/* roulang page: index */
:root{
  --ink-900:#050A12;
  --ink-800:#08111E;
  --ink-700:#0C1A2B;
  --surface:#10243A;
  --surface-2:#16304B;
  --line:rgba(147,180,214,.16);
  --brand:#16C2B0;
  --brand-strong:#0E9A8C;
  --brand-light:#3FD9C8;
  --brand-soft:rgba(22,194,176,.12);
  --accent:#F2A03D;
  --paper:#F4F8FB;
  --paper-line:#DCE6EF;
  --paper-ink:#14212E;
  --paper-ink-2:#4E6172;
  --text-1:#E9F1FA;
  --text-2:#A6B8CD;
  --text-3:#6F8299;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(3,8,16,.40);
  --shadow-2:0 18px 44px rgba(3,8,16,.55);
  --glow:0 0 0 1px rgba(22,194,176,.35),0 10px 30px rgba(22,194,176,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  color:var(--text-1);
  background:var(--ink-800);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0}
button{background:none;border:0;cursor:pointer;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(22,194,176,.32);color:#fff}

/* ---------- layout ---------- */
.rl-wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section--alt{background:var(--ink-700)}
.section--tight{padding:72px 0}
.on-paper{background:var(--paper);color:var(--paper-ink)}
.on-paper h2,.on-paper h3,.on-paper strong{color:var(--paper-ink)}
.on-paper .sec-sub{color:var(--paper-ink-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:600;letter-spacing:.01em}
.sec-sub{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);max-width:660px}
.sec-link{font-size:14px;font-weight:500;color:var(--brand);white-space:nowrap;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:rgba(22,194,176,.45)}
.sec-link:hover{color:var(--brand-light);text-decoration-thickness:2px;text-decoration-color:var(--brand-light)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink-800);border-bottom:1px solid var(--line)}
.brand-bar{border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1)}
.brand:hover .brand-en{color:var(--brand-light)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);border:1px solid rgba(22,194,176,.28)}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;line-height:1}
.brand-en{margin-left:6px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand);transition:color .18s var(--ease)}
.header-tools{display:flex;align-items:center;gap:12px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--text-2);transition:all .18s var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:rgba(22,194,176,.45);background:var(--brand-soft)}
.channel-bar{max-height:54px;overflow:hidden;transition:max-height .3s var(--ease),opacity .22s var(--ease)}
.site-header.condensed .channel-bar{max-height:0;opacity:0}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.channel-list{display:flex;align-items:center;gap:6px}
.channel-list a{display:inline-block;padding:14px 16px;font-size:15px;color:var(--text-2);border-radius:var(--r-sm);position:relative;transition:all .18s var(--ease)}
.channel-list a:hover{color:var(--text-1);background:var(--brand-soft)}
.channel-list a.active{color:var(--brand);font-weight:600}
.channel-list a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;border-radius:2px;background:var(--brand)}
.channel-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);white-space:nowrap}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(22,194,176,.14)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-md);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;transition:transform .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease),color .16s var(--ease)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm)}
.btn-primary{background:var(--brand);color:var(--ink-900);box-shadow:0 0 0 1px rgba(22,194,176,.35)}
.btn-primary:hover{background:var(--brand-light);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-secondary{background:transparent;color:var(--text-1);border-color:rgba(147,180,214,.28)}
.btn-secondary:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-light);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text-2);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand-light);border-color:rgba(22,194,176,.45);background:var(--brand-soft)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none}

/* ---------- hero ---------- */
.hero{padding:72px 0 96px;background:linear-gradient(180deg,#08111E 0%,#0A1526 100%)}
.hero-inner{gap:32px}
.hero-copy{padding-right:24px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-soft);border:1px solid rgba(22,194,176,.25);font-size:12px;letter-spacing:.06em;color:var(--brand-light);margin-bottom:20px}
.hero-title{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:.01em;color:var(--text-1)}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--text-2)}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-visual{position:relative}
.hero-img{border-radius:var(--r-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-2);aspect-ratio:16/10;min-height:220px;background:linear-gradient(135deg,var(--surface-2),var(--ink-800))}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(5,10,18,.55) 0%,rgba(5,10,18,.18) 55%,rgba(5,10,18,.32) 100%)}
.glass{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:var(--r-xl)}
.hero-glass{position:absolute;right:18px;bottom:18px;padding:16px 18px;min-width:238px;z-index:2}
.glass-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 0;font-size:13px}
.glass-row + .glass-row{border-top:1px solid rgba(255,255,255,.09)}
.gl-label{color:var(--text-2)}
.gl-value{font-weight:600;color:var(--text-1)}
.gl-price{color:var(--accent);font-weight:700}

/* ---------- chips / badges ---------- */
.chip{display:inline-block;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;color:var(--brand-light);background:var(--brand-soft);border:1px solid rgba(22,194,176,.22);line-height:1.5}
.badge-flag{position:absolute;top:14px;left:14px;z-index:3;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;color:var(--accent);border:1px solid rgba(242,160,61,.55);background:rgba(5,10,18,.6)}

/* ---------- product grid ---------- */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);display:flex;flex-direction:column;overflow:hidden}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(22,194,176,.3)}
.card-media{overflow:hidden;background:linear-gradient(135deg,var(--surface-2),var(--ink-800));position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.4;font-weight:600}
.card-spec{font-size:13px;line-height:1.7;color:var(--text-2)}
.price-row{display:flex;align-items:baseline;gap:8px;margin-top:auto}
.price{font-size:22px;font-weight:700;color:var(--accent);letter-spacing:.01em}
.price-unit{font-size:12px;color:var(--text-3)}
.price-old{font-size:13px;color:var(--text-3);text-decoration:line-through}
.card-actions{display:flex;align-items:center;gap:10px;padding-top:4px}
.card-actions .btn{flex:1}
.hot-lead{grid-column:span 2;grid-row:span 2}
.hot-lead .card-media{aspect-ratio:16/10}
.hot-lead .card-body{padding:22px}
.hot-lead h3{font-size:22px}
.hot-sm .card-media{aspect-ratio:4/3}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.news-lead{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .24s var(--ease),transform .24s var(--ease)}
.news-lead:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.news-lead-link{display:block;color:inherit;height:100%}
.news-lead-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--surface-2),var(--ink-800))}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.news-lead-body{padding:22px;display:flex;flex-direction:column;gap:12px}
.news-lead-body h3{font-size:20px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);padding-top:4px;border-top:1px solid var(--line)}
.meta-arrow{color:var(--brand)}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-mini{display:flex;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);color:inherit;box-shadow:var(--shadow-1);transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease)}
.news-mini:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:rgba(22,194,176,.3)}
.news-mini-bar{flex:0 0 3px;border-radius:3px;background:var(--brand)}
.news-mini-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-mini-title{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini-meta{font-size:13px;color:var(--text-3)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);background:rgba(255,255,255,.02);text-align:center}
.empty-state p{font-size:14px;color:var(--text-2)}

