star-card p { font-size: 14px; color: var(--mut); }
.principles { border-top: 1px solid var(--line); }
.pr-item {
  display: grid; grid-template-columns: 44px 240px 1fr;
  gap: 16px; align-items: baseline;
  padding: 16px 6px; border-bottom: 1px solid var(--line);
  transition: background .2s, padding-left .2s var(--ease);
}
.pr-item:hover { background: var(--bg2); padding-left: 14px; }
.pr-no { font-size: 12px; color: var(--acid-text); }
.pr-item b { font-size: 16.5px; }
.pr-item > span:last-child { font-size: 13.5px; color: var(--mut); }
.host-quote {
  margin-top: clamp(48px, 8vh, 80px);
  font-family: var(--disp); font-weight: 900;
  font-size: clamp(24px, 3.6vw, 44px); line-height: 1.5;
  text-align: center;
}
.host-quote cite { display: block; margin-top: 20px; font-style: normal; font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--faint); font-weight: 400; }

/* ---------- 07 NEXT ---------- */
.next-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.next-card {
  border: 1px solid var(--line-strong); padding: clamp(24px, 3vw, 40px);
  background: var(--card);
  display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
}
.next-live { border-color: var(--acid); }
.next-status { font-size: 11px; letter-spacing: .18em; color: var(--mut); display: inline-flex; align-items: center; gap: 8px; }
.next-live .next-status { color: var(--acid-text); }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--acid); display: inline-block; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity: .4; transform: scale(.75);} }
.next-card h3 { font-family: var(--disp); font-weight: 900; font-size: clamp(24px, 2.8vw, 34px); line-height: 1.3; }
.x-eazo { font-size: .5em; letter-spacing: .12em; color: var(--mut); vertical-align: middle; }
.next-date { font-size: 13px; color: var(--acid-text); letter-spacing: .1em; }
.next-card p { font-size: 14.5px; color: var(--mut); }
.next-hint { font-size: 12px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: auto; }
.next-hint b { color: var(--acid-text); }

/* ---------- 08 PARTNERS ---------- */
.partners-wall { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.partners-wall span {
  font-size: 13px; letter-spacing: .05em;
  border: 1px solid var(--line-strong); padding: 10px 18px;
  transition: all .18s;
  cursor: default;
}
.partners-wall span:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); transform: translateY(-3px); }
.partner-cta { margin-top: 30px; font-size: 15.5px; font-weight: 500; }
.partner-cta b { background: var(--acid); color: var(--acid-ink); padding: 2px 8px; }

/* ---------- 09 ABOUT ---------- */
.about-wrap { max-width: 760px; }
.about-text { font-size: clamp(15.5px, 1.6vw, 18px); line-height: 2.1; color: var(--ink); margin-bottom: 18px; }
.about-text a { border-bottom: 2px solid var(--acid); transition: background .18s; }
.about-text a:hover { background: var(--acid); color: var(--acid-ink); }

/* ---------- FOOTER ---------- */
.footer {
  margin-top: clamp(90px, 14vh, 170px);
  border-top: 2px solid var(--ink);
  padding: clamp(40px, 7vh, 90px) var(--pad) 26px;
  max-width: none;
}
.footer-big {
  max-width: var(--max); margin: 0 auto;
  font-family: var(--disp); font-weight: 900;
  font-size: clamp(72px, 15vw, 230px);
  line-height: .98; letter-spacing: .01em;
  display: flex; flex-wrap: wrap; column-gap: .25em;
  user-select: none;
}
.fb-acid { color: transparent; -webkit-text-stroke: 2px var(--ink); transition: all .3s; }
.footer-big:hover .fb-acid { color: var(--acid); -webkit-text-stroke: 0px; }
.footer-grid {
  max-width: var(--max); margin: clamp(40px, 6vh, 70px) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
  border-top: 1px solid var(--line); padding-top: 30px;
}
.f-col { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.f-label { font-size: 10px; letter-spacing: .24em; color: var(--faint); }
.copy-wechat {
  font-family: var(--mono); font-size: 13px; color: var(--ink);
  background: none; border: 1px solid var(--line-strong);
  padding: 10px 16px; cursor: pointer; transition: all .2s;
  text-align: left;
}
.copy-wechat b { color: var(--acid-text); }
.copy-wechat:hover { border-color: var(--acid); }
.copy-wechat.copied { background: var(--acid); color: var(--acid-ink); border-color: var(--acid); }
.copy-wechat.copied b { color: var(--acid-ink); }
.copy-hint { font-size: 10px; color: var(--faint); margin-left: 8px; }
.copy-wechat.copied .copy-hint { color: var(--acid-ink); }
.f-link { font-size: 12.5px; color: var(--mut); transition: color .2s; }
.f-link:hover { color: var(--acid-text); }
.f-note { font-size: 11px; color: var(--faint); line-height: 1.7; }
.footer-base {
  max-width: var(--max); margin: 46px auto 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  border-top: 1px solid var(--line); padding-top: 18px;
  font-size: 11px; letter-spacing: .1em; color: var(--faint);
  flex-wrap: wrap;
}
.xy { color: var(--faint); }
.back-top { color: var(--mut); }
.back-top:hover { color: var(--acid-text); }

