/* ==========================================================================
   长财数智财务科创社团 · 站点样式
   设计基调：现代学院风 × 科技产品风 × 数字杂志风
   ========================================================================== */

:root{
  /* 品牌色 */
  --navy:#0C1C33;
  --navy-2:#102748;
  --navy-3:#183457;
  --blue:#3078EB;
  --blue-soft:#E8F0FE;
  --teal:#20B8B0;
  --teal-soft:#E3F7F5;
  --gold:#C9A44C;
  --gold-soft:#F7EFDC;

  /* 中性色 */
  --paper:#F3F6FC;
  --white:#FFFFFF;
  --ink:#0F1D2E;
  --ink-2:#33465E;
  --muted:#66788F;
  --line:#DEE6F2;
  --line-strong:#C9D5E6;

  /* 形状 */
  --r-sm:8px;
  --r:14px;
  --r-lg:22px;
  --r-pill:999px;

  --shadow-sm:0 1px 2px rgba(16,39,72,.06),0 4px 14px rgba(16,39,72,.05);
  --shadow:0 2px 6px rgba(16,39,72,.06),0 14px 34px rgba(16,39,72,.09);
  --shadow-lg:0 18px 50px rgba(12,28,51,.16);

  --maxw:1180px;
  --header-h:72px;

  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono","SF Mono",SFMono-Regular,Consolas,"Liberation Mono",monospace;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.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}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:80;
  height:var(--header-h);
  display:flex;align-items:center;
  background:var(--navy-2);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(12,28,51,.92);
  backdrop-filter:saturate(160%) blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.06),0 10px 30px rgba(6,14,26,.28);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:#fff;padding:2px;box-shadow:0 0 0 1px rgba(255,255,255,.28);
}
.brand__mark img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{
  color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand__en{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;
  color:rgba(255,255,255,.5);text-transform:uppercase;margin-top:2px;
}

.nav{display:flex;align-items:center;gap:2px}
.nav a{
  position:relative;display:block;padding:9px 13px;border-radius:var(--r-sm);
  font-size:14.5px;color:rgba(255,255,255,.76);
  transition:color .2s ease,background .2s ease;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav a[aria-current="page"]{color:#fff;font-weight:600}
.nav a[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--teal));border-radius:2px;
}

.nav-toggle{
  display:none;width:44px;height:44px;margin-right:-8px;
  align-items:center;justify-content:center;border-radius:var(--r-sm);
  color:#fff;
}
.nav-toggle:hover{background:rgba(255,255,255,.1)}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  will-change:transform;
}
.btn svg{flex:0 0 auto}
.btn--primary{
  background:linear-gradient(135deg,var(--blue),#2B6BD4);
  color:#fff;box-shadow:0 8px 22px rgba(48,120,235,.32);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(48,120,235,.4)}
.btn--ghost{
  color:#fff;border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.04);
}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn--dark{background:var(--navy-2);color:#fff}
.btn--dark:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--line{color:var(--navy-2);border:1px solid var(--line-strong);background:var(--white)}
.btn--line:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn--sm{padding:9px 16px;font-size:13.5px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 620px at 78% 8%,rgba(48,120,235,.30),transparent 62%),
    radial-gradient(760px 520px at 12% 88%,rgba(32,184,176,.20),transparent 64%),
    linear-gradient(168deg,#0B1A2F 0%,#102748 52%,#0A1929 100%);
  color:#fff;
  padding:calc(var(--header-h) + 84px) 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 50% 30%,#000 40%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:120px;
  background:linear-gradient(180deg,transparent,var(--paper));pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero__kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.62);
  padding:7px 14px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);margin-bottom:26px;
}
.hero__kicker i{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(32,184,176,.16)}
.hero h1{
  font-size:clamp(38px,5.4vw,68px);font-weight:700;letter-spacing:-.02em;line-height:1.1;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#8FC0FF 0%,#5FE3D8 48%,#E6C77C 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{
  margin-top:22px;max-width:520px;
  font-size:clamp(15px,1.5vw,17.5px);line-height:1.85;color:rgba(255,255,255,.76);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.hero__tags span{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:rgba(255,255,255,.6);
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
}

