/* ============================================================
   东南法海 · 宣传落地页（整屏吸附翻页版 · 全深蓝统一）
   深海军蓝 #0A1B33 + 鎏金 #C9A227 + 衬线 Noto Serif SC
   ============================================================ */
:root{
  --navy:#0a1b33;
  --navy-2:#132a47;
  --navy-deep:#081428;
  --navy-lift:#0f2544;
  --gold:#c9a227;
  --gold-soft:#e8d9a8;
  --border-gold:rgba(201,162,39,.25);
  --ink:#171a1f;
  --ink-2:#4b5563;
  --ink-3:#9aa2af;
  --muted:#aab8d0;
  --muted-2:#7c8db0;
  --text-2:#c6d2e8;
  --serif:"Noto Serif SC","Source Han Serif CN","Songti SC",serif;
  --sans:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  /* 主题层（浅色在下方覆盖） */
  --fg:#ffffff;
  --fg-strong:#ffffff;
  --hero-bg:linear-gradient(135deg,#0a1b33 0%,#173952 60%,#295184 100%);
  --final-bg:linear-gradient(160deg,#0a1b33 0%,#1e4269 100%);
  --chrome:rgba(8,20,40,.92);
  --chrome-soft:rgba(8,20,40,.55);
  --glass-1:rgba(255,255,255,.03);
  --glass-2:rgba(255,255,255,.08);
  --glass-3:rgba(255,255,255,.18);
  --glass-line:rgba(255,255,255,.10);
  color-scheme:dark;
}

/* 浅色系统：米色羊皮纸底 + 深蓝墨字 + 同一鎏金 */
[data-theme="light"]{
  --navy:#F7F5EF; --navy-2:#F1ECE0; --navy-deep:#FFFFFF; --navy-lift:#F2EEE4;
  --gold:#C9A227; --gold-soft:#8A6A12; --border-gold:rgba(138,106,18,.26);
  --ink:#16202F; --ink-2:#3C4A60; --ink-3:#5E6B80;
  --muted:#41506A; --muted-2:#5E6B80; --text-2:#2A3648;
  --fg:#16202F; --fg-strong:#0F1826;
  --hero-bg:linear-gradient(135deg,#F9F7F1 0%,#F1ECDF 60%,#E8DFC9 100%);
  --final-bg:linear-gradient(160deg,#F7F5EF 0%,#EDE6D6 100%);
  --chrome:rgba(250,248,242,.94);
  --chrome-soft:rgba(250,248,242,.78);
  --glass-1:rgba(11,22,38,.028);
  --glass-2:rgba(11,22,38,.05);
  --glass-3:rgba(11,22,38,.12);
  --glass-line:rgba(11,22,38,.10);
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-snap-type:y mandatory}
body{background:var(--navy);color:var(--fg);font-family:var(--sans);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
svg{display:block}
.wrap{max-width:1280px;margin:0 auto;padding:0 80px}

/* ---------------- 整屏吸附系统 ---------------- */
.screen{scroll-snap-align:start;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:96px 0}

/* 右侧圆点导航 */
.dotnav{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:15px;padding:14px 9px;border-radius:999px;background:var(--chrome-soft);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(201,162,39,.18)}
.dot{display:flex;align-items:center;justify-content:center;width:14px;height:14px}
.dot span{width:9px;height:9px;border-radius:50%;border:1.5px solid rgba(201,162,39,.55);background:transparent;transition:.25s ease}
.dot.is-active span{background:var(--gold);border-color:var(--gold);width:11px;height:11px}
.dot:hover span{border-color:var(--gold);background:rgba(201,162,39,.25)}

/* ---------------- 按钮 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:var(--navy);padding:14px 30px;font-size:15px}
.btn-gold:hover{background:#d8b13a;box-shadow:0 8px 24px rgba(201,162,39,.35)}
.btn-glass{padding:14px 26px;font-size:15px;color:var(--fg);background:var(--glass-2);border:1px solid var(--glass-line)}
.btn-glass:hover{background:var(--glass-3)}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-lg{padding:16px 34px;font-size:15px;box-shadow:0 6px 24px rgba(201,162,39,.35)}

