:root{
  --ink:#24333A; --teal:#2F5D62; --teal-deep:#22464B; --teal-soft:#E9F0F1;
  --paper:#F7F9FA; --card:#FFFFFF; --line:#DCE4E7; --line-soft:#EDF1F2;
  --amber:#C07A3E; --amber-soft:#F6E9DC; --muted:#6B7C84; --warn:#A03D2E;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:44px 0}
.nav{position:sticky;top:0;z-index:60;background:rgba(247,249,250,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:70px;max-width:1280px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo .mark{position:relative;width:52px;height:52px;display:grid;place-items:center}
.logo .mark .ring{position:absolute;inset:0;border-radius:14px;border:1.5px solid var(--teal);background:conic-gradient(from 0deg,transparent 0 82%,var(--amber) 82% 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;padding:2px;animation:spin 9s linear infinite}
.logo .mark b{font-family:"Noto Serif SC",serif;font-size:21px;color:var(--teal-deep);font-weight:900}
.logo .name{display:flex;flex-direction:column;line-height:1.25}
.logo .name b{font-family:"Noto Serif SC",serif;font-size:20px;color:var(--teal-deep);letter-spacing:2px}
.logo .name span{font-size:11px;color:var(--muted);letter-spacing:1.5px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--ink);padding:8px 13px;border-radius:8px;transition:.2s}
.nav-links a:hover{background:var(--teal-soft);color:var(--teal-deep)}
.nav-links a.on{color:var(--teal-deep);font-weight:700;box-shadow:inset 0 -2px 0 var(--amber)}
.nav-hot{margin-left:6px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--teal-deep);font-weight:700}
.nav-burger{display:none;margin-left:8px;width:44px;height:44px;flex:none;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--teal-deep);align-items:center;justify-content:center;cursor:pointer;transition:.2s}
.nav-burger:hover{background:var(--teal-soft);border-color:var(--teal)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes spin{to{transform:rotate(360deg)}}
.nav-item{position:relative}
.nav-links>.nav-item>a{display:inline-flex;align-items:center;gap:4px}
.nav-item .caret{font-size:9px;opacity:.65;transition:transform .2s}
.nav-item:hover .caret{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(35,74,83,.16);padding:10px;min-width:252px;opacity:0;visibility:hidden;transition:.22s;z-index:70}
.drop::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.drop.cols2{min-width:452px;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);padding:7px 10px;border-radius:8px;white-space:nowrap}
.drop a:hover{background:var(--teal-soft);color:var(--teal-deep)}
.drop a i{font-style:normal;font-size:10px;color:var(--amber);font-weight:700;flex:none}
.hot-num{position:relative;display:inline-flex;align-items:center;gap:8px;padding:7px 16px 7px 13px;border:1px solid rgba(192,122,62,.45);border-radius:999px;background:linear-gradient(120deg,rgba(246,233,220,.9),rgba(255,255,255,.95));font-weight:800;letter-spacing:.5px;overflow:hidden;font-size:14px}
.hot-num::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(192,122,62,.30) 50%,transparent 70%);background-size:250% 100%;animation:shine 2.6s linear infinite}
.hot-num .ring{position:absolute;inset:-3px;border-radius:999px;border:1px solid rgba(192,122,62,.55);animation:ripple 2.2s ease-out infinite;pointer-events:none}
.hot-num .ring.r2{animation-delay:1.1s}
@keyframes shine{0%{background-position:0% 0}100%{background-position:250% 0}}
@keyframes ripple{0%{transform:scale(.92);opacity:.95}75%{transform:scale(1.1);opacity:0}100%{opacity:0}}
/* crumb */
.crumb{background:#fff;border-bottom:1px solid var(--line-soft);font-size:13px;color:var(--muted);padding:10px 0}
.crumb .wrap{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a:hover{color:var(--teal-deep)}
.crumb i{font-style:normal;color:var(--line)}
/* marquee */
.marquee{background:var(--teal-deep);color:rgba(255,255,255,.85);font-size:12.5px;overflow:hidden;padding:7px 0;letter-spacing:.5px}
