/* ==========================================================================
   赛柏宇宙 CYBER UNIVERSE · 站点设计系统
   规范来源：DESIGN_SPEC.md（DARK-TECH SPEC v1.0）
   架构：一个宇宙底 + 每个 IP 一套 --accent
   ========================================================================== */

:root{
  /* —— 宇宙层（全站共用）—— */
  --accent:#ffd400; --accent-rgb:255,212,0;
  --accent-dark:#e6b800; --accent-light:#ffe873;
  --ink:#ffd400;

  --bg-deep:#0d0d10; --bg-mid:#14141a; --bg-card:#1a1a22; --bg-surface:#1e1e26;
  --text-primary:#f1f5f9; --text-muted:#94a3b8; --text-subtle:#64748b; --text-faint:#4b5563;
  --ok:#22c55e; --warn:#f59e0b; --danger:#ef4444;

  --border:rgba(255,212,0,.16); --border-hi:rgba(255,212,0,.45);
  --divider:rgba(255,212,0,.12); --glass:rgba(255,255,255,.03);

  --sans:'Inter',system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --maxw:1200px;
}

/* —— 各 IP 主色（均取自《元素改色色号表_赛柏骑士》，同族体系）—— */
.theme-cybernana  {--accent:#ffd400;--accent-rgb:255,212,0;--accent-dark:#e6b800;--accent-light:#ffe873}
.theme-cyberbiker {--accent:#f00800;--accent-rgb:240,8,0;--accent-dark:#c00600;--accent-light:#ff8a80}
.theme-cybershoes {--accent:#1cbde0;--accent-rgb:28,189,224;--accent-dark:#159bb8;--accent-light:#a5e9f8}
.theme-skier      {--accent:#50c8c8;--accent-rgb:80,200,200;--accent-dark:#3aa5a5;--accent-light:#b7efef}
.theme-soul       {--accent:#983dd9;--accent-rgb:152,61,217;--accent-dark:#7d2fb6;--accent-light:#dcb6f5}
.theme-future     {--accent:#2268e0;--accent-rgb:34,104,224;--accent-dark:#1a52b8;--accent-light:#a8c8f8}

.theme-cybernana,.theme-cyberbiker,.theme-cybershoes,.theme-skier,.theme-soul,.theme-future{
  --border:rgba(var(--accent-rgb),.18);
  --border-hi:rgba(var(--accent-rgb),.48);
  --divider:rgba(var(--accent-rgb),.13);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg-deep);color:var(--text-primary);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:.75rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);display:block;margin-bottom:16px}
h1,h2,h3,h4{letter-spacing:-.02em}
.h1{font-size:clamp(2.25rem,5vw,4rem);font-weight:800;line-height:1.08;letter-spacing:-.03em}
.h2{font-size:2.5rem;font-weight:700;line-height:1.2}
.h3{font-size:1.125rem;font-weight:600;line-height:1.4}
.lead{font-size:1.125rem;color:var(--text-muted);line-height:1.75}
.body{font-size:.9375rem;color:var(--text-muted);line-height:1.75}
.sec{padding:100px 0;position:relative;overflow:hidden}
.sec-head{max-width:640px;margin:0 auto 64px;text-align:center}
.sec-head .h2{margin-bottom:16px}
.sec-head .lead{font-size:1.0625rem}
.note{font-family:var(--mono);font-size:.7rem;color:var(--text-faint);letter-spacing:.04em}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;padding:14px 32px;
  border-radius:999px;font-weight:600;font-size:.9375rem;border:2px solid transparent;
  transition:all .25s ease;cursor:pointer}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#0d0d10;
  box-shadow:0 4px 24px rgba(var(--accent-rgb),.3)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);
  box-shadow:0 0 26px rgba(var(--accent-rgb),.5)}
.btn-ghost{background:transparent;border-color:rgba(var(--accent-rgb),.42);color:var(--accent-light)}
.btn-ghost:hover{border-color:var(--accent);color:#fff;box-shadow:0 0 16px rgba(var(--accent-rgb),.22)}
.btn-light{background:#0d0d10;border-color:#0d0d10;color:var(--accent)}
.btn-light:hover{background:#1a1a22;border-color:#1a1a22}
.btn-sm{padding:10px 22px;font-size:.875rem}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.4;
  stroke-linecap:round;stroke-linejoin:round}

