/* 灵顿知识产权官网样式 · 布局 D 便当格 + 配色 D7 青蓝渐变·亮（2026-09-30 定稿） */
*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,p,ul,ol{margin:0}ul,ol{padding:0;list-style:none}
:root{--bg:#ecebe6;--tile:#fff;--ink:#121212;--mut:#6d6d68;--lime:#d4f54a;--line:#dcdad3;
  --hero:#121212;--on-hero:#fff;--hero-mut:#b3b3ad;--kicker:#d4f54a;--stroke:rgba(255,255,255,.13);--accent:#d4f54a;--on-accent:#121212;
  --t-rate:#d4f54a;--t-speed:#fff;--t-tsinghua:#fff;--t-clients:#fff;--t-giants:#fff;--t-zero:#fff;
  --bar:#121212;--bar2:#d4f54a;--tag:#d4f54a;--t-cta:#d4f54a;--foot:#121212}
body{background:var(--bg);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:3px solid #2743ff;outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;z-index:9;background:#000;color:#fff;padding:8px 12px}
.top,main,.foot{width:min(1320px,100% - 32px);margin-inline:auto}
.top{display:flex;align-items:center;gap:28px;margin-top:16px;padding:8px 8px 8px 18px;background:var(--tile);border-radius:999px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none}
.brand img{display:block;height:30px;width:auto}
.foot-logo{display:block;height:52px;width:auto;margin-bottom:8px}
.top .d-nav{display:flex;gap:24px;margin-left:auto;font-size:14.5px}
.top .d-nav a{text-decoration:none;color:var(--mut)}.top .d-nav a:hover{color:var(--ink)}
.pill{display:inline-flex;align-items:center;min-height:44px;padding:0 22px;border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:700;text-decoration:none;transition:transform .2s}
.pill:hover{transform:translateY(-2px)}.pill.dark{background:var(--ink);color:#fff}
main{margin-block:12px}
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.t{background:var(--tile);border-radius:28px;padding:28px;position:relative;overflow:hidden;animation:pop .7s cubic-bezier(.2,.8,.2,1) both}
.t:nth-child(2){animation-delay:.08s}.t:nth-child(3){animation-delay:.16s}.t:nth-child(4){animation-delay:.24s}
.t:nth-child(5){animation-delay:.3s}.t:nth-child(6){animation-delay:.36s}.t:nth-child(7){animation-delay:.42s}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.98)}}
.hero{grid-column:1/8;grid-row:1/3;padding:44px;display:flex;flex-direction:column;min-height:580px;background:var(--hero);color:var(--on-hero)}
.hero::before{content:"44558";position:absolute;top:-28px;right:-8px;font:900 190px/1 "Helvetica Neue",sans-serif;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1px var(--stroke)}
.kicker{font-size:13px;color:var(--kicker);letter-spacing:.06em;position:relative}
h1{font-size:clamp(32px,3.7vw,54px);line-height:1.2;font-weight:900;letter-spacing:-.02em;margin-top:auto;padding-top:48px;position:relative}
.lede{margin-top:20px;color:var(--hero-mut);font-size:14.5px;max-width:640px}
.acts{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:28px}
.link{font-weight:600;text-underline-offset:5px}
.badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding:0;position:relative}
.badges li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--hero-mut);border:1px solid var(--stroke);border-radius:999px;padding:6px 14px 6px 6px}
.badges b{font-size:12px;font-weight:800;color:var(--on-hero);background:linear-gradient(90deg,#1bb89e,#3b73f0);border-radius:999px;padding:3px 10px;color:#fff}
.rate{grid-column:8/13;grid-row:1;background:var(--t-rate)}
.speed{grid-column:8/13;grid-row:2;background:var(--t-speed)}
.tsinghua{background:var(--t-tsinghua)}.clients{background:var(--t-clients)}.giants{background:var(--t-giants)}.zero{background:var(--t-zero)}
.tsinghua{grid-column:1/4}.lede p+p{margin-top:8px}.clients{grid-column:4/7}.zero{grid-column:10/13}
.giants{grid-column:7/10;display:flex;gap:18px;align-items:center}
