/* roulang page: index */
:root{
  --brand:#E8552B;
  --brand-hover:#C23F1C;
  --brand-active:#A83518;
  --ink:#123B39;
  --ink-soft:#E7F0EE;
  --gold:#F3A73C;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --line:#EDE6DC;
  --divider:#F0EAE1;
  --text:#1E1E20;
  --text-2:#6E6660;
  --text-3:#A9A29C;
  --ok:#1F9D6B;
  --warn:#C2410C;
  --empty:#B9B2AB;
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-hero:24px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(18,59,57,.06);
  --sh-2:0 12px 28px rgba(18,59,57,.12);
  --sh-3:0 20px 48px rgba(18,59,57,.16);
  --max:1200px;
  --sec-y:88px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  padding-bottom:0;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:var(--sec-y) 0}
.section--tight{padding:56px 0}
.section--soft{background:var(--ink-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .lead{max-width:720px}
.section-title{font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:3px;background:var(--brand)}
.section-desc{margin-top:12px;color:var(--text-2);font-size:16px}
.section-more{flex:none;font-size:15px;font-weight:600;color:var(--ink);border-bottom:2px solid transparent;padding-bottom:2px}
.section-more:hover{color:var(--brand);border-bottom-color:var(--brand)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:#FDEFE9;border:1px solid #F7D8CA;border-radius:var(--r-pill);padding:6px 14px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,107,.18)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:16px;font-weight:600;line-height:1;transition:transform .18s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(232,85,43,.24)}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:var(--brand-active);transform:translateY(0)}
.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.btn-secondary:hover{background:var(--ink-soft);color:var(--ink)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:#FBF7F1;color:var(--ink)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* header */
.site-header{position:sticky;top:0;z-index:90;background:var(--ink);box-shadow:0 2px 12px rgba(18,59,57,.18)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 24px;height:var(--nav-h);display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;position:relative;overflow:hidden}
.logo-mark::after{content:"";position:absolute;right:6px;top:9px;bottom:9px;width:2px;border-radius:2px;background:rgba(255,255,255,.75)}
.logo-text{color:#fff;font-size:18px;font-weight:700;line-height:1.2}
.logo-text small{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.62);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1}
.nav-link{position:relative;color:rgba(255,255,255,.78);font-size:15px;padding:10px 14px;border-radius:10px;font-weight:500}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:transparent;transform:translateY(4px);transition:transform .2s ease,background-color .2s ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link:hover::after{background:var(--brand);transform:translateY(0)}
.nav-link.active{color:#fff}
.nav-link.active::after{background:var(--brand);transform:translateY(0)}
.nav-side{display:flex;align-items:center;gap:12px;flex:none}
.nav-cta{height:42px;padding:0 20px;font-size:15px}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;color:#fff;background:rgba(255,255,255,.1)}
.menu-btn svg{width:22px;height:22px}
.drawer{display:none;background:var(--ink);border-top:1px solid rgba(255,255,255,.12);padding:10px 24px 20px}
.drawer.open{display:block}
.drawer a{display:block;color:rgba(255,255,255,.82);padding:13px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer a:last-child{border-bottom:0}
.drawer a.active,.drawer a:hover{color:#fff}
.drawer .btn{margin-top:14px;width:100%}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 88px}
.hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.12}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(251,247,241,.55) 0%,rgba(251,247,241,.96) 72%,var(--bg) 100%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.hero-title{font-size:48px;line-height:1.22;font-weight:700;color:var(--ink);margin-top:20px}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:18px;font-size:18px;color:var(--text-2);line-height:1.85;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 14px;box-shadow:var(--sh-1)}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}
.hero-cards{display:grid;grid-template-columns:1.1fr 1fr;gap:22px;align-items:start}
.phone-card{position:relative;border-radius:var(--r-hero);overflow:hidden;background:#fff;box-shadow:var(--sh-1);border:1px solid var(--line)}
.phone-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.phone-card:hover img{transform:scale(1.03)}
.phone-card.main{aspect-ratio:9/16;box-shadow:var(--sh-2)}
.phone-card.sub{aspect-ratio:3/4;margin-bottom:22px}
.phone-card.sub.b{transform:translateY(34px)}
.phone-card .cap{position:absolute;left:0;right:0;bottom:0;padding:38px 16px 16px;background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.72) 100%);color:#fff;font-size:14px;font-weight:600;line-height:1.5}
.phone-card .time-badge{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.62);color:#fff;font-size:12px;border-radius:2px;padding:2px 8px}
.phone-card .hot-badge{position:absolute;left:12px;top:12px;background:var(--brand);color:#fff;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:4px 12px}

/* stats */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stat-num{font-size:34px;font-weight:700;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num span{font-size:16px;color:var(--text-2);font-weight:600;margin-left:2px}
.stat-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--ink)}
.stat-note{margin-top:6px;font-size:13px;color:var(--text-3)}

/* rail / clip cards */
.rail{position:relative}
.rail-inner{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.rail-inner::-webkit-scrollbar{height:6px}
.rail-inner::-webkit-scrollbar-thumb{background:#DED5C8;border-radius:6px}
.clip-card{flex:0 0 220px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.clip-cover{position:relative;aspect-ratio:3/4;overflow:hidden}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.clip-card:hover .clip-cover img{transform:scale(1.03)}
.clip-cover .time-badge{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.62);color:#fff;font-size:12px;border-radius:2px;padding:2px 7px}
.clip-body{padding:12px 14px 16px}
.clip-title{font-size:15px;line-height:1.5;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-meta{margin-top:10px;display:flex;align-items:center;gap:8px}
.tag{display:inline-block;font-size:13px;line-height:1.4;color:var(--ink);background:var(--ink-soft);border-radius:var(--r-pill);padding:3px 11px}
.tag--hot{background:var(--brand);color:#fff}
.rail-hint{display:none;font-size:13px;color:var(--text-3)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);position:relative;transition:transform .2s ease,box-shadow .2s ease}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;color:var(--brand);border:2px solid var(--brand);background:#fff}
.step-item h3{margin-top:16px;font-size:20px;font-weight:600;color:var(--ink)}
.step-item p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8}
.step-item .bar{margin-top:18px;height:6px;border-radius:6px;background:var(--divider);overflow:hidden}
.step-item .bar i{display:block;height:100%;border-radius:6px;background:var(--brand)}

