/* roulang page: index */
:root{
  --bg:#061317;
  --bg-2:#0B1F26;
  --card:#0E2027;
  --card-2:#102630;
  --brand:#14E0C0;
  --brand-2:#0FA9B8;
  --amber:#FFC24B;
  --indigo:#6C5CE7;
  --text:#E9F4F4;
  --text-2:#9FB6BA;
  --text-3:#6C868B;
  --line:#1E3A42;
  --divider:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --radius:18px;
  --radius-sm:12px;
  --radius-dock:24px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 18px 48px rgba(0,0,0,.45);
  --glow:0 6px 22px rgba(20,224,192,.35);
  --glow-hover:0 10px 30px rgba(20,224,192,.50);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;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);
  background-size:64px 64px;
  opacity:.9;
}
body.locked{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--radius-sm);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#5BF0DA;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(20,224,192,.28);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.section{padding:96px 0;position:relative;}
.section.tight{padding:72px 0;}
.section.soft{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.4vw,32px);}
.section-head p{color:var(--text-2);margin:10px 0 0;font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
  background:rgba(20,224,192,.10);border:1px solid rgba(20,224,192,.28);
  margin-bottom:18px;
}
.eyebrow.amber{color:var(--amber);background:rgba(255,194,75,.14);border-color:rgba(255,194,75,.30);}
.muted{color:var(--text-2);}
.mono{font-family:var(--mono);}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1000;padding:0 20px;}
.dock{
  max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 14px 0 18px;
  border-radius:var(--radius-dock);
  background:rgba(11,31,38,.62);
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 10px 30px rgba(0,0,0,.32);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.scrolled .dock{
  background:rgba(6,19,23,.90);
  border-color:rgba(20,224,192,.24);
  box-shadow:0 14px 38px rgba(0,0,0,.48);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(20,224,192,.22),rgba(15,169,184,.10));
  border:1px solid rgba(20,224,192,.42);
  color:var(--brand);
}
.brand-mark svg{width:18px;height:18px;}
.brand-text{font-size:15.5px;font-weight:700;white-space:nowrap;letter-spacing:0;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:12px;
  font-size:14.5px;font-weight:500;color:var(--text-2);
  white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
  box-shadow:0 0 10px rgba(20,224,192,.75);
}
.nav-link:hover{color:var(--brand);background:rgba(20,224,192,.07);}
.nav-link:hover::after{opacity:.75;transform:scaleX(1);}
.nav-link.active{color:var(--brand);background:rgba(20,224,192,.10);}
.nav-link.active::after{opacity:1;transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  display:grid;place-items:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,192,.5);background:rgba(20,224,192,.08);}
.burger{display:none;width:42px;height:40px;border-radius:12px;background:transparent;border:1px solid var(--line);color:var(--text);cursor:pointer;}
.burger i{font-size:16px;}

.mobile-panel{
  max-width:1180px;margin:12px auto 0;
  border-radius:20px;overflow:hidden;
  background:rgba(8,24,29,.97);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-lg);
  max-height:0;opacity:0;visibility:hidden;
  transition:max-height .3s ease,opacity .25s ease,visibility .25s;
}
.mobile-panel.open{max-height:420px;opacity:1;visibility:visible;}
.mobile-panel ul{padding:10px;}
.mobile-panel li a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 16px;border-radius:14px;
  color:var(--text-2);font-size:15.5px;font-weight:500;
}
.mobile-panel li a:hover,.mobile-panel li a.active{background:rgba(20,224,192,.10);color:var(--brand);}
.mobile-panel .panel-cta{padding:4px 16px 18px;}

/* ---------- 按钮 ---------- */
.btn-glow,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 26px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-glow{
  background:linear-gradient(135deg,#14E0C0,#0FA9B8);
  color:#04161A;box-shadow:var(--glow);
}
.btn-glow:hover{color:#04161A;transform:translateY(-2px);box-shadow:var(--glow-hover);}
.btn-glow:active{transform:translateY(0);box-shadow:0 2px 10px rgba(20,224,192,.28);}
.btn-ghost{
  background:transparent;border-color:rgba(20,224,192,.55);color:var(--brand);
}
.btn-ghost:hover{background:rgba(20,224,192,.10);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-soft{
  background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.10);color:var(--text);
}
.btn-soft:hover{background:rgba(255,255,255,.09);color:var(--text);}
.btn-sm{padding:11px 18px;font-size:14px;border-radius:11px;}
.pill-cta{border-radius:999px;padding:12px 22px;font-size:14.5px;}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:172px 0 96px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(6,19,23,.92) 0%,rgba(6,19,23,.86) 45%,rgba(6,19,23,.98) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;top:-260px;left:50%;transform:translateX(-50%);
  width:120%;height:820px;pointer-events:none;
  background:radial-gradient(60% 60% at 50% 40%,rgba(20,224,192,.16),transparent 70%);
}
.hero .container{position:relative;z-index:3;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;margin-bottom:20px;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px;}
.trust-row{display:flex;gap:10px;flex-wrap:wrap;}
.badge-trust{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--text-2);
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--divider);
}
.badge-trust i{color:var(--brand);font-size:12px;}

.glass-card{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.10);
  border-radius:22px;
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-lg);
  padding:30px;
}
.glass-card h2,.glass-card h3{font-size:19px;margin-bottom:6px;}
.glass-card .card-note{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.rule{height:1px;background:var(--divider);margin:20px 0;}
.step-mini{display:flex;gap:14px;align-items:flex-start;padding:12px 0;}
.step-mini .num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--brand);
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(20,224,192,.10);border:1px solid rgba(20,224,192,.32);
}
.step-mini .txt strong{display:block;font-size:15px;font-weight:600;color:var(--text);}
.step-mini .txt span{font-size:13.5px;color:var(--text-3);}
.query-form label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:500;}
.query-row{display:flex;gap:10px;}
.query-row input{
  flex:1;min-width:0;height:48px;padding:0 14px;
  border-radius:12px;background:rgba(4,16,20,.75);
  border:1px solid var(--line);color:var(--text);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.query-row input::placeholder{color:var(--text-3);}
.query-row input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(20,224,192,.28);
}
.query-row button{flex:0 0 auto;padding:0 20px;height:48px;}
.form-tip{font-size:13px;color:var(--text-3);margin-top:10px;}