/* ---------------- Header ---------------- */
.lp-header{position:sticky;top:0;z-index:50;background:var(--chrome);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,162,39,.14)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:10px}
.brand-name{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--fg-strong)}
.nav{display:flex;gap:32px}
.nav a{font-size:13.5px;font-weight:500;color:var(--muted);transition:color .15s}
.nav a:hover{color:var(--fg-strong)}

/* ---------------- Hero ---------------- */
.hero{position:relative;background:var(--hero-bg);color:var(--fg);overflow:hidden}
.hero-in{display:flex;align-items:center;gap:64px}
.hero-copy{flex:1;min-width:0;display:flex;flex-direction:column;gap:28px}
.badge{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;padding:6px 12px;border-radius:999px;background:var(--navy-2);border:1px solid rgba(201,162,39,.45);font-size:12px;color:var(--gold-soft)}
.bdot{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero h1{font-family:var(--serif);font-size:56px;line-height:1.25;font-weight:700;letter-spacing:1px}
.hero .sub{font-size:16px;line-height:28px;color:var(--muted);max-width:560px}
.cta-row{display:flex;gap:14px;align-items:center}
.trust-row{display:flex;gap:36px;font-size:12.5px;color:#8fa3c4}

/* Hero 产品 mock（深蓝主题） */
.hero-vis{position:relative;flex:0 0 480px}
.mock{background:linear-gradient(180deg,var(--navy-lift),var(--navy));border:1px solid var(--border-gold);border-radius:16px;box-shadow:0 24px 60px rgba(2,5,12,.55);overflow:hidden;color:var(--text-2)}
.mock-bar{display:flex;align-items:center;gap:6px;padding:12px 16px;background:var(--glass-1);border-bottom:1px solid var(--glass-line)}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:var(--glass-3)}
.mock-bar span{margin-left:6px;font-size:11px;color:var(--muted-2)}
.mock-body{padding:16px;display:flex;flex-direction:column;gap:12px}
.mq{display:flex;justify-content:flex-end}
.mq-b{max-width:236px;background:var(--gold);color:var(--navy);font-size:12px;font-weight:600;padding:8px 12px;border-radius:12px 12px 4px 12px}
.mtrace{padding:6px 10px;border-radius:8px;background:rgba(201,162,39,.1);border:1px solid rgba(201,162,39,.18);font-size:10.5px;color:var(--gold-soft)}
.mevi{border:1px solid var(--glass-line);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:8px;background:var(--glass-1)}
.mevi-top{display:flex;align-items:center;gap:8px}
.mcc{font-size:10px;font-weight:600;color:var(--gold-soft);background:rgba(201,162,39,.16);border-radius:6px;padding:2px 8px}
.mevi-top b{font-size:12px;color:var(--fg-strong)}
.mart{margin-left:auto;font-size:11px;font-weight:500;color:var(--gold)}
.mpoint{font-size:11.5px;line-height:18px;color:var(--text-2)}
.mquote{font-size:10.5px;line-height:16px;color:var(--muted-2);background:var(--chrome-soft);border:1px solid var(--glass-line);border-radius:8px;padding:10px}
.mverify{font-size:10.5px;font-weight:500;color:#5fd08a}
.mcomp{padding:8px 10px;border-radius:8px;background:rgba(201,162,39,.08);border:1px dashed rgba(201,162,39,.3);font-size:10.5px;font-weight:500;color:var(--gold-soft)}
.float-card{position:absolute;left:-48px;bottom:-44px;width:200px;background:#0f2544;border:1px solid rgba(201,162,39,.35);border-radius:12px;padding:14px;box-shadow:0 14px 36px rgba(2,5,12,.5)}
.fc-num{font-family:var(--serif);font-size:26px;font-weight:700;color:var(--gold)}
.fc-label{margin-top:4px;font-size:11.5px;color:var(--muted)}