/* checklist */
.check-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.check-row{display:flex;align-items:center;gap:22px;padding:22px 26px;border-bottom:1px solid var(--divider);transition:background-color .2s ease}
.check-row:last-child{border-bottom:0}
.check-row:hover{background:var(--bg)}
.row-num{flex:none;font-size:40px;font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--brand);font-variant-numeric:tabular-nums;min-width:56px}
.row-text{flex:1;min-width:0}
.row-text h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink)}
.row-text p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7}
.row-thumb{flex:none;width:88px;height:88px;border-radius:12px;overflow:hidden;background:var(--ink-soft)}
.row-thumb img{width:100%;height:100%;object-fit:cover}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.time-dot{display:inline-flex;align-items:center;gap:6px}
.time-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.news-title{margin-top:12px;font-size:18px;font-weight:600;line-height:1.45;color:var(--text)}
.news-title a{color:inherit}
.news-title a:hover{color:var(--brand)}
.news-excerpt{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px}
.read-more{font-size:14px;font-weight:600;color:var(--ink)}
.read-more::after{content:" →"}
.empty-state{grid-column:1/-1;text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);padding:48px 24px}
.empty-art{width:120px;height:88px;margin:0 auto 18px;border-radius:14px;background:linear-gradient(135deg,#F3EFE8,#E7F0EE);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:var(--empty)}
.empty-state p{color:var(--text-2);font-size:16px}
.empty-state .links{margin-top:14px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.empty-state .links a{font-size:14px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--brand)}
.empty-state .links a:hover{color:var(--brand)}

/* quotes */
.quote-card{flex:0 0 280px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1)}
.quote-top{display:flex;align-items:center;gap:12px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--ink-soft);color:var(--ink);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.quote-name{font-size:14px;font-weight:600;color:var(--ink)}
.stars{margin-left:auto;color:var(--gold);font-size:13px;line-height:1}
.quote-text{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* faq */
.faq{max-width:900px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 56px 22px 24px;font-size:18px;font-weight:600;color:var(--ink);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--brand);transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 24px 22px;font-size:16px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--divider);margin-top:0;padding-top:18px}

/* cta */
.cta-band{background:var(--ink);border-radius:var(--r-hero);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-2);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(232,85,43,.22)}
.cta-band .cta-text{position:relative;z-index:1}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:16px;max-width:620px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex:none;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:var(--brand)}
.footer-brand span{color:#fff;font-size:18px;font-weight:700}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h3{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff;border-bottom:1px solid var(--brand)}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-contact .status{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:#fff;background:rgba(255,255,255,.1);border-radius:var(--r-pill);padding:6px 14px}
.footer-contact .status i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.56)}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* to top */
.to-top{position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);display:flex;align-items:center;justify-content:center;color:var(--ink);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .25s ease;z-index:70}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{color:var(--brand);transform:translateY(-2px)}

/* mobile tab bar */
.tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 18px rgba(18,59,57,.08)}
.tabbar ul{display:flex}
.tabbar a{flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;color:var(--text-2);min-width:44px}
.tabbar svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.active{color:var(--brand)}

@media (max-width:1024px){
  .container{padding:0 20px}
  :root{--sec-y:64px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-title{font-size:38px}
  .hero-sub{max-width:none}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-side .nav-cta{display:none}
  .menu-btn{display:inline-flex}
  .nav-inner{gap:12px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85;padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  :root{--sec-y:48px;--nav-h:60px}
  .container{padding:0 16px}
  .hero{padding:44px 0 56px}
  .hero-title{font-size:28px;line-height:1.32}
  .hero-sub{font-size:16px;margin-top:14px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1;min-width:150px}
  .hero-cards{grid-template-columns:repeat(3,62vw);overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:14px;-webkit-overflow-scrolling:touch}
  .phone-card{scroll-snap-align:start}
  .phone-card.main{aspect-ratio:9/16}
  .phone-card.sub,.phone-card.sub.b{aspect-ratio:3/4;transform:none;margin-bottom:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .section-title{font-size:22px;padding-left:13px}
  .section-desc{font-size:15px}
  .stats-row{grid-template-columns:1fr;gap:14px}
  .steps{grid-template-columns:1fr}
  .clip-card{flex:0 0 160px}
  .rail-hint{display:block}
  .check-row{gap:14px;padding:18px 16px;align-items:flex-start}
  .row-num{font-size:30px;min-width:40px}
  .row-thumb{width:72px;height:72px}
  .news-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:18px 48px 18px 18px}
  .faq-body{padding:16px 18px 20px;font-size:15px}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .site-footer{margin-top:56px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:8px}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.12);padding:16px 0}
  .footer-col:last-child{border-bottom:0}
  .footer-col h3{margin-bottom:10px}
  .footer-about{max-width:none}
  .to-top{bottom:calc(72px + env(safe-area-inset-bottom))}
  .tabbar{display:block}
}
@media (max-width:480px){
  .hero-title{font-size:26px}
  .stat-num{font-size:28px}
  .quote-card{flex:0 0 240px}
}

/* roulang page: category1 */
:root{
  --brand:#E8552B;
  --brand-hover:#C23F1C;
  --brand-active:#A83518;
  --ink:#123B39;
  --ink-soft:#E7F0EE;
  --gold:#F3A73C;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --border:#EDE6DC;
  --line:#F0EAE1;
  --text:#1E1E20;
  --muted:#6E6660;
  --disabled:#A9A29C;
  --success:#1F9D6B;
  --warn:#C2410C;
  --empty:#B9B2AB;
  --radius-btn:999px;
  --radius-card:16px;
  --radius-hero:24px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-1:0 2px 8px rgba(18,59,57,.06);
  --shadow-2:0 12px 28px rgba(18,59,57,.12);
  --shadow-3:0 20px 48px rgba(18,59,57,.16);
  --container:1200px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  box-shadow:0 1px 0 rgba(255,255,255,.06);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:var(--nav-h);
}
.logo{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;
  white-space:nowrap;
}
.logo:hover{color:#fff;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:0;
}
.logo-bar{
  display:inline-block;width:3px;height:16px;border-radius:2px;
  background:var(--gold);margin-left:2px;
  animation:pulseBar 2.4s ease-in-out infinite;
}
@keyframes pulseBar{0%,100%{transform:scaleY(1);opacity:1;}50%{transform:scaleY(.55);opacity:.7;}}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  color:rgba(255,255,255,.78);
  font-size:15px;
  border-radius:10px;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateY(-1px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;margin-left:14px;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,85,43,.28);}
.nav-cta:active{background:var(--brand-active);transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid rgba(255,255,255,.24);border-radius:12px;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 抽屉 */
.drawer{
  display:none;
  background:var(--ink);
  border-top:1px solid rgba(255,255,255,.1);
  padding:12px 24px 22px;
}
.drawer.open{display:block;}
.drawer a{
  display:block;padding:13px 4px;
  color:rgba(255,255,255,.82);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer a.active{color:var(--gold);}
.drawer a:last-child{border-bottom:none;}

