/* roulang page: index */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-text-3:#8A9996;
  --c-bg:#F6F9F8;
  --c-bg-alt:#EDF4F2;
  --c-card:#FFFFFF;
  --c-line:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,100,96,.06);
  --sh-2:0 12px 28px rgba(15,100,96,.12);
  --sh-nav:0 6px 20px rgba(10,46,45,.08);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(16px,4vw,32px);}
.section{padding:clamp(56px,7vw,104px) 0;}
.section-alt{background:var(--c-bg-alt);}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:14px;
}
.h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.lead{font-size:16.5px;line-height:1.95;color:var(--c-text-2);max-width:760px;}
.muted{color:var(--c-text-3);font-size:14px;}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* 按钮 */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(15,100,96,.22);}
.btn-main:hover{background:#0A4E4B;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(15,100,96,.26);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(242,112,60,.3);}
.btn-accent:hover{background:#DA5C2A;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,112,60,.34);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-main:active,.btn-accent:active,.btn-ghost:active{transform:translateY(0);}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;}
.nav-bar{
  background:rgba(255,255,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 20px rgba(10,46,45,.08);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-bar{
  background:#fff;border-bottom-color:var(--c-line);box-shadow:var(--sh-nav);
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 4px 12px rgba(8,64,62,.3);
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.12;
  font-weight:800;letter-spacing:-.03em;font-size:17px;color:#fff;
  text-shadow:0 1px 3px rgba(8,64,62,.4);transition:color .25s ease,text-shadow .25s ease;
}
.site-header.is-scrolled .logo-text{color:var(--c-primary-d);text-shadow:none;}
.nav-links{display:flex;align-items:center;gap:2px;margin:0;padding:0;}
.nav-links a{
  display:block;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:500;line-height:1.2;color:rgba(255,255,255,.94);
  text-shadow:0 1px 3px rgba(8,64,62,.35);transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff;}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-links a.active::after{
  content:"";display:block;height:2px;width:100%;margin-top:5px;border-radius:2px;background:var(--c-accent);
}
.site-header.is-scrolled .nav-links a{color:var(--c-text-2);text-shadow:none;}
.site-header.is-scrolled .nav-links a:hover{color:var(--c-primary);background:var(--c-primary-l);}
.site-header.is-scrolled .nav-links a.active{color:var(--c-primary);}
.nav-cta{flex-shrink:0;}
.btn-nav{
  display:inline-flex;align-items:center;min-height:42px;padding:10px 20px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:0 6px 16px rgba(242,112,60,.32);transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-nav:hover{background:#DA5C2A;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,112,60,.36);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;padding:0;cursor:pointer;
  border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.12);place-items:center;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle span{display:block;width:20px;height:2px;margin:4px auto;border-radius:2px;background:#fff;transition:background .2s ease;}
.site-header.is-scrolled .nav-toggle{border-color:var(--c-line);background:#fff;}
.site-header.is-scrolled .nav-toggle span{background:var(--c-primary-d);}
.mobile-drawer{
  position:fixed;inset:0;z-index:1055;padding:92px 26px 40px;
  background:var(--c-primary-d);transform:translateX(101%);
  transition:transform .3s ease;overflow-y:auto;display:flex;flex-direction:column;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer a{
  color:#fff;font-size:18px;font-weight:600;padding:15px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.mobile-drawer a:hover{color:var(--c-accent);}
.drawer-close{
  position:absolute;top:20px;right:22px;width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;
  font-size:24px;line-height:1;cursor:pointer;
}
.drawer-title{color:rgba(255,255,255,.6);font-size:13px;letter-spacing:.14em;margin:26px 0 6px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:132px 0 clamp(56px,7vw,88px);
  background:
    linear-gradient(104deg,rgba(8,64,62,.95) 0%,rgba(15,100,96,.86) 46%,rgba(8,64,62,.72) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;top:-240px;right:-200px;width:720px;height:720px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 0 0 64px rgba(255,255,255,.035),0 0 0 148px rgba(255,255,255,.02);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-140px;bottom:-260px;width:560px;height:560px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);
  font-size:13.5px;font-weight:500;color:rgba(255,255,255,.94);margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.3;font-weight:800;
  color:#fff;letter-spacing:-.01em;margin-bottom:22px;max-width:15em;
}
.hero-sub{font-size:17px;line-height:1.95;color:rgba(255,255,255,.86);max-width:640px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);
  border-radius:18px;padding:16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 24px 48px rgba(4,32,31,.36);
}
.hero-card img{width:100%;height:196px;object-fit:cover;border-radius:12px;}
.hero-card-body{padding:16px 6px 4px;}
.hero-card-body strong{display:block;font-size:15.5px;color:#fff;font-weight:700;margin-bottom:6px;}
.hero-card-body span{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.7;}
.hero-mini{display:flex;gap:10px;margin-top:16px;padding:0 6px 6px;flex-wrap:wrap;}
.hero-mini span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.88);
}

/* 服务清单 */
.sticky-head{position:sticky;top:104px;}
.svc-list{display:flex;flex-direction:column;}
.svc-item{
  display:flex;gap:20px;align-items:flex-start;text-decoration:none;color:inherit;
  padding:22px 12px;border-bottom:1px solid var(--c-line);
  border-radius:12px;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.svc-item:first-child{border-top:1px solid var(--c-line);}
.svc-item:hover{background:#fff;box-shadow:var(--sh-1);transform:translateY(-2px);}
.svc-num{font-size:14px;font-weight:800;color:var(--c-accent);letter-spacing:.06em;min-width:32px;padding-top:3px;}
.svc-body h3{font-size:18.5px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.svc-body p{font-size:15px;line-height:1.85;color:var(--c-text-2);margin:0;}
.svc-arrow{margin-left:auto;color:var(--c-text-3);font-size:20px;line-height:1;padding-top:4px;transition:color .2s ease,transform .2s ease;}
.svc-item:hover .svc-arrow{color:var(--c-accent);transform:translateX(4px);}

/* 数据横带 */
.stats-band{background:var(--c-dark);color:#fff;padding:clamp(48px,6vw,84px) 0;}
.stat-cell{padding:8px 4px;}
.stat-num{font-size:clamp(32px,4vw,44px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff;}
.stat-num em{font-style:normal;font-size:.5em;font-weight:600;color:rgba(255,255,255,.7);margin-left:4px;}
.stat-label{font-size:14.5px;color:rgba(255,255,255,.74);margin-top:10px;line-height:1.7;}
.stat-divide{width:1px;background:rgba(255,255,255,.14);}

/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:26px;}
.tl-item{position:relative;padding-top:40px;}
.tl-item::before{
  content:"";position:absolute;top:9px;left:22px;right:-26px;height:1px;
  background:linear-gradient(90deg,rgba(15,100,96,.35),rgba(223,234,232,.9));
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 5px rgba(242,112,60,.16);
}
.tl-step{font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--c-text-3);margin-bottom:8px;}
.tl-item h3{font-size:17.5px;font-weight:600;margin-bottom:8px;line-height:1.5;}
.tl-item p{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0;}

/* 场景 */
.scene-img{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--c-line);}
.scene-img img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.scene-list{display:flex;flex-direction:column;gap:14px;}
.scene-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C7DCD9;}
.scene-item h3{font-size:17px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.scene-item h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex-shrink:0;}
.scene-item p{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0;}

/* 内容卡片 */
.post-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);text-decoration:none;color:inherit;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C7DCD9;color:inherit;}
.badge-cat{
  display:inline-block;align-self:flex-start;background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;font-weight:600;border-radius:999px;padding:4px 13px;margin-bottom:14px;line-height:1.6;
}
.post-card h3{
  font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--c-text-3);padding-top:14px;border-top:1px solid var(--c-line);
}
.post-meta .go{color:var(--c-primary);font-weight:600;}
.post-card:hover .post-meta .go{color:var(--c-accent);}
.empty-state{
  text-align:center;padding:clamp(40px,6vw,68px) 24px;background:#fff;
  border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-3);font-size:15px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.section-head .more{font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;}
.section-head .more:hover{color:var(--c-accent);}

/* FAQ */
.faq .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;border-radius:0;}
.faq .accordion-item:first-of-type{border-top:1px solid var(--c-line);}
.faq .accordion-button{
  position:relative;background:transparent;box-shadow:none;border-radius:0 !important;
  font-size:17px;font-weight:600;color:var(--c-text);line-height:1.6;
  padding:20px 52px 20px 0;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq .accordion-button::after{display:none;}
.faq .accordion-button::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:300;line-height:1;color:var(--c-primary);
  transition:transform .25s ease,color .25s ease;
}
.faq .accordion-button:not(.collapsed)::before{transform:translateY(-50%) rotate(45deg);color:var(--c-accent);}
.faq .accordion-body{padding:0 52px 22px 0;font-size:15.5px;line-height:1.9;color:var(--c-text-2);}

