/* roulang page: index */
:root{
  --bg-base:#080C1A;
  --bg-layer:#0E1428;
  --bg-deep:#05070F;
  --primary:#2FD8D0;
  --primary-2:#6E56F8;
  --accent:#FFB020;
  --text-1:#F2F5FF;
  --text-2:#A8B2D1;
  --text-3:#6C7699;
  --line:rgba(255,255,255,.10);
  --surface:#FFFFFF;
  --surface-2:#F6F8FD;
  --line-light:#E6E9F2;
  --text-dark:#0E1428;
  --text-dark-2:#4A5578;
  --ok:#35D07F;
  --warn:#FF6B6B;
  --grad:linear-gradient(135deg,#2FD8D0 0%,#6E56F8 100%);
  --r-card:18px;
  --r-big:24px;
  --r-btn:10px;
  --r-img:14px;
  --sh-dark:0 18px 40px rgba(3,6,18,.45);
  --sh-light:0 10px 30px rgba(16,24,48,.07);
  --sh-glow:0 0 0 1px rgba(47,216,208,.5),0 8px 24px rgba(47,216,208,.25);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"DIN Alternate","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--font-cn);letter-spacing:-.01em;color:inherit;font-weight:700;}
h1{font-size:46px;line-height:1.2;}
h2{font-size:34px;line-height:1.3;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x{display:grid;margin:0;gap:24px;flex-wrap:initial;}
.grid-x.g-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-x.g-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-x.g-faq{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;}
.grid-x.g-cta{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;}
.grid-x.g-case{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;}
.grid-x>.cell{padding:0;min-width:0;}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line-light);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 28px rgba(16,24,48,.10);}
.head-inner{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:30px;height:30px;flex:0 0 30px;}
.brand-name{font-size:18px;font-weight:700;color:var(--text-dark);letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-item{
  position:relative;display:inline-block;padding:22px 12px;
  font-size:15px;color:var(--text-dark-2);
}
.nav-item::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-item:hover{color:var(--text-dark);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--text-dark);}
.nav-item.is-active::after{transform:scaleX(1);}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:38px;padding:0 14px;
  background:var(--surface-2);border:1px solid var(--line-light);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:15px;height:15px;stroke:var(--text-3);flex:0 0 15px;}
.nav-search input{
  width:100%;border:0;background:transparent;font-size:13px;color:var(--text-dark);outline:none;
}
.nav-search input::placeholder{color:var(--text-3);font-size:13px;}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,208,.15);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line-light);border-radius:10px;
  background:var(--surface);cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text-dark);border-radius:2px;transition:.2s;}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:var(--sh-glow);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,216,208,.55),0 12px 32px rgba(47,216,208,.32);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 4px rgba(47,216,208,.55);}
.btn-primary.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text-1);
  font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--primary);color:var(--text-1);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.btn-text svg{width:16px;height:16px;stroke:var(--primary);transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;color:var(--primary);background:rgba(47,216,208,.12);
  border:1px solid rgba(47,216,208,.22);white-space:nowrap;
}
.badge.purple{color:#B9AEFF;background:rgba(110,86,248,.16);border-color:rgba(110,86,248,.3);}
.badge.amber{color:var(--accent);background:rgba(255,176,32,.13);border-color:rgba(255,176,32,.26);}

/* ---------- 卡片 ---------- */
.glass-card{
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-dark);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:24px;
  transition:transform .25s ease,border-color .25s ease;
}
.glass-card:hover{transform:translateY(-3px);border-color:rgba(47,216,208,.35);}
.card-light{
  background:var(--surface);border:1px solid var(--line-light);border-radius:var(--r-card);
  box-shadow:var(--sh-light);padding:24px;transition:transform .2s ease,box-shadow .2s ease;
}
.card-light:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(16,24,48,.12);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--bg-base);
  padding:72px 0 96px;border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;top:-140px;left:-120px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(47,216,208,.18) 0%,rgba(47,216,208,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-180px;right:-140px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(110,86,248,.20) 0%,rgba(110,86,248,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px;align-items:center;min-height:560px;}
.hero-copy{max-width:560px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:6px;font-size:12px;letter-spacing:.02em;
  color:var(--primary);background:rgba(47,216,208,.10);border:1px solid rgba(47,216,208,.24);
}
.hero h1{margin:20px 0 18px;color:var(--text-1);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:480px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.metric{min-width:96px;}
.metric .val{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--text-1);line-height:1.2;}
.metric .val.c1{color:var(--primary);}
.metric .val.c2{color:var(--accent);}
.metric .lbl{font-size:13px;color:var(--text-3);margin-top:4px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-big);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-dark);aspect-ratio:16/10;background:var(--bg-layer);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92;}
.hero-figure:hover img{transform:scale(1.03);}
.status-card{
  position:absolute;right:-8px;bottom:-22px;width:266px;padding:18px 20px;
  border-radius:16px;background:rgba(14,20,40,.82);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-dark);
}
.status-card .s-title{font-size:13px;color:var(--text-3);margin-bottom:10px;letter-spacing:.02em;}
.status-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);padding:5px 0;}
.status-row .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(53,208,127,.18);flex:0 0 7px;}
.status-row .dot.pulse{background:var(--primary);box-shadow:0 0 0 3px rgba(47,216,208,.18);animation:pulse 2s infinite;}
.status-row .k{color:var(--text-3);}
.status-row .v{margin-left:auto;color:var(--text-1);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:12px;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,216,208,.5);}70%{box-shadow:0 0 0 8px rgba(47,216,208,0);}100%{box-shadow:0 0 0 0 rgba(47,216,208,0);}}

/* ---------- 信任条 ---------- */
.trust{background:var(--bg-base);padding:0 0 8px;}
.trust-inner{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between;
  min-height:64px;padding:14px 24px;border-radius:14px;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.trust-inner p{font-size:14px;color:var(--text-2);}
.trust-logos{display:flex;flex-wrap:wrap;gap:26px;}
.trust-logos span{
  font-size:13px;letter-spacing:.04em;color:var(--text-3);
  opacity:.72;filter:grayscale(1);white-space:nowrap;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--bg-layer);}
.sec-head{margin-bottom:44px;}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.sec-head h2{color:var(--text-1);display:flex;align-items:center;gap:12px;}
.sec-head h2::before{content:"";width:3px;height:26px;border-radius:2px;background:var(--grad);display:inline-block;}
.sec-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:640px;}

