/* roulang page: index */
:root{
  --ink:#101A3D;
  --deep:#0B1026;
  --gold:#D8A64B;
  --gold-dark:#C08F35;
  --nebula:#5B62B8;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --text:#232838;
  --text-2:#5C6273;
  --text-inv:#EDEFF7;
  --text-weak:#8B90A0;
  --ok:#2E7D5B;
  --warn:#C7772B;
  --danger:#B7433A;
  --r-card:10px;
  --r-btn:6px;
  --shadow-1:0 1px 2px rgba(16,26,61,.04);
  --shadow-2:0 10px 28px rgba(16,26,61,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--gold-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--ink);}
p{margin:0;}
button{font:inherit;color:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* 容器与基础排版 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.section-head .head-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:46em;}
.text-link{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .18s ease-out,border-color .18s ease-out;}
.text-link:hover{color:var(--ink);border-bottom-color:var(--gold);}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--nebula);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--gold);color:#181E36;border-color:var(--gold);}
.btn-primary:hover{background:#E3B463;color:#141A2E;transform:translateY(-1px);box-shadow:0 8px 20px rgba(11,16,38,.22);}
.btn-ghost{background:transparent;color:var(--text-inv);border-color:rgba(237,239,247,.42);}
.btn-ghost:hover{color:#FFFFFF;border-color:var(--gold);background:rgba(216,166,75,.08);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--ink);border-color:#C9CCD8;}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章与标签 */
.badge{
  display:inline-block;border-radius:999px;padding:3px 12px;
  font-size:13px;line-height:1.6;color:var(--nebula);
  border:1px solid rgba(91,98,184,.45);background:transparent;
  font-family:var(--sans);
}
.badge-gold{color:var(--gold-dark);border-color:rgba(216,166,75,.55);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:var(--nav-h);display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .18s ease-out,border-color .18s ease-out,backdrop-filter .18s ease-out;
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.94);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--gold) 0 38%,rgba(216,166,75,.28) 42% 100%);
  box-shadow:0 0 0 3px rgba(216,166,75,.14);
  flex:none;
}
.brand-name{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.02em;color:var(--text-inv);transition:color .18s ease-out;}
.main-nav ul{display:flex;align-items:center;gap:30px;}
.main-nav a{
  position:relative;display:inline-block;font-size:15px;letter-spacing:.02em;
  color:rgba(237,239,247,.86);padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:width .22s ease-out;
}
.main-nav a:hover{color:#FFFFFF;}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:#FFFFFF;}
.main-nav a.is-active::after{width:100%;height:2px;bottom:-6px;background:var(--gold);}
.site-header.is-scrolled .brand-name{color:var(--ink);}
.site-header.is-scrolled .main-nav a{color:var(--text-2);}
.site-header.is-scrolled .main-nav a:hover{color:var(--ink);}
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(237,239,247,.35);
  border-radius:var(--r-btn);background:transparent;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:1px;background:var(--text-inv);position:relative;transition:background-color .18s ease-out;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1px;background:var(--text-inv);transition:transform .18s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.site-header.is-scrolled .nav-toggle{border-color:#C9CCD8;}
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after{background:var(--ink);}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;z-index:300;
  background:var(--deep);color:var(--text-inv);
  transform:translateX(100%);transition:transform .24s ease-out;
  padding:24px 24px 32px;display:flex;flex-direction:column;gap:24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer .brand-name{color:var(--text-inv);}
.drawer-close{
  width:40px;height:40px;border:1px solid rgba(237,239,247,.28);background:transparent;
  border-radius:var(--r-btn);cursor:pointer;color:var(--text-inv);font-size:18px;line-height:1;
}
.drawer-close:hover{border-color:var(--gold);color:var(--gold);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:block;padding:16px 0;font-size:16px;color:var(--text-inv);
  border-bottom:1px solid rgba(237,239,247,.12);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--gold);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,16,38,.5);z-index:290;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 极简首屏 */
.hero{
  position:relative;min-height:clamp(560px,78vh,760px);
  display:flex;align-items:center;
  background:#0B1026 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,16,38,.86),rgba(11,16,38,.62));
}
.hero::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:460px;height:360px;
  background-image:radial-gradient(circle,rgba(216,166,75,.9) 1px,transparent 1.6px);
  background-size:132px 124px;opacity:.18;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:620px;padding:140px 24px 96px;}
.hero-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--gold);
  border:1px solid rgba(216,166,75,.42);border-radius:999px;padding:5px 14px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.25;color:var(--text-inv);margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(237,239,247,.86);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-note{margin-top:20px;font-size:13px;color:rgba(237,239,247,.66);}

/* 品牌主张带 */
.claim{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;}
.claim-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.claim-line{font-family:var(--serif);font-size:20px;color:var(--ink);letter-spacing:.02em;}
.claim-points{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.claim-points li{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px;}
.claim-points li::before{content:"";width:14px;height:1px;background:var(--gold);flex:none;}

/* 双栏叙事 */
.story-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);}
.story-list{display:flex;flex-direction:column;gap:26px;margin-top:26px;}
.story-item{display:flex;gap:18px;}
.story-num{font-family:var(--serif);font-size:15px;color:var(--gold-dark);letter-spacing:.08em;padding-top:3px;flex:none;}
.story-item h3{font-size:18px;line-height:1.5;margin-bottom:6px;}
.story-item p{font-size:15px;color:var(--text-2);max-width:44em;}

/* 卡片 */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:rgba(216,166,75,.55);box-shadow:var(--shadow-2);}
.card-media{overflow:hidden;background:var(--ink);}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-weak);}
.card-arrow{color:var(--gold-dark);font-size:16px;transition:transform .18s ease-out;}
.card:hover .card-arrow{transform:translateX(3px);}

/* 最新信息（CMS） */
.latest{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.latest-grid{align-items:flex-start;}
.feature-card{display:block;height:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease-out,transform .18s ease-out;}
.feature-card:hover{border-color:rgba(216,166,75,.55);transform:translateY(-2px);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-body{padding:22px;display:flex;flex-direction:column;gap:12px;}
.feature-body h3{font-size:21px;line-height:1.45;}
.feature-body p{font-size:15px;color:var(--text-2);}
.meta-line{font-size:13px;color:var(--text-weak);display:flex;gap:14px;flex-wrap:wrap;}
.latest-list{display:flex;flex-direction:column;}
.latest-row{padding:18px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px;}
.latest-row:first-child{padding-top:0;}
.latest-row h3{font-size:17px;line-height:1.55;}
.latest-row h3 a{color:var(--ink);}
.latest-row h3 a:hover{color:var(--gold-dark);}
.latest-row p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.cms-empty{
  padding:32px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper);color:var(--text-2);font-size:15px;
}

/* 深色信任带 */
.trust{background:var(--deep);color:var(--text-inv);position:relative;overflow:hidden;}
.trust::after{
  content:"";position:absolute;left:-60px;top:-40px;width:360px;height:280px;
  background-image:radial-gradient(circle,rgba(237,239,247,.75) 1px,transparent 1.6px);
  background-size:140px 132px;opacity:.14;pointer-events:none;
}
.trust .section-head h2,.trust .head-sub{color:var(--text-inv);}
.trust .head-sub{color:rgba(237,239,247,.72);}
.trust-grid{position:relative;z-index:2;row-gap:24px;}
.trust-item{
  border:1px solid rgba(237,239,247,.14);border-radius:12px;
  padding:24px;background:rgba(237,239,247,.03);height:100%;
}
.trust-item .num{font-family:var(--serif);font-size:14px;color:var(--gold);letter-spacing:.1em;}
.trust-item h3{margin-top:12px;font-size:18px;color:var(--text-inv);}
.trust-item p{margin-top:8px;font-size:14px;color:rgba(237,239,247,.7);}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;padding:18px 0;}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--gold);}
.faq-q{margin:0;}
.faq-q button{
  width:100%;display:flex;align-items:center;gap:12px;padding:0 0 0 14px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-family:var(--serif);font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none;}
.faq-q .faq-sign{margin-left:auto;color:var(--text-weak);font-family:var(--sans);font-size:18px;line-height:1;transition:transform .18s ease-out;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);color:var(--gold-dark);}
.faq-a{padding:12px 0 0 28px;}
.faq-a p{font-size:15px;color:var(--text-2);max-width:46em;}
.faq-more{margin-top:28px;font-size:14px;color:var(--text-2);}