/* ---------- reviews ---------- */
.review-band{padding:24px}
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.review-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
.review-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 calc((100% - 32px) / 3);scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;display:flex;flex-direction:column;gap:12px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--brand-soft),var(--surface-2));border:1px solid rgba(22,194,176,.3);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--brand-light)}
.review-name{font-size:15px;font-weight:600}
.review-role{font-size:12px;color:var(--text-3)}
.stars{color:var(--accent);font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.review-src{font-size:12px;color:var(--text-3);padding-top:8px;border-top:1px solid var(--line)}
.carousel-nav{display:flex;align-items:center;gap:10px}
.nav-btn{width:36px;height:36px;border-radius:50%;border:1px solid rgba(147,180,214,.3);color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:all .18s var(--ease)}
.nav-btn:hover{background:var(--brand);border-color:var(--brand);color:var(--ink-900)}
.dots{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:20px}
.dot{width:6px;height:6px;border-radius:var(--r-pill);background:rgba(147,180,214,.35);transition:all .22s var(--ease)}
.dot.active{width:18px;background:var(--brand)}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.assure-item{padding:22px 24px;text-align:center;border-right:1px solid var(--paper-line)}
.assure-item:last-child{border-right:0}
.assure-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:rgba(22,194,176,.1);color:var(--brand-strong);margin-bottom:10px}
.assure-item strong{display:block;font-size:15px;font-weight:600}
.assure-item span{font-size:12px;color:var(--paper-ink-2)}

/* ---------- cta ---------- */
.cta-band{padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.2vw,28px);font-weight:600;line-height:1.4}
.cta-note{margin-top:10px;font-size:13px;color:var(--text-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--paper-line)}
.faq-item{border-bottom:1px solid var(--paper-line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;padding:22px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--paper-ink);transition:color .18s var(--ease)}
.faq-q:hover{color:var(--brand-strong)}
.faq-icon{position:relative;flex:0 0 20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-strong);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--paper-ink-2)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{row-gap:32px}
.footer-col{padding-right:28px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:18px}
.footer-about{font-size:13px;line-height:1.8;color:var(--text-3);max-width:280px}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:var(--text-2);display:inline-block;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-info{font-size:13px;color:var(--text-2);line-height:2}
.footer-info strong{color:var(--text-1);font-weight:600}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--text-3)}

/* ---------- mobile bar ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(8,17,30,.96);border-top:1px solid var(--line)}
.mobile-bar-info{display:flex;flex-direction:column;line-height:1.4}
.mobile-bar-info strong{font-size:15px;color:var(--accent)}
.mobile-bar-info span{font-size:12px;color:var(--text-3)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:56px 0 72px}
  .hero-copy{padding-right:0}
  .news-grid{grid-template-columns:1fr}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .hot-lead{grid-column:span 2;grid-row:auto}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .assure-item{border-right:0;border-bottom:1px solid var(--paper-line)}
  .assure-item:nth-child(2n){border-right:0}
  .assure-item:nth-last-child(-n+2){border-bottom:0}
  .review-card{flex:0 0 calc((100% - 16px) / 2)}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .rl-wrap{padding-left:16px;padding-right:16px}
  .brand-text{font-size:17px}
  .brand-en{font-size:11px;letter-spacing:.1em}
  .channel-bar{max-height:58px}
  .channel-inner{overflow-x:auto;scrollbar-width:none;justify-content:flex-start;gap:4px}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel-list{flex-wrap:nowrap;scroll-snap-type:x proximity}
  .channel-list a{padding:14px 12px;white-space:nowrap}
  .channel-list a.active::after{left:12px;right:12px}
  .channel-status{display:none}
  .hero-title{font-size:28px}
  .hero-cta .btn{width:100%}
  .hero-glass{position:static;margin-top:16px;min-width:0}
  .hot-grid{grid-template-columns:1fr}
  .hot-lead{grid-column:span 1}
  .hot-lead .card-body{padding:18px}
  .card-actions{flex-direction:column;align-items:stretch}
  .review-card{flex:0 0 82%}
  .cta-inner{padding:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-col{padding-right:0}
  .mobile-bar{display:flex}
  body{padding-bottom:76px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#050A12;
  --ink-800:#08111E;
  --ink-700:#0C1A2B;
  --surface:#10243A;
  --surface-2:#16304B;
  --line:rgba(147,180,214,.16);
  --brand:#16C2B0;
  --brand-strong:#0E9A8C;
  --brand-soft:rgba(22,194,176,.12);
  --accent:#F2A03D;
  --paper:#F4F8FB;
  --paper-line:#DCE6EF;
  --text-1:#E9F1FA;
  --text-2:#A6B8CD;
  --text-3:#6F8299;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(3,8,16,.40);
  --shadow-2:0 18px 44px rgba(3,8,16,.55);
  --glow:0 0 0 1px rgba(22,194,176,.35),0 10px 30px rgba(22,194,176,.22);
  --rl-max:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-strong)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(22,194,176,.28);color:#fff}
.rl-wrap{width:100%;max-width:var(--rl-max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(8,17,30,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand-bar{height:64px;display:flex;align-items:center}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--brand-soft);border:1px solid rgba(22,194,176,.28);flex:0 0 auto}
.brand-text{font-size:19px;font-weight:700;color:var(--text-1);letter-spacing:.01em;line-height:1}
.brand-en{color:var(--brand);font-size:12px;letter-spacing:.16em;font-weight:600;margin-left:5px;vertical-align:1px}
.header-tools{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(22,194,176,.45);background:var(--surface-2)}
.channel-bar{
  border-bottom:1px solid var(--line);
  background:rgba(12,26,43,.72);
  overflow:hidden;max-height:60px;opacity:1;
  transition:max-height .3s ease,opacity .22s ease;
}
.channel-bar.is-collapsed{max-height:0;opacity:0;border-bottom-color:transparent}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px}
.channel-list{display:flex;align-items:center;gap:4px}
.channel-list a{
  display:block;padding:8px 13px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:500;color:var(--text-2);position:relative;
  transition:color .18s ease,background .18s ease;
}
.channel-list a:hover{color:var(--brand);background:var(--brand-soft)}
.channel-list a.active{color:var(--brand);background:rgba(22,194,176,.08)}
.channel-list a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}
.channel-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);white-space:nowrap}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(22,194,176,.16);flex:0 0 auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-md);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease-out,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#04201D;box-shadow:0 6px 18px rgba(22,194,176,.22)}
.btn-primary:hover{background:#1AD0BD;color:#04201D;transform:translateY(-2px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:rgba(147,180,214,.28);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:var(--radius-sm)}
.btn-lg{height:48px;padding:0 26px;font-size:15px}
.btn-block{width:100%}

