/* roulang page: index */
:root{
  --bg-base:#060B14;
  --bg-elev:#0B1322;
  --bg-deep:#04080F;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.08);
  --line:rgba(140,190,255,.14);
  --line-soft:rgba(255,255,255,.10);
  --primary:#17E0C4;
  --primary-hover:#3BF0D6;
  --primary-press:#10B79F;
  --secondary:#5B7BFF;
  --accent:#FFB454;
  --text:#E6EEF8;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --ok:#35D07F;
  --warn:#FF7A6B;
  --r-card:18px;
  --r-big:24px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45);
  --max:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(140,190,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(140,190,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--primary-hover)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
h3{font-size:clamp(19px,2vw,23px);line-height:1.4;font-weight:600}
h4{font-size:16px;line-height:1.5;font-weight:600}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.num,.stat-num,time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--secondary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(23,224,196,.3)}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:96px 0;position:relative;z-index:1}
.section--deep{background:var(--bg-deep);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:48px}
.section-head p{margin:12px 0 0;color:var(--text-2);font-size:16px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:700;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--primary);display:block}
.text-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid transparent;padding-bottom:2px}
.text-link:hover{border-color:var(--primary);color:var(--primary-hover)}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(4px)}
.badge{display:inline-block;font-size:12px;line-height:1.4;padding:5px 11px;border-radius:999px;background:rgba(23,224,196,.12);color:var(--primary);font-weight:600;letter-spacing:.02em}
.badge--blue{background:rgba(91,123,255,.14);color:#9BB0FF}
.badge--amber{background:rgba(255,180,84,.14);color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;cursor:pointer;font-weight:700;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease}
.btn-primary{
  padding:14px 30px;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  color:#04121A;
  box-shadow:0 0 24px rgba(23,224,196,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(23,224,196,.5);color:#04121A}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(23,224,196,.35)}
.btn-ghost{padding:13px 26px;border-radius:12px;background:transparent;border-color:rgba(255,255,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(23,224,196,.06);color:var(--text)}
.btn-sm{padding:10px 20px;font-size:15px}
.btn-block{width:100%}
/* 顶部信息条 */
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.topbar-left span{display:inline-flex;align-items:center;gap:7px}
.topbar-left i{color:var(--primary)}
.topbar-right a{color:var(--primary);font-weight:600}
/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,11,20,.72);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background-color .25s ease,border-color .25s ease}
.site-header.is-stuck{background:rgba(6,11,20,.9);border-bottom-color:var(--line-soft);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,rgba(23,224,196,.22),rgba(91,123,255,.18));border:1px solid var(--line);display:grid;place-items:center}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.01em;line-height:1}
.logo-text em{font-style:normal;color:var(--primary);margin-left:4px}
.logo-sub{display:block;font-size:11px;color:var(--text-3);letter-spacing:.16em;margin-top:5px;font-weight:500}
.main-nav{flex:1;display:flex;justify-content:center}
.main-nav > ul{display:flex;align-items:center;gap:4px}
.main-nav > ul > li{position:relative}
.main-nav > ul > li > a{display:block;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:10px;font-weight:500;white-space:nowrap}
.main-nav > ul > li > a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.main-nav > ul > li.active > a{color:var(--primary);background:rgba(23,224,196,.09);font-weight:600}
.mega{position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,8px);width:min(760px,86vw);background:rgba(11,19,34,.97);border:1px solid var(--line);border-radius:var(--r-big);box-shadow:var(--sh-2);padding:26px;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px;font-weight:700}
.mega ul li a{display:block;font-size:15px;color:var(--text-2);padding:7px 0}
.mega ul li a:hover{color:var(--primary);padding-left:5px}
.mega-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column}
.mega-card .thumb{height:104px;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;border-bottom:1px solid var(--line)}
.mega-card .body{padding:16px}
.mega-card p{font-size:13px;color:var(--text-2);margin:8px 0 14px;line-height:1.6}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--glass);border:1px solid var(--line);color:var(--text);cursor:pointer}
.nav-toggle i{font-size:17px}
.mobile-panel{display:none;border-top:1px solid var(--line-soft);background:rgba(4,8,15,.98);padding:16px 0 26px}
.mobile-panel.is-open{display:block}
.mobile-panel ul li a{display:block;padding:13px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line-soft)}
.mobile-panel ul li.active a{color:var(--primary)}
.mobile-panel .btn{margin-top:18px}
/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.34}
.hero::after{content:"";position:absolute;top:-60px;right:-40px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(23,224,196,.22),transparent 68%);filter:blur(10px)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:620px;padding:74px 0 60px}
.hero-copy .lead{font-size:clamp(17px,1.7vw,20px);color:var(--text-2);margin:22px 0 30px;max-width:520px;line-height:1.7}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px}
.hero-band{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.hero-band div{background:rgba(11,19,34,.85);padding:18px 20px}
.hero-band .stat-num{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--primary);display:block;line-height:1.2}
.hero-band small{font-size:13px;color:var(--text-3);display:block;margin-top:4px}
.hero-visual{position:relative}
.hero-frame{border-radius:var(--r-big);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-frame img{width:100%;height:400px;object-fit:cover}
.hero-float{position:absolute;left:-26px;bottom:-26px;width:min(280px,78%);background:rgba(11,19,34,.92);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-2)}
.hero-float strong{display:block;font-size:15px;margin-bottom:6px}
.hero-float span{font-size:13px;color:var(--text-2);line-height:1.6}
.rating{display:flex;align-items:center;gap:8px;margin-top:12px}
.rating i{color:var(--accent);font-size:13px}
.rating em{font-style:normal;font-size:13px;color:var(--text-3)}
/* 方案概览 */
.plans{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.plan-main{background:linear-gradient(160deg,rgba(23,224,196,.12),rgba(11,19,34,.6));border:1px solid var(--line);border-radius:var(--r-big);padding:34px;display:flex;flex-direction:column;justify-content:space-between;min-height:330px}
.plan-main h3{font-size:26px;margin:16px 0 12px}
.plan-main p{color:var(--text-2);font-size:15px;max-width:440px}
.plan-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin:18px 0 24px}
.plan-points span{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.plan-points i{color:var(--primary);font-size:12px}
.plan-side{display:flex;flex-direction:column;gap:24px}
.plan-item{display:grid;grid-template-columns:104px 1fr;gap:20px;align-items:center;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.plan-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,224,196,.35)}
.plan-item .thumb{height:88px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.plan-item .thumb img{width:100%;height:100%;object-fit:cover}
.plan-item p{font-size:14px;color:var(--text-2);margin:6px 0 0;line-height:1.65}
/* 数据 */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;border-top:1px solid var(--line-soft);padding-top:36px}
.stats-row .stat-num{font-size:clamp(28px,3.6vw,42px);font-weight:700;color:var(--text);line-height:1.1;display:block}
.stats-row .stat-num i{font-style:normal;font-size:.5em;color:var(--primary);margin-left:6px;font-weight:600}
.stats-row p{font-size:13px;color:var(--text-3);margin:10px 0 0;line-height:1.65}
/* 案例 */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:76px}
.case-row:last-child{margin-bottom:0}
.case-row.reverse .case-media{order:2}
.case-media{border-radius:var(--r-big);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.case-media img{width:100%;height:340px;object-fit:cover}
.case-body h3{margin:14px 0 12px}
.case-body p{color:var(--text-2);font-size:15.5px}
.case-list{margin:18px 0 24px}
.case-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);margin-bottom:10px;line-height:1.7}
.case-list i{color:var(--primary);margin-top:6px;font-size:12px}
/* 步骤 */
.steps{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.steps-aside{position:sticky;top:120px}
.steps-aside p{color:var(--text-2);font-size:15px;margin-top:16px}
.steps-list li{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 28px;display:grid;grid-template-columns:88px 1fr;gap:22px;align-items:start;margin-bottom:18px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.steps-list li:hover{transform:translateY(-4px);border-color:rgba(23,224,196,.35);box-shadow:var(--sh-2)}
.steps-list .idx{font-size:34px;font-weight:700;color:rgba(23,224,196,.35);line-height:1;font-variant-numeric:tabular-nums}
.steps-list p{color:var(--text-2);font-size:15px;margin:8px 0 0}
/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,224,196,.35)}
.news-thumb{display:block;height:158px;background:url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;border-bottom:1px solid var(--line)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 16px}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line-soft);padding-top:14px}
.news-meta .more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-card:hover .more i{transform:translateX(4px)}
.news-meta .more i{transition:transform .18s ease}
.news-empty{border:1px dashed rgba(140,190,255,.3);border-radius:var(--r-card);padding:56px 24px;text-align:center;background:rgba(255,255,255,.02)}
.news-empty p{color:var(--text-2);margin-bottom:20px}
/* 反馈摘录 */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;display:flex;flex-direction:column;gap:16px}
.quote p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0}
.quote footer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line-soft);padding-top:16px}
.quote .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,rgba(23,224,196,.35),rgba(91,123,255,.3));display:grid;place-items:center;font-size:14px;font-weight:700;color:#04121A}
.quote strong{font-size:14px;display:block}
.quote small{font-size:12px;color:var(--text-3)}
.score{display:flex;gap:3px}
.score i{font-size:12px;color:var(--accent)}
/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--glass);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease}
.faq-item[open]{border-color:rgba(23,224,196,.35);background:rgba(255,255,255,.07)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);transition:transform .25s ease,background-color .25s ease}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(23,224,196,.14)}
.faq-item .answer{padding:0 24px 20px;color:var(--text-2);font-size:15px;line-height:1.85}
/* 联系 */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.contact-info li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-soft)}
.contact-info i{width:40px;height:40px;border-radius:12px;background:var(--glass);border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);flex-shrink:0}
.contact-info strong{display:block;font-size:15px;margin-bottom:4px}
.contact-info span{font-size:14px;color:var(--text-2);line-height:1.6}
.form-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-big);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-input);color:var(--text);padding:13px 14px;min-height:48px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,224,196,.15)}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.form-note{font-size:13px;color:var(--text-3);margin:14px 0 0}
/* CTA 条 */
.cta-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(120deg,rgba(23,224,196,.14),rgba(11,19,34,.7));border:1px solid var(--line);border-radius:var(--r-big);padding:34px 36px}
.cta-bar h2{font-size:clamp(21px,2.4vw,28px)}
.cta-bar p{margin:10px 0 0;color:var(--text-2);font-size:15px}
/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(23,224,196,.15);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px}
.footer-brand p{font-size:14px;color:var(--text-2);margin:18px 0 0;max-width:300px;line-height:1.8}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:20px;color:var(--text)}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--primary);margin-top:6px;font-size:12px}
.footer-bottom{border-top:1px solid var(--line-soft);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}
/* 响应式 */
@media (max-width:1180px){
  .main-nav > ul > li > a{padding:10px 10px;font-size:14px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-primary{display:none}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:56px 0 48px;gap:40px}
  .hero-frame img{height:320px}
  .hero-float{position:static;width:100%;margin-top:16px}
  .plans{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:32px}
  .steps-aside{position:static}
  .contact{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .news-grid,.quotes{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:28px}
  .case-row{grid-template-columns:1fr;gap:28px;margin-bottom:60px}
  .case-row.reverse .case-media{order:0}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .container{padding:0 20px}
  .topbar-left span:nth-child(2){display:none}
  .hero-band{grid-template-columns:1fr}
  .news-grid,.quotes,.footer-grid{grid-template-columns:1fr}
  .case-media img{height:230px}
  .steps-list li{grid-template-columns:1fr;gap:12px}
  .cta-bar,.form-card{padding:24px}
  .plan-main{padding:26px}
}
@media (max-width:520px){
  .logo-text{font-size:17px}
  .logo-sub{display:none}
  .hero-frame img{height:230px}
  .stats-row{grid-template-columns:1fr;gap:22px}
  .plan-item{grid-template-columns:1fr}
  .btn-primary,.btn-ghost{width:100%}
  .hero-cta{gap:12px}
}
@media (min-width:1024px){
  .hero-float{backdrop-filter:blur(10px)}
}