/* 联系 */
.contact-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:clamp(24px,3vw,36px);box-shadow:var(--sh-1);height:100%;
}
.info-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--c-line);}
.info-row:last-child{border-bottom:0;}
.info-ico{
  width:40px;height:40px;flex-shrink:0;border-radius:11px;background:var(--c-primary-l);
  color:var(--c-primary);display:grid;place-items:center;font-size:16px;font-weight:700;
}
.info-row strong{display:block;font-size:15px;font-weight:600;margin-bottom:3px;}
.info-row span{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.form-label{font-size:14.5px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.form-control,.form-select{
  height:48px;border-radius:var(--r-input);border:1px solid var(--c-line);
  font-size:15px;color:var(--c-text);padding:0 14px;box-shadow:none;
  background-color:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:118px;padding:12px 14px;line-height:1.8;resize:vertical;}
.form-control::placeholder{color:var(--c-text-3);}
.form-control:focus,.form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,100,96,.14);
  background-color:#fff;color:var(--c-text);
}
.map-slot{
  margin-top:34px;height:clamp(180px,22vw,250px);border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);position:relative;
  background:linear-gradient(rgba(8,64,62,.72),rgba(8,64,62,.72)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  display:grid;place-items:center;text-align:center;color:#fff;
}
.map-slot strong{display:block;font-size:18px;font-weight:700;margin-bottom:8px;}
.map-slot span{font-size:14px;color:rgba(255,255,255,.8);}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:clamp(48px,6vw,80px) 0 0;margin-top:0;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-logo .logo-mark{background:linear-gradient(135deg,#12817B,var(--c-primary-d));}
.footer-logo .logo-text{color:#fff;text-shadow:none;}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.08em;margin-bottom:18px;}
.footer-links a{display:block;color:rgba(255,255,255,.78);font-size:14.5px;padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--c-accent);transform:translateX(3px);}
.footer-info p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.78);margin:0 0 10px;}
.footer-info em{font-style:normal;color:rgba(255,255,255,.55);display:inline-block;min-width:64px;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.68);}
.footer-bottom a:hover{color:var(--c-accent);}

@media (max-width:1200px){
  .nav-links a{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:1080px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;}
  .timeline{grid-template-columns:repeat(3,1fr);gap:30px 22px;}
  .tl-item:nth-child(3n)::before{display:none;}
}
@media (max-width:992px){
  body{font-size:16px;}
  .hero{padding:112px 0 64px;}
  .hero-card{margin-top:38px;}
  .sticky-head{position:static;margin-bottom:28px;}
  .stat-divide{display:none;}
  .stat-cell{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .tl-item::before{display:none;}
  .scene-row + .scene-row{margin-top:34px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero h1{font-size:clamp(26px,6.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .section-head{margin-bottom:28px;}
  .timeline{grid-template-columns:1fr;gap:26px;}
  .tl-item{padding-top:34px;}
  .tl-item::before{display:none;}
  .btn-main,.btn-ghost,.btn-accent{padding:11px 20px;font-size:15px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 auto;}
  .info-row{padding:14px 0;}
}
@media (max-width:520px){
  .wrap{padding:0 18px;}
  .nav-inner{height:66px;}
  .logo-text{font-size:15.5px;}
  .hero{padding:104px 0 56px;}
  .hero-card img{height:168px;}
  .post-card{padding:18px;}
  .contact-card{padding:22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-text-3:#8A9996;
  --c-bg:#F6F9F8;
  --c-bg-alt:#EDF4F2;
  --c-card:#FFFFFF;
  --c-border:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,100,96,.06);
  --sh-2:0 12px 28px rgba(15,100,96,.12);
  --sh-nav:0 6px 20px rgba(10,46,45,.08);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.9;letter-spacing:.01em;
  color:var(--c-text);background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(16px,4vw,32px);}
.sec{padding:clamp(56px,8vw,104px) 0;}
.sec-alt{background:var(--c-bg-alt);}
.sec-dark{background:var(--c-dark);color:rgba(255,255,255,.82);}
.sec-dark h2,.sec-dark h3{color:#fff;}

/* ============ 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .25s ease;}
.site-header .nav-bar{
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 5px 18px rgba(10,46,45,.10);
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled .nav-bar{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-border);
  box-shadow:var(--sh-nav);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-d) 100%);
  color:#fff;font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(8,64,62,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.14;font-weight:800;letter-spacing:-.02em;font-size:16px;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.22);transition:color .25s ease;}
.logo-text span:last-child{font-size:12.5px;font-weight:600;letter-spacing:.06em;opacity:.92;}
.site-header.scrolled .logo-text{color:var(--c-primary-d);text-shadow:none;}
.site-header.scrolled .logo-mark{background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-d) 100%);}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;display:block;padding:9px 13px;border-radius:8px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.92);
  text-shadow:0 1px 5px rgba(0,0,0,.18);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:currentColor;opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:opacity .22s ease,transform .22s ease;border-radius:2px;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{opacity:.65;transform:scaleX(1);}
.site-header.scrolled .nav-links a{color:var(--c-text-2);text-shadow:none;}
.site-header.scrolled .nav-links a:hover{color:var(--c-primary);}
.nav-links a.active{color:#fff;font-weight:700;}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.site-header.scrolled .nav-links a.active{color:var(--c-primary-d);}
.site-header.scrolled .nav-links a.active::after{background:var(--c-primary);opacity:1;}

.nav-cta{margin-left:10px;}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-size:14.5px;font-weight:700;
  border:1px solid transparent;white-space:nowrap;
  box-shadow:0 6px 16px rgba(242,112,60,.28);
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
}
.btn-nav:hover{background:#de5f2c;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,112,60,.34);}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;padding:0;
  border:1px solid rgba(255,255,255,.4);border-radius:10px;background:rgba(255,255,255,.12);
  cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:#fff;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.site-header.scrolled .nav-toggle{border-color:var(--c-border);background:var(--c-primary-l);}
.site-header.scrolled .nav-toggle span{background:var(--c-primary-d);}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 通用组件 ============ */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--c-primary-l);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent-l);color:#B94C1D;}
.sec-label{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:14px;
}
h2.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;margin-bottom:.9rem;}
.sec-intro{max-width:780px;color:var(--c-text-2);font-size:16.5px;}
.sec-dark .sec-intro{color:rgba(255,255,255,.78);}

.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(15,100,96,.22);}
.btn-main:hover{background:#0B514E;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,100,96,.28);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(242,112,60,.26);}
.btn-accent:hover{background:#DE5F2C;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,112,60,.32);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.62);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-ghost-dark{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost-dark:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-line{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;color:var(--c-primary);}
.btn-line::after{content:"→";transition:transform .2s ease;}
.btn-line:hover::after{transform:translateX(4px);}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;padding:132px 0 76px;min-height:340px;
  background-image:linear-gradient(115deg,rgba(8,64,62,.90) 0%,rgba(10,46,45,.84) 62%,rgba(15,100,96,.72) 100%),
                   url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);opacity:.5;pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.3;font-weight:800;color:#fff;
  margin:0 0 18px;max-width:900px;
}
.page-hero .hero-lead{max-width:760px;font-size:17px;line-height:1.95;color:rgba(255,255,255,.86);margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  font-size:13.5px;color:rgba(255,255,255,.9);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}

/* ============ 图文交替 ============ */
.split-row{align-items:center;}
.split-row + .split-row{margin-top:clamp(48px,7vw,88px);}
.split-copy .step-no{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--c-accent);margin-bottom:12px;
}
.split-copy h3{font-size:clamp(20px,2.2vw,26px);line-height:1.45;margin-bottom:14px;}
.split-copy p{color:var(--c-text-2);max-width:560px;}
.split-figure{position:relative;}
.split-figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-1);border:1px solid var(--c-border);
}
.split-figure .fig-note{
  position:absolute;left:18px;bottom:-18px;background:#fff;border:1px solid var(--c-border);
  border-radius:12px;padding:10px 16px;font-size:13.5px;color:var(--c-text-2);
  box-shadow:var(--sh-1);max-width:78%;
}
.dot-list{margin-top:18px;display:grid;gap:11px;}
.dot-list li{position:relative;padding-left:22px;color:var(--c-text-2);font-size:15.5px;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
}

