/* roulang page: index */
:root{
  --bg:#0B0F14;
  --bg-alt:#111823;
  --surface:#161E29;
  --surface-2:#1D2734;
  --line:#253141;
  --line-soft:rgba(255,255,255,.08);
  --text:#EEF3F8;
  --muted:#A7B4C2;
  --dim:#6E7C8C;
  --brand:#FF6B1A;
  --brand-hover:#FF8A45;
  --accent:#14E3C6;
  --warn:#FFD34E;
  --hot:#FF3B5C;
  --grad-brand:linear-gradient(135deg,#FF6B1A 0%,#FFB020 100%);
  --grad-cta:linear-gradient(135deg,rgba(255,59,92,.55) 0%,rgba(255,211,78,.35) 100%);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --r-img:14px;
  --elev-1:0 2px 8px rgba(0,0,0,.35);
  --elev-2:0 16px 40px rgba(0,0,0,.45);
  --sec:96px;
  --num-font:'Barlow Condensed','PingFang SC','HarmonyOS Sans','Microsoft YaHei',sans-serif;
}
*,*::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','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--accent);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#5CF2DC;}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0 0 .6em;letter-spacing:-.01em;line-height:1.25;font-weight:700;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:clamp(18px,1.8vw,22px);font-weight:600;line-height:1.4;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(255,107,26,.35);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:var(--sec) 0;}
.sec--alt{background:var(--bg-alt);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:640px;}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:12px;font-weight:600;}
.sec-tag::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:120;padding:16px 0;transition:padding .3s ease;background:transparent;}
.site-header.is-scrolled{padding:8px 0;}
.nav-shell{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:64px;padding:0 10px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(17,24,35,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-soft);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled .nav-shell{background:#111823;box-shadow:var(--elev-2);}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{position:relative;width:22px;height:22px;flex:0 0 22px;}
.brand-mark i{position:absolute;inset:0;display:block;background:var(--grad-brand);clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);border-radius:5px 5px 3px 5px;}
.brand-mark::after{content:"";position:absolute;left:6px;top:8px;width:22px;height:2px;background:var(--accent);transform:rotate(-38deg);transform-origin:left center;border-radius:2px;opacity:.9;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  color:var(--muted);font-size:15px;padding:9px 16px;border-radius:var(--r-pill);
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,107,26,.12);}
.nav-links a.is-active{color:var(--text);background:rgba(255,107,26,.14);}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-soft);color:var(--text);align-items:center;justify-content:center;}
.nav-toggle:hover{background:rgba(255,255,255,.06);}
.nav-drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(11,15,20,.97);
  padding:88px 20px 28px;
  display:none;flex-direction:column;gap:4px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.nav-drawer a{
  color:var(--text);font-size:17px;padding:0 14px;height:52px;display:flex;align-items:center;
  border-radius:12px;border-left:3px solid transparent;
}
.nav-drawer a:hover{background:rgba(255,255,255,.04);}
.nav-drawer a.is-active{border-left-color:var(--brand);background:rgba(255,107,26,.1);}
.nav-drawer .drawer-cta{margin-top:16px;}
.drawer-close{position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-soft);color:var(--text);display:flex;align-items:center;justify-content:center;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#1A0E04;box-shadow:0 10px 24px rgba(255,107,26,.22);}
.btn-primary:hover{color:#1A0E04;box-shadow:0 12px 30px rgba(255,107,26,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid rgba(255,255,255,.18);color:var(--text);background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.06);color:var(--text);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:var(--r-pill);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn.is-loading{position:relative;color:transparent;}
.btn.is-loading::after{
  content:"";position:absolute;width:18px;height:18px;border-radius:50%;
  border:2px solid rgba(0,0,0,.25);border-top-color:#1A0E04;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:600;font-size:15px;}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(2px);}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.02em;padding:4px 10px;border-radius:6px;font-weight:600;line-height:1.5;}
.badge-cat{background:rgba(20,227,198,.12);color:var(--accent);}
.badge-hot{background:var(--brand);color:#1A0E04;}
.badge-limit{border:1px solid var(--hot);color:#FF8497;background:rgba(255,59,92,.08);}

/* Hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;padding:120px 0 72px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,20,.85) 0%,rgba(11,15,20,.95) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{margin:18px 0 20px;max-width:14em;}
.hero h1 span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:18px;color:var(--muted);max-width:34em;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-panel);border:1px solid var(--line-soft);}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--elev-2);display:flex;align-items:center;gap:14px;
}
.float-card .num{font-family:var(--num-font);font-size:32px;font-weight:800;color:var(--warn);line-height:1;}
.float-card small{display:block;color:var(--dim);font-size:12px;letter-spacing:.02em;}

/* 信任条 */
.trust{margin-top:-44px;position:relative;z-index:6;}
.trust-shell{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:18px 12px;box-shadow:var(--elev-1);
}
.trust-item{display:flex;align-items:center;gap:12px;padding:6px 18px;border-right:1px solid var(--line-soft);}
.trust-item:last-child{border-right:none;}
.trust-item i{color:var(--brand);font-size:18px;}
.trust-item .num{font-family:var(--num-font);font-size:26px;font-weight:800;color:var(--text);line-height:1;}
.trust-item small{display:block;color:var(--dim);font-size:13px;margin-top:2px;}