/* 下滑提示 */
.scroll-hint{position:absolute;left:50%;bottom:32px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13px;color:var(--muted);letter-spacing:1px;font-weight:500}
.scroll-hint:hover{color:var(--fg-strong)}
.scroll-hint .arr{font-size:18px;animation:bob 1.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ---------------- Stats ---------------- */
.stats{background:var(--navy)}
.stats-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.stat{flex:1 1 22%}
.stat .s-num{font-family:var(--serif);font-size:34px;font-weight:700;color:var(--gold)}
.stat .s-name{margin-top:2px;font-size:12.5px;color:var(--muted)}
.strip{margin-top:48px;background:rgba(201,162,39,.07);border-top:1px solid rgba(201,162,39,.22);border-bottom:1px solid rgba(201,162,39,.22)}
.strip-in{display:flex;justify-content:center;flex-wrap:wrap;gap:28px;padding:14px 0;font-size:12px;font-weight:500;color:var(--gold-soft)}
.strip-in span{white-space:nowrap}
.strip-tier{font-weight:400;color:var(--muted-2)}

/* ---------------- Features ---------------- */
.feature{background:linear-gradient(180deg,var(--navy) 0%,#0d2140 100%)}
.feature.alt{background:linear-gradient(180deg,#0d2140 0%,var(--navy) 100%)}
.f-kicker{font-size:13px;font-weight:600;color:var(--gold);letter-spacing:2px;margin-bottom:18px}
.f-block{display:flex;align-items:center;gap:64px}
.f-block.rev{flex-direction:row-reverse}
.f-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:14px}
.f-no{font-family:"Inter",sans-serif;font-size:13px;font-weight:700;color:var(--gold);letter-spacing:1px}
.f-text h3{font-family:var(--serif);font-size:23px;font-weight:700;color:var(--fg-strong)}
.f-text p{font-size:14px;line-height:24px;color:var(--muted)}
.f-text ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.f-text li{position:relative;padding-left:16px;font-size:13px;line-height:23px;color:var(--text-2)}
.f-text li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.f-shot{flex:0 0 600px;height:340px;border-radius:14px;background:var(--glass-1);border:1px solid rgba(201,162,39,.28);display:flex;align-items:center;justify-content:center;color:var(--muted-2);font-size:12px;overflow:hidden}
.f-shot img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block;border-radius:13px}

/* ---------------- Final CTA ---------------- */
.final{background:var(--final-bg);color:var(--fg);text-align:center;align-items:center;padding-bottom:96px}
.final-in{display:flex;flex-direction:column;align-items:center;gap:16px;margin:auto 0}
.final h2{font-family:var(--serif);font-size:32px;font-weight:700}
.final p{font-size:14px;line-height:24px;color:var(--muted)}
.final .btn{margin-top:12px}

/* ---------------- Footer（置于结尾屏底部） ---------------- */
.footer{margin-top:auto;width:100%;background:var(--navy-deep);color:var(--fg);padding:48px 0 32px}
.f-grid{display:flex;justify-content:space-between;gap:48px;padding-bottom:28px}
.f-brand{max-width:360px}
.f-brow{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.f-brand p{font-size:12px;line-height:20px;color:var(--muted-2)}
.f-col{display:flex;flex-direction:column;gap:10px}
.f-col h4{font-size:12px;font-weight:600;color:var(--fg-strong)}
.f-col a,.f-col span{font-size:12px;color:var(--muted-2)}
.f-col a:hover{color:var(--fg-strong)}
.f-bottom{display:flex;justify-content:space-between;padding-top:20px;border-top:1px solid #16263f;font-size:11.5px;color:#5a6b8c}