/* ============ 核对要点 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px;}
.check-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-card .num{
  font-size:14px;font-weight:800;color:var(--c-accent);letter-spacing:.1em;margin-bottom:10px;display:block;
}
.check-card h3{font-size:19px;margin-bottom:10px;}
.check-card p{color:var(--c-text-2);font-size:15.5px;}

/* ============ 分设备说明 ============ */
.device-band{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px;}
.device-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.device-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.device-body{padding:22px 22px 26px;}
.device-body h3{font-size:18px;margin-bottom:10px;}
.device-body p{font-size:15px;color:var(--c-text-2);}

/* ============ 流程带 ============ */
.flow-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px;}
.flow-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:24px 22px;
}
.flow-item .node{
  width:34px;height:34px;border-radius:50%;background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:14px;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14.5px;color:rgba(255,255,255,.76);}

/* ============ FAQ ============ */
.faq-list{margin-top:30px;border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-text);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q .fi{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:500;
  color:var(--c-primary);transition:transform .28s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.open .faq-q{color:var(--c-primary-d);}
.faq-item.open .fi{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 44px 24px 0;color:var(--c-text-2);font-size:15.8px;}

/* ============ CTA ============ */
.cta-band{
  border-radius:18px;padding:clamp(34px,5vw,60px);
  background:linear-gradient(120deg,var(--c-primary-d) 0%,var(--c-primary) 58%,#12736C 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-110px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:rgba(242,112,60,.18);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.84);max-width:640px;margin-bottom:24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:clamp(52px,7vw,84px) 0 0;margin-top:0;}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-logo .logo-text{color:#fff;text-shadow:none;}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-accent);}
.footer-info p{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:12px;display:flex;gap:10px;}
.footer-info em{font-style:normal;color:rgba(255,255,255,.45);flex:0 0 42px;}
.footer-bottom{
  margin-top:clamp(36px,5vw,56px);border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links a{padding:9px 10px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .sec{padding:72px 0;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    background:var(--c-primary-d);padding:26px clamp(16px,5vw,32px) 40px;
    overflow-y:auto;transform:translateX(100%);opacity:0;visibility:hidden;
    transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
  }
  .nav-links.open{transform:translateX(0);opacity:1;visibility:visible;}
  .site-header .nav-links a,
  .site-header.scrolled .nav-links a{
    color:rgba(255,255,255,.92);text-shadow:none;font-size:17px;font-weight:600;
    padding:15px 4px;border-radius:10px;line-height:1.5;
  }
  .site-header .nav-links a + a{border-top:1px solid rgba(255,255,255,.10);}
  .site-header .nav-links a:hover,
  .site-header.scrolled .nav-links a:hover{color:#fff;}
  .site-header .nav-links a::after{display:none;}
  .site-header .nav-links a.active::before{
    content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
    background:var(--c-accent);margin-right:10px;vertical-align:middle;
  }
  .check-grid{grid-template-columns:1fr;}
  .device-band{grid-template-columns:1fr;}
  .flow-strip{grid-template-columns:repeat(2,1fr);}
  .page-hero{padding:112px 0 62px;}
  .split-row + .split-row{margin-top:56px;}
  .split-figure{margin-top:26px;}
  .split-figure .fig-note{position:static;margin-top:14px;max-width:100%;}
}
@media (max-width:575.98px){
  body{font-size:16px;line-height:1.85;}
  .sec{padding:56px 0;}
  .page-hero{padding:104px 0 52px;min-height:280px;}
  .page-hero h1{font-size:28px;}
  .page-hero .hero-lead{font-size:15.8px;}
  .hero-actions{gap:10px;}
  .btn-main,.btn-ghost,.btn-accent{width:100%;padding:0 18px;}
  .flow-strip{grid-template-columns:1fr;}
  .faq-q{font-size:15.8px;padding:19px 0;}
  .faq-a p{padding-right:0;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-text-3:#8A9996;
  --c-bg:#F6F9F8;
  --c-alt:#EDF4F2;
  --c-card:#FFFFFF;
  --c-border:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 2px 8px rgba(15,100,96,.06);
  --shadow-2:0 12px 28px rgba(15,100,96,.12);
  --shadow-nav:0 6px 20px rgba(10,46,45,.08);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 clamp(16px,4vw,32px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:var(--shadow-nav);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:#FFFFFF;
  border-bottom-color:var(--c-border);
  box-shadow:var(--shadow-nav);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.logo:hover{color:inherit;}
.logo-mark{
  width:38px;height:38px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--c-accent);
  color:#fff;font-weight:800;font-size:19px;line-height:1;
  box-shadow:0 6px 16px rgba(242,112,60,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.08;font-weight:800;letter-spacing:-.01em;}
.logo-text span:first-child{font-size:16px;color:#fff;}
.logo-text span:last-child{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.16em;}
.site-header.scrolled .logo-text span:first-child{color:var(--c-primary-d);}
.site-header.scrolled .logo-text span:last-child{color:var(--c-text-3);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  position:relative;
  display:block;
  padding:9px 12px;
  border-radius:8px;
  font-size:15px;
  color:rgba(255,255,255,.88);
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:currentColor;border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.site-header.scrolled .nav-links a{color:var(--c-text-2);}
.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links a.active{color:var(--c-primary);}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:#fff;color:var(--c-primary-d);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  box-shadow:0 6px 16px rgba(0,0,0,.14);
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.btn-nav:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);}
.site-header.scrolled .btn-nav{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(15,100,96,.22);}
.site-header.scrolled .btn-nav:hover{background:var(--c-primary-d);color:#fff;}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  border-radius:10px;border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.1);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:3.5px auto;background:#fff;border-radius:2px;transition:background .25s ease;}
.site-header.scrolled .nav-toggle{border-color:var(--c-border);background:#fff;}
.site-header.scrolled .nav-toggle span{background:var(--c-primary-d);}
body.nav-open{overflow:hidden;}

/* ---------- 文章头部 ---------- */
.page-hero{position:relative;padding:136px 0 62px;background:var(--c-primary-d);overflow:hidden;}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,64,62,.94) 0%,rgba(8,64,62,.74) 55%,rgba(10,46,45,.9) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:920px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.84);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(255,255,255,.4);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:13px;font-weight:500;
  margin-bottom:16px;
}
.badge-cat::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.page-title{
  color:#fff;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
  text-shadow:0 2px 14px rgba(0,0,0,.22);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:rgba(255,255,255,.72);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}

/* ---------- 正文 ---------- */
.article-section{background:var(--c-bg);padding:56px 0 0;}
.article-panel{
  max-width:860px;margin:0 auto;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:16px;
  padding:clamp(22px,4vw,54px);
  box-shadow:var(--shadow-1);
}
.article-body{font-size:17px;line-height:1.95;color:var(--c-text);}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;font-weight:700;
  margin:2.6rem 0 .9rem;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:19px;line-height:1.55;font-weight:600;margin:1.6em 0 .6em;}
.article-body h4{font-size:16.5px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em;}
.article-body li{margin-bottom:.6em;line-height:1.9;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:4px solid var(--c-primary);
  background:var(--c-primary-l);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.8em auto;height:auto;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:12px 14px;text-align:left;}
.article-body th{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600;}
.article-body tr:hover td{background:#F3F9F8;}
.article-body code{background:var(--c-alt);padding:2px 6px;border-radius:6px;font-size:14.5px;color:var(--c-primary-d);}
.article-body hr{border:none;border-top:1px solid var(--c-border);margin:2rem 0;}
.empty-state{text-align:center;padding:36px 0 18px;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px;color:var(--c-text);}
.empty-state p{color:var(--c-text-2);font-size:15.5px;margin-bottom:26px;}
.article-actions{
  max-width:860px;margin:26px auto 0;
  display:flex;flex-wrap:wrap;gap:14px;
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(15,100,96,.22);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(15,100,96,.28);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(242,112,60,.28);}
.btn-accent:hover{background:#dd5f2d;color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.34);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;border-color:rgba(255,255,255,.5);}