/* 优惠阶梯 */
.ladder{display:flex;flex-direction:column;gap:20px;}
.step{
  position:relative;display:grid;grid-template-columns:96px 1fr 220px;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--elev-1);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease;
}
.step::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:.6;}
.step:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);}
.step-no{font-family:var(--num-font);font-size:52px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px rgba(255,107,26,.7);line-height:1;}
.step h3{margin-bottom:8px;}
.step ul{display:flex;flex-wrap:wrap;gap:8px 18px;}
.step ul li{color:var(--muted);font-size:14px;display:flex;align-items:center;gap:8px;}
.step ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);flex:0 0 5px;}
.step-side{text-align:right;border-left:1px solid var(--line-soft);padding-left:24px;}
.step-side .gate{font-family:var(--num-font);font-size:34px;font-weight:800;color:var(--warn);line-height:1;}
.step-side small{display:block;color:var(--dim);font-size:12px;margin:4px 0 12px;}
.step--2{background:linear-gradient(90deg,rgba(255,107,26,.05),transparent 45%),var(--surface);}
.step--3 .step-no{-webkit-text-stroke-color:rgba(20,227,198,.7);}
.step--4 .step-no{-webkit-text-stroke-color:rgba(255,211,78,.75);}

/* 对比矩阵 */
.matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-panel);background:var(--surface);box-shadow:var(--elev-1);}
table.matrix{width:100%;border-collapse:collapse;min-width:820px;}
table.matrix th,table.matrix td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:15px;}
table.matrix thead th{background:var(--surface-2);font-size:16px;color:var(--text);position:relative;}
table.matrix tbody tr:hover{background:rgba(255,255,255,.03);}
table.matrix td:first-child{color:var(--muted);font-weight:600;}
.col-rec{background:rgba(255,107,26,.06);}
thead th.col-rec::before{content:"";position:absolute;left:0;right:0;top:-1px;height:3px;background:var(--grad-brand);border-radius:3px 3px 0 0;}
.col-rec .price{font-family:var(--num-font);font-size:28px;font-weight:800;color:var(--brand);line-height:1;}
.rec-badge{position:absolute;right:14px;top:12px;font-size:11px;background:var(--brand);color:#1A0E04;padding:3px 8px;border-radius:5px;font-weight:700;}
.tick{color:var(--accent);}
.cross{color:var(--dim);}
.plan-sub{display:block;font-size:12px;color:var(--dim);font-weight:400;}

/* 限时横幅 */
.limit-banner{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--grad-cta),var(--bg-alt);
}
.limit-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.limit-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;width:100%;flex-wrap:wrap;}
.countdown{display:flex;align-items:center;gap:12px;}
.cd-block{
  min-width:72px;text-align:center;background:rgba(11,15,20,.65);
  border:1px solid var(--line);border-radius:var(--r-card);padding:10px 8px;
}
.cd-block b{display:block;font-family:var(--num-font);font-size:32px;font-weight:800;color:var(--warn);line-height:1;}
.cd-block span{font-size:11px;color:var(--dim);letter-spacing:.06em;}

/* 图文区 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-panel);border:1px solid var(--line-soft);}
.split .points{display:grid;gap:16px;margin:24px 0 28px;}
.point{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;transition:transform .25s ease,border-color .25s ease;}
.point:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);}
.point i{color:var(--accent);font-size:18px;margin-top:3px;}
.point h4{margin:0 0 4px;font-size:16px;}
.point p{margin:0;color:var(--muted);font-size:14px;line-height:1.7;}

/* 表单 */
.consult{display:grid;grid-template-columns:2fr 3fr;gap:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);padding:36px;box-shadow:var(--elev-1);}
.consult aside h2{margin-bottom:14px;}
.consult aside ul{display:grid;gap:12px;margin:22px 0;}
.consult aside ul li{display:flex;gap:10px;color:var(--muted);font-size:15px;}
.consult aside ul li i{color:var(--brand);margin-top:5px;}
.service-time{font-size:14px;color:var(--dim);border-top:1px solid var(--line-soft);padding-top:18px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;color:var(--muted);}
.field label .req{color:var(--hot);margin-left:4px;}
.field input,.field select,.field textarea{
  background:#101720;border:1px solid #2A3542;border-radius:var(--r-input);
  height:48px;padding:0 14px;color:var(--text);transition:border-color .2s ease;
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:none;}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:none;}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A7B4C2' stroke-width='2.5' stroke-linecap='round'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--hot);}
.field .err{font-size:12px;color:#FF8497;display:none;}
.field.has-error .err{display:block;}
.form-note{grid-column:1/-1;font-size:12px;color:var(--dim);margin-top:2px;}
.form-status{grid-column:1/-1;font-size:14px;color:var(--accent);display:none;}
.form-status.is-show{display:block;}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--elev-1);transition:transform .25s ease,border-color .25s ease;
}
.news-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);opacity:0;transition:opacity .25s ease;}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);}
.news-card:hover::before{opacity:1;}
.news-cover{display:block;overflow:hidden;background:var(--surface);}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{margin:0;font-size:18px;line-height:1.5;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand-hover);}
.news-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--dim);}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--muted);background:rgba(22,30,41,.4);
}
.empty-state p{margin:0 0 16px;}