/* ---------- 三步上手 ---------- */
.steps-grid{display:grid;grid-template-columns:76px minmax(0,1fr);gap:24px;}
.steps-nums{display:flex;flex-direction:column;gap:24px;}
.steps-nums .spacer{height:0;}
.step-num{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(47,216,208,.45);color:var(--primary);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:16px;font-weight:700;
  background:rgba(47,216,208,.06);
}
.steps-cards{display:grid;gap:24px;}
.step-card{padding:26px;}
.step-card.offset{margin-top:28px;}
.step-card h3{color:var(--text-1);margin-bottom:10px;}
.step-card p{font-size:14px;line-height:1.75;color:var(--text-2);}
.step-card .btn-text{margin-top:16px;}
.step-ico{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(110,86,248,.14);border:1px solid rgba(110,86,248,.28);
}
.step-ico svg{width:18px;height:18px;stroke:#B9AEFF;}

/* ---------- CMS 列表卡 ---------- */
.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.post-thumb{display:block;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;aspect-ratio:16/9;background:var(--bg-layer);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{font-size:18px;line-height:1.5;color:var(--text-1);margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--text-1);}
.post-body h3 a:hover{color:var(--primary);}
.post-body p{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);}
.post-time{font-size:13px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.post-foot svg{width:16px;height:16px;stroke:var(--primary);transition:transform .2s ease;}
.post-card:hover .post-foot svg{transform:translateX(3px);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line);text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--primary);fill:none;stroke-width:1.4;}
.empty-state p{font-size:14px;color:var(--text-2);}

/* ---------- 案例 ---------- */
.case-main{padding:0;overflow:hidden;}
.case-main img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card) var(--r-card) 0 0;}
.case-main .case-body{padding:24px;}
.case-stats{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:16px;}
.case-stats .st{flex:1 1 90px;}
.case-stats .st b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;color:var(--primary);font-weight:700;line-height:1.3;}
.case-stats .st span{font-size:13px;color:var(--text-3);}
.case-quote{font-size:14px;line-height:1.8;color:var(--text-2);border-left:3px solid rgba(47,216,208,.5);padding-left:14px;}
.case-list{display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.04);}
.case-item{padding:22px 24px;border-bottom:1px solid var(--line);transition:background .2s ease;}
.case-item:last-child{border-bottom:0;}
.case-item:hover{background:rgba(255,255,255,.04);}
.case-item .ci-top{display:flex;align-items:center;gap:12px;justify-content:space-between;}
.case-item h4{font-size:15px;color:var(--text-1);}
.case-item p{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-side h2{color:var(--text-1);display:block;}
.faq-side p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);}
.faq-side .btn-text{margin-top:18px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:18px 4px;font-size:17px;font-weight:600;color:var(--text-1);
  transition:color .2s ease,padding .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:16px;font-weight:400;color:var(--primary);
  border:1px solid rgba(47,216,208,.35);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item[open] summary{padding-left:12px;}
.faq-item .faq-answer{padding:0 12px 20px;font-size:15px;line-height:1.8;color:var(--text-2);margin-top:-4px;}
.faq-item[open]{
  background:rgba(255,255,255,.04);border-radius:12px;border-left:3px solid var(--primary);
  padding-left:10px;margin:8px 0;
}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--bg-deep);padding:84px 0;overflow:hidden;border-top:1px solid var(--line);}
.cta-band::before{
  content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);
  width:740px;height:520px;background:radial-gradient(circle,rgba(47,216,208,.16) 0%,rgba(47,216,208,0) 70%);
  pointer-events:none;
}
.cta-shell{
  position:relative;z-index:2;border-radius:var(--r-big);padding:44px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--sh-dark);
}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.form-field label .req{color:var(--accent);margin-left:4px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);
  font-size:14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.form-field select{background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-field select option{background:#0E1428;color:var(--text-1);}
.form-field textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-3);}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,208,.15);}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px;}
.trust-points{display:flex;flex-direction:column;gap:20px;}
.trust-point{display:flex;gap:14px;align-items:flex-start;}
.trust-point .tp-ico{
  flex:0 0 36px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(47,216,208,.10);border:1px solid rgba(47,216,208,.25);
}
.trust-point .tp-ico svg{width:18px;height:18px;stroke:var(--primary);}
.trust-point h4{font-size:15px;color:var(--text-1);margin-bottom:4px;}
.trust-point p{font-size:14px;color:var(--text-2);line-height:1.7;}
.compliance{margin-top:22px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;color:var(--text-2);}
.foot-grid{display:grid;grid-template-columns:4fr 3fr 3fr 2fr;gap:32px;}
.foot-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-name{color:var(--text-1);font-size:17px;}
.site-footer h4{font-size:15px;color:var(--text-1);margin-bottom:16px;font-weight:600;}
.site-footer p{font-size:14px;line-height:1.8;color:var(--text-3);}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--primary);}
.foot-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(5,7,15,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;width:82%;max-width:360px;height:100%;
  background:rgba(14,20,40,.94);border-left:1px solid var(--line);
  display:flex;flex-direction:column;padding:22px 22px 26px;
  transform:translateX(100%);transition:transform .3s ease;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-head .brand-name{color:var(--text-1);font-size:17px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.06);color:var(--text-1);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{
  display:flex;align-items:center;height:56px;font-size:18px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active,.drawer-link:hover{color:var(--primary);}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:40px;}
  .head-inner{gap:18px;}
  .nav-search{width:190px;}
}
@media (max-width:991px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .grid-x.g-faq,.grid-x.g-cta,.grid-x.g-case{grid-template-columns:minmax(0,1fr);gap:28px;}
  .grid-x.g-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero{padding:56px 0 76px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;min-height:auto;}
  .hero-copy{max-width:none;}
  .hero h1{font-size:34px;}
  .status-card{position:static;width:100%;margin-top:16px;}
  .section{padding:72px 0;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-shell{padding:32px;}
}
@media (max-width:767px){
  .grid-container,.wrap{padding-left:16px;padding-right:16px;}
  .grid-x{gap:16px;}
  .grid-x.g-2,.grid-x.g-3{grid-template-columns:minmax(0,1fr);}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-metrics{gap:22px;margin-top:32px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .glass-card,.card-light{padding:20px;}
  .steps-grid{grid-template-columns:52px minmax(0,1fr);gap:14px;}
  .steps-cards{gap:16px;}
  .step-card.offset{margin-top:0;}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .cta-shell{padding:24px;}
  .trust-inner{padding:14px 18px;}
  .trust-logos{gap:16px;}
}
@media print{
  .site-header,.cta-band,.drawer,.nav-toggle{display:none!important;}
  body{background:#fff;color:#000;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg-base:#080C1A;
  --bg-layer:#0E1428;
  --bg-deep:#05070F;
  --primary:#2FD8D0;
  --primary-2:#6E56F8;
  --accent:#FFB020;
  --text-1:#F2F5FF;
  --text-2:#A8B2D1;
  --text-3:#6C7699;
  --line:rgba(255,255,255,.10);
  --surface:#FFFFFF;
  --surface-2:#F6F8FD;
  --line-light:#E6E9F2;
  --text-dark:#0E1428;
  --text-dark-2:#4A5578;
  --ok:#35D07F;
  --warn:#FF6B6B;

