/* roulang page: index */
:root{
  --bg-base:#070B16;
  --bg-panel:#0B1224;
  --bg-elev:#101A33;
  --struct-blue:#2B5CE6;
  --struct-glow:#5B8CFF;
  --accent:#FF3D6E;
  --accent-soft:#FF7A9C;
  --support:#23D6C4;
  --text-1:#ECF1FF;
  --text-2:#A6B4D2;
  --text-3:#6E7C99;
  --line:rgba(122,160,255,.16);
  --line-strong:rgba(140,180,255,.30);
  --glass-bg:rgba(20,32,64,.55);
  --glass-brd:rgba(140,180,255,.22);
  --radius-card:18px;
  --radius-panel:22px;
  --radius-input:12px;
  --shadow-card:0 18px 40px rgba(3,7,18,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-float:0 24px 60px rgba(3,7,18,.7);
  --font-base:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 600px at 8% -6%, rgba(43,92,230,.16), transparent 62%),
    radial-gradient(760px 520px at 100% 92%, rgba(255,61,110,.10), transparent 60%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text-1);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--accent-soft);}
h1,h2,h3,h4,h5{color:var(--text-1);margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--struct-glow);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,61,110,.32);color:#fff;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ============ 按钮 ============ */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:0;
  font-size:15px;font-weight:600;letter-spacing:.3px;color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 0 0 1px rgba(255,122,156,.5),0 8px 24px rgba(255,61,110,.35);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  cursor:pointer;min-height:44px;
}
.btn-accent:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,122,156,.6),0 10px 32px rgba(255,61,110,.5);}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,122,156,.5),0 4px 14px rgba(255,61,110,.32);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text-1);
  background:transparent;border:1px solid var(--line);
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
  cursor:pointer;min-height:44px;
}
.btn-ghost:hover{border-color:var(--line-strong);color:#fff;background:rgba(140,180,255,.06);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-soft);
}
.btn-link-arrow i{transition:transform .18s ease;}
.btn-link-arrow:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,22,.62);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(7,11,22,.88);}
.brand-row{
  display:flex;align-items:center;gap:20px;
  height:64px;
}
.brand{
  display:flex;align-items:center;gap:11px;flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(255,61,110,.9),rgba(43,92,230,.9));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px rgba(255,61,110,.28);
}
.brand-word{
  font-size:16px;font-weight:800;letter-spacing:.2px;color:var(--text-1);white-space:nowrap;
}
.brand-word:hover{color:var(--text-1);}
.nav-search{
  flex:1;max-width:340px;margin-left:auto;
  display:flex;align-items:center;gap:8px;
  background:rgba(16,26,51,.75);
  border:1px solid var(--line);
  border-radius:999px;padding:6px 8px 6px 16px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text-1);
  font-size:14px;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:0;background:rgba(255,61,110,.14);color:var(--accent-soft);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
  transition:background .18s ease,color .18s ease;
}
.nav-search button:hover{background:rgba(255,61,110,.24);color:#fff;}
.brand-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-login{
  padding:9px 20px;border-radius:12px;font-size:14px;font-weight:600;color:var(--text-1);
  background:transparent;border:1px solid var(--line);
  transition:border-color .18s ease,color .18s ease;
}
.btn-login:hover{border-color:var(--line-strong);color:#fff;}
.brand-actions .btn-accent{padding:10px 22px;font-size:14px;}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:transparent;color:var(--text-1);
  align-items:center;justify-content:center;font-size:16px;
}
.burger:hover{border-color:var(--line-strong);}

.chan-row{border-top:1px solid var(--line);position:relative;}
.chan-inner{
  display:flex;align-items:center;gap:10px;height:52px;
  overflow-x:auto;scrollbar-width:none;
}
.chan-inner::-webkit-scrollbar{display:none;}
.chan-row::after{
  content:"";position:absolute;right:0;top:1px;bottom:0;width:56px;pointer-events:none;
  background:linear-gradient(90deg,rgba(7,11,22,0),rgba(7,11,22,.92));
}
.chan-pill{
  flex-shrink:0;display:inline-flex;align-items:center;gap:7px;
  padding:7px 18px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--text-2);background:transparent;border:1px solid transparent;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.chan-pill:hover{color:var(--text-1);border-color:var(--line-strong);}
.chan-pill.active{
  color:#fff;background:rgba(255,61,110,.10);border-color:var(--accent);
}
.chan-pill.active i{color:var(--accent-soft);font-size:11px;}

.mobile-panel{
  display:none;position:fixed;inset:0;z-index:1050;
  background:rgba(7,11,22,.96);
  backdrop-filter:blur(8px) saturate(120%);
  -webkit-backdrop-filter:blur(8px) saturate(120%);
  padding:24px 20px 40px;overflow-y:auto;
}
.mobile-panel.open{display:block;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.mobile-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);font-size:18px;
}
.mobile-panel nav{display:flex;flex-direction:column;gap:10px;margin-bottom:26px;}
.mobile-panel nav a{
  padding:14px 18px;border-radius:12px;border:1px solid var(--line);
  background:rgba(16,26,51,.7);font-size:15px;color:var(--text-1);
}
.mobile-panel nav a.active{border-color:var(--accent);background:rgba(255,61,110,.12);}
.mobile-panel .btn-accent{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;padding:88px 0 96px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;right:-120px;top:-180px;
  background:radial-gradient(circle,rgba(255,61,110,.20),transparent 66%);
  pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;position:relative;
}
.hero-copy{grid-column:span 7;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:var(--text-3);
  text-transform:none;margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent),transparent);
}
h1.hero-title{
  font-size:50px;font-weight:800;line-height:1.22;letter-spacing:-.5px;margin-bottom:20px;
}
h1.hero-title .hl{
  background:linear-gradient(135deg,#FF3D6E,#FF8FA9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:16px;line-height:1.85;color:var(--text-2);max-width:520px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:26px;}
.hero-point{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2);}
.hero-point i{color:var(--struct-glow);font-size:13px;}
.hero-visual{grid-column:span 5;position:relative;}
.hero-figure{
  position:relative;border-radius:var(--radius-panel);overflow:hidden;
  border:1px solid var(--glass-brd);
  box-shadow:var(--shadow-card),0 0 60px rgba(255,61,110,.12);
  aspect-ratio:4/3;
  background:linear-gradient(140deg,#111A33,#0A1122 60%,#1A1030);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;right:16px;bottom:16px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:14px;
  background:rgba(11,18,36,.82);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-float);
}
.dot-live{
  width:8px;height:8px;border-radius:50%;background:var(--support);flex-shrink:0;
  box-shadow:0 0 0 4px rgba(35,214,196,.16);
}
.hero-float .t{font-size:12px;color:var(--text-3);line-height:1.4;}
.hero-float .n{font-size:15px;font-weight:700;color:var(--text-1);line-height:1.3;font-variant-numeric:tabular-nums;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;border-top:1px solid var(--line);}
.section.alt{background:var(--bg-panel);}
.section-head{margin-bottom:32px;max-width:720px;}
.section-head .eyebrow{margin-bottom:12px;}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:14px;}
.section-head p{font-size:15px;color:var(--text-2);margin:0;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ 阶梯 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:23px;height:2px;
  background:linear-gradient(90deg,rgba(255,61,110,.85),rgba(43,92,230,.5) 55%,rgba(122,160,255,.12));
}
.step{position:relative;padding-right:8px;}
.step-dot{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--text-1);
  background:var(--bg-elev);
  border:1px solid var(--line-strong);
  margin-bottom:20px;position:relative;z-index:1;
}
.step:first-child .step-dot{
  color:#fff;border-color:var(--accent);
  background:linear-gradient(135deg,rgba(255,61,110,.9),rgba(255,106,147,.75));
  box-shadow:0 0 22px rgba(255,61,110,.45);
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.7;color:var(--text-2);margin:0;}
.step .step-ico{color:var(--struct-glow);font-size:13px;margin-bottom:10px;}

/* ============ 套餐 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-card);
  padding:30px 26px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.plan:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.plan.featured{
  border:1.5px solid var(--accent);
  box-shadow:0 18px 46px rgba(255,61,110,.22),inset 0 1px 0 rgba(255,255,255,.08);
  transform:translateY(-8px);
}
.plan.featured:hover{transform:translateY(-11px);}
.plan.featured::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,#FF3D6E,#FF8FA9);
}
.plan-tag{
  position:absolute;right:22px;top:22px;
  font-size:12px;padding:3px 11px;border-radius:999px;
  color:var(--accent-soft);border:1px solid rgba(255,61,110,.45);background:rgba(255,61,110,.1);
}
.plan h3{font-size:20px;margin-bottom:6px;}
.plan .fit{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.price{display:flex;align-items:baseline;gap:4px;margin-bottom:22px;font-variant-numeric:tabular-nums;}
.price .cur{font-size:16px;color:var(--text-2);font-weight:600;}
.price .num{font-size:40px;font-weight:800;color:var(--text-1);line-height:1;letter-spacing:-1px;}
.plan.featured .price .num{color:var(--accent-soft);}
.price .cycle{font-size:13px;color:var(--text-3);margin-left:4px;}
.plan ul{flex:1;margin-bottom:24px;}
.plan li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.7;color:var(--text-2);
  padding:10px 0;border-bottom:1px dashed rgba(122,160,255,.14);
}
.plan li:last-child{border-bottom:0;}
.plan li i{color:var(--support);font-size:12px;width:18px;flex-shrink:0;margin-top:6px;}
.plan .plan-btn{width:100%;}