/* ============ 分类页页头 ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(180deg,rgba(18,59,57,.82),rgba(18,59,57,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 0 68px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(232,85,43,.28),transparent 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.62);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb span.sep{color:rgba(255,255,255,.36);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-btn);
  background:rgba(243,167,60,.16);
  border:1px solid rgba(243,167,60,.42);
  color:var(--gold);font-size:13px;
  margin-bottom:18px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block;}
.page-hero h1{
  font-size:46px;line-height:1.22;font-weight:700;
  max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--gold);}
.hero-sub{
  margin-top:16px;max-width:680px;
  font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.76);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:38px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-meta div{min-width:120px;}
.hero-meta b{display:block;font-size:24px;font-weight:700;color:#fff;line-height:1.3;}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.6);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(232,85,43,.3);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink-soft);color:var(--ink);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 通用板块 ============ */
main{display:block;}
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:#fff;}
.section.ink{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.between{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.02em;margin-bottom:10px;
}
.section-head h2{
  position:relative;
  font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.section.ink .section-head h2{color:#fff;}
.section.ink .section-head p{color:rgba(255,255,255,.72);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-size:15px;font-weight:600;
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-more:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* ============ 分类导览 ============ */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.guide-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#E2D8CB;}
.guide-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--ink-soft);color:var(--ink);
  font-size:15px;font-weight:700;
}
.guide-card h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.45;}
.guide-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.guide-card .tagline{margin-top:auto;font-size:13px;color:var(--brand);font-weight:600;}

/* ============ 要点清单 ============ */
.checklist{border-top:1px solid var(--line);}
.check-item{
  display:grid;grid-template-columns:84px 1fr auto;
  align-items:center;gap:24px;
  padding:26px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.check-item:hover{background:#FBF7F1;}
.check-num{
  font-size:40px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.6px var(--brand);
  padding-left:4px;
}
.check-body h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.check-body p{font-size:15px;color:var(--muted);line-height:1.78;}
.check-thumb{
  width:88px;height:88px;border-radius:12px;overflow:hidden;
  border:1px solid var(--border);background:var(--ink-soft);flex:none;
}
.check-thumb img{width:100%;height:100%;object-fit:cover;}

/* ============ 配图卡片区（不对称） ============ */
.feature-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:28px;
  align-items:start;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft);}
.feature-card.tall .feature-media{aspect-ratio:4/3;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.badge-duration{
  position:absolute;right:12px;bottom:12px;
  background:rgba(0,0,0,.62);color:#fff;
  font-size:12px;line-height:1;padding:5px 8px;border-radius:2px;
}
.feature-body{padding:24px 24px 26px;}
.feature-body h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:10px;line-height:1.45;}
.feature-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pill{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-btn);
  background:var(--ink-soft);color:var(--ink);font-size:13px;font-weight:500;
}
.pill.hot{background:var(--brand);color:#fff;}
.stack-col{display:grid;gap:28px;}

/* ============ 流程时间轴 ============ */
.steps{
  display:grid;gap:0;
  border-left:2px solid var(--border);
  margin-left:12px;
}
.step{
  position:relative;
  padding:0 0 34px 34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-9px;top:6px;
  width:16px;height:16px;border-radius:50%;
  background:var(--card);border:3px solid var(--brand);
}
.step h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.step p{font-size:15px;color:var(--muted);line-height:1.8;}
.step .step-tag{
  display:inline-block;margin-bottom:8px;
  font-size:13px;font-weight:600;color:var(--brand);
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#E2D8CB;box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-soft);color:var(--ink);
  font-size:17px;font-weight:600;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);
  border-radius:var(--radius-hero);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
  box-shadow:var(--shadow-2);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(243,167,60,.22),transparent 70%);
}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.35;color:#fff;position:relative;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;position:relative;}
.cta-band .btn{position:relative;flex:none;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:#fff;
  margin-top:88px;padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--gold);}
.footer-contact p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);}
.status{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;font-size:13px;color:rgba(255,255,255,.72);
}
.status i{width:8px;height:8px;border-radius:50%;background:var(--success);display:inline-block;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;
  border-top:1px solid var(--border);
  box-shadow:0 -4px 18px rgba(18,59,57,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{display:flex;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10px;color:var(--muted);
}
.mobile-tab a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.active{color:var(--brand);}
.mobile-tab a.active svg{stroke:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .page-hero h1{font-size:36px;}
  .section{padding:64px 0;}
  .guide-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-link{padding:8px 10px;font-size:14px;}
  .nav-cta{padding:0 18px;height:40px;}
  .cta-band{padding:36px 32px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85;padding-bottom:66px;}
  .container{padding:0 16px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .page-hero{padding:44px 0 50px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-meta{gap:20px;}
  .hero-meta b{font-size:20px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:22px;}
  .section-head.between{flex-direction:column;align-items:flex-start;}
  .guide-grid{grid-template-columns:1fr;gap:16px;}
  .check-item{grid-template-columns:56px 1fr;gap:16px;padding:20px 4px;}
  .check-thumb{display:none;}
  .check-num{font-size:32px;-webkit-text-stroke-width:1.3px;}
  .check-body h3{font-size:17px;}
  .cta-band{border-radius:var(--radius-card);padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:48px 0 22px;margin-top:56px;}
  .footer-bottom{flex-direction:column;font-size:12px;}
  .mobile-tab{display:block;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-meta div{min-width:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#E8552B;
  --brand-hover:#C23F1C;
  --brand-active:#A83518;
  --ink:#123B39;
  --ink-soft:#E7F0EE;
  --gold:#F3A73C;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --line:#EDE6DC;
  --divider:#F0EAE1;
  --text:#1E1E20;
  --muted:#6E6660;
  --disabled:#A9A29C;
  --ok:#1F9D6B;
  --warn:#C2410C;
  --empty:#B9B2AB;
  --radius-card:16px;
  --radius-hero:24px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-1:0 2px 8px rgba(18,59,57,.06);
  --shadow-2:0 12px 28px rgba(18,59,57,.12);
  --shadow-3:0 20px 48px rgba(18,59,57,.16);
  --container:1200px;
  --section-gap:88px;
}
*,*::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","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-size:clamp(28px,4vw,46px);line-height:1.22;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:0;}
.brand:hover{color:#fff;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:700;
  position:relative;overflow:hidden;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;right:9px;top:9px;width:2px;height:20px;
  background:rgba(255,255,255,.75);border-radius:2px;
  animation:barMove 2.6s ease-in-out infinite;
}
@keyframes barMove{0%,100%{transform:translateY(0);}50%{transform:translateY(-3px);}}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;color:rgba(255,255,255,.78);font-size:15px;
  padding:8px 12px;border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .22s ease;
}
.nav-link:hover{color:#fff;transform:translateY(-2px);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(232,85,43,.28);}
.nav-cta:active{background:var(--brand-active);transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  display:none;background:var(--ink);border-top:1px solid rgba(255,255,255,.08);
  padding:8px 0 18px;
}
.drawer.open{display:block;}
.drawer .container{display:flex;flex-direction:column;gap:2px;}
.drawer a{color:rgba(255,255,255,.82);padding:12px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07);}
.drawer a.active{color:var(--brand);font-weight:600;}