  --r-card:18px;
  --r-lg:24px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:14px;

  --shadow-dark:0 18px 40px rgba(3,6,18,.45);
  --shadow-light:0 10px 30px rgba(16,24,48,.07);
  --glow-btn:0 0 0 1px rgba(47,216,208,.5), 0 8px 24px rgba(47,216,208,.25);
  --grad-main:linear-gradient(135deg,#2FD8D0 0%,#6E56F8 100%);

  --font-zh:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","DIN Alternate","SFMono-Regular",Consolas,monospace;

  --sec-pad:96px;
  --header-h:68px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;background:transparent;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:#5de7e0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:rgba(47,216,208,.28);color:#fff;}

/* ============ 容器与通用 ============ */
.grid-container{
  max-width:1200px !important;
  width:100%;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.container-narrow{max-width:900px;}
.section{padding:var(--sec-pad) 0;position:relative;}
.section-alt{background:var(--bg-layer);}
.section-deep{background:var(--bg-deep);}
.sec-head{margin-bottom:40px;}
.sec-head h2{
  font-size:34px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-1);
}
.sec-head h2::before{
  content:"";
  display:inline-block;
  width:4px;
  height:24px;
  border-radius:2px;
  background:var(--grad-main);
  margin-right:14px;
  vertical-align:-3px;
}
.sec-head p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:720px;}
.sec-head.center{text-align:center;}
.sec-head.center h2::before{display:none;}
.sec-head.center p{margin-left:auto;margin-right:auto;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 按钮 ============ */
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  background:var(--grad-main);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  box-shadow:var(--glow-btn);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 12px 32px rgba(47,216,208,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 4px rgba(47,216,208,.35);}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.6;pointer-events:none;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  color:var(--text-1);
  font-size:15px;
  font-weight:600;
  background:transparent;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--text-1);background:rgba(255,255,255,.08);border-color:rgba(47,216,208,.6);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.btn-text .arrow{transition:transform .2s ease;display:inline-block;}
.btn-text:hover .arrow{transform:translateX(3px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(47,216,208,.12);
  color:var(--primary);
  border:1px solid rgba(47,216,208,.22);
}
.badge-purple{background:rgba(110,86,248,.14);color:#a99bff;border-color:rgba(110,86,248,.28);}
.badge-amber{background:rgba(255,176,32,.13);color:var(--accent);border-color:rgba(255,176,32,.26);}
.badge-ok{background:rgba(53,208,127,.13);color:var(--ok);border-color:rgba(53,208,127,.26);}

/* ============ 卡片 ============ */
.glass-card{
  background:rgba(255,255,255,.055);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-dark);
  padding:24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card:hover{transform:translateY(-3px);border-color:rgba(47,216,208,.35);}
.card-light{
  background:var(--surface);
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-light);
  padding:24px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card-light:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(16,24,48,.12);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:var(--surface);
  border-bottom:1px solid var(--line-light);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 28px rgba(16,24,48,.10);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:var(--header-h);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{width:32px;height:32px;flex:0 0 32px;}
.brand-name{
  font-size:18px;
  font-weight:700;
  color:var(--text-dark);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover .brand-name{color:var(--text-dark);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:var(--header-h);
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-dark-2);
  transition:color .2s ease;
}
.nav-item::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-item:hover{color:var(--text-dark);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--text-dark);font-weight:600;}
.nav-item.is-active::after{transform:scaleX(1);}
.header-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  position:relative;
  width:230px;
}
.nav-search input{
  width:100%;
  height:38px;
  border-radius:999px;
  border:1px solid transparent;
  background:var(--surface-2);
  padding:0 38px 0 16px;
  font-size:13px;
  color:var(--text-dark);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:#98A2BF;font-size:13px;}
.nav-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,216,208,.15);
}
.nav-search .search-icon{
  position:absolute;
  right:13px;
  top:50%;
  transform:translateY(-50%);
  width:16px;
  height:16px;
  stroke:#98A2BF;
  fill:none;
  stroke-width:2;
}
.btn-nav{height:36px;padding:0 18px;font-size:14px;border-radius:var(--r-btn);}
.nav-toggle{
  display:none;
  width:42px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--line-light);
  background:var(--surface-2);
  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(--text-dark);transition:transform .25s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(5,7,15,.6);
  backdrop-filter:blur(2px);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:300;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(86vw,360px);
  z-index:310;
  display:flex;
  flex-direction:column;
  padding:22px 20px 0;
  background:rgba(10,15,32,.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-head .brand-name{color:var(--text-1);font-size:16px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);color:var(--text-2);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;}
.drawer-close:hover{color:var(--text-1);border-color:rgba(47,216,208,.45);}
.drawer-nav{display:flex;flex-direction:column;padding-top:10px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:18px;
  font-weight:500;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);}
.drawer-foot{margin-top:auto;padding:20px 0 26px;position:sticky;bottom:0;background:linear-gradient(180deg,rgba(10,15,32,0) 0%,rgba(10,15,32,.96) 32%);}
.drawer-foot .btn-primary{width:100%;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  padding:34px 0 58px;
  min-height:360px;
  display:flex;
  align-items:center;
  background:var(--bg-base);
  border-top:1px solid var(--line-light);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  opacity:.30;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(8,12,26,.96) 0%,rgba(8,12,26,.82) 46%,rgba(8,12,26,.42) 100%);
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2;width:100%;}
.hero-glow{
  position:absolute;
  width:620px;height:620px;
  right:-160px;top:-280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,216,208,.22) 0%,rgba(47,216,208,0) 68%);
  pointer-events:none;
  z-index:1;
}
.hero-glow.glow-2{
  right:auto;left:-220px;top:auto;bottom:-360px;
  background:radial-gradient(circle,rgba(110,86,248,.20) 0%,rgba(110,86,248,0) 68%);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb li[aria-current] {color:var(--text-1);}
.page-hero h1{
  font-size:34px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-1);
  margin:16px 0 14px;
  max-width:820px;
}
.page-hero .hero-sub{font-size:15px;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.page-hero .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:6px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ============ 主体流程布局 ============ */
.flow-layout{padding-top:8px;}
.anchor-col{padding-bottom:36px;}
.anchor-inner{position:sticky;top:calc(var(--header-h) + 24px);}
.anchor-title{
  display:block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text-3);
  margin-bottom:14px;
  font-weight:600;
}
.anchor-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.anchor-link{
  position:relative;
  display:block;
  padding:11px 0 11px 18px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid transparent;
  margin-left:-1px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.anchor-link .idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text-3);margin-right:8px;font-size:13px;}
.anchor-link:hover{color:var(--text-1);}
.anchor-link.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(47,216,208,.05);}
.anchor-link.is-current .idx{color:var(--primary);}