/* 订阅 CTA */
.cta-band{
  position:relative;background:var(--deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:var(--text-inv);overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,16,38,.94),rgba(11,16,38,.78));}
.cta-inner{position:relative;z-index:2;display:flex;gap:48px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;}
.cta-copy{max-width:520px;}
.cta-copy h2{color:var(--text-inv);font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-copy p{margin-top:14px;font-size:15px;color:rgba(237,239,247,.78);}
.cta-form-block{width:100%;max-width:480px;}
.sub-form{display:flex;gap:12px;align-items:stretch;}
.sub-form input{
  flex:1;min-width:0;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid #C9CCD8;background:rgba(246,245,241,.96);color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.sub-form input::placeholder{color:var(--text-weak);}
.sub-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(216,166,75,.18);}
.form-note{margin-top:12px;font-size:13px;color:rgba(237,239,247,.66);}
.form-note.is-error{color:#F0A9A2;}
.form-note.is-success{
  color:#BFE6D2;background:rgba(46,125,91,.16);border:1px solid rgba(46,125,91,.5);
  border-radius:var(--r-btn);padding:10px 14px;
}

/* 页脚 */
.site-footer{background:var(--deep);color:var(--text-inv);padding:72px 0 0;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:24px;width:64px;height:4px;background:var(--gold);}
.footer-grid{row-gap:36px;padding-top:12px;}
.brand-footer .brand-name{color:var(--text-inv);font-size:18px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:2;color:rgba(237,239,247,.7);max-width:32em;}
.footer-col h4{font-size:14px;color:var(--text-inv);letter-spacing:.06em;margin-bottom:16px;font-family:var(--sans);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(237,239,247,.7);line-height:2;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(237,239,247,.14);
  padding:24px 0 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(237,239,247,.6);}
.to-top{font-size:13px;color:rgba(237,239,247,.72);}
.to-top:hover{color:var(--gold);}

/* 响应式 */
@media screen and (max-width:1024px){
  .section{padding:80px 0;}
  .latest-list{margin-top:8px;}
}
@media screen and (max-width:768px){
  .section{padding:60px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .hero{min-height:auto;}
  .hero-inner{padding:120px 24px 72px;max-width:100%;}
  .hero-sub{font-size:16px;}
  .claim{text-align:left;}
  .claim-inner{flex-direction:column;align-items:flex-start;gap:20px;}
  .story-list{margin-top:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .faq-q button{font-size:15px;}
  .claim-line{font-size:18px;}
}
@media screen and (max-width:480px){
  body{font-size:15px;}
  .hero h1{font-size:26px;}
  .section{padding:52px 0;}
  .brand-name{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#101A3D;
  --ink-deep:#0B1026;
  --gold:#D8A64B;
  --gold-dark:#C08F35;
  --violet:#5B62B8;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --line-soft:#EDEBE4;
  --text:#232838;
  --text-2:#5C6273;
  --text-inv:#EDEFF7;
  --text-mute:#8B90A0;
  --ok:#2E7D5B;
  --warn:#C7772B;
  --danger:#B7433A;
  --r-card:10px;
  --r-card-dark:12px;
  --r-btn:6px;
  --shadow-1:0 1px 2px rgba(16,26,61,.04);
  --shadow-2:0 10px 26px rgba(16,26,61,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--gold-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
  border-radius:3px;
}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:0;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
::selection{background:rgba(216,166,75,.28);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.container-narrow{max-width:880px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:transparent;
  transition:background .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.94);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,26,61,.04);
}
.header-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-weight:600;
  font-size:18px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-mark{
  position:relative;
  width:14px;
  height:14px;
  flex:0 0 14px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--gold) 0 3px,rgba(216,166,75,.28) 3px 6px,transparent 7px);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:-5px;
  border:1px solid rgba(216,166,75,.42);
  border-radius:50%;
}
.site-header .brand{color:var(--text-inv);}
.site-header.is-scrolled .brand{color:var(--ink);}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:30px;
}
.main-nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  letter-spacing:.02em;
  padding:6px 0;
  color:rgba(237,239,247,.86);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--gold);
  transition:width .2s ease-out;
}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--gold);}
.main-nav a.is-active::after{width:100%;}
.site-header.is-scrolled .main-nav a{color:var(--text-2);}
.site-header.is-scrolled .main-nav a:hover{color:var(--ink);}
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-btn);
  border:1px solid rgba(237,239,247,.34);
  color:var(--text-inv);
  align-items:center;
  justify-content:center;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);color:var(--ink);}
.nav-toggle span{
  display:block;
  width:18px;
  height:1.5px;
  background:currentColor;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:1.5px;
  background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{
  background:var(--gold);
  color:var(--ink-deep);
  box-shadow:0 1px 2px rgba(16,26,61,.10);
}
.btn-primary:hover{
  background:#E2B25C;
  color:var(--ink-deep);
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(216,166,75,.32);
}
.btn-ghost{
  background:transparent;
  border-color:#C9CCD8;
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--gold);
  color:var(--ink);
  transform:translateY(-1px);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  margin-top:calc(-1 * var(--nav-h));
  padding:calc(var(--nav-h) + 58px) 0 56px;
  background-image:linear-gradient(to top,rgba(11,16,38,.88),rgba(11,16,38,.62)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:340px;
  height:340px;
  opacity:.18;
  background:
    radial-gradient(circle at 20% 30%,rgba(216,166,75,.9) 0 1.5px,transparent 2px),
    radial-gradient(circle at 70% 15%,rgba(237,239,247,.9) 0 1.5px,transparent 2px),
    radial-gradient(circle at 45% 70%,rgba(216,166,75,.8) 0 1.5px,transparent 2px),
    radial-gradient(circle at 88% 58%,rgba(237,239,247,.7) 0 1.5px,transparent 2px);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(237,239,247,.66);
  margin-bottom:18px;
}
.crumbs a{color:rgba(237,239,247,.82);}
.crumbs a:hover{color:var(--gold);}
.crumbs .sep{color:rgba(237,239,247,.36);}
.crumbs .current{color:rgba(237,239,247,.6);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 13px;
  border-radius:999px;
  border:1px solid rgba(91,98,184,.75);
  background:rgba(91,98,184,.14);
  color:#C7CBF0;
  font-size:13px;
  letter-spacing:.02em;
}
.page-head h1{
  color:#fff;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;
  max-width:20em;
  margin:16px 0 20px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  padding-top:18px;
  border-top:1px solid rgba(237,239,247,.16);
  font-size:13px;
  color:rgba(237,239,247,.7);
}
.meta-row .dot{
  width:3px;
  height:3px;
  border-radius:50%;
  background:var(--gold);
  display:inline-block;
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:8px;}

/* ---------- 正文区 ---------- */
.article-section{padding:72px 0 40px;}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:32px 36px 40px;
}
.article-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:16px;
  margin-bottom:28px;
  border-bottom:1px solid var(--line-soft);
}
.toolbar-label{
  font-size:13px;
  letter-spacing:.14em;
  color:var(--text-mute);
}
.back-link{
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.back-link:hover{border-bottom-color:var(--gold);color:var(--ink);}

.article-body{
  max-width:820px;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;color:var(--text-2);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body a{color:var(--ink);border-bottom:1px solid rgba(216,166,75,.7);}
.article-body a:hover{color:var(--gold-dark);}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.4;
  margin:44px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  width:3px;
  height:1em;
  background:var(--gold);
  border-radius:2px;
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  margin:30px 0 12px;
}
.article-body h4{font-size:16px;margin:24px 0 10px;}
.article-body blockquote{
  margin:26px 0;
  padding:16px 22px;
  border-left:3px solid var(--gold);
  background:#F2F1EC;
  border-radius:0 8px 8px 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  margin:26px auto;
  border-radius:8px;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-mute);
  margin-top:10px;
}
.article-body ul{padding-left:0;margin:0 0 1.2em;}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:9px;
  color:var(--text-2);
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.78em;
  width:6px;
  height:6px;
  background:var(--gold);
}
.article-body ol{
  counter-reset:artol;
  padding-left:0;
  margin:0 0 1.2em;
}
.article-body ol li{
  position:relative;
  padding-left:32px;
  margin-bottom:10px;
  color:var(--text-2);
  counter-increment:artol;
}
.article-body ol li::before{
  content:counter(artol,decimal-leading-zero);
  position:absolute;
  left:0;
  top:.28em;
  font-family:var(--serif);
  font-size:14px;
  font-weight:600;
  color:var(--gold-dark);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
}
.article-body th{
  background:var(--ink);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  border:1px solid var(--ink);
}
.article-body td{
  padding:12px 14px;
  border:1px solid var(--line);
  color:var(--text-2);
}
.article-body tr:nth-child(even) td{background:#FAF9F6;}
.article-body code{
  background:#F2F1EC;
  border:1px solid var(--line);
  border-radius:4px;
  padding:1px 6px;
  font-size:14px;
  color:var(--ink);
}
.article-body pre{
  background:var(--ink-deep);
  color:var(--text-inv);
  border-radius:8px;
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0;}