.marquee .track{display:inline-flex;white-space:nowrap;animation:marq 26s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes marq{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.marquee .track span{display:inline-flex;align-items:center;gap:18px;padding-right:18px}
.marquee .track b{color:var(--amber);font-weight:700}
/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(150deg,#EFF4F4 0%,#E4ECEE 60%,#DCE7E8 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;padding:64px 0 48px;align-items:center;position:relative;z-index:2}
.hero .tagline{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(47,93,98,.4);background:rgba(255,255,255,.6);color:var(--teal-deep);border-radius:999px;padding:4px 16px;font-size:13px;letter-spacing:2px}
.hero h1{font-family:"Noto Serif SC",serif;font-size:40px;font-weight:900;line-height:1.3;margin:18px 0 14px;color:var(--teal-deep)}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p.sub{font-size:16px;color:#55686F;max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:12px 26px;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:.2s}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-deep);transform:translateY(-2px)}
.btn-line{border:1.5px solid var(--teal);color:var(--teal-deep);background:transparent}
.btn-line:hover{background:var(--teal-soft);transform:translateY(-2px)}
.hero .fig{position:relative}
.hero .fig .imgwrap{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px rgba(35,74,83,.14);background:#fff}
.hero .fig img{width:100%;height:330px;object-fit:cover;object-position:center}
.hero .fig .badge{position:absolute;left:-14px;bottom:-16px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 10px 24px rgba(35,74,83,.12)}
.hero .fig .badge b{font-family:"Noto Serif SC",serif;font-size:24px;color:var(--amber);line-height:1}
.hero .fig .badge span{font-size:12.5px;color:var(--muted);line-height:1.35}
.sec-band{position:relative;height:3px;width:100%;background:var(--line-soft);border-radius:99px;overflow:hidden;margin-top:16px}
.sec-band::after{content:"";position:absolute;top:0;left:-35%;width:35%;height:100%;background:linear-gradient(90deg,transparent,rgba(47,93,98,.75),transparent);animation:flowrun 2.6s linear infinite;border-radius:99px}
@keyframes flowrun{0%{left:-35%}100%{left:100%}}
/* sec head */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-head h2{font-family:"Noto Serif SC",serif;font-size:27px;font-weight:900;color:var(--teal-deep);line-height:1.35}
.sec-head h2 span{display:block;font-size:13px;color:var(--amber);letter-spacing:3px;font-weight:600;margin-bottom:8px}
.sec-head p{color:var(--muted);font-size:14px;max-width:480px}
/* stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 20px;text-align:center}
.stat b{font-family:"Noto Serif SC",serif;font-size:34px;font-weight:900;color:var(--teal-deep);display:block;line-height:1.1}
.stat b i{font-style:normal;color:var(--amber)}
.stat span{font-size:13px;color:var(--muted);margin-top:6px;display:block}
/* svc cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-grid.cols4{grid-template-columns:repeat(4,1fr)}
.svc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.25s;position:relative;display:block}
.svc:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.svc .ic{width:46px;height:46px;border-radius:11px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal-deep);margin-bottom:12px}
.svc h3{font-family:"Noto Serif SC",serif;font-size:17px;color:var(--teal-deep)}
.svc p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}
.svc .go{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--teal-deep);font-weight:700;margin-top:12px}
/* material board */
.matboard{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 14px 36px rgba(35,74,83,.07)}
.mat-in{display:grid;grid-template-columns:.9fr 1.4fr;gap:0}
.mat-left{background:var(--teal-soft);padding:30px 28px}
.mat-left h3{font-family:"Noto Serif SC",serif;font-size:19px;color:var(--teal-deep);margin-bottom:16px}
.mat-left ul{list-style:none}