/* ---------- 页面头图 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(18,59,57,.86),rgba(18,59,57,.74)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:64px 0 60px;
}
.page-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:820px;}
.page-hero .hero-sub{
  color:rgba(255,255,255,.78);font-size:17px;margin:16px 0 0;max-width:660px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;color:rgba(255,255,255,.72);font-size:14px;}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 3px rgba(31,157,107,.22);}
.dot-gold{width:8px;height:8px;border-radius:50%;background:var(--gold);display:inline-block;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:18px 0 0;}
.crumb{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--empty);}
.crumb .now{color:var(--ink);font-weight:600;}

/* ---------- 主体 ---------- */
.main-section{padding:40px 0 var(--section-gap);}
.layout{
  display:grid;
  grid-template-columns:minmax(0,1.72fr) minmax(0,1fr);
  gap:36px;align-items:start;
}
.block{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:30px;margin-bottom:28px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.block:hover{box-shadow:var(--shadow-2);}
.block-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:10px;}
.block-head .bar{width:4px;height:26px;border-radius:3px;background:var(--brand);flex:0 0 auto;margin-top:5px;}
.block-desc{color:var(--muted);font-size:16px;margin:0 0 22px;}

.dual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.dual-card{
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  background:#fff;transition:transform .22s ease,box-shadow .22s ease;
}
.dual-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.dual-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft);}
.dual-card figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.dual-card:hover figure img{transform:scale(1.04);}
.dual-body{padding:18px 20px 22px;}
.tag{
  display:inline-block;font-size:13px;padding:4px 12px;border-radius:999px;
  background:var(--ink-soft);color:var(--ink);line-height:1.5;
}
.dual-body h3{margin:12px 0 8px;}
.dual-body p{margin:0;color:var(--muted);font-size:15px;line-height:1.75;}

/* 时间轴 */
.timeline{position:relative;padding-left:34px;margin-top:6px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(var(--brand),var(--ink-soft));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-item h3{font-size:18px;margin-bottom:6px;}
.tl-item p{margin:0;color:var(--muted);font-size:15px;}
.tl-step{
  font-size:13px;color:var(--warn);font-weight:600;margin-right:8px;
}

/* 侧栏 */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:24px;margin-bottom:24px;
}
.side-card h3{font-size:18px;margin-bottom:6px;}
.side-card .side-note{color:var(--muted);font-size:14px;margin:0 0 16px;}
.check-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--divider);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list .num{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;background:transparent;
}
.check-list .txt strong{display:block;font-size:16px;color:var(--ink);font-weight:600;margin-bottom:2px;}
.check-list .txt span{color:var(--muted);font-size:14px;line-height:1.7;display:block;}
.side-cover{margin:0 0 16px;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius-img);}
.side-cover img{width:100%;height:100%;object-fit:cover;}
.status-line{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ok);}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--divider);font-size:15px;color:var(--muted);}
.side-list li:last-child{border-bottom:0;}
.side-list li b{color:var(--ink);font-weight:600;}
.side-cta{
  background:var(--ink-soft);border-radius:var(--radius-card);padding:20px;
  text-align:left;
}
.side-cta p{margin:0 0 14px;font-size:15px;color:var(--ink);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,85,43,.26);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink-soft);color:var(--ink);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.link-arrow{
  color:var(--ink);font-weight:600;border-bottom:2px solid transparent;
}
.link-arrow:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* 场景标签区 */
.scene-tags{display:flex;flex-wrap:wrap;gap:10px;}
.scene-tags span{
  font-size:14px;color:var(--ink);background:var(--ink-soft);
  padding:8px 16px;border-radius:999px;
}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(232,85,43,.4);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:24px;width:12px;height:12px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item .faq-body{padding:0 20px 20px;color:var(--muted);font-size:16px;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* CTA 条 */
.cta-band{
  background:var(--ink);border-radius:var(--radius-hero);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;box-shadow:var(--shadow-2);color:#fff;margin-top:8px;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.74);margin:0;font-size:16px;}
.cta-band .btn-primary{flex:0 0 auto;}

/* 页脚 */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 26px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-about{font-size:15px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:15px;}
.footer-col a:hover{color:var(--brand);}
.footer-contact p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.66);margin:0 0 14px;}
.status{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.8);}
.status i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 3px rgba(31,157,107,.22);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  padding-top:22px;font-size:14px;color:rgba(255,255,255,.5);
}

/* 移动端底部 Tab */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:130;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(18,59,57,.08);
}
.tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10px;color:var(--muted);
}
.tabbar a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.active{color:var(--brand);font-weight:600;}