/* ---------------- 响应式 ---------------- */
@media(max-width:1024px){
  .wrap{padding:0 32px}
  .hero-in{flex-direction:column;align-items:center;text-align:center}
  .hero-copy{align-items:center}
  .hero h1{font-size:40px}
  .trust-row{justify-content:center;flex-wrap:wrap;gap:20px}
  .hero-vis{flex-basis:auto;width:100%;max-width:480px}
  .float-card{left:8px;bottom:-32px}
  .f-block,.f-block.rev{flex-direction:column;align-items:stretch;gap:28px}
  .f-shot{flex-basis:auto;width:100%;height:240px}
  .stats-in{flex-wrap:wrap;gap:24px}
  .stat{flex:1 1 40%}
  .f-grid{flex-wrap:wrap;gap:32px}
}
@media(max-width:768px){
  .dotnav{display:none}
}
@media(max-width:640px){
  .wrap{padding:0 20px}
  .nav{display:none}
  .hero h1{font-size:32px}
  .strip-in{flex-wrap:wrap;gap:12px;justify-content:center}
  .f-bottom{flex-direction:column;gap:6px;align-items:flex-start}
  .screen{padding:88px 0}
}

/* 首页主题切换按钮 */
.th-btn{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:9px;border:1px solid var(--border-gold);background:var(--glass-1);
  color:var(--gold);margin-right:10px;transition:background .15s,border-color .15s;
}
.th-btn:hover{background:var(--glass-2);border-color:var(--gold)}
.th-btn svg{width:16px;height:16px}
.th-btn[aria-pressed="true"]{background:var(--glass-2)}

/* ============================================================
   浅色下的局部修正（深色块不能硬贴到米色底上）
   ============================================================ */
[data-theme="light"] .float-card{
  background:#FFFFFF;
  border-color:var(--border-gold);
  box-shadow:0 10px 30px rgba(11,22,38,.12), 0 0 0 1px rgba(255,255,255,.6) inset;
}
[data-theme="light"] .fc-num{color:#8A6A12}
[data-theme="light"] .fc-label{color:var(--muted-2)}
[data-theme="light"] .mock{
  box-shadow:0 18px 44px rgba(11,22,38,.14);
  background:linear-gradient(180deg,#FFFFFF,#FBF9F4);
}
[data-theme="light"] .lp-header{box-shadow:0 1px 0 rgba(11,22,38,.06)}
[data-theme="light"] .dotnav{border-color:var(--border-gold);box-shadow:0 4px 14px rgba(11,22,38,.10)}
[data-theme="light"] .btn-gold{color:#1A1408}

/* ============================================================
   功能屏对齐首屏：统一渐变层次 + 玻璃卡 + 金色强调
   ============================================================ */

/* 每屏背景都向 hero 看齐，只是明度递减、方向交替 */
.stats{
  background:
    radial-gradient(900px 500px at 18% -6%,rgba(201,162,39,.10),transparent 58%),
    radial-gradient(700px 420px at 92% 8%,rgba(41,81,132,.42),transparent 62%),
    linear-gradient(160deg,#0a1b33 0%,#14304f 68%,#1a3c60 100%);
}
.feature{
  background:
    radial-gradient(820px 460px at 84% 2%,rgba(41,81,132,.46),transparent 60%),
    radial-gradient(600px 380px at 6% 92%,rgba(201,162,39,.06),transparent 62%),
    linear-gradient(180deg,#0c2140 0%,#0a1b33 100%);
}
.feature.alt{
  background:
    radial-gradient(820px 460px at 14% 2%,rgba(201,162,39,.09),transparent 60%),
    radial-gradient(600px 380px at 94% 92%,rgba(41,81,132,.40),transparent 62%),
    linear-gradient(180deg,#0b1e3a 0%,#0a1b33 100%);
}
[data-theme="light"] .stats{
  background:
    radial-gradient(900px 500px at 18% -6%,rgba(201,162,39,.16),transparent 58%),
    linear-gradient(160deg,#FAF8F2 0%,#F1EADB 68%,#E9DFC8 100%);
}
[data-theme="light"] .feature,
[data-theme="light"] .feature.alt{
  background:
    radial-gradient(820px 460px at 84% 2%,rgba(201,162,39,.15),transparent 60%),
    linear-gradient(180deg,#FAF7EF 0%,#F0E8D6 100%);
}
.stats,.feature{position:relative}
.stats:before,.feature:before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,162,39,.30),transparent);
}

