/* roulang page: index */
:root{
  --main:#175E9E;
  --main-dark:#0F4478;
  --main-light:#E8F1F9;
  --gold:#C9922F;
  --gold-light:#FBF3E2;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --t1:#16212E;
  --t2:#5C6C7E;
  --t3:#93A2B3;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#C4453C;
  --r-s:8px;
  --r-c:14px;
  --r-l:20px;
  --r-p:999px;
  --sh1:0 1px 2px rgba(22,33,46,.06);
  --sh2:0 6px 20px rgba(23,94,158,.08);
  --sh3:0 14px 40px rgba(23,94,158,.12);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--main);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;box-shadow:0 0 0 4px rgba(23,94,158,.15);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.4px;position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--gold);}
.section-head p{margin-top:10px;color:var(--t2);font-size:15px;max-width:640px;}
.text-link{color:var(--main);font-size:15px;font-weight:600;position:relative;white-space:nowrap;}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:var(--main);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.text-link:hover::after{transform:scaleX(1);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;border:1.5px solid transparent;}
.btn-primary{background:var(--main);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--main-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{border-color:rgba(23,94,158,.45);color:var(--main);background:transparent;}
.btn-ghost:hover{background:var(--main-light);color:var(--main-dark);border-color:var(--main);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled]{opacity:.5;pointer-events:none;}

/* 顶部倒计时条 */
.topbar{
  background:var(--main-dark);
  color:#fff;
  height:44px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-label{font-size:14px;letter-spacing:.2px;display:flex;align-items:center;gap:8px;}
.topbar-label .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(201,146,47,.25);}
.countdown{display:flex;align-items:center;gap:6px;font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;}
.countdown .num{min-width:34px;text-align:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:2px 6px;font-size:15px;letter-spacing:1px;color:var(--gold-light);}
.countdown .sep{color:rgba(255,255,255,.6);font-size:14px;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.compact{box-shadow:var(--sh2);}
.nav-top{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease;}
.site-header.compact .nav-top{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(140deg,var(--main),var(--main-dark));display:flex;align-items:center;justify-content:center;box-shadow:var(--sh2);}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;}
.brand-text span{font-size:11px;color:var(--t3);letter-spacing:1.6px;text-transform:uppercase;}
.nav-search{flex:1 1 auto;max-width:52%;position:relative;}
.nav-search input{width:100%;height:48px;border-radius:var(--r-p);border:1px solid var(--line);background:#F7FAFD;padding:0 108px 0 46px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.nav-search input::placeholder{color:var(--t3);}
.nav-search input:focus{outline:none;border-color:var(--main);background:#fff;box-shadow:0 0 0 4px rgba(23,94,158,.12);}
.nav-search .icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--t3);pointer-events:none;}
.nav-search .submit{position:absolute;right:5px;top:5px;height:38px;padding:0 18px;border-radius:var(--r-p);background:var(--main);color:#fff;font-size:14px;font-weight:600;transition:background-color .2s ease;}
.nav-search .submit:hover{background:var(--main-dark);}
.nav-search .clear{position:absolute;right:96px;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;color:var(--t3);display:none;align-items:center;justify-content:center;font-size:15px;line-height:1;}
.nav-search.has-value .clear{display:flex;}
.nav-search .clear:hover{background:var(--main-light);color:var(--main);}
.nav-aside{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.nav-aside a{font-size:14px;color:var(--t2);transition:color .2s ease;}
.nav-aside a:hover{color:var(--main);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .25s ease,opacity .25s ease;}
.nav-chips{border-top:1px solid var(--line);}
.nav-chips .inner{display:flex;align-items:center;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;}
.nav-chips .inner::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;height:36px;display:inline-flex;align-items:center;padding:0 18px;border-radius:var(--r-p);border:1px solid var(--line);background:#fff;color:var(--t2);font-size:14px;font-weight:500;transition:all .2s ease;cursor:pointer;}
.chip:hover{border-color:var(--main);color:var(--main);transform:translateY(-1px);}
.chip.active{background:var(--main);border-color:var(--main);color:#fff;box-shadow:var(--sh2);}
.nav-mobile{display:none;border-top:1px solid var(--line);padding:8px 0 16px;}
.nav-mobile a{display:block;padding:12px 4px;font-size:15px;color:var(--t2);border-bottom:1px dashed var(--line);}
.nav-mobile a:last-child{border-bottom:0;}
.nav-mobile a.active{color:var(--main);font-weight:600;}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EFF6FC 0%,var(--bg) 100%);padding:76px 0 84px;}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.16;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(245,248,251,.96) 0%,rgba(245,248,251,.78) 55%,rgba(232,241,249,.6) 100%);}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-p);background:#fff;border:1px solid var(--line);color:var(--main);font-size:13px;font-weight:600;box-shadow:var(--sh1);}
.hero h1{margin-top:20px;font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.5px;}
.hero h1 em{font-style:normal;color:var(--main);}
.hero .lead{margin-top:18px;font-size:17px;color:var(--t2);max-width:560px;}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 26px;color:var(--t2);font-size:14px;}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}
.hero-visual{position:relative;}
.hero-visual .frame{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh3);background:#fff;aspect-ratio:16/10;}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .badge-float{position:absolute;left:-14px;bottom:26px;background:#fff;border-radius:var(--r-c);box-shadow:var(--sh3);padding:14px 20px;display:flex;align-items:center;gap:14px;}
.hero-visual .badge-float b{font-family:"DIN Alternate",ui-monospace,monospace;font-size:24px;color:var(--main);font-variant-numeric:tabular-nums;}
.hero-visual .badge-float span{font-size:13px;color:var(--t2);line-height:1.4;}

/* 卖点 */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.point{display:flex;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-c);padding:24px 26px;box-shadow:var(--sh1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.point:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(23,94,158,.25);}
.point .no{font-family:"DIN Alternate",ui-monospace,monospace;font-size:26px;font-weight:700;color:var(--gold);line-height:1;letter-spacing:1px;min-width:44px;}
.point h3{font-size:18px;font-weight:600;line-height:1.45;}
.point p{margin-top:8px;font-size:14.5px;color:var(--t2);}