/* FAQ */
.faq{border-top:1px solid var(--line-soft);}
.faq details{border-bottom:1px solid var(--line-soft);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 4px;font-size:17px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";font-family:var(--num-font);font-size:26px;color:var(--brand);
  transition:transform .25s ease;line-height:1;flex:0 0 auto;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .faq-body{background:var(--surface-2);border-left:3px solid var(--brand);border-radius:0 12px 12px 0;padding:18px 22px;margin-bottom:18px;color:var(--muted);font-size:15px;}
.faq .faq-body p:last-child{margin-bottom:0;}

/* CTA 条 */
.cta-band{
  position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);
  padding:48px 40px;text-align:center;background:var(--grad-cta),var(--bg-alt);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{margin-bottom:12px;}
.cta-band p{color:var(--muted);max-width:640px;margin:0 auto 26px;}
.cta-band .hero-actions{justify-content:center;}

/* 页脚 */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--dim);font-size:13px;line-height:1.8;max-width:34em;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--muted);font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col li span{color:var(--muted);font-size:14px;}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--dim);}

@media (max-width:1200px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  :root{--sec:64px;}
  .hero{min-height:520px;padding:110px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:-1;}
  .step{grid-template-columns:72px 1fr;gap:20px;}
  .step-side{grid-column:1/-1;text-align:left;border-left:none;border-top:1px solid var(--line-soft);padding:16px 0 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .consult{grid-template-columns:1fr;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .trust-shell{grid-template-columns:repeat(2,1fr);border-radius:var(--r-panel);}
  .trust-item{border-right:none;}
}
@media (max-width:768px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .hero{padding:96px 0 48px;min-height:480px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .brand-name{font-size:16px;}
  .limit-banner{padding:26px 20px;}
  .cd-block{min-width:60px;}
  .cd-block b{font-size:26px;}
  .cta-band{padding:36px 20px;}
  .step{padding:22px;}
  .step-no{font-size:38px;}
}
@media (max-width:600px){
  .news-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .countdown{flex-wrap:wrap;gap:8px;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0F14;
  --bg-2:#111823;
  --surface:#161E29;
  --surface-2:#1D2734;
  --line:#253141;
  --line-soft:rgba(255,255,255,.08);
  --text:#EEF3F8;
  --text-2:#A7B4C2;
  --text-3:#6E7C8C;
  --brand:#FF6B1A;
  --brand-hover:#FF8A45;
  --accent:#14E3C6;
  --warn:#FFD34E;
  --hot:#FF3B5C;
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --elev-1:0 2px 8px rgba(0,0,0,.35);
  --elev-2:0 16px 40px rgba(0,0,0,.45);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","PingFang SC","Microsoft YaHei",sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  background:rgba(20,227,198,.12);
  border-radius:6px;
  padding:4px 10px;
  margin-bottom:16px;
}
.section-head h2{font-size:32px;}
.section-head p{margin-top:14px;color:var(--text-2);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:60;
  padding:0 24px;
  transition:top .25s ease;
}
.site-header.is-solid{top:8px;}
.nav-shell{
  max-width:1180px;
  margin:0 auto;
  height:64px;
  padding:0 14px 0 18px;
  display:flex;
  align-items:center;
  gap:20px;
  border-radius:999px;
  background:rgba(17,24,35,.72);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-solid .nav-shell{
  background:#111823;
  border-color:var(--line);
  box-shadow:var(--elev-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:26px;height:26px;border-radius:7px;
  background:linear-gradient(135deg,var(--brand),#FFB020);
  position:relative;
  display:inline-block;
  flex-shrink:0;
}
.brand-mark i{
  position:absolute;
  right:-4px;bottom:-4px;
  width:12px;height:12px;
  border-radius:3px;
  background:var(--accent);
  opacity:.85;
}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-links a{
  font-size:15px;
  color:var(--text-2);
  padding:8px 14px;
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,107,26,.12);}
.nav-links a.is-active{color:var(--text);background:rgba(255,107,26,.16);}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-2);
  align-items:center;
  justify-content:center;
  font-size:17px;
  transition:color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{color:var(--text);border-color:rgba(255,107,26,.4);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:background .2s ease,box-shadow .2s ease,transform .12s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#FFB020);
  color:#1A1005;
  font-weight:700;
}
.btn-primary:hover{
  background:linear-gradient(135deg,var(--brand-hover),#FFC257);
  box-shadow:0 0 0 1px rgba(255,107,26,.45),0 10px 26px rgba(255,107,26,.22);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;pointer-events:none;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-size:15px;
  font-weight:600;
}
.text-link span{transition:transform .2s ease;}
.text-link:hover span{transform:translateX(3px);}

.badge{
  display:inline-block;
  font-size:12px;
  letter-spacing:.02em;
  border-radius:6px;
  padding:4px 10px;
  line-height:1.5;
}
.badge-accent{background:rgba(20,227,198,.12);color:var(--accent);}
.badge-brand{background:var(--brand);color:#221204;font-weight:700;}
.badge-warn{border:1px solid var(--warn);color:var(--warn);}