/* ============ 步骤卡 ============ */
.step-list{display:flex;flex-direction:column;gap:24px;}
.step-card{position:relative;padding:28px 26px 26px;}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:12px;
  border:1px solid rgba(47,216,208,.42);
  background:rgba(47,216,208,.07);
  color:var(--primary);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.step-card h3{
  font-size:22px;
  line-height:1.4;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:10px;
}
.step-card p{font-size:15px;line-height:1.85;color:var(--text-2);}
.step-media{margin-top:20px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.step-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.step-card:hover .step-media img{transform:scale(1.03);}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.step-points{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.step-points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--text-2);
}
.step-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--primary);
  opacity:.85;
}

/* ============ 提示框 ============ */
.notice-list{display:flex;flex-direction:column;gap:18px;}
.notice{
  display:flex;
  gap:14px;
  padding:16px 20px;
  border-radius:12px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-left:3px solid var(--primary);
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
}
.notice .n-icon{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:5px;
  border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  background:rgba(47,216,208,.14);
  color:var(--primary);
  font-family:var(--font-num);
}
.notice strong{display:block;color:var(--text-1);font-weight:600;font-size:14px;margin-bottom:2px;}
.notice-warn{border-left-color:var(--accent);}
.notice-warn .n-icon{background:rgba(255,176,32,.15);color:var(--accent);}
.notice-tip{border-left-color:var(--primary-2);}
.notice-tip .n-icon{background:rgba(110,86,248,.16);color:#a99bff;}

/* ============ 数据条 ============ */
.metric-row{display:flex;flex-wrap:wrap;gap:32px;margin-top:26px;}
.metric{min-width:120px;}
.metric .m-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:-.01em;
  line-height:1.2;
}
.metric .m-label{font-size:13px;color:var(--text-3);margin-top:4px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:2px;}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--text-1);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item .fq-icon{
  flex:0 0 24px;
  width:24px;height:24px;
  position:relative;
  border-radius:50%;
  border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease;
}
.faq-item .fq-icon::before,
.faq-item .fq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--text-2);
  transform:translate(-50%,-50%);
  transition:background-color .3s ease;
}
.faq-item .fq-icon::before{width:10px;height:1.5px;}
.faq-item .fq-icon::after{width:1.5px;height:10px;}
.faq-item[open] .fq-icon{transform:rotate(180deg);border-color:rgba(47,216,208,.5);}
.faq-item[open] .fq-icon::before,
.faq-item[open] .fq-icon::after{background:var(--primary);}
.faq-item[open] summary{color:var(--primary);}
.faq-answer{
  padding:0 4px 22px 16px;
  border-left:3px solid var(--primary);
  margin:0 0 4px 0;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:60px 0;
  overflow:hidden;
}
.cta-band .cta-glow{
  position:absolute;
  width:520px;height:520px;
  left:50%;top:-260px;
  transform:translateX(-50%);
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,216,208,.20) 0%,rgba(47,216,208,0) 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-inner h2{font-size:26px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;}
.cta-inner p{font-size:14px;color:var(--text-2);margin-top:8px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:60px 0 26px;
  color:var(--text-2);
}
.foot-grid{
  display:grid;
  grid-template-columns:4fr 3fr 3fr 2fr;
  gap:32px;
  padding-bottom:34px;
  border-bottom:1px solid var(--line);
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-name{color:var(--text-1);font-size:17px;font-weight:700;}
.site-footer p{font-size:13px;line-height:1.8;color:var(--text-3);max-width:320px;}
.site-footer h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:14px;letter-spacing:.01em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:13px;color:var(--text-3);}
.foot-links a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:20px;
  font-size:13px;
  color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--primary);}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--sec-pad:72px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .nav-search{width:190px;}
  .nav-item{padding:0 11px;font-size:14px;}
  .page-hero h1{font-size:30px;}
  .sec-head h2{font-size:30px;}
}
@media screen and (max-width:991px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .page-hero{min-height:320px;padding:26px 0 46px;}
  .page-hero h1{font-size:28px;}
  .anchor-col{padding-bottom:24px;}
  .anchor-inner{position:static;}
  .anchor-title{display:none;}
  .anchor-nav{
    flex-direction:row;
    gap:10px;
    overflow-x:auto;
    border-left:0;
    padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .anchor-nav::-webkit-scrollbar{display:none;}
  .anchor-link{
    flex:0 0 auto;
    padding:9px 16px;
    border:1px solid var(--line);
    border-radius:999px;
    margin-left:0;
    font-size:13px;
    white-space:nowrap;
    background:rgba(255,255,255,.04);
  }
  .anchor-link.is-current{border-color:rgba(47,216,208,.55);background:rgba(47,216,208,.12);color:var(--primary);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{align-items:flex-start;}
}
@media screen and (max-width:767px){
  :root{--sec-pad:48px;}
  body{font-size:15px;line-height:1.8;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-inner{gap:12px;}
  .brand-name{font-size:16px;}
  .brand-mark{width:28px;height:28px;flex-basis:28px;}
  .btn-nav{display:none;}
  .page-hero{min-height:auto;padding:22px 0 40px;}
  .page-hero h1{font-size:24px;margin:12px 0 12px;}
  .page-hero .hero-sub{font-size:14px;margin-bottom:20px;}
  .sec-head h2{font-size:24px;}
  .sec-head h2::before{height:20px;width:3px;margin-right:10px;}
  .glass-card,.card-light{padding:20px;}
  .step-card{padding:22px 20px;}
  .step-card h3{font-size:19px;}
  .faq-item summary{font-size:16px;padding:16px 2px;}
  .faq-answer{padding-left:14px;font-size:14px;}
  .cta-inner h2{font-size:21px;}
  .metric-row{gap:20px;}
  .metric .m-num{font-size:24px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
}