/* 图墙 */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:132px;gap:20px;}
.g-item{position:relative;overflow:hidden;border-radius:var(--r-c);box-shadow:var(--sh2);background:#dfe8f1;}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.g-item:hover img{transform:scale(1.03);}
.g-item::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(180deg,rgba(15,68,120,0) 0%,rgba(15,68,120,.78) 100%);opacity:0;transition:opacity .3s ease;}
.g-item:hover::after{opacity:1;}
.g-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;color:#fff;font-size:14px;font-weight:600;z-index:2;opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease;}
.g-item:hover figcaption{opacity:1;transform:translateY(0);}
.g-1{grid-column:span 2;grid-row:span 2;}
.g-2{grid-column:span 1;grid-row:span 2;}
.g-3,.g-4,.g-5,.g-6{grid-column:span 1;grid-row:span 1;}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-c);overflow:hidden;box-shadow:var(--sh2);transition:transform .25s ease,box-shadow .25s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.news-media{display:block;aspect-ratio:16/9;overflow:hidden;background:#e6eef6;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-p);font-size:12.5px;font-weight:600;background:var(--main-light);color:var(--main);}
.badge.gold{background:var(--gold-light);color:#9A6E1C;}
.news-time{font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;}
.news-card h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{transition:color .2s ease;}
.news-card h3 a:hover{color:var(--main);}
.news-card p{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--t3);}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-c);background:#fff;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px;text-align:center;color:var(--t2);}
.empty-state svg{width:44px;height:44px;color:var(--t3);}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:26px 24px;box-shadow:var(--sh1);transition:transform .25s ease,box-shadow .25s ease;}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.stat b{display:block;font-family:"DIN Alternate",ui-monospace,monospace;font-size:32px;color:var(--main);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat strong{display:block;margin-top:10px;font-size:15px;font-weight:600;}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--t2);}

/* CTA */
.cta-band{background:var(--main-light);border-radius:var(--r-l);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;border:1px solid rgba(23,94,158,.12);}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;}
.cta-band p{margin-top:12px;color:var(--t2);font-size:15px;}
.cta-form{background:#fff;border-radius:var(--r-c);padding:22px;box-shadow:var(--sh2);display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13px;color:var(--t2);}
.field input{height:44px;border-radius:10px;border:1px solid var(--line);background:#F8FBFE;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.field input:focus{outline:none;border-color:var(--main);background:#fff;box-shadow:0 0 0 4px rgba(23,94,158,.12);}
.form-hint{grid-column:1 / -1;font-size:13px;color:var(--t3);}
.form-hint.ok{color:var(--ok);}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.faq-intro h2{font-size:30px;line-height:1.3;font-weight:700;position:relative;padding-left:18px;}
.faq-intro h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--gold);}
.faq-intro p{margin-top:16px;color:var(--t2);font-size:15px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:rgba(23,94,158,.35);box-shadow:var(--sh2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;line-height:1.6;transition:color .2s ease;}
.faq-q:hover{color:var(--main);}
.faq-q .arrow{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--main-light);color:var(--main);display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .25s ease;}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 22px;color:var(--t2);font-size:15px;}

/* 页脚 */
.site-footer{background:#0F4478;color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.site-footer p.desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);}
.site-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72);}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;color:rgba(255,255,255,.6);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}

/* 响应式 */
@media (max-width:1199px){
  .container{max-width:960px;}
  .hero .container{gap:36px;}
  .nav-search{max-width:46%;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .nav-aside{display:none;}
  .nav-toggle{display:flex;}
  .nav-top{height:64px;gap:16px;}
  .site-header.compact .nav-top{height:58px;}
  .nav-search{position:absolute;left:24px;right:24px;top:calc(100% + 1px);max-width:none;display:none;}
  .nav-search input{height:46px;box-shadow:var(--sh2);background:#fff;}
  .nav-search .submit{height:36px;top:5px;}
  .nav-search .clear{right:92px;}
  body.search-open .nav-search{display:block;}
  .nav-mobile{display:none;}
  body.nav-open .nav-mobile{display:block;}
  .hero{padding:56px 0 64px;}
  .hero .container{grid-template-columns:1fr;}
  .hero-visual .frame{aspect-ratio:16/9;}
  .hero-visual .badge-float{left:auto;right:14px;bottom:14px;}
  .points{grid-template-columns:1fr;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:120px;}
  .g-1{grid-column:span 2;grid-row:span 2;}
  .g-2{grid-column:span 2;grid-row:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .cta-form{grid-template-columns:1fr 1fr;}
  .cta-form .btn{grid-column:1 / -1;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .hero h1{font-size:28px;}
  .hero .lead{font-size:15.5px;}
  .news-grid{grid-template-columns:1fr;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:180px;}
  .g-1,.g-2{grid-column:span 1;grid-row:span 1;}
  .cta-form{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text strong{font-size:15px;}
  .topbar{height:auto;padding:8px 0;}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:479px){
  .hero{padding:40px 0 48px;}
  .point{padding:18px;}
  .point .no{font-size:22px;min-width:36px;}
  .stats{grid-template-columns:1fr;}
  .badge-float{display:none;}
  .topbar-label{font-size:13px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#175E9E;
  --c-primary-dark:#0F4478;
  --c-primary-soft:#E8F1F9;
  --c-gold:#C9922F;
  --c-gold-soft:#FBF3E2;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-line:#E3EAF2;
  --c-text:#16212E;
  --c-text-2:#5C6C7E;
  --c-text-3:#93A2B3;
  --c-success:#1F9D6B;
  --c-warn:#D9822B;
  --c-error:#C4453C;
  --r-s:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(22,33,46,.06);
  --sh2:0 6px 20px rgba(23,94,158,.08);
  --sh3:0 14px 40px rgba(23,94,158,.12);
  --sp-section:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--c-primary);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh2);}
.header-top-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  min-height:64px;padding-top:10px;padding-bottom:10px;
  transition:min-height .25s ease,padding .25s ease;
}
.site-header.is-stuck .header-top-inner{min-height:56px;padding-top:6px;padding-bottom:6px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.2px;color:var(--c-text);white-space:nowrap;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-dark));
  box-shadow:var(--sh1);flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.search-form{
  flex:1 1 420px;max-width:660px;
  display:flex;align-items:center;gap:8px;
  height:48px;padding:0 6px 0 16px;
  background:#F2F6FA;border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-form:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,94,158,.12);}
.search-form svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--c-text-3);}
.search-form input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;outline:none;
}
.search-form input::placeholder{color:var(--c-text-3);}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--c-primary-dark);}
.search-btn:active{transform:translateY(1px);}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:14px;color:var(--c-text-2);}
.header-actions a{position:relative;padding:4px 0;}
.header-actions a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.header-actions a:hover::after{transform:scaleX(1);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-chips{border-top:1px solid var(--c-line);background:#fff;}
.nav-chips .inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:10px 24px;
  display:flex;gap:10px;align-items:center;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips .inner::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.chip:hover{transform:translateY(-1px);box-shadow:var(--sh1);color:var(--c-primary-dark);}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh2);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(104deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.86) 46%,rgba(232,241,249,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(201,146,47,.16),rgba(201,146,47,0) 68%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;padding-top:44px;padding-bottom:60px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-text-2);}
.breadcrumb span.sep{color:var(--c-text-3);}
.breadcrumb .cur{color:var(--c-primary);font-weight:600;}
.cat-hero h1{
  margin-top:20px;font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.5px;max-width:20em;
}
.cat-hero h1 .hl{color:var(--c-primary);}
.hero-lead{margin-top:18px;max-width:62ch;font-size:17px;color:var(--c-text-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{border:1.5px solid var(--c-primary);color:var(--c-primary);background:rgba(255,255,255,.7);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px;font-size:14px;color:var(--c-text-2);}
.hero-meta b{color:var(--c-text);font-weight:700;}
.hero-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-gold);display:inline-block;margin-right:8px;vertical-align:middle;}