/* ---------- header ---------- */
header{position:fixed;inset:0 0 auto 0;z-index:60;padding:18px 0;border-bottom:1px solid transparent;
  transition:background .3s ease,backdrop-filter .3s ease,padding .3s ease,border-color .3s ease}
header.stuck{background:rgba(13,13,16,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:12px 0;border-bottom-color:var(--divider)}
.navrow{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-txt{display:flex;flex-direction:column;line-height:1.15}
.logo-txt b{font-size:1.0625rem;font-weight:700}
.logo-txt span{font-family:var(--mono);font-size:.625rem;letter-spacing:.22em;color:var(--text-subtle);text-transform:uppercase}
nav.main{display:flex;align-items:center;gap:28px}
nav.main>a,nav.main .has-sub>span{font-size:.9375rem;font-weight:500;color:var(--text-muted);
  transition:color .2s ease;cursor:pointer;position:relative;display:inline-block}
nav.main>a:hover,nav.main .has-sub:hover>span{color:var(--accent)}
nav.main>a.on{color:var(--text-primary)}
nav.main>a.on::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:var(--accent);border-radius:2px}
.has-sub{position:relative}
.has-sub>span::after{content:"";display:inline-block;width:5px;height:5px;margin-left:7px;
  border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:translateY(-2px) rotate(45deg)}
.sub{position:absolute;top:calc(100% + 16px);left:-18px;min-width:210px;background:rgba(20,20,26,.97);
  backdrop-filter:blur(14px);border:1px solid var(--divider);border-radius:14px;padding:10px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .22s ease;
  box-shadow:0 20px 60px rgba(0,0,0,.5)}
.has-sub:hover .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;font-size:.875rem;color:var(--text-muted)}
.sub a:hover{background:rgba(255,255,255,.045);color:var(--text-primary)}
.sub a i{width:8px;height:8px;border-radius:50%;flex-shrink:0;font-style:normal}
.sub a em{margin-left:auto;font-style:normal;font-family:var(--mono);font-size:.625rem;letter-spacing:.06em;color:var(--text-faint)}
.hdr-right{display:flex;align-items:center;gap:14px}
.lang{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;color:var(--text-subtle);
  border:1px solid var(--border);border-radius:999px;padding:5px 12px}
.burger{display:none;background:none;border:1px solid var(--border);border-radius:10px;padding:8px 10px;cursor:pointer}
.burger i{display:block;width:18px;height:2px;background:var(--accent);border-radius:2px;margin:4px 0}

/* ---------- hero ---------- */
.hero{min-height:100vh;display:flex;align-items:center;background:var(--bg-deep);
  padding:170px 0 150px;position:relative;overflow:hidden}
.hero.short{min-height:auto;padding:150px 0 90px}
.dots{position:absolute;inset:0;z-index:0;opacity:.3;animation:drift 8s ease-in-out infinite}
.glow{position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.glow.a{top:-160px;right:-140px;width:720px;height:720px;
  background:radial-gradient(ellipse 50% 60% at 60% 45%,rgba(var(--accent-rgb),.13) 0%,transparent 70%)}
.glow.b{bottom:-80px;left:-200px;width:640px;height:640px;
  background:radial-gradient(ellipse,rgba(var(--accent-rgb),.07) 0%,transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;position:relative;z-index:1}
.hero .h1{font-size:clamp(1.9rem,4vw,3.25rem)}
.hero .h1 span{color:var(--accent)}
.hero .lead{margin-top:24px;max-width:500px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:36px}
.proof{margin-top:22px;font-family:var(--mono);font-size:.78rem;color:var(--text-subtle);
  display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.proof b{color:var(--ok);font-size:.6rem}
.proof i{font-style:normal;color:var(--text-faint)}