/* 首屏右侧流程可视化 */
.flowviz{position:relative}
.flowviz__svg{width:100%;height:auto;filter:drop-shadow(0 24px 60px rgba(0,0,0,.35))}
.flowviz__caption{
  margin-top:18px;text-align:center;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:rgba(255,255,255,.42);text-transform:uppercase;
}
.node-circle{fill:rgba(255,255,255,.06);stroke:rgba(255,255,255,.22);stroke-width:1.2}
.node-label{fill:rgba(255,255,255,.9);font-size:13px;font-weight:600;letter-spacing:.06em;text-anchor:middle}
.node-sub{fill:rgba(255,255,255,.45);font-size:9.5px;letter-spacing:.14em;text-anchor:middle;font-family:var(--font-mono)}
.link-line{stroke:rgba(120,180,255,.35);stroke-width:1.2;fill:none}
.link-flow{stroke:var(--teal);stroke-width:1.6;fill:none;stroke-dasharray:5 9;opacity:.85;animation:dashmove 2.6s linear infinite}
@keyframes dashmove{to{stroke-dashoffset:-56}}
.pulse{animation:pulse 3.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:.95}}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
.section--paper{background:var(--paper)}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.6}
.section-head h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}
.section-head--center p{margin-left:auto;margin-right:auto;max-width:600px}

/* ---------- 卡片通用 ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.card__icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--blue-soft);color:var(--blue);margin-bottom:20px;
}
.card__icon--teal{background:var(--teal-soft);color:#149A93}
.card__icon--gold{background:var(--gold-soft);color:#A8842F}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.8}
.card__meta{
  display:flex;flex-wrap:wrap;gap:7px;margin-top:18px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--muted);
}
.tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;color:var(--ink-2);
}
.tag--live{background:var(--teal-soft);border-color:#BEEBE7;color:#0F7E78}
.tag--plan{background:var(--gold-soft);border-color:#EBD9AE;color:#8A6A20}

/* ---------- 宣传片 ---------- */
.video-band{background:var(--navy);color:#fff;padding:86px 0}
.video-band .eyebrow{color:var(--teal)}
.video-band h2{color:#fff}
.video-band p{color:rgba(255,255,255,.68)}
.video-shell{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(700px 380px at 20% 10%,rgba(48,120,235,.32),transparent 60%),
    radial-gradient(500px 300px at 88% 90%,rgba(32,184,176,.24),transparent 62%),
    linear-gradient(150deg,#132C4C,#0A1626);
  box-shadow:0 30px 70px rgba(0,0,0,.4);
  aspect-ratio:16/9;
}
.video-shell video{width:100%;height:100%;object-fit:cover;background:#000}
.video-cover{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:opacity .3s ease;background:#EAF1FB;
}
.video-cover__poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.video-cover::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:rgba(243,247,255,.30);transition:background .3s ease;
}
.video-cover:hover::before{background:rgba(243,247,255,.14)}
.video-cover__center{
  position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:13px;text-align:center;
}
.video-cover__play{
  width:82px;height:82px;border-radius:50%;display:grid;place-items:center;
  background:var(--navy-2);color:#fff;
  box-shadow:0 14px 38px rgba(12,28,51,.32);
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease;
}
.video-cover:hover .video-cover__play{transform:scale(1.06);background:var(--blue);box-shadow:0 18px 44px rgba(48,120,235,.4)}
.video-cover__label{font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--navy-2)}
.video-cover__time{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:rgba(16,39,72,.55)}
.video-cover.is-hidden{opacity:0;pointer-events:none}

