/* roulang page: index */
:root{
  --c-bg:#0A1424;
  --c-panel:#0E1E33;
  --c-panel-2:#08111E;
  --c-glass:rgba(255,255,255,.06);
  --c-glass-line:rgba(255,255,255,.10);
  --c-primary:#1FA2FF;
  --c-primary-deep:#0F6FD1;
  --c-amber:#F5A524;
  --c-mint:#25E0C8;
  --t-main:#D7E2F0;
  --t-sub:#A8B6C9;
  --t-head:#F2F7FF;
  --t-dark:#16202E;
  --t-dark-sub:#5A6B80;
  --white:#FFFFFF;
  --light:#F5F7FA;
  --line-light:#E7ECF3;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(4,12,26,.45);
  --sh-card-hover:0 16px 40px rgba(4,12,26,.60);
  --sh-glow:0 0 0 1px rgba(31,162,255,.40),0 10px 30px rgba(31,162,255,.35);
  --sh-light:0 1px 12px rgba(16,32,56,.06);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1200px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
a:focus-visible,button:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;position:relative;}
.section-panel{background:var(--c-panel-2);}
.section-deep{background:#08111E;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-amber);
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(245,165,36,.12);
  border:1px solid rgba(245,165,36,.22);
  margin-bottom:18px;
}
.section-title{font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:700;color:var(--t-head);letter-spacing:.01em;}
.section-sub{margin-top:16px;font-size:16px;color:var(--t-sub);line-height:1.85;}

/* 顶栏 */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--white);
  border-bottom:1px solid var(--line-light);
  box-shadow:var(--sh-light);
  transition:box-shadow .22s var(--ease),height .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 4px 20px rgba(16,32,56,.10);}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .22s var(--ease);}
.site-header.is-stuck .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-mint));
  display:grid;place-items:center;color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(31,162,255,.35);
}
.brand-name{font-size:19px;font-weight:700;color:var(--t-dark);letter-spacing:.01em;line-height:1;}
.brand-tag{display:block;font-size:11px;font-weight:500;color:var(--t-dark-sub);letter-spacing:.16em;margin-top:3px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;display:block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:#3B4A5E;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:#F3F6FA;color:var(--c-panel);}
.nav-link.is-active{color:var(--c-panel);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-4px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-mint));
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;width:236px;}
.search-box input{
  width:100%;height:42px;border-radius:var(--r-pill);border:1px solid transparent;
  background:#F3F6FA;padding:0 42px 0 18px;font-size:14px;color:var(--t-dark);outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box input::placeholder{color:#93A2B4;}
.search-box input:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(31,162,255,.14);}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:#8A9AAD;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-light);
  background:#F7F9FC;color:var(--t-dark);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:#EFF4FA;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-mint));box-shadow:var(--sh-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,162,255,.55),0 16px 34px rgba(31,162,255,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(31,162,255,.45),0 6px 16px rgba(31,162,255,.32);}
.btn-ghost{color:var(--t-main);background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.10);transform:translateY(-2px);border-color:rgba(255,255,255,.36);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{color:var(--c-panel);background:#fff;border-color:var(--line-light);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,32,56,.14);}
.btn-text{color:var(--c-primary);padding:6px 0;font-weight:600;background:none;}
.btn-text i{transition:transform .2s var(--ease);}
.btn-text:hover i{transform:translateX(5px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 通用卡片 */
.glass{
  background:var(--c-glass);
  border:1px solid var(--c-glass-line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.glass:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(31,162,255,.35);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
}
.badge-amber{background:rgba(245,165,36,.12);color:var(--c-amber);border:1px solid rgba(245,165,36,.24);}
.badge-mint{background:rgba(37,224,200,.12);color:var(--c-mint);border:1px solid rgba(37,224,200,.24);}
.badge-blue{background:rgba(31,162,255,.14);color:#7CC6FF;border:1px solid rgba(31,162,255,.26);}
.dot-pulse{width:7px;height:7px;border-radius:50%;background:var(--c-amber);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;background:#08111E;}
.hero-layer{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero-layer::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,17,30,.96) 0%,rgba(8,17,30,.74) 48%,rgba(10,20,36,.90) 100%),
             radial-gradient(70% 60% at 80% 26%,rgba(31,162,255,.30),transparent 62%);
}
.hero-mesh{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(31,162,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(31,162,255,.08) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 60% at 38% 42%,#000 18%,transparent 78%);
  mask-image:radial-gradient(70% 60% at 38% 42%,#000 18%,transparent 78%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:132px 0 88px;}
.hero-grid{display:grid;grid-template-columns:1.22fr .95fr;gap:52px;align-items:center;}
.hero h1{
  font-size:clamp(32px,5vw,56px);line-height:1.18;font-weight:700;color:var(--t-head);
  letter-spacing:.01em;margin:20px 0 0;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--c-primary),var(--c-mint));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;max-width:620px;font-size:17px;line-height:1.9;color:var(--t-sub);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.trust-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:52px;padding-top:28px;border-top:1px solid rgba(255,255,255,.10);
}
.trust-item strong{display:block;font-size:26px;font-weight:700;color:var(--t-head);letter-spacing:.01em;}
.trust-item span{display:block;margin-top:6px;font-size:13px;color:var(--t-sub);line-height:1.6;}
.hero-side{position:relative;}
.hero-card{
  padding:18px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.07);border:1px solid var(--c-glass-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 24px 60px rgba(4,12,26,.55);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);}
.hero-card-body{padding:16px 6px 6px;}
.hero-card-body h3{font-size:17px;font-weight:600;color:var(--t-head);}
.hero-card-body p{margin-top:8px;font-size:14px;color:var(--t-sub);line-height:1.75;}
.float-chip{
  position:absolute;left:-22px;bottom:34px;
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:var(--r-md);
  background:rgba(14,30,51,.92);border:1px solid rgba(31,162,255,.35);
  box-shadow:0 12px 30px rgba(4,12,26,.55);
  backdrop-filter:blur(12px);
}
.float-chip i{color:var(--c-mint);font-size:16px;}
.float-chip span{font-size:13px;color:var(--t-main);font-weight:500;}