/* ---------- article layout ---------- */
.article-page{padding:28px 0 0}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(147,180,214,.36)}
.crumb .current{color:var(--text-1)}

.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);margin-bottom:32px}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;letter-spacing:.06em;font-weight:500;
  color:var(--brand);background:var(--brand-soft);border:1px solid rgba(22,194,176,.34);
}
.post-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.3;font-weight:700;
  color:var(--text-1);margin:16px 0 18px;max-width:900px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13px;color:var(--text-3)}
.post-meta .meta-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.post-meta .meta-item svg{opacity:.75}

.article-layout{align-items:flex-start}
.article-main-col{padding-right:34px}
.article-side-col{padding-left:6px}
@media (min-width:1025px){
  .article-side{position:sticky;top:136px}
  .article-side-col{padding-left:0}
}

.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:32px 34px 34px;
  max-width:780px;
  font-size:16px;line-height:1.85;color:var(--text-2);
  counter-reset:sec;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  counter-increment:sec;position:relative;
  font-size:22px;line-height:1.45;font-weight:600;color:var(--text-1);
  margin:34px 0 14px;padding-left:15px;border-left:3px solid var(--brand);
}
.article-body h2::before{
  content:counter(sec);
  display:inline-flex;align-items:center;justify-content:center;
  min-width:24px;height:24px;padding:0 5px;margin-right:10px;
  border-radius:7px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;vertical-align:2px;
}
.article-body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--text-1);margin:26px 0 10px}
.article-body h4{font-size:16px;font-weight:600;color:var(--text-1);margin:20px 0 8px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand)}
.article-body strong{color:var(--text-1);font-weight:600}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-strong);text-decoration-thickness:2px}
.article-body img{border-radius:var(--radius-md);margin:18px 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:20px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body blockquote{
  margin:20px 0;padding:14px 18px;
  background:var(--surface-2);border-left:3px solid var(--brand);
  border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:20px 0;font-size:14px;line-height:1.7;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
}
.article-body th{background:rgba(22,194,176,.10);color:var(--text-1);font-weight:600;text-align:left;padding:11px 14px}
.article-body td{padding:11px 14px;border-top:1px solid var(--line);color:var(--text-2);font-variant-numeric:tabular-nums}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}

.empty-state{
  text-align:center;padding:56px 20px;
  border:1px dashed rgba(147,180,214,.28);border-radius:var(--radius-md);
  background:rgba(22,194,176,.04);
}
.empty-state .empty-icon{
  width:44px;height:44px;margin:0 auto 14px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);border:1px solid rgba(22,194,176,.3);color:var(--brand);
}
.empty-state p{margin:0 0 14px;color:var(--text-2);font-size:15px}
.empty-state a{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  padding:20px;margin-bottom:20px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:12px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:7px 10px;font-size:13.5px;line-height:1.6;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.toc-list a:hover{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand)}
.side-promo{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  overflow:hidden;margin-bottom:20px;
}
.side-promo img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.side-promo-body{padding:18px 20px 20px}
.side-promo-body h2{font-size:16px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.side-promo-body p{font-size:13.5px;line-height:1.75;color:var(--text-3);margin-bottom:14px}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:block;padding:9px 10px;font-size:13.5px;color:var(--text-2);
  border-radius:var(--radius-sm);transition:color .16s ease,background .16s ease;
}
.side-list a:hover{color:var(--brand);background:var(--brand-soft)}

/* ---------- related ---------- */
.rel-section{padding:56px 0 8px}
.section-title{
  font-size:clamp(20px,2.2vw,26px);font-weight:600;color:var(--text-1);
  line-height:1.35;margin-bottom:8px;
}
.section-sub{font-size:14px;color:var(--text-3);margin-bottom:28px}
.rel-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(22,194,176,.32)}
.rel-thumb{display:block;overflow:hidden}
.rel-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px}
.rel-body .tag{margin-bottom:10px}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px}
.rel-body h3 a{color:var(--text-1)}
.rel-body h3 a:hover{color:var(--brand)}
.rel-body p{font-size:13.5px;line-height:1.75;color:var(--text-3)}
.rel-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.rel-foot a{font-weight:600}