/* ---------- 快讯条 ---------- */
.notice-bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 22px;border-radius:16px;
  background:linear-gradient(90deg,rgba(255,194,75,.10),rgba(255,194,75,.02));
  border:1px solid rgba(255,194,75,.22);
}
.notice-bar .tag{
  font-size:12.5px;font-weight:700;color:var(--amber);
  padding:5px 12px;border-radius:999px;background:rgba(255,194,75,.16);
  flex:0 0 auto;
}
.notice-bar p{margin:0;font-size:14.5px;color:var(--text-2);flex:1;min-width:220px;}
.notice-bar a{font-size:14px;font-weight:600;white-space:nowrap;}

/* ---------- 数据条 ---------- */
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:26px;
}
.stat{
  padding:22px 20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--divider);
  transition:border-color .22s ease,transform .22s ease;
}
.stat:hover{border-color:rgba(20,224,192,.35);transform:translateY(-3px);}
.stat .value{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat .label{font-size:13.5px;color:var(--text-2);margin-top:6px;}

/* ---------- 三步卡 ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step-card{
  position:relative;padding:30px 26px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--divider);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(20,224,192,.45);box-shadow:var(--shadow);}
.step-card .big-num{
  font-family:var(--mono);font-size:38px;font-weight:700;
  color:rgba(20,224,192,.32);line-height:1;margin-bottom:16px;display:block;
}
.step-card .icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(20,224,192,.10);border:1px solid rgba(20,224,192,.30);
  color:var(--brand);font-size:18px;margin-bottom:16px;
}
.step-card h3{font-size:19px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.step-card .meta{margin-top:16px;font-size:13px;color:var(--text-3);display:flex;gap:8px;align-items:center;}
.step-card .meta i{color:var(--amber);}

/* ---------- 案例区 ---------- */
.case-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.case-main{
  border-radius:var(--radius);overflow:hidden;
  background:var(--card);border:1px solid var(--divider);
  display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease;
}
.case-main:hover{border-color:rgba(20,224,192,.4);transform:translateY(-4px);}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease;}
.case-main:hover .case-media img{transform:scale(1.03);}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,19,23,.05),rgba(6,19,23,.72));}
.case-body{padding:26px 28px 30px;}
.case-body h3{font-size:22px;margin-bottom:12px;}
.case-body p{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.metric-row{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--divider);padding-top:18px;}
.metric-row .m .v{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--brand);}
.metric-row .m .k{font-size:13px;color:var(--text-3);}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.data-bar{
  border-radius:var(--radius);background:var(--card);border:1px solid var(--divider);
  padding:26px;display:flex;flex-direction:column;justify-content:center;
  transition:border-color .25s ease,transform .25s ease;
}
.data-bar:hover{border-color:rgba(108,92,231,.45);transform:translateY(-4px);}
.data-bar .v{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--brand);line-height:1.15;}
.data-bar .k{font-size:14px;color:var(--text-2);margin-top:8px;}
.data-bar .line{width:44px;height:3px;border-radius:3px;background:var(--indigo);margin-bottom:16px;opacity:.8;}
.scene-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}
.scene-badges span{
  font-size:13px;font-weight:600;color:var(--text-2);
  padding:9px 16px;border-radius:999px;background:var(--card);border:1px solid var(--divider);
}
.scene-badges span i{color:var(--brand);margin-right:6px;font-size:12px;}

/* ---------- 分类卡 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cat-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius);overflow:hidden;
  background:var(--card);border:1px solid var(--divider);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(20,224,192,.45);box-shadow:var(--shadow);}
.cat-thumb{aspect-ratio:21/9;overflow:hidden;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease;}
.cat-card:hover .cat-thumb img{transform:scale(1.03);}
.cat-body{padding:26px 28px 30px;}
.cat-body .badge-topic{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--amber);
  background:rgba(255,194,75,.14);padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.cat-body h3{font-size:21px;margin-bottom:12px;}
.cat-body p{font-size:14.8px;color:var(--text-2);margin-bottom:18px;}
.cat-body ul{margin-bottom:20px;}
.cat-body ul li{font-size:14px;color:var(--text-2);padding-left:20px;position:relative;margin-bottom:8px;}
.cat-body ul li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.7;}
.cat-link{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.cat-link i{font-size:12px;transition:transform .22s ease;}
.cat-link:hover i{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq .accordion-item{
  background:var(--card);border:1px solid var(--divider);
  border-radius:16px !important;margin-bottom:14px;overflow:hidden;
  position:relative;transition:border-color .22s ease,background .22s ease;
}
.faq .accordion-item:hover{border-color:rgba(20,224,192,.30);}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(20,224,192,.45);background:var(--card-2);
}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--brand);box-shadow:0 0 14px rgba(20,224,192,.85);z-index:3;
}
.faq .accordion-button{
  background:transparent;color:var(--text);
  font-size:16.5px;font-weight:600;line-height:1.5;
  padding:16px 22px;min-height:56px;display:flex;align-items:center;gap:14px;
  box-shadow:none;border:0;
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid rgba(20,224,192,.6);outline-offset:-2px;}
.faq .accordion-button .q-num{
  font-family:var(--mono);font-size:14px;color:var(--text-3);flex:0 0 auto;
}
.faq .accordion-button:not(.collapsed) .q-num{color:var(--brand);}
.faq .accordion-button::after{
  margin-left:auto;flex:0 0 auto;
  width:10px;height:10px;
  background-image:none;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transform-origin:center;
  transition:transform .22s ease-out,border-color .22s ease;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand);}
.faq .accordion-body{
  padding:0 22px 22px 50px;color:var(--text-2);font-size:15px;line-height:1.85;
}
.faq .accordion-body strong{color:var(--text);}