/* ============ 限时窄带 ============ */
.flash-band{
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-panel);
  padding:26px 32px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.flash-copy{flex:1 1 260px;min-width:240px;}
.flash-copy h3{font-size:20px;margin-bottom:6px;}
.flash-copy p{font-size:14px;color:var(--text-2);margin:0;}
.countdown{display:flex;gap:10px;font-variant-numeric:tabular-nums;}
.cd-box{
  min-width:62px;padding:8px 6px;text-align:center;
  border-radius:12px;background:rgba(16,26,51,.9);border:1px solid var(--line);
}
.cd-box .n{display:block;font-size:22px;font-weight:800;color:var(--accent-soft);line-height:1.2;}
.cd-box .u{display:block;font-size:11px;color:var(--text-3);letter-spacing:1px;}

/* ============ 资讯卡片 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#111A33,#0A1122 60%,#1A1030);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-cat{
  position:absolute;left:12px;top:12px;
  font-size:12px;padding:4px 11px;border-radius:999px;
  color:#fff;background:rgba(7,11,22,.72);
  border:1px solid rgba(140,180,255,.3);
  backdrop-filter:blur(6px);
}
.news-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-body h3{color:#fff;}
.news-body .excerpt{
  font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;
}
.news-meta .sep{opacity:.6;}
.news-meta .more{margin-left:auto;color:var(--accent-soft);font-weight:600;display:inline-flex;gap:6px;align-items:center;}
.news-card:hover .more i{transform:translateX(3px);}
.news-meta .more i{transition:transform .18s ease;}
.empty-card{
  max-width:480px;margin:0 auto;text-align:center;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  border-radius:var(--radius-card);padding:40px 28px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.empty-card i{font-size:26px;color:var(--struct-glow);margin-bottom:14px;display:block;}
.empty-card p{font-size:14px;color:var(--text-2);margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq-acc .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease;
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--accent);}
.faq-acc .accordion-button{
  background:transparent;color:var(--text-1);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:18px 52px 18px 22px;
  box-shadow:none;border:0;
}
.faq-acc .accordion-button:not(.collapsed){color:#fff;background:transparent;box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none;}
.faq-acc .accordion-button::after{
  background-image:none;content:"\2b";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--accent-soft);
  width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(255,61,110,.4);
  display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform .2s ease,background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);background:rgba(255,61,110,.14);}
.faq-acc .accordion-body{
  padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--text-2);
}

/* ============ 表单 ============ */
.consult-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start;}
.form-card{
  background:var(--bg-elev);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-panel);
  padding:32px;
  box-shadow:var(--shadow-card);
}
.form-card h3{font-size:20px;margin-bottom:8px;}
.form-card .form-desc{font-size:14px;color:var(--text-3);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field .req{color:var(--accent-soft);margin-left:2px;}
.form-control,.form-select{
  width:100%;background:var(--bg-elev);
  border:1px solid var(--line);border-radius:var(--radius-input);
  color:var(--text-1);font-size:14px;padding:12px 14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus,.form-select:focus{
  background:var(--bg-elev);color:var(--text-1);
  border-color:var(--struct-glow);
  box-shadow:0 0 0 3px rgba(91,140,255,.2);
  outline:none;
}
.form-select option{background:var(--bg-elev);color:var(--text-1);}
textarea.form-control{resize:vertical;min-height:112px;line-height:1.7;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.trust-card{
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  border-radius:var(--radius-panel);padding:30px 26px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.trust-card h3{font-size:18px;margin-bottom:18px;}
.trust-item{display:flex;gap:12px;margin-bottom:18px;}
.trust-item:last-of-type{margin-bottom:0;}
.trust-item i{color:var(--support);font-size:14px;margin-top:6px;}
.trust-item .t1{font-size:14px;color:var(--text-1);font-weight:600;margin-bottom:2px;}
.trust-item .t2{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;}
.trust-divider{height:1px;background:var(--line);margin:22px 0;border:0;}
.trust-contact{font-size:13px;color:var(--text-3);line-height:1.9;}
.trust-contact strong{color:var(--text-1);font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-panel);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.8;color:var(--text-3);max-width:280px;margin-bottom:18px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-3);font-size:14px;
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-social a:hover{color:var(--accent-soft);border-color:var(--line-strong);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13px;color:var(--text-3);display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col ul a:hover{color:var(--accent-soft);transform:translateX(-2px);}
.footer-sub p{font-size:13px;color:var(--text-3);line-height:1.8;margin-bottom:14px;}
.footer-sub .sub-box{display:flex;gap:8px;}
.footer-sub .sub-box input{
  flex:1;min-width:0;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;color:var(--text-1);font-size:13px;
}
.footer-sub .sub-box input:focus{outline:none;border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18);}
.footer-sub .sub-box button{
  border:0;border-radius:12px;padding:10px 18px;font-size:13px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 6px 18px rgba(255,61,110,.3);
  transition:filter .18s ease,transform .18s ease;
}
.footer-sub .sub-box button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);
  padding:20px 0;text-align:center;font-size:12px;color:var(--text-3);line-height:1.9;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-grid{gap:36px;}
  h1.hero-title{font-size:42px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .plans{grid-template-columns:repeat(2,1fr);}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-3px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-copy,.hero-visual{grid-column:span 12;}
  h1.hero-title{font-size:38px;}
  .hero-figure{aspect-ratio:16/10;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .steps::before{display:none;}
  .consult-grid{grid-template-columns:1fr;}
  .nav-search{max-width:240px;}
  .brand-word{font-size:15px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .brand-row{height:56px;gap:12px;}
  .brand-word{font-size:14px;white-space:normal;line-height:1.3;max-width:170px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:13px;}
  .nav-search,.btn-login{display:none;}
  .brand-actions{margin-left:auto;}
  .brand-actions .btn-accent{padding:9px 18px;font-size:13px;}
  .burger{display:flex;}
  .chan-inner{height:50px;gap:8px;}
  .chan-pill{padding:6px 14px;font-size:13px;}
  .hero{padding:48px 0 56px;}
  h1.hero-title{font-size:31px;letter-spacing:0;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%;}
  .hero-points{gap:14px 20px;}
  .section-head h2{font-size:24px;}
  .steps{grid-template-columns:1fr;gap:22px;}
  .step{display:grid;grid-template-columns:46px 1fr;gap:16px;padding-right:0;}
  .step-dot{margin-bottom:0;}
  .step-body{grid-column:2;}
  .step h3{font-size:17px;}
  .plans{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .flash-band{padding:20px;gap:18px;}
  .countdown{gap:8px;}
  .cd-box{min-width:54px;padding:6px 4px;}
  .cd-box .n{font-size:19px;}
  .form-card{padding:20px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:span 2;}
  .footer-sub{grid-column:span 2;}
  .site-footer{padding-top:48px;}
  .faq-acc .accordion-button{font-size:15px;padding:16px 48px 16px 18px;}
  .faq-acc .accordion-body{padding:0 18px 18px;font-size:14px;}
}
@media (max-width:519.98px){
  h1.hero-title{font-size:27px;}
  .hero-float{right:10px;bottom:10px;padding:10px 12px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand,.footer-sub{grid-column:span 1;}
}
html{scrollbar-color:rgba(122,160,255,.28) var(--bg-base);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-base);}
::-webkit-scrollbar-thumb{background:rgba(122,160,255,.24);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(122,160,255,.4);}
[id]{scroll-margin-top:130px;}