.mat-left li{display:flex;gap:10px;font-size:13.5px;color:#3f565d;line-height:1.7;margin-bottom:12px}
.mat-left li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--amber);margin-top:9px}
.mat-right{padding:30px 28px}
.mat-right h3{font-family:"Noto Serif SC",serif;font-size:19px;color:var(--teal-deep);margin-bottom:6px}
.mat-right .note{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.mrow{display:grid;grid-template-columns:34px 1.1fr 1.6fr auto;gap:12px;align-items:center;padding:12px 10px;border-radius:10px;border-bottom:1px solid var(--line-soft)}
.mrow:last-child{border-bottom:none}
.mrow:hover{background:var(--paper)}
.mrow .no{width:30px;height:30px;border-radius:9px;background:var(--amber-soft);color:#8A5A2B;font-family:"Noto Serif SC",serif;font-weight:900;font-size:13px;display:grid;place-items:center}
.mrow .nm{font-size:14px;font-weight:700;color:var(--ink)}
.mrow .ds{font-size:12.5px;color:var(--muted);line-height:1.55}
.mrow .tg{font-size:11px;background:var(--teal-soft);color:var(--teal-deep);border-radius:999px;padding:2px 10px;white-space:nowrap}
/* flow */
.flow{position:relative;overflow:hidden;background:var(--teal-deep)}
.flow::before{content:"";position:absolute;left:-140px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(192,122,62,.22),transparent 70%)}
.flow .sec-head h2{color:#fff}
.flow .sec-head p{color:rgba(255,255,255,.72)}
.flow-in{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px}
.flow-line{position:absolute;top:34px;left:9%;right:9%;height:2px;background:linear-gradient(90deg,rgba(192,122,62,0),rgba(192,122,62,.9),rgba(192,122,62,0));overflow:hidden}
.flow-line::after{content:"";position:absolute;top:0;left:-30%;width:30%;height:100%;background:linear-gradient(90deg,transparent,#F6E9DC,transparent);animation:flowrun 2.8s linear infinite}
.flow-step{position:relative;text-align:center;padding:0 10px}
.flow-step .dot{width:68px;height:68px;margin:0 auto;border-radius:50%;background:#fff;border:3px solid var(--amber);display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:21px;font-weight:900;color:var(--teal-deep);position:relative;z-index:2;animation:breathe 3.4s ease-in-out infinite}
.flow-step .dot::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1.5px solid rgba(192,122,62,.5);animation:ripple 2.8s ease-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.flow-step h4{color:#fff;font-size:15px;font-family:"Noto Serif SC",serif;margin-top:16px}
.flow-step p{color:rgba(255,255,255,.68);font-size:12px;line-height:1.65;margin-top:4px}
/* faq */
.faq{max-width:880px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item button{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:16px 20px;font-size:15px;font-weight:700;color:var(--teal-deep);display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:inherit}
.faq-item button .pm{flex:none;width:24px;height:24px;border-radius:50%;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center;font-size:15px;transition:.25s}
.faq-item .ans{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item .ans p{padding:0 20px 16px;font-size:13.5px;color:var(--muted);line-height:1.8}
.faq-item.open .pm{transform:rotate(45deg);background:var(--amber);color:#fff}
/* cta */
.cta{position:relative;overflow:hidden;border-radius:20px;padding:46px 40px;text-align:center;color:#fff;background:linear-gradient(120deg,#2F5D62,#4A7C82,#2F5D62);background-size:240% 100%;animation:gradflow 9s ease-in-out infinite}
@keyframes gradflow{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.cta h2{font-family:"Noto Serif SC",serif;font-size:28px;font-weight:900;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.85);font-size:14.5px;margin-bottom:20px}
.cta .hotline{font-family:"Noto Serif SC",serif;font-size:30px;font-weight:900;letter-spacing:1px}
.cta .btn{background:#fff;color:var(--teal-deep)}
/* fab */