/* roulang page: article */
:root{
  --bg-base:#060B14;
  --bg-elev:#0B1322;
  --bg-deep:#04080F;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.075);
  --glass-line:rgba(140,190,255,.14);
  --primary:#17E0C4;
  --primary-hover:#3BF0D6;
  --primary-press:#10B79F;
  --secondary:#5B7BFF;
  --accent:#FFB454;
  --text:#E6EEF8;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.28);
  --ok:#35D07F;
  --warn:#FF7A6B;
  --r-card:18px;
  --r-lg:24px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45), 0 0 0 1px rgba(23,224,196,.35);
  --pad-sec:96px;
  --max:1200px;
  --read:820px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.num,.tabular{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.section{padding:var(--pad-sec) 0;position:relative;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
.sec-head p{color:var(--text-2);font-size:14px;margin-top:10px;max-width:620px;}
.sec-link{color:var(--primary);font-size:14px;font-weight:600;white-space:nowrap;}
.sec-link:hover{color:var(--primary-hover);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:inline-block;}

/* ---------- topbar ---------- */
.topbar{height:36px;background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2);}
.topbar-inner{height:36px;display:flex;align-items:center;gap:22px;justify-content:space-between;}
.topbar-meta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.topbar-meta span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;}
.topbar-meta i{color:var(--primary);font-size:11px;}
.topbar-link{color:var(--primary);font-weight:600;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;}
.site-header.is-stuck{background:rgba(6,11,20,.88);border-bottom-color:var(--line);backdrop-filter:blur(14px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,rgba(23,224,196,.22),rgba(91,123,255,.18));
  border:1px solid rgba(23,224,196,.45);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;color:var(--primary);
  box-shadow:0 0 18px rgba(23,224,196,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;font-weight:700;font-size:17px;color:var(--text);}
.brand-text small{font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.04em;}

.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav > ul > li{position:relative;}
.main-nav > ul > li > a{display:block;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:10px;}
.main-nav > ul > li > a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.main-nav > ul > li.active > a{color:var(--primary);background:rgba(23,224,196,.10);}
.mega{
  position:absolute;top:100%;right:0;left:auto;width:640px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:22px;
  padding:24px;border-radius:var(--r-lg);
  background:rgba(11,19,34,.97);border:1px solid var(--glass-line);
  box-shadow:var(--sh-1);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(6px);}
.mega h4{font-size:12px;letter-spacing:.12em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;font-weight:600;}
.mega ul li a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;}
.mega ul li a:hover{color:var(--primary);}
.mega-card{border:1px solid var(--glass-line);border-radius:var(--r-card);padding:18px;background:var(--glass);}
.mega-card .thumb{display:block;height:70px;border-radius:12px;margin-bottom:12px;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;border:1px solid var(--glass-line);}
.mega-card strong{display:block;font-size:15px;margin-bottom:6px;}
.mega-card p{font-size:13px;color:var(--text-2);line-height:1.65;margin-bottom:12px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text);cursor:pointer;font-size:16px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#17E0C4,#0FBFD8);color:#04121A;box-shadow:0 0 24px rgba(23,224,196,.35);}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 0 34px rgba(23,224,196,.5);}
.btn-primary:active{transform:translateY(0);background:var(--primary-press);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.22);}
.btn-ghost:hover{color:var(--text);border-color:var(--primary);background:rgba(23,224,196,.06);}
.btn-sm{padding:9px 18px;font-size:13px;}

/* ---------- badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(23,224,196,.12);color:var(--primary);}
.badge-blue{background:rgba(91,123,255,.14);color:#93A8FF;}
.badge-amber{background:rgba(255,180,84,.14);color:var(--accent);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{padding:7px 16px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:13px;color:var(--text-2);background:rgba(255,255,255,.02);cursor:pointer;transition:all .2s ease;}
.chip:hover{border-color:rgba(23,224,196,.5);color:var(--text);background:rgba(23,224,196,.06);}
.chip.active{border-color:var(--primary);color:var(--primary);background:rgba(23,224,196,.12);}

/* ---------- article head ---------- */
.page-band{
  position:relative;padding:72px 0 60px;overflow:hidden;
  background:linear-gradient(180deg,rgba(4,8,15,.86),rgba(6,11,20,.96)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-band::after{
  content:"";position:absolute;top:-60px;right:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,196,.28),transparent 68%);pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:900px;}
.article-head h1{font-size:clamp(28px,3.6vw,46px);line-height:1.24;letter-spacing:-.01em;}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:var(--text-2);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);}
.cover-wrap{margin-top:34px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--sh-1);aspect-ratio:16/9;background:var(--glass);}
.cover-wrap img{width:100%;height:100%;object-fit:cover;}
.cover-caption{font-size:13px;color:var(--text-3);margin-top:10px;}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,var(--read)) 300px;
  gap:52px;align-items:start;justify-content:center;
}
.article-body{font-size:17px;line-height:1.9;color:#DCE7F5;}
.article-body > * + *{margin-top:1.15em;}
.article-body p{color:#D3DFEE;}
.article-body h2{
  position:relative;padding-left:18px;font-size:clamp(21px,2.2vw,27px);line-height:1.4;
  margin-top:1.8em;margin-bottom:.2em;color:var(--text);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(23,224,196,.6);}
.article-body h3{font-size:20px;line-height:1.45;margin-top:1.5em;color:var(--text);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(23,224,196,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body ul,.article-body ol{padding-left:1.35em;}
.article-body ul li{list-style:none;position:relative;padding-left:20px;margin:.5em 0;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.85;}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:.5em 0;padding-left:6px;}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--primary);
  background:rgba(255,255,255,.04);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body img{border-radius:14px;border:1px solid var(--glass-line);margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:-.6em;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;font-size:15px;border:1px solid var(--glass-line);border-radius:14px;overflow:hidden;}
.article-body thead{background:rgba(23,224,196,.08);}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body strong{color:#fff;font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{border:1px solid var(--glass-line);border-radius:var(--r-card);background:var(--glass);padding:22px;box-shadow:var(--sh-1);}
.side-card h3{font-size:15px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.side-list li + li{margin-top:12px;}
.side-list a{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.6;}
.side-list a i{color:var(--primary);font-size:11px;margin-top:6px;}
.side-list a:hover{color:var(--primary);}
.side-cta p{font-size:13px;color:var(--text-2);margin-bottom:16px;line-height:1.7;}
.side-cta{background:linear-gradient(160deg,rgba(23,224,196,.10),rgba(91,123,255,.06));}