/* ============ 打印 ============ */
@media print{
  .site-header,.nav-drawer,.drawer-mask,.cta-band,.hero-glow,.nav-toggle{display:none !important;}
  body{background:#fff;color:#000;}
  .glass-card,.card-light{border:1px solid #ccc;box-shadow:none;background:#fff;}
  .faq-answer{color:#333;}
}

/* roulang page: article */
:root{
  --bg-base:#080C1A;
  --bg-layer:#0E1428;
  --bg-deep:#05070F;
  --primary:#2FD8D0;
  --primary-2:#6E56F8;
  --accent:#FFB020;
  --text-1:#F2F5FF;
  --text-2:#A8B2D1;
  --text-3:#6C7699;
  --line:rgba(255,255,255,.10);
  --surface:#FFFFFF;
  --surface-2:#F6F8FD;
  --line-light:#E6E9F2;
  --text-dark:#0E1428;
  --text-dark-2:#4A5578;
  --ok:#35D07F;
  --warn:#FF6B6B;
  --grad:linear-gradient(135deg,#2FD8D0 0%,#6E56F8 100%);
  --radius-card:18px;
  --radius-lg:24px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-dark:0 18px 40px rgba(3,6,18,.45);
  --shadow-light:0 10px 30px rgba(16,24,48,.07);
  --glow:0 0 0 1px rgba(47,216,208,.5), 0 8px 24px rgba(47,216,208,.25);
  --pad-section:96px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"DIN Alternate","SFMono-Regular",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:#7BF1EA;}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;color:var(--text-1);letter-spacing:-.01em;font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;}
.num,.tnum{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.section{padding-top:var(--pad-section);padding-bottom:var(--pad-section);}
.section-alt{background:var(--bg-layer);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-title{font-size:34px;line-height:1.3;font-weight:700;}
.sec-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);white-space:nowrap;}
.sec-link svg{width:16px;height:16px;transition:transform .2s ease;}
.sec-link:hover svg{transform:translateX(3px);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line-light);
  box-shadow:0 8px 20px rgba(16,24,48,.05);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 28px rgba(16,24,48,.10);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:32px;height:32px;flex:0 0 auto;}
.brand-name{font-size:18px;font-weight:700;color:var(--text-dark);white-space:nowrap;letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-item{position:relative;font-size:15px;color:var(--text-dark-2);padding:4px 2px;line-height:1.6;transition:color .2s ease;}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-item:hover{color:var(--text-dark);}
.nav-item:hover::after,.nav-item.is-active::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--text-dark);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search input{
  width:230px;height:38px;border-radius:999px;border:1px solid transparent;
  background:var(--surface-2);color:var(--text-dark);padding:0 18px;font-size:13px;
  outline:none;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:#9AA4C0;}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,216,208,.15);background:#fff;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-light);
  background:var(--surface-2);position:relative;align-items:center;justify-content:center;
}
.nav-toggle i,.nav-toggle i::before,.nav-toggle i::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text-dark);position:absolute;left:50%;
  transform:translateX(-50%);content:"";transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle i{top:50%;margin-top:-1px;}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}

/* ===== 按钮 ===== */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:0;border-radius:var(--radius-btn);
  background-image:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,216,208,.6),0 12px 32px rgba(47,216,208,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 2px rgba(47,216,208,.85);}
.btn-primary.is-loading{opacity:.6;pointer-events:none;}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--text-1);
  font-size:15px;font-weight:600;transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--primary);color:var(--text-1);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,216,208,.12);color:var(--primary);
}
.badge-purple{background:rgba(110,86,248,.16);color:#A99BFF;}
.badge-accent{background:rgba(255,176,32,.14);color:var(--accent);}

/* ===== 移动抽屉 ===== */
.mobile-drawer{position:fixed;inset:0;z-index:120;display:none;}
.mobile-drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(5,7,15,.72);backdrop-filter:blur(6px);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:rgba(14,20,40,.96);backdrop-filter:blur(18px);
  border-left:1px solid var(--line);padding:24px 20px 110px;overflow-y:auto;
  animation:drawerIn .28s ease both;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-1);font-size:18px;line-height:1;}
.drawer-item{display:flex;align-items:center;height:56px;font-size:18px;color:var(--text-1);border-bottom:1px solid var(--line);}
.drawer-item.is-active{color:var(--primary);}
.drawer-cta{position:absolute;left:20px;right:20px;bottom:24px;}
.drawer-cta .btn-primary{width:100%;}

/* ===== 面包屑 ===== */
.crumbs{padding-top:20px;}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;font-size:13px;color:var(--text-3);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--text-3);opacity:.6;}
.crumbs a{color:var(--primary);}
.crumbs a:hover{color:#7BF1EA;}
.crumbs li[aria-current="page"]{color:var(--text-1);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章头部 ===== */
.page-dark{border-top:1px solid var(--line-light);}
.article-hero{
  position:relative;
  padding-bottom:48px;
  background:
    radial-gradient(620px 260px at 10% 0%, rgba(47,216,208,.13), transparent 65%),
    radial-gradient(520px 240px at 90% 8%, rgba(110,86,248,.15), transparent 65%),
    var(--bg-base);
}
.article-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:24px;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,15,.85),rgba(5,7,15,0));
}
.article-head{position:relative;padding-top:26px;max-width:860px;}
.article-head h1{
  margin-top:18px;font-size:36px;line-height:1.35;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-3);}
.meta-item svg{width:15px;height:15px;stroke:var(--text-3);fill:none;stroke-width:1.6;}
.meta-item .num{color:var(--text-2);}
.share-group{display:flex;align-items:center;gap:10px;margin-left:auto;}
.share-btn{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.055);border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.share-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;}
.share-btn:hover{border-color:rgba(47,216,208,.45);color:var(--primary);transform:translateY(-2px);}