.fab{position:fixed;right:22px;bottom:26px;z-index:80;width:58px;height:58px;border-radius:50%;background:var(--amber);color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(192,122,62,.45);font-size:13px;font-weight:700;line-height:1.15;text-align:center}
.fab .ring{position:absolute;inset:-4px;border-radius:50%;border:1.5px solid rgba(192,122,62,.6);animation:ripple 2.4s ease-out infinite;pointer-events:none}
.fab .ring.r2{animation-delay:1.2s}
/* pool A particles */
.pts{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.pt{position:absolute;bottom:-8px;width:6px;height:6px;border-radius:50%;background:rgba(47,93,98,.32);animation:drift 7s linear infinite}
@keyframes drift{0%{transform:translateY(0);opacity:0}12%{opacity:.8}88%{opacity:.25}100%{transform:translateY(-360px);opacity:0}}
/* pool B float cards */
.floaty{animation:floaty 5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
/* pool C ring dash */
.ring-dash{position:absolute;inset:-9px;border:1.5px dashed rgba(47,93,98,.5);border-radius:50%;animation:spin 14s linear infinite}
/* footer */
.footer{background:var(--paper);border-top:1px solid var(--line);padding:44px 0 30px}
.footer .top{border-top:1px solid var(--teal);padding-top:10px;margin-bottom:22px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:26px}
.footer h4{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--teal-deep);margin-bottom:12px}
.footer a{display:block;font-size:13px;color:var(--muted);padding:3px 0;transition:.15s}
.footer a:hover{color:var(--teal-deep)}
.footer .brand p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.8}
.footer .hot{font-size:24px;font-family:"Noto Serif SC",serif;color:var(--teal-deep);font-weight:900;letter-spacing:1px}
.footer .hot span{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0}
.footer .addr{font-size:13px;color:var(--muted);line-height:1.9;margin-top:8px}
.footer .qr{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin-top:12px}
.footer .qr .qbox{width:84px;height:84px;flex:none;border:1px dashed var(--line);border-radius:8px;display:grid;place-items:center;color:var(--muted);font-size:10px;text-align:center;line-height:1.5}
.footer .qr p{font-size:12px;color:var(--muted);line-height:1.7}
.friends{border-top:1px solid var(--line-soft);margin-top:22px;padding-top:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.friends b{font-weight:700;color:var(--muted)}
.friends a{color:var(--muted);padding:2px 11px;border:1px solid var(--line);border-radius:999px;font-size:12px}
.copy{border-top:1px solid var(--line-soft);margin-top:28px;padding-top:16px;text-align:center;font-size:12.5px;color:var(--muted)}
/* kb cards */
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kb{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;display:block}
.kb:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.kb .cover{height:0;padding-top:56.25%;position:relative;overflow:hidden}
.kb .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s}
.kb:hover .cover img{transform:scale(1.07)}
.kb .cover .badge-col{position:absolute;left:10px;top:10px;background:rgba(34,70,75,.82);color:#fff;font-size:11.5px;padding:2px 10px;border-radius:999px;letter-spacing:1px}
.kb .body{padding:14px 18px 16px}
.kb .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:8px}
.kb .meta .col{color:var(--teal-deep);font-weight:700}
.kb .meta .views{display:inline-flex;align-items:center;gap:4px;margin-left:auto}
.kb h3{font-size:14.5px;color:var(--ink);line-height:1.6;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kb .desc{font-size:13px;color:var(--muted);line-height:1.7;margin:8px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kb .more{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--teal-deep);font-weight:700}
/* pager */
.pager{display:flex;justify-content:center;gap:10px;margin-top:34px}
.pager button{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-size:14px;transition:.2s;font-family:inherit}
.pager button:hover{border-color:var(--teal);color:var(--teal-deep)}