/* 金色渐变文字 */
.gold{
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* 区块标题（与首屏 badge + 大标题同构） */
.sec-head{text-align:center;max-width:860px;margin:0 auto 52px}
.sec-head .badge{margin-bottom:20px}
.sec-head h2{
  font-family:var(--serif);font-size:38px;font-weight:700;line-height:1.4;
  color:var(--fg-strong);letter-spacing:1px;
}
.sec-sub{
  font-size:14px;color:var(--muted);line-height:1.95;margin:16px auto 0;max-width:680px;
}

/* 数据卡：复刻首屏浮卡的玻璃质感 */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{
  position:relative;overflow:hidden;
  border:1px solid var(--border-gold);border-radius:16px;padding:26px 22px 22px;
  background:linear-gradient(180deg,var(--navy-lift),var(--navy));
  box-shadow:0 18px 40px rgba(2,5,12,.38);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 24px 52px rgba(2,5,12,.48);border-color:rgba(201,162,39,.45)}
.stat-card:before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.55;
}
[data-theme="light"] .stat-card{
  background:linear-gradient(180deg,#FFFFFF,#FBF9F4);
  box-shadow:0 12px 28px rgba(11,22,38,.10);
}
[data-theme="light"] .stat-card:hover{box-shadow:0 18px 36px rgba(11,22,38,.16)}
.sc-num{
  font-family:var(--serif);font-size:38px;font-weight:700;line-height:1.15;letter-spacing:.5px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
[data-theme="light"] .sc-num{
  background:linear-gradient(135deg,#B8912A,#7A5C10);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sc-rule{width:30px;height:2px;border-radius:2px;margin:14px 0 12px;
  background:linear-gradient(90deg,var(--gold),transparent)}
.sc-name{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.4px}
.sc-note{font-size:11px;color:var(--muted-2);margin-top:6px;line-height:1.7}

/* 功能屏文字块 */
.f-text .badge{margin-bottom:18px}
.f-text h3{
  font-family:var(--serif);font-size:30px;font-weight:700;line-height:1.42;
  color:var(--fg-strong);letter-spacing:.8px;
}
.f-list{list-style:none;display:flex;flex-direction:column;gap:11px;margin-top:22px}
.f-list li{
  position:relative;padding-left:20px;font-size:13.5px;line-height:1.85;color:var(--text-2);
}
.f-list li:before{
  content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 8px rgba(201,162,39,.55);
}
.f-list li b{color:var(--fg-strong);font-weight:600;margin-right:8px}
.f-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:26px;
  font-size:13.5px;font-weight:600;color:var(--gold-soft);
  border-bottom:1px solid var(--border-gold);padding-bottom:3px;
  transition:color .18s,border-color .18s,gap .18s;
}
.f-link:hover{color:var(--gold-bright);border-color:var(--gold);gap:11px}