/* ---------- cta ---------- */
.cta-strip{
  margin:56px 0 0;
  background:linear-gradient(120deg,rgba(22,194,176,.16),rgba(12,26,43,.9) 62%);
  border:1px solid rgba(22,194,176,.32);
  border-radius:20px;
  padding:26px 30px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--glow);
}
.cta-text h2{font-size:20px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.cta-text p{font-size:14px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.back-channel{margin-top:26px;font-size:13.5px;color:var(--text-3)}
.back-channel a{font-weight:600}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 0;margin-top:80px}
.footer-grid{row-gap:32px}
.footer-col{padding-right:20px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-about{font-size:13px;line-height:1.8;color:var(--text-3);margin-top:14px;max-width:280px}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{display:inline-block;font-size:13px;color:var(--text-2);padding:5px 0;transition:color .16s ease,transform .16s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-info{font-size:12.5px;line-height:1.9;color:var(--text-3)}
.footer-info strong{color:var(--text-2);font-weight:600}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line);
  padding:18px 0 26px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:12px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-main-col{padding-right:0}
  .article-side-col{padding-left:0;margin-top:32px}
  .article-side{position:static}
  .article-body{max-width:none}
  .rel-section{padding-top:44px}
}
@media (max-width:768px){
  .rl-wrap{padding:0 16px}
  .brand-bar{height:60px}
  .brand-text{font-size:17px}
  .brand-en{font-size:11px;letter-spacing:.12em}
  .icon-btn{display:none}
  .channel-inner{height:auto;flex-direction:column;align-items:stretch;gap:0;padding:4px 0 6px}
  .channel-list{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-ms-overflow-style:none;scrollbar-width:none;scroll-snap-type:x proximity}
  .channel-list::-webkit-scrollbar{display:none}
  .channel-list li{flex:0 0 auto;scroll-snap-align:start}
  .channel-list a{white-space:nowrap}
  .channel-status{display:none}
  .channel-bar{max-height:none !important;opacity:1 !important;border-bottom-color:var(--line) !important}
  .article-page{padding-top:18px}
  .article-head{padding:16px 0 20px;margin-bottom:24px}
  .post-meta{gap:6px 14px}
  .article-body{padding:22px 18px 24px;font-size:15px}
  .article-body h2{font-size:19px;margin-top:28px}
  .article-body h3{font-size:16.5px}
  .article-body table{font-size:13px}
  .cta-strip{padding:22px 18px;border-radius:16px;margin-top:44px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .site-footer{padding-top:48px;margin-top:60px}
  .footer-col{padding-right:0}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .post-title{font-size:24px}
  .article-body{padding:18px 14px 20px}
  .btn-lg{height:46px;padding:0 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-900:#050A12;
  --ink-800:#08111E;
  --ink-700:#0C1A2B;
  --surface:#10243A;
  --surface-2:#16304B;
  --line:rgba(147,180,214,.16);
  --brand:#16C2B0;
  --brand-strong:#0E9A8C;
  --brand-soft:rgba(22,194,176,.12);
  --accent:#F2A03D;
  --paper:#F4F8FB;
  --paper-line:#DCE6EF;
  --text-1:#E9F1FA;
  --text-2:#A6B8CD;
  --text-3:#6F8299;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-1:0 2px 8px rgba(3,8,16,.40);
  --shadow-2:0 18px 44px rgba(3,8,16,.55);
  --glow:0 0 0 1px rgba(22,194,176,.35), 0 10px 30px rgba(22,194,176,.22);
  --wrap:1200px;
  --section-space:96px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--text-1);
  background:var(--ink-800);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-strong);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:.01em;}
dl,dd,dt{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.rl-wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* 栅格间距统一覆盖 Foundation 默认值 */
.grid-x{width:100%;}
.grid-margin-x{margin-left:0;margin-right:0;}
.grid-margin-x>.cell{margin-left:0;margin-right:0;padding-left:10px;padding-right:10px;}
.grid-margin-y{margin-top:0;margin-bottom:0;}
.grid-margin-y>.cell{margin-top:0;margin-bottom:0;padding-top:10px;padding-bottom:10px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.brand-bar{padding:0;}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-weight:700;
  letter-spacing:.02em;
}
.brand:hover{color:var(--text-1);}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--brand-soft);border:1px solid rgba(22,194,176,.28);}
.brand-text{font-size:18px;}
.brand-en{font-size:13px;letter-spacing:.18em;color:var(--brand);margin-left:2px;font-weight:600;}
.header-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-2);
  background:transparent;
  transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(22,194,176,.45);background:var(--brand-soft);}

.channel-bar{
  border-top:1px solid var(--line);
  background:var(--ink-900);
  max-height:64px;
  overflow:hidden;
  transition:max-height .3s ease-out,opacity .24s ease-out,border-color .3s ease-out;
}
.site-header.is-scrolled .channel-bar{max-height:0;opacity:0;border-top-color:transparent;}
.channel-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:52px;
}
.channel-list{display:flex;align-items:center;gap:4px;}
.channel-list a{
  display:inline-block;
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:8px;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.channel-list a:hover{color:var(--text-1);background:var(--brand-soft);}
.channel-list a.active{color:var(--brand);}
.channel-list a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.channel-status{
  display:flex;align-items:center;gap:8px;
  margin:0;font-size:13px;color:var(--text-3);
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(22,194,176,.16);}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-md);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .16s ease-out,background-color .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out,color .16s ease-out,filter .16s ease-out;
}
.btn-primary{background:var(--brand);color:#04140F;box-shadow:var(--glow);}
.btn-primary:hover{background:var(--brand);color:#04140F;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;border-color:rgba(147,180,214,.28);color:var(--text-1);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.text-link{font-size:14px;color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.text-link:hover{text-decoration-thickness:2px;}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(147,180,214,.28);
  font-size:12px;letter-spacing:.06em;
  color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.badge-brand{border-color:rgba(22,194,176,.45);color:var(--brand);background:var(--brand-soft);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(147,180,214,.24);
  font-size:13px;color:var(--text-2);
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.chip strong{color:var(--text-1);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  background-image:linear-gradient(90deg,rgba(5,10,18,.94) 0%,rgba(5,10,18,.80) 48%,rgba(5,10,18,.48) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(22,194,176,.5),transparent);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(147,180,214,.4);}
.breadcrumb .current{color:var(--text-1);}
.hero-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.page-title{
  font-size:clamp(28px,4vw,44px);
  line-height:1.25;
  font-weight:700;
  max-width:22em;
  margin-bottom:16px;
}
.page-title em{font-style:normal;color:var(--brand);}
.page-sub{
  max-width:62ch;font-size:16px;color:var(--text-2);line-height:1.85;margin-bottom:24px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-space) 0;}
.section-alt{background:var(--ink-700);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:70ch;}
.section-head .badge{margin-bottom:14px;}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:600;margin-bottom:12px;}
.section-desc{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- 左侧索引 ---------- */
.index-col{padding-top:10px;}
.index-panel{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.index-title{
  font-size:16px;font-weight:600;color:var(--text-1);
  padding-bottom:12px;margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.index-nav li+li{margin-top:2px;}
.index-nav a{
  display:block;
  padding:9px 10px;
  font-size:14px;
  color:var(--text-2);
  border-radius:8px;
  border-left:2px solid transparent;
  transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.index-nav a:hover{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand);transform:translateX(2px);}
.index-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.7;
}
.index-meta{display:flex;align-items:baseline;justify-content:space-between;margin-top:14px;font-size:12.5px;color:var(--text-3);}
.index-meta strong{color:var(--accent);font-size:18px;font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 方案卡片 ---------- */
.plan-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(147,180,214,.3);}
.plan-media{position:relative;overflow:hidden;background:linear-gradient(160deg,#0f2438,#08111E);}
.plan-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 1.2s ease-out;}
.plan-card:hover .plan-media img{transform:scale(1.03);}
.plan-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,0) 45%,rgba(5,10,18,.55) 100%);
}
.plan-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;color:var(--accent);
  background:rgba(5,10,18,.6);
  border:1px solid rgba(242,160,61,.55);
}
.plan-body{display:flex;flex-direction:column;flex:1;padding:20px;}
.plan-body .badge{align-self:flex-start;margin-bottom:12px;}
.plan-body h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:8px;}
.plan-sum{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:6px;}
.spec-list{
  display:grid;grid-template-columns:auto 1fr;
  margin-top:12px;font-size:13.5px;
}
.spec-list dt{
  padding:8px 0;color:var(--text-3);border-top:1px solid var(--line);white-space:nowrap;
}
.spec-list dd{
  padding:8px 0;border-top:1px solid var(--line);
  text-align:right;color:var(--text-1);
  font-variant-numeric:tabular-nums;
}
.plan-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:18px;
}
.price{color:var(--accent);font-size:20px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.price small{font-size:12px;font-weight:400;color:var(--text-3);margin-left:4px;letter-spacing:0;}