/* roulang page: article */
:root{
  --bg-base:#070B16;
  --bg-panel:#0B1224;
  --bg-elev:#101A33;
  --struct-blue:#2B5CE6;
  --struct-glow:#5B8CFF;
  --accent:#FF3D6E;
  --accent-soft:#FF7A9C;
  --support:#23D6C4;
  --text-1:#ECF1FF;
  --text-2:#A6B4D2;
  --text-3:#6E7C99;
  --line:rgba(122,160,255,.16);
  --line-strong:rgba(140,180,255,.30);
  --glass-bg:rgba(20,32,64,.55);
  --glass-brd:rgba(140,180,255,.22);
  --radius-card:18px;
  --radius-panel:22px;
  --radius-input:12px;
  --shadow-card:0 18px 40px rgba(3,7,18,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-float:0 24px 60px rgba(3,7,18,.7);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:var(--bg-base);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(760px 520px at 8% -6%, rgba(43,92,230,.14), transparent 62%),
    radial-gradient(680px 480px at 104% 108%, rgba(255,61,110,.08), transparent 60%);
}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid var(--struct-glow);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px}
h1,h2,h3,h4,h5{color:var(--text-1);margin:0;font-weight:700;line-height:1.3}
p{margin:0 0 1em}
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-card);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;min-height:44px;
  border:none;border-radius:999px;
  font-size:15px;font-weight:700;color:#fff;letter-spacing:.3px;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 0 0 1px rgba(255,122,156,.5),0 8px 24px rgba(255,61,110,.35);
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-accent:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,122,156,.6),0 10px 32px rgba(255,61,110,.5);transform:translateY(-1px);color:#fff}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,122,156,.45),0 4px 14px rgba(255,61,110,.35)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;min-height:44px;
  border:1px solid var(--line-strong);border-radius:12px;
  background:transparent;color:var(--text-1);font-size:15px;font-weight:600;
  cursor:pointer;transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:var(--struct-glow);background:rgba(91,140,255,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(255,61,110,.55);
  background:rgba(255,61,110,.10);
  color:var(--accent-soft);font-size:12px;font-weight:600;letter-spacing:.6px;
}
.tag-pill.blue{border-color:rgba(91,140,255,.5);background:rgba(43,92,230,.12);color:#9DBBFF}
.tag-pill.cyan{border-color:rgba(35,214,196,.45);background:rgba(35,214,196,.10);color:#7FE9DE}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,22,.62);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(7,11,22,.88);box-shadow:0 12px 30px rgba(3,7,18,.55)}
.brand-row{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.5px;color:#fff;
  background:linear-gradient(135deg,var(--struct-blue),var(--accent));
  box-shadow:0 6px 18px rgba(43,92,230,.35);
}
.brand-word{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:.2px;white-space:nowrap}
.nav-search{
  display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:400px;margin-left:auto;
  padding:0 6px 0 16px;height:42px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18)}
.nav-search i{color:var(--text-3);font-size:14px}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;
  color:var(--text-1);font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  border:none;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);cursor:pointer;
}
.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:12px}
.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 20px;min-height:40px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-1);font-size:14px;font-weight:600;
  background:transparent;
}
.btn-login:hover{border-color:var(--struct-glow);background:rgba(91,140,255,.08);color:#fff}
.site-header .btn-accent{padding:9px 22px;min-height:40px;font-size:14px}
.burger{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-strong);background:transparent;color:var(--text-1);cursor:pointer;
}
.chan-row{position:relative;border-top:1px solid var(--line);background:rgba(11,18,36,.42)}
.chan-row::after{
  content:"";position:absolute;top:0;right:0;width:64px;height:100%;pointer-events:none;
  background:linear-gradient(to right,rgba(7,11,22,0),rgba(7,11,22,.95));
  opacity:0;transition:opacity .2s ease;
}
.chan-inner{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chan-inner::-webkit-scrollbar{display:none}
.chan-pill{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:7px 16px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:all .18s ease;
}
.chan-pill i{font-size:12px;opacity:.8}
.chan-pill:hover{color:var(--text-1);border-color:var(--line-strong)}
.chan-pill.active{
  color:#fff;border-color:rgba(255,61,110,.7);
  background:rgba(255,61,110,.10);font-weight:600;
}
.mobile-panel{
  display:none;position:fixed;inset:0;z-index:1040;
  padding:24px;
  background:rgba(7,11,22,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  flex-direction:column;gap:14px;overflow-y:auto;
}
.mobile-panel.open{display:flex}
.mobile-panel .panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.mobile-panel .panel-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text-1);font-size:18px;cursor:pointer;
}
.mobile-panel a.panel-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-radius:14px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  color:var(--text-1);font-size:15px;font-weight:600;
}
.mobile-panel a.panel-link i{color:var(--accent-soft);font-size:13px}
.mobile-panel .btn-accent{margin-top:10px;width:100%}