/* ---------- 资讯列表 ---------- */
.info-card{
  height:100%;display:flex;flex-direction:column;
  border-radius:var(--radius);overflow:hidden;
  background:var(--card);border:1px solid var(--divider);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(20,224,192,.45);box-shadow:var(--shadow);}
.info-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.info-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.info-card:hover .info-thumb img{transform:scale(1.03);}
.info-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.info-body .tag{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--amber);
  background:rgba(255,194,75,.14);padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.info-body h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-body p{
  font-size:14px;color:var(--text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.info-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;border-top:1px solid var(--divider);padding-top:14px;
  font-size:13px;color:var(--text-3);
}
.info-meta .date{font-family:var(--mono);}
.info-body a.title-link{color:var(--text);display:block;}
.info-body a.title-link:hover{color:var(--brand);}
.empty-card{
  max-width:520px;margin:0 auto;text-align:center;
  padding:44px 32px;border-radius:var(--radius);
  background:var(--card);border:1px dashed rgba(20,224,192,.35);
}
.empty-card i{font-size:26px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-card p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:56px 48px;text-align:center;
  background:var(--glass);
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:520px;
  background:radial-gradient(45% 60% at 50% 40%,rgba(20,224,192,.20),transparent 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:16px;position:relative;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:640px;margin:0 auto 26px;position:relative;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;}
.cta-sub{margin-top:20px;font-size:13.5px;color:var(--text-3);position:relative;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(11,31,38,.55),rgba(6,19,23,.98));
  border-top:1px solid var(--divider);position:relative;z-index:2;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:15px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:12px;}
.footer-col li{margin-bottom:10px;}
.footer-col li a{font-size:14px;color:var(--text-2);}
.footer-col li a:hover{color:var(--brand);}
.footer-contact{font-size:14px;color:var(--text-2);}
.footer-contact .mono{color:var(--text);font-size:13.5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--divider);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .dock-nav{gap:0;}
  .nav-link{padding:10px 11px;font-size:14px;}
}
@media (max-width:991.98px){
  .dock-nav,.dock-actions .icon-btn,.dock-actions .btn-glow{display:none;}
  .burger{display:grid;place-items:center;}
  .hero{padding:150px 0 76px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .glass-card{margin-top:4px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:1fr;}
  .step-card::after{display:none;}
  .case-grid{grid-template-columns:1fr;}
  .case-side{grid-template-rows:auto auto;}
  .cat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:76px 0;}
  .section.tight{padding:64px 0;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .site-header{top:10px;padding:0 12px;}
  .dock{padding:0 10px 0 12px;height:60px;border-radius:16px;}
  .brand-text{font-size:14px;}
  .hero{padding:132px 0 64px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;}
  .cta-band{padding:40px 22px;border-radius:18px;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%;}
  .query-row{flex-direction:column;}
  .query-row button{width:100%;}
  .faq .accordion-body{padding-left:22px;}
  .metric-row{gap:20px;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:575.98px){
  .stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .scene-badges span{flex:1 1 auto;text-align:center;}
  .glass-card{padding:22px;}
}

/* roulang page: article */
:root{
  --bg:#061317;
  --surface:#0B1F26;
  --card:#0E2027;
  --primary:#14E0C0;
  --primary-deep:#0FA9B8;
  --amber:#FFC24B;
  --indigo:#6C5CE7;
  --text:#E9F4F4;
  --text-2:#9FB6BA;
  --text-3:#6C868B;
  --line:#1E3A42;
  --divider:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.10);
  --radius-card:18px;
  --radius-dock:24px;
  --radius-btn:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-pop:0 18px 48px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  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);
  background-size:56px 56px;
}
body::after{
  content:"";
  position:fixed;
  top:-260px;left:50%;
  width:1200px;height:700px;
  transform:translateX(-50%);
  pointer-events:none;
  z-index:0;
  background:radial-gradient(closest-side,rgba(20,224,192,.10),transparent 70%);
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#5CF0DC}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--text);font-weight:700;line-height:1.35;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ============ HEADER / DOCK ============ */
.site-header{
  position:fixed;
  top:14px;left:0;right:0;
  z-index:100;
  display:flex;
  justify-content:center;
  padding:0 20px;
}
.dock{
  width:100%;
  max-width:1180px;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  border-radius:var(--radius-dock);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 12px 34px rgba(0,0,0,.30);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled .dock{
  background:rgba(6,19,23,.88);
  border-color:rgba(20,224,192,.22);
  box-shadow:0 16px 42px rgba(0,0,0,.55);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  color:#04161A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 6px 18px rgba(20,224,192,.32);
  flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{
  font-size:15px;font-weight:700;letter-spacing:.2px;
  color:var(--text);
  white-space:nowrap;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.dock-nav .nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:10px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav .nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(20,224,192,.15));
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
  box-shadow:0 0 10px rgba(20,224,192,.7);
}
.dock-nav .nav-link:hover{color:var(--primary);background:rgba(20,224,192,.06)}
.dock-nav .nav-link:hover::after{opacity:1;transform:scaleX(1)}
.dock-nav .nav-link.active{color:var(--primary);background:rgba(20,224,192,.08)}
.dock-nav .nav-link.active::after{opacity:1;transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  border:1px solid var(--divider);
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(20,224,192,.45);background:rgba(20,224,192,.07)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04161A;
  box-shadow:0 6px 22px rgba(20,224,192,.35);
}
.btn-primary:hover{
  color:#04161A;
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(20,224,192,.50);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 rgba(20,224,192,0)}
.btn-ghost{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(20,224,192,.10);color:var(--primary);transform:translateY(-2px)}
.btn-amber{
  background:rgba(255,194,75,.14);
  border-color:rgba(255,194,75,.45);
  color:var(--amber);
}
.btn-amber:hover{background:rgba(255,194,75,.22);color:var(--amber)}
.dock-cta{padding:9px 18px;font-size:14px}
.burger{
  display:none;
  width:40px;height:40px;
  border-radius:11px;
  border:1px solid var(--divider);
  background:transparent;
  color:var(--text);
  cursor:pointer;
}
.mobile-panel{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  z-index:99;
  padding:92px 24px 26px;
  background:rgba(6,19,23,.97);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-pop);
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.mobile-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-panel a{
  display:block;
  line-height:52px;
  padding:0 6px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid var(--divider);
}
.mobile-panel a.active{color:var(--primary)}
.mobile-panel .btn{width:100%;margin-top:18px;line-height:1.6}