/* ---------- 交付节奏 ---------- */
.rhythm{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.rhythm-item{padding:22px 20px;border-left:1px solid var(--line);}
.rhythm-item:first-child{border-left:0;}
.rhythm-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-soft);border:1px solid rgba(22,194,176,.32);
  color:var(--brand);font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.rhythm-item h3{font-size:16px;margin-bottom:6px;}
.rhythm-item p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0;}
.rhythm-time{
  display:block;margin-top:10px;font-size:12.5px;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}

/* ---------- 配置组合 ---------- */
.combo{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.combo:hover{border-color:rgba(22,194,176,.4);box-shadow:var(--shadow-2);}
.combo-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.combo-head h3{font-size:18px;}
.combo-price{font-size:14px;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap;}
.combo-items{margin-top:6px;}
.combo-items li{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 0;font-size:14px;color:var(--text-2);
  border-bottom:1px dashed rgba(147,180,214,.14);
}
.combo-items li:last-child{border-bottom:0;}
.combo-items li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  margin-top:9px;background:var(--brand);
}
.combo-items strong{color:var(--text-1);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-shell{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;text-align:left;
  padding:20px 4px;
  font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .18s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;position:relative;
  width:22px;height:22px;border-radius:6px;
  border:1px solid rgba(147,180,214,.3);
  transition:transform .28s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;}
.faq-item.is-open .faq-icon{transform:rotate(90deg);border-color:var(--brand);background:var(--brand-soft);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:74ch;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  border-radius:20px;
  padding:40px;
  background:linear-gradient(120deg,rgba(22,194,176,.16),rgba(16,36,58,.9) 55%),var(--surface);
  border:1px solid rgba(22,194,176,.32);
  box-shadow:var(--glow);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-text h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px;}
.cta-text p{font-size:14.5px;color:var(--text-2);max-width:52ch;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.cta-note{flex:1 1 100%;font-size:12.5px;color:var(--text-3);}

/* ---------- 相关入口 ---------- */
.related-list{border-top:1px solid var(--line);}
.related-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  transition:padding-left .2s ease-out,background-color .2s ease-out;
}
.related-row:hover{padding-left:10px;background:rgba(22,194,176,.05);}
.related-row .row-main{display:flex;align-items:center;gap:14px;min-width:0;}
.related-row h3{font-size:16px;font-weight:600;}
.related-row span.row-desc{display:block;font-size:13px;color:var(--text-3);margin-top:2px;}
.related-row .row-go{font-size:13px;color:var(--brand);white-space:nowrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding-top:56px;
  margin-top:0;
}
.footer-grid{padding-bottom:36px;}
.footer-col{padding-top:10px;padding-bottom:18px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:17px;font-weight:700;}
.footer-about{font-size:13px;color:var(--text-2);line-height:1.75;max-width:30ch;}
.footer-title{
  font-size:14px;font-weight:600;color:var(--text-1);
  margin-bottom:14px;
}
.footer-links li+li{margin-top:9px;}
.footer-links a{
  font-size:13px;color:var(--text-2);
  transition:color .18s ease-out,transform .18s ease-out;
  display:inline-block;
}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-info{font-size:12.5px;color:var(--text-3);line-height:1.9;}
.footer-info strong{color:var(--text-2);font-weight:600;margin-right:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 0 26px;
  border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--section-space:72px;}
  .index-panel{position:static;top:auto;}
  .rhythm{grid-template-columns:repeat(2,1fr);}
  .rhythm-item:nth-child(3){border-left:0;border-top:1px solid var(--line);}
  .rhythm-item:nth-child(4){border-top:1px solid var(--line);}
  .cta-panel{padding:32px 26px;}
}

@media (max-width:768px){
  .rl-wrap{padding-left:16px;padding-right:16px;}
  .grid-margin-x>.cell{padding-left:7px;padding-right:7px;}
  .grid-margin-y>.cell{padding-top:7px;padding-bottom:7px;}
  .channel-inner{height:auto;padding-top:6px;padding-bottom:6px;}
  .channel-list{
    overflow-x:auto;
    white-space:nowrap;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding-bottom:2px;
  }
  .channel-list::-webkit-scrollbar{display:none;}
  .channel-list a{display:inline-block;padding:8px 12px;}
  .channel-status{display:none;}
  .brand-en{display:none;}
}

@media (max-width:640px){
  body{font-size:15px;}
  :root{--section-space:56px;}
  .brand-inner{height:60px;}
  .header-tools .btn{height:36px;padding:0 14px;font-size:13.5px;}
  .page-hero{padding:44px 0 40px;}
  .page-sub{font-size:15px;}
  .section-head{margin-bottom:28px;}
  .plan-body{padding:16px;}
  .rhythm{grid-template-columns:1fr;}
  .rhythm-item{border-left:0;border-top:1px solid var(--line);}
  .rhythm-item:first-child{border-top:0;}
  .cta-panel{padding:26px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .related-row{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:15px;padding:16px 2px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink-900:#050A12;
  --ink-800:#08111E;
  --ink-700:#0C1A2B;
  --surface:#10243A;
  --surface-2:#16304B;
  --line:rgba(147,180,214,.16);
  --brand:#16C2B0;
  --brand-strong:#0E9A8C;
  --brand-soft:rgba(22,194,176,.12);
  --accent:#F2A03D;
  --paper:#F4F8FB;
  --paper-line:#DCE6EF;
  --paper-text:#14212E;
  --paper-text-2:#4E6172;
  --text-1:#E9F1FA;
  --text-2:#A6B8CD;
  --text-3:#6F8299;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 2px 8px rgba(3,8,16,.40);
  --shadow-2:0 18px 44px rgba(3,8,16,.55);
  --glow:0 0 0 1px rgba(22,194,176,.35),0 10px 30px rgba(22,194,176,.22);
  --wrap:1200px;
  --sec:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;}
a:hover{color:#43DCCB;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
input,textarea,select{font-family:inherit;font-size:15px;}
.num{font-variant-numeric:tabular-nums;}