/* ---------- Article ---------- */
main{position:relative;z-index:1}
.article-wrap{padding:36px 0 96px}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:26px;
}
.breadcrumb-line a:hover{color:var(--accent-soft)}
.breadcrumb-line .sep{color:rgba(110,124,153,.7)}
.breadcrumb-line .current{
  color:var(--text-1);max-width:min(520px,60vw);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:820px}
.article-head h1{
  margin:16px 0 18px;
  font-size:40px;font-weight:800;line-height:1.35;letter-spacing:-.4px;
  color:var(--text-1);
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-3);
}
.meta-row .dot{width:1px;height:12px;background:var(--line-strong);display:inline-block}
.cover-frame{
  margin-top:28px;border-radius:14px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#101A33,#0B1224 60%,#1a1030);
  aspect-ratio:16/9;
}
.cover-frame img{width:100%;height:100%;object-fit:cover}
.with-aside{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;
  align-items:start;margin-top:34px;
}
.article-body{
  font-size:16px;line-height:1.9;color:var(--text-2);
  max-width:780px;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:38px 0 16px;padding-left:14px;
  font-size:26px;font-weight:700;color:var(--text-1);line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  border-radius:2px;background:var(--accent);
}
.article-body h3{margin:26px 0 12px;font-size:20px;font-weight:600;color:var(--text-1)}
.article-body h4{margin:20px 0 10px;font-size:16px;font-weight:600;color:var(--text-1)}
.article-body a{color:var(--accent-soft);border-bottom:1px solid rgba(255,122,156,.4)}
.article-body a:hover{color:#fff;border-color:#fff}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:22px}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--struct-glow)}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;
  border-left:3px solid var(--accent);
  border-radius:0 14px 14px 0;
  background:var(--glass-bg);
  border-top:1px solid var(--glass-brd);
  border-right:1px solid var(--glass-brd);
  border-bottom:1px solid var(--glass-brd);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:26px 0}
.article-body img{border-radius:14px;margin:0 auto;border:1px solid var(--line)}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:14px;
  background:var(--bg-panel);border:1px solid var(--line);
  border-radius:12px;overflow:hidden;
}
.article-body th{
  background:var(--bg-elev);color:var(--text-1);text-align:left;
  padding:10px 14px;font-weight:600;border-bottom:1px solid var(--line);
}
.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-lead{
  display:flex;gap:14px;align-items:flex-start;
  margin:28px 0 6px;padding:18px 20px;
  border-left:3px solid var(--accent);
  border-radius:0 14px 14px 0;
  background:rgba(20,32,64,.55);
  border-top:1px solid var(--glass-brd);
  border-right:1px solid var(--glass-brd);
  border-bottom:1px solid var(--glass-brd);
}
.article-lead i{color:var(--accent-soft);font-size:16px;margin-top:4px}
.article-lead p{margin:0;font-size:14px;line-height:1.85;color:var(--text-2)}
.article-empty{
  padding:40px 28px;text-align:center;max-width:520px;margin:10px auto 0;
}
.article-empty i{font-size:30px;color:var(--struct-glow);margin-bottom:14px;display:block}
.article-empty h3{font-size:20px;margin-bottom:10px}
.article-empty p{font-size:14px;color:var(--text-3);margin-bottom:20px}
.article-end{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line);
}
.aside-card{
  position:sticky;top:140px;padding:24px 22px;
}
.aside-card h3{font-size:17px;margin-bottom:10px}
.aside-card p{font-size:13px;line-height:1.8;color:var(--text-3);margin-bottom:16px}
.aside-card .btn-accent{width:100%;font-size:14px;padding:11px 18px}
.aside-list{list-style:none;padding:0;margin:18px 0 0;border-top:1px solid var(--line);padding-top:14px}
.aside-list li{margin-bottom:10px}
.aside-list a{
  display:flex;gap:8px;align-items:flex-start;
  font-size:13px;line-height:1.7;color:var(--text-2);
}
.aside-list a:hover{color:var(--accent-soft)}
.aside-list i{font-size:11px;color:var(--struct-glow);margin-top:5px}
.related{margin-top:56px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:26px;
}
.section-head h2{font-size:26px;letter-spacing:-.2px}
.section-head .more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--text-2);font-weight:600;
}
.section-head .more i{font-size:12px;transition:transform .18s ease}
.section-head .more:hover{color:var(--accent-soft)}
.section-head .more:hover i{transform:translateX(3px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-float)}
.card-media{
  aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,#101A33,#0B1224 55%,#251030);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{
  font-size:17px;line-height:1.5;margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;line-height:1.75;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--line);
}
.card-foot .read{display:inline-flex;align-items:center;gap:6px;color:var(--accent-soft);font-weight:600}
.card-foot .read i{font-size:11px;transition:transform .18s ease}
.related-card:hover .card-foot .read i{transform:translateX(3px)}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;padding:64px 0 0;
  background:var(--bg-panel);
  border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13px;line-height:1.85;color:var(--text-3);max-width:280px;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:all .18s ease;
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent-soft);transform:translateY(-2px)}
.footer-col h4,.footer-sub h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13px;color:var(--text-3);display:inline-block}
.footer-col a:hover{color:var(--accent-soft);transform:translateX(2px)}
.footer-sub p{font-size:13px;line-height:1.8;color:var(--text-3);margin-bottom:12px}
.sub-box{display:flex;gap:8px}
.sub-box input{
  flex:1;min-width:0;height:42px;padding:0 14px;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-input);
  color:var(--text-1);font-size:13px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-box input::placeholder{color:var(--text-3)}
.sub-box input:focus{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.16)}
.sub-box button{
  height:42px;padding:0 18px;border:none;border-radius:var(--radius-input);
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);color:#fff;font-size:13px;font-weight:700;
  cursor:pointer;transition:filter .18s ease,transform .18s ease;
}
.sub-box button:hover{filter:brightness(1.07);transform:translateY(-1px)}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;border-top:1px solid var(--line);
  text-align:center;font-size:12px;line-height:1.9;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .with-aside{grid-template-columns:minmax(0,1fr)}
  .aside-card{position:static;top:auto}
  .article-body{max-width:none}
}
@media (max-width:991px){
  .container{padding-inline:20px}
  .nav-search{max-width:280px}
  .article-head h1{font-size:34px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-sub{grid-column:1 / -1}
  .article-wrap{padding:28px 0 72px}
}
@media (max-width:767px){
  .container{padding-inline:18px}
  .brand-row{height:56px;gap:10px}
  .brand-word{font-size:14px;max-width:44vw;overflow:hidden;text-overflow:ellipsis}
  .nav-search{display:none}
  .brand-actions{margin-left:auto;gap:8px}
  .btn-login{display:none}
  .site-header .btn-accent{padding:9px 16px;font-size:13px;min-height:38px}
  .burger{display:inline-flex}
  .chan-row::after{opacity:1}
  .chan-inner{height:50px;gap:6px;padding-inline:18px}
  .chan-pill{padding:6px 13px;font-size:13px}
  .article-wrap{padding:22px 0 56px}
  .breadcrumb-line{margin-bottom:18px;font-size:12px}
  .breadcrumb-line .current{max-width:100%;white-space:normal}
  .article-head h1{font-size:26px;line-height:1.4;margin:12px 0 14px}
  .meta-row{font-size:12px;gap:9px}
  .article-body{font-size:15px;line-height:1.85}
  .article-body h2{font-size:22px;margin:30px 0 14px}
  .article-body h3{font-size:18px}
  .article-lead{padding:14px 16px;font-size:13px}
  .article-end{flex-direction:column;align-items:stretch}
  .article-end .btn-ghost,.article-end .btn-accent{width:100%}
  .related{margin-top:40px}
  .section-head h2{font-size:22px}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
  .footer-sub{grid-column:1 / -1}
  .site-footer{padding:48px 0 0}
  .footer-bottom{margin-top:30px;font-size:11.5px}
}
@media (max-width:520px){
  .article-head h1{font-size:23px}
  .tag-pill{font-size:11px;padding:4px 12px}
  .footer-grid{grid-template-columns:1fr}
  .sub-box{flex-direction:column}
  .sub-box button{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg-base:#070B16;
  --bg-panel:#0B1224;
  --bg-elev:#101A33;
  --struct-blue:#2B5CE6;
  --struct-glow:#5B8CFF;
  --accent:#FF3D6E;
  --accent-soft:#FF7A9C;
  --support:#23D6C4;
  --text-1:#ECF1FF;
  --text-2:#A6B4D2;
  --text-3:#6E7C99;
  --line:rgba(122,160,255,.16);
  --line-strong:rgba(140,180,255,.30);
  --glass-bg:rgba(20,32,64,.55);
  --glass-brd:rgba(140,180,255,.22);
  --radius-card:18px;
  --radius-panel:22px;
  --shadow-card:0 18px 40px rgba(3,7,18,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-float:0 24px 60px rgba(3,7,18,.7);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 6% -6%, rgba(43,92,230,.14), transparent 62%),
    radial-gradient(780px 480px at 100% 100%, rgba(255,61,110,.08), transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
}
h1,h2,h3,h4,h5{color:var(--text-1);font-weight:700;margin:0;line-height:1.3;}
p{margin:0 0 1em;}
a{color:var(--text-1);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--accent-soft);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--struct-glow);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
section[id]{scroll-margin-top:132px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-panel);border-top:1px solid var(--line);}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:2px;
  color:var(--text-3);
  margin-bottom:12px;
  font-weight:500;
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.3px;}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,22,.72);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.scrolled{background:rgba(7,11,22,.92);}
.brand-row{
  display:flex;align-items:center;gap:24px;
  height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:.5px;color:#fff;
  background:linear-gradient(135deg,var(--struct-blue),#1a3ba8);
  box-shadow:0 0 0 1px rgba(140,180,255,.35), 0 6px 18px rgba(43,92,230,.35);
}
.brand-word{
  font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:-.2px;white-space:nowrap;
}
.nav-search{
  display:flex;align-items:center;gap:8px;
  flex:1;max-width:360px;margin-left:auto;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:999px;
  padding:6px 8px 6px 16px;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;background:transparent;border:0;color:var(--text-1);
  font-size:14px;outline:none;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:0;border-radius:999px;padding:6px 16px;font-size:13px;font-weight:600;
  color:#fff;background:rgba(43,92,230,.55);transition:background .2s ease;
}
.nav-search button:hover{background:var(--struct-blue);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 20px;border-radius:12px;
  border:1px solid var(--line);background:transparent;
  color:var(--text-1);font-size:14px;font-weight:600;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-login:hover{border-color:var(--line-strong);background:rgba(122,160,255,.08);color:var(--text-1);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 22px;border-radius:999px;border:0;
  font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 0 0 1px rgba(255,122,156,.5), 0 8px 24px rgba(255,61,110,.35);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn-accent:hover{
  color:#fff;filter:brightness(1.06);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,122,156,.6), 0 10px 32px rgba(255,61,110,.5);
}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,122,156,.45),0 4px 14px rgba(255,61,110,.35);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(20,32,64,.4);
  color:var(--text-1);font-size:15px;font-weight:600;
  transition:border-color .2s ease,background .2s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:var(--struct-glow);background:rgba(43,92,230,.16);color:var(--text-1);transform:translateY(-1px);}
.btn-lg{height:48px;padding:0 30px;font-size:15px;}
.burger{
  display:none;width:38px;height:38px;border-radius:11px;
  border:1px solid var(--line);background:rgba(20,32,64,.5);
  color:var(--text-1);font-size:15px;align-items:center;justify-content:center;
}
.burger:hover{border-color:var(--line-strong);}
.chan-row{
  border-top:1px solid var(--line);
  position:relative;
}
.chan-row::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:56px;
  background:linear-gradient(90deg,rgba(7,11,22,0),rgba(7,11,22,.95));
  pointer-events:none;
}
.chan-inner{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;scrollbar-width:none;
}
.chan-inner::-webkit-scrollbar{display:none;}
.chan-pill{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 16px;border-radius:999px;
  border:1px solid transparent;background:transparent;
  color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.chan-pill i{font-size:12px;opacity:.8;}
.chan-pill:hover{color:var(--text-1);border-color:var(--line-strong);}
.chan-pill.active{
  color:#fff;border-color:var(--accent);
  background:rgba(255,61,110,.10);
}
.mobile-panel{
  position:fixed;inset:0;z-index:1040;
  background:rgba(7,11,22,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:20px 22px 32px;
  transform:translateY(-102%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.mobile-panel.open{transform:translateY(0);}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-close{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);font-size:16px;
}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;font-weight:600;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link:hover{color:var(--accent-soft);}
.mobile-panel .btn-accent{margin-top:22px;height:48px;width:100%;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:26px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--accent-soft);}
.crumb i{font-size:10px;opacity:.6;}
.crumb .current{color:var(--text-1);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
  background:var(--bg-panel);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,22,.97) 0%,rgba(7,11,22,.9) 46%,rgba(7,11,22,.74) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;line-height:1.22;letter-spacing:-.5px;
  max-width:820px;
}
.page-hero .hero-sub{
  margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:660px;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-pills a{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);
  border:1px solid var(--glass-brd);background:var(--glass-bg);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease,color .2s ease,transform .18s ease;
}
.hero-pills a:hover{color:var(--text-1);border-color:var(--accent);transform:translateY(-1px);}
.hero-pills a i{font-size:12px;color:var(--accent-soft);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-stat{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2);}
.hero-stat i{color:var(--struct-glow);font-size:14px;}
.hero-stat b{color:var(--text-1);font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 编号清单 ============ */
.step-list{margin-top:8px;}
.step-row{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:42px 0;border-top:1px solid var(--line);
}
.step-row:first-child{border-top:0;padding-top:8px;}
.step-text h3{font-size:21px;margin-bottom:12px;}
.step-num{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;
  color:var(--accent);font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.step-text p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:14px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);background:transparent;
}
.tag-accent{border-color:rgba(255,61,110,.45);color:var(--accent-soft);}
.tag-cyan{border-color:rgba(35,214,196,.4);color:var(--support);}
.tag-blue{border-color:rgba(91,140,255,.45);color:var(--struct-glow);}
.step-media{
  border-radius:14px;
  background:linear-gradient(135deg,#0d1730,#131f3d);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.step-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .4s ease;
}
.step-media:hover img{transform:scale(1.03);}
.step-row:nth-child(even) .step-text{order:2;}
.step-row:nth-child(even) .step-media{order:1;}

