/* roulang page: index */
:root{
  --bg:#060A12;
  --bg-panel:#0D1522;
  --primary:#2EE6C5;
  --accent:#FF7A45;
  --violet:#7C8CF8;
  --text:#EAF2F8;
  --muted:#9FB0C0;
  --faint:#6B7C8C;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --r-card:18px;
  --r-panel:24px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --sh-1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 0 0 1px rgba(46,230,197,.45), 0 10px 30px -8px rgba(46,230,197,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-primary:#2EE6C5;
  --bs-body-bg:#060A12;
  --bs-body-color:#EAF2F8;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:18px;
  --bs-link-color:#2EE6C5;
  --bs-link-hover-color:#7C8CF8;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  min-height:100%;
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 8% 0%, rgba(18,50,65,.72), transparent 62%),
    radial-gradient(760px 520px at 96% 6%, rgba(124,140,248,.12), transparent 62%),
    radial-gradient(900px 700px at 50% 100%, rgba(46,230,197,.05), transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(46,230,197,.3);color:#fff;}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media(max-width:1400px){.wrap{max-width:1180px;}}
@media(max-width:1200px){.wrap{max-width:960px;}}
@media(max-width:992px){.wrap{max-width:100%;padding:0 20px;}}
@media(max-width:576px){.wrap{padding:0 16px;}}

.section{padding:88px 0;position:relative;}
.section.tight{padding-top:0;}
@media(max-width:768px){.section{padding:56px 0;}}

.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-kicker{display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:600;color:var(--primary);margin-bottom:10px;}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.sec-sub{color:var(--muted);font-size:15px;margin-top:12px;max-width:660px;line-height:1.8;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);padding:9px 18px;border-radius:var(--r-pill);border:1px solid rgba(46,230,197,.3);background:rgba(46,230,197,.06);white-space:nowrap;}
.link-more:hover{background:rgba(46,230,197,.14);color:var(--primary);transform:translateX(2px);}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:1040;display:flex;justify-content:center;padding:16px 16px 0;pointer-events:none;}
.dock{
  pointer-events:auto;position:relative;width:min(1180px,92vw);
  display:flex;align-items:center;gap:14px;
  padding:10px 12px 10px 18px;border-radius:var(--r-pill);
  background:rgba(13,21,34,.70);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.06);
  transition:padding .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.dock.scrolled{padding:7px 12px 7px 18px;background:rgba(8,13,22,.90);box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.07);}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:15px;color:var(--primary);background:linear-gradient(140deg,rgba(46,230,197,.24),rgba(124,140,248,.22));border:1px solid rgba(46,230,197,.35);}
.logo-text{font-weight:700;font-size:15px;white-space:nowrap;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-weight:500;font-size:13px;color:var(--muted);margin-left:5px;}
.dock-nav{margin-left:auto;}
.dock-menu{display:flex;align-items:center;gap:4px;}
.dock-menu a{position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);font-size:14px;color:var(--muted);white-space:nowrap;}
.dock-menu a:hover{color:var(--text);background:var(--glass);}
.dock-menu a.active{color:var(--text);background:rgba(46,230,197,.10);}
.dock-menu a.active::before{content:'';position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}
.dock-actions{display:flex;align-items:center;gap:10px;}
.dock-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);color:var(--muted);font-size:14px;}
.dock-icon:hover{color:var(--primary);border-color:rgba(46,230,197,.5);background:rgba(46,230,197,.08);}
.dock-burger{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;place-items:center;}
.dock-drawer{display:none;}

.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:none;cursor:pointer;
  font-size:14px;font-weight:600;color:#04140F;
  background:linear-gradient(135deg,#3BF0D0,#1FC9AC);
  box-shadow:var(--sh-glow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04140F;box-shadow:0 0 0 1px rgba(46,230,197,.6),0 14px 36px -8px rgba(46,230,197,.7);}
.btn-glow:active{transform:translateY(0);}
.btn-glow.sm{padding:9px 18px;font-size:13px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);cursor:pointer;
  font-size:14px;font-weight:600;color:var(--text);
  background:transparent;border:1px solid rgba(255,255,255,.20);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);background:rgba(46,230,197,.08);color:var(--primary);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:162px 0 76px;overflow:hidden;isolation:isolate;}
.hero::before{
  content:'';position:absolute;inset:0;z-index:-2;
  background-image:
    linear-gradient(180deg,rgba(6,10,18,.74) 0%,rgba(6,10,18,.88) 55%,rgba(6,10,18,.97) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 32%;
}
.hero::after{
  content:'';position:absolute;inset:0;z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 70% 62% at 50% 34%,#000,transparent 78%);
  mask-image:radial-gradient(ellipse 70% 62% at 50% 34%,#000,transparent 78%);
}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;color:var(--primary);background:rgba(46,230,197,.08);border:1px solid rgba(46,230,197,.28);margin-bottom:22px;}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1.15;letter-spacing:-.01em;margin-bottom:20px;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:610px;margin-bottom:32px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.data-panel{
  padding:26px;border-radius:var(--r-panel);
  background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh-2);
}
.panel-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:16px;}
.dot-live{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-size:12px;}
.dot-live::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.panel-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);}
.panel-row:last-of-type{border-bottom:none;}
.panel-row b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:15px;font-weight:600;color:var(--text);}
.panel-row b.hl{color:var(--primary);}
.mini-chart{display:flex;align-items:flex-end;gap:6px;height:58px;margin-top:18px;}
.mini-chart i{flex:1;display:block;border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,rgba(46,230,197,.85),rgba(46,230,197,.16));}
.mini-chart i.dim{background:linear-gradient(180deg,rgba(124,140,248,.65),rgba(124,140,248,.12));}
.chart-cap{display:flex;justify-content:space-between;font-size:11px;color:var(--faint);margin-top:8px;letter-spacing:.04em;}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:58px;padding-top:30px;border-top:1px solid var(--line);}
.hm-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;line-height:1.2;}
.hm-num span{font-size:14px;font-weight:500;color:var(--primary);margin-left:5px;}
.hm-label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- 指标看板 ---------- */
.metric-card{
  position:relative;height:100%;padding:26px;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10),var(--sh-1);
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.metric-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),rgba(46,230,197,0));}
.metric-card.alt::before{background:linear-gradient(90deg,var(--violet),rgba(124,140,248,0));}
.metric-card.alt2::before{background:linear-gradient(90deg,var(--accent),rgba(255,122,69,0));}
.metric-card:hover{transform:translateY(-4px);background:var(--glass-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),var(--sh-2);}
.metric-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:44px;font-weight:700;line-height:1.05;color:var(--primary);text-shadow:0 0 26px rgba(46,230,197,.32);}
.metric-card.alt .metric-num{color:var(--violet);text-shadow:0 0 26px rgba(124,140,248,.30);}
.metric-card.small .metric-num{font-size:34px;}
.metric-num u{text-decoration:none;font-size:16px;font-weight:500;color:var(--muted);margin-left:4px;}
.metric-title{font-size:15px;font-weight:600;margin-top:14px;}
.metric-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-top:6px;}
.trend{display:flex;align-items:flex-end;gap:3px;height:22px;margin-top:16px;}
.trend i{display:block;width:5px;border-radius:2px;background:rgba(46,230,197,.35);}
.trend i.on{background:var(--primary);}
.metric-card.alt .trend i{background:rgba(124,140,248,.32);}
.metric-card.alt .trend i.on{background:var(--violet);}

/* ---------- 服务矩阵 Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-big{
  grid-column:span 4;grid-row:span 2;position:relative;min-height:440px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);
}
.bento-big img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:brightness(.52) saturate(1.05) hue-rotate(-8deg);}
.bento-big::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(6,10,18,.15) 10%,rgba(6,10,18,.92) 88%);}
.bento-big > *{position:relative;z-index:2;}
.bento-big h3{font-size:24px;font-weight:700;margin-bottom:12px;}
.bento-big p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:20px;}
.bento-sm{
  grid-column:span 4;display:flex;flex-direction:column;
  padding:24px;border-radius:var(--r-card);
  background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.bento-sm:hover{transform:translateY(-4px);background:var(--glass-strong);border-color:rgba(46,230,197,.30);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh-2);}
.icon-box{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:17px;color:var(--primary);background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.26);margin-bottom:16px;}
.icon-box.violet{color:var(--violet);background:rgba(124,140,248,.10);border-color:rgba(124,140,248,.28);}
.icon-box.orange{color:var(--accent);background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.28);}
.bento-sm h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.bento-sm p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.bento-sm .card-link{margin-top:auto;padding-top:18px;font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:7px;}