.rl-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ---------- Foundation 栅格补强 ---------- */
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x>.cell{width:100%;min-width:0;}
.grid-margin-x{margin-left:-10px;margin-right:-10px;}
.grid-margin-x>.cell{padding-left:10px;padding-right:10px;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,17,30,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease-out;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(3,8,16,.55);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);border:1px solid rgba(22,194,176,.28);
}
.brand-text{font-size:20px;font-weight:700;letter-spacing:.02em;}
.brand-en{font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--brand);margin-left:6px;}
.header-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);
  transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(22,194,176,.5);background:var(--brand-soft);}

.channel-bar{overflow:hidden;transition:height .28s ease-out,opacity .24s ease-out;}
.site-header.is-scrolled .channel-bar{height:0;opacity:0;}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:6px;padding-bottom:6px;}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-block;white-space:nowrap;
  padding:8px 12px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-2);
  border-bottom:2px solid transparent;
  transition:all .18s ease-out;
}
.channel-list a:hover{color:var(--text-1);background:var(--brand-soft);}
.channel-list a.active{color:var(--brand);border-bottom-color:var(--brand);border-radius:0;background:transparent;font-weight:600;}
.channel-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);white-space:nowrap;}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(22,194,176,.16);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,border-color .16s ease-out,color .16s ease-out;
}
.btn-primary{background:var(--brand);color:#04141C;box-shadow:0 8px 22px rgba(22,194,176,.24);}
.btn-primary:hover{background:#25D5C3;color:#04141C;transform:translateY(-2px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);background:var(--brand-strong);}
.btn-ghost{background:transparent;border-color:rgba(147,180,214,.30);color:var(--text-1);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--text-1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px;}
.text-link{color:var(--brand);font-size:14px;font-weight:500;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.text-link:hover{text-decoration-thickness:2px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--ink-700);}
.section-paper{background:var(--paper);color:var(--paper-text);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:600;letter-spacing:-.01em;}
.section-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2);}
.section-paper .section-sub{color:var(--paper-text-2);}
.section-paper .eyebrow{color:var(--brand-strong);}
.section-paper .eyebrow::before{background:var(--brand-strong);}

/* ---------- 内页横幅 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,10,18,.94) 0%,rgba(8,17,30,.80) 52%,rgba(8,17,30,.52) 100%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;
  padding-top:76px;padding-bottom:76px;
}
.hero-kicker{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);background:var(--brand-soft);border:1px solid rgba(22,194,176,.3);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero-sub{font-size:17px;color:var(--text-2);margin-bottom:14px;}
.hero-desc{font-size:15px;line-height:1.9;color:var(--text-2);max-width:620px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  border:1px solid rgba(147,180,214,.26);
  background:rgba(255,255,255,.03);
  transition:all .18s ease-out;
}
.chip:hover{color:var(--brand);border-color:rgba(22,194,176,.5);background:var(--brand-soft);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

.glass{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:20px;
}
.hero-panel{padding:24px;box-shadow:var(--shadow-2);}
.panel-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:4px;}
.panel-note{font-size:12px;color:var(--text-3);margin-bottom:16px;}
.panel-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:13px 0;border-top:1px solid rgba(255,255,255,.09);
}
.panel-row:first-of-type{border-top:0;}
.panel-key{font-size:13px;color:var(--text-2);}
.panel-val{font-size:20px;font-weight:700;color:var(--text-1);}
.panel-val.accent{color:var(--accent);}
.panel-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);
}

/* ---------- 能力带 ---------- */
.cap-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1);
}
.cap-item{
  position:relative;padding:28px 22px 30px;
  border-right:1px solid var(--line);
  transition:background-color .2s ease-out;
}
.cap-item:last-child{border-right:0;}
.cap-item:hover{background:var(--surface-2);}
.cap-num{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  display:inline-block;margin-bottom:14px;
}
.cap-item h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:10px;}
.cap-item p{font-size:14px;line-height:1.8;color:var(--text-2);}
.cap-tag{
  display:inline-block;margin-top:14px;
  font-size:12px;color:var(--text-3);
  border-top:1px solid var(--line);padding-top:10px;width:100%;
}

/* ---------- 交替图文 ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:34px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--line);}
.alt-row.reverse .alt-media{order:2;}
.alt-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:16/10;background:linear-gradient(160deg,var(--surface-2),var(--ink-900));
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease-out;}
.alt-media:hover img{transform:scale(1.03);}
.alt-body h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:12px;}
.alt-body > p{font-size:15px;line-height:1.9;color:var(--text-2);margin-bottom:18px;}
.point-list{display:grid;gap:10px;}
.point-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.75;color:var(--text-2);
}
.point-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;
  background:var(--brand);
}

/* ---------- 时间轴 ---------- */
.timeline-wrap{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:start;}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(22,194,176,.6),rgba(22,194,176,.05));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--ink-800);border:2px solid var(--brand);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.tl-ver{
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border:1px solid rgba(22,194,176,.28);
  padding:2px 10px;border-radius:999px;
}
.tl-date{font-size:12px;color:var(--text-3);}
.tl-item h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.tl-item p{font-size:14px;line-height:1.8;color:var(--text-2);}
.tl-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);}
.tl-side h3{font-size:18px;font-weight:600;margin-bottom:12px;}
.tl-side p{font-size:14px;line-height:1.85;color:var(--text-2);margin-bottom:18px;}
.tl-side .mini-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);
}
.tl-side .mini-row strong{color:var(--text-1);font-weight:600;}