/* ---------- 相关推荐 ---------- */
.related-section{background:var(--c-bg);padding:clamp(56px,7vw,88px) 0;}
.sec-head{max-width:720px;margin:0 auto 42px;text-align:center;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary);font-size:12.5px;font-weight:600;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;margin-bottom:12px;}
.sec-head p{color:var(--c-text-2);font-size:15.5px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card-thumb{aspect-ratio:3/2;overflow:hidden;background:var(--c-alt);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-thumb img{transform:scale(1.05);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-tag{
  align-self:flex-start;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--c-primary-l);color:var(--c-primary);
  font-size:12.5px;font-weight:600;
}
.card-title{font-size:17px;font-weight:700;line-height:1.5;}
.card-text{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.card-link::after{content:"→";transition:transform .2s ease;}
.card-link:hover::after{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-primary-d);padding:clamp(48px,7vw,76px) 0;}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-150px;top:-220px;background:radial-gradient(circle,rgba(242,112,60,.34),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;width:440px;height:440px;border-radius:50%;
  left:-170px;bottom:-230px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:64px 0 0;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-text span:first-child{font-size:16px;color:#fff;font-weight:800;}
.footer-logo .logo-text span:last-child{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.16em;}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:330px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-info p{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:12px;}
.footer-info em{font-style:normal;color:rgba(255,255,255,.42);min-width:38px;}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:9px 9px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:block;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-primary-d);
    padding:20px 24px 40px;
    overflow-y:auto;
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:1040;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{
    color:#fff;font-size:17px;padding:16px 8px;line-height:1.4;
    border-bottom:1px solid rgba(255,255,255,.1);border-radius:0;
  }
  .nav-links a::after{display:none;}
  .nav-links a:hover,.nav-links a.active{color:var(--c-accent);}
  .site-header.scrolled .nav-links a{color:#fff;}
  .site-header.scrolled .nav-links a:hover,
  .site-header.scrolled .nav-links a.active{color:var(--c-accent);}
  .btn-nav{display:none;}
  .page-hero{padding:118px 0 52px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .page-hero{padding:106px 0 44px;}
  .article-section{padding:36px 0 0;}
  .article-panel{padding:22px 18px;border-radius:14px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-actions{flex-direction:column;}
  .article-actions .btn{width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519.98px){
  .logo-text span:first-child{font-size:15px;}
  .logo-text span:last-child{font-size:11px;letter-spacing:.12em;}
  .sec-head{margin-bottom:30px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-text-3:#8A9996;
  --c-bg:#F6F9F8;
  --c-card:#FFFFFF;
  --c-alt:#EDF4F2;
  --c-line:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,100,96,.06);
  --sh-2:0 12px 28px rgba(15,100,96,.12);
  --sh-nav:0 6px 20px rgba(10,46,45,.08);
  --wrap:1240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.4em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 clamp(16px,4vw,32px);
}
.section{padding:96px 0;background:var(--c-bg)}
.section-alt{padding:96px 0;background:var(--c-alt)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.sec-tag i{font-size:12px}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:.7em}
.sec-desc{font-size:16.5px;line-height:1.9;color:var(--c-text-2);margin:0}
.lead{font-size:17px;line-height:1.95;color:var(--c-text-2)}

/* ============ header / nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
}
.nav-bar{
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 4px 18px rgba(10,46,45,.10);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:11px;
  color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.18);
}
.logo:hover{color:#fff;opacity:.92}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--c-accent);
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(242,112,60,.35);
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:15.5px;font-weight:800;letter-spacing:-.02em;
}
.logo-text span:last-child{color:var(--c-accent-l);}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.92);
  text-shadow:0 1px 6px rgba(0,0,0,.18);
  border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn-nav{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;min-height:44px;
  border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;
  font-size:14.5px;font-weight:600;
  box-shadow:0 8px 20px rgba(242,112,60,.28);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-nav:hover{background:#df5f2c;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,112,60,.34)}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;
  background:transparent;border:0;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{
  display:block;width:22px;height:2px;border-radius:2px;background:#fff;
  transition:transform .24s ease,opacity .24s ease;
}
.site-header.scrolled .nav-bar{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-nav);
}
.site-header.scrolled .logo{color:var(--c-primary-d);text-shadow:none}
.site-header.scrolled .logo-text span:last-child{color:var(--c-primary)}
.site-header.scrolled .nav-links a{color:var(--c-text-2);text-shadow:none}
.site-header.scrolled .nav-links a:hover{color:var(--c-primary)}
.site-header.scrolled .nav-links a.active{color:var(--c-primary-d)}
.site-header.scrolled .nav-toggle span{background:var(--c-primary-d)}

/* ============ page hero ============ */
.page-hero{
  position:relative;
  min-height:340px;
  display:flex;align-items:flex-end;
  padding:132px 0 58px;
  background-image:
    linear-gradient(100deg,rgba(8,64,62,.90) 0%,rgba(15,100,96,.78) 52%,rgba(8,64,62,.68) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 0 0 60px rgba(255,255,255,.05);
  pointer-events:none;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13.5px;color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .cur{color:var(--c-accent-l);font-weight:600}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.3;font-weight:800;
  max-width:800px;
}
.page-hero .hero-lead{
  margin:20px 0 0;max-width:720px;
  font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.86);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:13.5px;color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
}
.hero-chips i{color:var(--c-accent)}

/* ============ stat band ============ */
.stat-band{
  background:var(--c-dark);
  border-radius:18px;
  padding:44px 40px;
  margin-top:-46px;
  position:relative;z-index:2;
  box-shadow:0 20px 44px rgba(10,46,45,.24);
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.stat-item{border-left:1px solid rgba(255,255,255,.14);padding-left:24px}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  font-size:clamp(30px,3.4vw,42px);font-weight:800;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:20px;color:var(--c-accent);margin-left:2px;font-weight:700}
.stat-label{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.7}

/* ============ sticky layout ============ */
.sticky-layout{
  display:grid;
  grid-template-columns:296px 1fr;
  gap:52px;
  align-items:start;
}
.toc-card{
  position:sticky;top:104px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 24px;
}
.toc-card h2{
  font-size:16px;font-weight:700;color:var(--c-primary-d);
  padding-bottom:14px;margin-bottom:10px;
  border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;gap:9px;
}
.toc-card h2 i{color:var(--c-accent);font-size:15px}
.toc-list{display:flex;flex-direction:column}
.toc-list a{
  display:block;padding:10px 0 10px 14px;
  font-size:14.5px;color:var(--c-text-2);
  border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.toc-list a:hover{color:var(--c-primary);border-left-color:var(--c-accent);padding-left:18px}
.toc-note{
  margin-top:20px;padding:16px;
  background:var(--c-primary-l);border-radius:var(--r-img);
  font-size:13.5px;line-height:1.8;color:var(--c-primary-d);
}
.point-list{border-top:1px solid var(--c-line)}
.point-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:32px 0;
  border-bottom:1px solid var(--c-line);
}
.point-num{
  font-size:22px;font-weight:800;line-height:1.2;
  color:var(--c-accent);font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.point-item h3{
  font-size:19px;font-weight:700;line-height:1.5;margin-bottom:10px;
}
.point-item p{
  margin:0;font-size:16px;line-height:1.9;color:var(--c-text-2);
}
.point-meta{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;font-size:13.5px;color:var(--c-text-3);
}
.point-meta i{color:var(--c-primary)}

/* ============ feature split ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.split-media{
  border-radius:16px;overflow:hidden;
  box-shadow:var(--sh-2);
  background:#fff;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:18px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.check-list li:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.check-list i{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-l);color:var(--c-primary);font-size:14px;
}
.check-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px;color:var(--c-text)}
.check-list span{font-size:14.5px;line-height:1.8;color:var(--c-text-2)}

/* ============ faq ============ */
.faq-wrap{
  display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;
}
.faq-side p{font-size:16px;line-height:1.9;color:var(--c-text-2)}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  background:transparent;border:0;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--c-text);line-height:1.6;
  cursor:pointer;transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .qi{
  flex:0 0 26px;width:26px;height:26px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-q[aria-expanded="true"]{color:var(--c-primary-d)}
.faq-q[aria-expanded="true"] .qi{transform:rotate(45deg);background:var(--c-accent);color:#fff}
.faq-a{padding:0 4px 24px;font-size:15.5px;line-height:1.95;color:var(--c-text-2);max-width:760px}

/* ============ cta band ============ */
.cta-band{
  background:linear-gradient(115deg,var(--c-primary-d) 0%,var(--c-primary) 62%,#0d7a74 100%);
  border-radius:20px;
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 22px 48px rgba(8,64,62,.26);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(242,112,60,.16);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);line-height:1.4;margin-bottom:10px;max-width:620px}
.cta-band p{color:rgba(255,255,255,.8);margin:0;font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.btn-primary-c,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary-c{
  background:var(--c-accent);color:#fff;
  box-shadow:0 10px 24px rgba(242,112,60,.3);
  border:1px solid var(--c-accent);
}
.btn-primary-c:hover{background:#df5f2c;color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(242,112,60,.36)}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px)}
.btn-outline-c{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-primary);
  color:var(--c-primary);background:transparent;
  font-size:15.5px;font-weight:600;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-outline-c:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px)}