/* ===== 正文双栏 ===== */
.article-page{padding-bottom:96px;background:var(--bg-base);}
.article-body{padding-top:48px;align-items:flex-start;}
.article-main{padding-right:28px;}
.article-side{padding-left:28px;position:sticky;top:92px;align-self:flex-start;}
.article-content{max-width:780px;min-height:60vh;font-size:16px;line-height:1.9;color:var(--text-2);}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;font-size:22px;font-weight:600;color:var(--text-1);
  line-height:1.4;margin:2.2em 0 .9em;padding-left:12px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--grad);
}
.article-content h3{font-size:18px;font-weight:600;color:var(--text-1);margin:1.8em 0 .7em;}
.article-content h4{font-size:16px;font-weight:600;color:var(--text-1);margin:1.5em 0 .6em;}
.article-content blockquote{
  margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:rgba(255,255,255,.04);border-radius:12px;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius-img);margin:1.5em auto;}
.article-content figure{margin:1.5em 0;}
.article-content figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-content ul,.article-content ol{padding-left:20px;margin:0 0 1.2em;}
.article-content li{margin-bottom:.5em;}
.article-content ul li::marker{color:var(--primary);}
.article-content ol li::marker{color:var(--primary);font-family:var(--font-num);}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:#7BF1EA;}
.article-content strong{color:var(--text-1);font-weight:600;}
.article-content code{
  background:rgba(255,255,255,.08);border-radius:6px;padding:2px 6px;font-size:.9em;
  font-family:var(--font-num);color:#9FE9E4;
}
.article-content pre{
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow:auto;margin:1.4em 0;
}
.article-content pre code{background:none;padding:0;color:var(--text-2);}
.article-content table{width:100%;border-collapse:collapse;font-size:14px;margin:1.4em 0;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-content th{background:rgba(255,255,255,.05);color:var(--text-1);font-weight:600;}
.article-content tbody tr:nth-child(odd){background:rgba(255,255,255,.03);}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

/* ===== 空态 ===== */
.empty-state{
  background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:56px 32px;text-align:center;backdrop-filter:blur(14px);box-shadow:var(--shadow-dark);
  min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
}
.empty-state svg{width:48px;height:48px;stroke:var(--primary);fill:none;stroke-width:1.4;}
.empty-state p{font-size:14px;color:var(--text-2);}

/* ===== 侧栏 ===== */
.side-card{
  background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;backdrop-filter:blur(14px);box-shadow:var(--shadow-dark);
}
.side-card+.side-card{margin-top:24px;}
.side-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--grad);}
.toc{list-style:none;padding:0;}
.toc li{border-left:2px solid transparent;padding-left:12px;margin-bottom:10px;transition:border-color .2s ease;}
.toc li:last-child{margin-bottom:0;}
.toc a{font-size:14px;color:var(--text-2);line-height:1.6;display:block;}
.toc li.is-current{border-left-color:var(--primary);}
.toc li.is-current a{color:var(--primary);}
.toc a:hover{color:var(--primary);}
.mini-card{display:flex;gap:12px;align-items:center;padding:10px 0;}
.mini-card+.mini-card{border-top:1px solid var(--line);}
.mini-card img{width:80px;height:60px;border-radius:10px;object-fit:cover;flex:0 0 80px;}
.mini-card h4{
  font-size:14px;font-weight:600;color:var(--text-1);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-card:hover h4{color:var(--primary);}
.side-cta{
  background:linear-gradient(160deg,rgba(47,216,208,.14),rgba(110,86,248,.14));
  border:1px solid rgba(47,216,208,.28);border-radius:var(--radius-card);
  padding:24px;margin-top:24px;backdrop-filter:blur(14px);
}
.side-cta h3{font-size:17px;font-weight:600;color:var(--text-1);}
.side-cta p{margin:10px 0 18px;font-size:13px;color:var(--text-2);line-height:1.75;}
.side-cta .btn-primary{width:100%;}

/* ===== 文末组件 ===== */
.article-foot{max-width:780px;margin-top:48px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding-top:24px;border-top:1px solid var(--line);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.post-nav-card{
  display:block;background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;transition:transform .2s ease,border-color .2s ease;
}
.post-nav-card:hover{transform:translateY(-2px);border-color:rgba(47,216,208,.35);}
.post-nav-card .k{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px;}
.post-nav-card .t{margin-top:8px;font-size:15px;font-weight:600;color:var(--text-1);line-height:1.6;}
.post-nav-card.is-next{text-align:right;}
.post-nav-card.is-next .k{justify-content:flex-end;}
.return-row{margin-top:24px;}

/* ===== 相关推荐 ===== */
.related{padding-bottom:96px;background:var(--bg-base);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.list-card{
  display:flex;flex-direction:column;height:100%;
  background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;backdrop-filter:blur(14px);box-shadow:var(--shadow-dark);
  transition:transform .25s ease,border-color .25s ease;
}
.list-card:hover{transform:translateY(-3px);border-color:rgba(47,216,208,.35);}
.list-card .thumb{margin:14px 14px 0;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:#0B1022;}
.list-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.list-card:hover .thumb img{transform:scale(1.03);}
.list-card .body{padding:16px 20px 22px;display:flex;flex-direction:column;flex:1;gap:10px;}
.list-card h3{
  font-size:18px;font-weight:600;color:var(--text-1);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-card .desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.list-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line);}
.list-card .foot time{font-size:13px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.list-card .foot svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.8;transition:transform .2s ease;}
.list-card:hover .foot svg{transform:translateX(3px);}

/* ===== CTA 带 ===== */
.cta-band{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;width:640px;height:640px;left:-180px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,216,208,.18),transparent 65%);pointer-events:none;
}
.cta-box{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px;backdrop-filter:blur(14px);box-shadow:var(--shadow-dark);
}
.cta-box h2{font-size:28px;line-height:1.35;}
.cta-box p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.cta-actions .btn-primary{width:100%;max-width:260px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:72px 0 28px;}
.foot-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,3fr) minmax(0,3fr) minmax(0,2fr);gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-name{font-size:17px;font-weight:700;color:var(--text-1);white-space:nowrap;}
.site-footer p{font-size:13px;line-height:1.75;color:var(--text-3);max-width:300px;}
.site-footer h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:13.5px;color:var(--text-2);}
.foot-links a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--primary);}

/* ===== 入场动效 ===== */
.reveal-up{opacity:0;transform:translateY(12px);}
.reveal-up.is-in{opacity:1;transform:translateY(0);transition:opacity .6s ease,transform .6s ease;}