.lbl{font-size:14px;font-weight:600;color:var(--ink);opacity:.72}.rate .lbl{opacity:1}
.big{font:900 clamp(56px,6vw,96px)/1 "Helvetica Neue","SF Pro Display",sans-serif;letter-spacing:-.05em;margin:10px 0 6px}
.big span{font-size:.4em;letter-spacing:0}

.note{font-size:12.5px;color:var(--mut);margin-top:12px;line-height:1.65}.rate .note{color:inherit;opacity:.8}
.bars{display:grid;gap:14px;margin-top:18px}
.bars li{display:grid;grid-template-columns:118px 1fr;align-items:center;column-gap:14px}
.bars b{font-size:18px;line-height:1.3}.bars span{grid-column:1;font-size:12px;color:var(--mut)}
.bars li::after{content:"";grid-column:2;grid-row:1/3;height:14px;border-radius:7px;width:max(var(--w),14px);background:var(--bar)}
.bars li:nth-child(-n+2)::after{background:var(--bar2);box-shadow:inset 0 0 0 1.5px var(--ink)}
.donut{flex:none;width:92px;height:92px;border-radius:50%;background:conic-gradient(var(--bar) 0 23%,var(--line) 0);
  -webkit-mask:radial-gradient(circle,transparent 54%,#000 55%);mask:radial-gradient(circle,transparent 54%,#000 55%)}
.svc-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:12px}
.svc{background:var(--tile);border-radius:28px;padding:32px;text-decoration:none;min-height:280px;display:flex;flex-direction:column;transition:background .25s,color .25s}
.svc:hover{background:var(--hero);color:var(--on-hero)}
.svc .no{font-size:13px;color:var(--mut)}
.svc h3{font-size:clamp(20px,2vw,26px);font-weight:900;margin:88px 0 10px}.svc p{font-size:14px;opacity:.75}
.sec{margin-top:12px;background:var(--tile);border-radius:28px;padding:44px}
.sec h2{font-size:clamp(26px,2.8vw,40px);font-weight:900;letter-spacing:-.02em}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-head p{color:var(--mut);font-size:14.5px}.sec-head a{font-weight:700;color:var(--ink)}
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.adv li{background:var(--bg);border-radius:20px;padding:26px}
.adv h3{font-size:18px;margin-bottom:10px}.adv p{font-size:14px;color:#3d3d3a}
.adv .src{font-size:12.5px;color:var(--mut);margin-top:10px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.post{padding:18px 0;border-top:1px solid var(--line)}
.post-meta{font-size:12.5px;color:var(--mut);display:flex;gap:10px;align-items:center}
.post-meta span{background:var(--tag);color:var(--ink);padding:0 10px;border-radius:999px;font-weight:600}
.post h3{font-size:16.5px;margin-top:6px}.post a{text-decoration:none}.post a:hover{text-decoration:underline}
.hint{font-size:12px;color:var(--mut);margin-top:12px}
details:not(.menu){border-top:1px solid var(--line);padding:16px 0}
details:not(.menu)>summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}summary{list-style:none}
details:not(.menu)>summary::after{content:"+";flex:none;width:28px;height:28px;border-radius:50%;background:var(--bg);display:grid;place-items:center;line-height:1}
details:not(.menu)[open]>summary::after{content:"−";background:var(--tag)}
details:not(.menu) p{margin-top:10px;font-size:14px;color:#3d3d3a}
.cta{margin-top:12px;background:var(--t-cta);border-radius:28px;padding:56px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{font-size:clamp(32px,4.4vw,60px);font-weight:900;letter-spacing:-.03em;line-height:1.1}.cta p{margin-top:10px;max-width:520px}
.foot{margin-bottom:24px;padding:36px 44px;background:var(--foot);color:#d6d6de;border-radius:28px;font-size:13.5px;display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.foot b{color:#fff;font-size:16px}.foot p{margin-top:6px}.foot .legal{grid-column:1/-1;font-size:12px;opacity:.6}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (max-width:1000px){