/* ============ ARTICLE HERO / BREADCRUMB ============ */
.page-top{
  position:relative;
  padding:150px 0 44px;
  background-image:linear-gradient(180deg,rgba(6,19,23,.72),rgba(6,19,23,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.breadcrumb-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb-line a{color:var(--text-2)}
.breadcrumb-line a:hover{color:var(--primary)}
.breadcrumb-line .sep{color:var(--text-3);opacity:.7}
.breadcrumb-line .current{color:var(--text-3)}
.category-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(255,194,75,.14);
  color:var(--amber);
}
.article-h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;
  letter-spacing:-.4px;
  max-width:960px;
  margin-bottom:18px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  font-size:13.5px;
  color:var(--text-3);
  padding-top:18px;
  border-top:1px solid var(--divider);
}
.meta-row .mono{font-family:var(--mono);color:var(--text-2)}
.head-cover{
  margin-top:32px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--divider);
}
.head-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ============ ARTICLE BODY ============ */
.article-shell{padding:64px 0 8px}
.article-body{
  max-width:840px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:#DCE9E9;
}
.article-body h2{
  font-size:27px;
  margin:46px 0 18px;
  padding-left:16px;
  border-left:3px solid var(--primary);
  line-height:1.4;
}
.article-body h3{
  font-size:19.5px;
  font-weight:600;
  margin:34px 0 12px;
  color:#F2FBFB;
}
.article-body p{margin:0 0 1.1em}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(20,224,192,.35)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--primary);
  opacity:.85;
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.5em;padding-left:4px}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(20,224,192,.06);
  border-radius:0 12px 12px 0;
  color:#CFE4E4;
  font-size:16px;
}
.article-body img{
  border-radius:12px;
  margin:26px auto;
}
.article-body figure{margin:26px 0}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border:1px solid var(--line);
  text-align:left;
}
.article-body th{background:rgba(20,224,192,.07);color:var(--primary);font-weight:600}
.article-body code{
  font-family:var(--mono);
  font-size:14px;
  background:rgba(255,255,255,.06);
  padding:2px 7px;
  border-radius:6px;
  color:var(--primary);
}
.article-body pre{
  background:#08181E;
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:#CFE4E4}
.article-body hr{border:none;border-top:1px solid var(--divider);margin:36px 0}

/* ============ TAGS ============ */
.tag-row{
  max-width:840px;
  margin:44px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding-top:26px;
  border-top:1px solid var(--divider);
}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(20,224,192,.10);
  color:var(--primary);
  border:1px solid rgba(20,224,192,.22);
  transition:background .2s ease,transform .2s ease;
}
.tag:hover{background:rgba(20,224,192,.18);transform:translateY(-1px)}

/* ============ PREV / NEXT ============ */
.pager{
  max-width:840px;
  margin:34px auto 0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.pager-card{
  display:block;
  padding:22px 24px;
  border-radius:var(--radius-card);
  background:var(--card);
  border:1px solid var(--divider);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.pager-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,192,.45);
  box-shadow:var(--shadow-card);
}
.pager-card .dir{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:8px}
.pager-card .ttl{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.pager-card.next{text-align:right}

/* ============ RELATED ============ */
.section{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
}
.section-head h2{font-size:clamp(23px,2.6vw,30px)}
.section-head .more{font-size:14px;color:var(--text-2)}
.section-head .more:hover{color:var(--primary)}
.eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:1.2px;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:10px;
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);
  border:1px solid var(--divider);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,192,.45);
  box-shadow:var(--shadow-card);
}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--text-3);
}
.card-foot .mono{font-family:var(--mono)}

/* ============ CTA BANNER ============ */
.cta-band{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  padding:56px 40px;
  text-align:center;
  background:linear-gradient(120deg,rgba(20,224,192,.13),rgba(108,92,231,.06)),rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-140px;left:50%;
  width:620px;height:420px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(20,224,192,.22),transparent 72%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(23px,2.8vw,32px);margin-bottom:14px;position:relative}
.cta-band p{color:var(--text-2);font-size:15px;max-width:640px;margin:0 auto 26px;position:relative}
.cta-band .btn{position:relative}
.cta-band .sub-link{display:block;margin-top:16px;font-size:13.5px;color:var(--text-3);position:relative}
.cta-band .sub-link:hover{color:var(--primary)}

/* ============ EMPTY STATE ============ */
.empty-state{
  max-width:680px;
  margin:0 auto;
  padding:56px 32px;
  text-align:center;
  border-radius:var(--radius-card);
  border:1px dashed rgba(20,224,192,.35);
  background:rgba(20,224,192,.04);
}
.empty-state .ico{
  width:56px;height:56px;
  margin:0 auto 18px;
  display:grid;place-items:center;
  border-radius:16px;
  border:1px solid rgba(20,224,192,.35);
  color:var(--primary);
  font-size:22px;
}
.empty-state h2{font-size:21px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:64px;
  padding:64px 0 30px;
  border-top:1px solid var(--divider);
  background:var(--surface);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-contact{font-size:13.5px;color:var(--text-3);margin-bottom:8px}
.mono{font-family:var(--mono)}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--divider);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .dock-nav{display:none}
  .burger{display:grid;place-items:center}
  .mobile-panel{display:block}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .page-top{padding:132px 0 36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{top:10px;padding:0 14px}
  .dock{height:58px;border-radius:16px;padding:0 10px 0 14px;gap:10px}
  .brand-text{font-size:13.5px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .dock-cta{display:none}
  .grid-3{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .section{padding:52px 0}
  .article-shell{padding:44px 0 0}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .cta-band{padding:40px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .article-h1{font-size:26px}
  .meta-row{gap:12px;font-size:12.5px}
  .head-cover img{aspect-ratio:16/9}
}