/* ---------- 实验室 ---------- */
.lab-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:var(--white);margin-bottom:26px;
}
.lab-step{
  position:relative;padding:20px 18px;text-align:left;
  border-right:1px solid var(--line);
  transition:background .25s ease,color .25s ease;
}
.lab-step:last-child{border-right:0}
.lab-step__no{
  display:block;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted);margin-bottom:8px;
}
.lab-step__name{display:block;font-size:15.5px;font-weight:600;color:var(--ink-2);transition:color .25s}
.lab-step__desc{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.lab-step[aria-selected="true"],.lab-step--active{background:linear-gradient(160deg,var(--navy-2),#16365A)}
.lab-step[aria-selected="true"] .lab-step__no,.lab-step--active .lab-step__no{color:var(--teal)}
.lab-step[aria-selected="true"] .lab-step__name,.lab-step--active .lab-step__name{color:#fff}
.lab-step[aria-selected="true"] .lab-step__desc,.lab-step--active .lab-step__desc{color:rgba(255,255,255,.6)}
.lab-step[aria-selected="true"]::after,.lab-step--active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--teal));
}

/* 首页用的紧凑纵向版本 */
.lab-steps--compact{grid-template-columns:1fr}
.lab-steps--compact .lab-step{
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
  border-right:0;border-bottom:1px solid var(--line);padding:15px 20px;
}
.lab-steps--compact .lab-step:last-child{border-bottom:0}
.lab-steps--compact .lab-step__no{margin:0;flex:0 0 auto}
.lab-steps--compact .lab-step__name{flex:0 0 auto}
.lab-steps--compact .lab-step__desc{margin:0;flex:1 1 auto;text-align:right}
.lab-steps--compact .lab-step--active::after{height:100%;width:3px;right:auto;top:0;bottom:0}
.lab-panel{
  border:1px solid var(--line);border-radius:var(--r);background:var(--white);
  padding:34px;animation:panelIn .4s ease both;
}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.lab-panel__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:22px}
.lab-panel__head h3{font-size:22px}
.lab-panel__note{font-size:12.5px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.04em}

.biz-list{display:grid;gap:12px}
.biz{
  display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;
  padding:16px 18px;border-radius:var(--r);
  background:var(--paper);border:1px solid var(--line);
}
.biz__date{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.05em}
.biz__text{font-size:14.5px;color:var(--ink-2)}
.biz__amt{font-family:var(--font-mono);font-size:15px;font-weight:600;color:var(--navy-2);font-variant-numeric:tabular-nums}

.voucher{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:14px;background:#fff;
}
.voucher__head{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:12px 18px;background:var(--paper);border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);
}
.voucher table{width:100%;border-collapse:collapse;font-size:14px}
.voucher th{
  text-align:left;padding:10px 18px;font-weight:600;font-size:12px;
  color:var(--muted);letter-spacing:.06em;border-bottom:1px solid var(--line);white-space:nowrap;
}
.voucher td{padding:11px 18px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.voucher tr:last-child td{border-bottom:0}
.voucher .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.voucher .dr-tag,.voucher .cr-tag{
  display:inline-block;width:20px;height:20px;line-height:20px;text-align:center;border-radius:5px;
  font-size:11px;font-weight:700;margin-right:8px;
}
.dr-tag{background:var(--blue-soft);color:var(--blue)}
.cr-tag{background:var(--teal-soft);color:#0F7E78}

.ledger{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.ledger-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.ledger-card__title{
  padding:11px 16px;background:var(--navy-2);color:#fff;
  font-size:13.5px;font-weight:600;letter-spacing:.04em;
  display:flex;justify-content:space-between;align-items:center;
}
.ledger-card__title span{font-family:var(--font-mono);font-size:10px;color:rgba(255,255,255,.55);letter-spacing:.12em}
.ledger-card ul{padding:6px 0}
.ledger-card li{
  display:flex;justify-content:space-between;gap:10px;
  padding:8px 16px;font-size:13px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.ledger-card li:last-child{border-bottom:0}
.ledger-card li b{font-family:var(--font-mono);font-weight:600;font-variant-numeric:tabular-nums}
.ledger-card li .d{color:var(--blue)}
.ledger-card li .c{color:#0F7E78}
.ledger-card__sum{
  padding:11px 16px;background:var(--paper);border-top:1px solid var(--line);
  display:flex;justify-content:space-between;font-size:13px;font-weight:600;
}
.ledger-card__sum b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--navy-2)}