/* ---------- 结果对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{padding:30px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);}
.compare-col.risk{border-color:rgba(255,122,69,.28);background:rgba(255,122,69,.05);}
.compare-col h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.compare-col h3 i{font-size:16px;color:var(--primary);}
.compare-col.risk h3 i{color:var(--accent);}
.compare-col .col-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.compare-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.7;}
.compare-list li:last-child{border-bottom:none;}
.compare-list li i{margin-top:5px;font-size:14px;color:var(--primary);flex-shrink:0;}
.compare-col.risk .compare-list li i{color:var(--accent);}
.compare-list li strong{color:var(--text);font-weight:600;}
.conclusion{margin-top:24px;display:flex;align-items:center;gap:14px;padding:18px 26px;border-radius:var(--r-pill);background:rgba(46,230,197,.08);border:1px solid rgba(46,230,197,.25);font-size:14px;color:var(--text);}
.conclusion i{color:var(--primary);font-size:16px;}

/* ---------- 最新信息 CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);background:var(--glass-strong);border-color:rgba(46,230,197,.28);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh-2);color:inherit;}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.post-thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(.94) contrast(1.02) hue-rotate(-4deg);transition:transform .4s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:18px;font-size:12px;color:var(--faint);}
.badge-cat{display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;color:var(--primary);background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.24);}
.news-grid .post-card:first-child{grid-column:span 2;grid-row:span 2;}
.news-grid .post-card:first-child .post-thumb{aspect-ratio:16/9;}
.news-grid .post-card:first-child .post-body h3{font-size:22px;-webkit-line-clamp:2;}
.news-grid .post-card:first-child .post-body p{-webkit-line-clamp:3;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border-radius:var(--r-panel);
  background:var(--glass);border:1px dashed rgba(255,255,255,.18);
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.85;}
.empty-state .es-title{font-size:17px;font-weight:600;margin-top:16px;}
.empty-state .es-sub{font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.timeline::before{content:'';position:absolute;top:44px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,transparent,rgba(46,230,197,.35),transparent);}
.tl-step{position:relative;padding:26px 22px;border-radius:var(--r-card);background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);transition:transform .22s var(--ease),border-color .22s var(--ease);}
.tl-step:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.3);}
.tl-num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--primary);background:rgba(46,230,197,.12);border:1px solid rgba(46,230,197,.35);margin-bottom:16px;}
.tl-step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tl-step p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{background:var(--glass);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  position:relative;width:100%;text-align:left;background:transparent;border:none;
  color:var(--text);font-size:15.5px;font-weight:600;padding:19px 54px 19px 22px;box-shadow:none;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary);background:rgba(46,230,197,.05);}
.faq-acc .accordion-button::before{content:'';position:absolute;left:0;top:15px;bottom:15px;width:3px;border-radius:3px;background:var(--primary);opacity:0;transition:opacity .22s var(--ease);}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-button::after{
  content:'\f107';font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;
  background-image:none;position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;color:var(--primary);transition:transform .22s var(--ease);opacity:.85;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg);}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- 转化表单 ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.contact-copy h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.3;margin-bottom:18px;}
.contact-copy p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:22px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);padding:10px 0;}
.point-list i{color:var(--primary);margin-top:5px;font-size:13px;}
.form-card{
  padding:32px;border-radius:var(--r-panel);
  background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10),var(--sh-2);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.field .req{color:var(--accent);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:12px 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  font-size:14px;outline:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field select{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%239FB0C0' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px;
  padding-right:40px;
}
.field select option{background:#0D1522;color:var(--text);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:rgba(46,230,197,.04);box-shadow:0 0 0 3px rgba(46,230,197,.18);}
.field input::placeholder,.field textarea::placeholder{color:var(--faint);}
.field.error input,.field.error select,.field.error textarea{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,69,.15);}
.err-msg{display:none;font-size:12.5px;color:var(--accent);margin-top:7px;}
.field.error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{width:18px;height:18px;min-height:18px;margin-top:3px;flex-shrink:0;accent-color:#2EE6C5;border-radius:5px;}
.check-row.error{color:var(--accent);}
.form-card .btn-glow{width:100%;padding:14px 24px;font-size:15px;}
.form-note{font-size:12.5px;color:var(--faint);margin-top:14px;text-align:center;}
.form-msg{display:none;margin-top:18px;padding:14px 18px;border-radius:var(--r-input);font-size:13.5px;line-height:1.7;}
.form-msg.ok{display:block;color:var(--primary);background:rgba(46,230,197,.08);border:1px solid rgba(46,230,197,.3);}
.form-msg.bad{display:block;color:var(--accent);background:rgba(255,122,69,.08);border:1px solid rgba(255,122,69,.3);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:20px;padding:64px 0 30px;border-radius:var(--r-panel) var(--r-panel) 0 0;background:rgba(255,255,255,.045);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.12);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-grid h3{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--text);margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:330px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:var(--muted);display:inline-block;}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--faint);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(46,230,197,.35);
  background:rgba(13,21,34,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  color:var(--primary);display:grid;place-items:center;cursor:pointer;font-size:15px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),box-shadow .22s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--sh-glow);}

/* ---------- 响应式 ---------- */
@media(max-width:1200px){
  .bento-big{grid-column:span 12;grid-row:auto;min-height:360px;}
  .bento-sm{grid-column:span 6;}
}
@media(max-width:991px){
  .dock-menu{display:none;}
  .dock-burger{display:grid;}
  .dock-actions .btn-glow.sm{display:none;}
  .dock-drawer{position:absolute;top:calc(100% + 10px);left:0;right:0;display:none;padding:12px;border-radius:20px;background:rgba(10,16,26,.97);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--line);box-shadow:var(--sh-2);}
  .dock.open .dock-drawer{display:block;}
  .dock-drawer a{display:block;padding:13px 15px;border-radius:12px;font-size:15px;color:var(--muted);}
  .dock-drawer a:hover,.dock-drawer a.active{background:rgba(46,230,197,.10);color:var(--text);}
  .hero{padding:136px 0 60px;}
  .hero-sub{font-size:16px;}
  .contact-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr 1fr;}
  .timeline::before{display:none;}
  .news-grid .post-card:first-child{grid-column:span 3;grid-row:auto;}
}
@media(max-width:768px){
  .hero-metrics{grid-template-columns:1fr 1fr;gap:20px;margin-top:42px;}
  .bento-sm{grid-column:span 12;}
  .news-grid{grid-template-columns:1fr;}
  .news-grid .post-card:first-child{grid-column:span 1;}
  .news-grid .post-card:first-child .post-body h3{font-size:18px;}
  .metric-num{font-size:36px;}
  .metric-card.small .metric-num{font-size:30px;}
  body{font-size:15px;line-height:1.8;}
}
@media(max-width:576px){
  .hero{padding:126px 0 52px;}
  .hero h1{font-size:28px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;}
  .hero-metrics{grid-template-columns:1fr;}
  .metric-card,.bento-sm,.tl-step,.compare-col,.form-card{padding:20px;}
  .bento-big{padding:24px;min-height:320px;}
  .bento-big h3{font-size:20px;}
  .conclusion{border-radius:18px;padding:16px 18px;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;}
  .sec-head{margin-bottom:28px;}
}

/* roulang page: article */
:root{
  --bs-primary:#2EE6C5;
  --bs-primary-rgb:46,230,197;
  --bs-body-bg:#060A12;
  --bs-body-color:#EAF2F8;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:18px;
  --bs-link-color:#2EE6C5;
  --bs-link-hover-color:#7FF3DC;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;