/* ---------- 宇宙面板（多项目堆叠）---------- */
.board{position:relative;border-radius:17px}
.board::before{content:"";position:absolute;inset:-1px;border-radius:17px;z-index:0;
  background:linear-gradient(180deg,rgba(var(--accent-rgb),.7) 0%,transparent 38%,transparent 62%,rgba(240,8,0,.45) 100%);
  background-size:100% 200%;animation:shimmer 3.2s linear infinite}
.board-in{position:relative;z-index:1;background:var(--bg-card);border:1px solid var(--border);
  border-radius:16px;overflow:hidden;box-shadow:0 0 60px rgba(var(--accent-rgb),.1)}
.board-bar{display:flex;align-items:center;gap:8px;padding:12px 18px;
  border-bottom:1px solid var(--divider);background:var(--bg-card)}
.dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.board-bar .fname{margin-left:12px;font-family:var(--mono);font-size:.72rem;color:var(--text-subtle)}
.board-bar .tag{margin-left:auto;font-family:var(--mono);font-size:.66rem;color:var(--accent);
  border:1px solid rgba(var(--accent-rgb),.3);background:rgba(var(--accent-rgb),.08);
  border-radius:5px;padding:2px 8px}
.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--divider)}
.bcell{position:relative;background:var(--bg-deep);aspect-ratio:1/1;overflow:hidden}
.bcell img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.bcell:hover img{transform:scale(1.06)}
.bcell .meta{position:absolute;inset:auto 0 0 0;padding:30px 12px 11px;
  background:linear-gradient(transparent,rgba(13,13,16,.9))}
.bcell .meta b{display:block;font-size:.8125rem;font-weight:600}
.bcell .meta em{font-style:normal;font-family:var(--mono);font-size:.625rem;letter-spacing:.08em;color:var(--text-subtle)}
.bcell.tone{display:grid;place-items:center;background:var(--bg-card)}
.bcell.tone .stack{text-align:center;padding:14px}
.bcell.tone .stack b{display:block;font-family:var(--mono);font-size:1.75rem;color:var(--accent);font-weight:700}
.bcell.tone .stack span{font-family:var(--mono);font-size:.625rem;letter-spacing:.1em;color:var(--text-subtle)}
.board-foot{padding:12px 18px;border-top:1px solid var(--divider);background:rgba(var(--accent-rgb),.05);
  display:flex;align-items:center;gap:8px}
.board-foot .t{font-family:var(--mono);font-size:.7rem;color:var(--accent-light)}
.board-foot .n{margin-left:auto;font-family:var(--mono);font-size:.65rem;color:var(--text-faint)}

/* ---------- marquee ---------- */
.marquee{position:absolute;bottom:0;left:0;right:0;background:var(--bg-card);
  border-top:1px solid var(--divider);padding:14px 0;overflow:hidden;z-index:2}
.marquee.static{position:relative;border-radius:14px;border:1px solid var(--divider)}
.mtrack{display:flex;width:max-content;animation:marq 26s linear infinite}
.mitem{font-family:var(--mono);font-size:.75rem;color:var(--text-subtle);margin:0 30px;
  letter-spacing:.06em;white-space:nowrap;display:inline-flex;align-items:center;gap:9px}
.mitem b{width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.75}

/* ---------- stats ---------- */
.statrow{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);
  border-radius:14px;background:rgba(255,255,255,.02);overflow:hidden}
.statrow.two{grid-template-columns:1fr 1fr}
.statcol{padding:40px 24px;text-align:center;border-right:1px solid var(--divider)}
.statcol:last-child{border-right:none}
.statcol .num{font-family:var(--mono);font-size:3.5rem;font-weight:700;line-height:1;letter-spacing:-.03em;color:var(--accent)}
.statcol .cap{font-family:var(--mono);font-size:.8rem;color:var(--text-muted);margin-top:12px;letter-spacing:.03em}
.statcol .src{font-family:var(--mono);font-size:.65rem;color:var(--text-faint);margin-top:6px}