.reports{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.report{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.report__head{padding:14px 18px;border-bottom:1px solid var(--line);background:var(--paper)}
.report__head strong{font-size:14.5px;display:block}
.report__head small{font-family:var(--font-mono);font-size:10.5px;color:var(--muted);letter-spacing:.08em}
.report table{width:100%;border-collapse:collapse;font-size:13.5px}
.report td{padding:10px 18px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.report td.num{text-align:right;font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.report tr.total td{font-weight:700;color:var(--navy-2);background:#FAFCFF}
.report tr:last-child td{border-bottom:0}
.report .indent{padding-left:34px;color:var(--muted)}

.balance-ok{
  margin-top:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:12px 16px;border-radius:var(--r);
  background:var(--teal-soft);border:1px solid #BEEBE7;color:#0F7E78;font-size:13px;
}
.balance-ok b{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- 团队成员 ---------- */
.roster{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.roster-card{
  border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;background:var(--white);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.roster-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.roster-card--key{background:linear-gradient(160deg,var(--navy-2),#17385C);border-color:transparent}
.roster-card__role{
  display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--blue);margin-bottom:10px;text-transform:uppercase;
}
.roster-card--key .roster-card__role{color:var(--teal)}
.roster-card__names{display:flex;flex-wrap:wrap;gap:7px}
.roster-card__names b{font-size:16px;font-weight:600;color:var(--ink)}
.roster-card__names em{font-style:normal;font-size:12px;color:var(--muted);margin-left:4px}
.roster-card--key .roster-card__names b{color:#fff}
.roster-card--key .roster-card__names em{color:rgba(255,255,255,.55)}

.group-list{display:grid;gap:10px;margin-top:8px}
.group-row{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  padding:15px 20px;border:1px solid var(--line);border-radius:var(--r);background:var(--white);
}
.group-row__lead{font-size:14px;font-weight:600;color:var(--navy-2)}
.group-row__lead small{
  display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--muted);font-weight:400;margin-bottom:3px;
}
.group-row__names{display:flex;flex-wrap:wrap;gap:7px}
.pill{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.pill--lead{background:var(--blue-soft);border-color:#CFE0FD;color:#1D5BC4;font-weight:600}

/* ---------- 空状态 ---------- */
.empty{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:52px 28px;text-align:center;background:linear-gradient(180deg,#FBFDFF,var(--white));
}
.empty__mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;
  background:var(--paper);border:1px solid var(--line);color:var(--muted);
}
.empty h3{font-size:17px;margin-bottom:8px}
.empty p{color:var(--muted);font-size:14px;max-width:460px;margin:0 auto}
.empty .btn{margin-top:22px}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:var(--line-strong)}
.timeline__item{position:relative;padding:0 0 26px 0}
.timeline__item::before{
  content:"";position:absolute;left:-24px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--white);border:2px solid var(--line-strong);
}
.timeline__item--now::before{border-color:var(--teal);box-shadow:0 0 0 4px rgba(32,184,176,.14)}
.timeline__date{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted)}
.timeline__title{font-size:16px;font-weight:600;margin:6px 0 6px}
.timeline__desc{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 页面头（内页） ---------- */
.page-head{
  background:
    radial-gradient(900px 420px at 82% 0%,rgba(48,120,235,.28),transparent 62%),
    linear-gradient(170deg,#0C1C33,#102748 70%,#14304F);
  color:#fff;padding:calc(var(--header-h) + 68px) 0 68px;position:relative;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(100% 80% at 50% 0%,#000 30%,transparent 80%);
}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em}
.page-head p{margin-top:14px;max-width:640px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85}
.page-head .eyebrow{color:var(--teal)}
.crumb{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.45);
  margin-bottom:18px;text-transform:uppercase;
}