/* ---------- 分类页页头 ---------- */
.banner{
  position:relative;
  min-height:360px;
  margin-top:-80px;
  padding:150px 0 64px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(11,15,20,.86),rgba(11,15,20,.96)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.banner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  pointer-events:none;
}
.banner .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--text-3);}
.breadcrumb li:last-child::after{content:"";}
.banner h1{
  font-size:40px;
  font-weight:800;
  max-width:820px;
}
.banner .lede{
  margin-top:16px;
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
}
.banner .banner-cta{margin-top:24px;}

/* ---------- 档位说明：图文左右交错 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:32px;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  background:var(--surface);
  box-shadow:var(--elev-1);
  position:relative;
  transition:transform .25s ease,border-color .25s ease;
}
.feature-row + .feature-row{margin-top:24px;}
.feature-row:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  background:var(--surface);
  aspect-ratio:16/9;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:14px;
  transition:transform .4s ease;
}
.feature-row:hover .feature-media img{transform:scale(1.04);}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,15,20,.05),rgba(11,15,20,.5));
  pointer-events:none;
}
.feature-body h3{font-size:22px;margin:14px 0 10px;}
.feature-body > p{color:var(--text-2);font-size:15px;}

.num-list{margin-top:20px;display:grid;gap:14px;}
.num-list li{
  display:flex;
  gap:14px;
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.num-list li:last-child{border-bottom:0;padding-bottom:0;}
.num-list .num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  min-width:38px;
  letter-spacing:0;
}
.num-list strong{display:block;font-size:15px;}
.num-list p{color:var(--text-2);font-size:14px;line-height:1.7;}
.feature-body .text-link{margin-top:20px;}

/* ---------- 数据条带 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  padding:28px;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  background:var(--surface-2);
  box-shadow:var(--elev-1);
}
.stat-item{text-align:center;padding:8px;}
.stat-item .val{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:var(--warn);
}
.stat-item .lab{margin-top:10px;font-size:14px;color:var(--text-2);}

/* ---------- 门槛与权益对照表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  box-shadow:var(--elev-1);
  overflow-x:auto;
}
table.compare{
  width:100%;
  min-width:820px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.compare th,
table.compare td{
  padding:16px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:var(--surface-2);
  color:var(--text);
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
}
table.compare tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
table.compare tbody tr:hover{background:rgba(255,255,255,.03);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td:first-child{
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
}
table.compare td{color:var(--text-2);}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- 适用与核对 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  position:relative;
  padding:26px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  box-shadow:var(--elev-1);
  transition:transform .25s ease,border-color .25s ease;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  opacity:0;
  transition:opacity .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);}
.card:hover::before{opacity:1;}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--text-2);font-size:14.5px;}
.card .card-index{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:800;
  color:rgba(255,255,255,.14);
  line-height:1;
  margin-bottom:12px;
  display:block;
}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  padding:12px 0;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-hover);}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--accent);
  transition:transform .3s ease,border-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(20,227,198,.5);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner{
  background:var(--surface-2);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  padding:18px 22px;
  margin-bottom:18px;
  color:var(--text-2);
  font-size:15px;
}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-panel);
  padding:38px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  overflow:hidden;
  border:1px solid rgba(255,59,92,.32);
  background:linear-gradient(120deg,rgba(255,59,92,.18),rgba(255,211,78,.12)),var(--surface);
  box-shadow:var(--elev-1);
}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px;}

/* ---------- 咨询表单 ---------- */
.consult-grid{
  display:grid;
  grid-template-columns:40% 60%;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  background:var(--surface);
  box-shadow:var(--elev-1);
  overflow:hidden;
}
.consult-side{
  padding:36px 32px;
  background:var(--surface-2);
  border-right:1px solid var(--line);
}
.consult-side h2{font-size:26px;}
.consult-side > p{margin-top:14px;color:var(--text-2);font-size:15px;}
.value-list{margin-top:24px;display:grid;gap:14px;}
.value-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.value-list i{color:var(--accent);margin-top:6px;font-size:13px;}
.side-meta{
  margin-top:26px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--text-3);
  display:grid;
  gap:8px;
}
.consult-form{padding:36px 32px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--text-2);}
.field .req{color:var(--hot);margin-left:4px;}
.field input,
.field select,
.field textarea{
  height:48px;
  padding:0 14px;
  border-radius:var(--radius-input);
  border:1px solid #2A3542;
  background:#101720;
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{border-color:var(--accent);}
.privacy-note{margin-top:12px;font-size:12.5px;color:var(--text-3);}
.form-feedback{
  margin-top:14px;
  font-size:14px;
  color:var(--accent);
  display:none;
}
.form-feedback.is-on{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand p{margin-top:18px;color:var(--text-3);font-size:13.5px;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col li a,
.footer-col li span{
  font-size:13.5px;
  color:var(--text-2);
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .check-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .section{padding:64px 0;}
  .site-header{top:8px;padding:0 16px;}
  .nav-shell{gap:12px;padding:0 10px 0 14px;}
  .nav-links{
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + 12px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    border-radius:20px;
    border:1px solid var(--line);
    background:#111823;
    box-shadow:var(--elev-2);
  }
  .nav-shell.is-open .nav-links{display:flex;}
  .nav-links a{
    min-height:52px;
    display:flex;
    align-items:center;
    font-size:15.5px;
    padding:0 16px;
    border-radius:12px;
  }
  .nav-links a.is-active{
    background:rgba(255,107,26,.14);
    box-shadow:inset 3px 0 0 var(--brand);
  }
  .nav-toggle{display:inline-flex;}
  .nav-right .btn-sm{display:none;}
  .banner{min-height:320px;padding:130px 0 48px;margin-top:-72px;}
  .banner h1{font-size:32px;}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:24px;}
  .feature-row.reverse .feature-media{order:0;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .consult-grid{grid-template-columns:1fr;}
  .consult-side{border-right:0;border-bottom:1px solid var(--line);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:600px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .brand-name{font-size:16px;}
  .banner h1{font-size:26px;}
  .banner .lede{font-size:15px;}
  .stat-strip{grid-template-columns:1fr 1fr;padding:20px;gap:12px;}
  .stat-item .val{font-size:28px;}
  .check-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .consult-side,.consult-form{padding:26px 20px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .nav-right .btn-sm{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band h2{font-size:21px;}
  .text-link{font-size:14.5px;}
}