  --bg:#060A12;
  --panel:#0D1522;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --primary:#2EE6C5;
  --primary-dim:rgba(46,230,197,.14);
  --accent:#FF7A45;
  --violet:#7C8CF8;
  --text:#EAF2F8;
  --muted:#9FB0C0;
  --dim:#6B7C8C;
  --r-card:18px;
  --r-panel:24px;
  --r-pill:999px;
  --r-input:12px;
  --sh-static:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-hover:0 18px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 0 0 1px rgba(46,230,197,.45),0 10px 30px -8px rgba(46,230,197,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-num:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(18,50,65,.62), transparent 62%),
    radial-gradient(940px 540px at 88% 2%, rgba(124,140,248,.12), transparent 64%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 顶部 Dock ============ */
.site-head{
  position:sticky;top:0;z-index:1040;
  padding:18px 0 10px;
}
.dock{
  width:min(1180px,92vw);
  margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:12px 18px;
  border-radius:var(--r-pill);
  background:rgba(13,21,34,.74);
  border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  box-shadow:var(--sh-hover);
  transition:padding 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.dock.is-condensed{
  padding:8px 16px;
  background:rgba(8,13,22,.92);
  box-shadow:0 20px 44px -18px rgba(0,0,0,.85);
}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(46,230,197,.24),rgba(124,140,248,.22));
  border:1px solid rgba(46,230,197,.4);
  color:var(--primary);font-size:16px;
  box-shadow:0 0 18px -6px rgba(46,230,197,.6);
}
.logo-text{
  font-size:17px;font-weight:700;letter-spacing:.01em;color:#fff;white-space:nowrap;
}
.logo-text em{font-style:normal;color:var(--primary);font-size:13px;font-weight:600;margin-left:6px;letter-spacing:.04em;}
.dock-nav{margin-left:8px;}
.dock-menu{display:flex;align-items:center;gap:4px;}
.dock-menu a{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.dock-menu a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.dock-menu a.active{color:#fff;background:var(--primary-dim);}
.dock-menu a.active::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(46,230,197,.95);
}
.dock-side{margin-left:auto;display:flex;align-items:center;gap:10px;}
.dock-icon{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);
  transition:all 220ms var(--ease);
}
.dock-icon:hover{color:var(--primary);border-color:rgba(46,230,197,.45);background:rgba(46,230,197,.08);}
.dock-toggle{
  width:40px;height:40px;border-radius:50%;display:none;
  align-items:center;justify-content:center;color:var(--text);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
}
.dock-toggle:hover{border-color:rgba(46,230,197,.5);color:var(--primary);}
.search-bar{
  width:min(1180px,92vw);margin:10px auto 0;
  display:none;gap:10px;align-items:center;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(13,21,34,.82);border:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.search-bar.is-open{display:flex;}
.search-bar input{
  flex:1;background:transparent;border:0;color:var(--text);font-size:14px;outline:none;
}
.search-bar input::placeholder{color:var(--dim);}
.search-bar span{color:var(--dim);font-size:13px;white-space:nowrap;}

/* 抽屉 */
.dock-drawer{
  position:fixed;inset:0;z-index:1200;
  background:rgba(4,7,13,.74);
  backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;
  transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.dock-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(320px,86vw);
  padding:26px 22px;
  background:linear-gradient(180deg,rgba(13,21,34,.98),rgba(6,10,18,.98));
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;gap:22px;
}
.dock-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid var(--line-soft);
}
.drawer-menu{display:flex;flex-direction:column;gap:6px;}
.drawer-menu a{
  display:block;padding:13px 14px;border-radius:14px;
  color:var(--muted);font-size:15px;
  border:1px solid transparent;
  transition:all 200ms var(--ease);
}
.drawer-menu a:hover,.drawer-menu a.active{
  color:#fff;background:rgba(46,230,197,.09);border-color:rgba(46,230,197,.28);
}

/* ============ 按钮 ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  color:#04140F;
  background:linear-gradient(135deg,#2EE6C5,#25C9B4);
  box-shadow:var(--sh-glow);
  transition:transform 220ms var(--ease),filter 220ms var(--ease),box-shadow 220ms var(--ease);
  white-space:nowrap;
}
.btn-glow:hover{
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(46,230,197,.55),0 14px 34px -8px rgba(46,230,197,.7);
}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:all 220ms var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:rgba(46,230,197,.6);
  background:rgba(46,230,197,.08);
  color:#fff;
}
.btn-sm{padding:10px 18px;font-size:13px;}
.btn-block{width:100%;}

/* ============ 文章区 ============ */
.page-head{padding:26px 0 88px;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--dim);margin-bottom:22px;
}
.crumbs a{color:var(--muted);transition:color 200ms var(--ease);}
.crumbs a:hover{color:var(--primary);}
.crumbs i{font-size:10px;color:var(--dim);}

.article-shell{
  width:min(760px,100%);
  margin:0 auto;
}
.article-hero{
  padding-bottom:26px;
  border-bottom:1px solid var(--line-soft);
  margin-bottom:34px;
}
.badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  color:var(--primary);
  background:rgba(46,230,197,.10);
  border:1px solid rgba(46,230,197,.30);
}
.article-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.22;
  margin:18px 0 20px;
  color:#fff;
  letter-spacing:-.02em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13.5px;color:var(--muted);
}
.article-meta i{color:var(--primary);margin-right:5px;font-size:13px;}
.article-meta .dot{
  width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);
}

.article-body{
  font-size:16px;
  line-height:1.85;
  color:#DCE7F1;
  overflow-wrap:break-word;
}
.article-body h2{
  font-size:clamp(22px,2.6vw,28px);
  line-height:1.4;color:#fff;
  margin:2.1em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--primary);
  letter-spacing:-.01em;
}
.article-body h3{
  font-size:20px;color:#fff;
  margin:1.8em 0 .6em;
}
.article-body h4{font-size:17px;color:#E6EFF7;margin:1.5em 0 .5em;}
.article-body p{margin:0 0 1.2em;}
.article-body strong{color:#fff;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.55em;}
.article-body li::marker{color:var(--primary);}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(46,230,197,.35);
  transition:all 200ms var(--ease);
}
.article-body a:hover{color:#fff;border-bottom-color:#fff;}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;
  border-radius:16px;
  background:rgba(46,230,197,.06);
  border:1px solid rgba(46,230,197,.22);
  color:#CFE6E2;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;margin:1.5em 0;
  border-radius:16px;border:1px solid var(--line);
  filter:saturate(.94) brightness(.96);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:13px;color:var(--dim);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;
  border-radius:14px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border:1px solid var(--line);
  text-align:left;
}
.article-body th{background:rgba(255,255,255,.06);color:#fff;font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.025);}
.article-body code{
  font-family:var(--font-num);
  font-size:.92em;
  padding:2px 7px;border-radius:6px;
  background:rgba(255,255,255,.08);color:#9FF2E2;
}
.article-body pre{
  margin:1.6em 0;padding:18px;
  border-radius:14px;overflow-x:auto;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-soft);
}
.article-body hr{
  border:0;height:1px;background:var(--line-soft);margin:2.4em 0;
}

.article-empty{
  text-align:center;
  padding:64px 28px;
  border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.article-empty i{font-size:34px;color:var(--primary);}
.article-empty h2{font-size:22px;margin:18px 0 10px;color:#fff;}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:24px;}

.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:38px 0 26px;
  padding-top:26px;
  border-top:1px solid var(--line-soft);
}
.article-tags .tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;
  color:var(--muted);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-soft);
  transition:all 200ms var(--ease);
}
.article-tags .tag:hover{color:var(--primary);border-color:rgba(46,230,197,.4);}
.share-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--dim);
}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);
  transition:all 220ms var(--ease);
}
.share-btn:hover{color:var(--primary);border-color:rgba(46,230,197,.45);transform:translateY(-2px);}
.copy-tip{color:var(--primary);opacity:0;transition:opacity 240ms var(--ease);}
.copy-tip.is-show{opacity:1;}

/* 上一篇 / 下一篇 */
.post-nav{
  width:min(760px,100%);
  margin:44px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.post-nav-item{
  display:flex;flex-direction:column;gap:8px;
  padding:20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:all 220ms var(--ease);
}
.post-nav-item:hover{
  transform:translateY(-4px);
  background:var(--glass-strong);
  border-color:rgba(46,230,197,.4);
  box-shadow:var(--sh-hover);
}
.post-nav-item.next{text-align:right;align-items:flex-end;}
.pn-label{font-size:12px;letter-spacing:.04em;color:var(--primary);}
.pn-title{font-size:15px;color:#fff;font-weight:600;line-height:1.5;}

/* 相关推荐 */
.related{width:min(1000px,100%);margin:76px auto 0;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:24px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);color:#fff;}
.sec-head .more{font-size:13.5px;color:var(--muted);transition:color 200ms var(--ease);}
.sec-head .more:hover{color:var(--primary);}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.rel-card:hover{transform:translateY(-4px);background:var(--glass-strong);box-shadow:var(--sh-hover);}
.rel-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  filter:saturate(.9) brightness(.94);
  border-bottom:1px solid var(--line-soft);
}
.rel-card h3{font-size:16px;color:#fff;margin:16px 18px 8px;}
.rel-card p{font-size:13.5px;color:var(--muted);margin:0 18px 20px;line-height:1.7;}

/* CTA 条 */
.cta-strip{
  width:min(1000px,100%);
  margin:76px auto 0;
  padding:40px 38px;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:
    linear-gradient(rgba(6,10,18,.74),rgba(6,10,18,.88)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:var(--sh-hover);
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:10px;}
.cta-strip p{font-size:14px;color:var(--muted);max-width:560px;line-height:1.75;}