/* ============ footer ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0}
.footer-logo{display:inline-flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-logo .logo-text{color:#fff}
.footer-logo .logo-text span:last-child{color:var(--c-accent-l)}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px;margin:0}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.78)}
.footer-links a:hover{color:var(--c-accent)}
.footer-info p{font-size:14.5px;line-height:1.85;margin:0 0 10px;color:rgba(255,255,255,.78)}
.footer-info em{font-style:normal;color:rgba(255,255,255,.5);margin-right:10px}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ============ responsive ============ */
@media (max-width:1199px){
  .section,.section-alt{padding:80px 0}
  .sticky-layout{grid-template-columns:258px 1fr;gap:38px}
  .faq-wrap{grid-template-columns:280px 1fr;gap:40px}
}
@media (max-width:991px){
  .section,.section-alt{padding:64px 0}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:104px 26px 40px;
    background:var(--c-primary-d);
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
    z-index:-1;
  }
  .nav-links.open{transform:translateX(0);z-index:1}
  .nav-links a{
    padding:18px 6px;font-size:17px;line-height:1.45;
    color:#fff;border-bottom:1px solid rgba(255,255,255,.12);border-radius:0;
    text-shadow:none;
  }
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--c-accent)}
  .page-hero{padding:120px 0 48px;min-height:auto}
  .stat-band{padding:34px 26px;margin-top:-30px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .sticky-layout{grid-template-columns:1fr;gap:32px}
  .toc-card{position:static}
  .split{grid-template-columns:1fr;gap:34px}
  .faq-wrap{grid-template-columns:1fr;gap:22px}
  .cta-band{padding:40px 28px}
}
@media (max-width:575px){
  .section,.section-alt{padding:52px 0}
  .point-item{grid-template-columns:1fr;gap:8px;padding:26px 0}
  .point-num{font-size:18px}
  .stat-grid{grid-template-columns:1fr;gap:20px}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px}
  .stat-item:first-child{border-top:0;padding-top:0}
  .hero-chips span{font-size:12.5px;padding:6px 12px}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-text-3:#8A9996;
  --c-bg:#F6F9F8;
  --c-card:#FFFFFF;
  --c-alt:#EDF4F2;
  --c-border:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,100,96,.06);
  --sh-2:0 12px 28px rgba(15,100,96,.12);
  --sh-3:0 6px 20px rgba(10,46,45,.08);
  --wrap:1240px;
  --pad:clamp(16px,4vw,32px);
  --sec-y:clamp(56px,7vw,104px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.3;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;margin-top:2.6rem;margin-bottom:.9rem;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.4em;}
ul,ol{margin:0 0 1.4em;padding-left:1.3em;}
li{line-height:1.85;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
::selection{background:var(--c-primary-l);color:var(--c-primary-d);}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
.section{padding-top:var(--sec-y);padding-bottom:var(--sec-y);}
.section--alt{background:var(--c-alt);}
.section--bg{background:var(--c-bg);}

/* ===== 导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1050;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.nav-bar{
  background:rgba(255,255,255,.14);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 2px 12px rgba(10,46,45,.06);
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled .nav-bar{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-border);
  box-shadow:var(--sh-3);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--c-accent);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  font-weight:800;
  box-shadow:0 4px 12px rgba(242,112,60,.28);
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.12;
  font-weight:800;
  font-size:15.5px;
  letter-spacing:-.02em;
  color:#fff;
  text-shadow:0 1px 3px rgba(4,32,31,.35);
  transition:color .25s ease;
}
.site-header.scrolled .logo-text{color:var(--c-primary-d);text-shadow:none;}
.nav-links{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,22px);
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.94);
  text-shadow:0 1px 3px rgba(4,32,31,.32);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
  border-radius:2px;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a:hover{color:#fff;}
.site-header.scrolled .nav-links a{color:var(--c-primary-d);text-shadow:none;}
.site-header.scrolled .nav-links a:hover{color:var(--c-primary);}
.nav-links a.active{font-weight:600;}
.nav-cta{flex:0 0 auto;}
.btn-nav{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  box-shadow:0 6px 16px rgba(242,112,60,.26);
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.btn-nav:hover{color:#fff;background:#DE5F2C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,112,60,.34);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.16);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  border-radius:2px;
  background:#fff;
  transition:transform .25s ease,opacity .25s ease,background-color .25s ease;
}
.site-header.scrolled .nav-toggle{border-color:var(--c-border);background:var(--c-primary-l);}
.site-header.scrolled .nav-toggle span{background:var(--c-primary-d);}

/* ===== 按钮 ===== */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:50px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(15,100,96,.22);}
.btn-main:hover{background:#0B504D;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px rgba(15,100,96,.28);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.66);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(242,112,60,.24);}
.btn-accent:hover{background:#DE5F2C;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px rgba(242,112,60,.3);}
.btn-ghost--dark{color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost--dark:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary);}
.btn-main:active,.btn-ghost:active,.btn-accent:active,.btn-nav:active{transform:translateY(0);}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  min-height:340px;
  display:flex;
  align-items:flex-end;
  padding-top:calc(72px + 46px);
  padding-bottom:clamp(32px,5vw,56px);
  background-image:linear-gradient(115deg,rgba(8,64,62,.92) 0%,rgba(15,100,96,.82) 48%,rgba(10,46,45,.86) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 0 0 40px rgba(255,255,255,.04),0 0 0 96px rgba(255,255,255,.03);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2;}
.breadcrumb-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
}
.breadcrumb-line a{color:rgba(255,255,255,.82);}
.breadcrumb-line a:hover{color:#fff;}
.breadcrumb-line span.sep{opacity:.55;}
.page-hero h1{color:#fff;max-width:20ch;}
.hero-lead{
  margin-top:18px;
  max-width:760px;
  font-size:clamp(15.5px,1.2vw,17px);
  line-height:1.9;
  color:rgba(255,255,255,.9);
  margin-bottom:26px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges .badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  font-size:13.5px;
  font-weight:500;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.hero-badges .badge i{color:#FFD3BF;}

/* ===== 通用标题 ===== */
.sec-head{max-width:820px;margin-bottom:clamp(28px,3.4vw,48px);}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.sec-head h2{margin-top:0;}
.sec-head p{color:var(--c-text-2);margin-bottom:0;font-size:16px;}

/* ===== 数据带 ===== */
.stats-band{
  background:var(--c-dark);
  color:#fff;
  padding-top:clamp(44px,5vw,72px);
  padding-bottom:clamp(44px,5vw,72px);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(18px,2.4vw,34px);
}
.stat-item{border-left:2px solid rgba(242,112,60,.7);padding-left:18px;}
.stat-num{
  font-size:clamp(30px,3.4vw,42px);
  font-weight:800;
  line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num small{font-size:.45em;font-weight:600;margin-left:5px;color:rgba(255,255,255,.7);}
.stat-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}

/* ===== 时间轴 ===== */
.timeline{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:clamp(14px,1.6vw,22px);
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  top:22px;left:6%;right:6%;
  height:1px;
  background:linear-gradient(90deg,rgba(15,100,96,.35),rgba(15,100,96,.12));
  z-index:0;
}
.tl-item{position:relative;z-index:1;}
.tl-dot{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--c-accent);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(242,112,60,.3);
  border:3px solid #fff;
}
.tl-card{
  margin-top:18px;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px 20px;
  height:calc(100% - 62px);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9E2DE;}
.tl-card h3{margin-bottom:10px;font-size:17px;color:var(--c-primary-d);}
.tl-card p{margin:0;font-size:14.6px;color:var(--c-text-2);line-height:1.8;}

/* ===== 图文交替 ===== */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:clamp(26px,4vw,64px);
  align-items:center;
}
.split + .split{margin-top:clamp(40px,5vw,80px);}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--sh-2);
  border:1px solid var(--c-border);
  background:#fff;
}
.split-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.035);}
.split-body h3{font-size:clamp(20px,2vw,24px);font-weight:700;margin-bottom:14px;color:var(--c-primary-d);}
.split-body p{color:var(--c-text-2);margin-bottom:1.2em;}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  position:relative;
  padding-left:28px;
  margin-bottom:10px;
  color:var(--c-text-2);
  font-size:15.5px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--c-primary-l);
  border:2px solid var(--c-primary);
}