.empty-state{
  padding:24px 0 8px;
}
.empty-state h2{
  font-size:24px;
  margin:0 0 12px;
  padding-left:16px;
  position:relative;
  font-family:var(--serif);
  color:var(--ink);
}
.empty-state h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  width:3px;
  height:1em;
  background:var(--gold);
}
.empty-state p{color:var(--text-2);}

/* ---------- 文章尾部 ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line-soft);
}
.tag-row .tag-label{
  font-size:13px;
  color:var(--text-mute);
  margin-right:4px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(91,98,184,.6);
  background:transparent;
  color:var(--violet);
  font-size:13px;
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.tag:hover{
  border-color:var(--gold);
  color:var(--gold-dark);
  background:rgba(216,166,75,.07);
}
.share-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:22px;
}
.share-note{
  font-size:13px;
  color:var(--text-mute);
  margin-left:4px;
}
.toast{
  display:none;
  margin-top:16px;
  padding:10px 16px;
  border:1px solid var(--line);
  border-left:3px solid var(--ok);
  background:#F4F7F4;
  border-radius:0 6px 6px 0;
  font-size:13px;
  color:var(--ok);
}
.toast.is-visible{display:block;}

.jump-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:56px;
}
.jump-card{
  display:block;
  background:var(--ink-deep);
  border:1px solid rgba(237,239,247,.14);
  border-radius:var(--r-card-dark);
  padding:26px 26px 24px;
  color:var(--text-inv);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.jump-card:hover{
  transform:translateY(-2px);
  border-color:rgba(216,166,75,.55);
  box-shadow:var(--shadow-2);
  color:#fff;
}
.jump-card .jump-kicker{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--gold);
  display:block;
  margin-bottom:12px;
}
.jump-card h3{
  color:#fff;
  font-size:19px;
  margin-bottom:10px;
}
.jump-card p{
  color:rgba(237,239,247,.72);
  font-size:14px;
  margin:0;
}
.jump-card .jump-more{
  display:inline-block;
  margin-top:16px;
  font-size:13px;
  color:var(--gold);
}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:sticky;
  top:calc(var(--nav-h) + 24px);
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:22px 22px 24px;
  margin-bottom:24px;
}
.side-card h2{
  font-size:16px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line-soft);
}
.toc-list li{margin-bottom:8px;}
.toc-list a{
  display:block;
  font-size:14px;
  line-height:1.65;
  color:var(--text-2);
  padding-left:12px;
  border-left:2px solid transparent;
}
.toc-list a:hover{
  color:var(--ink);
  border-left-color:var(--gold);
}
.side-list li{
  border-bottom:1px solid var(--line-soft);
}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:block;
  padding:12px 0;
  font-size:14px;
  color:var(--text-2);
}
.side-list a:hover{color:var(--ink);}
.side-list a span{
  display:block;
  font-size:12px;
  color:var(--text-mute);
  margin-top:2px;
}
.side-cta{
  background:var(--ink-deep);
  border-color:rgba(237,239,247,.14);
  color:var(--text-inv);
}
.side-cta h2{
  color:#fff;
  border-bottom-color:rgba(237,239,247,.16);
}
.side-cta p{
  font-size:14px;
  color:rgba(237,239,247,.74);
  margin-bottom:18px;
}