/* 返回顶部 */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:1050;
  width:48px;height:48px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:#04140F;font-size:16px;
  background:linear-gradient(135deg,#2EE6C5,#25C9B4);
  box-shadow:var(--sh-glow);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all 260ms var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{transform:translateY(-3px);filter:brightness(1.08);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-radius:24px 24px 0 0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,21,34,.86),rgba(6,10,18,.96));
  backdrop-filter:blur(16px);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:16px;max-width:330px;}
.site-footer h3{font-size:14px;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:13.5px;color:var(--muted);
  display:inline-block;
  transition:color 200ms var(--ease),transform 200ms var(--ease);
}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact li{
  display:flex;gap:10px;font-size:13.5px;color:var(--muted);
  margin-bottom:12px;line-height:1.7;
}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--dim);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .dock-menu a{padding:8px 12px;font-size:13.5px;}
}
@media (max-width:991.98px){
  .dock-menu{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock{padding:10px 14px;gap:10px;}
  .logo-text{font-size:15px;}
  .logo-text em{font-size:12px;}
  .page-head{padding:16px 0 72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .article-shell,.post-nav{width:100%;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .article-hero h1{font-size:clamp(28px,7vw,34px);}
  .article-body{font-size:15px;line-height:1.8;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.next{text-align:left;align-items:flex-start;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-strip{margin-top:56px;}
  .related{margin-top:56px;}
  .site-footer{margin-top:64px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
}
@media (max-width:575.98px){
  .dock{width:calc(100% - 24px);}
  .search-bar{width:calc(100% - 24px);}
  .dock-side .btn-glow{padding:9px 14px;font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .article-tags{gap:8px;}
}

/* roulang page: category1 */
:root{
  --bs-primary:#2EE6C5;
  --bs-body-bg:#060A12;
  --bs-body-color:#EAF2F8;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:18px;
  --bg:#060A12;
  --panel:#0D1522;
  --primary:#2EE6C5;
  --accent:#FF7A45;
  --violet:#7C8CF8;
  --text:#EAF2F8;
  --muted:#9FB0C0;
  --dim:#6B7C8C;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --r-card:18px;
  --r-panel:24px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --sh-1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 0 0 1px rgba(46,230,197,.45),0 10px 30px -8px rgba(46,230,197,.55);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(46,230,197,.10),transparent 62%),
    radial-gradient(900px 560px at 88% 4%,rgba(124,140,248,.10),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),transform var(--ease)}
a:hover{color:#79f2dd}
button{font-family:inherit}
::selection{background:rgba(46,230,197,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.wrap{width:min(1280px,92vw);margin:0 auto}
@media (max-width:1200px){.wrap{width:min(1180px,94vw)}}
@media (max-width:992px){.wrap{width:min(960px,94vw)}}
@media (max-width:768px){.wrap{width:min(720px,100% - 32px)}}
@media (max-width:576px){.wrap{width:100% - 32px;width:calc(100% - 32px)}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:sticky;top:0;z-index:1040;
  padding:18px 0 10px;
  transition:padding var(--ease);
}
.dock{
  width:min(1180px,92vw);
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(13,21,34,.72);
  border:1px solid var(--line);
  border-top:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-1);
  transition:background var(--ease),box-shadow var(--ease),padding var(--ease);
}
.dock.shrink{
  background:rgba(8,14,24,.9);
  box-shadow:var(--sh-2);
  padding:6px 14px 6px 18px;
}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text)}
.dock-logo:hover{color:var(--text)}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,rgba(46,230,197,.22),rgba(124,140,248,.22));
  border:1px solid rgba(46,230,197,.4);
  color:var(--primary);
  font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.logo-text em{font-style:normal;font-weight:500;color:var(--muted);font-size:13px;margin-left:6px;letter-spacing:.04em}
.dock-nav{margin-left:auto}
.dock-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.dock-menu a{
  position:relative;
  display:block;
  padding:9px 14px;
  font-size:14px;
  color:var(--muted);
  border-radius:var(--r-pill);
  transition:color var(--ease),background var(--ease);
}
.dock-menu a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-menu a.active{color:var(--text);background:rgba(46,230,197,.12)}
.dock-menu a.active::before{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 10px rgba(46,230,197,.9);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-search{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--muted);cursor:pointer;
  transition:all var(--ease);
}
.dock-search:hover{color:var(--primary);border-color:rgba(46,230,197,.5);background:rgba(46,230,197,.08)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;
}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;
  border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2EE6C5,#20b79c);
  color:#04211c;font-weight:700;font-size:14px;letter-spacing:.02em;
  box-shadow:var(--sh-glow);
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-glow:hover{filter:brightness(1.07);transform:translateY(-2px);color:#04211c;
  box-shadow:0 0 0 1px rgba(46,230,197,.6),0 14px 34px -8px rgba(46,230,197,.7)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);
  background:transparent;color:var(--text);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all var(--ease);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,230,197,.08);color:var(--text);transform:translateY(-2px)}

@media (max-width:992px){
  .dock-toggle{display:grid;place-items:center}
  .dock-nav{
    position:absolute;left:50%;transform:translateX(-50%);
    top:calc(100% + 10px);
    width:min(1180px,92vw);
    background:rgba(10,17,28,.97);
    border:1px solid var(--line);
    border-radius:20px;
    backdrop-filter:blur(18px);
    box-shadow:var(--sh-2);
    padding:10px;
    display:none;
  }
  .dock-nav.open{display:block}
  .dock{position:relative}
  .dock-menu{flex-direction:column;align-items:stretch;gap:2px}
  .dock-menu a{padding:12px 14px;font-size:15px}
  .dock-menu a.active::before{left:6px;bottom:auto;top:50%;transform:translateY(-50%)}
  .dock-actions .btn-glow{padding:9px 16px;font-size:13px}
}
@media (max-width:576px){
  .logo-text{font-size:15px}
  .logo-text em{display:none}
  .dock-actions .btn-glow span{display:none}
  .dock-actions .btn-glow{padding:10px 12px}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0;padding:0;
  font-size:13px;color:var(--dim);letter-spacing:.02em;
}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .current{color:var(--primary)}

/* ---------- 页头 ---------- */
.page-hero{padding:26px 0 56px;position:relative}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,230,197,.4),transparent);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(46,230,197,.35);
  background:rgba(46,230,197,.09);
  color:var(--primary);font-size:12px;letter-spacing:.08em;font-weight:600;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:700;line-height:1.2;margin:0 0 18px;letter-spacing:.01em;
}
.page-hero h1 span{color:var(--primary)}
.page-hero .lead{
  max-width:820px;color:var(--muted);font-size:16px;line-height:1.85;margin:0 0 24px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.hero-tags li{
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  font-size:13px;color:var(--muted);
  transition:all var(--ease);
}
.hero-tags li:hover{border-color:rgba(46,230,197,.45);color:var(--text)}
.hero-tags li i{color:var(--primary);margin-right:6px;font-size:11px}

/* ---------- 两栏布局 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.layout-2col{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
@media (max-width:1024px){
  .layout-2col{grid-template-columns:1fr;gap:28px}
}

/* 粘性目录 */
.toc-card{
  position:sticky;top:96px;
  padding:22px 20px;
  background:var(--glass);
  border:1px solid var(--line);
  border-top:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-panel);
  backdrop-filter:blur(16px);
  box-shadow:var(--sh-1);
}
.toc-card h2{
  font-size:12px;letter-spacing:.14em;color:var(--dim);
  text-transform:uppercase;margin:0 0 14px;font-weight:700;
}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--muted);
  border-left:2px solid transparent;
  transition:all var(--ease);
}
.toc-list a .idx{
  font-family:var(--font-num);font-size:11px;color:var(--dim);
  min-width:20px;
}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--text);transform:translateX(2px)}
.toc-list a.active{
  color:var(--text);
  background:rgba(46,230,197,.10);
  border-left-color:var(--primary);
}
.toc-list a.active .idx{color:var(--primary)}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--dim);line-height:1.7;
}
@media (max-width:1024px){
  .toc-card{position:static}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px}
  .toc-list a{border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px}
  .toc-list a.active{border-color:var(--primary)}
  .toc-list a .idx{display:none}
  .toc-note{display:none}
}

/* 正文分区 */
.doc-section{
  padding:32px;
  margin-bottom:26px;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.028));
  border:1px solid var(--line);
  border-top:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-1);
  scroll-margin-top:110px;
}
.doc-section h2{
  font-size:clamp(21px,2.3vw,27px);
  font-weight:700;line-height:1.35;margin:0 0 8px;
  display:flex;align-items:flex-start;gap:12px;
}
.doc-section h2 .hnum{
  font-family:var(--font-num);font-size:13px;color:var(--primary);
  border:1px solid rgba(46,230,197,.4);border-radius:8px;
  padding:3px 8px;margin-top:5px;flex-shrink:0;letter-spacing:.04em;
}
.doc-section h3{
  font-size:19px;font-weight:600;margin:26px 0 10px;color:var(--text);
}
.doc-section p{color:var(--muted);margin:0 0 14px;line-height:1.85}
.doc-section p strong{color:var(--text);font-weight:600}
.doc-section h2 + p.sub{margin-bottom:22px;color:var(--dim);font-size:14.5px}

