/* ============================================================
   我要token · 全站样式（重制版）
   配色：深空蓝 + 青色 · 全站无紫色
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --wrap:1180px;
  --r:14px;--r-sm:8px;--r-xs:5px;
  --bg:#f3f7fb;--bg-2:#e8f0f8;--panel:#ffffff;
  --ink:#0b1728;--ink-2:#3d4d61;--ink-3:#65798e;
  --line:#dce6f0;--line-2:#e8eef6;
  --primary:#0b6ec9;--primary-2:#0894d8;--primary2:#0894d8;
  --accent:#06b6d4;--accent-soft:rgba(6,182,212,.11);--accent-line:rgba(6,182,212,.30);
  --cta1:#f97316;--cta2:#f59e0b;
  --glow:rgba(8,110,201,.32);
  --glow-1:rgba(8,110,201,.16);--glow-2:rgba(6,182,212,.14);
  --sh-1:0 1px 2px rgba(9,30,56,.05);
  --sh-2:0 14px 34px -20px rgba(9,30,56,.30);
  --sh-3:0 30px 70px -34px rgba(9,30,56,.42);
  --ease:cubic-bezier(.16,1,.3,1);
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --mono:"SF Mono","Cascadia Mono","JetBrains Mono",Consolas,monospace;
  --deep:var(--primary);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:#c2d4e4;border-radius:6px;border:2px solid var(--bg-2)}
::-webkit-scrollbar-thumb:hover{background:var(--primary)}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sec{padding:64px 0;position:relative}
.sec--tight{padding:44px 0}
.sec--soft{background:var(--bg-2)}
.grid{display:grid;gap:16px}
.g2,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3,.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4,.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.band{background:var(--panel);border-block:1px solid var(--line);position:relative}
.band::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent) 30%,var(--primary) 70%,transparent);opacity:.35}

/* ---------- type ---------- */
.sec-head{max-width:780px;margin-bottom:clamp(26px,3.4vw,42px)}
.sec-head .kicker,.sec-head .kick{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;font-weight:650;
  letter-spacing:2.2px;text-transform:uppercase;color:var(--primary);margin-bottom:12px;
  padding:5px 13px;background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:100px;
}
.sec-head .kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(6,182,212,.5);animation:ping 2.2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(6,182,212,.45)}70%{box-shadow:0 0 0 7px rgba(6,182,212,0)}100%{box-shadow:0 0 0 0 rgba(6,182,212,0)}}
.sec-head h2{font-size:clamp(22px,2.7vw,32px);line-height:1.3;letter-spacing:-.015em;font-weight:800;position:relative;width:fit-content}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:-9px;height:3px;width:0;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .7s var(--ease) .15s}
.in .sec-head h2::after,section.in .sec-head h2::after{width:56px}
.sec-head p,.sec-desc{margin-top:14px;color:var(--ink-3);font-size:14.8px;line-height:1.75;max-width:640px}
.lead{font-size:clamp(16px,1.6vw,18px);line-height:1.9;color:var(--ink-2)}
.mono{font-family:var(--mono)}
.hl{background:linear-gradient(100deg,var(--primary) 10%,var(--accent) 55%,var(--primary-2) 95%);
  background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:hlSweep 5s ease-in-out infinite}
@keyframes hlSweep{0%,100%{background-position:0% 0}50%{background-position:100% 0}}

/* ---------- buttons ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:42px;padding:0 20px;border-radius:100px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .25s,background .2s,border-color .2s,color .2s;
  will-change:transform;
}
.btn svg{flex:none;transition:transform .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:hover svg{transform:translateX(3px)}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .55s var(--ease)}
.btn:hover::after{left:130%}
.btn-primary,.btn-accent{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-2) 100%);
  color:#fff;box-shadow:0 8px 24px -10px var(--glow);
}
.btn-primary:hover,.btn-accent:hover{color:#fff;box-shadow:0 14px 32px -10px var(--glow)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);background:var(--panel)}
.btn-ghost:hover{border-color:var(--primary-2);color:var(--primary);box-shadow:var(--sh-1)}
.btn-line{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--primary-2);color:var(--primary);background:var(--panel)}
.btn-light{background:#fff;color:var(--primary);box-shadow:var(--sh-1)}
.btn-light:hover{color:var(--primary);box-shadow:var(--sh-2)}
.btn-lg{height:50px;padding:0 28px;font-size:15px}
.btn-sm{height:34px;padding:0 15px;font-size:12.5px}
.btn-block{width:100%}