/* ---------- tags / post nav / related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:52px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;}
.post-nav a{
  display:block;padding:20px 22px;border:1px solid var(--glass-line);border-radius:var(--r-card);
  background:var(--glass);transition:all .25s ease;
}
.post-nav a:hover{border-color:rgba(23,224,196,.4);transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-nav span{font-size:12px;color:var(--text-3);display:block;margin-bottom:8px;}
.post-nav strong{font-size:15px;font-weight:600;line-height:1.55;display:block;}
.post-nav .next{text-align:right;}
.back-row{margin-top:32px;}

/* ---------- related cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;flex-direction:column;border:1px solid var(--glass-line);border-radius:var(--r-card);
  background:var(--glass);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,224,196,.35);}
.card .thumb{aspect-ratio:16/9;background:rgba(255,255,255,.05);border-bottom:1px solid var(--glass-line);overflow:hidden;}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .thumb img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--text-3);margin-top:auto;padding-top:4px;}
.card-meta .more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card:hover .card-meta .more i{transform:translateX(3px);}
.card-meta .more i{transition:transform .2s ease;font-size:11px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border:1px solid var(--glass-line);border-radius:var(--r-card);background:var(--glass);margin-bottom:14px;overflow:hidden;transition:border-color .25s ease,background .25s ease;}
.faq-item[open]{border-color:rgba(23,224,196,.42);background:rgba(255,255,255,.07);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--primary);transition:transform .25s ease;line-height:1;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .answer{padding:0 22px 18px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:32px 36px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(23,224,196,.12),rgba(91,123,255,.08));
  border:1px solid var(--glass-line);box-shadow:var(--sh-1);
}
.cta-bar h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35;}
.cta-bar p{font-size:14px;color:var(--text-2);margin-top:8px;}

/* ---------- empty / not found ---------- */
.empty-state{
  max-width:820px;margin:0 auto;text-align:center;padding:64px 28px;
  border:1px dashed rgba(140,190,255,.3);border-radius:var(--r-lg);background:var(--glass);
}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(23,224,196,.15);padding:68px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:18px;font-weight:600;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.75;margin-top:16px;max-width:320px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:12px;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

@media (max-width:1024px){
  :root{--pad-sec:72px;}
  .mega{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .main-nav{
    position:fixed;inset:74px 0 0 auto;width:min(340px,86vw);
    background:rgba(6,11,20,.98);border-left:1px solid var(--line);
    padding:22px;transform:translateX(105%);transition:transform .28s ease;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav > ul > li > a{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .header-cta{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;display:none;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--pad-sec:52px;}
  .topbar{display:none;}
  .header-inner{height:66px;}
  .main-nav{inset:66px 0 0 auto;}
  .page-band{padding:52px 0 44px;}
  .article-head h1{font-size:clamp(24px,6vw,32px);}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;}
  .cta-bar{padding:26px 22px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-meta{gap:10px;font-size:12px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
}

/* roulang page: category2 */
:root{
  --bg-base:#060B14;
  --bg-elev:#0B1322;
  --bg-deep:#04080F;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(140,190,255,.14);
  --primary:#17E0C4;
  --primary-hover:#3BF0D6;
  --primary-press:#10B79F;
  --secondary:#5B7BFF;
  --accent:#FFB454;
  --text:#E6EEF8;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --ok:#35D07F;
  --warn:#FF7A6B;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.28);
  --r-card:18px;
  --r-lg:24px;
  --r-img:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45),0 0 0 1px rgba(23,224,196,.35);
  --container:1200px;
  --sect:96px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--primary-hover);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(23,224,196,.3);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:var(--sect) 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px;}
.link-more{font-size:15px;font-weight:600;color:var(--primary);white-space:nowrap;}
.link-more:hover{color:var(--primary-hover);}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--bg-deep);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar ul{display:flex;gap:20px;flex-wrap:wrap;}
.topbar li{display:flex;align-items:center;gap:6px;}
.topbar a{font-size:13px;color:var(--text-2);}
.topbar a:hover{color:var(--primary);}
.topbar .dot{width:5px;height:5px;border-radius:50%;background:var(--ok);display:inline-block;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,20,.88);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(135deg,rgba(23,224,196,.22),rgba(91,123,255,.18));
  border:1px solid rgba(23,224,196,.42);
  display:grid;place-items:center;
  box-shadow:0 0 18px rgba(23,224,196,.22);
}
.logo-mark svg{width:22px;height:22px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:.01em;}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.16em;text-transform:uppercase;}

.main-nav>ul{display:flex;align-items:center;gap:4px;}
.main-nav>ul>li{position:relative;}
.main-nav>ul>li>a{
  display:block;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .18s ease,background-color .18s ease;
}
.main-nav>ul>li>a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.main-nav>ul>li.active>a{color:var(--primary);background:rgba(23,224,196,.10);}
.main-nav>ul>li.active>a::after{
  content:"";display:block;height:2px;border-radius:2px;
  background:var(--primary);margin-top:6px;box-shadow:0 0 10px rgba(23,224,196,.7);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  margin-left:10px;padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  color:#04121A;font-size:14px;font-weight:700;
  box-shadow:0 0 24px rgba(23,224,196,.35);
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 0 34px rgba(23,224,196,.5);}

/* Mega 面板 */
.has-mega .mega{
  position:absolute;top:calc(100% + 12px);right:-40px;width:720px;
  display:grid;grid-template-columns:1fr 1fr 240px;gap:24px;
  padding:24px;border-radius:20px;
  background:rgba(11,19,34,.97);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh-1),0 0 0 1px rgba(23,224,196,.10);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s ease;
  pointer-events:none;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;
}
.mega h4{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--text-3);margin-bottom:12px;text-transform:uppercase;}
.mega ul{display:flex;flex-direction:column;gap:2px;}
.mega ul a{
  display:block;padding:7px 10px;border-radius:9px;
  font-size:14px;color:var(--text-2);
}
.mega ul a:hover{color:var(--primary);background:rgba(23,224,196,.08);}
.mega-card{
  border-radius:16px;overflow:hidden;border:1px solid var(--glass-line);
  background:linear-gradient(160deg,rgba(23,224,196,.10),rgba(91,123,255,.06));
  display:flex;flex-direction:column;
}
.mega-card .thumb{
  display:block;height:84px;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--glass-line);
}
.mega-card .body{padding:16px;}
.mega-card strong{display:block;font-size:14px;margin-bottom:6px;}
.mega-card p{font-size:13px;color:var(--text-2);line-height:1.65;margin-bottom:12px;}

.nav-toggle{display:none;}
.nav-switch{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  color:#04121A;
  box-shadow:0 0 24px rgba(23,224,196,.35);
}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 0 34px rgba(23,224,196,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(23,224,196,.35);}
.btn-ghost{
  background:transparent;color:var(--text);
  border:1px solid rgba(255,255,255,.22);
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(23,224,196,.06);}
.btn-sm{padding:9px 18px;font-size:13px;}

/* ============ 页头窄带 ============ */
.page-head{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-deep);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
}
.page-head .bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-head .glow{
  position:absolute;right:-40px;top:-60px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,196,.55),rgba(23,224,196,0) 70%);
  filter:blur(6px);
}
.page-head .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:var(--text-3);opacity:.6;}
.crumb .current{color:var(--text-3);}
.page-head h1{
  font-size:clamp(28px,4vw,44px);line-height:1.18;font-weight:700;letter-spacing:-.01em;
  margin:16px 0 12px;max-width:820px;
}
.page-head .lead{font-size:15px;color:var(--text-2);max-width:640px;}
.page-head .head-tools{
  margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;
}
.doc-search{
  display:flex;align-items:center;gap:10px;
  flex:1 1 320px;max-width:420px;
  padding:0 16px;height:48px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  color:var(--text-3);font-size:14px;
}
.doc-search svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--text-3);}
.doc-search input{
  border:0;background:transparent;height:100%;width:100%;
  font-size:14px;color:var(--text);
}
.doc-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,224,196,.15);}
.doc-search input::placeholder{color:var(--text-3);}
.doc-search input:focus{outline:none;}