/* ---------- 相关推荐 ---------- */
.related-section{padding:24px 0 96px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:30px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
}
.section-head .head-note{
  font-size:13px;
  color:var(--text-mute);
  margin-top:8px;
}
.text-link{
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
  white-space:nowrap;
}
.text-link:hover{border-bottom-color:var(--gold);color:var(--ink);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:rgba(216,166,75,.55);
  box-shadow:var(--shadow-2);
}
.post-thumb{
  position:relative;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:linear-gradient(160deg,#101A3D,#0B1026);
}
.post-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease-out;
}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-thumb .badge{
  position:absolute;
  left:14px;
  top:14px;
  background:rgba(11,16,38,.72);
}
.post-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.post-body h3{
  font-size:17px;
  line-height:1.5;
  margin-bottom:10px;
}
.post-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  margin:0 0 16px;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-mute);
  padding-top:14px;
  border-top:1px solid var(--line-soft);
}
.post-meta .arrow{color:var(--gold-dark);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink-deep);
  padding:64px 0;
  overflow:hidden;
  border-top:4px solid transparent;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:.22;
  background:
    radial-gradient(circle at 12% 26%,rgba(216,166,75,.9) 0 1.5px,transparent 2px),
    radial-gradient(circle at 34% 68%,rgba(237,239,247,.7) 0 1.5px,transparent 2px),
    radial-gradient(circle at 58% 22%,rgba(216,166,75,.7) 0 1.5px,transparent 2px),
    radial-gradient(circle at 78% 62%,rgba(237,239,247,.6) 0 1.5px,transparent 2px),
    radial-gradient(circle at 92% 34%,rgba(216,166,75,.8) 0 1.5px,transparent 2px);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(22px,2.8vw,30px);
  line-height:1.35;
  margin-bottom:12px;
}
.cta-inner p{
  color:rgba(237,239,247,.74);
  font-size:15px;
  margin:0;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}
.cta-band .btn-ghost{
  border-color:rgba(237,239,247,.34);
  color:var(--text-inv);
}
.cta-band .btn-ghost:hover{
  border-color:var(--gold);
  color:var(--gold);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(237,239,247,.72);
  padding:0 0 26px;
  font-size:13px;
}
.site-footer::before{
  content:"";
  display:block;
  width:64px;
  height:4px;
  background:var(--gold);
  margin:0 0 44px;
  transform:translateX(24px);
}
.footer-grid{padding-bottom:36px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-desc{
  font-size:13px;
  line-height:2;
  color:rgba(237,239,247,.6);
  max-width:30em;
  margin:0;
}
.footer-col h4{
  color:#fff;
  font-size:14px;
  margin-bottom:16px;
}
.footer-col ul li{line-height:2;}
.footer-col a,.footer-col span{color:rgba(237,239,247,.66);font-size:13px;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  border-top:1px solid rgba(237,239,247,.12);
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(237,239,247,.55);}
.to-top{
  font-size:13px;
  color:rgba(237,239,247,.72);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.to-top:hover{color:var(--gold);border-bottom-color:var(--gold);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .card-grid{gap:24px;}
}
@media (max-width:1024px){
  .article-section{padding:56px 0 32px;}
  .sidebar{position:static;margin-top:40px;}
  .side-card{margin-bottom:20px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sidebar .side-card:last-child{margin-bottom:0;}
}
@media (max-width:900px){
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-actions{justify-content:flex-start;}
  .jump-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  :root{--nav-h:60px;}
  .container{padding:0 18px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    z-index:80;
    width:min(80vw,320px);
    height:100vh;
    background:var(--paper);
    padding:88px 26px 32px;
    transform:translateX(102%);
    transition:transform .24s ease-out;
    box-shadow:-10px 0 30px rgba(11,16,38,.2);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav a{
    color:var(--text-2) !important;
    display:block;
    padding:16px 0;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .main-nav a::after{display:none;}
  .main-nav a:hover,.main-nav a.is-active{color:var(--ink) !important;}
  .main-nav a.is-active::before{
    content:"";
    display:inline-block;
    width:6px;
    height:6px;
    background:var(--gold);
    margin-right:10px;
    vertical-align:middle;
  }
  .page-head{padding:calc(var(--nav-h) + 40px) 0 42px;}
  .page-head::after{width:220px;height:220px;}
  .article-card{padding:24px 20px 30px;}
  .article-toolbar{flex-direction:column;align-items:flex-start;gap:8px;}
  .article-body{font-size:16px;line-height:1.85;}
  .related-section{padding:16px 0 64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .card-grid{grid-template-columns:1fr;gap:22px;}
  .cta-band{padding:48px 0;}
  .site-footer::before{transform:translateX(18px);margin-bottom:34px;}
  .footer-grid .footer-col{margin-top:28px;}
  .footer-grid .footer-col:first-child{margin-top:0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:480px){
  .page-head h1{font-size:26px;}
  .meta-row{flex-direction:column;align-items:flex-start;gap:8px;}
  .meta-row .dot{display:none;}
  .btn{width:100%;}
  .share-row .btn{width:100%;}
  .article-card{padding:20px 16px 26px;}
  .brand{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition:none !important;
    animation:none !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --ink:#101A3D;
  --ink-deep:#0B1026;
  --gold:#D8A64B;
  --gold-dark:#C08F35;
  --nebula:#5B62B8;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --text:#232838;
  --text-soft:#5C6273;
  --text-invert:#EDEFF7;
  --text-mute:#8B90A0;
  --ok:#2E7D5B;
  --warn:#C7772B;
  --danger:#B7433A;
  --r-card:10px;
  --r-btn:6px;
  --shadow-card:0 1px 2px rgba(16,26,61,.04);
  --shadow-hover:0 12px 26px rgba(11,16,38,.10);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--nebula);text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;max-width:46em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;color:inherit;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--text-invert);padding:10px 16px;z-index:200;border-radius:0 0 var(--r-btn) 0;}
.skip-link:focus{left:0;color:var(--text-invert);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:640px){
  .container{padding:0 18px;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  transition:background .22s ease-out,border-color .22s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.94);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:12px;height:12px;
  display:inline-block;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 4px rgba(216,166,75,.14);
}
.brand-name{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--text-invert);
  transition:color .22s ease-out;
}
.site-header.is-scrolled .brand-name{color:var(--ink);}
.main-nav ul{display:flex;align-items:center;gap:30px;}
.main-nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  letter-spacing:.02em;
  color:rgba(237,239,247,.84);
  padding:6px 0;
  transition:color .18s ease-out;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease-out;
}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after{transform:scaleX(1);}
.site-header.is-scrolled .main-nav a{color:var(--text-soft);}
.site-header.is-scrolled .main-nav a:hover{color:var(--ink);}
.main-nav a.is-active{color:#fff;}
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink);}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid rgba(237,239,247,.32);
  background:transparent;
  border-radius:var(--r-btn);
  cursor:pointer;
  padding:0;
  position:relative;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);}
.nav-toggle span{
  position:absolute;
  left:11px;right:11px;
  height:1.5px;
  background:var(--text-invert);
  transition:background .2s,transform .2s,opacity .2s;
}
.site-header.is-scrolled .nav-toggle span{background:var(--ink);}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:19px;}
.nav-toggle span:nth-child(3){top:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{
  background:var(--gold);
  color:#101A3D;
  box-shadow:0 1px 2px rgba(11,16,38,.16);
}
.btn-primary:hover{
  background:#E1B563;
  color:#101A3D;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(216,166,75,.28);
}
.btn-primary:active{transform:translateY(0);background:var(--gold-dark);color:#101A3D;}
.btn-ghost{
  background:transparent;
  color:var(--text-invert);
  border-color:rgba(237,239,247,.36);
}
.btn-ghost:hover{
  color:var(--gold);
  border-color:var(--gold);
  transform:translateY(-1px);
}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:#C9CCD8;
}
.btn-outline:hover{
  border-color:var(--gold);
  color:var(--ink);
  transform:translateY(-1px);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  color:var(--text-invert);
  margin-top:-72px;
  padding:158px 0 68px;
  min-height:380px;
  display:flex;
  align-items:flex-end;
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center 40%;
  transform:scale(1.02);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(11,16,38,.92) 0%,rgba(11,16,38,.72) 48%,rgba(11,16,38,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(237,239,247,.66);
  margin-bottom:20px;
}
.breadcrumbs a{color:rgba(237,239,247,.8);}
.breadcrumbs a:hover{color:var(--gold);}
.breadcrumbs .sep{color:rgba(237,239,247,.4);}
.hero-badge{
  display:inline-block;
  padding:4px 14px;
  border:1px solid rgba(216,166,75,.6);
  border-radius:999px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--gold);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(26px,4vw,44px);
  line-height:1.28;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:16px;
  line-height:1.9;
  color:rgba(237,239,247,.86);
  max-width:44em;
  margin-bottom:26px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  padding-top:20px;
  border-top:1px solid rgba(237,239,247,.16);
  font-size:13px;
  color:rgba(237,239,247,.72);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{
  content:"";
  width:5px;height:5px;
  background:var(--gold);
  border-radius:50%;
  flex:0 0 auto;
}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:52px;}
.eyebrow{
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--gold-dark);
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;
  margin-bottom:16px;
}
.section-sub{
  font-size:16px;
  color:var(--text-soft);
  max-width:42em;
}
.section-dark{
  position:relative;
  background:var(--ink-deep);
  color:var(--text-invert);
  overflow:hidden;
}
.section-dark::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(1.4px 1.4px at 14% 24%,rgba(237,239,247,.55),transparent 60%),
    radial-gradient(1.2px 1.2px at 38% 72%,rgba(216,166,75,.6),transparent 60%),
    radial-gradient(1.4px 1.4px at 66% 30%,rgba(237,239,247,.4),transparent 60%),
    radial-gradient(1.2px 1.2px at 86% 68%,rgba(216,166,75,.45),transparent 60%),
    radial-gradient(1.2px 1.2px at 52% 12%,rgba(237,239,247,.32),transparent 60%);
  pointer-events:none;
}
.section-dark > .container{position:relative;z-index:2;}
.section-dark h2{color:var(--text-invert);}
.section-dark .section-sub{color:rgba(237,239,247,.72);}

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;
  padding-left:76px;
  max-width:860px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:12px;
  bottom:36px;
  width:1px;
  background:linear-gradient(180deg,var(--gold) 0%,rgba(216,166,75,.28) 70%,rgba(216,166,75,0) 100%);
}
.timeline-item{
  position:relative;
  padding-bottom:44px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-num{
  position:absolute;
  left:-76px;
  top:0;
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--card);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.04em;
  transition:border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.timeline-item:hover .timeline-num{
  border-color:var(--gold);
  color:var(--gold-dark);
  box-shadow:0 0 0 5px rgba(216,166,75,.1);
}
.timeline-item h3{
  font-size:19px;
  line-height:1.5;
  margin-bottom:10px;
}
.timeline-item p{
  font-size:15.5px;
  color:var(--text-soft);
  max-width:40em;
}
.timeline-tag{
  display:inline-block;
  margin-top:12px;
  padding:3px 12px;
  border:1px solid rgba(91,98,184,.42);
  border-radius:999px;
  font-size:13px;
  color:var(--nebula);
}

/* ---------- 深色信息带 ---------- */
.info-band{margin-top:8px;}
.info-unit{
  border-top:1px solid rgba(237,239,247,.16);
  padding:26px 0 0;
  margin-bottom:34px;
}
.info-unit .unit-num{
  display:block;
  font-family:var(--font-serif);
  font-size:22px;
  color:var(--gold);
  margin-bottom:14px;
  letter-spacing:.06em;
}
.info-unit h3{
  font-size:17px;
  color:var(--text-invert);
  margin-bottom:10px;
}
.info-unit p{
  font-size:14.5px;
  line-height:1.85;
  color:rgba(237,239,247,.7);
  margin:0;
  max-width:26em;
}