/* ---------- 指标带 ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--paper-line);background:#fff;
}
.metric-item{
  padding:28px 22px;border-right:1px solid var(--paper-line);
}
.metric-item:last-child{border-right:0;}
.metric-val{font-size:30px;font-weight:700;color:var(--paper-text);letter-spacing:-.02em;line-height:1.15;}
.metric-val span{font-size:15px;font-weight:600;margin-left:2px;color:var(--paper-text-2);}
.metric-key{margin-top:8px;font-size:14px;font-weight:600;color:var(--paper-text);}
.metric-desc{margin-top:4px;font-size:13px;line-height:1.7;color:var(--paper-text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease-out;
}
.faq-item:hover{border-color:rgba(22,194,176,.34);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;position:relative;
  transition:transform .24s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .2s ease-out;}
.faq-item.open .faq-icon{transform:rotate(90deg);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease-out;
}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{
  padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-box{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(22,194,176,.32);
  background:linear-gradient(120deg,var(--surface) 0%,var(--ink-700) 100%);
  padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--glow);
}
.cta-box h2{font-size:clamp(20px,2.4vw,28px);font-weight:600;line-height:1.35;margin-bottom:10px;}
.cta-box p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--text-3);padding-top:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{margin:0 8px;color:var(--text-3);}
.breadcrumb .current{color:var(--text-1);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding-top:64px;margin-top:0;}
.footer-grid{gap:32px 0;}
.footer-col{padding-bottom:8px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:18px;font-weight:700;}
.footer-about{font-size:13px;line-height:1.85;color:var(--text-2);max-width:280px;}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:13px;color:var(--text-2);display:inline-block;
  transition:color .18s ease-out,transform .18s ease-out;
}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-info{font-size:13px;line-height:1.9;color:var(--text-3);}
.footer-info strong{color:var(--text-2);font-weight:600;margin-right:6px;}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .cell.medium-6{width:50%;}
}
@media (min-width:1025px){
  .cell.large-3{width:25%;}
}

@media (max-width:1024px){
  :root{--sec:72px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-top:56px;padding-bottom:56px;}
  .cap-band{grid-template-columns:repeat(2,1fr);}
  .cap-item:nth-child(2){border-right:0;}
  .cap-item:nth-child(1),.cap-item:nth-child(2){border-bottom:1px solid var(--line);}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:28px 0;}
  .alt-row.reverse .alt-media{order:0;}
  .timeline-wrap{grid-template-columns:1fr;gap:28px;}
  .metric-band{grid-template-columns:repeat(2,1fr);}
  .metric-item:nth-child(2){border-right:0;}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid var(--paper-line);}
  .cta-box{flex-direction:column;align-items:flex-start;gap:24px;padding:36px 28px;}
  .channel-inner{flex-direction:column;align-items:flex-start;gap:4px;padding-bottom:10px;}
}

@media (max-width:640px){
  :root{--sec:56px;}
  .rl-wrap{padding:0 16px;}
  body{font-size:15px;}
  .brand-text{font-size:17px;}
  .brand-en{font-size:11px;letter-spacing:.12em;}
  .header-tools .icon-btn{display:none;}
  .channel-status{display:none;}
  .page-hero h1{font-size:26px;}
  .hero-panel{padding:20px;}
  .cap-band{grid-template-columns:1fr;}
  .cap-item{border-right:0;border-bottom:1px solid var(--line);}
  .cap-item:last-child{border-bottom:0;}
  .metric-band{grid-template-columns:1fr;}
  .metric-item{border-right:0;border-bottom:1px solid var(--paper-line);}
  .metric-item:last-child{border-bottom:0;}
  .cta-box{padding:28px 20px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .hero-actions{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --ink-900:#050A12;
  --ink-800:#08111E;
  --ink-700:#0C1A2B;
  --surface:#10243A;
  --surface-2:#16304B;
  --line:rgba(147,180,214,.16);
  --line-strong:rgba(147,180,214,.28);
  --brand:#16C2B0;
  --brand-strong:#0E9A8C;
  --brand-soft:rgba(22,194,176,.12);
  --accent:#F2A03D;
  --paper:#F4F8FB;
  --paper-line:#DCE6EF;
  --paper-text:#14212E;
  --paper-text-2:#4E6172;
  --text-1:#E9F1FA;
  --text-2:#A6B8CD;
  --text-3:#6F8299;
  --shadow-1:0 2px 8px rgba(3,8,16,.40);
  --shadow-2:0 18px 44px rgba(3,8,16,.55);
  --glow:0 0 0 1px rgba(22,194,176,.35),0 10px 30px rgba(22,194,176,.22);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sec:96px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--ink-800);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-strong)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}

:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.rl-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

.section{padding:var(--sec) 0}
.section-alt{background:var(--ink-700)}
.section-head{margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--brand);
  border:1px solid rgba(22,194,176,.35);background:var(--brand-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:16px;font-weight:600;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:600;color:var(--text-1);
}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2);max-width:760px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,17,30,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-bar{height:64px;display:flex;align-items:center}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:rgba(22,194,176,.08);border:1px solid var(--line)}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em}
.brand-en{font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.18em;margin-left:6px;vertical-align:2px}
.header-tools{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;padding:13px 22px;
  cursor:pointer;text-align:center;transition:all .16s ease-out;
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:999px}
.btn-primary{
  background:var(--brand);color:#04211E;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 6px 18px rgba(22,194,176,.20);
}
.btn-primary:hover{background:#1AD2BF;color:#04211E;transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),var(--glow)}
.btn-primary:active{transform:translateY(0);background:#12AC9C;box-shadow:none}
.btn-ghost{
  background:transparent;color:var(--text-1);border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}

.channel-bar{border-top:1px solid var(--line);background:rgba(5,10,18,.55);max-height:64px;overflow:hidden;transition:max-height .3s ease,opacity .24s ease}
.site-header.is-condensed .channel-bar{max-height:0;opacity:0}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.channel-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  display:block;white-space:nowrap;padding:15px 12px;font-size:15px;color:var(--text-2);
  border-bottom:2px solid transparent;border-radius:10px 10px 0 0;
}
.channel-list a:hover{color:var(--text-1);background:var(--brand-soft)}
.channel-list a.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.channel-status{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);
  white-space:nowrap;margin:0;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(22,194,176,.14)}

/* ---------- 内页横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,10,18,.94) 0%,rgba(5,10,18,.80) 46%,rgba(8,17,30,.52) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:78px 0 72px;max-width:820px}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:20px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--text-1)}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;color:#F2F8FF;
}
.page-hero .lead{margin-top:18px;font-size:16px;color:var(--text-2);max-width:700px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-1);
  border:1px solid var(--line-strong);background:rgba(16,36,58,.72);
  padding:8px 14px;border-radius:999px;
}
.hero-tags li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ---------- 服务条目 + 联系卡 ---------- */
.split-grid{align-items:flex-start}
.svc-list{display:flex;flex-direction:column;gap:14px}
.svc-item{
  display:flex;gap:18px;padding:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.svc-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(22,194,176,.42)}
.svc-num{
  flex:0 0 46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border:1px solid rgba(22,194,176,.34);
}
.svc-body h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--text-1)}
.svc-body p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}
.svc-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;
}
.svc-meta span{
  font-size:12px;letter-spacing:.04em;color:var(--brand);
  border:1px solid rgba(22,194,176,.28);background:rgba(22,194,176,.08);
  padding:4px 10px;border-radius:999px;
}