/* 商务合作：橙色高亮按钮（全站显眼位） */
.biz-cta{
  position:relative;display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 18px;
  border-radius:100px;border:0;cursor:pointer;white-space:nowrap;overflow:hidden;
  font-size:13px;font-weight:700;letter-spacing:.02em;color:#fff;
  background:linear-gradient(120deg,var(--cta1),var(--cta2));
  box-shadow:0 6px 18px -6px rgba(249,115,22,.55);
  transition:transform .2s var(--ease),box-shadow .25s;
  animation:bizPulse 2.8s ease-in-out infinite;
}
.biz-cta::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-20deg);transition:left .55s var(--ease)}
.biz-cta:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 12px 28px -6px rgba(249,115,22,.7)}
.biz-cta:hover::after{left:130%}
.biz-cta svg{width:14px;height:14px}
@keyframes bizPulse{
  0%,100%{box-shadow:0 6px 18px -6px rgba(249,115,22,.55)}
  50%{box-shadow:0 6px 26px -4px rgba(249,115,22,.85)}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;height:64px;
  background:rgba(255,255,255,.78);backdrop-filter:saturate(1.9) blur(20px);
  -webkit-backdrop-filter:saturate(1.9) blur(20px);
  border-bottom:1px solid transparent;
  transition:box-shadow .35s,background .35s,border-color .35s;
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent 8%,var(--primary-2) 45%,var(--accent) 62%,transparent 92%);opacity:0;transition:opacity .35s}
.site-header.scrolled{background:rgba(255,255,255,.95);box-shadow:0 12px 36px -20px rgba(9,30,56,.32);border-color:var(--line)}
.site-header.scrolled::after{opacity:.5}
.header-in{display:flex;align-items:center;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;transition:transform .25s var(--ease)}
.brand:hover{transform:scale(1.02)}
.brand-mark{height:38px;width:auto;flex:none;filter:drop-shadow(0 3px 8px rgba(8,110,201,.25))}
.brand:hover .brand-mark{filter:drop-shadow(0 5px 14px rgba(8,110,201,.4))}
.nav{display:flex;align-items:center;gap:1px;margin-left:auto;overflow:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{
  position:relative;flex:0 0 auto;font-size:13.2px;color:var(--ink-2);padding:8px 12px;
  border-radius:100px;white-space:nowrap;z-index:1;transition:color .2s,transform .2s;
}
.nav a::before{content:"";position:absolute;inset:0;border-radius:100px;z-index:-1;
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  opacity:0;transform:scale(.85);transition:opacity .22s,transform .28s var(--ease)}
.nav a::after{content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .25s var(--ease),left .25s}
.nav a:hover{color:var(--primary);transform:translateY(-1px)}
.nav a:hover::before{opacity:.1;transform:scale(1)}
.nav a:hover::after{width:56%;left:22%}
.nav a.active,.nav a.on{color:var(--primary);font-weight:650}
.nav a.active::after,.nav a.on::after{width:64%;left:18%}
.nav .m-biz{display:none}
.header-act{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.hdr-cta{
  display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 16px;
  border-radius:100px;background:var(--accent-soft);border:1px solid var(--accent-line);
  color:var(--primary);font-size:12.8px;font-weight:600;white-space:nowrap;
  transition:transform .2s,box-shadow .25s,background .2s,color .2s;
}
.hdr-cta:hover{color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-2));
  border-color:transparent;transform:translateY(-1px);box-shadow:0 8px 20px -8px var(--glow)}

/* 移动菜单按钮 */
.menu-btn{display:none;width:40px;height:36px;border:1px solid var(--line);background:var(--panel);
  border-radius:10px;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-btn span{display:block;width:17px;height:1.8px;background:var(--ink-2);border-radius:2px;transition:transform .28s var(--ease),opacity .2s}
body.nav-open .menu-btn span:nth-child(1){transform:translateY(5.8px) rotate(45deg);background:var(--primary)}
body.nav-open .menu-btn span:nth-child(2){opacity:0}
body.nav-open .menu-btn span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg);background:var(--primary)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;
  padding:clamp(40px,6vw,84px) 0 clamp(44px,6vw,88px);
  color:var(--ink);background:linear-gradient(180deg,#f6fbff 0%,#eef6fc 52%,var(--bg) 100%)}
.hero-grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.42;z-index:0;
  background-image:linear-gradient(rgba(11,52,96,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(11,52,96,.06) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 82% 64% at 50% 38%,#000 26%,transparent 74%);
  mask-image:radial-gradient(ellipse 82% 64% at 50% 38%,#000 26%,transparent 74%)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
.orb-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(64px);opacity:.16;animation:orbDrift 16s ease-in-out infinite}
.orb.o1{width:340px;height:340px;background:var(--primary-2);top:-12%;left:-6%}
.orb.o2{width:280px;height:280px;background:var(--accent);bottom:-14%;right:-4%;animation-delay:-5s}
.orb.o3{width:220px;height:220px;background:#38bdf8;top:42%;right:18%;animation-delay:-10s}
@keyframes orbDrift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(28px,-22px) scale(1.06)}66%{transform:translate(-20px,18px) scale(.96)}}
.hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(560px circle at var(--mx,72%) var(--my,20%),rgba(6,182,212,.10),transparent 62%);
  transition:background .2s}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);
  gap:clamp(32px,7vw,96px);align-items:center;padding-top:8px}
.hero-copy{position:relative;z-index:2;min-width:0}
.eyebrow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px;
  font-family:var(--mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.eyebrow .tick{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:100px;
  color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 16px -8px var(--glow);font-weight:650;font-size:11px;letter-spacing:.12em}
.eyebrow .tick::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px var(--accent);animation:blink 1.8s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(26px,3.8vw,44px);line-height:1.28;font-weight:800;letter-spacing:-.02em;margin:0 0 16px}
.hero .lead{margin:14px 0 0;color:var(--ink-2);font-size:15.6px;line-height:1.8;max-width:560px}
.typewriter{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;font-weight:600;
  color:var(--primary);background:color-mix(in srgb,var(--accent) 8%,#fff);
  border:1px solid var(--accent-line);border-radius:100px;padding:8px 16px;margin:18px 0 4px;
  min-height:37px;line-height:1.5;max-width:100%;white-space:normal;overflow-wrap:anywhere}
.typewriter::before{content:"";width:9px;height:9px;border-radius:3px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 10px rgba(6,182,212,.6)}
.typewriter::after{content:"▌";color:var(--accent);animation:blink 1s steps(1) infinite;margin-left:1px}
.hero-points{margin:16px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.hero-points li{position:relative;font-size:12.9px;color:var(--ink-2);padding:8px 14px 8px 29px;
  background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:100px;
  backdrop-filter:blur(6px);transition:border-color .22s,box-shadow .22s,transform .22s,color .22s}
.hero-points li:hover{border-color:var(--primary-2);color:var(--primary);transform:translateY(-2px);
  box-shadow:0 8px 22px -12px var(--glow)}
.hero-points li::before{content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 8px rgba(6,182,212,.55)}
.cta-row,.hero-cta{display:flex;flex-wrap:wrap;gap:11px;margin:22px 0 0}
.hero-note{margin-top:12px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}