.pager button.on{background:var(--teal);color:#fff;border-color:var(--teal)}
/* article detail */
.doc{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:44px 48px;max-width:900px;margin:0 auto}
.art-body h1,.doc h1{font-family:"Noto Serif SC",serif;font-size:28px;color:var(--teal-deep);line-height:1.4;margin-bottom:14px}
.art-body .meta,.doc .meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line-soft);margin-bottom:22px;flex-wrap:wrap}
.art-body .meta,.doc .meta .col{background:var(--teal-soft);color:var(--teal-deep);font-weight:700;padding:2px 12px;border-radius:999px;font-size:12px}
.art-body h2,.doc h2{font-family:"Noto Serif SC",serif;font-size:20px;color:var(--teal-deep);margin:26px 0 12px}
.art-body h3,.doc h3{font-size:16px;color:var(--teal-deep);margin:18px 0 8px}
.art-body p,.doc p{font-size:14.5px;color:#3f5057;margin-bottom:12px;line-height:1.9}
.art-body table,.doc table{border-collapse:collapse;width:100%;table-layout:auto;margin:16px 0;font-size:14px;border:1px solid var(--teal)}
.art-body table th,.art-body table td,.doc table th,.doc table td{border:1px solid var(--teal);padding:10px 12px;text-align:left;vertical-align:top;line-height:1.7}
.art-body table th,.doc table th{background:var(--teal-soft);color:var(--teal-deep);font-weight:700;white-space:nowrap}
.art-body table tr:nth-child(even) td,.doc table tr:nth-child(even) td{background:#FBFCFD}
.art-body table tr:hover td,.doc table tr:hover td{background:var(--teal-soft)}
.art-body th,.doc th,.art-body td,.doc td{border:1px solid var(--line);padding:10px 12px;text-align:left;word-wrap:break-word}
.art-body th,.doc th{background:var(--teal-soft);color:var(--teal-deep)}
.art-body .back,.doc .back{display:inline-flex;align-items:center;gap:6px;margin-top:26px;font-weight:700;color:var(--teal-deep)}
/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* responsive */
@media (max-width:1024px){.card-grid:has(.card:nth-child(4):last-child){grid-template-columns:repeat(4,1fr)}.card-grid:has(.card:nth-child(7):last-child){grid-template-columns:repeat(4,1fr)}.scene:has(.reveal:nth-child(4):last-child),.scene:has(div:nth-child(4):last-child){grid-template-columns:repeat(2,1fr)}
  .nav-links{display:flex;position:absolute;top:70px;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(35,74,83,.14);padding:0 20px;max-height:0;overflow:hidden;opacity:0;transition:max-height .32s ease,opacity .28s ease,padding .32s ease}
  .nav-links.open{max-height:80vh;overflow:auto;opacity:1;padding:12px 20px 20px}
  .nav-burger{display:inline-flex}
  .nav-item{width:100%}
  .nav-links>.nav-item>a{width:100%;justify-content:space-between}
  .drop{position:static;left:auto;transform:none;opacity:1;visibility:visible;min-width:0;box-shadow:none;border:none;background:var(--paper);border-radius:12px;margin:4px 0 6px;display:none;padding:8px}
  .drop.cols2{grid-template-columns:1fr 1fr;min-width:0}
  .nav-item.open .drop,.nav-item.open .drop.cols2,.nav-item:hover .drop,.nav-item:hover .drop.cols2{display:grid}
  .drop a{white-space:normal}
  .hero-grid{grid-template-columns:1fr;gap:30px;padding:44px 0 40px}
  .hero h1{font-size:30px}
  .hero .fig .imgwrap img{height:250px}
  .svc-grid,.svc-grid.cols4,.kb-grid{grid-template-columns:repeat(2,1fr)}
  .mat-in{grid-template-columns:1fr}
  .flow-in{grid-template-columns:repeat(2,1fr);gap:26px}
  .flow-line{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .doc{padding:30px 24px}
}
@media (max-width:720px){.card-grid,.art-grid,.kb-grid,.sub-grid,.scene{grid-template-columns:1fr}.block{margin:32px 0}.sec{margin:24px 0}.card-grid,.art-grid,.kb-grid,.svc-grid,.sub-grid,.tr-grid{gap:16px}
  section{padding:36px 0}
  .hero h1{font-size:25px}
  .hero-cta .btn{padding:11px 20px;font-size:14px}
  .svc-grid,.svc-grid.cols4,.kb-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .flow-in{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-hot{font-size:12px}
  .drop.cols2{grid-template-columns:1fr}