/* 截图：套上首屏那个"窗口"框 */
.shot-frame{
  flex:0 0 600px;border-radius:16px;overflow:hidden;
  border:1px solid var(--border-gold);
  background:linear-gradient(180deg,var(--navy-lift),var(--navy));
  box-shadow:0 24px 60px rgba(2,5,12,.55);
}
[data-theme="light"] .shot-frame{
  background:linear-gradient(180deg,#FFFFFF,#FBF9F4);
  box-shadow:0 20px 46px rgba(11,22,38,.16);
}
.sf-bar{
  display:flex;align-items:center;gap:6px;padding:11px 15px;
  background:var(--glass-1);border-bottom:1px solid var(--glass-line);
}
.sf-bar i{width:9px;height:9px;border-radius:50%;background:var(--glass-3)}
.sf-bar span{font-size:10.5px;color:var(--muted-2);margin-left:8px;letter-spacing:.4px}
.sf-body{display:block;overflow:hidden}
.sf-body img{display:block;width:100%;height:auto}

/* 第三屏左右：真实组件而非占位 */
.f-visual{flex:0 0 460px;display:flex;flex-direction:column;gap:14px}
.f-visual .mevi{
  border:1px solid var(--glass-line);border-radius:14px;padding:16px;
  background:var(--glass-1);display:flex;flex-direction:column;gap:10px;
  box-shadow:0 16px 38px rgba(2,5,12,.32);
}
[data-theme="light"] .f-visual .mevi,
[data-theme="light"] .cert-mini{
  background:#FFFFFF;border-color:rgba(138,106,18,.22);
  box-shadow:0 10px 26px rgba(11,22,38,.11),0 1px 0 rgba(255,255,255,.9) inset;
}
.cert-mini{
  display:flex;align-items:center;gap:14px;padding:15px 16px;border-radius:14px;
  border:1px solid var(--border-gold);
  background:linear-gradient(135deg,rgba(201,162,39,.10),transparent 64%),var(--glass-1);
  box-shadow:0 16px 38px rgba(2,5,12,.30);
}
[data-theme="light"] .cert-mini{background:linear-gradient(135deg,rgba(201,162,39,.12),transparent 64%),#FFFFFF}
.cm-qr{
  width:64px;height:64px;flex:0 0 64px;border-radius:8px;background:#fff;
  border:1px solid var(--border-gold);padding:5px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px;
}
.cm-qr span{background:#0A1B33;border-radius:1px}
.cm-qr span:nth-child(1),.cm-qr span:nth-child(3),
.cm-qr span:nth-child(7),.cm-qr span:nth-child(9){background:#0A1B33}
.cm-qr span:nth-child(5){background:#C9A227;border-radius:2px}
.cm-qr span:nth-child(2),.cm-qr span:nth-child(4),
.cm-qr span:nth-child(6),.cm-qr span:nth-child(8){background:#8ea0b8}
.cm-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.cm-body b{font-family:var(--serif);font-size:13px;color:var(--gold-soft);font-weight:600}
.cm-body span{font-family:var(--mono);font-size:11px;color:var(--text-2);letter-spacing:.4px}
.cm-body em{font-style:normal;font-size:10.5px;color:var(--muted-2)}

@media(max-width:1080px){
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .sec-head h2{font-size:30px}
  .f-text h3{font-size:24px}
  .shot-frame{flex:0 0 auto;width:100%}
  .f-visual{flex:0 0 auto;width:100%}
}
@media(max-width:680px){
  .stat-cards{grid-template-columns:1fr}
  .sec-head h2{font-size:25px}
  .sc-num{font-size:32px}
}