/* ---------- 图文双栏 ---------- */
.media-row{margin-bottom:64px;}
.media-row:last-child{margin-bottom:0;}
.media-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-card);
}
.media-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .26s ease-out;
}
.media-figure:hover img{transform:scale(1.03);}
.media-body{padding:8px 0;}
.media-body h3{
  font-size:20px;
  line-height:1.5;
  margin-bottom:14px;
}
.media-body p{
  font-size:15.5px;
  color:var(--text-soft);
  max-width:38em;
}
.media-list{margin-top:18px;}
.media-list li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  color:var(--text-soft);
  line-height:1.9;
}
.media-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:7px;
  height:7px;
  background:rgba(216,166,75,.85);
  border-radius:1px;
}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  box-shadow:var(--shadow-card);
}
table.verify-table{
  width:100%;
  border-collapse:collapse;
  min-width:640px;
  font-size:15px;
}
table.verify-table th{
  background:var(--ink);
  color:var(--text-invert);
  text-align:left;
  font-weight:600;
  font-size:14px;
  letter-spacing:.03em;
  padding:15px 18px;
}
table.verify-table td{
  padding:15px 18px;
  border-bottom:1px solid var(--line);
  color:var(--text-soft);
  vertical-align:top;
  line-height:1.8;
}
table.verify-table tr:last-child td{border-bottom:0;}
table.verify-table tbody tr:hover td{background:#FAF9F6;}
table.verify-table td:first-child{
  color:var(--ink);
  font-weight:600;
  white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-list{
  padding-left:18px;
  max-width:900px;
}
.faq-item{
  position:relative;
  border-top:1px solid var(--line);
}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item::before{
  content:"";
  position:absolute;
  left:-18px;
  top:8px;
  bottom:8px;
  width:2px;
  background:var(--gold);
  opacity:0;
  transition:opacity .18s ease-out;
}
.faq-item.is-open::before{opacity:1;}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:transparent;
  border:0;
  padding:22px 40px 22px 0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  line-height:1.7;
  transition:color .18s ease-out;
}
.faq-trigger:hover{color:var(--gold-dark);}
.faq-dot{
  flex:0 0 auto;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
  margin-top:.62em;
}
.faq-icon{
  position:absolute;
  right:4px;
  top:26px;
  width:14px;
  height:14px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--text-mute);
  transition:transform .2s ease-out,background .2s ease-out;
}
.faq-icon::before{left:0;top:6px;width:14px;height:1.5px;}
.faq-icon::after{left:6px;top:0;width:1.5px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-item.is-open .faq-icon::before{background:var(--gold-dark);}
.faq-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease-out;
}
.faq-panel.is-open{max-height:420px;}
.faq-panel-inner{
  padding:0 40px 24px 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-soft);
}
.faq-more{
  margin-top:28px;
  font-size:15px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.faq-more::after{
  content:"→";
  transition:transform .18s ease-out;
}
.faq-more:hover::after{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink-deep);
  color:var(--text-invert);
  padding:88px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 30%,rgba(237,239,247,.45),transparent 60%),
    radial-gradient(1.4px 1.4px at 62% 22%,rgba(216,166,75,.5),transparent 60%),
    radial-gradient(1.2px 1.2px at 84% 74%,rgba(237,239,247,.36),transparent 60%),
    radial-gradient(1.2px 1.2px at 34% 78%,rgba(216,166,75,.4),transparent 60%);
  pointer-events:none;
}
.cta-band > .container{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;
  margin-bottom:16px;
  color:var(--text-invert);
}
.cta-band p{
  color:rgba(237,239,247,.74);
  font-size:15.5px;
  max-width:32em;
}
.cta-form{
  display:flex;
  align-items:flex-start;
  gap:12px;
  flex-wrap:wrap;
}
.cta-form input[type="email"]{
  flex:1 1 260px;
  min-width:0;
  height:46px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(237,239,247,.3);
  background:rgba(237,239,247,.06);
  color:var(--text-invert);
  font-size:15px;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.cta-form input[type="email"]::placeholder{color:rgba(237,239,247,.5);}
.cta-form input[type="email"]:focus{
  outline:none;
  border-color:var(--gold);
  background:rgba(237,239,247,.1);
}
.cta-form input[type="email"]:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.form-msg{
  flex:1 1 100%;
  margin:2px 0 0;
  font-size:13px;
  line-height:1.7;
  color:rgba(237,239,247,.6);
  max-width:none;
}
.form-msg.is-error{color:#E79B92;}
.form-msg.is-success{
  display:inline-block;
  padding:9px 14px;
  border:1px solid rgba(216,166,75,.5);
  border-radius:var(--r-btn);
  background:rgba(216,166,75,.1);
  color:var(--gold);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(237,239,247,.74);
  padding:0 0 28px;
  font-size:13.5px;
}
.site-footer::before{
  content:"";
  display:block;
  width:64px;
  height:4px;
  background:var(--gold);
  margin-bottom:56px;
}
.footer-grid{padding-top:0;}
.footer-brand .brand-footer{margin-bottom:16px;}
.footer-brand .brand-name{color:var(--text-invert);}
.footer-desc{
  line-height:2;
  color:rgba(237,239,247,.62);
  max-width:30em;
  font-size:13.5px;
}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  color:var(--text-invert);
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-col ul li{line-height:2;margin-bottom:4px;}
.footer-col a{color:rgba(237,239,247,.66);}
.footer-col a:hover{color:var(--gold);}
.footer-col span{color:rgba(237,239,247,.58);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(237,239,247,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(237,239,247,.52);
}
.footer-bottom p{margin:0;max-width:none;}
.to-top{color:rgba(237,239,247,.7);}
.to-top:hover{color:var(--gold);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,16,38,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(320px,86vw);
  background:var(--ink-deep);
  color:var(--text-invert);
  z-index:90;
  padding:26px 24px 32px;
  transform:translateX(100%);
  transition:transform .26s ease-out;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:28px;
}
.drawer-close{
  width:36px;height:36px;
  border:1px solid rgba(237,239,247,.24);
  background:transparent;
  border-radius:var(--r-btn);
  position:relative;
  cursor:pointer;
  padding:0;
}
.drawer-close span{
  position:absolute;
  left:10px;right:10px;
  top:17px;
  height:1.5px;
  background:var(--text-invert);
}
.drawer-close span:first-child{transform:rotate(45deg);}
.drawer-close span:last-child{transform:rotate(-45deg);}
.drawer-nav li{border-bottom:1px solid rgba(237,239,247,.1);}
.drawer-nav a{
  display:block;
  padding:16px 0;
  color:rgba(237,239,247,.82);
  font-size:15px;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--gold);}
.drawer-cta{margin-top:auto;padding-top:28px;}
.drawer-cta .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:76px 0;}
  .main-nav ul{gap:22px;}
  .media-body{padding-top:26px;}
  .media-row .cell:first-child{order:1;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .header-actions .btn-primary{display:none;}
  .header-inner{height:60px;}
  .page-hero{margin-top:-60px;padding:130px 0 54px;min-height:320px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:36px;}
  .timeline{padding-left:62px;}
  .timeline::before{left:16px;}
  .timeline-num{left:-62px;width:34px;height:34px;font-size:13px;}
  .timeline-item{padding-bottom:34px;}
  .info-unit{margin-bottom:26px;}
  .media-row{margin-bottom:44px;}
  .faq-trigger{padding:18px 34px 18px 0;font-size:15.5px;}
  .faq-panel-inner{padding:0 20px 20px 18px;}
  .faq-icon{top:22px;}
  .cta-band{padding:64px 0;}
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-form input[type="email"],.cta-form .btn{width:100%;}
  .site-footer::before{margin-bottom:40px;}
  .footer-col{margin-bottom:8px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-hero h1{font-size:26px;}
  .hero-lead{font-size:15px;}
  .hero-meta{gap:8px 18px;font-size:12.5px;}
  .timeline{padding-left:54px;}
  .timeline::before{left:14px;}
  .timeline-num{left:-54px;width:30px;height:30px;font-size:12px;}
  .timeline-item h3{font-size:17px;}
  .timeline-item p{font-size:15px;}
  .info-unit .unit-num{font-size:19px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .media-figure:hover img{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#101A3D;
  --deep:#0B1026;
  --gold:#D8A64B;
  --gold-hover:#C08F35;
  --nebula:#5B62B8;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --text:#232838;
  --text-2:#5C6273;
  --text-inv:#EDEFF7;
  --muted:#8B90A0;
  --ok:#2E7D5B;
  --warn:#C7772B;
  --danger:#B7433A;
  --radius-card:10px;
  --radius-btn:6px;
  --shadow-card:0 1px 2px rgba(16,26,61,.04);
  --shadow-hover:0 10px 26px rgba(16,26,61,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color 180ms ease-out,border-color 180ms ease-out}
a:hover{color:var(--gold-hover)}
button,input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink);font-weight:600}
h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
h3{font-size:19px;line-height:1.5}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--deep);
  border-bottom:1px solid rgba(237,239,247,.10);
  transition:background 200ms ease-out,border-color 200ms ease-out,box-shadow 200ms ease-out;
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(16,26,61,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{position:relative;width:20px;height:20px;flex:0 0 20px}
.brand-mark::before{
  content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px 0 0 -3.5px;
  border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(216,166,75,.16);
}
.brand-mark::after{
  content:"";position:absolute;left:0;right:0;top:50%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(216,166,75,.6),transparent);
}
.brand-name{
  font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.02em;
  color:var(--text-inv);transition:color 200ms ease-out;
}
.site-header.is-scrolled .brand-name{color:var(--ink)}
.main-nav ul{display:flex;align-items:center;gap:32px}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;letter-spacing:.02em;color:rgba(237,239,247,.80);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform 200ms ease-out;
}
.main-nav a:hover{color:var(--text-inv)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--text-inv);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1);height:2px}
.site-header.is-scrolled .main-nav a{color:var(--text-2)}
.site-header.is-scrolled .main-nav a:hover,
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:16px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid rgba(237,239,247,.28);
  border-radius:var(--radius-btn);background:transparent;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1px;background:var(--text-inv);transition:background 200ms ease-out}
.site-header.is-scrolled .nav-toggle{border-color:var(--line)}
.site-header.is-scrolled .nav-toggle span{background:var(--ink)}
.mobile-drawer{
  position:fixed;top:60px;left:0;right:0;bottom:0;z-index:55;
  background:var(--deep);padding:28px 24px 40px;overflow-y:auto;
}
.mobile-drawer[hidden]{display:none}
.mobile-drawer ul{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.mobile-drawer a{
  display:block;padding:14px 0;font-size:16px;color:rgba(237,239,247,.86);
  border-bottom:1px solid rgba(237,239,247,.10);
}
.mobile-drawer a.is-active{color:var(--gold);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  border:1px solid transparent;
  transition:background-color 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out;
}
.btn-primary{background:var(--gold);color:var(--deep);box-shadow:0 2px 8px rgba(216,166,75,.24)}
.btn-primary:hover{background:var(--gold-hover);color:var(--deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(216,166,75,.30)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text-inv);border-color:rgba(237,239,247,.36)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--ink);border-color:#C9CCD8}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:var(--text-inv);
  min-height:360px;display:flex;align-items:flex-end;
  padding:72px 0 60px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,38,.86),rgba(11,16,38,.70));
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:radial-gradient(rgba(237,239,247,.9) 1px,transparent 1px);
  background-size:160px 160px;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumbs{margin:0 0 18px;padding:0;background:transparent;list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.breadcrumbs li{font-size:13px;color:rgba(237,239,247,.62)}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:10px;color:rgba(237,239,247,.38)}
.breadcrumbs a{color:rgba(237,239,247,.82)}
.breadcrumbs a:hover{color:var(--gold)}
.page-hero h1{color:#fff;max-width:20em}
.page-hero .hero-note{
  margin:18px 0 0;max-width:44em;font-size:16px;line-height:1.85;color:rgba(237,239,247,.80);
}
.hero-tagline{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(216,166,75,.55);
  color:var(--gold);font-size:13px;letter-spacing:.04em;
}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:46em;margin-bottom:44px}
.section-lead{margin:14px 0 0;color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-block;margin-bottom:14px;font-size:13px;letter-spacing:.14em;
  color:var(--nebula);font-weight:600;
}