/* ---------- section base ---------- */
.section{padding:var(--sp-section) 0;}
.section.tight{padding:64px 0;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-gold);
}
.section-head p{margin-top:10px;color:var(--c-text-2);font-size:15px;max-width:60ch;}
.text-link{color:var(--c-primary);font-weight:600;font-size:15px;border-bottom:1px solid rgba(23,94,158,.35);}
.text-link:hover{border-bottom-color:var(--c-primary);}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:104px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-primary-soft),var(--c-line) 12%,var(--c-line) 88%,var(--c-primary-soft));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:88px minmax(0,1fr);gap:0;
  padding:0 0 26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-date{
  font-family:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
  font-size:13px;color:var(--c-text-3);padding-top:24px;letter-spacing:.2px;
}
.tl-date b{display:block;color:var(--c-text-2);font-weight:700;font-size:14px;}
.tl-body{
  position:relative;margin-left:34px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.tl-body::before{
  content:"";position:absolute;left:-41px;top:30px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 4px rgba(23,94,158,.10);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:#D5E3F0;}
.tl-body h3{font-size:19px;line-height:1.5;margin-top:10px;}
.tl-body h3 a:hover{color:var(--c-primary);}
.tl-body p{margin-top:10px;font-size:15px;color:var(--c-text-2);}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:16px;font-size:13px;color:var(--c-text-3);}
.tl-meta .text-link{font-size:14px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-blue{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.badge-gold{background:var(--c-gold-soft);color:#8A6218;border:1px solid rgba(201,146,47,.42);}
.badge-green{background:rgba(31,157,107,.12);color:#137C52;}

/* ---------- side panel ---------- */
.side-panel{position:sticky;top:132px;display:flex;flex-direction:column;gap:22px;}
.panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh2);
}
.panel h3{font-size:17px;margin-bottom:6px;}
.panel .panel-sub{font-size:13.5px;color:var(--c-text-3);margin-bottom:16px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#F2F6FA;border:1px solid var(--c-line);font-size:13px;color:var(--c-text-2);
  transition:all .2s ease;
}
.tag-cloud a:hover{background:var(--c-primary-soft);border-color:#BFD8EC;color:var(--c-primary-dark);transform:translateY(-2px);}
.panel-cover{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);}
.panel-cover img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.panel-cover figcaption{padding:12px 16px;font-size:13px;color:var(--c-text-2);background:#fff;}
.panel-list li{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14px;color:var(--c-text-2);}
.panel-list li:last-child{border-bottom:0;padding-bottom:0;}
.panel-list b{color:var(--c-primary);font-family:ui-monospace,monospace;font-size:13px;flex:0 0 auto;}