/* ============ 筛选 chips ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--text-2);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:all .18s ease;cursor:pointer;
}
.chip:hover{color:var(--text);border-color:rgba(23,224,196,.45);background:rgba(23,224,196,.08);}
.chip.is-active{
  color:#04121A;font-weight:700;
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  border-color:transparent;
  box-shadow:0 0 20px rgba(23,224,196,.32);
}
.chip-count{font-size:12px;opacity:.7;font-variant-numeric:tabular-nums;}

/* ============ 行式清单 ============ */
.doc-list-wrap{
  border-top:1px solid var(--line);
  margin-top:36px;
}
.doc-row{
  position:relative;
  display:grid;grid-template-columns:76px minmax(0,1fr) auto;
  gap:24px;align-items:center;
  padding:24px 8px 24px 22px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.doc-row::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity .18s ease;
  box-shadow:0 0 14px rgba(23,224,196,.6);
}
.doc-row:hover{background:rgba(255,255,255,.04);}
.doc-row:hover::before{opacity:1;}
.doc-no{
  font-size:22px;font-weight:700;letter-spacing:.02em;
  color:rgba(23,224,196,.35);
  font-variant-numeric:tabular-nums;
}
.doc-main h3{
  font-size:19px;font-weight:600;line-height:1.45;margin-bottom:6px;
}
.doc-row:hover .doc-main h3{color:var(--primary);}
.doc-main p{font-size:14px;color:var(--text-2);line-height:1.7;}
.doc-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  color:var(--primary);background:rgba(23,224,196,.12);
  border:1px solid rgba(23,224,196,.22);
}
.badge-blue{color:#A9B8FF;background:rgba(91,123,255,.14);border-color:rgba(91,123,255,.26);}
.badge-amber{color:var(--accent);background:rgba(255,180,84,.12);border-color:rgba(255,180,84,.26);}
.doc-action{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);
  white-space:nowrap;padding:10px 4px;
}
.doc-action svg{width:15px;height:15px;stroke:var(--primary);transition:transform .18s ease;}
.doc-row:hover .doc-action svg{transform:translateX(4px);}

/* ============ 资料获取说明 ============ */
.access-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.access-lead{
  position:relative;overflow:hidden;
  padding:32px;border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(23,224,196,.10),rgba(91,123,255,.05));
  border:1px solid rgba(23,224,196,.28);
  box-shadow:var(--sh-1);
}
.access-lead .cover{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--glass-line);
  margin-bottom:22px;
}
.access-lead .cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.access-lead h3{font-size:22px;font-weight:600;margin-bottom:12px;}
.access-lead p{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.access-lead .cap{font-size:13px;color:var(--text-3);margin-top:10px;}
.access-side{display:flex;flex-direction:column;gap:20px;}
.access-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.access-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,224,196,.4);}
.access-item .ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(23,224,196,.12);border:1px solid rgba(23,224,196,.26);
  color:var(--primary);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.access-item h4{font-size:16px;font-weight:600;margin-bottom:6px;}
.access-item p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);margin-bottom:14px;overflow:hidden;
  transition:border-color .18s ease,background-color .18s ease;
}
.faq-item[open]{border-color:rgba(23,224,196,.42);background:rgba(23,224,196,.045);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex:0 0 22px;width:22px;height:22px;position:relative;
  transition:transform .22s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:14px;height:2px;}
.faq-item summary .plus::after{width:2px;height:14px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-foot{text-align:center;margin-top:34px;}

/* ============ CTA 玻璃条 ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(23,224,196,.12),rgba(91,123,255,.06));
  border:1px solid rgba(23,224,196,.30);
  box-shadow:var(--sh-1);
}
.cta-bar h2{font-size:clamp(21px,2.4vw,28px);line-height:1.35;font-weight:700;}
.cta-bar p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(23,224,196,.15);
  margin-top:var(--sect);
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;font-size:13px;color:var(--text-3);
}
.footer-bottom .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--sect:80px;}
}
@media screen and (max-width:1023px){
  :root{--sect:72px;}
  .topbar ul li.hide-md{display:none;}
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:rgba(255,255,255,.05);
    cursor:pointer;padding:0 12px;
  }
  .nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease;}
  .nav-switch:checked ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-switch:checked ~ .nav-toggle span:nth-child(2){opacity:0;}
  .nav-switch:checked ~ .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .main-nav{
    display:none;
    position:absolute;left:-20px;right:-20px;top:100%;
    background:rgba(11,19,34,.99);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:16px 20px 24px;
    max-height:calc(100vh - 110px);overflow-y:auto;
  }
  .nav-switch:checked ~ .main-nav{display:block;}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav>ul>li>a{padding:13px 12px;font-size:16px;border-radius:12px;}
  .main-nav>ul>li.active>a::after{display:none;}
  .has-mega .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    pointer-events:auto;display:grid;grid-template-columns:1fr;gap:14px;
    padding:12px;margin:6px 0 12px;background:rgba(255,255,255,.04);box-shadow:none;
  }
  .mega-card{display:none;}
  .nav-cta{margin:14px 0 0;justify-content:center;width:100%;}
  .access-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-head .container{padding-top:36px;padding-bottom:36px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  :root{--sect:60px;}
  .doc-row{grid-template-columns:52px minmax(0,1fr);gap:14px;padding:20px 6px 20px 16px;}
  .doc-action{grid-column:2;justify-self:start;padding-top:0;}
  .doc-no{font-size:18px;}
  .doc-main h3{font-size:17px;}
  .cta-bar{padding:28px 24px;}
  .access-lead{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section-head{margin-bottom:28px;}
}
@media screen and (max-width:519px){
  :root{--sect:52px;}
  .topbar .container{height:auto;padding-top:8px;padding-bottom:8px;}
  .topbar ul{gap:12px;font-size:12px;}
  .page-head h1{font-size:26px;}
  .doc-search{max-width:100%;flex:1 1 100%;}
  .btn{width:100%;}
  .cta-bar .btn{width:100%;}
  .faq-item summary{padding:18px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
}

/* roulang page: category3 */
:root{
  --bg-base:#060B14;
  --bg-elev:#0B1322;
  --bg-deep:#04080F;
  --glass:rgba(255,255,255,0.055);
  --glass-line:rgba(140,190,255,0.14);
  --primary:#17E0C4;
  --primary-hover:#3BF0D6;
  --primary-press:#10B79F;
  --secondary:#5B7BFF;
  --accent:#FFB454;
  --text:#E6EEF8;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --ok:#35D07F;
  --warn:#FF7A6B;
  --line:rgba(255,255,255,0.10);
  --line-strong:rgba(255,255,255,0.28);
  --r-card:18px;
  --r-big:24px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45), 0 0 0 1px rgba(23,224,196,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.15}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25}
h3{font-size:clamp(20px,2.2vw,24px);font-weight:600;line-height:1.4}
h4{font-size:15px;font-weight:600;line-height:1.5}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(23,224,196,.3);color:#fff}