/* 返回顶部 */
.to-top{
  display:none;position:fixed;right:16px;bottom:78px;z-index:125;
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-2);align-items:center;justify-content:center;cursor:pointer;
  color:var(--ink);
}
.to-top.show{display:flex;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  :root{--container:1180px;}
}
@media (max-width:1024px){
  :root{--section-gap:64px;}
  .container{padding:0 20px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .layout{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;}
}
@media (max-width:768px){
  :root{--section-gap:48px;}
  body{font-size:16px;line-height:1.85;padding-bottom:56px;}
  .container{padding:0 16px;}
  .page-hero{padding:44px 0 40px;}
  .page-hero .hero-sub{font-size:16px;}
  .main-section{padding:26px 0 40px;}
  .block{padding:22px 18px;border-radius:14px;}
  .dual-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .tabbar{display:block;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:44px 0 26px;}
  .faq-item summary{font-size:16px;padding:16px 46px 16px 16px;}
  .faq-item summary::after{right:18px;top:22px;}
  .to-top{bottom:76px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px;}
  .hero-meta{flex-direction:column;gap:8px;}
  .check-list .num{width:28px;height:28px;font-size:14px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --primary:#E8552B;
  --primary-hover:#C23F1C;
  --primary-active:#A83518;
  --ink:#123B39;
  --ink-soft:#E7F0EE;
  --gold:#F3A73C;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --line:#EDE6DC;
  --divider:#F0EAE1;
  --text:#1E1E20;
  --text-2:#6E6660;
  --text-3:#A9A29C;
  --ok:#1F9D6B;
  --warn:#C2410C;
  --radius-card:16px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-1:0 2px 8px rgba(18,59,57,.06);
  --shadow-2:0 12px 28px rgba(18,59,57,.12);
  --shadow-3:0 20px 48px rgba(18,59,57,.16);
  --space-section:88px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  box-shadow:0 2px 14px rgba(18,59,57,.22);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;flex:0 0 auto}
.logo:hover{color:#fff}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.4px;
  box-shadow:0 4px 12px rgba(232,85,43,.36);
  position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;top:0;bottom:0;left:-40%;width:22%;
  background:rgba(255,255,255,.45);transform:skewX(-18deg);
  animation:sheen 3.4s ease-in-out infinite;
}
@keyframes sheen{0%{left:-40%}55%{left:120%}100%{left:120%}}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  color:rgba(255,255,255,.76);font-size:15px;
  padding:10px 14px;border-radius:8px;
  transition:color .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:#fff;transform:translateY(-2px)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{
  flex:0 0 auto;margin-left:10px;
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--radius-pill);
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.header-cta:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px)}
.header-cta:active{background:var(--primary-active);transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  display:none;
  background:var(--ink);border-top:1px solid rgba(255,255,255,.1);
  padding:10px 0 18px;
}
.drawer.open{display:block}
.drawer a{
  display:block;color:rgba(255,255,255,.84);font-size:16px;
  padding:13px 24px;border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer a:last-child{border-bottom:0}
.drawer a.active{color:var(--gold)}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(232,85,43,.26)}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,85,43,.32)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink-soft);color:var(--ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-quiet{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-quiet:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-size:15px;font-weight:600;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--primary);border-color:var(--primary)}

/* ============ 内页头图 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.24;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,59,57,.62) 0%,rgba(18,59,57,.88) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:46px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.62);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.74)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{color:rgba(255,255,255,.34)}
.breadcrumb .now{color:rgba(255,255,255,.92);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  color:#fff;font-size:44px;line-height:1.24;font-weight:700;max-width:900px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(231,240,238,.16);color:#E7F0EE;font-size:13px;
  border:1px solid rgba(231,240,238,.2);
}
.hero-tag.gold{background:rgba(243,167,60,.18);border-color:rgba(243,167,60,.34);color:#F8C579}

/* ============ 主区 ============ */
.main-wrap{padding:56px 0 40px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:36px;align-items:start}

/* ============ 文章正文 ============ */
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:40px 44px 44px;box-shadow:var(--shadow-1);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--text-2);
  padding-bottom:22px;margin-bottom:30px;
  border-bottom:1px solid var(--divider);
}
.article-meta .dot{width:12px;height:12px;border-radius:50%;background:var(--gold);display:inline-block;margin-right:7px;vertical-align:-1px}
.article-meta .sep{width:1px;height:14px;background:var(--line)}
.article-meta .cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);background:var(--ink-soft);color:var(--ink);
  font-size:13px;font-weight:600;
}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:var(--text)}
.article-body > * + *{margin-top:18px}
.article-body p{margin:0 0 18px;color:#2b2b2e}
.article-body h2{
  position:relative;font-size:30px;line-height:1.32;font-weight:700;color:var(--ink);
  margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--primary);
}
.article-body h3{font-size:21px;line-height:1.42;font-weight:600;color:var(--ink);margin:32px 0 12px}
.article-body h4{font-size:18px;font-weight:600;color:var(--ink);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.9}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.article-body ol{counter-reset:olnum}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;line-height:1.9;counter-increment:olnum}
.article-body ol li::before{
  content:counter(olnum);position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:50%;
  background:var(--ink-soft);color:var(--ink);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;
  border-left:3px solid var(--ink);background:var(--ink-soft);
  border-radius:0 12px 12px 0;color:#22403e;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-2);margin-top:10px}
.article-body a{color:var(--primary);border-bottom:2px solid rgba(232,85,43,.3)}
.article-body a:hover{color:var(--primary-hover);border-color:var(--primary-hover)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:var(--ink-soft);color:var(--ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FCFAF7}
.article-body hr{border:0;height:1px;background:var(--divider);margin:32px 0}
.article-body strong{color:var(--ink)}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--divider);
}
.article-foot .source{font-size:14px;color:var(--text-2)}
.share-group{display:flex;gap:10px;flex-wrap:wrap}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.share-btn:hover{background:var(--ink-soft);border-color:var(--ink-soft);color:var(--ink);transform:translateY(-1px)}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-1);
}
.empty-illu{
  width:120px;height:120px;margin:0 auto 22px;border-radius:28px;
  background:var(--ink-soft);color:var(--ink);
  display:grid;place-items:center;font-size:26px;font-weight:800;letter-spacing:1px;
}
.empty-state h2{font-size:26px;color:var(--ink);margin-bottom:12px}
.empty-state p{color:var(--text-2);max-width:520px;margin:0 auto 26px}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);margin-bottom:22px;
}
.side-card:last-child{margin-bottom:0}
.side-card h3{
  font-size:17px;font-weight:700;color:var(--ink);margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--primary)}
.side-list li + li{border-top:1px solid var(--divider)}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 8px;font-size:15px;color:var(--text);border-radius:10px;
  transition:background .2s ease,color .2s ease;
}
.side-list a:hover{background:var(--bg);color:var(--primary)}
.side-list .idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  background:var(--ink-soft);color:var(--ink);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.side-note{font-size:14px;color:var(--text-2);line-height:1.8}
.side-cta{
  background:var(--ink);border:0;color:#fff;
}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--gold)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px}
.side-cta .btn{width:100%}
.status-line{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ok);font-weight:600;margin-top:14px;
}
.status-line i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 4px rgba(31,157,107,.16)}