/* ---------- stats ---------- */
.stats-band{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:52px 0;}
.stat{
  padding:22px 22px 20px;border-left:3px solid var(--c-primary-soft);border-radius:var(--r-s);
  background:linear-gradient(180deg,#FBFDFF,#FFFFFF);
}
.stat:nth-child(2){border-left-color:var(--c-gold);}
.stat:nth-child(4){border-left-color:#8FB9DA;}
.stat .num{
  font-family:ui-monospace,"DIN Alternate",Menlo,monospace;font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--c-primary-dark);letter-spacing:-.5px;
}
.stat .num small{font-size:15px;font-weight:600;color:var(--c-text-2);margin-left:4px;}
.stat h3{font-size:15px;margin-top:8px;}
.stat p{font-size:13.5px;color:var(--c-text-2);margin-top:6px;}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh2);transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.step .idx{
  font-family:ui-monospace,monospace;font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);height:26px;padding:0 12px;
  display:inline-flex;align-items:center;
}
.step h3{font-size:17px;margin-top:14px;}
.step p{font-size:14px;color:var(--c-text-2);margin-top:8px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:300px minmax(0,1fr);gap:44px;align-items:start;}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;position:relative;padding-left:16px;}
.faq-intro h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-gold);}
.faq-intro p{margin-top:16px;color:var(--c-text-2);font-size:15px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item.open{box-shadow:var(--sh2);border-color:#CFE0EF;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q .icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);
  display:inline-flex;align-items:center;justify-content:center;transition:transform .25s ease,background .25s ease;
}
.faq-q .icon::before{content:"";width:8px;height:8px;border-right:2px solid var(--c-primary-dark);border-bottom:2px solid var(--c-primary-dark);transform:rotate(45deg) translate(-1px,-1px);}
.faq-item.open .faq-q .icon{transform:rotate(180deg);background:var(--c-gold-soft);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--c-text-2);}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#EDF4FB,#FFFFFF 62%,#FBF3E2);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:40px;align-items:center;
  padding:64px 0;
}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
.cta-inner p{margin-top:14px;color:var(--c-text-2);font-size:15px;max-width:52ch;}
.cta-form{
  display:grid;grid-template-columns:1fr 1fr auto;gap:12px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh2);
}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13px;color:var(--c-text-2);}
.field input{
  height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:10px;background:#FAFCFE;
  font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:var(--c-text-3);}
.field input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,94,158,.12);}
.cta-form .submit-cell{display:flex;align-items:flex-end;}
.form-note{grid-column:1/-1;font-size:13px;color:var(--c-text-3);}
.form-note.ok{color:var(--c-success);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.78);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.site-footer .desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:38ch;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-links li,.footer-contact li{font-size:14px;padding:7px 0;}
.footer-links a,.footer-contact li{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sp-section:78px;}
  .container{max-width:960px;}
  .split{grid-template-columns:minmax(0,1fr) 300px;gap:30px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-chips{display:none;}
  .nav-chips.is-open{display:block;}
  .nav-chips .inner{flex-wrap:wrap;overflow:visible;}
  .search-form{order:3;flex:1 1 100%;max-width:none;}
  .header-top-inner{gap:12px;}
  .split{grid-template-columns:minmax(0,1fr);}
  .side-panel{position:static;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:26px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);padding:52px 0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  .container{padding:0 18px;}
  .section.tight{padding:48px 0;}
  .cat-hero .container{padding-top:32px;padding-bottom:44px;}
  .hero-lead{font-size:16px;}
  .timeline::before{left:6px;}
  .tl-item{grid-template-columns:minmax(0,1fr);padding-bottom:20px;}
  .tl-date{padding-top:0;margin-bottom:8px;}
  .tl-date b{display:inline;margin-right:8px;}
  .tl-body{margin-left:0;padding:20px;}
  .tl-body::before{left:-23px;top:26px;width:10px;height:10px;}
  .stats-grid{grid-template-columns:1fr;padding:40px 0;}
  .process-grid{grid-template-columns:1fr;}
  .cta-form{grid-template-columns:1fr;padding:18px;}
  .cta-form .submit-cell .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .brand{font-size:15px;}
  .brand-mark{width:34px;height:34px;}
  .btn{height:42px;padding:0 18px;font-size:14.5px;}
  .search-btn{padding:0 14px;}
}

/* roulang page: article */
:root{
  --brand:#175E9E;
  --brand-dark:#0F4478;
  --brand-light:#E8F1F9;
  --gold:#C9922F;
  --gold-light:#FBF3E2;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --text:#16212E;
  --text-2:#5C6C7E;
  --text-3:#93A2B3;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#C4453C;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-p:999px;
  --sh1:0 1px 2px rgba(22,33,46,.06);
  --sh2:0 6px 20px rgba(23,94,158,.08);
  --sh3:0 14px 40px rgba(23,94,158,.12);
  --maxw:1200px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh3)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-secondary:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:auto}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-p);font-size:13px;line-height:1;font-weight:600;
  background:var(--brand-light);color:var(--brand-dark);
}
.badge-gold{background:var(--gold-light);color:var(--gold);border:1px solid rgba(201,146,47,.35)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-p);
  font-size:13px;background:var(--brand-light);color:var(--brand-dark);transition:background-color .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:var(--sh2)}
.header-top-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-compact .header-top-inner{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh2);flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:700;color:var(--brand-dark);letter-spacing:-.2px;white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:0 1 46%;max-width:520px;min-width:220px;
  height:48px;background:#fff;border:1px solid var(--line);border-radius:var(--r-p);
  box-shadow:var(--sh1);transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,94,158,.14)}
.search-icon{position:absolute;left:16px;display:inline-flex;color:var(--text-3);pointer-events:none}
.search-icon svg{width:18px;height:18px}
.nav-search input{
  flex:1 1 auto;height:100%;border:0;background:transparent;outline:none;
  padding:0 84px 0 44px;font-size:14.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.search-clear{
  position:absolute;right:74px;width:24px;height:24px;border:0;border-radius:50%;
  background:#EDF2F7;color:var(--text-2);font-size:15px;line-height:1;cursor:pointer;display:none;
}
.search-clear.is-visible{display:block}
.search-submit{
  position:absolute;right:6px;height:36px;padding:0 16px;border:0;border-radius:var(--r-p);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease;
}
.search-submit:hover{background:var(--brand-dark)}
.search-submit:active{transform:scale(.97)}
.header-aux{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.header-aux a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.header-aux a:hover{color:var(--brand)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--brand-dark);
}
.nav-toggle svg{width:20px;height:20px}
.nav-chips{border-top:1px solid var(--line);background:#fff}
.nav-chips .inner{
  max-width:var(--maxw);margin:0 auto;padding:10px var(--pad);
  display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;
}
.nav-chips .inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-p);
  font-size:14px;color:var(--text-2);background:#F7FAFD;border:1px solid var(--line);
  white-space:nowrap;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:var(--sh2)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 4px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;
  align-items:start;padding:20px 0 72px;
}
.article-main{min-width:0;max-width:780px}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.32;margin:16px 0 14px;word-break:break-word}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}