/* ---------- 要点带 ---------- */
.note-band{
  background:var(--deep);color:var(--text-inv);
  padding:64px 0;border-top:1px solid rgba(237,239,247,.08);
}
.note-band h2{color:#fff}
.note-band .section-lead{color:rgba(237,239,247,.72)}
.note-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:8px}
.note-item{border-top:1px solid rgba(237,239,247,.16);padding-top:18px}
.note-item .num{
  font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:.08em;display:block;margin-bottom:10px;
}
.note-item h3{color:#fff;font-size:18px;margin-bottom:8px}
.note-item p{color:rgba(237,239,247,.70);font-size:15px;line-height:1.8;margin:0}

/* ---------- 双栏错位图文 ---------- */
.alt-row{align-items:center;margin-bottom:88px}
.alt-row:last-child{margin-bottom:0}
.alt-media{position:relative}
.alt-media .frame{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--deep);
}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.alt-media .index{
  position:absolute;left:-1px;top:-1px;z-index:2;
  background:var(--gold);color:var(--deep);font-family:var(--serif);font-weight:600;
  font-size:13px;letter-spacing:.08em;padding:6px 14px;border-radius:0 0 10px 0;
}
.alt-text{padding-left:8px}
.alt-text h2{margin-bottom:16px}
.alt-text p{color:var(--text-2);max-width:46em}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text);line-height:1.75;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:1px;
  background:var(--gold);
}
@media (min-width:1025px){
  .alt-row.is-reverse .alt-media{order:2}
  .alt-row.is-reverse .alt-text{order:1;padding-left:0;padding-right:32px}
  .alt-text{padding-left:32px}
}

/* ---------- 徽章矩阵 ---------- */
.badge-matrix{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px;
}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 18px;border-radius:999px;border:1px solid var(--nebula);
  background:transparent;color:var(--ink);font-size:15px;line-height:1.5;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--nebula);flex:0 0 6px}
.badge.is-gold{border-color:rgba(216,166,75,.65)}
.badge.is-gold .dot{background:var(--gold)}