/* roulang page: article */
:root{
  --bg:#0B0F14;
  --bg-2:#111823;
  --surface:#161E29;
  --surface-2:#1D2734;
  --line:#253141;
  --line-soft:rgba(255,255,255,.08);
  --text:#EEF3F8;
  --text-2:#A7B4C2;
  --text-3:#6E7C8C;
  --brand:#FF6B1A;
  --brand-hover:#FF8A45;
  --accent:#14E3C6;
  --warn:#FFD34E;
  --hot:#FF3B5C;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-input:10px;
  --elev-1:0 2px 8px rgba(0,0,0,.35);
  --elev-2:0 16px 40px rgba(0,0,0,.45);
  --c-w:1200px;
  --sp:96px;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,107,26,.35);color:#fff}

.container{max-width:var(--c-w);margin:0 auto;padding:0 24px}
.num{font-family:"Barlow Condensed","PingFang SC",system-ui,sans-serif;font-weight:800;letter-spacing:0}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:90;
  transition:top .25s ease;
}
.site-header.is-scrolled{top:8px}
.site-header .container{max-width:1180px}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:64px;padding:0 10px 0 18px;
  border-radius:999px;
  background:rgba(17,24,35,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-soft);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .nav-shell{background:#111823;box-shadow:var(--elev-2);border-color:rgba(255,255,255,.1)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;width:26px;height:26px;flex:0 0 26px;
  background:linear-gradient(135deg,var(--brand),#FFB020);
  border-radius:8px 2px 8px 2px;
}
.brand-mark i{position:absolute;right:-6px;top:11px;width:12px;height:2px;background:var(--accent);border-radius:2px}
.brand-name{font-size:18px;font-weight:800;letter-spacing:0;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{
  font-size:15px;color:var(--text-2);padding:8px 14px;border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,107,26,.12)}
.nav-links a.is-active{color:var(--brand-hover);background:rgba(255,107,26,.14)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:999px;
  background:transparent;border:1px solid var(--line-soft);color:var(--text);
  cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.06)}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;cursor:pointer;
  border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,#FF6B1A,#FFB020);color:#15100A}
.btn-primary:hover{background:linear-gradient(135deg,#FF8A45,#FFC248);box-shadow:0 0 0 1px rgba(255,107,26,.5),0 10px 26px rgba(255,107,26,.28);color:#15100A}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.02em;padding:4px 10px;border-radius:6px;
  background:rgba(20,227,198,.12);color:var(--accent);border:1px solid rgba(20,227,198,.22);
}
.badge-warn{background:rgba(255,211,78,.1);color:var(--warn);border-color:rgba(255,211,78,.3)}
.badge-brand{background:linear-gradient(135deg,#FF6B1A,#FFB020);color:#15100A;border-color:transparent;font-weight:700}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14px;font-weight:600;transition:color .2s ease;
}
.arrow-link i{transition:transform .2s ease}
.arrow-link:hover{color:#6FF7E4}
.arrow-link:hover i{transform:translateX(2px)}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:132px 0 56px;
  background:
    linear-gradient(180deg,rgba(11,15,20,.86),rgba(11,15,20,.94)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current]{color:var(--text);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:44px;font-weight:800;line-height:1.15;max-width:940px;
  word-break:break-word;
}
.article-lead{
  margin-top:18px;max-width:760px;font-size:17px;color:var(--text-2);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;font-size:14px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.article-cover{
  margin-top:36px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--elev-1);
  background:var(--surface);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ============ 布局 ============ */
.page-body{padding:64px 0 var(--sp)}
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;align-items:start;
}
.main-col{min-width:0;max-width:800px}