/* ===== 左侧粘性 + 右侧清单 ===== */
.sticky-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:clamp(26px,4vw,64px);
  align-items:start;
}
.sticky-side{position:sticky;top:104px;}
.sticky-side h2{margin-top:0;}
.sticky-side p{color:var(--c-text-2);font-size:15.5px;}
.point-list{list-style:none;margin:0;padding:0;display:grid;gap:16px;}
.point-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:18px;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.point-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9E2DE;}
.point-num{
  font-size:22px;
  font-weight:800;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  line-height:1.4;
}
.point-item h3{font-size:17px;margin-bottom:8px;}
.point-item p{margin:0;color:var(--c-text-2);font-size:15px;}

/* ===== 状态条 ===== */
.status-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:34px;
}
.status-card{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
}
.status-card .st-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:8px;
}
.status-card h3{font-size:16px;}
.status-dot{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:var(--r-pill);
  padding:4px 11px;
}
.status-dot::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-primary);
}
.status-card p{margin:0;font-size:14.5px;color:var(--c-text-2);}

/* ===== FAQ ===== */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:clamp(26px,4vw,64px);
  align-items:start;
}
.faq-side h2{margin-top:0;}
.faq-side p{color:var(--c-text-2);font-size:15.5px;}
.faq-list{display:grid;gap:0;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 56px 20px 24px;
  position:relative;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  transition:color .25s ease,background-color .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:24px;top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--c-primary);
  transition:transform .25s ease,color .25s ease;
}
.faq-item[open] summary{color:var(--c-primary);background:var(--c-primary-l);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--c-accent);}
.faq-item summary:hover{background:var(--c-primary-l);}
.faq-body{padding:4px 24px 22px;color:var(--c-text-2);font-size:15.4px;}
.faq-body p:last-child{margin-bottom:0;}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(118deg,#08403E 0%,#0F6460 58%,#0A2E2D 100%);
  color:#fff;
  border-radius:var(--r-card);
  padding:clamp(34px,4.4vw,64px);
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:clamp(24px,3vw,48px);
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 0 0 34px rgba(255,255,255,.045);
  pointer-events:none;
}
.cta-band h2{color:#fff;margin-top:0;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.84);margin-bottom:0;position:relative;z-index:2;font-size:15.6px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;justify-content:flex-end;}

/* ===== 联系 ===== */
.contact-grid{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(24px,3.4vw,56px);
  align-items:start;
}
.contact-info{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:clamp(24px,3vw,34px);
  box-shadow:var(--sh-1);
}
.contact-info h3{font-size:19px;margin-bottom:18px;color:var(--c-primary-d);}
.contact-row{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px dashed var(--c-border);
  font-size:15px;
}
.contact-row:last-child{border-bottom:none;}
.contact-row i{
  width:38px;height:38px;
  flex:0 0 38px;
  border-radius:10px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
}
.contact-row em{display:block;font-style:normal;font-size:13px;color:var(--c-text-3);line-height:1.6;}
.contact-row strong{font-weight:600;color:var(--c-text);}
.contact-form{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:clamp(24px,3vw,34px);
  box-shadow:var(--sh-1);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text);}
.form-control-c{
  width:100%;
  height:48px;
  border-radius:var(--r-input);
  border:1px solid var(--c-border);
  background:#fff;
  padding:0 15px;
  font-size:15px;
  color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control-c{height:112px;padding:13px 15px;resize:vertical;line-height:1.8;}
.form-control-c::placeholder{color:var(--c-text-3);}
.form-control-c:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,100,96,.12);
}
.form-note{font-size:13px;color:var(--c-text-3);margin:12px 0 0;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.78);
  padding-top:clamp(48px,5.4vw,78px);
  padding-bottom:26px;
  margin-top:0;
}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-text{color:#fff;text-shadow:none;font-size:15.5px;}
.footer-desc{font-size:14.6px;line-height:1.9;color:rgba(255,255,255,.7);margin:0;max-width:33ch;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.03em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.6px;color:rgba(255,255,255,.78);}
.footer-links a:hover{color:var(--c-accent);}
.footer-info p{font-size:14.4px;margin:0 0 10px;color:rgba(255,255,255,.78);display:flex;gap:10px;}
.footer-info em{font-style:normal;color:rgba(255,255,255,.5);min-width:34px;}
.footer-info a{color:rgba(255,255,255,.82);}
.footer-info a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:clamp(32px,4vw,52px);
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13.4px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .nav-links{gap:12px;}
  .nav-links a{font-size:14.4px;}
}
@media (max-width:991.98px){
  :root{--sec-y:clamp(48px,6vw,72px);}
  .nav-links{
    position:fixed;
    top:72px;left:0;right:0;
    bottom:0;
    background:var(--c-primary-d);
    flex-direction:column;
    align-items:flex-start;
    gap:20px;
    padding:34px var(--pad);
    margin-left:0;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
    overflow-y:auto;
  }
  .nav-links a{
    color:#fff;
    text-shadow:none;
    font-size:17px;
    font-weight:500;
    width:100%;
    padding:6px 0;
  }
  .site-header.scrolled .nav-links a{color:#fff;}
  .site-header.scrolled .nav-links a:hover{color:#fff;}
  .nav-links a::after{background:var(--c-accent);}
  body.nav-open .nav-links{opacity:1;transform:translateY(0);pointer-events:auto;}
  body.nav-open{overflow:hidden;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-links{margin-left:0;}
  .nav-cta{display:none;}
  body.nav-open .nav-toggle span{background:var(--c-accent);}
  .sticky-layout,.faq-layout,.contact-grid,.cta-band{grid-template-columns:1fr;}
  .sticky-side{position:static;}
  .cta-actions{justify-content:flex-start;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline::before{display:none;}
  .tl-card{height:auto;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .status-strip{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .split{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .split-media img{aspect-ratio:16/10;}
  .point-item{grid-template-columns:1fr;gap:8px;}
  .point-num{font-size:19px;}
  .page-hero{min-height:300px;padding-top:calc(72px + 30px);}
  .hero-badges .badge{font-size:12.8px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .timeline{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .cta-actions .btn-main,.cta-actions .btn-accent{width:100%;}
  .btn-main,.btn-ghost,.btn-accent{height:48px;padding:0 20px;font-size:15px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-muted:#8A9996;
  --c-bg:#F6F9F8;
  --c-card:#FFFFFF;
  --c-alt:#EDF4F2;
  --c-border:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,100,96,.06);
  --sh-2:0 12px 28px rgba(15,100,96,.12);
  --sh-nav:0 6px 20px rgba(10,46,45,.08);
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary-d);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.4em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}

.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(16px,4vw,32px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  transition:background-color .25s ease,box-shadow .25s ease;
}
.nav-bar{
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 4px 18px rgba(10,46,45,.10);
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-inner{display:flex;align-items:center;gap:26px;height:var(--nav-h);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary),var(--c-accent));
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(9,42,41,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.14;font-weight:800;letter-spacing:-.02em;}
.logo-text span{font-size:15px;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.28);transition:color .25s ease;}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.94);
  padding:6px 0;text-shadow:0 1px 8px rgba(0,0,0,.24);transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(242,112,60,.32);transition:all .2s ease;
}
.btn-nav:hover{background:#de6130;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(242,112,60,.38);}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:#fff;transition:background-color .25s ease,transform .25s ease;}
.site-header.scrolled .nav-bar{
  background:#FFFFFF;border-bottom:1px solid var(--c-border);box-shadow:var(--sh-nav);
}
.site-header.scrolled .logo-text span{color:var(--c-primary-d);text-shadow:none;}
.site-header.scrolled .nav-links a{color:var(--c-text-2);text-shadow:none;}
.site-header.scrolled .nav-links a:hover,.site-header.scrolled .nav-links a.active{color:var(--c-primary-d);}
.site-header.scrolled .nav-toggle span{background:var(--c-primary-d);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(15,100,96,.22);}
.btn-primary:hover{background:#0c554f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px rgba(242,112,60,.3);}
.btn-accent:hover{background:#de6130;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary-d);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--nav-h) + 62px) 0 62px;
  background:#08403E url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(8,64,62,.94) 0%,rgba(8,64,62,.82) 48%,rgba(10,46,45,.62) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);opacity:.7;pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:#fff;background:rgba(242,112,60,.9);margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.3;font-weight:800;
  max-width:20em;margin-bottom:20px;
}
.hero-lead{
  color:rgba(255,255,255,.86);font-size:17px;line-height:1.95;max-width:760px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.16);border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);max-width:720px;
}
.hero-stats div{background:rgba(6,38,37,.55);padding:18px 22px;}
.hero-stats b{display:block;color:#fff;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.3;}
.hero-stats small{display:block;color:rgba(255,255,255,.74);font-size:13.5px;font-weight:400;}