/* ---------- cards ---------- */
.card{background:var(--glass);border:1px solid var(--border);border-radius:12px;padding:32px;height:100%;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-4px);border-color:var(--border-hi);
  box-shadow:0 8px 32px rgba(var(--accent-rgb),.1)}
.ico{width:48px;height:48px;border-radius:10px;background:rgba(var(--accent-rgb),.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:background .3s ease}
.card:hover .ico{background:rgba(var(--accent-rgb),.24)}
.ico svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ---------- 首页板块卡（四大主题）---------- */
.pillar{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:14px;
  background:var(--glass);padding:34px 30px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.pillar:hover{transform:translateY(-4px);border-color:var(--border-hi);box-shadow:0 8px 32px rgba(var(--accent-rgb),.1)}
.pillar .idx{position:absolute;top:22px;right:26px;font-family:var(--mono);font-size:2.5rem;font-weight:700;
  color:rgba(var(--accent-rgb),.14);line-height:1}
.pillar .ico{margin-bottom:22px}
.pillar h3{font-size:1.25rem;font-weight:600;margin-bottom:10px}
.pillar .en{font-family:var(--mono);font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-subtle);margin-bottom:14px;display:block}
.pillar ul{list-style:none;margin-top:18px;border-top:1px solid rgba(255,255,255,.06);padding-top:16px}
.pillar li{font-size:.8125rem;color:var(--text-muted);padding:5px 0;display:flex;gap:9px;align-items:flex-start}
.pillar li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);
  flex-shrink:0;margin-top:8px;opacity:.8}

/* ---------- 项目卡 ---------- */
.pcard{position:relative;display:flex;flex-direction:column;border:1px solid var(--border);
  border-radius:16px;background:var(--bg-card);overflow:hidden;
  transition:transform .35s var(--ease),border-color .3s ease,box-shadow .3s ease}
.pcard:hover{transform:translateY(-6px);border-color:var(--border-hi);
  box-shadow:0 16px 44px rgba(var(--accent-rgb),.16)}
.pcard::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent);opacity:.9;z-index:3}
.pcard .thumb{position:relative;aspect-ratio:16/11;overflow:hidden;background:var(--bg-deep)}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.pcard:hover .thumb img{transform:scale(1.05)}
.pcard .thumb.typo{display:grid;place-items:center;
  background:radial-gradient(ellipse at 50% 40%,rgba(var(--accent-rgb),.16) 0%,transparent 68%),var(--bg-deep)}
.pcard .thumb.typo .mark{text-align:center;padding:18px}
.pcard .thumb.typo .mark b{display:block;font-size:1.5rem;font-weight:800;letter-spacing:-.01em}
.pcard .thumb.typo .mark span{font-family:var(--mono);font-size:.65rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);display:block;margin-top:8px}
.pcard .flag{position:absolute;top:14px;right:14px;font-family:var(--mono);font-size:.625rem;
  letter-spacing:.08em;padding:4px 9px;border-radius:999px;background:rgba(13,13,16,.78);
  border:1px solid var(--border-hi);color:var(--accent-light);backdrop-filter:blur(8px)}
.pcard .flag.soon{color:var(--text-subtle);border-color:rgba(255,255,255,.12)}
.pcard .pbody{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.pcard .pbody h3{font-size:1.125rem;font-weight:600}
.pcard .pbody .en{font-family:var(--mono);font-size:.625rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-top:6px;display:block}
.pcard .pbody p{font-size:.875rem;color:var(--text-muted);line-height:1.7;margin-top:14px;flex:1}
.pcard .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.pcard .tags span{font-family:var(--mono);font-size:.625rem;letter-spacing:.05em;color:var(--text-subtle);
  border:1px solid rgba(255,255,255,.08);border-radius:999px;padding:4px 10px}
.pcard .go{margin-top:20px;font-family:var(--mono);font-size:.72rem;color:var(--accent);
  display:inline-flex;align-items:center;gap:7px;letter-spacing:.04em}
.pcard:hover .go{gap:11px}
.pcard.disabled{opacity:.72;pointer-events:none}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gtile{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border);
  background:var(--bg-card);transition:transform .35s var(--ease),border-color .3s ease,box-shadow .3s ease}
.gtile:hover{transform:translateY(-6px);border-color:var(--border-hi);box-shadow:0 14px 40px rgba(var(--accent-rgb),.16)}
.gtile img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .5s var(--ease)}
.gtile:hover img{transform:scale(1.05)}
.gtile .lab{position:absolute;inset:auto 0 0 0;padding:26px 14px 12px;
  background:linear-gradient(transparent,rgba(13,13,16,.88));display:flex;align-items:center;gap:8px}
.gtile .lab .id{font-family:var(--mono);font-size:.75rem;color:#fff}
.gtile .lab .rk{margin-left:auto;font-family:var(--mono);font-size:.625rem;color:var(--accent);
  border:1px solid rgba(var(--accent-rgb),.35);border-radius:999px;padding:2px 8px}
.gfoot{display:flex;align-items:center;gap:20px;margin-top:28px;padding-top:22px;
  border-top:1px solid var(--divider);flex-wrap:wrap}
.gfoot p{font-family:var(--mono);font-size:.7rem;color:var(--text-faint);margin:0;margin-left:auto}
.pager{display:flex;gap:6px}
.pager span{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--border);
  border-radius:8px;font-family:var(--mono);font-size:.75rem;color:var(--text-subtle)}
.pager span.on{background:var(--accent);border-color:var(--accent);color:#0d0d10;font-weight:700}