.article-body{font-size:17px;line-height:1.9;color:var(--text);padding-top:8px}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;margin:42px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--gold);
}
.article-body h3{font-size:21px;line-height:1.5;margin:30px 0 12px;color:var(--brand-dark)}
.article-body h4{font-size:18px;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:num}
.article-body ol>li{counter-increment:num}
.article-body ol>li::before{
  content:counter(num);position:absolute;left:0;top:0;width:18px;
  font-size:14px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--brand-light);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--sh1)}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body thead th{background:var(--brand-light);color:var(--brand-dark);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFE}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:#EEF3F9;border-radius:6px;padding:2px 6px;font-size:15px}

/* ---------- 空状态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  min-height:220px;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh1);text-align:center;padding:32px;
}
.empty-state svg{width:46px;height:46px;color:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:15px}

/* ---------- 标签行 / 返回 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.back-row{margin-top:28px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:130px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px;box-shadow:var(--sh1);
}
.side-card h3{font-size:15px;color:var(--brand-dark);margin-bottom:12px;letter-spacing:0}
.toc-list li{margin-bottom:8px}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);line-height:1.6;
  padding-left:12px;border-left:2px solid var(--line);transition:all .2s ease;
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand)}
.toc-list .toc-h3 a{padding-left:24px;font-size:13px;color:var(--text-3)}
.tip-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:12px}
.tip-list li:last-child{margin-bottom:0}
.tip-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--brand-light);
  color:var(--brand-dark);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:4px;
}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:24px;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);
}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  box-shadow:var(--sh2);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-light)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover}
.related-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.related-card h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .meta{font-size:13px;color:var(--text-3);margin-top:auto}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 80px}
.cta-box{
  background:var(--brand-light);border:1px solid #D5E5F3;border-radius:var(--r-l);
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-box h2{font-size:24px;margin-bottom:8px;color:var(--brand-dark)}
.cta-box p{color:var(--text-2);font-size:15px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-feedback{flex:1 1 100%;font-size:14px;color:var(--ok);display:none}
.cta-feedback.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 24px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--brand-dark);margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px}
.footer-grid h4{font-size:15px;margin-bottom:14px;color:var(--text)}
.footer-grid .desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:42ch}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:10px;line-height:1.7}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 232px;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991px){
  :root{--pad:22px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .article-main{max-width:none}
  .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px;order:-1}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--pad:18px}
  .header-top-inner{height:auto;flex-wrap:wrap;gap:12px;padding:12px 0}
  .brand{order:1}
  .brand-text{font-size:16px}
  .nav-toggle{order:2;display:inline-flex;margin-left:auto}
  .header-aux{display:none}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0}
  .nav-search input{padding-right:78px}
  .nav-chips{display:none;border-top:0}
  .nav-chips.is-open{display:block}
  .nav-chips .inner{flex-direction:column;align-items:stretch;padding:6px 18px 16px;gap:8px;overflow:visible}
  .chip{justify-content:center;height:42px}
  .site-header.is-compact .header-top-inner{height:auto}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-layout{padding:12px 0 56px}
  .article-side{grid-template-columns:1fr}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:19px}
  .related-grid{grid-template-columns:1fr}
  .cta-box{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:479px){
  .brand-text{font-size:15px}
  .btn{padding:0 18px;font-size:14px}
  .article-head h1{font-size:24px}
  .section-head h2{font-size:20px}
}

/* roulang page: category2 */
:root{
  --brand:#175E9E;
  --brand-dark:#0F4478;
  --brand-light:#E8F1F9;
  --gold:#C9922F;
  --gold-light:#FBF3E2;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --text:#16212E;
  --text-sub:#5C6C7E;
  --text-muted:#93A2B3;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#C4453C;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(22,33,46,.06);
  --sh2:0 6px 20px rgba(23,94,158,.08);
  --sh3:0 14px 40px rgba(23,94,158,.12);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-s);}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.4px;position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--gold);}
.section-sub{color:var(--text-sub);font-size:15px;margin-top:10px;padding-left:16px;max-width:760px;}
.text-link{color:var(--brand);font-size:15px;font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;white-space:nowrap;}
.text-link:hover{border-color:var(--brand);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-compact{box-shadow:var(--sh3);}
.header-inner{display:flex;align-items:center;gap:22px;padding:14px 0;transition:padding .25s ease;}
.site-header.is-compact .header-inner{padding:7px 0;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--brand),var(--brand-dark));display:flex;align-items:center;justify-content:center;box-shadow:var(--sh2);flex:0 0 auto;}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.3px;color:var(--text);white-space:nowrap;}
.search-box{flex:1 1 auto;max-width:620px;display:flex;align-items:center;gap:10px;height:48px;padding:0 6px 0 16px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(23,94,158,.1);}
.search-icon{width:18px;height:18px;flex:0 0 auto;stroke:var(--text-muted);}
.search-box input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;}
.search-box input::placeholder{color:var(--text-muted);}
.search-clear{display:none;width:26px;height:26px;border-radius:50%;background:#DCE5EF;color:#5C6C7E;font-size:13px;line-height:1;align-items:center;justify-content:center;flex:0 0 auto;}
.search-clear.is-on{display:flex;}
.search-btn{height:38px;padding:0 20px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:15px;font-weight:600;flex:0 0 auto;transition:background .2s ease,transform .15s ease;}
.search-btn:hover{background:var(--brand-dark);}
.search-btn:active{transform:translateY(1px);}
.header-links{display:flex;align-items:center;gap:18px;flex:0 0 auto;font-size:15px;color:var(--text-sub);}
.header-links a:hover{color:var(--brand);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-s);border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}