/* hero 右侧视觉 */
.hero-visual{position:relative;z-index:2;min-width:0}
.hero-img{position:relative;border-radius:20px;overflow:hidden;margin:0;
  border:1px solid rgba(140,190,230,.5);box-shadow:var(--sh-3);background:linear-gradient(140deg,#dceefb,#f6fbff)}
.hero-img::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(150deg,rgba(6,140,200,.16),transparent 46%)}
.hero-img::after{content:"";position:absolute;inset:auto 0 0 0;height:38%;z-index:2;pointer-events:none;
  background:linear-gradient(transparent,rgba(7,26,48,.38))}
.hero-img img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:5/4;min-height:300px;
  transition:transform .8s var(--ease)}
.hero-img:hover img{transform:scale(1.045)}
.hero-img .tag{position:absolute;left:14px;bottom:14px;z-index:3;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:11px;color:#fff;background:rgba(8,20,40,.52);
  backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.24);border-radius:100px;padding:6px 13px}
.hero-float{position:absolute;z-index:3;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:12px;padding:9px 14px;box-shadow:var(--sh-2);
  font-size:11.5px;color:var(--ink-2);animation:floaty 5.5s ease-in-out infinite;white-space:nowrap}
.hero-float b{color:var(--primary);font-size:14px;margin-right:4px;font-family:var(--mono)}
.hero-float span{color:var(--ink-3);font-size:11px}
.hero-float.f1{top:12px;left:12px}
.hero-float.f2{bottom:14px;right:12px;animation-delay:-1.8s}
.hero-float.f3{top:44%;right:12px;animation-delay:-3.6s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- ticker ---------- */
.ticker{background:#fff;border-bottom:1px solid var(--line);overflow:hidden;position:relative}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:70px;z-index:2;pointer-events:none}
.ticker::before{left:0;background:linear-gradient(90deg,#fff,transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,#fff,transparent)}
.ticker-in{display:flex;width:max-content;animation:marquee 44s linear infinite}
.ticker:hover .ticker-in{animation-play-state:paused}
.ticker span{display:inline-flex;align-items:center;gap:9px;padding:13px 20px;font-size:12.5px;
  color:var(--ink-2);white-space:nowrap;font-family:var(--mono);letter-spacing:.03em}
.ticker span::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.7;flex:none}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- cards ---------- */
.card{
  position:relative;display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(6,182,212,.09),transparent 65%);
  opacity:0;transition:opacity .3s;z-index:0}
.card:hover::before{opacity:1}
.card::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;z-index:1;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.card:hover::after{transform:scaleX(1)}
.card>*{position:relative;z-index:1}
.card-ic{width:38px;height:38px;border-radius:10px;display:inline-grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent-soft),rgba(8,148,216,.14));color:var(--primary);margin:0}
.card-ic svg{width:19px;height:19px;transition:transform .3s var(--ease)}
.card:hover .card-ic{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
.card:hover .card-ic svg{transform:scale(1.12) rotate(-6deg)}
.card h3{display:flex;align-items:center;gap:9px;margin-bottom:7px;font-size:15.5px;letter-spacing:-.01em;font-weight:700}
.card h3 .num{font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--primary);margin-right:2px}
.card p{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.card .meta{margin-top:12px;font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.04em;display:flex;gap:12px}
.mini{list-style:none;margin:11px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.mini li{font-size:11.5px;color:var(--ink-3);background:var(--bg-2);border:1px solid var(--line-2);
  border-radius:100px;padding:3px 10px;line-height:1.5;max-width:100%;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .mini li{border-color:var(--accent-line);color:var(--ink-2)}

/* ---------- 文章卡 acard ---------- */
.acard{position:relative;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.acard::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:inherit;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(6,182,212,.10),transparent 62%);
  opacity:0;transition:opacity .3s}
.acard:hover::before{opacity:1}
.acard:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.acard-top{position:relative;aspect-ratio:16/8.4;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line-2)}
.acard-top::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,22,42,.24) 0%,rgba(7,22,42,0) 42%,rgba(7,22,42,.20) 100%)}
.acard-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.acard:hover .acard-img{transform:scale(1.06)}
.acard-top .tag{position:absolute;left:12px;top:12px;z-index:2;height:23px;padding:0 10px;border-radius:100px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(4px);border:1px solid var(--line);
  color:var(--primary);font-size:11px;font-weight:650;display:inline-flex;align-items:center;gap:4px}
.acard-body{padding:16px 18px 17px;display:flex;flex-direction:column;flex:1;position:relative;z-index:1}
.acard-body h3{font-size:15.6px;line-height:1.5;letter-spacing:-.01em;font-weight:700;
  transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.acard:hover .acard-body h3{color:var(--primary)}
.acard-body p{margin-top:8px;font-size:13.2px;line-height:1.78;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.acard-body .foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.acard-body .foot i{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{position:relative;padding:20px 12px 18px;text-align:center;border:1px solid var(--line);
  border-radius:var(--r);background:var(--panel);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.stat::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),rgba(6,182,212,.10),transparent 65%);
  opacity:0;transition:opacity .3s}
.stat:hover::before{opacity:1}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.stat::after{content:"";position:absolute;left:20%;right:20%;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transition:transform .4s var(--ease)}
.stat:hover::after{transform:scaleX(1)}
.stat b{display:block;font-family:var(--mono);font-size:30px;line-height:1.15;font-weight:700;letter-spacing:-.02em;
  background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:5px;font-size:12px;color:var(--ink-3)}