.point-list{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:12px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--muted);font-size:15px;line-height:1.8;
  transition:all var(--ease);
}
.point-list li:hover{background:rgba(255,255,255,.06);transform:translateY(-2px)}
.point-list li i{color:var(--primary);font-size:14px;margin-top:5px;flex-shrink:0}
.point-list li strong{color:var(--text)}

/* 图文块 */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
}
.split.reverse .split-media{order:2}
@media (max-width:880px){.split{grid-template-columns:1fr}.split.reverse .split-media{order:0}}
.split-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  filter:saturate(.92) hue-rotate(-6deg) brightness(.94);
}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.16),rgba(6,10,18,.62));
}
.media-badge{
  position:absolute;left:14px;bottom:14px;z-index:2;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(6,10,18,.72);border:1px solid rgba(46,230,197,.4);
  color:var(--primary);font-size:12px;letter-spacing:.06em;backdrop-filter:blur(8px);
}

/* 清单卡 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:6px}
@media (max-width:768px){.check-grid{grid-template-columns:1fr}}
.check-card{
  padding:20px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:all var(--ease);
}
.check-card:hover{background:var(--glass-strong);transform:translateY(-4px);box-shadow:var(--sh-2)}
.check-card .ci{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.3);
  color:var(--primary);font-size:15px;margin-bottom:14px;
}
.check-card h4{font-size:16px;font-weight:600;margin:0 0 8px}
.check-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}

/* 步骤组 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
@media (max-width:992px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:576px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;
  padding:22px 18px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:all var(--ease);
}
.step:hover{border-color:rgba(46,230,197,.45);transform:translateY(-4px)}
.step .sn{
  font-family:var(--font-num);font-size:26px;font-weight:700;color:rgba(46,230,197,.35);
  display:block;margin-bottom:10px;letter-spacing:.02em;
}
.step h4{font-size:15.5px;margin:0 0 8px;font-weight:600}
.step p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7}

/* 表格 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);margin-top:6px}
table.cmp{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.cmp thead th{
  background:rgba(255,255,255,.05);
  font-size:13px;letter-spacing:.06em;color:var(--muted);font-weight:700;
}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:rgba(255,255,255,.03)}
table.cmp td.ok{color:var(--primary)}
table.cmp td.warn{color:var(--accent)}
table.cmp td{color:var(--muted)}
table.cmp td strong{color:var(--text);font-weight:600}

/* 数据条 */
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  overflow:hidden;
  margin-top:8px;
}
@media (max-width:880px){.data-strip{grid-template-columns:repeat(2,1fr)}}
.data-strip .ds-item{
  background:#0A1220;padding:24px 20px;
}
.data-strip .ds-item b{
  display:block;font-family:var(--font-num);font-size:32px;font-weight:700;
  color:var(--primary);text-shadow:0 0 18px rgba(46,230,197,.28);line-height:1.1;
}
.data-strip .ds-item span{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6}

/* 提示条 */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;margin-top:18px;
  border-radius:14px;
  border:1px solid rgba(255,122,69,.35);
  background:rgba(255,122,69,.08);
  color:#ffd9c8;font-size:14.5px;line-height:1.8;
}
.notice i{color:var(--accent);margin-top:5px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  overflow:hidden;
  transition:all var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.2)}
.faq-item.open{background:var(--glass-strong);border-color:rgba(46,230,197,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;color:var(--text);
  font-size:15.5px;font-weight:600;text-align:left;cursor:pointer;
  font-family:inherit;
}
.faq-q i{color:var(--primary);transition:transform var(--ease);flex-shrink:0;font-size:13px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease}
.faq-a p{
  margin:0;padding:0 20px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;
  border-left:2px solid transparent;
}
.faq-item.open .faq-a p{border-left-color:var(--primary);margin-left:0;padding-left:18px}

/* CTA */
.cta-band{
  padding:44px;
  border-radius:var(--r-panel);
  border:1px solid rgba(46,230,197,.28);
  background:
    radial-gradient(720px 320px at 12% 0%,rgba(46,230,197,.14),transparent 62%),
    radial-gradient(600px 300px at 92% 100%,rgba(124,140,248,.14),transparent 60%),
    #0A1220;
  box-shadow:var(--sh-1);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:992px){.cta-grid{grid-template-columns:1fr;gap:28px}.cta-band{padding:28px}}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:0 0 14px;line-height:1.35}
.cta-band p{color:var(--muted);margin:0 0 22px;line-height:1.85}
.cta-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:14.5px}
.cta-list li i{color:var(--primary);font-size:12px}
.form-card{
  padding:26px;
  background:rgba(6,10,18,.62);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(12px);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text);font-size:14.5px;font-family:inherit;
  transition:all var(--ease);
}
.field textarea{min-height:92px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,230,197,.18);
  background:rgba(255,255,255,.06);
}
.field select option{background:#0D1522;color:var(--text)}
.field.error input,.field.error select,.field.error textarea{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,69,.14);
}
.err-text{display:none;margin-top:7px;font-size:12.5px;color:var(--accent)}
.field.error .err-text{display:block}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:#2EE6C5;flex-shrink:0}
.form-actions{margin-top:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:var(--dim)}
.form-success{
  display:none;padding:18px;border-radius:14px;
  border:1px solid rgba(46,230,197,.42);background:rgba(46,230,197,.1);
  color:#c9fdf2;font-size:14.5px;line-height:1.8;
}
.form-success.show{display:block}

/* 页脚 */
.site-footer{
  margin-top:84px;
  padding:56px 0 30px;
  background:rgba(255,255,255,.035);
  border-top:1px solid var(--line);
  border-radius:var(--r-panel) var(--r-panel) 0 0;
  backdrop-filter:blur(14px);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
@media (max-width:992px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:576px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin:16px 0 0;max-width:340px}
.site-footer h3{
  font-size:13px;letter-spacing:.1em;color:var(--text);
  margin:0 0 16px;font-weight:700;text-transform:uppercase;
}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--muted);font-size:14px;display:inline-block;transition:all var(--ease)}
.footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px;line-height:1.7}
.footer-contact li i{color:var(--primary);margin-top:5px;font-size:12px;flex-shrink:0}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.footer-bottom span:last-child{font-family:var(--font-num)}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(13,21,34,.86);border:1px solid rgba(46,230,197,.4);
  color:var(--primary);cursor:pointer;
  opacity:0;pointer-events:none;
  transition:all var(--ease);backdrop-filter:blur(10px);
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{box-shadow:var(--sh-glow);transform:translateY(-3px)}

@media (max-width:576px){
  body{font-size:15px;line-height:1.8}
  .page-hero h1{font-size:28px}
  .doc-section{padding:22px 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .cta-band{padding:24px 18px}
  .form-card{padding:20px}
}

/* roulang page: category2 */
:root{
  --bg:#060A12;
  --panel:#0D1522;
  --glass:rgba(255,255,255,.06);
  --glass-hi:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.12);
  --primary:#2EE6C5;
  --primary-deep:#17a88f;
  --accent:#FF7A45;
  --violet:#7C8CF8;
  --text:#EAF2F8;
  --muted:#9FB0C0;
  --dim:#6B7C8C;
  --rc:18px;
  --rp:24px;
  --ri:12px;
  --sh1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh2:0 18px 40px -16px rgba(0,0,0,.75);
  --glow:0 0 0 1px rgba(46,230,197,.45), 0 10px 30px -8px rgba(46,230,197,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-body-bg:#060A12;
  --bs-body-color:#EAF2F8;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:14px;
  --bs-primary:#2EE6C5;
  --bs-primary-rgb:46,230,197;
  --bs-link-color:#2EE6C5;
  --bs-link-hover-color:#7ff3dd;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(760px 420px at 10% -8%, rgba(46,230,197,.15), transparent 65%),
    radial-gradient(660px 420px at 94% 2%, rgba(124,140,248,.13), transparent 68%),
    radial-gradient(920px 540px at 50% 110%, rgba(18,50,65,.55), transparent 72%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px;}
.num{font-family:Inter,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

.wrap{width:min(1180px,92vw);margin-inline:auto;}
.wrap-narrow{width:min(920px,92vw);margin-inline:auto;}
.section{padding:88px 0;position:relative;}
.section.tight{padding:64px 0;}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent);}