/* ============ 相关推荐 ============ */
.section{padding:var(--space-section) 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;
}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:4px;background:var(--primary);
}
.section-head p{font-size:15px;color:var(--text-2);margin-top:10px;padding-left:16px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#e2d8cb}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--ink);margin-bottom:10px}
.post-body p{font-size:15px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:14px;color:var(--text-2)}
.post-meta .time{display:inline-flex;align-items:center}
.post-meta .time::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold);margin-right:7px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--ink-soft);color:var(--ink);font-size:13px;font-weight:600;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:24px;
  padding:44px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,59,57,.94) 0%,rgba(18,59,57,.72) 100%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;font-weight:700;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;max-width:640px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:20px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:10px;font-size:13px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:380px}
.footer-col h3{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--gold);padding-left:4px}
.footer-contact p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:14px}
.footer-contact .status{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#8FD9B8;
}
.footer-contact .status i{width:8px;height:8px;border-radius:50%;background:#3DD68C;display:inline-block;box-shadow:0 0 0 4px rgba(61,214,140,.16)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 18px rgba(18,59,57,.08);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr)}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10px;color:var(--text-2);
}
.tab-item svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.active{color:var(--primary)}
.tab-item:hover{color:var(--primary)}

/* 吸底行动条 */
.float-cta{
  display:none;position:fixed;left:12px;right:12px;z-index:85;
  bottom:calc(64px + env(safe-area-inset-bottom));
  background:var(--ink);color:#fff;border-radius:999px;
  padding:10px 12px 10px 20px;
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:var(--shadow-3);
}
.float-cta span{font-size:14px;color:rgba(255,255,255,.86);line-height:1.4}
.float-cta .btn{height:38px;padding:0 18px;font-size:14px}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1280px}
}
@media (max-width:1080px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .side-card{margin-top:0}
  .article-panel{padding:32px 30px 36px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .page-hero h1{font-size:36px}
  .article-body h2{font-size:25px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  :root{--space-section:64px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 16px}
  .page-hero .container{padding-top:30px;padding-bottom:34px}
  .page-hero h1{font-size:28px;line-height:1.3}
  .breadcrumb .now{max-width:52vw}
  .main-wrap{padding:32px 0 100px}
  .article-panel{padding:24px 20px 28px;border-radius:16px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:19px}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:30px 24px;border-radius:18px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:44px 0 96px}
  .tabbar{display:block}
  .float-cta{display:flex}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page-hero h1{font-size:25px}
  .btn{height:44px;padding:0 20px;font-size:15px}
  .hero-tags{gap:8px}
  .hero-tag{height:28px;padding:0 12px;font-size:12px}
  .float-cta span{font-size:13px}
  .empty-state{padding:40px 18px}
  .empty-illu{width:96px;height:96px;border-radius:22px;font-size:22px}
}

/* roulang page: category3 */
:root{
  --brand:#E8552B;
  --brand-hover:#C23F1C;
  --brand-active:#A83518;
  --ink:#123B39;
  --ink-soft:#E7F0EE;
  --gold:#F3A73C;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --line:#EDE6DC;
  --divider:#F0EAE1;
  --text:#1E1E20;
  --muted:#6E6660;
  --disabled:#A9A29C;
  --ok:#1F9D6B;
  --warn:#C2410C;
  --empty:#B9B2AB;
  --r-pill:999px;
  --r-card:16px;
  --r-hero:24px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(18,59,57,.06);
  --sh-2:0 12px 28px rgba(18,59,57,.12);
  --sh-3:0 20px 48px rgba(18,59,57,.16);
  --sp-section:88px;
  --nav-h:68px;
  --tab-h:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
h1{font-size:46px;line-height:1.22;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:16px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);font-weight:600;background:#FDEDE6;padding:6px 14px;border-radius:var(--r-pill);}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
h2.rule{position:relative;padding-left:16px;}
h2.rule::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--brand);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink);height:var(--nav-h);display:flex;align-items:center;box-shadow:0 2px 12px rgba(18,59,57,.18);}
.site-header .container{display:flex;align-items:center;gap:24px;width:100%;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;white-space:nowrap;}
.logo:hover{color:#fff;}
.logo-mark{position:relative;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;font-size:15px;font-weight:700;letter-spacing:.5px;}
.logo-mark::after{content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%);width:2px;height:16px;background:var(--gold);border-radius:2px;animation:beam 2.4s ease-in-out infinite;}
@keyframes beam{0%,100%{opacity:.35;transform:translateY(-50%) scaleY(.6);}50%{opacity:1;transform:translateY(-50%) scaleY(1);}}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;color:rgba(255,255,255,.72);font-size:15px;border-radius:var(--r-pill);}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);}
.nav-link::before{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;background:#fff;transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover::before{transform:scaleX(1);}
.header-cta{display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:15px;font-weight:600;transition:background .2s ease,transform .2s ease;}
.header-cta:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.nav-toggle{display:none;width:44px;height:44px;margin-left:auto;align-items:center;justify-content:center;border-radius:12px;background:rgba(255,255,255,.1);}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Hero */
.page-hero{position:relative;overflow:hidden;background:var(--ink);min-height:280px;display:flex;align-items:center;padding:56px 0;}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.34;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,59,57,.9) 0%,rgba(18,59,57,.72) 55%,rgba(18,59,57,.6) 100%);}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;gap:8px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:#fff;}
.page-hero h1{color:#fff;max-width:820px;}
.page-hero .lede{margin:16px 0 26px;color:rgba(255,255,255,.78);font-size:17px;max-width:680px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:16px;font-weight:600;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,85,43,.28);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--ink);}
.btn-outline:hover{background:var(--ink-soft);color:var(--ink);}
.btn[disabled]{opacity:.45;cursor:not-allowed;}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px;}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.18);}
.badge-gold{background:rgba(243,167,60,.16);color:#FFD9A1;border-color:rgba(243,167,60,.35);}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,107,.22);}

/* 导览 */
.guide-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;display:flex;gap:18px;align-items:flex-start;}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.guide-card .idx{flex:0 0 auto;font-size:26px;font-weight:700;color:transparent;-webkit-text-stroke:1.4px var(--brand);line-height:1;}
.guide-card h3{margin-bottom:8px;font-size:19px;}
.guide-card p{margin:0;font-size:15px;color:var(--muted);line-height:1.75;}
.guide-side{display:grid;gap:16px;}
.side-note{background:var(--ink-soft);border-radius:var(--r-card);padding:24px;border:1px solid #D6E4E1;}
.side-note h3{margin-bottom:10px;}
.side-note p{font-size:15px;color:#2F544F;margin:0 0 12px;}
.side-note ul li{position:relative;padding-left:18px;font-size:15px;color:#2F544F;margin-bottom:8px;}
.side-note ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* 时间轴排查步骤 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),#F3C9B9);border-radius:2px;}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-30px;top:8px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--brand);}
.tl-item::after{content:"";position:absolute;left:-24px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--brand);}
.tl-item h3{margin-bottom:6px;}
.tl-item p{font-size:15.5px;color:var(--muted);margin:0;}
.tl-tag{display:inline-block;font-size:13px;color:var(--ink);background:var(--ink-soft);border-radius:var(--r-pill);padding:3px 12px;margin-left:10px;vertical-align:middle;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}