  .nav-links a{font-size:14px;padding:9px 8px}
  .mrow{grid-template-columns:30px 1fr;gap:8px}
  .mrow .ds{grid-column:1/-1}
  .mrow .tg{justify-self:start}
}
/* ===== v2 标准板块 ===== */
.block{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin:28px 0}
.block h2{font-family:"Noto Serif SC",serif;font-size:22px;font-weight:900;color:var(--teal-deep);display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.block h2 small{font-size:13px;color:var(--muted);font-weight:400;letter-spacing:.5px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-grid:has(> .card:nth-child(4):last-child){grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:.25s;position:relative}
.card:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.card .nm{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card .nm h3{font-family:"Noto Serif SC",serif;font-size:16.5px;color:var(--teal-deep)}
.card .nm i{font-style:normal;font-size:13px;color:var(--amber);font-weight:700;white-space:nowrap}
.card .desc{font-size:13px;color:var(--muted);margin:6px 0 10px;line-height:1.7}
.card ul{list-style:none;margin:0 0 14px;padding:0}
.card ul li{font-size:12.5px;color:var(--ink);line-height:1.75;padding-left:16px;position:relative}
.card ul li::before{content:"";position:absolute;left:2px;top:9px;width:5px;height:5px;border-radius:50%;background:var(--teal)}
.card .foot{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed var(--line);padding-top:12px}
.card .foot .cyc{font-size:11.5px;color:var(--teal-deep);background:var(--teal-soft);border-radius:999px;padding:2px 11px;white-space:nowrap}
.card .foot a{font-size:13px;color:var(--teal-deep);font-weight:700}
.card .foot a:hover{color:var(--amber)}
.tbl-wrap{overflow-x:auto}
table.t{width:100%;table-layout:fixed;border-collapse:collapse;font-size:13.5px}
table.t th,table.t td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
table.t th{background:var(--teal-soft);color:var(--teal-deep);font-weight:700}
table.t td.amt{color:var(--amber);font-weight:700;white-space:nowrap}
.price-note{font-size:12px;color:var(--muted);margin-top:10px}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.why div{background:var(--paper);border:1px solid var(--line-soft);border-radius:12px;padding:14px 16px;transition:.2s}
.why div:hover{border-color:var(--teal)}
.why b{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--teal-deep);display:block}
.why span{font-size:12.5px;color:var(--muted);margin-top:4px;display:block}
.sec{margin:24px 0}
.s-h{margin-bottom:18px}
.s-h .tagk{display:inline-block;font-size:12px;color:var(--amber);letter-spacing:2px;font-weight:700;margin-bottom:6px}
.s-h h2{font-family:"Noto Serif SC",serif;font-size:24px;font-weight:900;color:var(--teal-deep);line-height:1.4}
.s-h p{font-size:13px;color:var(--muted);margin-top:4px}
.scene{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.scene div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 16px}
.scene b{font-size:14px;color:var(--teal-deep);display:block;margin-bottom:4px}
.scene span{font-size:12.5px;color:var(--muted);line-height:1.7}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.art-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;display:block}
.art-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.art-card .thumb{height:130px;overflow:hidden;position:relative}
.art-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.art-card:hover .thumb img{transform:scale(1.07)}
.art-card .info{padding:13px 16px 15px}
.art-card .info h3{font-size:14.5px;color:var(--ink);line-height:1.6;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.art-card .info p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:6px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-card .info .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.art-card .info .meta .col{color:var(--teal-deep);font-weight:700}
.art-card .info .meta .read{color:var(--teal-deep);font-weight:700;margin-left:auto}