/* ---------- layout helpers ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:1240px;padding-left:20px;padding-right:20px}
.row .column{padding-left:10px;padding-right:10px}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-head p{color:var(--text-2);font-size:15px;max-width:600px;margin:8px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--primary);text-transform:uppercase;font-weight:600;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:block}
.muted{color:var(--text-2)}
.small{font-size:13px;color:var(--text-3)}
.num{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;font-size:15px;font-weight:700;border-radius:999px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  color:#04121A;
  box-shadow:0 0 24px rgba(23,224,196,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(23,224,196,.5);color:#04121A}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#10B79F,#0FA9BF)}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.22);color:var(--text);border-radius:12px;
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(23,224,196,.06);color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(23,224,196,.35);padding-bottom:2px;cursor:pointer;
}
.link-cta::after{content:"→";transition:transform .18s ease}
.link-cta:hover{border-color:var(--primary)}
.link-cta:hover::after{transform:translateX(4px)}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(23,224,196,.12);color:var(--primary);font-weight:600;letter-spacing:.02em;
}
.badge--cool{background:rgba(91,123,255,.14);color:#A6B7FF}
.badge--warm{background:rgba(255,180,84,.14);color:var(--accent)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,11,20,.82);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,rgba(23,224,196,.22),rgba(91,123,255,.18));border:1px solid rgba(23,224,196,.4);display:grid;place-items:center}
.logo-mark svg{width:22px;height:22px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:.01em}
.logo-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.14em}
.main-nav>ul{display:flex;align-items:center;gap:4px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);
}
.main-nav>ul>li>a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.main-nav li.active>a{color:var(--primary);background:rgba(23,224,196,.10);box-shadow:inset 0 0 0 1px rgba(23,224,196,.28)}
.main-nav .has-mega>a::after{content:"▾";font-size:10px;margin-left:6px;color:var(--text-3)}
.mega{
  position:absolute;top:calc(100% + 14px);right:0;width:min(780px,86vw);
  display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:26px;
  padding:26px;border-radius:20px;
  background:rgba(11,19,34,.97);border:1px solid var(--glass-line);box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega h4{color:var(--text-3);font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.mega ul{display:flex;flex-direction:column;gap:9px}
.mega ul a{font-size:14.5px;color:var(--text-2)}
.mega ul a:hover{color:var(--primary)}
.mega-card{
  display:flex;flex-direction:column;gap:12px;padding:16px;border-radius:16px;
  background:var(--glass);border:1px solid var(--glass-line);
}
.mega-card .thumb{
  height:88px;border-radius:12px;border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(23,224,196,.22),rgba(91,123,255,.22)),url('/assets/images/backpic/back-3.webp') center/cover;
}
.mega-card p{font-size:13.5px;color:var(--text-2);margin:0}
.mega-card strong{font-size:15px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--glass);
  border:1px solid var(--glass-line);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--text);border-radius:2px;transition:.2s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
.mobile-nav{
  display:none;flex-direction:column;gap:4px;padding:12px 20px 22px;
  border-top:1px solid var(--line);background:rgba(6,11,20,.98);
}
.mobile-nav a{display:block;padding:13px 12px;border-radius:12px;font-size:15.5px;color:var(--text-2)}
.mobile-nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.mobile-nav a.active{color:var(--primary);background:rgba(23,224,196,.10)}
body.nav-open .mobile-nav{display:flex}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:60px 0 54px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.80),rgba(6,11,20,.96));
}
.page-head::after{
  content:"";position:absolute;top:-60px;right:-40px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,196,.30),transparent 68%);
  filter:blur(10px);pointer-events:none;
}
.page-head-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a:hover{color:var(--primary)}
.crumb span.cur{color:var(--text-2)}
.page-head h1{margin-bottom:14px}
.page-head h1 em{font-style:normal;color:var(--primary)}
.page-head .lede{max-width:620px;color:var(--text-2);font-size:16px;margin:0}
.head-stats{display:grid;grid-template-columns:repeat(4,minmax(96px,1fr));gap:24px}
.head-stat{padding-left:16px;border-left:2px solid rgba(23,224,196,.4)}
.head-stat b{display:block;font-size:26px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.2}
.head-stat b i{font-style:normal;font-size:14px;color:var(--primary);margin-left:2px}
.head-stat span{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}

/* ---------- cases ---------- */
.cases-list{display:flex;flex-direction:column;gap:96px}
.case{position:relative}
.case-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--glass-line);box-shadow:var(--sh-1);background:var(--glass);
}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px 14px;
  font-size:13px;color:var(--text-2);
  background:linear-gradient(0deg,rgba(4,8,15,.92),rgba(4,8,15,0));
}
.case-media:hover{transform:translateY(-4px);box-shadow:var(--sh-2);transition:.24s ease}
.case-body h3{margin:14px 0 12px}
.case-body p{color:var(--text-2);font-size:16px;max-width:34em}
.case-points{display:flex;flex-wrap:wrap;gap:40px;margin:22px 0 24px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.point b{display:block;font-size:23px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.25}
.point span{font-size:13px;color:var(--text-3)}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}

/* ---------- score ---------- */
.score-wrap{
  border-radius:var(--r-big);border:1px solid var(--glass-line);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  padding:44px;
}
.score-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 52px;margin-top:8px}
.score-item{display:flex;flex-direction:column;gap:10px}
.score-top{display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.score-top span{font-size:15px;color:var(--text-2)}
.score-top b{font-size:19px;font-variant-numeric:tabular-nums;color:var(--text)}
.score-top b i{font-style:normal;font-size:13px;color:var(--text-3)}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#17E0C4,#5B7BFF)}
.score-note{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--text-3)}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.voice{
  display:flex;flex-direction:column;justify-content:space-between;gap:20px;
  padding:28px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--sh-1);
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.voice blockquote{margin:0;font-size:15.5px;color:var(--text);line-height:1.85}
.voice blockquote::before{content:"“";color:var(--primary);font-size:26px;line-height:0;vertical-align:-6px;margin-right:2px}
.voice .who{display:flex;align-items:center;gap:10px}
.avatar{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-weight:700;font-size:14px;color:#04121A;
  background:linear-gradient(135deg,#17E0C4,#5B7BFF);
}
.who b{display:block;font-size:14.5px;font-weight:600}
.who small{display:block;font-size:12.5px;color:var(--text-3)}

/* ---------- cta panel ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.5fr) auto;gap:36px;align-items:center;
  padding:52px;border-radius:var(--r-big);
  background:linear-gradient(120deg,rgba(23,224,196,.16),rgba(91,123,255,.14));
  border:1px solid rgba(23,224,196,.32);
  box-shadow:0 0 60px rgba(23,224,196,.16);
}
.cta-panel::after{
  content:"";position:absolute;top:-70px;right:-30px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,196,.35),transparent 70%);pointer-events:none;
}
.cta-panel h2{margin-bottom:12px}
.cta-panel p{margin:0;color:var(--text-2);font-size:16px;max-width:46em}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(23,224,196,.15);padding-top:72px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-col h4{color:var(--text);margin-bottom:18px;font-size:15px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-brand p{font-size:14px;color:var(--text-3);margin:14px 0 0;max-width:32em}
.mini-user{
  display:flex;align-items:center;gap:10px;margin-top:20px;padding:12px 14px;
  border-radius:14px;background:var(--glass);border:1px solid var(--glass-line);max-width:300px;
}
.mini-user b{display:block;font-size:13.5px}
.mini-user small{display:block;font-size:12px;color:var(--text-3)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .page-head{padding:48px 0 44px}
  .page-head-inner{grid-template-columns:1fr;gap:28px;align-items:start}
  .head-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .cases-list{gap:72px}
  .case-media{margin-bottom:26px}
  .score-wrap{padding:32px 26px}
  .voice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (min-width:1024px){
  .case--flip .case-media-col{order:2}
  .case--flip .case-body-col{order:1}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .row{padding-left:16px;padding-right:16px}
  .header-inner{height:68px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .section-head{margin-bottom:32px}
  .score-grid{grid-template-columns:1fr;gap:24px}
  .voice-grid{grid-template-columns:1fr}
  .head-stat b{font-size:22px}
  .case-points{gap:26px}
  .btn{width:100%;justify-content:center}
  .btn-inline{width:auto}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mega{display:none}
}
@media screen and (max-width:519px){
  h1{font-size:27px}
  .head-stats{grid-template-columns:1fr 1fr;gap:16px}
  .head-stat{padding-left:12px}
  .case-media img{aspect-ratio:4/3}
  .score-wrap{padding:26px 20px}
  .voice{padding:22px}
  .cta-panel{padding:32px 22px}
  .mini-user{max-width:100%}
}

/* roulang page: category1 */
:root{
  --bg-base:#060B14;
  --bg-elev:#0B1322;
  --bg-deep:#04080F;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(140,190,255,.14);
  --primary:#17E0C4;
  --primary-h:#3BF0D6;
  --primary-p:#10B79F;
  --secondary:#5B7BFF;
  --accent:#FFB454;
  --t1:#E6EEF8;
  --t2:#9FB0C6;
  --t3:#6B7C93;
  --ok:#35D07F;
  --warn:#FF7A6B;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.28);
  --r-card:18px;
  --r-lg:24px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45), 0 0 0 1px rgba(23,224,196,.35);
  --container:1200px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--primary-h)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--bg-deep);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--t2);
}
.topbar .container{
  height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-info{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.topbar-info span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.topbar-info i{color:var(--primary);font-size:12px}
.topbar a{color:var(--primary)}
.topbar a:hover{color:var(--primary-h)}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,11,20,.55);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-stuck{
  background:rgba(6,11,20,.88);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
@supports (backdrop-filter:blur(14px)){
  .site-header.is-stuck{backdrop-filter:blur(14px) saturate(140%)}
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:700;
  letter-spacing:-.01em;
  flex-shrink:0;
}
.logo-mark{
  width:42px;height:42px;
  border-radius:13px;
  background:linear-gradient(135deg,rgba(23,224,196,.22),rgba(91,123,255,.20));
  border:1px solid rgba(23,224,196,.45);
  display:grid;
  place-items:center;
  box-shadow:0 0 22px rgba(23,224,196,.24);
}
.logo-mark svg{width:24px;height:24px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.22}
.logo-text strong{font-size:19px;font-weight:700;color:var(--t1)}
.logo-text small{font-size:11px;color:var(--t3);letter-spacing:.14em}
.logo:hover .logo-text strong{color:var(--primary-h)}