/* ============ 玻璃信息卡 ============ */
.glass-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-panel);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  padding:36px;
}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 34px;margin-top:6px;}
.info-item{display:flex;gap:16px;align-items:flex-start;}
.info-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(43,92,230,.16);
  border:1px solid rgba(91,140,255,.34);
  color:var(--struct-glow);font-size:16px;
}
.info-item h4{font-size:16px;margin-bottom:6px;}
.info-item p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0;}
.notice-bar{
  display:flex;align-items:center;gap:14px;
  margin-top:30px;padding:16px 20px;border-radius:14px;
  background:rgba(255,61,110,.08);
  border:1px solid rgba(255,61,110,.28);
  border-left:3px solid var(--accent);
  font-size:14px;color:var(--text-1);line-height:1.7;
}
.notice-bar i{color:var(--accent);font-size:16px;flex:0 0 auto;}

/* ============ FAQ ============ */
.accordion-custom .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease;
}
.accordion-custom .accordion-item:hover{border-color:var(--line-strong);}
.accordion-custom .accordion-button{
  background:transparent;
  color:var(--text-1);
  font-size:16px;font-weight:600;
  padding:18px 52px 18px 20px;
  box-shadow:none;
  line-height:1.6;
}
.accordion-custom .accordion-button:not(.collapsed){
  background:rgba(255,61,110,.07);
  color:var(--text-1);
  box-shadow:none;
}
.accordion-custom .accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-custom .accordion-button::after{
  content:"+";
  background-image:none;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--accent-soft);
  width:auto;height:auto;
  position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  transition:transform .2s ease,color .2s ease;
}
.accordion-custom .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:translateY(-50%) rotate(180deg);
  color:var(--accent);
}
.accordion-custom .accordion-body{
  padding:0 20px 22px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-panel);
  border:1px solid var(--glass-brd);
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-float);
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--accent),rgba(255,61,110,.2));
}
.cta-band h2{font-size:28px;margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;color:var(--text-2);line-height:1.8;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-panel);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.8;color:var(--text-3);max-width:290px;margin-bottom:18px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-3);font-size:14px;
  transition:border-color .2s ease,color .2s ease,transform .18s ease;
}
.footer-social a:hover{border-color:var(--line-strong);color:var(--accent-soft);transform:translateY(-2px);}
.footer-col h4,.footer-sub h4{
  font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:13px;color:var(--text-3);
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.footer-col a:hover{color:var(--accent-soft);transform:translateX(-2px);}
.footer-sub p{font-size:13px;color:var(--text-3);line-height:1.8;margin-bottom:14px;}
.sub-box{
  display:flex;gap:8px;background:var(--bg-elev);
  border:1px solid var(--line);border-radius:12px;padding:5px;
}
.sub-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:var(--text-1);font-size:13px;padding:6px 10px;
}
.sub-box input::placeholder{color:var(--text-3);}
.sub-box button{
  border:0;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;
  color:#fff;background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  transition:filter .2s ease;
}
.sub-box button:hover{filter:brightness(1.08);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 26px;
  text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-sub{grid-column:1 / -1;}
  .info-grid{grid-template-columns:1fr;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .nav-search{display:none;}
  .brand-actions{margin-left:auto;}
  .step-row{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .step-row:nth-child(even) .step-text{order:1;}
  .step-row:nth-child(even) .step-media{order:2;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .page-hero{padding:48px 0 56px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .brand-row{height:56px;gap:12px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:11px;}
  .brand-word{font-size:13px;}
  .btn-login{display:none;}
  .btn-accent{height:34px;padding:0 14px;font-size:12.5px;}
  .burger{display:inline-flex;}
  .chan-inner{height:48px;}
  .chan-pill{height:32px;font-size:13px;padding:0 14px;}
  .site-header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-stats{gap:14px 22px;padding-top:20px;margin-top:24px;}
  .hero-stat{font-size:13px;}
  .step-text h3{font-size:18px;}
  .glass-card{padding:22px;}
  .info-item h4{font-size:15px;}
  .accordion-custom .accordion-button{font-size:15px;padding:16px 46px 16px 16px;}
  .accordion-custom .accordion-body{padding:0 16px 18px;font-size:14px;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{flex:1;min-height:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-sub{grid-column:1 / -1;}
  section[id]{scroll-margin-top:116px;}
}
@media (max-width:519.98px){
  .brand-word{font-size:12px;}
  .hero-pills a{height:34px;padding:0 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-lg{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg-base:#070B16;
  --bg-panel:#0B1224;
  --bg-elev:#101A33;
  --struct-blue:#2B5CE6;
  --struct-glow:#5B8CFF;
  --accent:#FF3D6E;
  --accent-soft:#FF7A9C;
  --support:#23D6C4;
  --text-1:#ECF1FF;
  --text-2:#A6B4D2;
  --text-3:#6E7C99;
  --line:rgba(122,160,255,.16);
  --line-strong:rgba(140,180,255,.30);
  --glass-bg:rgba(20,32,64,.55);
  --glass-brd:rgba(140,180,255,.22);
  --radius-card:18px;
  --radius-panel:22px;
  --radius-input:12px;
  --shadow-card:0 18px 40px rgba(3,7,18,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-float:0 24px 60px rgba(3,7,18,.7);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:
    radial-gradient(1200px 600px at 0% 0%, rgba(43,92,230,.14), transparent 62%),
    radial-gradient(900px 520px at 100% 100%, rgba(255,61,110,.08), transparent 62%),
    var(--bg-base);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text-1);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-soft);}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(255,61,110,.35);color:#fff;}
:focus-visible{outline:3px solid var(--struct-glow);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.scrolled{background:rgba(7,11,22,.92);}
.brand-row{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.5px;color:#fff;
  background:linear-gradient(135deg,var(--struct-blue),var(--accent));
  box-shadow:0 6px 18px rgba(43,92,230,.35);
  flex:none;
}
.brand-word{
  font-size:17px;font-weight:800;color:var(--text-1);
  letter-spacing:.2px;white-space:nowrap;line-height:1.2;
}
.nav-search{
  margin-left:auto;
  display:flex;align-items:center;gap:8px;
  min-width:300px;
  padding:5px 5px 5px 16px;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:999px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18);}
.nav-search i{font-size:13px;color:var(--text-3);}
.nav-search input{
  flex:1;background:transparent;border:0;outline:0;color:var(--text-1);
  font-size:14px;padding:6px 0;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:0;border-radius:999px;padding:7px 16px;
  font-size:13px;font-weight:600;color:#fff;
  background:rgba(43,92,230,.55);
  transition:background .18s ease;
}
.nav-search button:hover{background:rgba(43,92,230,.85);}
.brand-actions{display:flex;align-items:center;gap:10px;}
.btn-login{
  padding:9px 20px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--text-1);border:1px solid var(--line);
  background:transparent;transition:all .18s ease;
}
.btn-login:hover{border-color:var(--line-strong);color:var(--text-1);background:rgba(140,180,255,.08);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 22px;border-radius:999px;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 0 0 1px rgba(255,122,156,.5), 0 8px 24px rgba(255,61,110,.35);
  border:0;transition:transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn-accent:hover{
  color:#fff;transform:translateY(-1px);filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(255,122,156,.6), 0 10px 32px rgba(255,61,110,.5);
}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,122,156,.5), 0 4px 14px rgba(255,61,110,.4);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 22px;border-radius:12px;font-size:14px;font-weight:600;
  color:var(--text-1);background:transparent;border:1px solid var(--line);
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(140,180,255,.08);color:var(--text-1);}
.btn-ghost:active{transform:translateY(1px);}
.burger{
  display:none;width:44px;height:40px;border-radius:12px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  color:var(--text-1);font-size:16px;
}
.chan-row{
  border-top:1px solid var(--line);
  background:rgba(11,18,36,.55);
}
.chan-inner{
  height:52px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 48px),transparent 100%);
  mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 48px),transparent 100%);
}
.chan-inner::-webkit-scrollbar{display:none;}
.chan-pill{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid transparent;background:transparent;
  transition:all .18s ease;white-space:nowrap;
}
.chan-pill i{font-size:12px;}
.chan-pill:hover{color:var(--text-1);border-color:var(--line-strong);}
.chan-pill.active{
  color:#fff;border-color:var(--accent);
  background:rgba(255,61,110,.10);
  box-shadow:0 0 0 1px rgba(255,61,110,.18);
}
.mobile-panel{
  position:fixed;inset:0;z-index:1040;display:none;
  background:rgba(7,11,22,.97);
  backdrop-filter:blur(8px);
  padding:22px 20px 40px;overflow-y:auto;
}
.mobile-panel.open{display:block;}
.mp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.mp-close{
  width:44px;height:44px;border-radius:12px;background:var(--glass-bg);
  border:1px solid var(--glass-brd);color:var(--text-1);font-size:16px;
}
.mp-list{display:flex;flex-direction:column;gap:10px;margin-bottom:26px;}
.mp-list a{
  padding:14px 18px;border-radius:14px;font-size:16px;font-weight:600;
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--text-1);
}
.mp-list a.active{border-color:var(--accent);background:rgba(255,61,110,.12);}