.sticky-card{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);
  padding:26px;
}
.sticky-card h3{font-size:20px;font-weight:600;color:var(--text-1)}
.sticky-card .card-sub{margin-top:8px;font-size:14px;color:var(--text-2)}
.info-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.info-list li{
  display:flex;justify-content:space-between;gap:14px;align-items:baseline;
  padding-bottom:12px;border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--text-2);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list strong{color:var(--text-1);font-weight:600}
.info-list .val{color:var(--brand);font-weight:600;white-space:nowrap}

.contact-form{margin-top:22px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;font-weight:500}
.field input,.field textarea{
  width:100%;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--text-1);padding:12px 14px;
  min-height:44px;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,194,176,.16)}
.form-tip{font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-tip.is-ok{color:var(--brand)}

/* ---------- 浅色保障带 ---------- */
.guard-band{background:var(--paper);border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line)}
.guard-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.guard-item{
  display:flex;align-items:center;gap:14px;padding:26px 22px;
  border-left:1px solid var(--paper-line);
}
.guard-item:first-child{border-left:0}
.guard-icon{
  flex:0 0 38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(22,194,176,.14);color:#0E9A8C;
}
.guard-text strong{display:block;font-size:14.5px;font-weight:600;color:var(--paper-text);line-height:1.5}
.guard-text span{display:block;font-size:12.5px;color:var(--paper-text-2);line-height:1.6;margin-top:2px}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(22,194,176,.36)}
.scene-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0C1A2B,#10243A)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease-out}
.scene-card:hover .scene-thumb img{transform:scale(1.03)}
.scene-body{padding:20px}
.scene-body h3{font-size:18px;font-weight:600;color:var(--text-1);line-height:1.45}
.scene-body p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 流程时间线 ---------- */
.flow{position:relative;display:flex;flex-direction:column;gap:16px;padding-left:6px}
.flow::before{content:"";position:absolute;left:33px;top:26px;bottom:26px;width:1px;background:var(--line-strong)}
.flow-item{position:relative;display:flex;gap:22px;align-items:flex-start}
.flow-num{
  position:relative;z-index:2;flex:0 0 56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--brand);
  background:var(--ink-700);border:1px solid rgba(22,194,176,.36);
}
.flow-body{
  flex:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.flow-body h3{font-size:18px;font-weight:600;color:var(--text-1)}
.flow-body p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 对比矩阵 ---------- */
.matrix-scroll{overflow-x:auto;padding-bottom:4px;margin-top:8px}
.matrix{
  min-width:760px;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:var(--ink-700);
}
.matrix-row{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;border-top:1px solid var(--line)}
.matrix-row:first-child{border-top:0}
.matrix-head{background:var(--surface-2)}
.matrix-row:not(.matrix-head):hover{background:rgba(22,194,176,.05)}
.matrix-cell{padding:16px 18px;font-size:14px;color:var(--text-2);border-left:1px solid var(--line);line-height:1.6}
.matrix-cell:first-child{border-left:0;color:var(--text-1);font-weight:600}
.matrix-head .matrix-cell{color:var(--text-1);font-weight:600;font-size:15px}
.matrix-head .matrix-cell:first-child{color:var(--text-3);font-weight:500;font-size:13px;letter-spacing:.06em}
.matrix-cell em{font-style:normal;color:var(--accent);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;color:var(--text-1);
  font-size:16px;font-weight:600;line-height:1.6;transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 26px;height:26px;border-radius:8px;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:16px;line-height:1;
  transition:transform .26s ease,border-color .2s ease,background-color .2s ease;
}
.faq-q:hover .faq-icon{border-color:var(--brand);background:var(--brand-soft)}
.faq-item.is-open .faq-icon{transform:rotate(90deg);border-color:var(--brand);background:var(--brand-soft)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 4px 22px;margin:0;font-size:15px;line-height:1.8;color:var(--text-2);max-width:800px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid rgba(22,194,176,.28);
  background:linear-gradient(120deg,#0C1A2B 0%,#10243A 52%,#0C1A2B 100%);
  box-shadow:var(--glow);
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-panel h2{font-size:clamp(20px,2.4vw,28px);font-weight:600;color:var(--text-1);line-height:1.35}
.cta-panel p{margin-top:12px;font-size:14.5px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-note{margin-top:14px;font-size:13px;color:var(--text-3);width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{row-gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-about{font-size:13px;color:var(--text-2);line-height:1.8;max-width:300px}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:var(--text-2);display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-info{font-size:13px;color:var(--text-2);line-height:1.9}
.footer-info strong{color:var(--text-1);font-weight:600;margin-right:6px}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--sec:72px}
  .guard-inner{grid-template-columns:repeat(2,1fr)}
  .guard-item:nth-child(3){border-left:0}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-bottom:1px solid var(--paper-line)}
  .sticky-card{position:static;margin-top:8px}
  .channel-status{display:none}
}

@media screen and (max-width:760px){
  .scene-grid{grid-template-columns:1fr}
  .cta-panel{padding:30px 24px}
}

@media screen and (max-width:640px){
  :root{--sec:56px}
  body{font-size:15px}
  .rl-wrap{padding:0 16px}
  .brand-text{font-size:17px}
  .brand-en{font-size:11px;letter-spacing:.14em}
  .header-tools .btn-sm{padding:9px 14px;font-size:13px}
  .icon-btn{display:none}
  .channel-list a{padding:13px 10px;font-size:14px}
  .page-hero-inner{padding:56px 0 52px}
  .svc-item{padding:18px;gap:14px}
  .svc-num{flex:0 0 40px;height:40px;border-radius:12px;font-size:14px}
  .svc-body h3{font-size:17px}
  .guard-inner{grid-template-columns:1fr}
  .guard-item{border-left:0;border-bottom:1px solid var(--paper-line)}
  .guard-item:last-child{border-bottom:0}
  .flow::before{display:none}
  .flow-item{flex-direction:column;gap:12px}
  .flow-num{flex:0 0 46px;height:46px;border-radius:13px}
  .sticky-card{padding:20px}
  .faq-q{padding:18px 2px;font-size:15.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}