/* ---------- 板块基础 ---------- */
.section{padding:clamp(56px,7vw,104px) 0;}
.section.alt{background:var(--c-alt);}
.section.white{background:#fff;}
.section-head{max-width:800px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent);}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;margin:0 0 .9rem;}
.section-head p{color:var(--c-text-2);font-size:16.5px;margin:0;}
h3{font-size:19px;line-height:1.5;font-weight:600;}

/* ---------- 粘性标题 + 清单 ---------- */
.split{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,56px);align-items:start;}
.split-side{position:sticky;top:calc(var(--nav-h) + 24px);}
.split-side .aside-figure{margin-top:26px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--c-border);}
.split-side .aside-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe4e0;}
.check-num{
  font-size:22px;font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;min-width:38px;
}
.check-item h3{margin-bottom:6px;font-size:18px;}
.check-item p{margin:0;color:var(--c-text-2);font-size:15.5px;}
.check-arrow{color:var(--c-primary);font-size:16px;opacity:.7;}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--sh-1);
}
table.spec{width:100%;min-width:880px;border-collapse:collapse;}
table.spec caption{
  caption-side:top;text-align:left;padding:18px 22px 0;
  font-size:14px;color:var(--c-muted);font-weight:400;
}
table.spec thead th{
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:14px;font-weight:700;text-align:left;white-space:nowrap;
  padding:16px 20px;border-bottom:1px solid var(--c-border);
}
table.spec tbody td{
  padding:17px 20px;border-bottom:1px solid var(--c-border);
  font-size:15px;color:var(--c-text-2);vertical-align:top;
}
table.spec tbody tr:last-child td{border-bottom:0;}
table.spec tbody tr:hover{background:#F2F9F7;}
table.spec tbody td:first-child{font-weight:600;color:var(--c-text);}
.badge-cell{
  display:inline-block;padding:3px 11px;border-radius:999px;font-size:13px;
  background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600;white-space:nowrap;
}
.badge-warn{background:var(--c-accent-l);color:#B24318;}
.table-note{margin-top:16px;font-size:14px;color:var(--c-muted);}

/* ---------- 流程时间轴 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;margin-top:8px;}
.flow::before{
  content:"";position:absolute;top:19px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-primary-l) 12%,var(--c-primary-l) 88%,transparent);
}
.flow-step{position:relative;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);padding:34px 22px 24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.flow-dot{
  position:absolute;top:-11px;left:22px;width:22px;height:22px;border-radius:50%;
  background:var(--c-accent);border:4px solid #fff;box-shadow:0 3px 10px rgba(242,112,60,.4);
}
.flow-step b{display:block;font-size:13.5px;color:var(--c-muted);font-weight:600;font-variant-numeric:tabular-nums;margin-bottom:8px;}
.flow-step h3{font-size:17.5px;margin-bottom:8px;}
.flow-step p{margin:0;font-size:15px;color:var(--c-text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,56px);align-items:start;}
.faq-side{position:sticky;top:calc(var(--nav-h) + 24px);}
.faq-side p{color:var(--c-text-2);font-size:15.5px;}
.acc{border-top:1px solid var(--c-border);}
.acc-item{border-bottom:1px solid var(--c-border);}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-text);transition:color .2s ease;
}
.acc-btn:hover{color:var(--c-primary);}
.acc-item.open .acc-btn{color:var(--c-primary);}
.acc-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-border);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;background:#fff;
}
.acc-item.open .acc-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.acc-panel p{padding:0 44px 22px 4px;margin:0;color:var(--c-text-2);font-size:15.5px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  padding:clamp(34px,5vw,58px);
  background:#08403E url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  box-shadow:var(--sh-2);
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,64,62,.94),rgba(15,100,96,.72));}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;}
.cta-inner h2{color:#fff;margin-bottom:.6rem;}
.cta-inner p{color:rgba(255,255,255,.84);margin:0;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 联系信息条 ---------- */
.contact-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px;
}
.contact-strip .item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.contact-strip i{color:var(--c-accent);font-size:19px;margin-top:4px;}
.contact-strip b{display:block;font-size:15.5px;margin-bottom:2px;}
.contact-strip span{font-size:14.5px;color:var(--c-text-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:8px;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-text span{color:#fff;text-shadow:none;}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);max-width:34ch;margin:0;}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-info p{display:flex;gap:10px;font-size:14.5px;margin:0 0 10px;color:rgba(255,255,255,.78);}
.footer-info em{font-style:normal;color:rgba(255,255,255,.5);min-width:36px;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:18px;}
  .nav-links a{font-size:14.5px;}
}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
    background:var(--c-primary-d);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:26px clamp(20px,6vw,32px);
    transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
    overflow-y:auto;
  }
  .site-header.nav-open .nav-links{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;}
  .nav-links a{width:100%;padding:18px 0;font-size:17px;color:#fff;text-shadow:none;border-bottom:1px solid rgba(255,255,255,.12);}
  .nav-links a::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta .btn-nav{display:none;}
  .split,.faq-wrap{grid-template-columns:1fr;}
  .split-side,.faq-side{position:static;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow::before{display:none;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .contact-strip{grid-template-columns:1fr;}
  .page-hero{padding-top:calc(var(--nav-h) + 44px);}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats div{padding:16px 18px;}
  .check-item{grid-template-columns:auto 1fr;gap:14px;padding:18px;}
  .check-arrow{display:none;}
  .acc-btn{font-size:16px;padding:18px 2px;}
  .acc-panel p{padding-right:10px;}
  .section{padding:56px 0;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575.98px){
  .flow{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category5 */
:root{
  --c-primary:#0F6460;
  --c-primary-d:#08403E;
  --c-primary-l:#E7F3F1;
  --c-accent:#F2703C;
  --c-accent-l:#FFEDE4;
  --c-text:#16211F;
  --c-text-2:#4C5C59;
  --c-text-3:#8A9996;
  --c-bg:#F6F9F8;
  --c-card:#FFFFFF;
  --c-alt:#EDF4F2;
  --c-border:#DFEAE8;
  --c-dark:#0A2E2D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,100,96,.06);
  --sh-2:0 12px 28px rgba(15,100,96,.12);
  --sh-nav:0 6px 20px rgba(10,46,45,.08);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--c-text);}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.3;}
h2{font-size:clamp(22px,2.6vw,32px);margin-top:2.6rem;margin-bottom:.9rem;}
h3{font-size:clamp(18px,1.6vw,20px);font-weight:600;line-height:1.5;}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(242,112,60,.55);
  outline-offset:2px;
  border-radius:6px;
}
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 clamp(16px,4vw,32px);
}
.section{padding:96px 0;}
.section.alt{background:var(--c-alt);}
.section-head{max-width:780px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-accent);
  background:var(--c-accent-l);
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.section-head h2{margin-top:0;margin-bottom:14px;}
.section-head p{color:var(--c-text-2);font-size:16.5px;margin:0;}
.lead{font-size:17px;color:var(--c-text-2);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  transition:background .25s ease,box-shadow .25s ease;
}
.nav-bar{
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 20px rgba(10,46,45,.10);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled .nav-bar{
  background:#FFFFFF;
  border-bottom-color:var(--c-border);
  box-shadow:var(--sh-nav);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),#12877F);
  color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:20px;
  box-shadow:0 6px 16px rgba(15,100,96,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text span{
  display:block;
  font-size:15px;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  text-shadow:0 1px 6px rgba(10,46,45,.35);
  transition:color .25s ease;
}
.site-header.scrolled .logo-text span{color:var(--c-primary-d);text-shadow:none;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.9);
  text-shadow:0 1px 6px rgba(10,46,45,.35);
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
  border-radius:2px;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a:hover{color:#fff;}
.site-header.scrolled .nav-links a{color:var(--c-text-2);text-shadow:none;}
.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links a.active{color:var(--c-primary);}
.nav-cta{flex:0 0 auto;}
.btn-nav{
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  box-shadow:0 8px 18px rgba(242,112,60,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-nav:hover{
  background:#e2602d;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 24px rgba(242,112,60,.34);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.12);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:background .25s ease,border-color .25s ease;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:#fff;
  transition:transform .25s ease,opacity .25s ease,background .25s ease;
}
.site-header.scrolled .nav-toggle{background:#fff;border-color:var(--c-border);}
.site-header.scrolled .nav-toggle span{background:var(--c-primary-d);}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:158px 0 76px;
  color:#fff;
  background:
    linear-gradient(120deg,rgba(8,64,62,.94) 0%,rgba(10,46,45,.86) 58%,rgba(15,100,96,.78) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;bottom:-180px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,112,60,.20),transparent 68%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:26px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;}
.crumb .current{color:#fff;font-weight:600;}
.hero-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:#FFD9C7;
  background:rgba(242,112,60,.22);
  border:1px solid rgba(242,112,60,.45);
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  max-width:16em;
  margin-bottom:20px;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.84);
  max-width:620px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-accent-c,.btn-ghost-c,.btn-primary-c,.btn-outline-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-accent-c{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 10px 24px rgba(242,112,60,.32);
}
.btn-accent-c:hover{
  background:#e2602d;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 30px rgba(242,112,60,.38);
}
.btn-ghost-c{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-ghost-c:hover{
  background:rgba(255,255,255,.16);
  color:#fff;
  transform:translateY(-1px);
}
.btn-primary-c{
  background:var(--c-primary);
  color:#fff;
  box-shadow:0 10px 24px rgba(15,100,96,.24);
}
.btn-primary-c:hover{
  background:var(--c-primary-d);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 30px rgba(15,100,96,.3);
}
.btn-outline-c{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-outline-c:hover{
  background:var(--c-primary-l);
  color:var(--c-primary-d);
  transform:translateY(-1px);
}
.glass-card{
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:0 18px 40px rgba(4,26,25,.25);
}
.glass-title{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin:0 0 18px;
  padding-bottom:14px;
  border-bottom:1px solid rgba(255,255,255,.2);
}
.glass-list{display:flex;flex-direction:column;gap:14px;margin-bottom:18px;}
.glass-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14.5px;
  color:rgba(255,255,255,.8);
}
.glass-list li b{
  font-size:13px;
  font-weight:600;
  color:#FFD9C7;
  background:rgba(242,112,60,.2);
  border-radius:999px;
  padding:3px 12px;
  white-space:nowrap;
}
.glass-note{
  font-size:13px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  margin:0;
}