/* ---------- traits ---------- */
.traits{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.tr{flex:0 0 172px;border:1px solid var(--border);border-radius:12px;background:var(--glass);
  padding:20px 16px;text-align:center;transition:all .28s ease}
.tr:hover{transform:translateY(-3px);border-color:var(--border-hi);background:rgba(var(--accent-rgb),.06)}
.tr .zh{font-size:.875rem;font-weight:600}
.tr .en{font-family:var(--mono);font-size:.625rem;letter-spacing:.1em;color:var(--text-subtle);
  text-transform:uppercase;margin-top:6px}
.traits-note{text-align:center;margin-top:26px;font-family:var(--mono);font-size:.72rem;
  color:var(--text-faint);letter-spacing:.05em}

/* ---------- table ---------- */
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:rgba(255,255,255,.03);
  border:1px solid var(--border);border-radius:14px;overflow:hidden}
.tbl th{font-family:var(--mono);font-size:.8125rem;font-weight:600;letter-spacing:.06em;
  padding:20px 28px;text-align:left;color:var(--text-subtle);border-bottom:1px solid var(--divider);
  text-transform:uppercase}
.tbl th.c,.tbl td.c{text-align:center}
.tbl th.hl{background:linear-gradient(135deg,var(--accent-dark) 0%,var(--accent) 55%,rgba(255,255,255,.85) 100%);
  color:#0d0d10;border-left:1px solid var(--border-hi);border-right:1px solid var(--border-hi)}
.tbl td{padding:16px 28px;font-size:.9rem;color:var(--text-muted);vertical-align:middle;
  border-bottom:1px solid rgba(255,255,255,.05)}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr{transition:background .2s ease}
.tbl tbody tr:hover{background:rgba(var(--accent-rgb),.04)}
.tbl td.name{font-family:var(--mono);font-size:.8125rem;color:var(--text-primary)}
.tbl td.price{font-family:var(--mono);font-weight:600;color:var(--accent)}
.tbl td.rank{font-family:var(--mono);color:var(--text-subtle);width:56px}
.tbl td.hl{background:rgba(var(--accent-rgb),.05);border-left:1px solid rgba(var(--accent-rgb),.3);
  border-right:1px solid rgba(var(--accent-rgb),.3)}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip-t{font-family:var(--mono);font-size:.75rem;letter-spacing:.04em;color:var(--accent-light);
  background:rgba(var(--accent-rgb),.07);border:1px solid var(--border);border-radius:999px;
  padding:7px 15px;transition:all .25s ease}
.chip-t:hover{border-color:var(--border-hi);background:rgba(var(--accent-rgb),.14)}
.chip-t.on{background:rgba(var(--accent-rgb),.18);border-color:var(--border-hi);color:#fff}