/* ============ 正文排版 ============ */
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:32px;
}
.prose{
  font-size:17px;line-height:1.9;color:#D6DFE8;
  word-break:break-word;
}
.prose p{margin:0 0 1.4em}
.prose h2{
  position:relative;font-size:25px;font-weight:700;color:var(--text);
  margin:48px 0 18px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,#FF6B1A,#FFB020);
}
.prose h3{font-size:20px;font-weight:600;color:var(--text);margin:34px 0 14px}
.prose h4{font-size:17px;font-weight:700;color:var(--text);margin:26px 0 12px}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:24px}
.prose ul li{list-style:disc;margin-bottom:.5em}
.prose ol li{list-style:decimal;margin-bottom:.5em}
.prose ul li::marker{color:var(--accent)}
.prose ol li::marker{color:var(--accent);font-weight:700}
.prose blockquote{
  margin:28px 0;padding:18px 22px;background:var(--surface-2);
  border-left:4px solid var(--accent);border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:16px;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:24px auto;box-shadow:var(--elev-1)}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.prose a{color:var(--accent);border-bottom:1px solid rgba(20,227,198,.35)}
.prose a:hover{color:#6FF7E4}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:var(--bg-2);border-radius:12px;overflow:hidden}
.prose th{background:var(--surface-2);color:var(--text);text-align:left;padding:13px 16px;font-weight:700;font-size:14px}
.prose td{padding:13px 16px;border-top:1px solid var(--line);color:var(--text-2)}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.prose code{background:#101720;border:1px solid var(--line);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--warn)}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-panel);
  padding:48px 24px;text-align:center;background:rgba(22,30,41,.5);
}
.empty-state p{font-size:16px;color:var(--text-2);margin-bottom:18px}

/* ============ 文末区块 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.tag{
  font-size:13px;padding:6px 12px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:rgba(20,227,198,.4);color:var(--accent)}
.notice{
  margin-top:24px;padding:18px 20px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--line);
  font-size:12px;line-height:1.8;color:var(--text-3);
}
.article-foot{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;
  margin-top:24px;
}
.section-title{
  font-size:28px;font-weight:700;margin-bottom:8px;
}
.section-sub{font-size:15px;color:var(--text-2)}

/* ============ 内容卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--elev-1);overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,#FF6B1A,#FFB020);
  opacity:0;transition:opacity .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);box-shadow:0 0 0 1px rgba(20,227,198,.25),var(--elev-2)}
.post-card:hover::before{opacity:1}
.post-cover{overflow:hidden;background:var(--surface);aspect-ratio:16/9}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 侧栏 ============ */
.side-col{display:grid;gap:20px;position:sticky;top:104px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--elev-1);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand)}
.side-list{display:grid;gap:14px}
.side-item{display:flex;gap:12px;align-items:flex-start;transition:transform .2s ease}
.side-item:hover{transform:translateX(2px)}
.side-item img{width:76px;height:52px;object-fit:cover;border-radius:10px;border:1px solid var(--line);flex:0 0 76px}
.side-item strong{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--text)}
.side-item span{font-size:12px;color:var(--text-3)}
.side-item:hover strong{color:var(--brand-hover)}
.side-links{display:grid;gap:8px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:10px;background:var(--bg-2);
  border:1px solid var(--line);font-size:14px;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.side-links a i{color:var(--accent);font-size:12px}
.side-links a:hover{border-color:rgba(255,107,26,.45);color:var(--text);background:var(--surface-2)}
.cta-card{
  background:linear-gradient(150deg,rgba(255,59,92,.16),rgba(255,211,78,.08)),var(--surface-2);
  border:1px solid rgba(255,107,26,.35);
  border-radius:var(--r-panel);padding:24px;text-align:left;
}
.cta-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.cta-card p{font-size:14px;color:var(--text-2);margin-bottom:18px}

/* ============ 通用板块 ============ */
.section{padding:var(--sp) 0}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;background:var(--surface)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 24px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);transition:background .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:rgba(255,255,255,.03)}
.faq summary::after{
  content:"+";font-family:"Barlow Condensed",system-ui,sans-serif;
  font-size:24px;font-weight:700;color:var(--brand);flex:0 0 auto;
  transition:transform .22s ease;
}
.faq details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq .faq-body{
  padding:0 24px 22px;background:var(--surface-2);
  border-left:3px solid var(--brand);font-size:15px;color:var(--text-2);
}

/* ============ CTA 条 ============ */
.cta-band{
  border-radius:var(--r-panel);padding:38px 36px;
  background:linear-gradient(120deg,rgba(255,59,92,.22),rgba(255,211,78,.12)),var(--bg-2);
  border:1px solid rgba(255,211,78,.28);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:28px;font-weight:800;margin-bottom:8px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:var(--sp)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  :root{--sp:72px}
  .layout{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .main-col{max-width:none}
  .article-title{font-size:38px}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;left:16px;right:16px;top:88px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:20px;
    background:#111823;border:1px solid var(--line);
    box-shadow:var(--elev-2);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    margin-left:0;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-links a{
    height:52px;display:flex;align-items:center;
    padding:0 16px;border-radius:12px;font-size:16px;
  }
  .nav-links a.is-active{box-shadow:inset 3px 0 0 var(--brand)}
  .nav-toggle{display:inline-flex}
  .nav-shell{padding:0 8px 0 16px}
  .brand-name{font-size:16px}
  .article-hero{padding:118px 0 44px}
  .article-title{font-size:32px}
  .panel{padding:24px}
  .prose{font-size:16.5px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:28px 24px}
}
@media (max-width:600px){
  :root{--sp:48px}
  .container{padding:0 16px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .article-title{font-size:28px}
  .article-lead{font-size:15.5px}
  .section-head{flex-direction:column;align-items:flex-start}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .side-col{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
  .cta-actions{width:100%}
  .faq summary{padding:14px 18px;font-size:15px}
  .faq .faq-body{padding:0 18px 18px}
  .breadcrumb [aria-current]{max-width:150px}
}