.svc-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.wall-card{background:linear-gradient(150deg,var(--teal-soft),#fff);border:1px solid var(--line);border-radius:13px;padding:16px 18px;transition:.2s;display:block}
.wall-card:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:0 10px 22px rgba(35,74,83,.09)}
.wall-card b{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--teal-deep);display:block}
.wall-card span{font-size:12px;color:var(--muted);margin-top:4px;display:block;line-height:1.6}
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kb-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.kb-item:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(35,74,83,.10)}
.kb-item .thumb{height:130px;overflow:hidden;position:relative}
.kb-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.kb-item:hover .thumb img{transform:scale(1.07)}
.kb-item .kb-tag{position:absolute;left:10px;top:10px;background:rgba(34,70,75,.82);color:#fff;font-size:11.5px;padding:2px 10px;border-radius:999px;letter-spacing:1px}
.kb-item h3{font-size:14.5px;color:var(--ink);line-height:1.6;font-weight:600;padding:13px 16px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.kb-item p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:6px 16px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kb-item .kb-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);padding:10px 16px 14px;margin-top:auto}
.kb-item .kb-meta .vis{margin-left:auto}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px}
.page-num{min-width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:13px;transition:.2s;padding:0 8px}
.page-num svg{width:14px;height:14px}
.page-num:hover{border-color:var(--teal);color:var(--teal-deep)}
.page-num-current{background:var(--teal);border-color:var(--teal);color:#fff;font-weight:700}
.page-num.ellipsis{border:none;background:none;min-width:auto}
.art-head h1{font-family:"Noto Serif SC",serif;font-size:28px;font-weight:900;color:var(--teal-deep);line-height:1.45}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:10px 0 18px}
.art-meta b{color:var(--ink);font-weight:600}
.art-lead{font-size:14.5px;color:#55686F;line-height:2;border-left:3px solid var(--amber);background:var(--paper);padding:12px 16px;margin:0 0 20px}
.art h2{font-family:"Noto Serif SC",serif;font-size:19px;font-weight:900;color:var(--teal-deep);margin:24px 0 10px}
.art p{font-size:14px;color:var(--ink);line-height:1.95;margin-bottom:10px}
.art ul{padding-left:22px;margin-bottom:12px}
.art ul li{font-size:13.5px;line-height:1.9}
.art blockquote{background:var(--teal-soft);border-radius:10px;padding:12px 16px;font-size:13.5px;color:var(--teal-deep);margin:14px 0}
.art-tags{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.art-tags span{font-size:12px;background:var(--teal-soft);color:var(--teal-deep);border-radius:999px;padding:3px 12px}
.art-nav{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line-soft);padding-top:14px;margin-top:8px;font-size:13px;color:var(--teal-deep);flex-wrap:wrap}
@media (max-width:1024px){.card-grid,.art-grid,.kb-grid{grid-template-columns:repeat(2,1fr)}.svc-wall{grid-template-columns:repeat(3,1fr)}.why{grid-template-columns:repeat(2,1fr)}.scene{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.card-grid,.art-grid,.kb-grid,.svc-wall{grid-template-columns:1fr}.why,.scene{grid-template-columns:1fr}.block{padding:20px 16px}.art-head h1{font-size:22px}}

.grad-hero{background:linear-gradient(120deg,#E9F0F1,#DCE7E8,#E4ECEE,#E9F0F1);background-size:300% 100%;animation:gradflow 9s ease-in-out infinite}
.card-grid:has(.card:nth-child(4):last-child){grid-template-columns:repeat(4,1fr)}.card-grid:has(.card:nth-child(7):last-child){grid-template-columns:repeat(4,1fr)}.card-grid:has(.card:nth-child(10):last-child){grid-template-columns:repeat(5,1fr)}.scene:has(.reveal:nth-child(4):last-child){grid-template-columns:repeat(4,1fr)}.scene:has(div:nth-child(4):last-child){grid-template-columns:repeat(4,1fr)}