/* ============================================================
   功能屏右侧：DOM 演示卡（替代截图，保证清晰度与同源质感）
   ============================================================ */
.f-mock{
  flex:0 0 600px;border-radius:16px;overflow:hidden;
  border:1px solid var(--border-gold);
  background:linear-gradient(180deg,var(--navy-lift),var(--navy));
  box-shadow:0 24px 60px rgba(2,5,12,.55);
}
[data-theme="light"] .f-mock{
  background:linear-gradient(180deg,#FFFFFF,#FBF9F4);
  box-shadow:0 20px 46px rgba(11,22,38,.16);
}
.fm-body{padding:18px;display:flex;flex-direction:column;gap:11px}
.fm-body .mq-b{font-size:11.5px;padding:8px 12px}
.fm-body .mtrace{font-size:10px}
.fm-body .mevi{padding:12px;gap:7px}
.fm-body .mevi-top b{font-size:11.5px}
.fm-body .mevi-top .mcc{font-size:9px;padding:1px 6px}
.fm-body .mevi-top .mart{font-size:10px}
.fm-body .mpoint{font-size:10.5px;line-height:1.6}
.fm-body .mquote{font-size:9.5px;line-height:15px;padding:8px}
.fm-body .mverify{font-size:9.5px;padding-top:6px}
.fm-foot{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.fm-tag{
  font-size:9.5px;padding:3px 9px;border-radius:999px;
  border:1px solid var(--border-gold);background:rgba(201,162,39,.10);
  color:var(--gold-soft);font-weight:600;letter-spacing:.2px;
}
.fm-tag.ok{color:#7ee2b8;background:rgba(70,192,138,.12);border-color:rgba(70,192,138,.28)}
[data-theme="light"] .fm-tag.ok{color:#1E7F55;background:rgba(30,127,85,.10);border-color:transparent}

/* 法条库演示卡 */
.lm-body{display:grid;grid-template-columns:168px minmax(0,1fr);min-height:308px}
.lm-side{border-right:1px solid var(--glass-line);padding:10px 8px;display:flex;
  flex-direction:column;gap:4px;background:var(--glass-1)}
.lm-search{
  font-size:9.5px;color:var(--muted-2);border:1px solid var(--glass-line);
  border-radius:6px;padding:5px 8px;margin-bottom:6px;background:var(--chrome-soft);
}
.lm-item{padding:6px 8px;border-radius:6px;display:flex;flex-direction:column;gap:1px;
  border:1px solid transparent}
.lm-item b{font-size:10px;font-weight:500;color:var(--text-2);line-height:1.4}
.lm-item span{font-size:8.5px;color:var(--muted-2)}
.lm-item.on{background:rgba(201,162,39,.10);border-color:var(--border-gold)}
.lm-item.on b{color:var(--gold-soft)}
.lm-main{padding:12px 14px;display:flex;flex-direction:column;gap:9px;min-width:0}
.lm-doc{font-family:var(--serif);font-size:11px;color:var(--fg-strong);font-weight:600;
  padding-bottom:8px;border-bottom:1px solid var(--glass-line)}
.lm-seg{display:inline-flex;gap:2px;padding:2px;border:1px solid var(--glass-line);
  border-radius:6px;background:var(--chrome-soft);width:max-content}
.lm-seg span{font-size:8.5px;padding:2px 8px;border-radius:4px;color:var(--muted-2)}
.lm-seg span.on{background:rgba(201,162,39,.14);color:var(--gold-soft);font-weight:600}
.lm-prov{display:flex;flex-direction:column;gap:3px;padding:6px 8px;border-radius:6px;
  border-left:2px solid transparent}
.lm-prov .lm-no{font-family:var(--mono);font-size:9px;color:var(--gold-soft);font-weight:600}
.lm-prov .lm-no em{font-style:normal;color:#7ee2b8;margin-left:6px;font-size:8px}
.lm-prov p{font-size:9.5px;line-height:1.65;color:var(--text-2)}
.lm-prov.hl{background:linear-gradient(90deg,rgba(201,162,39,.14),transparent 72%);
  border-left-color:var(--gold)}

@media(max-width:1080px){
  .f-mock{flex:0 0 auto;width:100%}
}

/* 标题均衡换行，避免末字孤行 */
.sec-head h2,.f-text h3,.welcome h2{text-wrap:balance}
/* 功能屏内容垂直居中（sticky header 会占位，这里显式收紧上下留白） */
.screen.feature{padding:84px 0}

/* 各屏内容强制垂直居中（auto margin 比 justify-content 更可靠） */
.screen > .wrap,
.screen > .final-in{margin-top:auto;margin-bottom:auto}