/* ---------- 关于页 ---------- */
.fact-list{display:grid;gap:0;border-top:1px solid var(--line)}
.fact-row{
  display:grid;grid-template-columns:200px 1fr;gap:24px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.fact-row dt{font-size:14px;color:var(--muted);letter-spacing:.02em}
.fact-row dd{margin:0;font-size:15px;color:var(--ink-2);line-height:1.85}
.pending{
  display:inline-block;padding:2px 9px;border-radius:var(--r-pill);
  background:var(--gold-soft);border:1px solid #EBD9AE;color:#8A6A20;
  font-size:12px;font-family:var(--font-mono);letter-spacing:.05em;
}

/* ---------- 加入页 ---------- */
.steps-list{display:grid;gap:0;counter-reset:s}
.steps-list--2col{display:block;column-count:2;column-gap:48px}
.steps-list--2col li{break-inside:avoid;page-break-inside:avoid}
.steps-list li{
  position:relative;padding:22px 0 22px 62px;border-bottom:1px solid var(--line);
  counter-increment:s;
}
.steps-list li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:22px;
  font-family:var(--font-mono);font-size:13px;font-weight:600;
  color:var(--blue);background:var(--blue-soft);
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
}
.steps-list h3{font-size:16.5px;margin-bottom:6px}
.steps-list p{font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#102748,#183457 60%,#0E2137);
  border-radius:var(--r-lg);padding:56px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(32,184,176,.28),transparent 70%);
}
.cta h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:2}
.cta p{margin-top:10px;color:rgba(255,255,255,.7);font-size:14.5px;position:relative;z-index:2}
.cta .btn{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.62);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:40px;height:40px;border-radius:50%;background:#fff;padding:2px}
.footer-brand strong{color:#fff;font-size:15px;display:block}
.footer-brand small{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;color:rgba(255,255,255,.4)}
.site-footer p{font-size:13px;line-height:1.9;max-width:330px}
.footer-col h4{color:#fff;font-size:13px;letter-spacing:.06em;margin-bottom:14px;font-weight:600}
.footer-col a{display:block;font-size:13.5px;padding:5px 0;color:rgba(255,255,255,.6);transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:12px;color:rgba(255,255,255,.42);
}
.footer-bottom span{font-family:var(--font-mono);letter-spacing:.06em}

/* ---------- 进场动画 ----------
   默认可见；只有 JS 正常执行（html.js）时才隐藏并等待进场，
   避免脚本失效导致正文整段空白。 */
.reveal{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
html.js .reveal{opacity:0;transform:translateY(18px)}
html.js .reveal.is-in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal[data-delay="4"]{transition-delay:.32s}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero .wrap{grid-template-columns:1fr;gap:44px}
  .hero{padding-top:calc(var(--header-h) + 60px);padding-bottom:76px}
  .flowviz{max-width:520px;margin:0 auto}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .ledger{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .reports{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0C1C33;border-bottom:1px solid rgba(255,255,255,.1);
    padding:10px 16px 18px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:.25s ease;box-shadow:0 24px 40px rgba(0,0,0,.35);
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:13px 12px;font-size:15px;border-radius:10px}
  .nav a[aria-current="page"]::after{display:none}
  .nav a[aria-current="page"]{background:rgba(255,255,255,.08)}
  .nav-toggle{display:flex}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .grid--4{grid-template-columns:1fr}
  .steps-list--2col{column-count:1;column-gap:0}
  .group-row{grid-template-columns:1fr;gap:10px}
  .section{padding:64px 0}
  .lab-steps{grid-template-columns:1fr 1fr}
  .lab-step:nth-child(2){border-right:0}
  .lab-step:nth-child(1),.lab-step:nth-child(2){border-bottom:1px solid var(--line)}
  .lab-panel{padding:22px}
  .biz{grid-template-columns:1fr;gap:6px}
  .biz__amt{justify-self:start}
  .fact-row{grid-template-columns:1fr;gap:6px}
  .cta{padding:36px 26px}
  .footer-grid{grid-template-columns:1fr}
  .voucher{overflow-x:auto}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .lab-steps{grid-template-columns:1fr}
  .lab-step{border-right:0;border-bottom:1px solid var(--line)}
  .hero__actions .btn{width:100%;justify-content:center}
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .link-flow{stroke-dasharray:none}
}