  .top{flex-wrap:wrap;row-gap:4px;border-radius:28px}.top .pill{margin-left:auto}
  .top .d-nav{order:3;width:100%;margin:0;gap:4px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.top .d-nav::-webkit-scrollbar{display:none}
  .top .d-nav a{flex:none;display:inline-flex;align-items:center;min-height:40px;padding:0 12px;border-radius:999px;background:var(--bg)}
  .bento{grid-template-columns:1fr 1fr}
  .hero,.rate,.speed{grid-column:1/-1;grid-row:auto}.hero{min-height:0;padding:32px}
  .tsinghua,.clients,.giants,.zero{grid-column:auto}
  .adv,.svc-row,.split,.foot{grid-template-columns:1fr}
  .brand{min-height:44px}details:not(.menu)>summary{min-height:44px;align-items:center}.hero .link,.sec-head a{display:inline-flex;align-items:center;min-height:40px}.sec{padding:28px}.cta{padding:40px 28px}
}
@media (max-width:1000px) and (min-width:561px){.svc-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.bento{grid-template-columns:1fr}.tsinghua,.clients,.giants,.zero{grid-column:1/-1}.hero::before{font-size:120px}}

/* ===== D7 配色 ===== */
:root{--bg:#f1f6fa;--ink:#0b1b2e;--mut:#51637a;--line:#dde7f0;
  --hero:#3ee6c9;--on-hero:#07111f;--hero-mut:#0a1f33;--kicker:#07111f;--stroke:rgba(7,17,31,.14);
  --accent:#07111f;--on-accent:#fff;
  --t-rate:#e2f7f3;--t-speed:#fff;--t-tsinghua:#fff;--t-clients:#fff;--t-giants:#fff;--t-zero:#fff;
  --bar:#4f8cff;--bar2:#3ee6c9;--tag:#d5f5ef;--t-cta:#3ee6c9;--foot:#07111f}
.hero,.cta,.svc:hover{background:linear-gradient(120deg,#3ee6c9,#4f8cff)}
.rate .big,.tsinghua .big,.clients .big,.zero .big,.giants .big{background:linear-gradient(90deg,#1bb89e,#3b73f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.bars li::after{background:linear-gradient(90deg,#3ee6c9,#4f8cff)!important;box-shadow:none!important}
.donut{background:conic-gradient(#3ee6c9,#4f8cff 23%,var(--line) 0)}
.hero .pill{background:#07111f;color:#fff}

/* ===== 内页通用 ===== */
.top .d-nav a[aria-current="page"]{color:var(--ink);font-weight:700}
.crumbs{margin:18px 8px 0;font-size:13px;color:var(--mut)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.5}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.phead{margin-top:12px;border-radius:28px;padding:56px 48px;background:linear-gradient(120deg,#3ee6c9,#4f8cff);color:#07111f;position:relative;overflow:hidden}
.phead::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(7,17,31,.15);box-shadow:0 0 0 40px rgba(255,255,255,.08),0 0 0 80px rgba(255,255,255,.06)}
.phead .kicker{color:#07111f;opacity:.8}
.phead h1{margin-top:12px;padding-top:0;font-size:clamp(30px,4vw,52px)}
.phead .lede{color:#0a1f33;max-width:760px;font-size:16px;margin-top:16px;position:relative}
.phead .acts{position:relative}.phead .pill{background:#07111f;color:#fff}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:12px}
.kpis .t{animation:none}
.prose{max-width:820px}
.prose h2{font-size:clamp(22px,2.4vw,30px);font-weight:900;margin:40px 0 14px;letter-spacing:-.01em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:26px 0 8px}
.prose p,.prose li{font-size:15.5px;color:#26324a}
.prose p+p{margin-top:12px}
.tbl+p{margin-top:18px}
.prose ul,.prose ol{margin:10px 0 0 1.2em;list-style:disc}.prose ol{list-style:decimal}
.prose li+li{margin-top:6px}
.prose strong{color:var(--ink)}
.prose a{color:#1f5fe0;text-underline-offset:3px}
.note-box{margin-top:14px;padding:14px 18px;border-radius:16px;background:#e2f7f3;font-size:13.5px!important;color:#12304a!important}
.tbl{width:100%;overflow-x:auto;margin-top:14px;border-radius:18px;border:1px solid var(--line)}