/* ---------- steps（首页流程） ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;counter-reset:s}
.steps li{display:block;position:relative;padding:16px 14px 14px;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r);counter-increment:s;
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;right:14px;top:12px;
  font-family:var(--mono);font-size:26px;font-weight:700;line-height:1;color:rgba(11,110,201,.12)}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:27px;height:27px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
  font-family:var(--mono);font-size:12px;font-weight:700;margin:0 0 9px;
  box-shadow:0 5px 14px -6px var(--glow)}
.steps h3{font-size:14px;margin:0 0 4px;font-weight:700}
.steps p{font-size:12.5px;color:var(--ink-3);line-height:1.65;margin:0}

/* ---------- chips / ticks ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chips li{font-size:13px;color:var(--ink-2);background:var(--panel);border:1px solid var(--line);
  border-radius:100px;padding:7px 16px;cursor:default;
  transition:color .18s,border-color .18s,transform .18s,box-shadow .18s,background .18s}
.chips li:hover{color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-2));
  border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 22px -12px var(--glow)}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding:0 0 11px 24px;font-size:13.8px;color:var(--ink-2);line-height:1.7}
.ticks li::before{content:"";position:absolute;left:2px;top:8px;width:11px;height:6px;
  border-left:2.2px solid var(--accent);border-bottom:2.2px solid var(--accent);transform:rotate(-45deg)}
.ticks li b{color:var(--ink);font-weight:650}

/* ---------- case 卡（最近更新） ---------- */
.case{position:relative;display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.case::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));transform:scaleY(0);transform-origin:top;transition:transform .35s var(--ease)}
.case:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.case:hover::before{transform:scaleY(1)}
.case h3{font-size:15px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.case:hover h3{color:var(--primary)}
.case dl{display:grid;grid-template-columns:64px minmax(0,1fr);column-gap:14px;row-gap:7px;margin:14px 0 0;
  padding-top:13px;border-top:1px dashed var(--line);font-size:12.6px}
.case dt{color:var(--ink-3);white-space:nowrap}
.case dd{margin:0;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:10px;max-width:880px}
.faq-list details,.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-list details,.faq details{border-radius:12px}
.faq{border-top:0;display:grid;gap:10px;margin-top:0}
.faq details{padding:0}
.faq-list details[open],.faq details[open]{border-color:rgba(8,148,216,.45);box-shadow:var(--sh-1)}
.faq-list summary,.faq summary{cursor:pointer;list-style:none;padding:15px 42px 15px 17px;font-size:14.4px;
  font-weight:650;position:relative;color:var(--ink);line-height:1.6}
.faq-list summary::-webkit-details-marker,.faq summary::-webkit-details-marker{display:none}
.faq-list summary::after,.faq summary::after{
  content:"";position:absolute;right:18px;top:50%;width:8px;height:8px;margin-top:-5px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .28s var(--ease)}
.faq-list details[open] summary::after,.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px;border-color:var(--primary)}
.faq-list summary:hover,.faq summary:hover{color:var(--primary)}
.faq-list details>p,.faq-list .ans,.faq .ans{padding:0 17px 15px;font-size:13.6px;color:var(--ink-2);line-height:1.8}
.faq .ans p{margin:0}
.faq details,.faq-list details{animation:faqIn .3s var(--ease)}
@keyframes faqIn{from{opacity:.6}to{opacity:1}}