/* roulang page: category2 */
:root{
  --bg:#0B0F14;
  --bg-alt:#111823;
  --surface:#161E29;
  --surface-2:#1D2734;
  --line:#253141;
  --line-soft:rgba(255,255,255,.08);
  --text:#EEF3F8;
  --text-2:#A7B4C2;
  --text-3:#6E7C8C;
  --brand:#FF6B1A;
  --brand-hover:#FF8A45;
  --accent:#14E3C6;
  --warn:#FFD34E;
  --hot:#FF3B5C;
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --elev-1:0 2px 8px rgba(0,0,0,.35);
  --elev-2:0 16px 40px rgba(0,0,0,.45);
  --section-y:96px;
  --font-num:"Barlow Condensed","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease,transform .2s ease;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.25;}
h1{font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:80;
  transition:top .25s ease;
}
.site-header.is-scrolled{top:8px;}
.nav-shell{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(17,24,35,.72);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:#111823;
  border-color:rgba(255,255,255,.1);
  box-shadow:var(--elev-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;
  width:26px;height:26px;
  display:inline-block;
  background:var(--brand);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand-mark i{position:absolute;right:5px;bottom:5px;width:10px;height:2px;background:var(--accent);}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  font-size:15px;
  color:var(--text-2);
  padding:8px 14px;
  border-radius:999px;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,107,26,.12);}
.nav-links a.is-active{color:var(--text);background:rgba(255,107,26,.16);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line-soft);
  background:transparent;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);}
.nav-cta{display:none;}

/* ---------- 按钮 / 徽章 / 链接 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#FF6B1A,#FFB020);
  color:#101720;
  font-weight:700;
}
.btn-primary:hover{background:linear-gradient(135deg,#FF8A45,#FFC24D);box-shadow:0 0 0 1px rgba(255,107,26,.5),0 10px 26px rgba(255,107,26,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-size:15px;
  font-weight:600;
}
.text-link i{transition:transform .2s ease;}
.text-link:hover{color:#5BF2DC;}
.text-link:hover i{transform:translateX(3px);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:6px;
  font-size:12px;
  letter-spacing:.02em;
  line-height:1.6;
  white-space:nowrap;
}
.badge-accent{background:rgba(20,227,198,.12);color:var(--accent);}
.badge-brand{background:rgba(255,107,26,.16);color:#FFB020;}
.badge-warn{border:1px solid var(--warn);color:var(--warn);background:transparent;}
.tag-recommend{
  display:inline-block;
  margin-left:8px;
  padding:2px 8px;
  border-radius:6px;
  background:var(--brand);
  color:#101720;
  font-size:12px;
  font-weight:700;
}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  margin-top:-80px;
  padding:168px 0 84px;
  min-height:360px;
  background-image:linear-gradient(180deg,rgba(11,15,20,.86),rgba(11,15,20,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb [aria-current="page"]{color:var(--text-2);}
.hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.page-hero .text-link{margin-top:26px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-y) 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}

/* ---------- 宽幅图 ---------- */
.wide-figure{margin:0 0 44px;position:relative;}
.wide-figure img{
  width:100%;
  aspect-ratio:16/6;
  object-fit:cover;
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
}
.wide-figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 2×2 要点卡矩阵 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.point-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--elev-1);
  transition:transform .25s ease,border-color .25s ease;
  overflow:hidden;
}
.point-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(135deg,#FF6B1A,#FFB020);
  opacity:0;
  transition:opacity .25s ease;
}
.point-card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.4);}
.point-card:hover::before{opacity:1;}
.point-icon{
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--accent);
  font-size:18px;
  margin-bottom:18px;
}
.point-card h3{margin-bottom:10px;}
.point-card p{color:var(--text-2);font-size:15px;}
.point-card .num{
  position:absolute;
  right:22px;top:14px;
  font-family:var(--font-num);
  font-size:44px;
  font-weight:800;
  color:rgba(255,255,255,.05);
  line-height:1;
}

/* ---------- 对比矩阵 ---------- */
.matrix-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  background:var(--surface);
  overflow:hidden;
  box-shadow:var(--elev-1);
}
.matrix-table{width:100%;border-collapse:collapse;font-size:15px;}
.matrix-table th,.matrix-table td{
  padding:18px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.matrix-table thead th{
  background:var(--surface-2);
  font-size:15px;
  font-weight:700;
  color:var(--text);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.matrix-table thead th:first-child{color:var(--text-2);font-weight:600;}
.matrix-table th.is-featured{position:relative;background:rgba(255,107,26,.12);color:#FFC24D;}
.matrix-table th.is-featured::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(135deg,#FF6B1A,#FFB020);
}
.matrix-table td.is-featured{background:rgba(255,107,26,.05);}
.matrix-table tbody tr{transition:background .2s ease;}
.matrix-table tbody tr:hover{background:rgba(255,255,255,.03);}
.matrix-table tbody tr:last-child td{border-bottom:none;}
.matrix-table td:first-child{color:var(--text);font-weight:600;}
.matrix-table td{color:var(--text-2);}
.matrix-table .yes{color:var(--accent);font-weight:700;}
.matrix-table .no{color:var(--text-3);}
.matrix-note{margin-top:18px;font-size:13px;color:var(--text-3);}