/* ============ 通用排版 ============ */
.section{padding:96px 0;position:relative;}
.section.alt{background:var(--bg-panel);border-top:1px solid var(--line);}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:2px;color:var(--text-3);
  margin-bottom:14px;text-transform:uppercase;
}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(23px,2.6vw,33px);font-weight:700;line-height:1.3;margin-bottom:14px;}
.sec-head p{font-size:15px;color:var(--text-2);margin:0;}
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-card);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--accent-soft);}
.crumbs span.sep{color:var(--text-3);opacity:.7;}
.crumbs .current{color:var(--text-1);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:70px 0 78px;
  border-bottom:1px solid var(--line);
  background:var(--bg-base);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(7,11,22,.96) 0%, rgba(7,11,22,.86) 48%, rgba(7,11,22,.62) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;line-height:1.22;letter-spacing:-.5px;
  margin-bottom:18px;max-width:860px;
}
.page-hero h1 .hl{color:var(--accent-soft);}
.hero-desc{
  font-size:16px;color:var(--text-2);max-width:680px;margin-bottom:26px;
}
.hero-search{
  display:flex;align-items:center;gap:8px;
  max-width:600px;
  padding:6px 6px 6px 18px;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:999px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.hero-search:focus-within{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18);}
.hero-search i{color:var(--text-3);font-size:14px;}
.hero-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:0;
  color:var(--text-1);font-size:15px;padding:10px 0;
}
.hero-search input::placeholder{color:var(--text-3);}
.hero-search button{
  flex:none;border:0;border-radius:999px;padding:11px 22px;
  font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 0 0 1px rgba(255,122,156,.45), 0 6px 18px rgba(255,61,110,.32);
  transition:all .18s ease;
}
.hero-search button:hover{filter:brightness(1.07);box-shadow:0 0 0 1px rgba(255,122,156,.6), 0 10px 26px rgba(255,61,110,.46);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--text-2);border:1px solid var(--line);
  background:rgba(20,32,64,.42);transition:all .18s ease;
}
.tag-pill:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(140,180,255,.1);}

/* ============ 问题矩阵 ============ */
.matrix-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.mcard{
  display:flex;flex-direction:column;gap:12px;
  padding:26px 24px 24px;
  border-radius:var(--radius-card);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
  height:100%;
}
.mcard:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(24,38,72,.62);
  box-shadow:var(--shadow-float);
}
.mcard:hover h3{color:#fff;}
.m-ico{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;font-size:17px;
  color:var(--struct-glow);
  background:rgba(43,92,230,.14);
  border:1px solid rgba(91,140,255,.28);
  flex:none;
}
.mcard h3{font-size:18px;font-weight:700;transition:color .18s ease;}
.mcard p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0;}
.m-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--accent-soft);
}
.m-more i{transition:transform .2s ease;font-size:11px;}
.mcard:hover .m-more i{transform:translateX(4px);}

/* ============ 自查信息卡 ============ */
.checklist-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;}
.info-card{
  padding:34px 32px;border-radius:var(--radius-panel);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.info-card .ic-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.info-card .ic-head i{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-size:16px;color:var(--support);
  background:rgba(35,214,196,.12);border:1px solid rgba(35,214,196,.3);
}
.info-card h3{font-size:20px;}
.info-card .ic-sub{font-size:14px;color:var(--text-3);margin:0 0 18px;}
.check-list{display:flex;flex-direction:column;gap:2px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-top:1px dashed var(--line);
  font-size:15px;line-height:1.7;color:var(--text-2);
}
.check-list li:first-child{border-top:0;}
.check-list .num{
  flex:none;width:24px;height:24px;border-radius:8px;
  display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--struct-glow);
  background:rgba(43,92,230,.16);border:1px solid rgba(91,140,255,.26);
  margin-top:2px;font-variant-numeric:tabular-nums;
}
.check-list strong{color:var(--text-1);font-weight:600;}
.figure-card{
  border-radius:var(--radius-panel);overflow:hidden;
  border:1px solid var(--glass-brd);
  box-shadow:var(--shadow-card);
  background:linear-gradient(160deg, rgba(43,92,230,.18), rgba(255,61,110,.10));
  position:relative;
}
.figure-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;border-radius:0;}
.figure-card figcaption{
  position:absolute;left:18px;right:18px;bottom:18px;
  padding:14px 18px;border-radius:14px;
  background:rgba(11,18,36,.82);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(10px);
  font-size:13px;color:var(--text-2);line-height:1.7;
}
.figure-card figcaption b{color:var(--text-1);font-weight:600;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:44px;
}
.stat-item{
  padding:22px 20px;border-radius:var(--radius-card);
  background:var(--bg-elev);
  border:1px solid var(--line);
  text-align:center;
}
.stat-item .num{
  font-size:28px;font-weight:800;color:var(--text-1);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item .num em{font-style:normal;color:var(--accent-soft);font-size:16px;margin-left:2px;}
.stat-item .lbl{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item.acc-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease, background .2s ease;
}
.accordion-item.acc-item:hover{border-color:var(--line-strong);}
.accordion-item.acc-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--accent);
  background:rgba(28,22,44,.6);
}
.acc-item .accordion-button{
  background:transparent;
  color:var(--text-1);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:18px 54px 18px 20px;
  box-shadow:none;
  border:0;
}
.acc-item .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--text-1);
  box-shadow:none;
}
.acc-item .accordion-button:focus{box-shadow:none;outline:0;}
.acc-item .accordion-button:focus-visible{outline:3px solid var(--struct-glow);outline-offset:-3px;}
.acc-item .accordion-button::after{
  content:"";
  width:12px;height:12px;
  margin-left:auto;
  background-image:none;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg) translate(-2px,-2px);
  transition:transform .22s ease, border-color .22s ease;
  flex:none;
}
.acc-item .accordion-button:not(.collapsed)::after{
  border-color:var(--accent);
  transform:rotate(-135deg) translate(-2px,-2px);
}
.acc-item .accordion-body{
  padding:0 20px 20px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.acc-item .accordion-body p:last-child{margin-bottom:0;}
.acc-item .accordion-body ul{margin:10px 0 0;}
.acc-item .accordion-body li{
  position:relative;padding-left:18px;margin-bottom:8px;
}
.acc-item .accordion-body li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;background:var(--struct-glow);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-panel);
  padding:48px 44px;
  background:linear-gradient(120deg, rgba(43,92,230,.20), rgba(255,61,110,.14)), var(--bg-elev);
  border:1px solid var(--glass-brd);
  box-shadow:var(--shadow-card);
  display:flex;align-items:center;gap:32px;justify-content:space-between;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--accent),rgba(255,61,110,.15));
}
.cta-text{max-width:620px;position:relative;z-index:2;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.cta-text p{margin:0;font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-panel);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.8;color:var(--text-3);max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  color:var(--text-3);border:1px solid var(--line);background:rgba(20,32,64,.4);
  font-size:13px;transition:all .18s ease;
}
.footer-social a:hover{color:var(--accent-soft);border-color:var(--line-strong);transform:translateY(-2px);}
.footer-col h4,.footer-sub h4{
  font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:13px;color:var(--text-3);display:inline-block;
  transition:color .18s ease, transform .18s ease;
}
.footer-col ul li a:hover{color:var(--accent-soft);transform:translateX(-2px);}
.footer-sub p{font-size:13px;color:var(--text-3);line-height:1.8;margin-bottom:14px;}
.sub-box{
  display:flex;gap:8px;padding:5px;border-radius:12px;
  background:var(--bg-elev);border:1px solid var(--line);
  transition:border-color .2s ease;
}
.sub-box:focus-within{border-color:var(--struct-glow);}
.sub-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:0;
  color:var(--text-1);font-size:13px;padding:8px 10px;
}
.sub-box input::placeholder{color:var(--text-3);}
.sub-box button{
  flex:none;border:0;border-radius:9px;padding:8px 16px;
  font-size:13px;font-weight:600;color:#fff;
  background:rgba(43,92,230,.72);
  transition:background .18s ease;
}
.sub-box button:hover{background:var(--struct-blue);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 26px;
  text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:80px 0;}
  .footer-grid{grid-template-columns:1.2fr .8fr .8fr;gap:32px;}
  .footer-sub{grid-column:1/-1;}
  .checklist-wrap{grid-template-columns:1fr;}
  .figure-card img{aspect-ratio:16/9;}
}
@media (max-width:991px){
  .nav-search{display:none;}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .page-hero{padding:52px 0 58px;}
  .section{padding:68px 0;}
  .cta-band{padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{background-attachment:scroll;}
  .container{padding-left:18px;padding-right:18px;}
  .brand-row{height:56px;gap:12px;}
  .brand-word{font-size:15px;white-space:normal;line-height:1.25;max-width:150px;}
  .btn-login{display:none;}
  .btn-accent{padding:9px 16px;font-size:13px;}
  .burger{display:grid;place-items:center;}
  .chan-inner{height:48px;gap:6px;}
  .chan-pill{padding:6px 13px;font-size:13px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:30px;}
  .page-hero{padding:42px 0 48px;}
  .hero-desc{font-size:15px;}
  .hero-search{padding:5px 5px 5px 14px;}
  .hero-search button{padding:10px 16px;font-size:13px;}
  .matrix-grid{grid-template-columns:1fr;gap:16px;}
  .info-card{padding:24px 20px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-item{padding:18px 12px;}
  .stat-item .num{font-size:23px;}
  .acc-item .accordion-button{font-size:15px;padding:16px 46px 16px 16px;}
  .acc-item .accordion-body{padding:0 16px 18px;font-size:14px;}
  .cta-band{padding:28px 22px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{flex:1;min-height:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-bottom:34px;}
  .footer-brand{grid-column:1/-1;}
  .site-footer{padding-top:46px;}
  .figure-card figcaption{position:static;border-radius:0;border:0;border-top:1px solid var(--line);}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:auto;}
}
#matrix,#checklist,#faq,#consult{scroll-margin-top:130px;}