/* ---------- 联系卡 c-item ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.c-item{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:26px 22px 22px;position:relative;overflow:hidden;
  transition:transform .32s var(--ease),box-shadow .32s,border-color .32s}
.c-item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.c-item::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(6,182,212,.08),transparent 62%);
  opacity:0;transition:opacity .3s}
.c-item:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.c-item:hover::before,.c-item:hover::after{transform:scaleX(1);opacity:1}
.c-item>*{position:relative;z-index:1}
.c-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  color:#fff;margin-bottom:15px;flex-shrink:0;background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 8px 20px -8px var(--glow)}
.c-icon svg{width:24px;height:24px}
.c-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:7px}
.c-value{font-size:19px;font-weight:700;font-family:var(--mono);color:var(--ink);word-break:break-all;
  line-height:1.35;margin-bottom:7px;transition:color .2s}
.c-item:hover .c-value{color:var(--primary)}
.c-status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-3)}
.status-dot{width:6px;height:6px;border-radius:50%;background:#16a34a;box-shadow:0 0 8px rgba(22,163,74,.6);animation:blink 1.8s infinite}
.c-divider{height:1px;background:var(--line);margin:14px 0}
.c-features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.c-features li{display:flex;align-items:center;gap:7px;font-size:12.8px;color:var(--ink-2)}
.c-features svg{width:13px;height:13px;color:var(--accent);flex:none}
.c-actions{display:flex;gap:8px;margin-top:auto;padding-top:16px}
.c-btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 15px;
  border-radius:100px;border:1px solid var(--line);background:var(--panel);font-size:13px;cursor:pointer;transition:.2s}
.c-btn:hover{transform:translateY(-1px);border-color:var(--primary-2);color:var(--primary)}
.c-btn.primary{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff;border-color:transparent;
  box-shadow:0 6px 16px -8px var(--glow)}
.c-btn.primary:hover{color:#fff;box-shadow:0 10px 22px -8px var(--glow)}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;
  background:linear-gradient(120deg,#083a68 0%,var(--primary) 55%,var(--primary-2) 100%)}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:radial-gradient(600px 300px at 85% 10%,rgba(6,182,212,.35),transparent 62%),
             radial-gradient(500px 280px at 8% 90%,rgba(255,255,255,.14),transparent 60%)}
.cta-band::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000 30%,transparent 78%);
  mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000 30%,transparent 78%)}
.cta-in{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;padding:clamp(36px,5vw,58px) 24px;color:#fff}
.cta-in h2{font-size:clamp(20px,2.6vw,30px);letter-spacing:-.015em;font-weight:800}
.cta-in p{margin-top:9px;color:rgba(255,255,255,.78);font-size:14.5px}
.cta-band .btn-light:hover{box-shadow:0 14px 34px -10px rgba(0,0,0,.4)}

/* ---------- legal 简条款 ---------- */
.legal{padding:26px 0;border-top:1px dashed var(--line)}
.legal h2{font-size:15px;font-weight:750;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.legal h2::before{content:"";width:4px;height:15px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.legal p{font-size:13px;color:var(--ink-3);line-height:1.8;max-width:880px}

/* ---------- 面包屑 ---------- */
.crumb-bar{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.4px;color:var(--ink-3);padding:18px 0 0}
.crumb a{color:var(--ink-3);transition:color .2s;display:inline-flex;align-items:center}
.crumb a:hover{color:var(--primary)}
.crumb i{opacity:.45;font-style:normal}
.crumb span{color:var(--ink);font-weight:550;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章页 ---------- */
.progress{position:fixed;left:0;top:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 10px rgba(6,182,212,.55);transition:width .08s linear}
.post-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding:22px 0 clamp(28px,3.4vw,42px);
  background:linear-gradient(180deg,#f6fbff,#eef6fc)}
.post-hero::before{content:"";position:absolute;right:-170px;top:-190px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,var(--accent-soft),transparent 65%);pointer-events:none}
.post-hero::after{content:"";position:absolute;left:-120px;bottom:-220px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(8,110,201,.10),transparent 65%);pointer-events:none}
.post-hero .wrap{position:relative;z-index:1}
.post-hero .kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:700;margin-bottom:14px;
  padding:5px 13px;background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:100px}
.post-hero h1{font-size:clamp(25px,3.4vw,40px);line-height:1.32;letter-spacing:-.022em;font-weight:800;max-width:920px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:17px;
  font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta svg{width:13px;height:13px;opacity:.7}
.post-lead{margin-top:20px;font-size:clamp(15.4px,1.6vw,17.4px);line-height:1.9;color:var(--ink-2);
  max-width:840px;padding-left:18px;border-left:3px solid var(--accent)}
.post-wrap{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:clamp(28px,4vw,54px);
  padding:clamp(32px,4vw,52px) 0 clamp(48px,6vw,78px);align-items:start}
.post-cover{margin:0 0 clamp(22px,2.6vw,30px);border-radius:16px;overflow:hidden;position:relative;
  box-shadow:0 20px 48px -30px rgba(7,26,48,.55);border:1px solid var(--line)}
.post-cover img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;transition:transform .8s var(--ease)}
.post-cover:hover img{transform:scale(1.03)}
.post-cover figcaption{font-size:12px;color:var(--ink-3);padding:9px 2px 0;font-family:var(--mono);letter-spacing:.02em}