/* ===== 断点 ===== */
@media (max-width:1199px){
  :root{--pad-section:72px;}
  .sec-title{font-size:30px;}
}
@media (max-width:991px){
  .nav-search,.main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{gap:16px;height:64px;}
  .nav-actions{margin-left:auto;}
  .article-main{padding-right:0;}
  .article-side{position:static;padding-left:0;margin-top:40px;}
  .article-body{padding-top:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{grid-template-columns:1fr;padding:32px;}
  .cta-actions{align-items:stretch;}
  .cta-actions .btn-primary{max-width:none;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .article-head h1{font-size:30px;}
}
@media (max-width:767px){
  :root{--pad-section:48px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .sec-title{font-size:24px;}
  .sec-head{margin-bottom:28px;}
  .article-head h1{font-size:24px;-webkit-line-clamp:3;}
  .meta-row{gap:12px;}
  .share-group{margin-left:0;width:100%;}
  .article-content h2{font-size:20px;}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-content th,.article-content td{white-space:nowrap;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.is-next{text-align:left;}
  .post-nav-card.is-next .k{justify-content:flex-start;}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .foot-bottom{flex-direction:column;}
  .cta-band{padding:48px 0;}
  .cta-box h2{font-size:22px;}
  .crumbs li[aria-current="page"]{max-width:220px;}
  .article-page{padding-bottom:64px;}
  .related{padding-bottom:64px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal-up{opacity:1;transform:none;}
}
@media print{
  .site-header,.mobile-drawer,.cta-band,.related,.site-footer,.share-group{display:none !important;}
  body{background:#fff;color:#111;}
  a{color:#111;}
}

/* roulang page: category2 */
:root{
  --bg-base:#080C1A;
  --bg-layer:#0E1428;
  --bg-deep:#05070F;
  --primary:#2FD8D0;
  --primary-2:#6E56F8;
  --accent:#FFB020;
  --text-1:#F2F5FF;
  --text-2:#A8B2D1;
  --text-3:#6C7699;
  --line:rgba(255,255,255,.10);
  --surface:#FFFFFF;
  --surface-2:#F6F8FD;
  --line-light:#E6E9F2;
  --text-dark:#0E1428;
  --text-dark-2:#4A5578;
  --ok:#35D07F;
  --warn:#FF6B6B;
  --grad:linear-gradient(135deg,#2FD8D0 0%,#6E56F8 100%);
  --r-card:18px;
  --r-lg:24px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-dark:0 18px 40px rgba(3,6,18,.45);
  --shadow-light:0 10px 30px rgba(16,24,48,.07);
  --glow:0 0 0 1px rgba(47,216,208,.5), 0 8px 24px rgba(47,216,208,.25);
  --sec-pad:96px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button,input{font-family:inherit;}
button{cursor:pointer;border:0;background:none;}
.num,
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line-light);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 28px rgba(16,24,48,.10);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-right:auto;}
.brand-mark{width:30px;height:30px;flex:0 0 auto;}
.brand-name{font-size:18px;font-weight:700;color:var(--text-dark);letter-spacing:-0.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;flex:0 0 auto;}
.nav-item{
  position:relative;
  font-size:15px;color:var(--text-dark-2);
  padding:6px 0;transition:color .2s ease;
}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-item:hover{color:var(--text-dark);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--text-dark);font-weight:600;}
.nav-item.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:38px;padding:0 14px;
  background:var(--surface-2);
  border:1px solid var(--line-light);
  border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search i{font-size:13px;color:var(--text-3);}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--text-dark);
}
.nav-search input::placeholder{color:#96A0BE;}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,216,208,.15);
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  font-size:15px;font-weight:600;color:#fff;letter-spacing:.01em;
  background:var(--grad);
  border-radius:var(--r-btn);
  box-shadow:var(--glow);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,216,208,.5),0 12px 32px rgba(47,216,208,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 4px rgba(47,216,208,.35);}
.btn-primary.is-compact{height:36px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  font-size:15px;font-weight:600;color:var(--text-1);
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-btn);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(47,216,208,.6);transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(3px);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;
  color:var(--text-dark);font-size:18px;
  border:1px solid var(--line-light);
  background:var(--surface-2);
}
.nav-drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(5,7,15,.72);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.nav-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(360px,86vw);
  background:rgba(12,18,38,.97);
  border-left:1px solid var(--line);
  padding:22px 20px 96px;
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s ease;
}
.nav-drawer.is-open .drawer-panel{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-title{font-size:15px;font-weight:600;color:var(--text-1);}
.drawer-close{width:36px;height:36px;border-radius:10px;color:var(--text-2);border:1px solid var(--line);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;line-height:56px;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer-nav a i{font-size:13px;color:var(--text-3);}
.drawer-nav a.is-active{color:var(--primary);}
.drawer-cta{position:absolute;left:20px;right:20px;bottom:24px;}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding-top:20px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);}
.breadcrumb a{color:var(--text-3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .is-current{color:var(--text-1);}

/* ============ 小 Hero ============ */
.cat-hero{
  position:relative;
  background:var(--bg-base);
  padding:8px 0 56px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;left:-6%;top:-40%;width:620px;height:620px;
  background:radial-gradient(circle,rgba(47,216,208,.18) 0%,rgba(47,216,208,0) 68%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-10%;bottom:-55%;width:560px;height:560px;
  background:radial-gradient(circle,rgba(110,86,248,.20) 0%,rgba(110,86,248,0) 70%);
  pointer-events:none;
}
.cat-hero .grid-container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;align-items:center;padding-top:28px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 12px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);
  background:rgba(47,216,208,.12);
  border-radius:var(--r-pill);
}
.hero-title{
  margin-top:18px;
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-0.01em;
  color:var(--text-1);
}
.hero-title .accent-line{
  display:block;width:44px;height:3px;border-radius:2px;
  background:var(--grad);margin-bottom:16px;
}
.hero-sub{margin-top:14px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:520px;}
.hero-search{margin-top:26px;}
.search-pill{
  display:flex;align-items:center;gap:12px;
  width:480px;max-width:100%;height:52px;padding:0 20px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(10px);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-pill i{color:var(--text-3);font-size:14px;}
.search-pill input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text-1);
}
.search-pill input::placeholder{color:var(--text-3);}
.search-pill:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,216,208,.15);
}
.hero-side{position:relative;}
.hero-visual{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-dark);
}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.status-card{
  position:absolute;right:-8px;bottom:-22px;
  width:230px;padding:16px 18px;
  background:rgba(20,28,52,.72);
  border:1px solid var(--line);
  border-radius:16px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-dark);
}
.status-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);}
.status-row+.status-row{margin-top:10px;}
.status-row b{color:var(--text-1);font-weight:600;}
.dot-pulse{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 0 rgba(47,216,208,.6);
  animation:pulse 2s infinite;margin-right:6px;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,216,208,.55);}
  70%{box-shadow:0 0 0 10px rgba(47,216,208,0);}
  100%{box-shadow:0 0 0 0 rgba(47,216,208,0);}
}