/* roulang page: category1 */
:root{
  --bg:#061317;
  --surface:#0B1F26;
  --card:#0E2027;
  --brand:#14E0C0;
  --brand-deep:#0FA9B8;
  --amber:#FFC24B;
  --violet:#6C5CE7;
  --text:#E9F4F4;
  --text-2:#9FB6BA;
  --text-3:#6C868B;
  --line:#1E3A42;
  --divider:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-pop:0 18px 48px rgba(0,0,0,.45);
  --glow:0 6px 22px rgba(20,224,192,.35);
  --glow-hover:0 10px 30px rgba(20,224,192,.50);
  --container:1200px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 42% at 50% 0%,rgba(20,224,192,.10),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.04;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{color:var(--text);font-weight:700;letter-spacing:.005em;margin:0}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin-bottom:.4em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-feature-settings:"tnum";letter-spacing:.02em}
body .container{
  width:100%;max-width:var(--container);margin:0 auto;
  padding-left:24px;padding-right:24px;
}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;
  padding:14px 20px;
  transition:padding .3s ease;
}
.dock{
  width:100%;max-width:1180px;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 16px;
  border-radius:24px;
  background:rgba(11,31,38,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--stroke);
  box-shadow:0 6px 24px rgba(0,0,0,.28);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled .dock{
  background:rgba(6,19,23,.92);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
  border-color:rgba(20,224,192,.18);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text)}
.dock-brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--brand);
  background:linear-gradient(135deg,rgba(20,224,192,.16),rgba(20,224,192,.04));
  border:1px solid rgba(20,224,192,.35);
  box-shadow:0 0 18px rgba(20,224,192,.18);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;font-weight:700;white-space:nowrap;letter-spacing:.01em}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;font-weight:500;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(20,224,192,.85);
  transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(20,224,192,.07)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:transparent;border:1px solid var(--divider);
  color:var(--text-2);cursor:pointer;transition:.22s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,192,.45);background:rgba(20,224,192,.08)}
.icon-btn svg{width:19px;height:19px}
.dock-toggle{display:none}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;color:#04161A;
  background:linear-gradient(135deg,#14E0C0,#0FA9B8);
  border:1px solid transparent;cursor:pointer;
  box-shadow:var(--glow);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-glow:hover{color:#04161A;transform:translateY(-2px);box-shadow:var(--glow-hover)}
.btn-glow:active{transform:translateY(0);box-shadow:var(--glow)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--brand);
  background:transparent;border:1px solid var(--brand);cursor:pointer;
  transition:.22s ease;
}
.btn-ghost:hover{background:rgba(20,224,192,.10);color:var(--brand);transform:translateY(-2px)}

/* ---------- 顶部窄幅 Banner ---------- */
.page-main{position:relative;z-index:1}
.page-banner{
  position:relative;margin-top:104px;padding:52px 0 44px;
  background-image:linear-gradient(180deg,rgba(6,19,23,.74),rgba(6,19,23,.95)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--divider);
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,192,.45),transparent);
}
.banner-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:center}
.breadcrumb-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.breadcrumb-row a{color:var(--text-2)}
.breadcrumb-row a:hover{color:var(--brand)}
.breadcrumb-row .sep{color:var(--text-3);opacity:.7}
.breadcrumb-row .current{color:var(--text-3)}
.banner-grid h1{font-size:clamp(28px,3.6vw,42px);line-height:1.3;font-weight:800;margin-bottom:14px}
.banner-lead{color:var(--text-2);font-size:16.5px;max-width:620px;margin:0}
.banner-figure{
  margin:0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--stroke);box-shadow:var(--shadow-card);
}
.banner-figure img{width:100%;height:190px;object-fit:cover}
.banner-figure figcaption{font-size:12.5px;color:var(--text-3);padding:10px 14px;background:rgba(6,19,23,.7)}

/* ---------- 两栏布局 ---------- */
.content-area{padding:64px 0 80px}
.layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:48px;align-items:start}
.toc{
  position:sticky;top:104px;
  background:var(--card);border:1px solid var(--divider);
  border-radius:var(--radius-card);padding:20px 16px;
  box-shadow:var(--shadow-card);
}
.toc-title{
  font-size:12.5px;font-weight:600;color:var(--text-3);
  letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;padding-left:12px;
}
.toc a{
  display:block;padding:10px 12px;margin-bottom:2px;
  font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 10px 10px 0;
  transition:.22s ease;
}
.toc a:hover{color:var(--text);background:rgba(255,255,255,.035)}
.toc a.is-active{
  color:var(--brand);border-left-color:var(--brand);
  background:rgba(20,224,192,.07);
  box-shadow:inset 0 0 0 1px rgba(20,224,192,.18);
}
.toc-note{margin-top:16px;padding:14px 12px 4px;border-top:1px solid var(--divider);font-size:13px;color:var(--text-3);line-height:1.7}

/* ---------- 文档分节 ---------- */
.doc-section{padding:34px 0;border-bottom:1px dashed var(--divider);scroll-margin-top:120px}
.doc-section:first-child{padding-top:0}
.doc-section:last-of-type{border-bottom:0;padding-bottom:8px}
.section-index{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.18em;margin-bottom:8px;display:block;
}
.doc-section h2{
  position:relative;font-size:clamp(21px,2.4vw,28px);line-height:1.4;
  padding-left:16px;margin-bottom:16px;
}
.doc-section h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,#14E0C0,#0FA9B8);
  box-shadow:0 0 12px rgba(20,224,192,.6);
}
.doc-section h3{font-size:18px;font-weight:600;margin:26px 0 12px;color:#F2FBFA}
.doc-section p{color:var(--text-2);font-size:16.5px}
.doc-section strong{color:var(--text);font-weight:600}

.point-card{
  background:var(--card);border:1px solid var(--divider);border-radius:var(--radius-card);
  padding:24px 26px;margin:22px 0 6px;box-shadow:var(--shadow-card);
}
.point-card h3{margin-top:0}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{
  position:relative;padding-left:30px;color:var(--text-2);font-size:15.5px;margin-bottom:12px;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:14px;border-radius:4px;
  border:1.5px solid var(--brand);background:rgba(20,224,192,.14);
}
.step-list{list-style:none;padding:0;margin:20px 0 6px;counter-reset:step}
.step-list li{
  position:relative;padding:16px 20px 16px 68px;margin-bottom:12px;
  background:var(--card);border:1px solid var(--divider);border-radius:14px;
  color:var(--text-2);font-size:15.5px;transition:.25s ease;
}
.step-list li:hover{border-color:rgba(20,224,192,.45);transform:translateY(-3px)}
.step-list li::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;left:20px;top:16px;
  font-family:var(--mono);font-size:15px;font-weight:700;color:var(--brand);
}
.step-list li strong{display:block;color:var(--text);font-size:16px;font-weight:600;margin-bottom:2px}