/* 正文 */
.prose{min-width:0;font-size:16.4px;line-height:1.95;color:var(--ink-2)}
.prose h2{font-size:clamp(20px,2.2vw,25px);line-height:1.45;color:var(--ink);font-weight:780;letter-spacing:-.015em;
  margin:clamp(34px,4vw,46px) 0 16px;padding-left:17px;position:relative;scroll-margin-top:96px}
.prose h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4.5px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent))}
.prose h3{font-size:18px;color:var(--ink);font-weight:700;margin:27px 0 10px;scroll-margin-top:96px}
.prose p{margin:0 0 16px}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--primary);font-weight:550;
  background-image:linear-gradient(90deg,var(--accent),var(--accent));
  background-size:0% 1.5px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .3s var(--ease),color .2s;padding-bottom:1px}
.prose a:hover{color:var(--primary-2);background-size:100% 1.5px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:0;display:flex;flex-direction:column;gap:9px}
.prose ul li,.prose ol li{position:relative;padding-left:23px;font-size:15.7px;line-height:1.85}
.prose ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--accent));opacity:.85}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li}
.prose ol li::before{content:counter(li);position:absolute;left:0;top:.26em;width:18px;height:18px;border-radius:6px;
  background:var(--accent-soft);color:var(--primary);font-family:var(--mono);font-size:10.5px;font-weight:700;
  display:grid;place-items:center}
.prose blockquote{margin:26px 0;padding:20px 24px;border-radius:var(--r-sm);position:relative;
  background:var(--bg-2);border-left:3px solid var(--primary);color:var(--ink);font-size:15.4px;line-height:1.85}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;line-height:1.7;display:block;overflow-x:auto;white-space:nowrap}
.prose table th,.prose table td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose table th{background:var(--bg-2);font-weight:700;color:var(--ink);font-size:12.8px;letter-spacing:.02em}
.prose table tr:last-child td{border-bottom:0}
.prose table td{color:var(--ink-2)}
.prose code{font-family:var(--mono);font-size:.9em;background:var(--bg-2);padding:2px 7px;border-radius:6px;
  border:1px solid var(--line-2)}
.prose figure{margin:22px 0}
.prose figure img{border-radius:12px;box-shadow:var(--sh-2);border:1px solid var(--line);width:100%}
.prose figcaption{font-size:12px;color:var(--ink-3);padding:8px 2px 0;font-family:var(--mono)}
.note{margin:24px 0;padding:18px 20px;border-radius:12px;background:var(--accent-soft);
  border:1px solid var(--accent-line);font-size:14.6px;line-height:1.85;color:var(--ink-2)}
.note b{color:var(--primary);display:inline-block;margin-right:6px;font-size:13.4px;letter-spacing:.02em}

/* 相关阅读 / 翻页 */
.related{margin-top:clamp(38px,4.6vw,54px);padding-top:28px;border-top:1px solid var(--line)}
.related h2{font-size:20px;font-weight:780;margin-bottom:18px;letter-spacing:-.01em;display:flex;align-items:center;gap:9px}
.related h2::before{content:"";width:5px;height:18px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
.pager a{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  transition:.25s var(--ease);position:relative;overflow:hidden}
.pager a:hover{border-color:var(--primary-2);transform:translateY(-3px);box-shadow:var(--sh-2)}
.pager a span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:5px}
.pager a b{font-size:14px;font-weight:650;line-height:1.5;display:block;transition:color .2s}
.pager a:hover b{color:var(--primary)}
.pager .next{text-align:right}

/* 侧栏 */
.aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:16px}
.aside-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;
  transition:box-shadow .25s,border-color .25s}
.aside-card:hover{box-shadow:var(--sh-2);border-color:rgba(8,148,216,.35)}
.aside-card h3{font-size:11.5px;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);font-weight:650;margin-bottom:12px;display:flex;align-items:center;gap:7px}
.aside-card h3::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent)}
.toc{display:flex;flex-direction:column;gap:2px;max-height:44vh;overflow:auto;scrollbar-width:thin}
.toc a{display:block;padding:8px 11px;border-radius:8px;font-size:12.8px;line-height:1.6;color:var(--ink-2);
  border-left:2px solid transparent;transition:.2s}
.toc a:hover{background:var(--bg-2);color:var(--ink);transform:translateX(2px)}
.toc a.on{color:var(--primary);border-left-color:var(--primary);background:var(--accent-soft);font-weight:650}
.keybox{background:linear-gradient(150deg,#0a3a68,var(--primary) 90%);color:#fff;border:0;position:relative;overflow:hidden}
.keybox::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(360px 200px at 90% -10%,rgba(6,182,212,.4),transparent 60%)}
.keybox h3{color:rgba(255,255,255,.62)}
.keybox h3::before{background:var(--accent)}
.keybox ul{display:flex;flex-direction:column;gap:10px;position:relative}
.keybox li{font-size:12.9px;line-height:1.7;padding-left:17px;position:relative;color:rgba(255,255,255,.9)}
.keybox li::before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.keybox strong,.keybox b{color:#fff}

/* ---------- 栏目页 ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#f6fbff,#eef6fc)}
.cat-hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(760px 420px at 8% 0%,var(--glow-1),transparent 62%),
             radial-gradient(600px 400px at 95% 40%,var(--glow-2),transparent 60%);pointer-events:none}
.cat-hero .hero-grid{position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(11,52,96,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(11,52,96,.06) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 78% 64% at 50% 36%,#000 26%,transparent 74%);
  mask-image:radial-gradient(ellipse 78% 64% at 50% 36%,#000 26%,transparent 74%)}
.cat-hero .wrap{position:relative;z-index:1;padding-top:20px;padding-bottom:clamp(36px,5vw,60px)}
.cat-hero .crumb{padding-top:14px}
.cat-hero h1{font-size:clamp(26px,3.4vw,38px);line-height:1.28;letter-spacing:-.022em;font-weight:800;margin-top:16px;color:var(--ink)}
.cat-hero p{margin-top:14px;max-width:780px;color:var(--ink-2);font-size:clamp(14.5px,1.5vw,16px);line-height:1.85}
.cat-hero .catmeta{display:flex;gap:20px;flex-wrap:wrap;margin-top:22px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}
.cat-hero .catmeta span{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:100px;padding:5px 13px}
.cat-hero .catmeta b{color:var(--primary);font-weight:700}
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(28px,4vw,52px);
  align-items:start;padding:clamp(34px,4.6vw,58px) 0 clamp(48px,6vw,78px)}
.cat-intro{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:24px 28px;margin-bottom:20px;font-size:15.4px;line-height:1.92;color:var(--ink-2);
  box-shadow:var(--sh-1);overflow:hidden}
.cat-intro::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent))}
.cat-intro p{margin-bottom:14px}
.cat-intro p:last-child{margin-bottom:0}
.cat-intro h2{font-size:19px;color:var(--ink);font-weight:750;margin:24px 0 12px}
.filterbar{display:flex;align-items:center;gap:10px;margin:0 0 18px;flex-wrap:wrap}
.filterbar input{flex:1;min-width:180px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:100px;
  background:var(--panel);font-size:14px;color:var(--ink);outline:none;transition:.25s;font-family:var(--font)}
.filterbar input::placeholder{color:var(--ink-3)}
.filterbar input:focus{border-color:var(--primary-2);box-shadow:0 0 0 4px var(--accent-soft)}
.filterbar .cnt{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);
  background:var(--bg-2);border-radius:100px;padding:6px 12px;white-space:nowrap}
.catlist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.catlist .acard.is-hide{display:none}