/* roulang page: category2 */
:root{
  --bg-base:#070B16;
  --bg-panel:#0B1224;
  --bg-elev:#101A33;
  --struct-blue:#2B5CE6;
  --struct-glow:#5B8CFF;
  --accent:#FF3D6E;
  --accent-soft:#FF7A9C;
  --support:#23D6C4;
  --text-1:#ECF1FF;
  --text-2:#A6B4D2;
  --text-3:#6E7C99;
  --line:rgba(122,160,255,.16);
  --line-strong:rgba(140,180,255,.30);
  --glass-bg:rgba(20,32,64,.55);
  --glass-brd:rgba(140,180,255,.22);
  --r-card:18px;
  --r-panel:22px;
  --r-input:12px;
  --shadow-card:0 18px 40px rgba(3,7,18,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-float:0 24px 60px rgba(3,7,18,.7);
  --header-h:116px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.1px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(760px 520px at 6% -8%, rgba(43,92,230,.16), transparent 70%),
    radial-gradient(820px 560px at 102% 104%, rgba(255,61,110,.09), transparent 72%);
}
h1,h2,h3,h4,h5{color:var(--text-1);margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(91,140,255,.7);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.site-header,.site-footer,main{position:relative;z-index:1;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,22,.9);
  box-shadow:0 14px 34px rgba(3,7,18,.55);
}
.brand-row{
  height:64px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--accent),#FF6A93);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(255,61,110,.35);
}
.brand-word{
  color:var(--text-1);
  font-size:17px;
  font-weight:800;
  letter-spacing:-.2px;
  white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;
  max-width:400px;
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
  padding:0 6px 0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--struct-glow);box-shadow:0 0 0 3px rgba(91,140,255,.18);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text-1);
  font-size:13.5px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-1);
  background:rgba(91,140,255,.16);
  border:1px solid rgba(91,140,255,.32);
  transition:background .18s ease,color .18s ease;
}
.nav-search button:hover{background:rgba(91,140,255,.3);color:#fff;}
.brand-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--text-1);
  font-size:13.5px;
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.btn-login:hover{border-color:var(--struct-glow);color:#fff;background:rgba(91,140,255,.12);transform:translateY(-1px);}
.btn-login:active{transform:translateY(1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:40px;
  padding:0 22px;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 0 0 1px rgba(255,122,156,.5), 0 8px 24px rgba(255,61,110,.35);
  transition:box-shadow .2s ease,transform .18s ease,filter .18s ease;
}
.btn-accent:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,122,156,.6), 0 10px 32px rgba(255,61,110,.5);transform:translateY(-1px);color:#fff;}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,122,156,.5), 0 4px 14px rgba(255,61,110,.38);}
.burger{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:16px;
  align-items:center;justify-content:center;
  background:rgba(20,32,64,.5);
}
.burger:hover{border-color:var(--line-strong);}
.chan-row{
  border-top:1px solid rgba(122,160,255,.09);
  position:relative;
}
.chan-inner{
  display:flex;
  align-items:center;
  gap:10px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.chan-inner::-webkit-scrollbar{display:none;}
.chan-pill{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid transparent;
  color:var(--text-2);
  font-size:13.5px;
  white-space:nowrap;
  transition:all .18s ease;
}
.chan-pill i{font-size:12px;opacity:.8;}
.chan-pill:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(91,140,255,.08);}
.chan-pill.active{
  color:#fff;
  border-color:rgba(255,61,110,.7);
  background:rgba(255,61,110,.10);
  box-shadow:0 0 18px rgba(255,61,110,.18) inset;
}

/* 移动导航面板 */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:1100;
  display:none;
  flex-direction:column;
  padding:22px 22px 34px;
  background:rgba(7,11,22,.94);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
}
.mobile-panel.open{display:flex;}
.mp-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.mp-close{
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);color:var(--text-1);
  display:grid;place-items:center;font-size:16px;
}
.mp-nav{display:flex;flex-direction:column;gap:6px;padding:22px 0;flex:1;overflow-y:auto;}
.mp-nav a{
  padding:14px 16px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15px;
  border:1px solid transparent;
}
.mp-nav a:hover,.mp-nav a.active{
  color:#fff;
  border-color:rgba(255,61,110,.55);
  background:rgba(255,61,110,.1);
}
.mp-actions{display:flex;flex-direction:column;gap:12px;}
.mp-actions .btn-login,.mp-actions .btn-accent{width:100%;height:46px;font-size:15px;}

/* ============ 页头 ============ */
.page-head{
  padding:52px 0 56px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,36,.7),rgba(7,11,22,0));
}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:22px;flex-wrap:wrap;
}
.breadcrumb-nav a:hover{color:var(--accent-soft);}
.breadcrumb-nav .sep{font-size:10px;color:var(--text-3);opacity:.7;}
.breadcrumb-nav .cur{color:var(--text-1);}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:2px;
  color:var(--text-3);
  margin-bottom:14px;
  text-transform:uppercase;
}
.page-head h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.5px;
  max-width:900px;
}
.page-lede{
  margin-top:18px;
  max-width:760px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-pills span{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(20,32,64,.45);
  font-size:12.5px;
  color:var(--text-2);
}
.hero-pills i{color:var(--support);font-size:11px;}

/* ============ 文档布局 ============ */
.doc-section{padding:64px 0 72px;}
.doc-layout{display:block;}
.doc-toc{display:none;}
.doc-body{display:flex;flex-direction:column;gap:56px;}
.content-block{scroll-margin-top:150px;}
.content-block h2{
  position:relative;
  font-size:clamp(23px,2.6vw,32px);
  font-weight:700;
  line-height:1.32;
  padding-left:16px;
  margin-bottom:18px;
}
.content-block h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--accent),rgba(255,61,110,.15));
}
.content-block > p{
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  max-width:840px;
}
.content-block > p + p{margin-top:14px;}
.block-figure{
  margin-top:26px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#0d1730,#0a1022);
  position:relative;
}
.block-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.block-figure:hover img{transform:scale(1.02);}
.block-figure figcaption{
  padding:12px 18px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
}
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:26px;
}
.point-card{
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--glass-brd);
  background:var(--glass-bg);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease;
}
.point-card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.pc-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.pc-head i{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:10px;
  font-size:13px;
  color:var(--struct-glow);
  background:rgba(43,92,230,.16);
  border:1px solid rgba(91,140,255,.26);
  flex-shrink:0;
}
.pc-head h3{font-size:17px;font-weight:600;}
.point-card p{font-size:14.5px;line-height:1.75;color:var(--text-2);}
.price-line{
  display:flex;align-items:baseline;gap:6px;
  margin:6px 0 10px;
  font-variant-numeric:tabular-nums;
}
.price-line .cur{font-size:15px;color:var(--accent-soft);font-weight:700;}
.price-line .num{font-size:34px;font-weight:800;color:var(--text-1);letter-spacing:-1px;line-height:1;}
.price-line .unit{font-size:13px;color:var(--text-3);}
.pc-list{margin-top:12px;display:flex;flex-direction:column;gap:0;}
.pc-list li{
  display:flex;align-items:flex-start;gap:9px;
  padding:9px 0;
  font-size:14px;
  color:var(--text-2);
  border-top:1px dashed rgba(122,160,255,.14);
}
.pc-list li:first-child{border-top:0;}
.pc-list i{color:var(--support);font-size:12px;margin-top:6px;flex-shrink:0;}
.tip-inline{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:22px;
  padding:14px 18px;
  border-radius:12px;
  border:1px solid rgba(255,61,110,.28);
  background:rgba(255,61,110,.07);
  font-size:14px;
  color:var(--text-2);
}
.tip-inline i{color:var(--accent-soft);margin-top:5px;font-size:13px;}