.table-wrap{
  overflow-x:auto;margin:22px 0 6px;border:1px solid var(--divider);
  border-radius:var(--radius-card);background:var(--card);box-shadow:var(--shadow-card);
}
.spec-table{width:100%;border-collapse:collapse;min-width:560px}
.spec-table thead th{
  text-align:left;font-size:13px;font-weight:600;color:var(--text-3);
  letter-spacing:.08em;padding:15px 20px;border-bottom:1px solid var(--divider);
  background:rgba(255,255,255,.02);white-space:nowrap;
}
.spec-table tbody td{
  padding:15px 20px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--divider);vertical-align:top;
}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover td{background:rgba(20,224,192,.04)}
.spec-table td:first-child{color:var(--text);font-weight:600}

.badge-amber{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;
  color:var(--amber);background:rgba(255,194,75,.14);
  border:1px solid rgba(255,194,75,.28);
}
.badge-brand{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;
  color:var(--brand);background:rgba(20,224,192,.13);
  border:1px solid rgba(20,224,192,.28);
}
.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 6px}
.mini-card{
  background:var(--card);border:1px solid var(--divider);border-radius:14px;
  padding:20px;transition:.25s ease;
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(20,224,192,.45);box-shadow:var(--shadow-card)}
.mini-card .mini-ico{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);background:rgba(20,224,192,.12);border:1px solid rgba(20,224,192,.28);margin-bottom:12px;
}
.mini-card .mini-ico svg{width:18px;height:18px}
.mini-card h4{font-size:16px;margin-bottom:8px}
.mini-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin:0}
.divider-soft{height:1px;background:var(--divider);margin:26px 0}

/* ---------- 轻量 CTA 条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;margin-top:56px;
  border-radius:24px;padding:38px 34px;text-align:center;
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--stroke);
}
.cta-bar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 90% at 50% 0%,rgba(20,224,192,.16),transparent 70%);
}
.cta-bar > *{position:relative;z-index:1}
.cta-bar h2{font-size:clamp(20px,2.3vw,26px);margin-bottom:10px}
.cta-bar p{color:var(--text-2);font-size:15.5px;margin-bottom:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-foot{margin-top:16px;font-size:13.5px;color:var(--text-3)}
.cta-foot a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.cta-foot a:hover{color:var(--brand)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:72px;padding:64px 0 26px;
  background:linear-gradient(180deg,rgba(11,31,38,.6),rgba(6,19,23,1));
  border-top:1px solid var(--divider);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col p{color:var(--text-3);font-size:14px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-3);font-size:14px}
.footer-col ul a:hover{color:var(--brand)}
.footer-contact{margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--divider);
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .layout{grid-template-columns:236px minmax(0,1fr);gap:36px}
}
@media (max-width:991.98px){
  .site-header{padding:12px 16px}
  .dock{height:60px;border-radius:20px;padding:0 10px 0 14px}
  .brand-text{font-size:15px}
  .dock-nav{
    position:fixed;top:84px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:12px;
    background:rgba(6,19,23,.96);
    border:1px solid var(--stroke);border-radius:20px;
    box-shadow:var(--shadow-pop);
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
  }
  .dock-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{height:52px;padding:0 14px;font-size:15.5px;border-radius:12px;justify-content:flex-start}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(20,224,192,.10)}
  .dock-toggle{display:inline-flex}
  .dock-actions .btn-glow{display:none}
  .page-banner{margin-top:94px;padding:40px 0 34px}
  .banner-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .banner-figure img{height:170px}
  .content-area{padding:44px 0 60px}
  .layout{grid-template-columns:minmax(0,1fr);gap:26px}
  .toc{
    position:static;padding:14px;
    display:flex;gap:8px;overflow-x:auto;
    -webkit-overflow-scrolling:touch;scrollbar-width:thin;
  }
  .toc-title{display:none}
  .toc-note{display:none}
  .toc a{
    flex:0 0 auto;white-space:nowrap;margin:0;padding:9px 15px;
    border-left:0;border-radius:var(--radius-pill);border:1px solid var(--divider);
    font-size:13.5px;background:rgba(255,255,255,.02);
  }
  .toc a.is-active{border-color:rgba(20,224,192,.5);box-shadow:none}
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  body .container{padding-left:20px;padding-right:20px}
  .dock{gap:8px}
  .brand-mark{width:32px;height:32px;flex-basis:32px}
  .brand-text{font-size:14px}
  .doc-section{padding:26px 0}
  .doc-section h2{font-size:21px;padding-left:13px}
  .doc-section p{font-size:16px}
  .mini-grid{grid-template-columns:minmax(0,1fr)}
  .cta-bar{padding:30px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .step-list li{padding-left:58px}
}
@media (max-width:519.98px){
  .brand-text{max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .banner-grid h1{font-size:25px}
  .banner-figure img{height:150px}
  .point-card{padding:20px 18px}
  .spec-table thead th,.spec-table tbody td{padding:12px 14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg:#061317;
  --bg-soft:#0B1F26;
  --card:#0E2027;
  --primary:#14E0C0;
  --primary-deep:#0FA9B8;
  --amber:#FFC24B;
  --violet:#6C5CE7;
  --text:#E9F4F4;
  --text-2:#9FB6BA;
  --text-3:#6C868B;
  --line:#1E3A42;
  --divider:rgba(255,255,255,.08);
  --divider-strong:rgba(20,224,192,.45);
  --r-card:18px;
  --r-dock:24px;
  --r-btn:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-pop:0 18px 48px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:radial-gradient(60% 42% at 50% 0%,rgba(20,224,192,.10),transparent 70%);
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  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:64px 64px;
  pointer-events:none;
  z-index:0;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#5cf3da}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:100;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1180px;
  height:64px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  background:rgba(11,31,38,.66);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-dock);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 8px 26px rgba(0,0,0,.30),0 1px 0 rgba(255,255,255,.04) inset;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .dock{
  background:rgba(9,26,32,.92);
  border-color:rgba(20,224,192,.22);
  box-shadow:0 14px 38px rgba(0,0,0,.48);
}
.dock-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:15.5px;
  letter-spacing:.01em;
  white-space:nowrap;
  flex-shrink:0;
}
.dock-brand:hover{color:var(--text)}
.brand-mark{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(20,224,192,.18),rgba(15,169,184,.06));
  border:1px solid rgba(20,224,192,.35);
  color:var(--primary);
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(20,224,192,.65);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(20,224,192,.07)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;
  height:38px;
  border-radius:11px;
  border:1px solid var(--divider);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--divider-strong);background:rgba(20,224,192,.08)}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04161A;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 6px 22px rgba(20,224,192,.35);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(20,224,192,.50);color:#04161A}
.btn-glow:active{transform:translateY(0);box-shadow:0 4px 14px rgba(20,224,192,.30)}
.dock .btn-glow{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid var(--primary);
  background:transparent;
  color:var(--primary);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(20,224,192,.10);transform:translateY(-2px);color:var(--primary)}
.btn-pill{border-radius:999px}
.burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--divider);
  background:rgba(255,255,255,.03);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:background .2s ease}
.burger:hover span{background:var(--primary)}
.mobile-panel{
  pointer-events:auto;
  position:absolute;
  top:78px;
  left:16px;
  right:16px;
  z-index:99;
  display:none;
  padding:10px;
  background:rgba(9,26,32,.97);
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-pop);
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 16px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15.5px;
  font-weight:600;
}
.mobile-panel a:hover{color:var(--primary);background:rgba(20,224,192,.07)}
.mobile-panel a.active{color:var(--primary);background:rgba(20,224,192,.09)}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .current{color:var(--text-3)}