/* ---------- 静态页 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding:clamp(34px,4.4vw,56px) 0;background:linear-gradient(180deg,#f6fbff,#eef6fc)}
.page-hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 400px at 12% 0%,var(--glow-1),transparent 62%),
             radial-gradient(520px 360px at 92% 60%,var(--glow-2),transparent 60%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(25px,3.2vw,36px);line-height:1.3;letter-spacing:-.022em;font-weight:800;margin-top:12px;color:var(--ink)}
.page-hero p{margin-top:12px;max-width:740px;color:var(--ink-2);font-size:15px;line-height:1.85}
.page-body{padding:clamp(36px,4.6vw,62px) 0}
.page-body .prose{max-width:860px}
.page-body .prose h2{margin-top:38px;margin-bottom:12px}
.page-body .prose h2:first-child{margin-top:0}
.page-body .prose h3{margin-top:26px;margin-bottom:8px}
.page-body .prose p{margin-bottom:14px}
.page-body .prose ul,.page-body .prose ol{margin:12px 0 16px;padding-left:20px;display:block}
.page-body .prose li{margin-bottom:6px}
.page-body .prose ul li,.page-body .prose ol li{padding-left:0;font-size:15.4px}
.page-body .prose ul li::before{position:static;display:inline-block;margin-right:9px;transform:translateY(-2px)}
.page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0}
.cbox{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  display:flex;flex-direction:column;gap:10px;transition:transform .28s var(--ease),box-shadow .28s,border-color .28s;position:relative;overflow:hidden}
.cbox::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(300px circle at var(--mx,50%) var(--my,50%),rgba(6,182,212,.08),transparent 62%);
  opacity:0;transition:opacity .3s}
.cbox:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(8,148,216,.4)}
.cbox:hover::before{opacity:1}
.cbox .ci{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:grid;place-items:center;box-shadow:0 8px 18px -8px var(--glow)}
.cbox .ci svg{width:20px;height:20px}
.cbox .cl{font-size:11.5px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.cbox .cv{font-size:17px;font-weight:700;color:var(--ink);word-break:break-all}
.cbox:hover .cv{color:var(--primary)}
.cbox p{font-size:13px;color:var(--ink-2);line-height:1.75}
.cbox .cbtn{margin-top:auto;padding-top:8px}
.gloss{display:grid;grid-template-columns:repeat(2,1fr);gap:0 34px}
.gloss div{padding:16px 0;border-bottom:1px solid var(--line);transition:padding-left .25s var(--ease)}
.gloss div:hover{padding-left:8px}
.gloss dt{font-weight:700;color:var(--ink);font-size:15px;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.gloss dt::before{content:"";width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--primary),var(--accent))}
.gloss dd{margin:0;font-size:13.8px;line-height:1.8;color:var(--ink-2)}
.sm-group{margin-bottom:32px;position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh-1)}
.sm-group h2{font-size:17px;font-weight:750;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:9px}
.sm-group h2::before{content:"";width:5px;height:16px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.sm-group ul{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 20px}
.sm-group a{font-size:13.4px;color:var(--ink-2);display:block;padding:6px 0;transition:color .2s,padding-left .2s}
.sm-group a:hover{color:var(--primary);padding-left:6px}

/* ---------- footer ---------- */
.site-footer{position:relative;background:#081524;color:#9db1c5;padding:46px 0 18px;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--primary) 30%,var(--accent) 60%,transparent)}
.site-footer::after{content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);
  width:640px;height:280px;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(8,110,201,.22),transparent)}
.foot-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:30px;padding-bottom:28px}
.foot-brand b{font-size:17px;color:#fff;display:block;line-height:1.25;letter-spacing:-.01em}
.foot-brand i{display:block;font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:#5f7a96;margin-top:3px}
.foot-col p{font-size:12.7px;line-height:1.85;color:#8399b0}
.foot-col h3{font-size:11.5px;color:#fff;letter-spacing:.12em;text-transform:uppercase;font-family:var(--mono);
  margin:0 0 13px;font-weight:650;display:flex;align-items:center;gap:7px}
.foot-col h3::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.foot-col ul{display:grid;gap:8px}
.foot-col a{font-size:12.8px;color:#9db1c5;display:inline-flex;align-items:center;gap:6px;transition:color .2s,transform .2s}
.foot-col a::before{content:"›";opacity:0;margin-left:-9px;transition:opacity .2s,margin .2s;color:var(--accent)}
.foot-col a:hover{color:#fff;transform:translateX(2px)}
.foot-col a:hover::before{opacity:1;margin-left:0}
.foot-contact li{font-size:12.6px;color:#8399b0}
.foot-contact a{color:#9db1c5}
.foot-contact a:hover{color:#fff}
.foot-links{position:relative;display:flex;flex-direction:column;gap:7px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08)}
.foot-links h3{font-size:11px;font-family:var(--mono);letter-spacing:.1em;color:#5f7a96;margin:0 0 4px;font-weight:500}
.links-line{display:flex;flex-wrap:wrap;gap:8px;margin:0}
.links-line a{display:inline-block;font-size:12.8px;color:#9db1c5;padding:4px 13px;border-radius:100px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);transition:.2s}
.links-line a:hover{color:#fff;background:rgba(6,182,212,.16);border-color:rgba(6,182,212,.35);transform:translateY(-1px)}
.foot-bottom{position:relative;border-top:1px solid rgba(255,255,255,.08);margin-top:16px;padding-top:15px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#5f7a96}
.foot-bottom p{margin:0}
.foot-bottom a{color:#9db1c5;transition:color .2s}
.foot-bottom a:hover{color:var(--accent)}