/* ---------- 主导航 ---------- */
.main-nav > ul{
  display:flex;
  align-items:center;
  gap:4px;
}
.main-nav > ul > li{position:relative}
.main-nav > ul > li > a{
  display:inline-block;
  padding:10px 15px;
  font-size:15px;
  font-weight:500;
  color:var(--t2);
  border-radius:999px;
  white-space:nowrap;
}
.main-nav > ul > li > a:hover{color:var(--t1);background:var(--glass)}
.main-nav > ul > li.active > a{color:var(--primary);background:rgba(23,224,196,.10)}
.has-mega > a::after{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  margin-left:8px;
  border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;
  transform:translateY(-2px) rotate(45deg);
  opacity:.7;
}

/* Mega 面板 */
.mega{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:700px;
  display:grid;
  grid-template-columns:1fr 1fr 1.15fr;
  gap:24px;
  padding:26px;
  background:rgba(11,19,34,.97);
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
@supports (backdrop-filter:blur(16px)){
  .mega{backdrop-filter:blur(16px)}
}
.has-mega:hover .mega,
.has-mega:focus-within .mega,
.has-mega.open .mega{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega h4{
  font-size:13px;
  font-weight:600;
  color:var(--t3);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.mega ul li{margin-bottom:9px}
.mega ul li a{font-size:14px;color:var(--t2)}
.mega ul li a:hover{color:var(--primary-h)}
.mega-card{
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  background:var(--glass);
  overflow:hidden;
}
.mega-card .thumb{
  display:block;
  height:96px;
  background-color:#0E1A2C;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--glass-line);
}
.mega-card .body{padding:16px}
.mega-card strong{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.mega-card p{font-size:13px;line-height:1.65;color:var(--t2);margin-bottom:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  color:#04121A;
  font-weight:700;
  box-shadow:0 0 24px rgba(23,224,196,.35);
}
.btn-primary:hover{
  color:#04121A;
  transform:translateY(-2px);
  box-shadow:0 0 34px rgba(23,224,196,.5);
}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#10B79F,#0CA9BF)}
.btn-primary:focus-visible{outline:2px solid var(--secondary);outline-offset:3px}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.22);
  color:var(--t1);
}
.btn-ghost:hover{
  border-color:var(--primary);
  background:rgba(23,224,196,.06);
  color:var(--t1);
}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:999px}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--t1);
  cursor:pointer;
  font-size:17px;
}

/* ---------- 页头窄带 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-color:#070E18;
  opacity:.34;
}
.page-hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(6,11,20,.72),rgba(6,11,20,.95)),
    linear-gradient(90deg,rgba(6,11,20,.9),rgba(6,11,20,.3));
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-60px;right:-40px;
  width:320px;height:320px;
  background:radial-gradient(circle,rgba(23,224,196,.22),transparent 68%);
  pointer-events:none;
}
.page-hero-inner{
  position:relative;
  padding:60px 24px 54px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:end;
  gap:32px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:18px;
}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--primary-h)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--t3)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.15;
  max-width:16em;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-note{
  font-size:14px;
  color:var(--t2);
  max-width:22em;
  text-align:right;
  padding-bottom:8px;
  line-height:1.7;
}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
}
.section-head .sub{
  font-size:15px;
  color:var(--t2);
  margin-top:10px;
  max-width:34em;
}
.link-more{
  font-size:14.5px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.link-more i{transition:transform .2s ease}
.link-more:hover i{transform:translateX(4px)}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--primary);
  border:1px solid rgba(23,224,196,.35);
  background:rgba(23,224,196,.08);
  border-radius:999px;
  padding:4px 14px;
  margin-bottom:16px;
}

/* ---------- 选型维度数据条 ---------- */
.dim-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,19,34,.6),rgba(6,11,20,.2));
}
.dim-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.dim-item{
  padding:34px 26px;
  border-right:1px solid var(--line);
}
.dim-item:last-child{border-right:none}
.dim-num{
  font-size:clamp(28px,3.4vw,40px);
  font-weight:700;
  line-height:1;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.dim-num small{font-size:14px;color:var(--t2);font-weight:500}
.dim-item h3{font-size:16px;font-weight:600;margin:14px 0 8px}
.dim-item p{font-size:13px;line-height:1.7;color:var(--t3)}

/* ---------- 主布局：左粘性导航 + 右卡片 ---------- */
.layout{
  display:grid;
  grid-template-columns:256px 1fr;
  gap:44px;
  align-items:start;
}
.side-nav{
  position:sticky;
  top:96px;
  background:rgba(11,19,34,.72);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:20px 16px;
  box-shadow:var(--sh-1);
}
.side-nav h2{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--t3);
  font-weight:600;
  padding:0 12px 14px;
  border-bottom:1px solid var(--line);
  margin-bottom:12px;
}
.side-nav ul li{margin-bottom:4px}
.side-nav ul li a{
  display:block;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--t2);
  border-left:2px solid transparent;
  border-radius:0 10px 10px 0;
}
.side-nav ul li a:hover{
  color:var(--t1);
  background:rgba(255,255,255,.04);
  border-left-color:rgba(23,224,196,.5);
}
.side-nav ul li.active a{
  color:var(--primary);
  background:rgba(255,255,255,.06);
  border-left-color:var(--primary);
  font-weight:600;
}

/* ---------- 方案卡片（2 列） ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.plan-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(23,224,196,.32);
}
.plan-card .cover{
  height:168px;
  background-color:#0E1A2C;
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--glass-line);
  position:relative;
}
.plan-card .cover .badge{
  position:absolute;
  left:16px;top:16px;
}
.plan-card .body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.plan-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.plan-card p{font-size:14.5px;line-height:1.75;color:var(--t2);margin-bottom:16px}
.badge{
  display:inline-block;
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(23,224,196,.12);
  color:var(--primary);
  border:1px solid rgba(23,224,196,.25);
  line-height:1.5;
}
.badge.blue{background:rgba(91,123,255,.14);color:#9BB0FF;border-color:rgba(91,123,255,.3)}
.badge.amber{background:rgba(255,180,84,.14);color:var(--accent);border-color:rgba(255,180,84,.3)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--t3);
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.card-foot .meta{font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.card-foot .arrow{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.card-foot .arrow i{transition:transform .2s ease}
.plan-card:hover .card-foot .arrow i{transform:translateX(4px)}

/* ---------- 对比清单 ---------- */
.compare-wrap{
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  background:rgba(11,19,34,.6);
  overflow:hidden;
}
.compare-head,.compare-row{
  display:grid;
  grid-template-columns:1.5fr 1fr .9fr 1.4fr 88px;
  gap:18px;
  align-items:center;
  padding:18px 26px;
}
.compare-head{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--t3);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.compare-row{
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.compare-row:last-child{border-bottom:none}
.compare-row:hover{background:rgba(255,255,255,.04)}
.compare-row .name{font-size:15.5px;font-weight:600;color:var(--t1)}
.compare-row .col{font-size:14px;color:var(--t2);font-variant-numeric:tabular-nums}
.rate{
  height:6px;
  border-radius:999px;
  background:rgba(255,255,255,.09);
  overflow:hidden;
}
.rate span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,#17E0C4,#5B7BFF);
}
.compare-row .score{
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  text-align:right;
  font-variant-numeric:tabular-nums;
}

/* ---------- 选型步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.step{
  position:relative;
  padding:28px 26px;
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  box-shadow:var(--sh-1);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(23,224,196,.3);box-shadow:var(--sh-2)}
.step .no{
  font-size:38px;
  font-weight:700;
  line-height:1;
  color:rgba(23,224,196,.28);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;line-height:1.75;color:var(--t2)}

/* ---------- 服务承诺 / 证据 ---------- */
.promise{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:36px;
  align-items:center;
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  background:rgba(11,19,34,.62);
  padding:38px;
}
.promise h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.promise p{font-size:15.5px;color:var(--t2)}
.promise-img{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--glass-line);
}
.promise-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--t2);
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.promise-list li:last-child{border-bottom:none}
.promise-list i{color:var(--primary);margin-top:6px;font-size:13px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{
  border-color:rgba(23,224,196,.45);
  background:rgba(23,224,196,.05);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  color:var(--primary);
  font-size:22px;
  line-height:1;
  transition:transform .25s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{
  padding:0 24px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
}