/* ---------- 顶部浮动 Dock ---------- */
.dock-wrap{
  position:sticky;top:0;z-index:120;
  padding:18px 0 14px;
  display:flex;justify-content:center;
  background:linear-gradient(180deg, rgba(6,10,18,.94) 0%, rgba(6,10,18,.74) 62%, rgba(6,10,18,0) 100%);
}
.dock{
  width:min(1180px,92vw);
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(13,21,34,.74);
  border:1px solid var(--line-2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh1);
  transition:padding .28s var(--ease), background .28s var(--ease), box-shadow .28s var(--ease), backdrop-filter .28s var(--ease);
}
.dock.shrink{
  padding:6px 10px 6px 16px;
  background:rgba(8,13,23,.92);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  box-shadow:var(--sh2);
}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140f;font-size:15px;
  box-shadow:0 6px 18px -8px rgba(46,230,197,.75);
}
.logo-text{font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.logo-text em{font-style:normal;font-weight:500;color:var(--muted);font-size:12.5px;margin-left:6px;}
.dock-nav{margin-left:auto;}
.dock-menu{display:flex;gap:4px;align-items:center;}
.dock-menu a{
  display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:999px;
  color:var(--muted);font-size:14.5px;
  transition:color .22s var(--ease), background .22s var(--ease);
  white-space:nowrap;
}
.dock-menu a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.dock-menu a.active{color:var(--text);background:rgba(46,230,197,.10);}
.dock-menu a.active::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--primary);margin-right:8px;
  box-shadow:0 0 10px var(--primary);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-search{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);display:grid;place-items:center;
  color:var(--muted);cursor:pointer;transition:.22s var(--ease);
}
.dock-search:hover{color:var(--primary);border-color:rgba(46,230,197,.5);background:rgba(46,230,197,.08);}

/* 按钮 */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  font-size:14.5px;font-weight:600;letter-spacing:.02em;
  color:#04140f;background:linear-gradient(135deg,#3cf0d0,#1ec7a8);
  box-shadow:var(--glow);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 0 1px rgba(46,230,197,.55),0 14px 34px -8px rgba(46,230,197,.68);}
.btn-glow:active{transform:translateY(0);}
.btn-glow:disabled{opacity:.45;cursor:not-allowed;transform:none;filter:none;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  border:1px solid var(--line-2);background:transparent;
  color:var(--text);font-size:14.5px;font-weight:600;cursor:pointer;
  transition:.22s var(--ease);
}
.btn-line:hover{border-color:rgba(46,230,197,.6);background:rgba(46,230,197,.06);transform:translateY(-2px);}
.dock-cta{padding:10px 20px;font-size:14px;}

.dock-burger{
  display:none;width:38px;height:38px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:.28s var(--ease);z-index:130;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);
  background:linear-gradient(180deg,#0B1220,#080D16);
  border-left:1px solid var(--line-2);
  transform:translateX(102%);transition:transform .3s var(--ease);
  z-index:140;padding:22px 20px;display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.drawer-close{width:36px;height:36px;border-radius:999px;border:1px solid var(--line-2);background:transparent;color:var(--muted);cursor:pointer;}
.drawer-menu{display:flex;flex-direction:column;gap:6px;}
.drawer-menu a{
  display:flex;align-items:center;gap:10px;
  padding:13px 14px;border-radius:14px;color:var(--muted);
  border:1px solid transparent;transition:.22s var(--ease);
}
.drawer-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.drawer-menu a.active{color:var(--text);background:rgba(46,230,197,.10);border-color:rgba(46,230,197,.28);}
.drawer-menu a.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--dim);margin-bottom:22px;
}
.crumb a{color:var(--muted);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .cur{color:var(--primary);}

/* ---------- Banner / Hero ---------- */
.banner{position:relative;overflow:hidden;padding:52px 0 76px;}
.banner-bg{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(6,10,18,.72) 0%, rgba(6,10,18,.88) 55%, rgba(6,10,18,.97) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:52px 52px, 52px 52px, 100% 100%, cover;
  background-position:center;
}
.banner-inner{position:relative;z-index:1;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.35);
  color:var(--primary);font-size:12.5px;letter-spacing:.06em;
  margin-bottom:22px;
}
h1{
  font-size:clamp(32px,5vw,54px);
  font-weight:700;line-height:1.15;letter-spacing:-.01em;
  margin-bottom:20px;
}
h1 .hl{
  background:linear-gradient(120deg,#2EE6C5,#7C8CF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  max-width:760px;margin:0 auto 30px;
  color:var(--muted);font-size:16.5px;line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:46px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  max-width:860px;margin:0 auto;
}
.hero-stat{
  padding:18px 20px;border-radius:var(--rc);
  background:var(--glass);border:1px solid var(--line-2);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh1);text-align:left;
}
.hero-stat .v{font-size:26px;font-weight:700;color:var(--primary);letter-spacing:-.01em;}
.hero-stat .v small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px;}
.hero-stat .k{font-size:13.5px;color:var(--dim);margin-top:2px;}

/* ---------- 通用标题 ---------- */
.sec-head{max-width:760px;margin-bottom:44px;text-align:center;}
.sec-head.left{text-align:left;margin-left:0;}
.sec-tag{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:rgba(124,140,248,.12);border:1px solid rgba(124,140,248,.32);
  color:#B4BEFB;font-size:12px;letter-spacing:.08em;margin-bottom:16px;
}
.sec-tag.teal{background:rgba(46,230,197,.10);border-color:rgba(46,230,197,.32);color:var(--primary);}
.sec-tag.orange{background:rgba(255,122,69,.12);border-color:rgba(255,122,69,.34);color:#FFB08C;}
h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;margin-bottom:14px;}
h3{font-size:20px;font-weight:650;line-height:1.4;}
.sec-desc{color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- 图文交错 ---------- */
.zig{display:grid;grid-template-columns:0.95fr 1.05fr;gap:52px;align-items:center;}
.zig.rev{grid-template-columns:1.05fr 0.95fr;}
.zig.rev .zig-media{order:2;}
.zig-media{position:relative;}
.zig-media .frame{
  aspect-ratio:16/11;border-radius:var(--rp);overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--sh2);
  background:var(--panel);
}
.zig-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.94) contrast(1.04);}
.zig-media::after{
  content:"";position:absolute;inset:auto -18px -18px auto;
  width:120px;height:120px;border-radius:26px;
  background:linear-gradient(135deg,rgba(46,230,197,.16),rgba(124,140,248,.06));
  filter:blur(6px);z-index:-1;
}
.tick-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.tick-list li{display:flex;gap:14px;align-items:flex-start;}
.tick-list i{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;margin-top:2px;
  display:grid;place-items:center;font-size:12px;
  background:rgba(46,230,197,.12);border:1px solid rgba(46,230,197,.32);color:var(--primary);
}
.tick-list b{display:block;font-size:15.5px;font-weight:650;margin-bottom:3px;}
.tick-list p{color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ---------- 玻璃卡片 ---------- */
.glass{
  background:var(--glass);border:1px solid var(--line-2);
  border-radius:var(--rc);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh1);position:relative;overflow:hidden;
}
.glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}

/* ---------- 准备清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.check-card{padding:26px 22px;transition:transform .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease);}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);background:var(--glass-hi);}
.check-card .ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.26);
  color:var(--primary);font-size:17px;margin-bottom:18px;
}
.check-card h3{font-size:17.5px;margin-bottom:10px;}
.check-card p{color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ---------- 步骤组 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:8px;}
.step{
  padding:26px 20px;border-radius:var(--rc);
  background:var(--glass);border:1px solid var(--line-2);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh1);position:relative;overflow:hidden;
  transition:transform .24s var(--ease), border-color .24s var(--ease);
}
.step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(124,140,248,.25));
}
.step:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.34);}
.step-num{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--primary);margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ---------- 对照表 ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--rp);border:1px solid var(--line-2);background:rgba(255,255,255,.03);}
.cmp-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px;}
.cmp-table thead th{
  text-align:left;padding:18px 22px;font-size:13px;letter-spacing:.06em;
  color:var(--muted);font-weight:600;background:rgba(255,255,255,.04);
  border-bottom:1px solid var(--line-2);white-space:nowrap;
}
.cmp-table td{padding:18px 22px;border-bottom:1px solid var(--line);color:var(--muted);line-height:1.7;vertical-align:top;}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover{background:rgba(255,255,255,.03);}
.cmp-table td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
.cmp-table td.ok{color:#9BE9DA;}
.cmp-table td.ok::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;margin-right:8px;color:var(--primary);}
.cmp-table td.bad{color:#FFB79B;}
.cmp-table td.bad::before{content:"\f071";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;margin-right:8px;color:var(--accent);}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  border-radius:var(--rp);overflow:hidden;border:1px solid var(--line-2);
  background:var(--line-2);
}
.stat-strip .stat{
  padding:32px 24px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  transition:background .24s var(--ease);
}
.stat-strip .stat:hover{background:rgba(46,230,197,.06);}
.stat-strip .v{font-size:clamp(30px,3.4vw,40px);font-weight:700;color:var(--primary);letter-spacing:-.02em;line-height:1.1;}
.stat-strip .v em{font-style:normal;font-size:15px;color:var(--muted);margin-left:5px;font-weight:500;}
.stat-strip .k{font-size:14px;color:var(--dim);margin-top:8px;}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:var(--rc);border:1px solid var(--line-2);
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;position:relative;transition:border-color .24s var(--ease), background .24s var(--ease);
}
.faq-item::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);transform:scaleY(0);transform-origin:top;
  transition:transform .3s var(--ease);border-radius:3px;
}
.faq-item.open{border-color:rgba(46,230,197,.35);background:rgba(46,230,197,.05);}
.faq-item.open::after{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q i{color:var(--dim);font-size:13px;transition:transform .3s var(--ease), color .3s var(--ease);flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.85;}