.nav-chips{border-top:1px solid var(--line);background:#fff;}
.nav-chips .inner{max-width:var(--container);margin:0 auto;padding:12px 24px;display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;}
.nav-chips .inner::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--brand-light);color:var(--brand-dark);font-size:14px;font-weight:600;white-space:nowrap;transition:all .2s ease;}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.chip.active:hover{color:#fff;}

/* ---------- banner ---------- */
.banner{position:relative;overflow:hidden;background:var(--brand-dark);}
.banner-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.22;}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(15,68,120,.94) 0%,rgba(23,94,158,.82) 58%,rgba(23,94,158,.62) 100%);}
.banner-inner{position:relative;z-index:2;padding:56px 0 64px;color:#fff;}
.breadcrumb{font-size:14px;color:rgba(255,255,255,.78);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.banner-tag{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:16px;}
.banner-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block;}
.banner h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.5px;margin-bottom:16px;max-width:900px;}
.banner p.lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.88);max-width:720px;}
.banner-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px;max-width:840px;}
.fact{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-m);padding:16px 18px;}
.fact dt{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:6px;}
.fact dd{font-size:17px;font-weight:700;color:#fff;letter-spacing:-.2px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;transition:transform .15s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:var(--sh2);}
.btn-light:hover{background:#F0F6FC;color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent;}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ---------- 卖点条带 ---------- */
.value-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.value-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.value-item{padding:32px 26px;border-right:1px solid var(--line);position:relative;transition:background .25s ease;}
.value-item:last-child{border-right:0;}
.value-item:hover{background:var(--brand-light);}
.value-num{font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;font-weight:700;color:var(--gold);letter-spacing:1px;margin-bottom:12px;display:block;}
.value-item h3{font-size:18px;font-weight:700;margin-bottom:8px;letter-spacing:-.2px;}
.value-item p{font-size:14.5px;line-height:1.75;color:var(--text-sub);}

/* ---------- 瀑布卡 ---------- */
.waterfall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start;}
.waterfall-col{display:flex;flex-direction:column;gap:28px;}
.waterfall-col.offset{margin-top:52px;}
.acard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh2);transition:transform .25s ease,box-shadow .25s ease;}
.acard:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.acard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.acard-media.tall{aspect-ratio:4/3;}
.acard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.acard:hover .acard-media img{transform:scale(1.04);}
.acard-media::after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(to top,rgba(15,68,120,.5),rgba(15,68,120,0));}
.acard-body{padding:24px 26px 26px;}
.badge-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.2px;}
.badge-brand{background:var(--brand-light);color:var(--brand-dark);}
.badge-gold{background:var(--gold-light);color:#8A6416;border:1px solid rgba(201,146,47,.45);}
.badge-ok{background:#E6F6EF;color:#146B49;}
.badge-muted{background:#EFF3F8;color:var(--text-sub);}
.acard h3{font-size:20px;line-height:1.45;font-weight:700;letter-spacing:-.3px;margin-bottom:10px;}
.acard p{font-size:15px;line-height:1.8;color:var(--text-sub);}
.acard-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-muted);}
.acard-meta a{font-weight:600;font-size:14px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:26px 24px 24px;position:relative;box-shadow:var(--sh1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#CFE0EF;}
.step::before{counter-increment:step;content:"0" counter(step);font-family:"DIN Alternate",ui-monospace,monospace;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-light);border-radius:var(--r-pill);padding:3px 12px;display:inline-block;margin-bottom:14px;letter-spacing:.6px;}
.step h3{font-size:17.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.5px;line-height:1.75;color:var(--text-sub);}

/* ---------- 适用场景 ---------- */
.scene-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.scene-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.scene-figure{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh3);aspect-ratio:4/3;background:var(--brand-light);}
.scene-figure img{width:100%;height:100%;object-fit:cover;}
.scene-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.scene-item{display:flex;gap:14px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-m);background:var(--bg);transition:border-color .2s ease,background .2s ease;}
.scene-item:hover{border-color:#CFE0EF;background:#fff;}
.scene-item .dot{width:10px;height:10px;border-radius:3px;background:var(--gold);flex:0 0 auto;margin-top:9px;}
.scene-item h3{font-size:16.5px;font-weight:700;margin-bottom:4px;}
.scene-item p{font-size:14.5px;color:var(--text-sub);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:120px;}
.faq-aside h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;letter-spacing:-.3px;margin-bottom:14px;}
.faq-aside p{font-size:15px;color:var(--text-sub);line-height:1.8;}
.faq-aside .btn{margin-top:22px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:#CFE0EF;box-shadow:var(--sh2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--text);}
.faq-q .arrow{width:24px;height:24px;flex:0 0 auto;border-radius:50%;background:var(--brand-light);position:relative;transition:transform .25s ease,background .25s ease;}
.faq-q .arrow::before,.faq-q .arrow::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);}
.faq-q .arrow::before{width:10px;height:2px;}
.faq-q .arrow::after{width:2px;height:10px;transition:opacity .25s ease;}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);background:var(--brand);}
.faq-item.is-open .faq-q .arrow::before{background:#fff;}
.faq-item.is-open .faq-q .arrow::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-sub);}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-light);border-top:1px solid #D6E6F3;border-bottom:1px solid #D6E6F3;}
.cta-box{background:#fff;border-radius:var(--r-l);box-shadow:var(--sh3);padding:40px 42px;display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.4px;margin-bottom:12px;}
.cta-box p{font-size:15px;color:var(--text-sub);line-height:1.8;}
.cta-note{font-size:13.5px;color:var(--text-muted);margin-top:12px;}
.cta-form{display:flex;flex-direction:column;gap:14px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13.5px;color:var(--text-sub);font-weight:600;}
.field input,.field textarea{height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,94,158,.1);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}