/* ---------- CTA 玻璃条 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  padding:34px 38px;
  border:1px solid rgba(23,224,196,.28);
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(23,224,196,.10),rgba(91,123,255,.07));
  box-shadow:0 0 40px rgba(23,224,196,.12);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--t2);margin:0}

/* ---------- 客户反馈 ---------- */
.quote{
  display:flex;
  align-items:flex-start;
  gap:18px;
  max-width:760px;
  padding:26px 30px;
  border:1px solid var(--glass-line);
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  background:rgba(255,255,255,.04);
}
.quote .avatar{
  width:46px;height:46px;
  border-radius:50%;
  display:grid;place-items:center;
  font-weight:700;
  color:#04121A;
  background:linear-gradient(135deg,#17E0C4,#0FBFD8);
  flex-shrink:0;
}
.quote strong{display:block;font-size:15px;font-weight:600}
.quote small{display:block;font-size:13px;color:var(--t3);margin-bottom:10px}
.quote p{font-size:15px;line-height:1.8;color:var(--t2);margin:0}

/* ---------- 需求表单 ---------- */
.form-wrap{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:44px;
  align-items:start;
}
.form-card{
  background:rgba(11,19,34,.75);
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-1);
}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;color:var(--t2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--t1);
}
.field textarea{min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(23,224,196,.15);
}
.field select option{background:#0B1322;color:#E6EEF8}
.form-note{font-size:13px;color:var(--t3);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(23,224,196,.15);
  padding:70px 0 0;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t3);max-width:26em}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:var(--t2)}
.footer-col ul li a:hover{color:var(--primary-h)}
.footer-contact li{
  font-size:14px;
  color:var(--t2);
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-cta .btn{display:none}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(360px,86vw);
    background:rgba(8,14,24,.98);
    border-left:1px solid var(--glass-line);
    padding:92px 22px 30px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:70;
    box-shadow:-20px 0 50px rgba(0,0,0,.5);
  }
  body.nav-open .main-nav{transform:translateX(0)}
  body.nav-open .nav-toggle i::before{content:"\f00d"}
  .main-nav > ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav > ul > li > a{padding:13px 12px;border-radius:12px;font-size:15.5px}
  .mega{
    position:static;
    width:auto;
    grid-template-columns:1fr;
    gap:18px;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    background:rgba(255,255,255,.03);
    margin:8px 0 12px;
    padding:18px;
    display:none;
  }
  .has-mega.open .mega{display:grid}
  .page-hero-inner{grid-template-columns:1fr;padding:48px 24px 44px}
  .hero-note{text-align:left;max-width:100%}
  .layout{grid-template-columns:1fr;gap:30px}
  .side-nav{position:static;top:auto}
  .side-nav ul{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}
  .dim-grid{grid-template-columns:repeat(2,1fr)}
  .dim-item:nth-child(2n){border-right:none}
  .dim-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .promise{grid-template-columns:1fr;padding:30px}
  .compare-head,.compare-row{
    grid-template-columns:1.4fr 1fr .8fr 80px;
  }
  .compare-head .col-hide,.compare-row .col-hide{display:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:60px 0}
  .section-tight{padding:48px 0}
  .container{padding:0 20px}
  .topbar-info span:nth-child(3){display:none}
  .card-grid{grid-template-columns:1fr}
  .dim-grid{grid-template-columns:1fr}
  .dim-item{border-right:none;border-bottom:1px solid var(--line);padding:26px 6px}
  .dim-item:last-child{border-bottom:none}
  .compare-head{display:none}
  .compare-row{
    grid-template-columns:1fr;
    gap:10px;
    padding:20px 20px 22px;
    border-bottom:1px solid var(--line);
  }
  .compare-row .score{text-align:left}
  .cta-band{padding:26px 22px}
  .cta-band .btn{width:100%}
  .btn{width:100%}
  .header-cta .btn{width:auto}
  .quote{padding:22px;flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .form-card{padding:24px 20px}
  .side-nav ul{grid-template-columns:1fr}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .section-head h2{font-size:23px}
  .plan-card .body{padding:20px}
  .step{padding:22px 20px}
}

/* roulang page: category4 */
:root{
  --bg-base:#060B14;
  --bg-elev:#0B1322;
  --bg-deep:#04080F;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(140,190,255,.14);
  --primary:#17E0C4;
  --primary-hover:#3BF0D6;
  --primary-press:#10B79F;
  --secondary:#5B7BFF;
  --accent:#FFB454;
  --text-1:#E6EEF8;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --ok:#35D07F;
  --warn:#FF7A6B;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.28);
  --radius-card:18px;
  --radius-lg:24px;
  --radius-img:16px;
  --radius-sm:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.45),0 0 0 1px rgba(23,224,196,.35);
  --section-y:96px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--primary-hover)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25}
h3{font-size:clamp(19px,1.8vw,23px);line-height:1.4;font-weight:600}
h4{font-size:15px;line-height:1.6;font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-family:var(--font-num)}
::selection{background:rgba(23,224,196,.28);color:#fff}
:focus-visible{outline:2px solid var(--secondary);outline-offset:3px;border-radius:6px}

/* 容器与通用区块 */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding-top:var(--section-y);padding-bottom:var(--section-y)}
.section--tight{padding-top:64px;padding-bottom:64px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--primary);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);display:inline-block}
.link-more{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.link-more i{margin-left:6px;font-size:12px;transition:transform .18s ease}
.link-more:hover i{transform:translateX(4px)}

/* 顶部信息条 */
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar ul{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.topbar li{display:inline-flex;align-items:center;gap:7px}
.topbar i{color:var(--primary);font-size:12px}
.topbar a{color:var(--text-2);font-weight:600}
.topbar a:hover{color:var(--primary)}

/* 头部与导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,11,20,.72);border-bottom:1px solid var(--line);transition:background-color .25s ease,box-shadow .25s ease,backdrop-filter .25s ease}
.site-header.is-stuck{background:rgba(6,11,20,.9);box-shadow:0 10px 30px rgba(0,0,0,.45)}
@supports (backdrop-filter:blur(12px)){
  @media (min-width:1024px){
    .site-header{backdrop-filter:blur(14px)}
    .site-header.is-stuck{backdrop-filter:blur(18px)}
  }
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:linear-gradient(135deg,rgba(23,224,196,.24),rgba(91,123,255,.18));border:1px solid rgba(23,224,196,.34);display:flex;align-items:center;justify-content:center;box-shadow:0 0 22px rgba(23,224,196,.22)}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.01em}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-top:2px}
.main-nav>ul{display:flex;align-items:center;gap:4px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:block;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-2)}
.main-nav>ul>li>a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.main-nav>ul>li.active>a{color:var(--primary);background:rgba(23,224,196,.10)}
.main-nav .has-mega>a::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;margin-left:6px;opacity:.7}
.mega{position:absolute;top:calc(100% + 12px);right:0;width:720px;display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;padding:24px;border-radius:var(--radius-lg);background:rgba(11,19,34,.96);border:1px solid var(--glass-line);box-shadow:0 24px 60px rgba(0,0,0,.6);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega h4{color:var(--text-3);font-size:12px;letter-spacing:.1em;margin-bottom:12px;text-transform:uppercase}
.mega ul li{margin-bottom:6px}
.mega ul a{display:block;padding:7px 10px;border-radius:9px;color:var(--text-2);font-size:14px}
.mega ul a:hover{color:var(--primary);background:rgba(23,224,196,.08)}
.mega-card{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--glass-line);background:var(--glass);display:flex;flex-direction:column}
.mega-card .thumb{height:96px;background:linear-gradient(135deg,rgba(23,224,196,.22),rgba(91,123,255,.2)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;display:block}
.mega-card .body{padding:16px}
.mega-card strong{display:block;font-size:15px;margin-bottom:6px}
.mega-card p{font-size:13px;color:var(--text-2);line-height:1.7;margin:0 0 14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1);cursor:pointer}
.nav-toggle:hover{border-color:rgba(23,224,196,.4);color:var(--primary)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:700;font-size:15px;line-height:1;padding:14px 26px;border-radius:999px;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease}
.btn-primary{background:linear-gradient(135deg,#17E0C4,#0FBFD8);color:#04121A;box-shadow:0 0 24px rgba(23,224,196,.35)}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 0 34px rgba(23,224,196,.5)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#10B79F,#0DA8BE)}
.btn-ghost{background:transparent;color:var(--text-1);border:1px solid rgba(255,255,255,.22)}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(23,224,196,.06)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* 徽章 / 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;background:rgba(23,224,196,.12);color:var(--primary);font-weight:600}
.badge--blue{background:rgba(91,123,255,.14);color:#9DB0FF}
.badge--amber{background:rgba(255,180,84,.14);color:var(--accent)}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);cursor:pointer;transition:all .18s ease}
.chip:hover{border-color:rgba(23,224,196,.45);color:var(--text-1);background:rgba(23,224,196,.06)}
.chip.is-active{border-color:var(--primary);color:var(--primary);background:rgba(23,224,196,.10)}