.tbl table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.tbl th,.tbl td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{background:#f1f6fa;font-weight:700;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:600;white-space:nowrap}
.sec .prose+.prose{margin-top:28px}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;margin-top:12px}
.two-col .sec{margin-top:0;min-width:0}
.faq-group+.faq-group{margin-top:36px}
.faq-group h2{font-size:22px;font-weight:900;margin-bottom:8px}
details .more-link{display:inline-flex;align-items:center;min-height:36px;margin-top:4px;font-size:13.5px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;position:relative}
.toc a{background:rgba(255,255,255,.55);padding:6px 14px;border-radius:999px;font-size:13.5px;text-decoration:none;color:#07111f}
.toc a:hover{background:#fff}
.updated{font-size:12.5px;color:var(--mut);margin-top:24px}

/* 媒体中心 */
.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.cat-tabs a{padding:8px 16px;border-radius:999px;background:var(--bg);text-decoration:none;font-size:14px;font-weight:600}
.cat-tabs a[aria-current="page"]{background:linear-gradient(120deg,#3ee6c9,#4f8cff);color:#07111f}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.news-card{background:var(--bg);border-radius:20px;padding:24px;display:flex;flex-direction:column;text-decoration:none;transition:transform .2s}
.news-card:hover{transform:translateY(-3px)}
.news-card h3{font-size:17px;margin-top:10px;line-height:1.5}
.news-card p{font-size:13.5px;color:var(--mut);margin-top:8px}
.empty{padding:40px;text-align:center;color:var(--mut);background:var(--bg);border-radius:20px}
.pager{display:flex;gap:12px;justify-content:center;margin-top:24px}
.pager a{padding:8px 16px;border-radius:999px;background:var(--bg);text-decoration:none}
.article{max-width:780px;margin-inline:auto}
.article .meta{font-size:13px;color:var(--mut);margin-top:14px;position:relative}
.article .summary{margin-top:0;padding:18px 20px;border-radius:18px;background:#e2f7f3;font-size:15px}
.article .body{margin-top:24px}
.article .src-list{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--mut)}

/* 表单 */
.form{display:grid;gap:16px;max-width:640px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.form input,.form select,.form textarea{font:inherit;font-size:15px;font-weight:400;padding:12px 14px;border-radius:14px;border:1.5px solid var(--line);background:#fff;color:var(--ink);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:#4f8cff;box-shadow:0 0 0 3px rgba(79,140,255,.2)}
.form textarea{min-height:140px;resize:vertical}
.form .req{color:#c0392b}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .agree{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:13px;color:var(--mut)}
.form .agree input{flex:none;width:20px;height:20px;margin-top:2px}
.form button{border:0;cursor:pointer;font:inherit;justify-self:start}
.form-msg{padding:14px 18px;border-radius:14px;background:#e2f7f3;font-size:14px}
.form-msg.err{background:#fde8e6;color:#8a1f13}
.map-addr{font-size:15px}

@media (max-width:1000px){
  .phead{padding:36px 26px}
  .two-col,.news-list,.form .row{grid-template-columns:minmax(0,1fr)}
}

.big.grad{background:linear-gradient(90deg,#1bb89e,#3b73f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpis .t{padding:26px}
.anchor{scroll-margin-top:20px}

/* 手机端：表格改为上下卡片，不用左右滑动 */
@media (max-width:560px){
  .tbl{border:0;overflow:visible}
  .tbl table{min-width:0}.tbl thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .tbl tr{display:block;border:1px solid var(--line);border-radius:16px;padding:6px 0;margin-bottom:10px;background:#fff}
  .tbl td{display:grid;grid-template-columns:7.5em minmax(0,1fr);gap:10px;padding:8px 16px;border:0;white-space:normal!important}