/* 原因对照 */
.reason-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.reason-list{display:grid;gap:14px;}
.reason-item{display:flex;gap:16px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1);transition:border-color .2s ease,background .2s ease;}
.reason-item:hover{border-color:#F2C4B2;background:#FFFDFB;}
.reason-item .step{flex:0 0 auto;width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;}
.reason-item h4{font-size:17px;margin-bottom:4px;font-weight:600;color:var(--ink);}
.reason-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.7;}
.shot{position:relative;border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-2);}
.shot img{width:100%;height:420px;object-fit:cover;border-radius:0;}
.shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 22px 18px;color:#fff;font-size:14px;background:linear-gradient(to top,rgba(18,59,57,.82),rgba(18,59,57,0));}

/* 图卡区 */
.card-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;}
.pic-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;}
.pic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pic-card img{width:100%;height:230px;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.pic-card:hover img{transform:scale(1.03);}
.pic-card .pic-body{padding:22px;}
.pic-card h3{margin-bottom:8px;}
.pic-card p{font-size:15px;color:var(--muted);margin:0;}
.pic-card.wide img{height:300px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.tag{font-size:13px;padding:3px 12px;border-radius:var(--r-pill);background:var(--ink-soft);color:var(--ink);}
.tag-hot{background:var(--brand);color:#fff;}
.mini-stack{display:grid;gap:24px;}

/* 表单 */
.check-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.check-form label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;}
.check-form .field{margin-bottom:18px;}
.check-form input{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-input);padding:0 16px;background:#fff;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;}
.check-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,43,.14);}
.form-hint{font-size:13.5px;color:var(--muted);margin:10px 0 0;}

/* FAQ */
.faq{display:grid;gap:14px;}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease;}
.faq details[open]{border-color:#F2C4B2;}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-size:17px;font-weight:600;color:var(--ink);position:relative;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--brand);font-weight:400;line-height:1;}
.faq details[open] summary::after{content:"−";}
.faq .faq-body{padding:0 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* CTA */
.cta-band{background:var(--ink);border-radius:var(--r-hero);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;box-shadow:var(--sh-2);}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.74);margin:0;font-size:16px;max-width:560px;}
.cta-band .btn-primary{flex:0 0 auto;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-about{font-size:14.5px;line-height:1.85;margin:0;}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--gold);}
.footer-contact p{font-size:14.5px;line-height:1.8;margin:0 0 14px;}
.status{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.8);}
.status i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,107,.24);}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.55);}
.to-top{position:fixed;right:20px;bottom:22px;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);color:var(--ink);font-size:18px;display:none;align-items:center;justify-content:center;z-index:70;}
.to-top.show{display:flex;}

/* 移动 Tab */
.tab-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 18px rgba(18,59,57,.08);}
.tab-bar ul{display:grid;grid-template-columns:repeat(5,1fr);}
.tab-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:var(--tab-h);font-size:10px;color:var(--muted);}
.tab-bar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-bar a.active{color:var(--brand);}

@media (max-width:1024px){
  h1{font-size:38px;}
  h2{font-size:27px;}
  .guide-grid,.split,.reason-wrap,.card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .shot img{height:340px;}
}
@media (max-width:768px){
  :root{--sp-section:48px;}
  body{font-size:16px;line-height:1.85;}
  .container{padding:0 16px;}
  h1{font-size:29px;}
  h2{font-size:22px;}
  h3{font-size:19px;}
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .site-header.open .nav-links{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;background:var(--ink);flex-direction:column;align-items:stretch;padding:12px 16px 20px;gap:2px;box-shadow:var(--sh-2);}
  .site-header.open .nav-links .nav-link{height:46px;border-radius:12px;font-size:16px;}
  .site-header.open .nav-links .nav-link::before{display:none;}
  .page-hero{padding:40px 0;min-height:auto;}
  .page-hero h1{font-size:28px;}
  .page-hero .lede{font-size:15.5px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .tab-bar{display:block;}
  body{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));}
  .to-top{bottom:calc(var(--tab-h) + 18px + env(safe-area-inset-bottom));}
  .footer-grid{grid-template-columns:1fr;}
  .timeline{padding-left:28px;}
  .shot img{height:250px;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  .page-hero h1{font-size:25px;}
  .guide-card{padding:20px;}
  .check-form{padding:20px;}
}

/* roulang page: category4 */
:root{
  --brand:#E8552B;
  --brand-hover:#C23F1C;
  --brand-active:#A83518;
  --ink:#123B39;
  --mint:#E7F0EE;
  --gold:#F3A73C;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --border:#EDE6DC;
  --line:#F0EAE1;
  --text:#1E1E20;
  --muted:#6E6660;
  --disabled:#A9A29C;
  --ok:#1F9D6B;
  --warn:#C2410C;
  --empty:#B9B2AB;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(18,59,57,.06);
  --shadow-2:0 12px 28px rgba(18,59,57,.12);
  --shadow-3:0 20px 48px rgba(18,59,57,.16);
  --section-gap:88px;
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:1024px){.container{padding:0 20px;}}
@media (max-width:520px){.container{padding:0 16px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  box-shadow:0 2px 12px rgba(18,59,57,.18);
}
.header-inner{
  height:var(--nav-h);
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:none;}
.brand:hover{color:#fff;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(232,85,43,.35);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.brand-text::after{
  content:"";display:inline-block;width:2px;height:14px;margin-left:8px;
  background:var(--gold);border-radius:2px;vertical-align:-2px;
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;color:rgba(255,255,255,.78);
  font-size:15px;padding:8px 12px;border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:transparent;border-radius:2px;transition:background-color .2s ease,transform .2s ease;
  transform:translateY(3px);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link:hover::after{background:rgba(255,255,255,.45);transform:translateY(0);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{background:var(--brand);transform:translateY(0);}

.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.menu-toggle{
  display:none;width:44px;height:44px;border:0;border-radius:12px;
  background:rgba(255,255,255,.1);cursor:pointer;
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