/* ============ 状态带 ============ */
.status-band{
  background:var(--c-dark);
  color:#fff;
  padding:34px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.status-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.status-item{display:flex;align-items:center;gap:16px;}
.pulse{
  width:12px;height:12px;
  border-radius:50%;
  background:#39D98A;
  box-shadow:0 0 0 6px rgba(57,217,138,.16);
  flex:0 0 auto;
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 6px rgba(57,217,138,.16);}
  50%{box-shadow:0 0 0 12px rgba(57,217,138,.05);}
}
.status-num{
  font-size:26px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:#fff;
  min-width:64px;
  letter-spacing:-.02em;
}
.status-item b{
  display:block;
  font-size:15px;
  font-weight:600;
  color:#fff;
}
.status-item span{font-size:13.5px;color:rgba(255,255,255,.6);}

/* ============ 卡片瀑布 ============ */
.pub-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:24px;
}
.pub-card{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pub-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE3E0;}
.pub-card.large{grid-column:span 3;}
.pub-card.small{grid-column:span 2;}
.pub-figure{position:relative;overflow:hidden;}
.pub-card.large .pub-figure{aspect-ratio:16/9;}
.pub-card.small .pub-figure{aspect-ratio:16/10;}
.pub-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.pub-card:hover .pub-figure img{transform:scale(1.04);}
.pub-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,64,62,0) 45%,rgba(8,64,62,.42) 100%);
}
.pub-time{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  font-size:12.5px;
  font-weight:600;
  color:#fff;
  background:rgba(10,46,45,.6);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-radius:999px;
  padding:4px 12px;
  font-variant-numeric:tabular-nums;
}
.pub-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1;}
.badge-cat{
  display:inline-block;
  align-self:flex-start;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}
.pub-body h3{margin-bottom:10px;font-size:19px;line-height:1.5;}
.pub-card.small .pub-body h3{font-size:17px;}
.pub-body p{font-size:14.8px;color:var(--c-text-2);margin-bottom:18px;}
.pub-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
}
.pub-link i{transition:transform .25s ease;}
.pub-link:hover i{transform:translateX(4px);}

/* ============ 更新一览表 ============ */
.table-scroll{
  overflow-x:auto;
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.upd-table{
  width:100%;
  min-width:680px;
  border-collapse:separate;
  border-spacing:0;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  font-size:15px;
}
.upd-table th{
  background:var(--c-primary-l);
  color:var(--c-primary-d);
  font-size:14px;
  font-weight:600;
  text-align:left;
  padding:16px 22px;
  white-space:nowrap;
}
.upd-table td{
  padding:18px 22px;
  border-top:1px solid var(--c-border);
  color:var(--c-text-2);
  vertical-align:middle;
}
.upd-table tbody tr{transition:background .2s ease;}
.upd-table tbody tr:hover{background:var(--c-primary-l);}
.upd-table td:first-child{
  font-weight:700;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  width:80px;
}
.upd-table td:nth-child(2){color:var(--c-text);font-weight:600;}
.upd-table td:last-child{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--c-text-3);}
.table-note{
  margin-top:18px;
  font-size:13.5px;
  color:var(--c-text-3);
}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:56px;
  align-items:start;
}
.faq-side h2{margin-top:0;}
.faq-side p{color:var(--c-text-2);font-size:15.5px;margin-bottom:22px;}
.faq-list{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-item summary{
  position:relative;
  display:block;
  cursor:pointer;
  list-style:none;
  padding:22px 48px 22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:10px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--c-primary);
  line-height:1;
  transition:transform .25s ease,color .25s ease;
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--c-accent);}
.faq-answer{padding:0 44px 24px 0;color:var(--c-text-2);font-size:15.5px;}
.faq-answer p{margin:0;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(125deg,var(--c-primary-d) 0%,var(--c-primary) 55%,#12877F 100%);
  border-radius:20px;
  padding:56px clamp(24px,5vw,64px);
  color:#fff;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 20px 44px rgba(8,64,62,.24);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,112,60,.28),transparent 70%);
}
.cta-band h2{margin:0 0 10px;color:#fff;font-size:clamp(22px,2.4vw,30px);}
.cta-band p{color:rgba(255,255,255,.82);max-width:620px;margin:0;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.78);
  padding:72px 0 0;
  margin-top:8px;
  font-size:14.5px;
}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-logo .logo-text span{color:#fff;text-shadow:none;}
.footer-desc{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.9;max-width:34ch;margin:0;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-info p{
  display:flex;
  gap:10px;
  margin:0 0 12px;
  color:rgba(255,255,255,.78);
  font-size:14.5px;
}
.footer-info em{font-style:normal;color:rgba(255,255,255,.45);min-width:42px;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14.5px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .page-hero{padding:132px 0 60px;}
  .pub-grid{grid-template-columns:repeat(4,1fr);}
  .pub-card.large{grid-column:span 4;}
  .pub-card.small{grid-column:span 2;}
  .status-grid{grid-template-columns:1fr;gap:18px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;
    left:0;right:0;top:72px;bottom:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:20px clamp(20px,6vw,36px) 40px;
    background:var(--c-primary-d);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
    z-index:1039;
  }
  .site-header.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    width:100%;
    color:#fff;
    text-shadow:none;
    font-size:17px;
    line-height:1.5;
    padding:18px 0;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .nav-links a::after{display:none;}
  .nav-links a:hover,.nav-links a.active{color:var(--c-accent);}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .page-hero{padding:118px 0 52px;}
  .hero-actions{gap:12px;}
  .btn-accent-c,.btn-ghost-c,.btn-primary-c,.btn-outline-c{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .cta-actions{width:100%;}
  .glass-card{padding:22px;}
  .pub-body{padding:20px 20px 24px;}
  .cta-band{padding:36px 24px;border-radius:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:575.98px){
  .pub-grid{grid-template-columns:1fr;}
  .pub-card.large,.pub-card.small{grid-column:span 1;}
  .pub-card.large .pub-figure,.pub-card.small .pub-figure{aspect-ratio:16/9;}
  .upd-table th,.upd-table td{padding:14px 16px;}
  .faq-item summary{font-size:16px;padding:18px 42px 18px 0;}
  .faq-answer{padding-right:20px;}
}