  .tbl td::before{content:attr(data-label);font-weight:600;color:var(--mut);font-size:13px}
  .tbl td:first-child{font-size:15.5px;color:var(--ink)}
}
@media (max-width:400px){.top{gap:12px;padding-left:14px}.top .pill{padding:0 14px;font-size:14px}.brand img{height:26px}}
.post h3 a{display:inline-block;padding:4px 0}
.tbl{position:relative}


/* ===== 手机端 B 深色沉浸（2026-10-01 定稿，数值对齐 drafts/mobile/b.html）：同一页面同一内容，仅排版不同 ===== */
.m-only,.brand img.m-only{display:none}h1 em{font-style:normal}.kpi-strip{display:contents}.lede .m-only+p{margin-top:0}
@media (max-width:640px){
  .m-only{display:revert}.d-only{display:none!important}
  body{background:#f3f6f8;color:#0a1f33;line-height:1.65;padding-bottom:calc(78px + env(safe-area-inset-bottom))}
  body:has(.menu[open]){overflow:hidden}
  .top,main,.foot{width:auto;margin:0}
  main{padding:0 20px}
  /* 顶栏：浮在深色头图上，与草稿 .bar 一致 */
  .top{position:absolute;top:0;left:0;right:0;z-index:5;height:60px;padding:0 20px;background:none;border-radius:0;color:#fff;justify-content:space-between;flex-wrap:nowrap}
  .top .d-nav,.top>.pill,.brand img:not(.m-only){display:none}
  .brand{min-height:44px}.brand img.m-only{display:block;height:34px;width:auto}
  .menu.m-only{display:block}
  .menu summary{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.1);cursor:pointer}
  .menu summary i,.menu summary i::before,.menu summary i::after{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
  .menu summary i::before,.menu summary i::after{content:"";position:absolute;left:0}.menu summary i::before{top:-6px}.menu summary i::after{top:6px}
  .menu[open] summary{position:fixed;right:20px;top:8px;z-index:10}
  .menu[open] summary i{background:transparent}.menu[open] summary i::before{top:0;transform:rotate(45deg)}.menu[open] summary i::after{top:0;transform:rotate(-45deg)}
  .menu nav{position:fixed;inset:0;z-index:9;background:#07111f;padding:80px 24px;display:grid;align-content:start;overflow-y:auto}
  .menu nav a{color:#fff;text-decoration:none;font-size:26px;font-weight:900;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .menu nav a[aria-current="page"]{color:#3ee6c9}
  /* 底部快捷栏 */
  .dock.m-only{display:flex;position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:6;gap:6px;padding:6px;border-radius:999px;background:#07111f;box-shadow:0 10px 30px rgba(7,17,31,.3)}
  .dock a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:999px;font-weight:800;font-size:15px;text-decoration:none}
  .dock .tel{flex:0 0 36%;color:#fff}.dock .go{flex:1;color:#07111f;background:linear-gradient(120deg,#3ee6c9,#4f8cff)}
  main>.cta{display:none}
  .t{animation:none}
  /* 首页：顺序与草稿一致 */
  main.home{display:flex;flex-direction:column}
  .home .bento{display:contents}
  .home .hero{order:1}.home .rate{order:2}.home .kpi-strip{order:3}.h-svc{order:4}.home .svc-row{order:5}
  .h-speed{order:6}.home .speed{order:7}.h-trust{order:8}.m-trust{order:9}.home .sec{order:10}.home .split{order:11}
  /* 深色首屏 = hero + rate */
  .hero{display:block;min-height:0;margin:0 -20px;padding:60px 20px 0;border-radius:0;background:#07111f!important;color:#fff;overflow:hidden}
  .hero::before{content:"";position:absolute;width:320px;height:320px;right:-120px;top:-80px;border-radius:50%;background:radial-gradient(circle,rgba(79,140,255,.45),transparent 70%);-webkit-text-stroke:0}
  .hero>*{position:relative}
  .kicker,.phead .kicker{display:inline-block;font-size:12px;color:#9fb3c8;opacity:1;letter-spacing:0;border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:4px 12px;margin-top:10px}
  .hero h1{font-size:28px;line-height:1.28;font-weight:900;letter-spacing:0;margin:16px 0 12px;padding:0;color:#fff}