/* ---------- 横向步骤条 ---------- */
.steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
  margin-top:8px;
}
.steps::before{
  content:"";
  position:absolute;
  top:22px;left:8%;right:8%;
  height:2px;
  background:linear-gradient(90deg,rgba(255,107,26,.55),rgba(20,227,198,.45));
}
.step{position:relative;z-index:1;text-align:center;}
.step-head{
  width:44px;height:44px;
  margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:var(--surface-2);
  border:1px solid var(--line);
  font-family:var(--font-num);
  font-size:18px;
  font-weight:800;
  color:var(--warn);
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- 清单 ---------- */
.check-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.check-item{
  display:flex;
  gap:14px;
  padding:20px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--elev-1);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:rgba(20,227,198,.35);transform:translateY(-3px);}
.check-item i{color:var(--accent);font-size:16px;margin-top:5px;flex:0 0 auto;}
.check-item p{font-size:15px;color:var(--text-2);}
.check-item strong{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#FFC24D;}
.faq-item summary .faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  border:1px solid var(--line);
  color:var(--accent);
  font-size:13px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:rgba(20,227,198,.12);}
.faq-body{
  padding:0 4px 24px 0;
  border-left:3px solid var(--brand);
  padding-left:18px;
  background:var(--surface-2);
  border-radius:0 12px 12px 0;
  margin-bottom:18px;
}
.faq-body p{color:var(--text-2);font-size:15px;padding:14px 18px 0 0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-panel);
  border:1px solid rgba(255,107,26,.28);
  background:
    linear-gradient(135deg,rgba(255,59,92,.16),rgba(255,211,78,.12)),
    var(--surface);
  padding:44px;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:36px;
  align-items:center;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-80px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,26,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{color:var(--text-2);font-size:15px;}
.cta-points{display:grid;gap:12px;margin:22px 0 0;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.cta-points i{color:var(--accent);margin-top:6px;font-size:13px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;}
.cta-actions .meta{font-size:13px;color:var(--text-3);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line-soft);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--text-3);}
.footer-col a{color:var(--text-2);font-size:14px;display:inline-block;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .point-grid{gap:20px;}
  .check-list{gap:14px;}
}
@media (max-width:900px){
  :root{--section-y:64px;}
  .container{padding:0 20px;}
  .nav-toggle{display:inline-flex;}
  .nav-right .btn-primary{display:none;}
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:12px;
    background:#111823;
    border:1px solid var(--line-soft);
    border-radius:20px;
    box-shadow:var(--elev-2);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{
    height:52px;
    display:flex;
    align-items:center;
    padding:0 16px;
    border-radius:12px;
    font-size:16px;
  }
  .nav-links a.is-active{box-shadow:inset 3px 0 0 var(--brand);color:var(--text);}
  .nav-cta{display:flex;margin-top:10px;}
  .nav-cta .btn{width:100%;}
  .page-hero{margin-top:-72px;padding:140px 0 64px;}
  .point-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:0;}
  .steps::before{
    top:8px;bottom:8px;left:21px;right:auto;
    width:2px;height:auto;
    background:linear-gradient(180deg,rgba(255,107,26,.55),rgba(20,227,198,.45));
  }
  .step{text-align:left;padding:0 0 28px 68px;}
  .step-head{position:absolute;left:0;top:0;margin:0;}
  .check-list{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .matrix-table thead{display:none;}
  .matrix-table,.matrix-table tbody,.matrix-table tr,.matrix-table td{display:block;width:100%;}
  .matrix-wrap{border:none;background:transparent;box-shadow:none;border-radius:0;}
  .matrix-table tr{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:6px 0;
    margin-bottom:16px;
  }
  .matrix-table td{border-bottom:none;padding:10px 18px;}
  .matrix-table td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    color:var(--text-3);
    margin-bottom:4px;
  }
  .matrix-table td:first-child{
    font-size:17px;
    padding-bottom:14px;
    border-bottom:1px solid var(--line);
    margin-bottom:6px;
  }
  .matrix-table td:first-child::before{display:none;}
  .matrix-table td.is-featured{background:rgba(255,107,26,.05);}
}
@media (max-width:600px){
  :root{--section-y:48px;}
  .container{padding:0 16px;}
  body{font-size:16px;}
  h1{font-size:28px;}
  .brand-name{font-size:16px;}
  .nav-shell{height:58px;padding:0 10px 0 16px;}
  .nav-links a{font-size:15px;}
  .btn{width:100%;}
  .nav-toggle{width:40px;height:40px;}
  .nav-right{gap:8px;}
  .page-hero{padding:126px 0 52px;min-height:320px;}
  .point-card{padding:22px;}
  .cta-band{padding:26px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .wide-figure img{aspect-ratio:16/9;}
  .faq-item summary{font-size:16px;}
}