/* ---------- 表格 ---------- */
.table-wrap{
  margin-top:8px;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--card);box-shadow:var(--shadow-card);
}
table.verify-table{width:100%;border-collapse:collapse;margin:0}
.verify-table th,.verify-table td{
  padding:16px 20px;text-align:left;font-size:15px;line-height:1.7;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.verify-table thead th{
  background:var(--ink);color:#fff;font-family:var(--serif);font-weight:600;
  font-size:15px;letter-spacing:.02em;border-bottom:none;
}
.verify-table tbody tr:last-child td{border-bottom:none}
.verify-table tbody tr:hover{background:#FBFAF7}
.verify-table td:first-child{font-weight:600;color:var(--ink);width:24%}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;border-bottom:1px solid var(--line)}
.accordion-item{
  border-top:1px solid var(--line);
  border-left:2px solid transparent;
  transition:border-color 200ms ease-out;
}
.accordion-item.is-open{border-left-color:var(--gold)}
.accordion-title{
  position:relative;width:100%;display:block;text-align:left;cursor:pointer;
  background:transparent;border:none;padding:20px 48px 20px 22px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.accordion-title:hover{color:var(--ink)}
.accordion-title::before{
  content:"";position:absolute;left:0;top:50%;margin-top:-3px;
  width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;
  border-right:1px solid var(--muted);border-bottom:1px solid var(--muted);
  transform:translateY(-72%) rotate(45deg);
  transition:transform 200ms ease-out,border-color 200ms ease-out;
}
.accordion-title[aria-expanded="true"]::after{transform:translateY(-28%) rotate(-135deg);border-color:var(--gold)}
.accordion-content{padding:0 48px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85}
.accordion-content[hidden]{display:none}
.accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--deep);color:var(--text-inv);
  padding:88px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.14;
  background-image:radial-gradient(rgba(237,239,247,.9) 1px,transparent 1px);
  background-size:140px 140px;
}
.cta-band .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(237,239,247,.74)}
.cta-notes{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.cta-notes li{position:relative;padding-left:18px;font-size:14px;color:rgba(237,239,247,.72)}
.cta-notes li::before{
  content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;
  border-radius:1px;background:var(--gold);
}
.form-card{
  background:rgba(237,239,247,.05);border:1px solid rgba(237,239,247,.14);
  border-radius:12px;padding:28px;
}
.form-row{display:flex;gap:12px;align-items:flex-start}
.form-field{flex:1 1 auto;min-width:0}
.form-field label{display:block;font-size:13px;color:rgba(237,239,247,.72);margin-bottom:8px}
input[type="email"],input[type="text"],textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(237,239,247,.28);background:rgba(11,16,38,.35);
  color:var(--text-inv);font-size:15px;
  transition:border-color 180ms ease-out,background-color 180ms ease-out;
}
textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
input::placeholder,textarea::placeholder{color:rgba(237,239,247,.42)}
input:focus,textarea:focus{outline:none;border-color:var(--gold);background:rgba(11,16,38,.55)}
.form-hint{margin:12px 0 0;font-size:13px;color:rgba(237,239,247,.56)}
.form-success{
  margin-top:16px;padding:12px 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(216,166,75,.55);background:rgba(216,166,75,.10);
  color:#F0D9AE;font-size:14px;
}
.form-success[hidden]{display:none}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);color:rgba(237,239,247,.70);
  padding:72px 0 28px;font-size:14px;line-height:2;
}
.site-footer::before{
  content:"";display:block;width:64px;height:4px;background:var(--gold);
  margin:-72px auto 60px;
}
.footer-grid{margin-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.brand-footer .brand-name{color:var(--text-inv);font-size:17px}
.footer-desc{margin:0;max-width:34em;font-size:13.5px;color:rgba(237,239,247,.62);line-height:2}
.footer-col h4{
  font-family:var(--serif);font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col li{font-size:13.5px}
.footer-col a{color:rgba(237,239,247,.70)}
.footer-col a:hover{color:var(--gold)}
.footer-col span{color:rgba(237,239,247,.62)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid rgba(237,239,247,.12);
  font-size:13px;color:rgba(237,239,247,.52);
}
.footer-bottom p{margin:0}
.to-top{color:rgba(237,239,247,.72)}
.to-top:hover{color:var(--gold)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0}
  .note-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .badge-matrix{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .cta-band{padding:64px 0}
  .alt-row{margin-bottom:64px}
  .alt-text{padding-left:0;margin-top:24px}
  .alt-row.is-reverse .alt-media{order:0}
  .alt-row.is-reverse .alt-text{order:0;padding-right:0}
  .verify-table td:first-child{width:30%}
}
@media (max-width:768px){
  .header-inner{height:60px}
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .section{padding:56px 0}
  .page-hero{min-height:320px;padding:56px 0 44px}
  .note-band{padding:48px 0}
  .note-grid{grid-template-columns:1fr;gap:22px}
  .badge-matrix{grid-template-columns:1fr}
  .alt-media img{aspect-ratio:16/9}
  .table-wrap{overflow-x:auto}
  table.verify-table{min-width:640px}
  .cta-band{padding:56px 0}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .site-footer{padding:56px 0 24px}
  .site-footer::before{margin:-56px auto 44px}
  .footer-grid{margin-bottom:0}
  .footer-col{margin-bottom:32px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  body{font-size:15px}
  h1{font-size:26px}
  .page-hero h1{font-size:24px}
  .section{padding:48px 0}
  .accordion-title{padding:18px 40px 18px 18px;font-size:15px}
  .accordion-content{padding:0 40px 20px 18px;font-size:14.5px}
  .form-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --ink:#101A3D;
  --ink-deep:#0B1026;
  --gold:#D8A64B;
  --gold-dark:#C08F35;
  --nebula:#5B62B8;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --text:#232838;
  --text-2:#5C6273;
  --text-inv:#EDEFF7;
  --text-mute:#8B90A0;
  --ok:#2E7D5B;
  --warn:#C7772B;
  --danger:#B7433A;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 1px 2px rgba(16,26,61,.04);
  --shadow-lg:0 20px 44px -26px rgba(11,16,38,.55);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-title:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 栅格微调 */
.grid-margin-x{margin-left:-14px;margin-right:-14px}
.grid-margin-x>.cell{margin-left:14px;margin-right:14px;width:calc(100% - 28px)}
.grid-x>.cell{flex:0 0 auto}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  background:transparent;
  transition:background-color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.94);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(16,26,61,.03);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{position:relative;width:15px;height:15px;flex:0 0 auto}
.brand-mark::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--gold) 0 26%,rgba(216,166,75,.28) 42%,rgba(216,166,75,0) 72%);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:-3px;bottom:-3px;width:1px;
  background:linear-gradient(180deg,rgba(216,166,75,0),rgba(216,166,75,.75),rgba(216,166,75,0));
  transform:translateX(-50%);
}
.brand-name{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.02em;color:var(--text-inv);transition:color .2s ease-out}
.site-header.is-scrolled .brand-name{color:var(--ink)}
.main-nav ul{display:flex;align-items:center;gap:34px;list-style:none}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;letter-spacing:.02em;color:rgba(237,239,247,.86);
  transition:color .18s ease-out;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.main-nav a:hover{color:#FFFFFF}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--gold)}
.main-nav a.is-active::after{transform:scaleX(1);height:2px;background:var(--gold)}
.site-header.is-scrolled .main-nav a{color:var(--text-2)}
.site-header.is-scrolled .main-nav a:hover{color:var(--ink)}
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink)}
.site-header.is-scrolled .main-nav a.is-active::after{background:var(--gold)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--radius-sm);
  border:1px solid rgba(237,239,247,.35);background:transparent;cursor:pointer;
  transition:border-color .18s ease-out;
}
.nav-toggle span{display:block;width:18px;height:1px;background:var(--text-inv);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1px;background:var(--text-inv)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.site-header.is-scrolled .nav-toggle{border-color:var(--line)}
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after{background:var(--ink)}

/* 抽屉 */
.drawer-scrim{position:fixed;inset:0;background:rgba(11,16,38,.62);z-index:80;opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out}
.drawer-scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:var(--ink-deep);color:var(--text-inv);padding:24px;
  transform:translateX(102%);transition:transform .24s ease-out;
  overflow-y:auto;display:flex;flex-direction:column;gap:24px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:36px;height:36px;border-radius:var(--radius-sm);
  border:1px solid rgba(237,239,247,.25);background:transparent;cursor:pointer;
  color:var(--text-inv);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--gold);color:var(--gold)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:16px 0;border-bottom:1px solid rgba(237,239,247,.12);font-size:16px;color:rgba(237,239,247,.85)}
.drawer-nav a:hover{color:var(--gold)}
.drawer-nav a.is-active{color:var(--gold);font-weight:600}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--gold);color:#1B1408}
.btn-primary:hover{background:#E2B463;transform:translateY(-1px);box-shadow:0 12px 24px -16px rgba(216,166,75,.95)}
.btn-primary:active{background:var(--gold-dark);transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(201,204,216,.55);color:var(--text-inv)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* 页头 */
.page-hero{
  position:relative;margin-top:-72px;
  padding:calc(72px + 92px) 0 84px;
  min-height:360px;display:flex;align-items:center;
  color:var(--text-inv);
  background-color:var(--ink-deep);
  background-image:linear-gradient(180deg,rgba(11,16,38,.88) 0%,rgba(11,16,38,.72) 55%,rgba(11,16,38,.86) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-40px;bottom:-30px;width:340px;height:240px;
  background-image:radial-gradient(circle,rgba(237,239,247,.9) 0 1px,rgba(237,239,247,0) 1.6px);
  background-size:120px 120px;opacity:.18;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;max-width:1060px}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(237,239,247,.7);margin-bottom:20px}
.crumbs a:hover{color:var(--gold)}
.crumbs .sep{color:rgba(237,239,247,.4)}
.crumbs .current{color:rgba(237,239,247,.9)}
.page-hero h1{
  font-family:var(--serif);
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;letter-spacing:.01em;color:#FFFFFF;
  max-width:24em;margin:0 0 20px;
}
.page-hero .hero-sub{max-width:40em;font-size:16px;color:rgba(237,239,247,.82);margin:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-block;padding:4px 13px;border-radius:999px;
  border:1px solid rgba(91,98,184,.65);color:#C3C7EE;
  font-size:13px;line-height:1.65;background:transparent;
}
.page-hero .tag{border-color:rgba(216,166,75,.5);color:rgba(240,215,166,.95)}

/* 板块 */
.section{padding:96px 0}
.section-alt{background:#FFFFFF}
.section-tight{padding:80px 0}
.section-head{max-width:720px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--nebula);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold)}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;color:var(--ink);margin:0 0 14px;
}
.section-head p{color:var(--text-2);max-width:46em;margin:0}