  .hero h1 em{background:linear-gradient(90deg,#3ee6c9,#4f8cff);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero .lede{margin:0;font-size:14px;color:#b9c6d2}.hero .lede p:not(.m-only){display:none}
  .hero .acts,.hero .badges{display:none}
  .home .rate{margin:0 -20px;padding:24px 20px 28px;border-radius:0 0 32px 32px;background:#07111f;color:#fff;overflow:hidden;
    display:grid;grid-template-columns:auto 1fr;align-items:end;column-gap:14px}
  .home .rate::after{content:"";position:absolute;width:260px;height:260px;left:-100px;bottom:-120px;border-radius:50%;background:radial-gradient(circle,rgba(62,230,201,.35),transparent 70%);pointer-events:none}
  .home .rate>*{position:relative;z-index:1}
  .home .rate .big{grid-column:1;grid-row:1;margin:0;font:900 76px/.9 "Helvetica Neue","SF Pro Display",sans-serif;letter-spacing:-.05em;background:linear-gradient(90deg,#3ee6c9,#4f8cff);-webkit-background-clip:text;background-clip:text;color:transparent}
  .home .rate .big span{font-size:30px}
  .home .rate .lbl{grid-column:2;grid-row:1;font-size:13px;font-weight:400;color:#9fb3c8;opacity:1;line-height:1.45;padding-bottom:6px}
  .home .rate .note{display:none}
  .m-cta.m-only{grid-column:1/-1;display:flex;align-items:center;justify-content:center;min-height:50px;margin-top:22px;border-radius:999px;font-weight:800;font-size:16px;color:#07111f;text-decoration:none;background:linear-gradient(120deg,#3ee6c9,#4f8cff)}
  /* 数字横滑 */
  .kpi-strip{display:flex;gap:10px;overflow-x:auto;margin:0 -20px;padding:18px 20px 4px;scroll-snap-type:x mandatory;scroll-padding:0 20px;scrollbar-width:none}.kpi-strip::-webkit-scrollbar{display:none}
  .kpi-strip .t{flex:none;width:42%;scroll-snap-align:start;background:#fff;border-radius:22px;padding:18px 16px;box-shadow:0 1px 0 #e3e8ec;display:block}
  .kpi-strip .tsinghua,.kpi-strip .donut{display:none}
  .kpi-strip .big{font:900 30px/1 "Helvetica Neue","SF Pro Display",sans-serif;letter-spacing:-.04em;margin:0}.kpi-strip .big span{font-size:16px}
  .kpi-strip .lbl{font-size:12px;font-weight:400;color:#55606b;opacity:1;margin-top:8px;line-height:1.45}
  /* 小标题 */
  .m-h.m-only{display:block;margin:32px 0 14px}
  .m-h p,.home .sec-head::before{font-size:12px;font-weight:800;letter-spacing:.12em;color:#3b73f0}
  .m-h b{display:block;font-size:22px;font-weight:900;margin-top:2px;line-height:1.4}
  /* 服务列表（首页 + 服务范围页） */
  .svc-row{display:block;margin:0}
  .svc{display:grid;grid-template-columns:48px minmax(0,1fr) auto;column-gap:14px;align-items:center;min-height:0;background:#fff;border-radius:20px;padding:16px;margin-bottom:10px}
  .svc:hover{background:#fff;color:inherit}
  .svc::before{content:"专";grid-row:1/3;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-weight:900;font-size:15px;color:#07111f;background:linear-gradient(120deg,#3ee6c9,#4f8cff)}
  .svc:nth-child(2)::before{content:"商"}.svc:nth-child(3)::before{content:"项"}.svc:nth-child(4)::before{content:"涉"}
  .svc::after{content:"›";grid-column:3;grid-row:1/3;font-size:24px;color:#9aa6b1}
  .svc .no{display:none}
  .svc h3{grid-column:2;margin:0;font-size:16px;font-weight:900;line-height:1.5}
  .svc p{grid-column:2;font-size:12.5px;color:#55606b;opacity:1;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  /* 时间对比 */
  .home .speed{background:#fff;border-radius:24px;padding:20px}
  .home .speed .lbl{display:none}
  .speed .bars{display:block;margin:0}
  .speed .bars li{grid-template-columns:1fr auto;gap:4px 10px;margin-bottom:14px}.speed .bars li:last-child{margin-bottom:0}
  .speed .bars span{grid-column:1;grid-row:1;font-size:13px;color:#55606b}