/* ---------- footer ---------- */
.site-footer{background:#0F2A45;color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;}
.site-footer h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.site-footer .desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px;}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.75);}
.footer-links a:hover{color:#fff;}
.footer-contact li{color:rgba(255,255,255,.7);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13.5px;color:rgba(255,255,255,.62);flex-wrap:wrap;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .nav-chips .inner{max-width:960px;}
  .scene-grid{gap:40px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .header-links{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{flex-wrap:wrap;gap:14px;padding:12px 0;}
  .search-box{order:3;flex:1 1 100%;max-width:none;}
  .brand{flex:1 1 auto;}
  .nav-chips .inner{flex-wrap:nowrap;}
  .value-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .value-item{border-bottom:1px solid var(--line);}
  .value-item:nth-child(2n){border-right:0;}
  .value-item:nth-child(3),.value-item:nth-child(4){border-bottom:0;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-box{grid-template-columns:1fr;padding:32px 28px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .banner-facts{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
}
@media (max-width:767px){
  .container,.nav-chips .inner{padding:0 18px;}
  .nav-chips .inner{padding:10px 18px;}
  .brand-text{font-size:16px;}
  .banner-inner{padding:40px 0 48px;}
  .banner-facts{grid-template-columns:1fr;max-width:none;}
  .waterfall{grid-template-columns:1fr;gap:22px;}
  .waterfall-col.offset{margin-top:0;}
  .steps{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .acard-body{padding:20px;}
  .acard h3{font-size:18px;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .banner h1{font-size:26px;}
  .banner p.lead{font-size:15px;}
  .search-btn{padding:0 14px;}
  .value-item{padding:24px 18px;}
  .cta-box{padding:26px 20px;}
}

/* roulang page: category3 */
:root{
  --brand:#175E9E;
  --brand-dark:#0F4478;
  --brand-light:#E8F1F9;
  --gold:#C9922F;
  --gold-light:#FBF3E2;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --text:#16212E;
  --text-2:#5C6C7E;
  --text-3:#93A2B3;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#C4453C;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(22,33,46,.06);
  --sh2:0 6px 20px rgba(23,94,158,.08);
  --sh3:0 14px 40px rgba(23,94,158,.12);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;color:var(--text);}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(23,94,158,.45);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
section{position:relative;}

/* ------- header ------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.compact{box-shadow:var(--sh2);}
.header-top-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:76px;
  transition:min-height .25s ease;
}
.site-header.compact .header-top-inner{min-height:56px;}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  font-weight:700;
  font-size:18px;
  letter-spacing:-.4px;
  white-space:nowrap;
}
.logo:hover{color:var(--brand-dark);}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh2);
}
.brand-mark svg{width:20px;height:20px;}
.search-box{
  position:relative;
  flex:1 1 auto;
  max-width:620px;
  display:flex;
  align-items:center;
  height:48px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,94,158,.12);}
.search-icon{width:18px;height:18px;flex:0 0 auto;stroke:var(--text-3);}
.search-box input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  height:100%;
  padding:0 10px;
  font-size:15px;
  outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-clear{
  display:none;
  width:26px;height:26px;
  border-radius:50%;
  color:var(--text-3);
  font-size:16px;
  line-height:1;
  align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.search-clear.show{display:flex;}
.search-clear:hover{background:var(--brand-light);color:var(--brand);}
.search-btn{
  flex:0 0 auto;
  height:36px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--brand-dark);color:#fff;}
.header-actions{
  display:flex;
  align-items:center;
  gap:18px;
  flex:0 0 auto;
  font-size:14px;
  color:var(--text-2);
}
.header-actions a{
  color:var(--text-2);
  padding:6px 2px;
  border-bottom:1.5px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.header-actions a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.menu-toggle span{width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-chips{background:#fff;border-top:1px solid var(--line);}
.nav-chips .inner{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:10px 24px;
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips .inner::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1.5px solid var(--line);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:var(--sh2);}
.chip.active:hover{color:#fff;background:var(--brand-dark);border-color:var(--brand-dark);}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:14px 24px 20px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;
  padding:12px 4px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.active{color:var(--brand);font-weight:600;}

/* ------- hero ------- */
.page-hero{
  padding:48px 0 64px;
  overflow:hidden;
  background:linear-gradient(180deg,var(--brand-light) 0%,var(--bg) 100%);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.18;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(245,248,251,.97) 0%,rgba(245,248,251,.78) 55%,rgba(245,248,251,.6) 100%);
}
.page-hero .container{position:relative;z-index:1;max-width:1000px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--gold-light);
  border:1px solid rgba(201,146,47,.4);
  color:#8A6314;
  font-size:13px;
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.25;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.page-hero h1 .thin{color:var(--brand);}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:720px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  font-size:14px;
  color:var(--text-2);
}
.hero-facts li{display:flex;align-items:center;gap:8px;}
.hero-facts li::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--gold);
  transform:rotate(45deg);
}

/* ------- buttons ------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.5;pointer-events:none;}

/* ------- section basics ------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{margin-bottom:36px;max-width:780px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--brand);
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--gold);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}
.section-head.row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  max-width:none;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  white-space:nowrap;
  border-bottom:1.5px solid transparent;
  transition:border-color .2s ease;
}
.link-more:hover{border-bottom-color:var(--brand);}

/* ------- rules points ------- */
.points-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.point{
  display:flex;
  gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.point:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.point .num{
  font-family:var(--mono);
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  line-height:1;
  padding-top:4px;
  min-width:38px;
  border-right:1px solid var(--line);
}
.point h3{font-size:18px;margin-bottom:6px;}
.point p{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ------- rules layout: toc + accordion ------- */
.rules-layout{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.sticky-toc{
  position:sticky;
  top:104px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--sh1);
}
.sticky-toc h3{
  font-size:15px;
  color:var(--text-3);
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:14px;
}
.sticky-toc ol{display:flex;flex-direction:column;gap:2px;}
.sticky-toc a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.sticky-toc a .idx{font-family:var(--mono);font-size:12px;color:var(--text-3);}
.sticky-toc a:hover{background:var(--brand-light);color:var(--brand-dark);}
.sticky-toc a.active{background:var(--brand-light);color:var(--brand-dark);border-left-color:var(--brand);font-weight:600;}
.sticky-toc a.active .idx{color:var(--brand);}
.toc-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}