/* ---------- CTA / 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:0.95fr 1.05fr;gap:48px;align-items:start;}
.cta-copy h2{margin-top:14px;}
.cta-copy p{color:var(--muted);font-size:15px;line-height:1.85;margin-top:12px;}
.meta-list{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.meta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--muted);}
.meta-list i{color:var(--primary);font-size:13px;margin-top:6px;}
.form-card{padding:30px 28px;border-radius:var(--rp);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;letter-spacing:.02em;}
.field label span{color:var(--accent);margin-left:3px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--ri);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);
  color:var(--text);font-size:14.5px;line-height:1.6;
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
  outline:none;
}
.field textarea{min-height:112px;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB0C0 50%),linear-gradient(135deg,#9FB0C0 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:rgba(159,176,192,.5);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);background:rgba(46,230,197,.05);
  box-shadow:0 0 0 3px rgba(46,230,197,.16);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--accent);}
.err-msg{display:none;color:var(--accent);font-size:12.5px;margin-top:6px;}
.field.error .err-msg{display:block;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7;}
.agree input{
  appearance:none;flex-shrink:0;width:18px;height:18px;margin-top:3px;border-radius:6px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);cursor:pointer;
  transition:.2s var(--ease);position:relative;
}
.agree input:checked{background:var(--primary);border-color:var(--primary);}
.agree input:checked::after{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:10px;
  color:#04140f;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
}
.agree.error{color:var(--accent);}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-note{font-size:12.5px;color:var(--dim);}
.form-success{
  display:none;margin-top:18px;padding:16px 18px;border-radius:14px;
  background:rgba(46,230,197,.09);border:1px solid rgba(46,230,197,.34);
  color:#9BE9DA;font-size:14px;line-height:1.75;
}
.form-success.show{display:block;}

/* ---------- 底部提示条 ---------- */
.notice-bar{
  display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  padding:22px 26px;border-radius:var(--rp);
  background:linear-gradient(120deg,rgba(46,230,197,.10),rgba(124,140,248,.07));
  border:1px solid rgba(46,230,197,.24);
}
.notice-bar p{font-size:14.5px;color:#C9E9E3;line-height:1.7;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:110;
  width:46px;height:46px;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(13,21,34,.85);backdrop-filter:blur(10px);
  color:var(--primary);cursor:pointer;display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.28s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(46,230,197,.14);transform:translateY(-3px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;padding:64px 0 30px;
  border-top:1px solid var(--line-2);
  border-radius:var(--rp) var(--rp) 0 0;
  background:linear-gradient(180deg,rgba(13,21,34,.86),rgba(6,10,18,.98));
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .dock-logo{margin-bottom:18px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;max-width:360px;}
.footer-grid h3{font-size:15px;font-weight:650;margin-bottom:18px;color:var(--text);}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:var(--muted);font-size:14px;transition:color .22s var(--ease), transform .22s var(--ease);display:inline-block;}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact li{display:flex;gap:11px;color:var(--muted);font-size:13.5px;line-height:1.7;}
.footer-contact i{color:var(--primary);font-size:12.5px;margin-top:6px;flex-shrink:0;}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--dim);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media(max-width:1200px){
  .zig{gap:38px;}
  .footer-grid{gap:28px;}
}
@media(max-width:992px){
  .dock-menu{display:none;}
  .dock-burger{display:grid;place-items:center;}
  .dock-nav{margin-left:auto;}
  .dock-cta{display:none;}
  .section{padding:66px 0;}
  .zig,.zig.rev{grid-template-columns:1fr;gap:30px;}
  .zig.rev .zig-media{order:0;}
  .checklist{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-stats{grid-template-columns:1fr;max-width:520px;}
}
@media(max-width:768px){
  body{font-size:15px;line-height:1.8;}
  .section{padding:56px 0;}
  .banner{padding:34px 0 62px;}
  h1{font-size:clamp(28px,7vw,38px);}
  .hero-sub{font-size:15px;}
  .checklist{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand p{max-width:none;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .form-card{padding:24px 20px;}
  .dock{padding:8px 10px 8px 14px;}
  .logo-text em{display:none;}
}
@media(max-width:576px){
  .wrap,.wrap-narrow{width:calc(100% - 32px);}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .btn-glow,.btn-line{width:100%;}
  .check-card,.step{padding:20px 16px;}
  .hero-stat{padding:16px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:14px;bottom:16px;}
}

/* roulang page: category3 */
:root{
  --bg:#060A12;
  --panel:#0D1522;
  --deep:#123241;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.10);
  --primary:#2EE6C5;
  --accent:#FF7A45;
  --violet:#7C8CF8;
  --text:#EAF2F8;
  --text-2:#9FB0C0;
  --text-3:#6B7C8C;
  --r-card:18px;
  --r-panel:24px;
  --r-input:12px;
  --r-img:16px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 40px -16px rgba(0,0,0,.75);
  --glow:0 0 0 1px rgba(46,230,197,.45), 0 10px 30px -8px rgba(46,230,197,.55);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#2EE6C5;
  --bs-body-bg:#060A12;
  --bs-body-color:#EAF2F8;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:18px;
  --bs-link-color:#2EE6C5;
  --bs-link-hover-color:#7C8CF8;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -12%, rgba(46,230,197,.10), transparent 70%),
    radial-gradient(820px 480px at 92% 2%, rgba(124,140,248,.13), transparent 72%),
    radial-gradient(760px 520px at 50% 108%, rgba(18,50,65,.55), transparent 70%);
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.22;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.wrap{width:min(1280px,92vw);margin:0 auto;position:relative;z-index:1}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:0;z-index:1030;display:flex;justify-content:center;padding:18px 0 0}
.dock{
  width:min(1180px,92vw);
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(13,21,34,.72);
  border:1px solid var(--stroke);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-1);
  position:relative;
  transition:padding 260ms var(--ease),background 260ms var(--ease),box-shadow 260ms var(--ease),backdrop-filter 260ms var(--ease);
}
.dock::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);
  pointer-events:none;
}
.dock.shrink{padding:6px 10px 6px 16px;background:rgba(8,13,22,.9);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);box-shadow:var(--shadow-2)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(46,230,197,.9),rgba(34,185,160,.75));
  color:#04201b;font-size:15px;
  box-shadow:0 0 0 1px rgba(46,230,197,.35),0 8px 20px -10px rgba(46,230,197,.8);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.logo-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--primary);letter-spacing:.04em;margin-left:4px}
.dock-nav{flex:1 1 auto;display:flex;justify-content:center}
.dock-menu{display:flex;align-items:center;gap:4px}
.dock-menu li{display:flex}
.dock-menu a{
  display:flex;flex-direction:column;align-items:center;
  padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.dock-menu a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-menu a.active{color:var(--text);background:rgba(46,230,197,.10)}
.dock-menu a.active::after{
  content:"";width:4px;height:4px;border-radius:50%;background:var(--primary);
  margin-top:5px;box-shadow:0 0 8px rgba(46,230,197,.9);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  display:flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.dock-search:focus-within{border-color:rgba(46,230,197,.55);background:rgba(46,230,197,.06)}
.dock-search i{color:var(--text-3);font-size:13px}
.dock-search input{width:118px;border:0;outline:0;background:transparent;font-size:13px}
.dock-search input::placeholder{color:var(--text-3)}
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--stroke);
  color:var(--text);align-items:center;justify-content:center;
  transition:background 220ms var(--ease);
}
.dock-toggle:hover{background:rgba(46,230,197,.14)}
.dock-cta{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,#2EE6C5,#22b9a0);color:#04201b;
  box-shadow:var(--glow);border:1px solid transparent;
  transition:transform 220ms var(--ease),filter 220ms var(--ease),box-shadow 220ms var(--ease);
}
.dock-cta:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(46,230,197,.6),0 16px 38px -8px rgba(46,230,197,.72)}