/* ============ 宽幅标题带 ============ */
.page-banner{
  position:relative;
  padding:140px 0 76px;
  background-color:var(--bg-soft);
  background-image:linear-gradient(180deg,rgba(6,19,23,.86) 0%,rgba(6,19,23,.93) 60%,var(--bg) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--divider);
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-80px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,224,192,.14),transparent 66%);
  pointer-events:none;
}
.banner-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.95fr);
  gap:44px;
  align-items:end;
}
.banner-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--amber);
  background:rgba(255,194,75,.14);
  border:1px solid rgba(255,194,75,.28);
  margin-bottom:20px;
}
.banner-grid h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.banner-grid h1 .hl{
  background:linear-gradient(135deg,var(--primary),#7ff5e0);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.banner-lead{
  color:var(--text-2);
  font-size:16.5px;
  max-width:620px;
  margin-bottom:26px;
}
.banner-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--divider);
}
.chip i{color:var(--primary);font-size:12px}
.glass-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card);
  padding:28px 26px;
}
.glass-card h2{
  font-size:17px;
  margin-bottom:6px;
}
.glass-card .card-sub{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.flow-line{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:14px 0;
  border-top:1px solid rgba(255,255,255,.09);
}
.flow-line:first-of-type{border-top:0;padding-top:4px}
.flow-num{
  font-family:var(--mono);
  font-size:15px;
  font-weight:700;
  color:var(--primary);
  min-width:30px;
  padding-top:1px;
}
.flow-line strong{display:block;font-size:14.5px;font-weight:600}
.flow-line span.desc{font-size:13px;color:var(--text-3);line-height:1.65}

/* ============ 通用区块 ============ */
.section{padding:78px 0;position:relative;z-index:1}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.10em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(20,224,192,.6);
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:16px}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--card);
  border:1px solid var(--divider);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.stat-cell{
  padding:26px 26px;
  border-left:1px solid var(--divider);
}
.stat-cell:first-child{border-left:0}
.stat-num{
  font-family:var(--mono);
  font-size:32px;
  font-weight:700;
  color:var(--primary);
  line-height:1.15;
  margin-bottom:6px;
}
.stat-cell:nth-child(2) .stat-num{color:var(--amber)}
.stat-label{font-size:14px;color:var(--text-2)}
.stat-note{font-size:12.5px;color:var(--text-3);margin-top:6px}

/* ============ 图文区块 ============ */
.media-block{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.media-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--divider);
  box-shadow:var(--shadow-card);
}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .5s ease}
.media-figure:hover img{transform:scale(1.03)}
.media-figure .overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,19,23,.10) 0%,rgba(6,19,23,.72) 100%);
}
.media-figure .fig-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  color:var(--text);
  background:rgba(6,19,23,.70);
  border:1px solid rgba(255,255,255,.14);
}
.media-figure .fig-tag i{color:var(--primary);font-size:11px}
.media-copy h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:16px}
.media-copy p{color:var(--text-2);margin-bottom:16px}
.check-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-top:1px solid var(--divider);
  color:var(--text-2);
  font-size:15px;
}
.check-list li:first-child{border-top:0}
.check-list i{color:var(--primary);font-size:13px;margin-top:8px}
.check-list b{color:var(--text);font-weight:600}

/* ============ 卡片网格 ============ */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.tile{
  display:flex;
  flex-direction:column;
  padding:26px 24px 22px;
  background:var(--card);
  border:1px solid var(--divider);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.tile:hover{
  transform:translateY(-4px);
  border-color:var(--divider-strong);
  box-shadow:0 16px 40px rgba(0,0,0,.45);
}
.tile-icon{
  width:44px;
  height:44px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  background:rgba(20,224,192,.10);
  border:1px solid rgba(20,224,192,.26);
  font-size:17px;
  margin-bottom:18px;
}
.tile h3{font-size:18.5px;margin-bottom:10px}
.tile p{color:var(--text-2);font-size:14.8px;flex:1}
.tile-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--divider);
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.tile-link i{font-size:12px;transition:transform .24s ease}
.tile:hover .tile-link i{transform:translateX(4px)}