  .speed .bars b{grid-column:2;grid-row:1;font-size:15px}
  .speed .bars li::after{grid-column:1/-1;grid-row:2;height:10px;border-radius:5px;width:max(var(--w),10px)}
  .speed .note{font-size:12px;color:#7a858f;margin-top:14px}
  /* 资质 2×2 */
  .m-trust.m-only{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .m-trust li{background:#fff;border-radius:20px;padding:16px}
  .m-trust b{display:block;font-size:18px;font-weight:900;background:linear-gradient(90deg,#1bb89e,#3b73f0);-webkit-background-clip:text;background-clip:text;color:transparent}
  .m-trust span{font-size:12.5px;color:#55606b}
  /* 首页其余板块：去掉白底大框，改成草稿式小卡片 */
  .home .sec{margin:32px 0 0;padding:0;background:none;border-radius:0}
  .home .sec-head{display:block;margin-bottom:14px}
  .home .sec-head::before{content:attr(data-en);display:block}
  .home .sec h2{font-size:22px;font-weight:900;margin-top:2px;letter-spacing:0}
  .home .sec-head p{font-size:13px;color:#55606b;margin-top:2px}.home .sec-head a{color:#3b73f0}
  .adv{display:flex;gap:10px;overflow-x:auto;margin:0 -20px;padding:0 20px 4px;scroll-snap-type:x mandatory;scroll-padding:0 20px;scrollbar-width:none}.adv::-webkit-scrollbar{display:none}
  .adv li{flex:none;width:82%;scroll-snap-align:start;background:#fff;border-radius:20px;padding:18px}
  .adv h3{font-size:15.5px;line-height:1.45}.adv p{font-size:13px;color:#55606b}
  .home .split{display:flex;flex-direction:column;gap:0}.home .split>.sec:last-child{order:-1}
  .post{background:#fff;border:0;border-radius:18px;padding:14px 18px;margin-bottom:8px}
  details:not(.menu){background:#fff;border:0;border-radius:18px;margin-bottom:8px;padding:0 18px}
  details:not(.menu)>summary{min-height:56px;align-items:center;font-weight:800;font-size:14.5px}
  details:not(.menu)>summary::after{content:"+";width:auto;height:auto;background:none;color:#3b73f0;font-size:20px}
  details:not(.menu)[open]>summary::after{content:"–";background:none}
  details:not(.menu) p{margin:0;font-size:13.5px;color:#55606b;padding-bottom:16px}
  /* 内页：深色页头 */
  .crumbs{margin:0;padding:60px 20px 0;background:#07111f;color:#8193a8;font-size:12px}
  .crumbs a{color:#b9c6d2}
  .phead{margin:0 -20px;padding:4px 20px 28px;border-radius:0 0 32px 32px;background:#07111f;color:#fff}
  .phead::before{content:"";position:absolute;width:320px;height:320px;right:-120px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(79,140,255,.45),transparent 70%)}
  .phead::after{width:260px;height:260px;left:-100px;right:auto;top:auto;bottom:-120px;border:0;box-shadow:none;background:radial-gradient(circle,rgba(62,230,201,.35),transparent 70%)}
  .phead>*{position:relative;z-index:1}
  .phead h1{font-size:26px;line-height:1.3;margin:16px 0 12px;color:#fff;letter-spacing:0}
  .phead .lede{font-size:14px;color:#b9c6d2;margin:0}
  .phead .acts{margin-top:22px}.phead .pill{width:100%;justify-content:center;min-height:50px;background:linear-gradient(120deg,#3ee6c9,#4f8cff);color:#07111f;font-size:16px;font-weight:800}
  .toc{flex-wrap:nowrap;overflow-x:auto;margin:20px -20px 0;padding:0 20px;scrollbar-width:none}.toc::-webkit-scrollbar{display:none}
  .toc a{flex:none;display:inline-flex;align-items:center;min-height:38px;background:rgba(255,255,255,.1);color:#e6eef5}
  .article .meta{color:#9fb3c8}
  .sec{margin-top:16px;border-radius:22px;padding:22px 18px}
  .sec h2,.prose h2{font-size:20px}
  .kpis{grid-template-columns:1fr 1fr;gap:10px}.kpis .t{padding:16px;border-radius:20px}.kpis .big{font-size:34px}
  /* 页脚 */
  .foot{margin-top:32px;border-radius:0;padding:28px 20px;grid-template-columns:1fr;gap:4px;color:#9fb3c8;font-size:12.5px}
  .foot-logo{height:44px;margin-bottom:12px}
}