/* ---------- 回顶 ---------- */
.to-top{position:fixed;right:20px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:14px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--ink-2);display:grid;place-items:center;
  box-shadow:var(--sh-2);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.3s var(--ease);backdrop-filter:blur(8px)}
.to-top.on{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--primary);border-color:var(--primary-2);transform:translateY(-3px);
  box-shadow:0 12px 28px -12px var(--glow)}
.to-top svg{width:18px;height:18px}

/* ---------- reveal 动画（默认可见，JS 就绪后才播放入场，杜绝空白） ---------- */
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
.reveal{transition:opacity .45s var(--ease),transform .45s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.06s}.reveal-d2{transition-delay:.12s}.reveal-d3{transition-delay:.18s}.reveal-d4{transition-delay:.24s}
.d1{transition-delay:.06s}.d2{transition-delay:.12s}.d3{transition-delay:.18s}.d4{transition-delay:.24s}
html.js .reveal-zoom{opacity:0;transform:scale(.96)}
html.js .reveal-zoom.in{opacity:1;transform:none}
.reveal-zoom{transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal-zoom.in{opacity:1;transform:none}

/* 首屏文案与视觉：纯 CSS 入场，不依赖 JS */
.hero-copy{animation:heroIn .55s var(--ease) both}
.hero-visual{animation:heroIn .6s var(--ease) .12s both}
@keyframes heroIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hero-copy,.hero-visual{animation:none}}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav{display:none}
  .menu-btn{display:flex}
  .post-wrap{grid-template-columns:1fr}
  .aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px}
  .toc{max-height:none}
  .cat-layout{grid-template-columns:1fr}
  .cat-layout .aside{display:none}
  .steps{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .g3,.grid-3,.g4,.grid-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:560px;margin:0 auto}
  .hero-float.f3{display:none}
  .contact-grid,.page-grid{grid-template-columns:1fr}
  .catlist{grid-template-columns:1fr 1fr}
  .gloss{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:820px){
  .nav{position:fixed;top:64px;left:0;right:0;z-index:99;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:12px 16px 18px;background:rgba(255,255,255,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);box-shadow:0 26px 48px -26px rgba(9,30,56,.45);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .25s,transform .3s var(--ease);
    max-height:calc(100vh - 64px);overflow:auto;display:flex}
  body.nav-open .nav{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:12px 14px;border-radius:10px;font-size:14px}
  .nav a::after{display:none}
  .nav a.active{background:var(--accent-soft)}
  .nav .m-biz{display:block;margin-top:6px;color:var(--primary);font-weight:650;
    background:var(--accent-soft);border:1px dashed var(--accent-line)}
  .biz-cta{display:none}
}
@media (max-width:760px){
  .wrap{padding:0 20px}
  .header-act .hdr-cta{display:none}
  body{font-size:15.5px}
  .sec{padding:44px 0}
  .g2,.grid-2,.g3,.grid-3,.g4,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:10px}
  .catlist{grid-template-columns:1fr}
  .aside{grid-template-columns:1fr}
  .hero{padding:30px 0 40px}
  .hero h1{font-size:clamp(24px,7vw,32px)}
  .hero-img img{aspect-ratio:16/10;min-height:0}
  .hero-float{display:none}
  .cta-row .btn{flex:1;min-width:140px}
  .typewriter{font-size:11.5px}
  .prose{font-size:16px;line-height:1.9}
  .prose h2{font-size:20px;margin-top:34px}
  .post-hero h1{font-size:clamp(23px,6.4vw,30px)}
  .post-lead{font-size:15px;padding-left:14px}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:6px}
  .to-top{right:14px;bottom:18px;width:40px;height:40px}
  .sec-head h2{font-size:24px}
  .sec-head h2::after{width:44px !important}
  .ticker span{font-size:11.5px;padding:11px 16px}
  .cat-intro{padding:20px}
  .gloss{grid-template-columns:1fr}
  .sm-group{padding:16px}
  .sm-group ul{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}

/* ---------- 打印 / 降级 ---------- */
@media print{
  .site-header,.to-top,.progress,.ticker,.hero-canvas,.orb-bg,.cta-band,.biz-cta{display:none!important}
  body{background:#fff}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal,.reveal-zoom{opacity:1;transform:none}
}