/* drawer */
.drawer{background:rgba(9,14,24,.97)!important;border-right:1px solid var(--stroke)!important;color:var(--text)!important;backdrop-filter:blur(18px)}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.drawer-list{display:flex;flex-direction:column;gap:6px;padding:16px 12px}
.drawer-list a{display:block;padding:14px 16px;border-radius:14px;font-size:15px;color:var(--text-2);border:1px solid transparent}
.drawer-list a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.drawer-list a.active{background:rgba(46,230,197,.12);color:var(--primary);border-color:rgba(46,230,197,.3)}
.drawer-foot{padding:16px 20px 28px}

/* ============ 通用组件 ============ */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3.2vw,36px)}
.sec-head p{color:var(--text-2);font-size:14.5px;margin-top:12px;max-width:660px}
.sec-head .more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.sec-head .more:hover{gap:12px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}

.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text-2)}
.tag-primary{color:var(--primary);border-color:rgba(46,230,197,.35);background:rgba(46,230,197,.09)}
.tag-violet{color:var(--violet);border-color:rgba(124,140,248,.35);background:rgba(124,140,248,.10)}

.glass{
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-1);
}
.glass::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.34),transparent);
  pointer-events:none;
}

.btn-glow{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  background:linear-gradient(135deg,#2EE6C5,#22b9a0);color:#04201b;border:1px solid transparent;
  box-shadow:var(--glow);cursor:pointer;
  transition:transform 220ms var(--ease),filter 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(46,230,197,.6),0 16px 40px -8px rgba(46,230,197,.72)}
.btn-glow:active{transform:translateY(0)}
.btn-glow[disabled],.btn-glow.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:none}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  background:rgba(255,255,255,.03);color:var(--text);border:1px solid var(--stroke);cursor:pointer;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);background:rgba(46,230,197,.08)}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);padding:26px 0 18px;flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--primary)}

/* ============ Banner ============ */
.cat-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid var(--stroke);
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  min-height:480px;display:flex;align-items:center;
  box-shadow:var(--shadow-2);
}
.cat-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.55;pointer-events:none;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(6,10,18,.94) 0%,rgba(6,10,18,.78) 44%,rgba(6,10,18,.52) 100%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:60px 56px;max-width:780px}
.banner-inner h1{font-size:clamp(30px,4.4vw,52px);line-height:1.16;margin:16px 0 18px;font-weight:700}
.banner-inner h1 span{color:var(--primary)}
.banner-sub{color:var(--text-2);font-size:16.5px;max-width:640px}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.banner-note{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.banner-note span{display:inline-flex;align-items:center;gap:8px}
.banner-note i{color:var(--primary)}

/* ============ 卡片墙 ============ */
.q-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.q-card{
  grid-column:span 2;
  padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease);
}
.q-card:hover{transform:translateY(-4px);background:var(--glass-2);border-color:rgba(46,230,197,.28)}
.q-card.big{grid-column:span 4;padding:32px;display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}
.q-card.wide{grid-column:span 3}
.q-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.32);
  color:var(--primary);font-size:17px;flex:0 0 auto;
}
.q-icon.violet{background:rgba(124,140,248,.10);border-color:rgba(124,140,248,.32);color:var(--violet)}
.q-icon.orange{background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.32);color:var(--accent)}
.q-card h3{font-size:19px}
.q-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.q-link{font-size:13.5px;color:var(--primary);display:inline-flex;align-items:center;gap:7px;margin-top:auto;padding-top:6px}
.q-link:hover{gap:11px}
.q-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);position:relative}
.q-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(.92) brightness(.94)}
.q-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,50,65,.10),rgba(6,10,18,.42));pointer-events:none}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--stroke);border-radius:var(--r-panel);overflow:hidden;
}
.stat-cell{background:rgba(13,21,34,.86);padding:30px 28px;backdrop-filter:blur(14px)}
.stat-cell .num{
  font-family:Inter,"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:clamp(32px,3.6vw,44px);font-weight:700;color:var(--primary);line-height:1.1;
  text-shadow:0 0 26px rgba(46,230,197,.28);
}
.stat-cell .num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:6px}
.stat-cell .label{font-size:14.5px;color:var(--text);margin-top:8px}
.stat-cell .desc{font-size:13px;color:var(--text-3);margin-top:4px}
.stat-cell:nth-child(2) .num{color:var(--violet);text-shadow:0 0 26px rgba(124,140,248,.26)}
.stat-cell:nth-child(3) .num{color:var(--text);text-shadow:none}
.stat-cell:nth-child(4) .num{color:var(--accent);text-shadow:0 0 26px rgba(255,122,69,.24)}

/* ============ 自查步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{padding:26px 24px;position:relative}
.step .idx{
  font-family:Inter,ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
}
.step .idx::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(46,230,197,.5),transparent)}
.step h3{font-size:17.5px;margin-bottom:10px}
.step p{font-size:14px;color:var(--text-2);line-height:1.78}
.step .tip{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-list{max-width:920px;margin:0 auto}
.faq-item{
  position:relative;margin-bottom:12px;border-radius:16px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);overflow:hidden;
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.2)}
.faq-item[open]{background:var(--glass-2);border-color:rgba(46,230,197,.26)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--primary);box-shadow:0 0 14px rgba(46,230,197,.7);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 56px 19px 22px;
  font-size:16px;font-weight:600;color:var(--text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--text-3);transition:transform 240ms var(--ease),color 240ms var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--primary)}
.faq-body{padding:0 22px 22px;font-size:14.8px;color:var(--text-2);line-height:1.85}
.faq-body strong{color:var(--text);font-weight:600}

/* ============ 表单 ============ */
.ask-panel{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;
  padding:44px;border-radius:var(--r-panel);
}
.ask-copy h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:16px}
.ask-copy p{color:var(--text-2);font-size:15px}
.ask-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.ask-points li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2)}
.ask-points i{color:var(--primary);margin-top:5px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:rgba(46,230,197,.05);
  box-shadow:0 0 0 3px rgba(46,230,197,.18);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB0C0 50%),linear-gradient(135deg,#9FB0C0 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field textarea{min-height:112px;resize:vertical}
.form-grid .hint{font-size:12.5px;color:var(--text-3)}
.check-row{display:flex;align-items:flex-start;gap:11px;font-size:13.5px;color:var(--text-2)}
.check-row input{width:19px;height:19px;margin-top:3px;accent-color:#2EE6C5;flex:0 0 auto}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,69,.14)}
.err-text{font-size:12.5px;color:var(--accent);display:none}
.field.is-error .err-text{display:block}
.form-status{margin-top:16px;font-size:13.5px;border-radius:12px;padding:0;max-height:0;overflow:hidden;transition:max-height 260ms var(--ease),padding 260ms var(--ease)}
.form-status.show{max-height:120px;padding:13px 16px}
.form-status.ok{background:rgba(46,230,197,.10);border:1px solid rgba(46,230,197,.35);color:var(--primary)}
.form-status.bad{background:rgba(255,122,69,.10);border:1px solid rgba(255,122,69,.35);color:var(--accent)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:66px 0 26px;
  background:rgba(255,255,255,.04);
  border-top:1px solid var(--stroke);
  border-radius:var(--r-panel) var(--r-panel) 0 0;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:18px;max-width:400px;line-height:1.8}
.footer-grid h3{font-size:14px;color:var(--text);letter-spacing:.06em;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);display:inline-block}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;gap:11px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:12.5px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .dock-search{display:none}
  .q-card.big{grid-template-columns:1fr}
}
@media (max-width:991px){
  .dock-menu{display:none}
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .dock{padding:8px 10px 8px 14px;gap:12px}
  .dock-cta{display:none}
  .section{padding:64px 0}
  .banner-inner{padding:44px 32px}
  .cat-banner{min-height:auto}
  .q-wall{grid-template-columns:repeat(2,1fr)}
  .q-card,.q-card.big,.q-card.wide{grid-column:span 1}
  .q-card.big{padding:28px}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ask-panel{grid-template-columns:1fr;gap:32px;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8}
  .logo-text em{display:none}
  .banner-inner{padding:34px 22px}
  .banner-inner h1{font-size:28px}
  .banner-actions .btn-glow,.banner-actions .btn-ghost{width:100%;justify-content:center}
  .q-wall{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .crumb{padding:20px 0 14px}
  .section{padding:56px 0}
}
@media (max-width:575px){
  .wrap{width:calc(100% - 32px)}
  .banner-inner h1{font-size:28px}
  .q-card{padding:20px}
  .stat-cell{padding:22px 20px}
  .ask-panel{padding:24px 20px}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px;font-size:14.5px}
}