/* ============ 步进条 ============ */
.step-track{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--card);
  border:1px solid var(--divider);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.step-item{
  position:relative;
  padding:28px 24px;
  border-left:1px solid var(--divider);
}
.step-item:first-child{border-left:0}
.step-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  height:3px;
  width:0;
  background:linear-gradient(90deg,var(--primary),transparent);
  transition:width .3s ease;
}
.step-item:hover::before{width:100%}
.step-num{
  font-family:var(--mono);
  font-size:30px;
  font-weight:700;
  color:rgba(20,224,192,.55);
  line-height:1;
  margin-bottom:14px;
}
.step-item h3{font-size:17.5px;margin-bottom:8px}
.step-item p{font-size:14.5px;color:var(--text-2)}
.step-tag{
  display:inline-block;
  margin-top:14px;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--amber);
  background:rgba(255,194,75,.12);
  border:1px solid rgba(255,194,75,.26);
  border-radius:999px;
  padding:3px 11px;
}

/* ============ 表格 ============ */
.table-wrap{
  background:var(--card);
  border:1px solid var(--divider);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow-x:auto;
}
.table-wrap table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
}
.table-wrap th{
  padding:16px 22px;
  text-align:left;
  font-size:13px;
  font-weight:600;
  letter-spacing:.05em;
  color:var(--text-3);
  background:rgba(255,255,255,.03);
  white-space:nowrap;
}
.table-wrap td{
  padding:16px 22px;
  font-size:14.8px;
  color:var(--text-2);
  border-top:1px solid var(--divider);
}
.table-wrap td:first-child{
  color:var(--text);
  font-weight:600;
}
.table-wrap .mono{font-family:var(--mono);color:var(--primary);font-size:13.5px}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--divider);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-accordion .accordion-button{
  position:relative;
  width:100%;
  padding:18px 56px 18px 62px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  line-height:1.55;
  box-shadow:none;
  transition:color .2s ease,background .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:rgba(20,224,192,.05);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{
  box-shadow:none;
  outline:none;
}
.faq-accordion .accordion-button:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:-2px;
}
.faq-accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:2px;
  background:transparent;
  transition:background .22s ease,box-shadow .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{
  background:var(--primary);
  box-shadow:0 0 12px rgba(20,224,192,.65);
}
.faq-accordion .accordion-button::after{
  content:"";
  position:absolute;
  right:26px;
  top:50%;
  width:10px;
  height:10px;
  margin:0;
  background-image:none;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s ease-out,border-color .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  border-color:var(--primary);
  transform:translateY(-30%) rotate(-135deg);
}
.faq-accordion .faq-index{
  position:absolute;
  left:24px;
  top:20px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--text-3);
}
.faq-accordion .accordion-button:not(.collapsed) .faq-index{color:var(--primary)}
.faq-accordion .accordion-body{
  padding:2px 30px 24px 62px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  background:rgba(255,255,255,.015);
}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;
  margin:0 auto 84px;
  max-width:1200px;
  padding:52px 40px;
  text-align:center;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
  box-shadow:var(--shadow-pop);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(52% 120% at 50% 0%,rgba(20,224,192,.16),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(23px,2.6vw,31px);margin-bottom:14px}
.cta-band p{color:var(--text-2);max-width:640px;margin:0 auto 26px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.cta-links{
  font-size:14px;
  color:var(--text-3);
}
.cta-links a{color:var(--text-2);font-weight:600}
.cta-links a:hover{color:var(--primary)}
.cta-links .dot{margin:0 10px;opacity:.5}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--bg-soft);
  border-top:1px solid var(--divider);
  padding:62px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:38px;
  padding-bottom:38px;
  border-bottom:1px solid var(--divider);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{
  font-size:16px;
  font-weight:700;
  color:var(--text);
}
.footer-col p{
  color:var(--text-3);
  font-size:14px;
  line-height:1.85;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{
  color:var(--text-2);
  font-size:14px;
}
.footer-col ul a:hover{color:var(--primary)}
.footer-contact{margin-bottom:8px}
.footer-contact .mono{font-family:var(--mono);color:var(--text-2);font-size:13px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  align-items:center;
  padding-top:22px;
  font-size:13.5px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .dock-brand{font-size:14.5px}
  .nav-link{padding:0 11px;font-size:14px}
}
@media (max-width:991.98px){
  .dock-nav,.dock .btn-glow,.icon-btn{display:none}
  .burger{display:flex}
  .dock{justify-content:space-between}
  .site-header{top:12px}
  .banner-grid{grid-template-columns:1fr;gap:32px;align-items:start}
  .page-banner{padding:120px 0 62px}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-cell:nth-child(3){border-left:0}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--divider)}
  .media-block{grid-template-columns:1fr;gap:30px}
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-track{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-item:nth-child(3){border-left:0}
  .step-item:nth-child(n+3){border-top:1px solid var(--divider)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section.tight{padding:52px 0}
  .tile-grid{grid-template-columns:1fr;gap:18px}
  .step-track{grid-template-columns:1fr}
  .step-item{border-left:0;border-top:1px solid var(--divider);padding:24px 22px}
  .step-item:first-child{border-top:0}
  .stat-strip{grid-template-columns:1fr}
  .stat-cell{border-left:0;border-top:1px solid var(--divider)}
  .stat-cell:first-child{border-top:0}
  .cta-band{margin:0 20px 62px;padding:38px 22px;border-radius:20px}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
  .faq-accordion .accordion-button{padding:16px 46px 16px 52px;font-size:15.5px}
  .faq-accordion .faq-index{left:18px;top:18px}
  .faq-accordion .accordion-body{padding:2px 22px 20px 52px}
  .faq-accordion .accordion-button::after{right:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .dock{padding:0 10px 0 12px;height:60px}
  .brand-text{font-size:13.5px;white-space:normal;line-height:1.3;max-width:150px}
  .brand-mark{width:30px;height:30px}
  .page-banner{padding:104px 0 52px}
  .banner-grid h1{font-size:27px}
  .banner-lead{font-size:15.5px}
  .glass-card{padding:22px 18px}
  .tile{padding:22px 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}