/* 权益速览玻璃卡 */
.benefits-glass{
  padding:32px;
  border-radius:var(--r-panel);
  border:1px solid var(--glass-brd);
  background:linear-gradient(160deg,rgba(16,26,51,.86),rgba(11,18,36,.7));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-float);
  scroll-margin-top:150px;
}
.benefits-glass .bg-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:24px;
}
.benefits-glass h2{
  font-size:clamp(20px,2.2vw,26px);
  display:flex;align-items:center;gap:12px;
}
.benefits-glass h2 i{color:var(--support);font-size:18px;}
.benefits-glass .bg-head span{font-size:13px;color:var(--text-3);}
.bg-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.bg-item{
  padding:18px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(7,11,22,.5);
}
.bg-item .val{
  font-size:28px;
  font-weight:800;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
  line-height:1.1;
}
.bg-item .val small{font-size:13px;color:var(--text-3);font-weight:500;margin-left:4px;}
.bg-item .lab{font-size:13px;color:var(--text-3);margin-top:8px;}

/* ============ FAQ ============ */
.faq-section{padding:72px 0;background:var(--bg-panel);border-top:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head .eyebrow{margin-bottom:12px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.3px;}
.sec-head p{margin-top:12px;font-size:15px;color:var(--text-2);}
.accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd) !important;
  border-radius:12px !important;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(14px);
  transition:border-color .2s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(255,61,110,.55) !important;}
.accordion-button{
  background:transparent !important;
  color:var(--text-1) !important;
  font-size:15.5px;
  font-weight:600;
  padding:18px 22px;
  box-shadow:none !important;
  display:flex;
  align-items:center;
  gap:14px;
}
.accordion-button:focus{box-shadow:none !important;outline:none;}
.accordion-button::after{
  content:"+" !important;
  background-image:none !important;
  width:26px;height:26px;
  flex-shrink:0;
  margin-left:auto;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:16px;
  font-weight:500;
  line-height:1;
  transform:none !important;
  transition:all .2s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"−" !important;
  color:var(--accent-soft);
  border-color:rgba(255,61,110,.6);
  background:rgba(255,61,110,.12);
}
.accordion-button:not(.collapsed){color:var(--accent-soft) !important;}
.accordion-body{
  padding:0 22px 20px;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-section{padding:72px 0 80px;}
.cta-band{
  position:relative;
  padding:44px;
  border-radius:var(--r-panel);
  border:1px solid var(--glass-brd);
  background:
    linear-gradient(140deg,rgba(16,26,51,.9),rgba(11,18,36,.75));
  overflow:hidden;
  box-shadow:var(--shadow-float);
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:linear-gradient(180deg,var(--accent),rgba(255,61,110,.2));
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,110,.18),transparent 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);max-width:640px;line-height:1.35;}
.cta-band p{margin-top:14px;max-width:620px;font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  color:var(--text-1);
  font-size:14.5px;
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--struct-glow);background:rgba(91,140,255,.12);transform:translateY(-1px);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.cta-actions .btn-accent{height:46px;padding:0 28px;font-size:14.5px;border-radius:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-panel);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .9fr .9fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-3);
  font-size:14px;
  transition:all .18s ease;
}
.footer-social a:hover{color:var(--accent-soft);border-color:rgba(255,61,110,.5);transform:translateY(-2px);}
.footer-col h4,.footer-sub h4{
  font-size:14px;font-weight:600;color:var(--text-1);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:13px;color:var(--text-3);
  display:inline-block;
  transition:all .18s ease;
}
.footer-col a:hover{color:var(--accent-soft);transform:translateX(2px);}
.footer-sub p{font-size:13px;color:var(--text-3);line-height:1.75;margin-bottom:14px;}
.sub-box{
  display:flex;
  gap:8px;
  padding:6px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--bg-elev);
}
.sub-box input{
  flex:1;min-width:0;
  background:transparent;border:0;outline:none;
  color:var(--text-1);font-size:13px;padding:0 8px;
}
.sub-box input::placeholder{color:var(--text-3);}
.sub-box button{
  height:34px;padding:0 16px;
  border-radius:8px;
  font-size:13px;
  color:#fff;
  background:linear-gradient(135deg,#FF3D6E,#FF6A93);
  box-shadow:0 6px 18px rgba(255,61,110,.3);
  transition:filter .18s ease,transform .18s ease;
}
.sub-box button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  text-align:center;
  font-size:12px;
  color:var(--text-3);
  line-height:1.9;
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .doc-layout{
    display:grid;
    grid-template-columns:260px minmax(0,1fr);
    gap:48px;
    align-items:start;
  }
  .doc-toc{
    display:block;
    position:sticky;
    top:calc(var(--header-h) + 28px);
    padding:22px 18px;
    border-radius:var(--r-card);
    border:1px solid var(--glass-brd);
    background:var(--glass-bg);
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow-card);
  }
  .doc-toc .toc-title{
    font-size:12px;letter-spacing:2px;color:var(--text-3);
    margin-bottom:14px;
  }
  .doc-toc a{
    position:relative;
    display:block;
    padding:9px 0 9px 14px;
    font-size:14px;
    color:var(--text-2);
    border-left:2px solid transparent;
    transition:all .18s ease;
  }
  .doc-toc a:hover{color:var(--text-1);}
  .doc-toc a.active{
    color:#fff;
    border-left-color:var(--accent);
    background:linear-gradient(90deg,rgba(255,61,110,.12),transparent 80%);
  }
  .toc-mobile{display:none;}
}
@media (max-width:1199px){
  .bg-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .toc-mobile{
    display:flex;
    gap:10px;
    overflow-x:auto;
    scrollbar-width:none;
    padding-bottom:6px;
    margin-bottom:6px;
  }
  .toc-mobile::-webkit-scrollbar{display:none;}
  .toc-mobile a{
    flex-shrink:0;
    height:32px;
    padding:0 14px;
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    border:1px solid var(--line);
    font-size:13px;
    color:var(--text-2);
    white-space:nowrap;
  }
  .toc-mobile a:hover{color:#fff;border-color:var(--line-strong);}
}
@media (max-width:991px){
  .nav-search{max-width:260px;}
  .page-head{padding:40px 0 44px;}
  .doc-section{padding:48px 0 56px;}
  .doc-body{gap:46px;}
  .point-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 26px;}
  .benefits-glass{padding:26px 22px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .brand-row{height:56px;gap:12px;}
  .brand-mark{width:30px;height:30px;font-size:12.5px;border-radius:9px;}
  .brand-word{font-size:15px;}
  .nav-search{display:none;}
  .brand-actions{margin-left:auto;}
  .btn-login{display:none;}
  .burger{display:inline-flex;}
  .chan-inner{height:48px;gap:8px;}
  .chan-row::after{
    content:"";
    position:absolute;
    right:0;top:0;bottom:0;
    width:56px;
    pointer-events:none;
    background:linear-gradient(90deg,rgba(7,11,22,0),rgba(7,11,22,.92));
    display:block;
  }
  .site-header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
  .page-head h1{font-size:30px;line-height:1.26;}
  .page-lede{font-size:15px;}
  .content-block h2{font-size:23px;padding-left:14px;}
  .content-block > p{font-size:15px;}
  .bg-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .bg-item{padding:14px;}
  .bg-item .val{font-size:23px;}
  .point-card{padding:18px;}
  .accordion-button{padding:15px 16px;font-size:14.5px;}
  .accordion-body{padding:0 16px 16px;font-size:14px;}
  .faq-section{padding:52px 0;}
  .cta-section{padding:52px 0 60px;}
  .cta-actions .btn-accent,.btn-ghost{width:100%;min-height:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:100%;}
  .footer-sub{grid-column:1 / -1;}
  .mobile-panel{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
}
@media (max-width:520px){
  .bg-grid{grid-template-columns:1fr;}
  .hero-pills span{font-size:12px;height:30px;padding:0 12px;}
  .price-line .num{font-size:30px;}
}