/* ============ 标签条 ============ */
.filter-band{
  background:var(--bg-layer);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:20px 0;
}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.chip{
  height:36px;padding:0 18px;
  font-size:14px;color:var(--text-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.chip:hover{color:var(--text-1);border-color:rgba(47,216,208,.45);transform:translateY(-1px);}
.chip.is-on{
  color:#fff;border-color:transparent;background:var(--grad);
  box-shadow:0 8px 20px rgba(47,216,208,.22);
}

/* ============ FAQ 主体 ============ */
.section{padding:var(--sec-pad) 0;}
.section--layer{background:var(--bg-layer);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-title{
  position:relative;padding-left:14px;
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-0.01em;color:var(--text-1);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--grad);
}
.sec-title--sm{font-size:22px;font-weight:600;padding-left:12px;}
.sec-title--sm::before{top:6px;bottom:6px;}
.sec-desc{margin-top:12px;font-size:14px;color:var(--text-2);max-width:760px;}
.faq-group{padding-bottom:32px;margin-bottom:32px;border-bottom:1px solid var(--line);}
.faq-group:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.faq-group-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap;}
.group-count{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.faq-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;}
.faq-item{
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:12px;
  transition:background-color .2s ease,border-color .2s ease;
}
.faq-item+.faq-item{margin-top:0;}
.faq-item summary{
  list-style:none;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 16px 18px 13px;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--text-1);
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;margin-top:2px;
  color:var(--primary);
  transition:transform .25s ease;
}
.faq-item[open]{
  background:rgba(255,255,255,.04);
  border-left-color:var(--primary);
}
.faq-item[open] .faq-icon{transform:rotate(135deg);}
.faq-answer{
  padding:0 20px 18px 13px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.faq-item.is-hidden{display:none;}
.faq-group.is-hidden{display:none;}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:92px;}
.glass-card{
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-dark);
  backdrop-filter:blur(14px);
  transition:border-color .25s ease,transform .25s ease;
}
.glass-card:hover{border-color:rgba(47,216,208,.35);transform:translateY(-3px);}
.side-card{padding:20px;}
.side-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin-bottom:16px;}
.side-card h3{font-size:18px;font-weight:600;color:var(--text-1);}
.side-list{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.side-list li{display:flex;gap:10px;font-size:13px;line-height:1.7;color:var(--text-2);}
.side-list i{color:var(--primary);font-size:12px;margin-top:6px;}
.side-cta{margin-top:18px;width:100%;}
.side-meta{margin-top:12px;font-size:13px;color:var(--text-3);text-align:center;font-variant-numeric:tabular-nums;}

/* ============ 提示框 ============ */
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.tip-box{
  padding:18px 20px;
  background:rgba(255,255,255,.04);
  border-radius:12px;
  border-left:3px solid var(--primary);
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.tip-box.is-warn{border-left-color:var(--accent);}
.tip-box.is-tip{border-left-color:var(--primary-2);}
.tip-head{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text-1);}
.tip-head i{color:var(--primary);font-size:14px;}
.tip-box.is-warn .tip-head i{color:var(--accent);}
.tip-box.is-tip .tip-head i{color:var(--primary-2);}
.tip-box p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);}

/* ============ 空态 ============ */
.empty-state{
  display:none;
  align-items:center;gap:16px;flex-wrap:wrap;
  padding:24px;
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:24px;
}
.empty-state.is-on{display:flex;}
.empty-state i{font-size:34px;color:var(--primary);}
.empty-state p{font-size:14px;color:var(--text-2);flex:1 1 220px;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:72px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;left:50%;top:-40%;width:720px;height:520px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(47,216,208,.22) 0%,rgba(47,216,208,0) 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:32px 36px;
  background:rgba(14,20,40,.72);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-dark);
}
.cta-inner h2{font-size:22px;font-weight:600;color:var(--text-1);}
.cta-inner p{margin-top:8px;font-size:14px;color:var(--text-2);max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px;color:var(--text-2);}
.foot-grid{display:grid;grid-template-columns:4fr 3fr 3fr 2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-mark{width:30px;height:30px;}
.foot-brand .brand-name{font-size:17px;font-weight:700;color:var(--text-1);}
.site-footer p{font-size:14px;line-height:1.8;color:var(--text-3);}
.site-footer h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--text-3);transition:color .2s ease;}
.foot-links a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--primary);}

/* ============ 断点 ============ */
@media (max-width:1199px){
  .hero-grid{gap:32px;}
  .search-pill{width:100%;}
}
@media (max-width:991px){
  :root{--sec-pad:72px;}
  .main-nav,.nav-search{display:none;}
  .hamburger{display:inline-flex;}
  .hero-grid{grid-template-columns:minmax(0,1fr);}
  .hero-side{margin-top:12px;}
  .status-card{position:static;width:100%;margin-top:16px;}
  .faq-cols{grid-template-columns:minmax(0,1fr);}
  .tips-grid{grid-template-columns:minmax(0,1fr);}
  .side-sticky{position:static;margin-top:32px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-inner{padding:28px 24px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero-title{font-size:30px;}
  .sec-title{font-size:24px;}
  .sec-title--sm{font-size:20px;}
  .section{padding:48px 0;}
  .cat-hero{padding-bottom:40px;}
  .faq-item summary{font-size:16px;padding:16px 12px 16px 12px;}
  .faq-answer{padding:0 12px 16px 12px;font-size:14.5px;}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .brand-name{font-size:16px;}
  .chip{height:34px;padding:0 14px;font-size:13px;}
  .cta-band{padding:48px 0;}
  .cta-inner h2{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}
@media print{
  .site-header,.cta-band,.nav-drawer{display:none;}
  body{background:#fff;color:#000;}
}