/* 页头窄带 */
.page-hero{position:relative;overflow:hidden;padding:96px 0 64px;background:linear-gradient(180deg,rgba(4,8,15,.76),rgba(6,11,20,.97)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;opacity:.5;pointer-events:none}
.page-hero::after{content:"";position:absolute;top:-60px;right:-40px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(23,224,196,.30),transparent 68%);pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{color:var(--text-3);opacity:.6}
.crumbs .current{color:var(--text-3)}
.hero-grid{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:28px}
.hero-grid .lead{max-width:720px}
.hero-grid .lead p{margin:16px 0 0;color:var(--text-2);font-size:17px;max-width:620px}
.hero-note{font-size:14px;color:var(--text-2);border-left:2px solid var(--primary);padding-left:14px;max-width:280px;line-height:1.75}

/* Featured 大卡 */
.featured{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-line);background:var(--glass);box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease}
.featured:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.featured-media{position:relative;min-height:340px;background:linear-gradient(135deg,rgba(23,224,196,.18),rgba(91,123,255,.18))}
.featured-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(11,19,34,.85))}
.featured-body{padding:40px 36px;display:flex;flex-direction:column;justify-content:center}
.featured-body h3{font-size:clamp(21px,2.2vw,27px);margin:16px 0 12px}
.featured-body p{color:var(--text-2);font-size:15px;line-height:1.85;margin-bottom:20px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--text-3);margin-top:20px}
.meta-row i{margin-right:6px;color:var(--primary)}
.featured-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:8px}
.featured-points span{font-size:14px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start}
.featured-points i{color:var(--primary);font-size:12px;margin-top:6px}

/* 2×2 网格卡 */
.grid-2x2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.news-card{border-radius:var(--radius-card);border:1px solid var(--glass-line);background:var(--glass);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(23,224,196,.34)}
.news-card .cover{position:relative;height:190px;background:linear-gradient(135deg,rgba(23,224,196,.16),rgba(91,123,255,.18))}
.news-card .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .cover img{transform:scale(1.04)}
.news-card .cover .badge{position:absolute;left:16px;top:16px;background:rgba(4,8,15,.72);backdrop-filter:blur(6px)}
.news-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-size:19px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{color:var(--text-2);font-size:14px;line-height:1.8;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.news-card .foot .read{color:var(--primary);font-weight:600}
.news-card .foot .read i{margin-left:5px;font-size:11px;transition:transform .18s ease}
.news-card:hover .foot .read i{transform:translateX(4px)}

/* 支持通道非对称板块 */
.channels{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.35fr);gap:24px;align-items:stretch}
.channel-main{border-radius:var(--radius-lg);border:1px solid rgba(23,224,196,.26);background:linear-gradient(160deg,rgba(23,224,196,.12),rgba(11,19,34,.6));padding:36px 32px;display:flex;flex-direction:column;box-shadow:0 0 34px rgba(23,224,196,.10)}
.channel-main h3{font-size:23px;margin:16px 0 12px}
.channel-main p{color:var(--text-2);font-size:15px;line-height:1.85}
.channel-main .stat{display:flex;align-items:baseline;gap:8px;margin:24px 0 8px}
.channel-main .stat b{font-size:44px;font-weight:700;color:var(--primary);line-height:1;font-variant-numeric:tabular-nums}
.channel-main .stat span{font-size:14px;color:var(--text-2)}
.channel-list{display:flex;flex-direction:column;gap:20px}
.channel-item{flex:1;border-radius:var(--radius-card);border:1px solid var(--glass-line);background:var(--glass);padding:24px;display:flex;gap:18px;align-items:flex-start;transition:transform .2s ease,border-color .2s ease,background-color .2s ease}
.channel-item:hover{transform:translateY(-3px);border-color:rgba(23,224,196,.34);background:rgba(255,255,255,.075)}
.channel-item .ico{width:48px;height:48px;flex:0 0 48px;border-radius:14px;background:rgba(23,224,196,.12);border:1px solid rgba(23,224,196,.26);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:18px}
.channel-item h3{font-size:18px;margin-bottom:8px}
.channel-item p{font-size:14px;color:var(--text-2);line-height:1.8;margin:0}
.channel-item .mini{display:block;margin-top:10px;font-size:13px;color:var(--primary);font-weight:600}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--glass-line);border-radius:var(--radius-card);background:var(--glass);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease}
.faq-item[open]{border-color:rgba(23,224,196,.4);background:rgba(255,255,255,.07)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;font-size:16px;font-weight:600;color:var(--text-1)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--primary);transition:transform .22s ease;line-height:1}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item .answer{padding:0 24px 20px;color:var(--text-2);font-size:15px;line-height:1.9}
.faq-foot{text-align:center;margin-top:32px}

/* 表单条 */
.cta-panel{border-radius:var(--radius-lg);border:1px solid var(--glass-line);background:linear-gradient(135deg,rgba(23,224,196,.12),rgba(91,123,255,.10));padding:44px 40px;box-shadow:var(--shadow-1)}
.cta-panel .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-panel h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.cta-panel p{color:var(--text-2);font-size:15px;margin:0;max-width:520px}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.subscribe-form input{flex:1 1 260px;min-width:0;height:48px;padding:0 16px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text-1);transition:border-color .18s ease,box-shadow .18s ease}
.subscribe-form input::placeholder{color:var(--text-3)}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(23,224,196,.15)}
.form-note{width:100%;font-size:13px;color:var(--text-3);margin-top:4px}

/* 页脚 */
.site-footer{margin-top:96px;background:var(--bg-deep);border-top:1px solid rgba(23,224,196,.15);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:320px}
.quote-card{margin-top:22px;border-radius:var(--radius-card);border:1px solid var(--glass-line);background:var(--glass);padding:20px;max-width:340px}
.quote-card footer{display:flex;align-items:center;gap:12px;margin-top:14px}
.quote-card blockquote{margin:0;font-size:14px;color:var(--text-2);line-height:1.8}
.avatar{width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:linear-gradient(135deg,#17E0C4,#5B7BFF);color:#04121A;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.quote-card strong{display:block;font-size:14px;color:var(--text-1)}
.quote-card small{font-size:12px;color:var(--text-3)}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:var(--text-2);font-size:14px}
.footer-col ul a:hover{color:var(--primary)}
.footer-col .contact-line{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14px;margin-bottom:12px}
.footer-col .contact-line i{color:var(--primary);font-size:13px;margin-top:5px}
.footer-bottom{margin-top:56px;padding:22px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}

/* 响应式 */
@media (max-width:1023px){
  :root{--section-y:72px}
  .featured{grid-template-columns:1fr}
  .featured-media{min-height:260px}
  .featured-media::after{background:linear-gradient(180deg,transparent 45%,rgba(11,19,34,.9))}
  .channels{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{position:absolute;left:0;right:0;top:100%;background:rgba(6,11,20,.98);border-bottom:1px solid var(--line);padding:12px 20px 22px;display:none;max-height:calc(100vh - 74px);overflow-y:auto}
  .main-nav.is-open{display:block}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav>ul>li>a{padding:14px 12px;border-radius:12px;font-size:15px}
  .main-nav>ul>li.active>a{background:rgba(23,224,196,.10)}
  .mega{position:static;width:auto;grid-template-columns:1fr;gap:16px;margin:6px 0 12px;padding:18px;border-radius:var(--radius-card);background:rgba(255,255,255,.04);box-shadow:none;opacity:1;visibility:visible;transform:none;display:none}
  .has-mega:hover .mega{display:none}
  .has-mega.is-open .mega{display:grid}
  .header-inner{position:relative}
  .mega-card .thumb{height:80px}
}
@media (max-width:767px){
  :root{--section-y:52px}
  body{font-size:15.5px}
  .grid-2x2{grid-template-columns:1fr}
  .featured-body{padding:28px 22px}
  .featured-points{grid-template-columns:1fr}
  .cta-panel{padding:30px 22px}
  .subscribe-form input{flex:1 1 100%}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .quote-card{max-width:100%}
  .hero-note{max-width:100%}
  .page-hero{padding:72px 0 48px}
  .topbar ul{gap:14px}
  .topbar .container{justify-content:flex-start;padding-top:8px;padding-bottom:8px}
}
@media (max-width:519px){
  .channel-item{flex-direction:column;gap:14px}
  .news-card .cover{height:170px}
  .section-head{margin-bottom:28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}