.drawer{
  display:none;background:var(--ink);border-top:1px solid rgba(255,255,255,.12);
  padding:10px 0 18px;
}
.drawer.open{display:block;}
.drawer a{
  display:block;color:rgba(255,255,255,.82);font-size:16px;
  padding:13px 24px;border-bottom:1px solid rgba(255,255,255,.07);
}
.drawer a:last-child{border-bottom:0;}
.drawer a.active{color:var(--gold);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(232,85,43,.28);}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,85,43,.32);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--mint);color:var(--ink);}
.btn-light{background:var(--brand);color:#fff;}
.btn-light:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);}
.link-arrow::after{content:"→";transition:transform .2s ease;color:var(--brand);}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  padding:64px 0 56px;
  min-height:260px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(18,59,57,.94) 0%,rgba(18,59,57,.72) 55%,rgba(18,59,57,.58) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--ink);background:var(--mint);
  padding:6px 14px;border-radius:var(--radius-pill);
}
.page-hero .eyebrow{background:rgba(255,255,255,.14);color:#fff;}
.page-hero h1{
  margin-top:18px;
  font-size:44px;line-height:1.22;font-weight:700;color:#fff;
}
.page-hero .hero-sub{
  margin-top:16px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.78);max-width:680px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  font-size:13px;color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.28);
  padding:5px 13px;border-radius:var(--radius-pill);
}

/* ---------- 通用板块 ---------- */
main{display:block;}
.section{padding:var(--section-gap) 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  position:relative;font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);
  padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand);border-radius:3px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.section-head.with-link{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

/* ---------- 功能地图 ---------- */
.map-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start;
}
.map-col{display:flex;flex-direction:column;gap:18px;}
.map-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.map-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#E3D9CB;}
.map-card .num{
  font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.5px;
}
.map-card h3{margin-top:10px;font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);}
.map-card p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8;}
.map-card .tag{
  display:inline-block;margin-top:14px;font-size:13px;
  background:var(--mint);color:var(--ink);padding:4px 12px;border-radius:var(--radius-pill);
}
.map-feature{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.map-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.map-feature .body{padding:24px 24px 26px;}
.map-feature h3{font-size:20px;font-weight:600;color:var(--ink);}
.map-feature p{margin-top:10px;font-size:15px;color:var(--muted);}
.map-feature .hot{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:12px;
  background:var(--brand);color:#fff;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:var(--radius-pill);
}

/* ---------- 使用路径 ---------- */
.path-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.path-item{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-1);
}
.path-item::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--gold));
  border-radius:16px 16px 0 0;
}
.path-item .step{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;
}
.path-item h3{margin-top:10px;font-size:18px;font-weight:600;color:var(--ink);line-height:1.45;}
.path-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);}
.progress{
  margin-top:32px;height:8px;border-radius:var(--radius-pill);
  background:var(--line);overflow:hidden;
}
.progress i{
  display:block;height:100%;width:72%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--brand),var(--gold));
}

/* ---------- 分段图文 ---------- */
.segment{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.segment:last-child{border-bottom:0;padding-bottom:0;}
.segment:first-child{padding-top:0;}
.segment.reverse .seg-media{order:2;}
.segment .seg-body h3{
  font-size:22px;line-height:1.4;font-weight:600;color:var(--ink);
}
.segment .seg-body .seg-label{
  display:inline-block;font-size:13px;font-weight:600;color:var(--ink);
  background:var(--mint);padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:14px;
}
.segment .seg-body p{margin-top:14px;font-size:16px;color:var(--muted);}
.seg-media{
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  border:1px solid var(--border);background:var(--card);
}
.seg-media img{width:100%;aspect-ratio:8/5;object-fit:cover;}
.seg-points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.seg-points li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text);line-height:1.75;
}
.seg-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--brand);
}

/* ---------- 要点清单 ---------- */
.checklist{border-top:1px solid var(--line);}
.check-item{
  display:flex;gap:24px;align-items:flex-start;
  padding:26px 16px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.check-item:hover{background:#FBF7F1;}
.check-num{
  flex:none;width:52px;
  font-size:40px;line-height:1;font-weight:700;
  color:transparent;-webkit-text-stroke:1.4px var(--brand);
  font-family:"PingFang SC","Segoe UI",sans-serif;
}
.check-body h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--ink);}
.check-body p{margin-top:8px;font-size:15px;color:var(--muted);}
.check-body .tag{
  display:inline-block;margin-top:12px;font-size:13px;color:var(--ink);
  background:var(--mint);padding:4px 12px;border-radius:var(--radius-pill);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{border-color:#E3D9CB;box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 22px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:28px;
  width:10px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item .faq-body{
  padding:0 22px 22px;font-size:15.5px;color:var(--muted);line-height:1.85;
  border-top:1px solid var(--line);padding-top:18px;margin:0 22px 22px;padding-left:0;padding-right:0;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--radius-lg);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:rgba(232,85,43,.16);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff;}
.cta-copy p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.75);}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:var(--section-gap);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:60px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
.footer-about{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:var(--gold);}
.footer-contact p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.status{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:13.5px;color:rgba(255,255,255,.8);
}
.status i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 4px rgba(31,157,107,.18);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 16px rgba(18,59,57,.08);
}
.tabbar ul{display:flex;}
.tabbar li{flex:1;}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10px;color:var(--muted);
}
.tabbar a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.active{color:var(--brand);font-weight:600;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--section-gap:64px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .page-hero h1{font-size:34px;}
  .map-grid{grid-template-columns:1fr;}
  .path-wrap{grid-template-columns:repeat(2,1fr);}
  .segment{gap:32px;padding:36px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85;padding-bottom:64px;}
  :root{--section-gap:48px;--nav-h:60px;}
  .page-hero{padding:44px 0 40px;min-height:220px;}
  .page-hero h1{font-size:28px;line-height:1.3;}
  .page-hero .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .segment{grid-template-columns:1fr;gap:20px;padding:30px 0;}
  .segment.reverse .seg-media{order:0;}
  .check-item{gap:16px;padding:20px 8px;}
  .check-num{width:40px;font-size:30px;-webkit-text-stroke:1.2px var(--brand);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .tabbar{display:block;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 26px;}
  .footer-bottom{flex-direction:column;gap:10px;font-size:12.5px;}
  .site-footer{margin-top:48px;}
}
@media (max-width:520px){
  .path-wrap{grid-template-columns:1fr;}
  .brand-text{font-size:15px;}
  .faq-item summary{padding:18px 48px 18px 18px;font-size:16px;}
  .faq-item summary::after{right:20px;top:24px;}
  .faq-item .faq-body{margin:0 18px 18px;}
}