/* ---------- cta ---------- */
.cta{background:linear-gradient(135deg,var(--accent-dark) 0%,var(--accent) 55%,rgba(242,105,106,.95) 100%);
  padding:100px 0;position:relative;overflow:hidden}
.cta .wm{position:absolute;font-family:var(--mono);font-size:.72rem;line-height:1.9;
  color:rgba(13,13,16,.13);pointer-events:none;user-select:none}
.cta .h2{font-size:2.75rem;font-weight:800;color:#0d0d10;line-height:1.15;margin-bottom:20px}
.cta .lead{color:rgba(13,13,16,.78);max-width:560px;margin:0 auto 36px}
.cta .eyebrow{color:rgba(13,13,16,.62)}
.cta .ctr{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}
.assure{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:36px}
.assure div{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.75rem;color:rgba(13,13,16,.75)}
.assure svg{width:15px;height:15px;stroke:#0d0d10;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- footer ---------- */
footer{background:var(--bg-deep);border-top:1px solid var(--divider);padding:72px 0 0}
.fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.fgrid h4{font-size:.9375rem;font-weight:600;margin-bottom:18px}
.fgrid ul{list-style:none}
.fgrid li{margin-bottom:11px}
.fgrid a{font-size:.875rem;color:var(--text-muted);transition:color .2s ease}
.fgrid a:hover{color:var(--accent)}
.fbrand p{font-size:.875rem;color:var(--text-muted);line-height:1.75;margin-top:20px;max-width:330px}
.fsoc{display:flex;gap:10px;margin-top:22px}
.fsoc a{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);display:grid;
  place-items:center;color:var(--text-muted);transition:all .25s ease}
.fsoc a:hover{border-color:var(--border-hi);color:var(--accent);background:rgba(var(--accent-rgb),.08)}
.fsoc svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.copy{border-top:1px solid var(--divider);padding:26px 0;display:flex;justify-content:space-between;
  gap:20px;flex-wrap:wrap}
.copy p,.copy a{font-family:var(--mono);font-size:.72rem;color:var(--text-faint)}
.copy a:hover{color:var(--accent)}
.copy .links a{margin-left:14px}

/* ---------- 面包屑 ---------- */
.crumb{font-family:var(--mono);font-size:.72rem;color:var(--text-subtle);display:flex;
  align-items:center;gap:10px;margin-bottom:26px}
.crumb a:hover{color:var(--accent)}
.crumb i{font-style:normal;color:var(--text-faint)}

/* ---------- reveal / anim ---------- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@keyframes drift{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes shimmer{0%{background-position:0% 0%}100%{background-position:0% 200%}}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .tr{flex:0 0 158px}
  .grid4{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .grid2{grid-template-columns:1fr;gap:40px}
  .gal{grid-template-columns:repeat(3,1fr)}
  .grid4{grid-template-columns:1fr 1fr}
  .grid3{grid-template-columns:1fr}
  .statrow{grid-template-columns:1fr 1fr}
  .statcol:nth-child(2){border-right:none}
  .statcol:nth-child(-n+2){border-bottom:1px solid var(--divider)}
  .fgrid{grid-template-columns:1fr 1fr;gap:32px}
  nav.main{display:none}
  .burger{display:block}
  header.open nav.main{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    gap:0;background:rgba(13,13,16,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--divider);padding:8px 32px 20px;align-items:stretch}
  header.open nav.main>a{padding:14px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.05)}
  header.open .has-sub>span{padding:14px 0;width:100%;display:block}
  header.open .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border:none;padding:0 0 8px}
}
@media(max-width:767px){
  .wrap{padding:0 20px}
  .sec{padding:64px 0}
  .hero{padding:130px 0 120px}
  .hero.short{padding:120px 0 70px}
  .h2{font-size:1.75rem}
  .cta .h2{font-size:1.9rem}
  .gal{grid-template-columns:repeat(2,1fr);gap:14px}
  .traits{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .tr{flex:none;width:auto;padding:16px 10px}
  .tr .zh{font-size:.8125rem}
  .statcol{padding:28px 14px}
  .statcol .num{font-size:2.25rem}
  .tbl th,.tbl td{padding:12px 14px;font-size:.75rem}
  .tbl th{font-size:.7rem}
  .card,.pillar{padding:24px}
  .grid4,.grid3{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .sec-head{margin-bottom:44px}
  .board-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .lang{display:none}
  .hdr-right .btn-sm{padding:9px 16px;font-size:.8125rem}
  .logo-txt b{font-size:.9375rem}
}