.rules-group{margin-bottom:38px;scroll-margin-top:110px;}
.rules-group > header{
  display:flex;
  align-items:baseline;
  gap:12px;
  margin-bottom:16px;
}
.rules-group > header h3{font-size:21px;}
.rules-group > header .count{
  font-size:12px;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:var(--r-pill);
  padding:3px 10px;
}
.acc-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.acc-item:hover{box-shadow:var(--sh2);}
.acc-item.open{border-color:rgba(23,94,158,.35);box-shadow:var(--sh2);}
.acc-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.acc-head:hover{color:var(--brand);}
.acc-arrow{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--brand-light);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background .2s ease;
}
.acc-arrow svg{width:12px;height:12px;}
.acc-item.open .acc-arrow{transform:rotate(180deg);background:var(--brand);color:#fff;}
.acc-panel{
  display:none;
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
.acc-item.open .acc-panel{display:block;}
.acc-panel strong{color:var(--text);font-weight:600;}
.acc-panel .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--gold-light);
  color:#8A6314;
  font-size:12px;
}

/* ------- process ------- */
.process{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.step::after{
  content:"";
  position:absolute;
  right:-14px;
  top:50%;
  width:10px;height:2px;
  background:var(--line);
}
.step:last-child::after{display:none;}
.step .step-no{
  font-family:var(--mono);
  font-size:13px;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:var(--r-pill);
  padding:3px 12px;
  display:inline-block;
  margin-bottom:14px;
}
.step h4{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ------- checklist ------- */
.check-wrap{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:36px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px;
  box-shadow:var(--sh2);
}
.check-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--text-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list .mark{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:4px;
  border-radius:6px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.check-list strong{color:var(--text);font-weight:600;}
.check-media{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh1);
}
.check-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  transition:transform .4s ease;
}
.check-media:hover img{transform:scale(1.03);}

/* ------- update bar ------- */
.update-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:var(--gold-light);
  border:1px solid rgba(201,146,47,.32);
  border-radius:var(--r-card);
  padding:18px 24px;
  font-size:15px;
  color:#7A5712;
}
.update-bar strong{color:#6B4A0C;}

/* ------- CTA ------- */
.cta-band{
  background:var(--brand-light);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:40px;
  align-items:center;
  padding:64px 0;
}
.cta-copy h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:12px;}
.cta-copy p{color:var(--text-2);font-size:16px;max-width:520px;}
.cta-copy .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;}
.cta-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--sh2);
  display:grid;
  grid-template-columns:1fr 1fr auto;
  gap:14px;
  align-items:end;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--text-2);font-weight:600;}
.field input{
  height:44px;
  border:1.5px solid var(--line);
  border-radius:10px;
  padding:0 14px;
  font-size:15px;
  background:#fff;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,94,158,.12);}
.field input.invalid{border-color:var(--err);box-shadow:0 0 0 4px rgba(196,69,60,.12);}
.form-tip{
  grid-column:1/-1;
  font-size:13px;
  color:var(--text-3);
  margin-top:2px;
}
.form-tip.error{color:var(--err);}
.form-tip.ok{color:var(--ok);}

/* ------- footer ------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;}
.footer-brand .brand-mark svg{width:18px;height:18px;}
.site-footer .desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:380px;}
.site-footer h4{font-size:15px;margin-bottom:16px;}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-contact li{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ------- responsive ------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:1/-1;}
}
@media (max-width:1023px){
  .header-actions{display:none;}
  .menu-toggle{display:flex;}
  .search-box{max-width:none;}
  .section{padding:64px 0;}
  .rules-layout{grid-template-columns:1fr;gap:24px;}
  .sticky-toc{position:static;}
  .sticky-toc ol{
    flex-direction:row;
    flex-wrap:nowrap;
    overflow-x:auto;
    gap:8px;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .sticky-toc ol::-webkit-scrollbar{display:none;}
  .sticky-toc a{
    flex:0 0 auto;
    border:1px solid var(--line);
    border-left:1px solid var(--line);
    border-radius:var(--r-pill);
    padding:8px 16px;
  }
  .sticky-toc a.active{border-color:var(--brand);border-left-color:var(--brand);}
  .toc-note{display:none;}
  .process{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .check-wrap{grid-template-columns:1fr;padding:26px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:56px 0;}
  .cta-form{grid-template-columns:1fr 1fr;}
  .cta-form .btn{grid-column:1/-1;width:100%;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .header-top-inner{flex-wrap:wrap;gap:12px;min-height:64px;padding-top:12px;padding-bottom:12px;}
  .logo{font-size:16px;}
  .search-box{order:3;flex:1 1 100%;max-width:none;height:44px;}
  .menu-toggle{order:2;margin-left:auto;}
  .nav-chips .inner{padding:10px 18px;}
  .section{padding:52px 0;}
  .points-grid{grid-template-columns:1fr;}
  .point{padding:18px;}
  .page-hero{padding:32px 0 44px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head h2{font-size:22px;}
  .process{grid-template-columns:1fr;}
  .rules-group > header h3{font-size:19px;}
  .acc-head{padding:16px 18px;font-size:15px;}
  .acc-panel{padding:0 18px 16px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-bottom:32px;}
  .footer-grid > div:first-child{grid-column:1/-1;}
  .footer-grid > div:last-child{grid-column:1/-1;}
  .cta-form{grid-template-columns:1fr;padding:20px;}
  .update-bar{font-size:14px;padding:16px 18px;}
}
@media (max-width:519px){
  .page-hero::before{opacity:.12;}
  .page-hero h1{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{height:42px;padding:0 18px;font-size:14.5px;}
}