/* ---------- Reveal 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .event-grid, .moments-grid, .star-grid, .voices-grid { grid-template-columns: repeat(2, 1fr); }
  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .series-row summary { grid-template-columns: 36px 12px 1fr auto 26px; }
  .sr-hint { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-role { display: none; }
  .nav-right { display: none; }
  .menu-btn {
    display: block; position: fixed; right: 16px; top: 12px; z-index: 950;
    font-size: 12px; letter-spacing: .14em;
    background: var(--ink); color: var(--bg); border: none;
    padding: 8px 14px; cursor: pointer;
  }
  .menu-sheet {
    display: flex; flex-direction: column;
    position: fixed; inset: 0; z-index: 940;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter: blur(10px);
    padding: 90px var(--pad) 40px;
    gap: 4px;
  }
  .menu-sheet[hidden] { display: none; }
  .menu-sheet a {
    font-size: 20px; padding: 13px 4px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
  }
  .menu-sheet .theme-btn { margin-top: 22px; align-self: flex-start; font-size: 14px; padding: 10px 18px; }
  .hero { padding-top: 110px; min-height: 88vh; }
  .hero-sub { grid-template-columns: 1fr; gap: 18px; }
  .hero-title, .hero-sub { width: 100%; min-width: 0; }
  .hero-line { max-width: 100%; font-size: clamp(40px, 10vw, 58px); line-height: 1.08; overflow-wrap: anywhere; word-break: break-all; }
  .hero-intro, .hero-mission { overflow-wrap: anywhere; word-break: break-word; }
  .br-d { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 18px 16px; }
  .event-grid, .moments-grid, .star-grid, .voices-grid, .next-grid { grid-template-columns: 1fr; }
  .record-toolbar { grid-template-columns: 1fr auto; gap: 12px; }
  .record-filters { grid-column: 1 / -1; order: 2; }
  .record-search { order: 1; }
  .record-count { order: 1; justify-self: end; }
  .record-search input { width: min(220px, 58vw); }
  .path-grid { grid-template-columns: 1fr; }
  .path-step { min-height: 220px; }
  .dialog-grid { grid-template-columns: 1fr; gap: 16px; }
  .event-dialog h2 { padding-right: 42px; }
  .series-row summary { grid-template-columns: 30px 10px 1fr 22px; gap: 10px; padding: 18px 4px; }
  .sr-meta { display: none; }
  .rt-head { display: none; }
  .rt-row {
    grid-template-columns: 38px 1fr auto;
    grid-template-areas: "no name name" "no meta r";
    row-gap: 2px; padding: 12px 4px;
  }
  .rt-row span:nth-child(1) { grid-area: no; }
  .rt-row span:nth-child(2) { grid-area: meta; font-size: 11px; }
  .rt-row .rt-name { grid-area: name; }
  .rt-row span:nth-child(4) { display: none; }
  .rt-row .rt-r { grid-area: r; font-size: 11px; }
  .rt-hack .rt-name::after { display: inline-block; margin-left: 6px; }
  .pr-item { grid-template-columns: 34px 1fr; }
  .pr-item > span:last-child { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .xy { display: none; }
  .footer-big { font-size: clamp(64px, 22vw, 130px); }
}

/* ---------- 动效减弱 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track, .vm-track, .grain, .dot-live { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-line.swap { animation: none; }
}