/* 编号清单 */
.steps-wrap{display:flex;gap:56px;align-items:flex-start}
.steps-aside{flex:0 0 300px;position:sticky;top:112px}
.steps-aside h2{font-family:var(--serif);font-size:clamp(22px,2.4vw,28px);line-height:1.4;margin:0 0 14px}
.steps-aside p{color:var(--text-2);font-size:15px;margin:0 0 20px}
.steps-aside .aside-note{
  display:block;padding:16px 18px;border-radius:var(--radius);
  background:#FFFFFF;border:1px solid var(--line);box-shadow:var(--shadow);
  font-size:14px;color:var(--text-2);
}
.steps{position:relative;flex:1 1 auto;padding-left:38px;border-left:1px solid rgba(216,166,75,.38)}
.step{position:relative;padding-bottom:36px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-42.5px;top:10px;width:9px;height:9px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(216,166,75,.16);
}
.step-num{display:block;font-family:var(--serif);font-size:13px;letter-spacing:.18em;color:var(--gold-dark);margin-bottom:8px}
.step h3{font-size:19px;line-height:1.5;margin:0 0 10px}
.step p{color:var(--text-2);max-width:46em;margin:0}

/* 图文双栏 */
.split{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center}
.split-figure{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.split-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .26s ease-out}
.split-figure:hover img{transform:scale(1.03)}
.check-list{list-style:none;margin:24px 0 0}
.check-list li{
  position:relative;padding:15px 0 15px 26px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-2);
}
.check-list li:first-child{border-top:1px solid var(--line)}
.check-list li::before{
  content:"";position:absolute;left:0;top:25px;width:6px;height:6px;
  border-radius:1px;background:var(--gold);
}

/* 速查卡片 */
.signal-grid{margin-top:8px}
.signal-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.signal-card:hover{transform:translateY(-2px);border-color:rgba(216,166,75,.55);box-shadow:var(--shadow-lg)}
.signal-card h3{font-size:18px;line-height:1.5;margin:12px 0 10px}
.signal-card p{font-size:14px;color:var(--text-2);margin:0}
.badge{
  display:inline-block;padding:3px 12px;border-radius:999px;
  border:1px solid rgba(91,98,184,.55);color:var(--nebula);
  font-size:13px;line-height:1.65;letter-spacing:.02em;
}

/* FAQ */
.faq-shell{max-width:920px;margin:0 auto}
.faq.accordion{background:transparent;border:0;margin:0;list-style:none}
.faq .accordion-item{background:transparent;border-top:1px solid var(--line);transition:box-shadow .2s ease-out}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq .accordion-item.is-active{box-shadow:inset 2px 0 0 var(--gold)}
.faq .accordion-title{
  position:relative;display:block;padding:22px 56px 22px 22px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  background:transparent;border:0;transition:color .18s ease-out;
}
.faq .accordion-title::after{
  content:"";position:absolute;left:0;top:32px;width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.faq .accordion-title::before{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--gold-dark);font-size:20px;line-height:1;font-weight:400;
}
.faq .accordion-title:hover{color:var(--gold-dark);background:transparent}
.faq .accordion-item.is-active .accordion-title{color:var(--gold-dark)}
.faq .accordion-content{
  display:none;padding:0 56px 24px 22px;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq .accordion-content p{margin:0}

/* CTA 带 */
.cta-band{position:relative;background-color:var(--ink-deep);color:var(--text-inv);padding:88px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;
  background-image:radial-gradient(circle,rgba(237,239,247,.55) 0 1px,rgba(237,239,247,0) 1.6px);
  background-size:132px 132px;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);line-height:1.4;color:#FFFFFF;margin:0 0 16px}
.cta-copy p{color:rgba(237,239,247,.76);max-width:34em;margin:0 0 18px}
.cta-list{list-style:none;margin:0}
.cta-list li{position:relative;padding:10px 0 10px 22px;font-size:14px;color:rgba(237,239,247,.72)}
.cta-list li::before{content:"";position:absolute;left:0;top:19px;width:6px;height:6px;border-radius:1px;background:var(--gold)}
.panel{
  background:rgba(237,239,247,.045);
  border:1px solid rgba(237,239,247,.14);
  border-radius:12px;padding:28px;
}
.feedback-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feedback-form .field{margin-bottom:16px}
.feedback-form label{display:block;font-size:13px;letter-spacing:.02em;color:rgba(237,239,247,.7);margin-bottom:7px}
.input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid rgba(201,204,216,.36);background:rgba(255,255,255,.05);
  color:var(--text-inv);
  transition:border-color .18s ease-out,background-color .18s ease-out;
  appearance:none;-webkit-appearance:none;
}
select.input{
  background-image:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.05)),url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23D8A64B' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px 8px;
  padding-right:38px;
}
select.input option{background:#0B1026;color:var(--text-inv)}
textarea.input{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.input::placeholder{color:rgba(237,239,247,.42)}
.input:focus{border-color:var(--gold);outline:none;background:rgba(255,255,255,.09)}
.form-note{font-size:13px;color:rgba(237,239,247,.6);margin:14px 0 0}
.form-success{
  margin:16px 0 0;padding:12px 16px;border-radius:var(--radius-sm);
  border:1px solid rgba(46,125,91,.65);background:rgba(46,125,91,.14);
  color:#BFE3D0;font-size:14px;
}
.form-error{margin:8px 0 0;font-size:13px;color:#F0A9A2}

/* 页脚 */
.site-footer{position:relative;background:var(--ink-deep);color:rgba(237,239,247,.7);padding:76px 0 0}
.site-footer::before{content:"";position:absolute;top:0;left:24px;width:64px;height:4px;background:var(--gold)}
.site-footer h4{font-size:14px;letter-spacing:.06em;color:#FFFFFF;margin:0 0 16px}
.footer-grid{padding-top:8px}
.footer-brand .brand-footer{margin-bottom:16px}
.footer-brand .brand-name{color:#FFFFFF;font-size:17px}
.footer-desc{font-size:14px;line-height:2;color:rgba(237,239,247,.66);max-width:32em;margin:0}
.footer-col ul{list-style:none}
.footer-col li{font-size:14px;line-height:2;margin-bottom:4px;color:rgba(237,239,247,.66)}
.footer-col a{color:rgba(237,239,247,.72)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(237,239,247,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,239,247,.55);
}
.footer-bottom p{margin:0}
.to-top{color:rgba(237,239,247,.75)}
.to-top:hover{color:var(--gold)}

/* 响应式 */
@media (min-width:768px){
  .grid-margin-x>.medium-4{width:calc(33.3333% - 28px)}
  .grid-margin-x>.medium-6{width:calc(50% - 28px)}
  .grid-margin-x>.medium-12{width:calc(100% - 28px)}
}
@media (min-width:1024px){
  .grid-margin-x>.large-2{width:calc(16.6667% - 28px)}
  .grid-margin-x>.large-3{width:calc(25% - 28px)}
  .grid-margin-x>.large-4{width:calc(33.3333% - 28px)}
  .grid-margin-x>.large-6{width:calc(50% - 28px)}
  .grid-margin-x>.large-8{width:calc(66.6667% - 28px)}
  .grid-margin-x>.large-12{width:calc(100% - 28px)}
}
@media (max-width:1024px){
  .steps-wrap{flex-direction:column;gap:36px}
  .steps-aside{position:static;flex:none;width:100%}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .section{padding:80px 0}
}
@media (max-width:768px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px;gap:16px}
  .brand-name{font-size:16px}
  .page-hero{margin-top:-60px;padding:calc(60px + 64px) 0 64px;min-height:320px}
  .page-hero h1{font-size:clamp(24px,6.4vw,32px)}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .section-head{margin-bottom:32px}
  .steps{padding-left:28px}
  .step{padding-bottom:28px}
  .step::before{left:-32.5px}
  .faq .accordion-title{padding:18px 44px 18px 18px;font-size:15px}
  .faq .accordion-title::after{top:28px}
  .faq .accordion-title::before{right:14px}
  .faq .accordion-content{padding:0 18px 20px 18px}
  .feedback-form .form-row{grid-template-columns:1fr}
  .panel{padding:22px 18px}
  .cta-band{padding:64px 0}
  .site-footer{padding:56px 0 0}
  .footer-bottom{margin-top:32px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero-tags{gap:8px}
  .tag{font-size:12px;padding:3px 10px}
  .brand-name{font-size:15px}
  .btn{width:100%}
  .drawer .btn{width:100%}
}
@media (max-width:400px){
  .brand-name{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}