/* 快速通道条 */
.quick-strip{
  background:var(--c-panel);border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.quick-cell{
  padding:32px 24px;border-right:1px solid rgba(255,255,255,.07);
  display:flex;gap:14px;align-items:flex-start;
}
.quick-cell:last-child{border-right:none;}
.quick-cell i{font-size:20px;color:var(--c-primary);margin-top:4px;}
.quick-cell h3{font-size:16px;font-weight:600;color:var(--t-head);}
.quick-cell p{margin-top:6px;font-size:14px;color:var(--t-sub);line-height:1.7;}

/* 宽窄混合卡片 */
.mix-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.card-wide{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(31,162,255,.35);}
.card-wide-media{position:relative;background:rgba(255,255,255,.04);}
.card-wide-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.card-wide-body{padding:28px;flex:1;display:flex;flex-direction:column;}
.card-wide-body h3{font-size:22px;font-weight:600;color:var(--t-head);margin-top:14px;}
.card-wide-body p{margin-top:12px;font-size:15px;color:var(--t-sub);line-height:1.85;}
.mini-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card-mini{
  display:flex;gap:18px;padding:22px;align-items:center;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(31,162,255,.35);}
.card-mini-media{flex:0 0 116px;background:rgba(255,255,255,.04);border-radius:var(--r-md);overflow:hidden;}
.card-mini-media img{width:116px;height:96px;object-fit:cover;}
.card-mini h4{font-size:17px;font-weight:600;color:var(--t-head);}
.card-mini p{margin-top:8px;font-size:14px;color:var(--t-sub);line-height:1.7;}

/* 流程阶梯 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start;}
.step-card{
  position:relative;padding:32px 26px;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(31,162,255,.35);}
.step-card:nth-child(2){margin-top:28px;}
.step-card:nth-child(3){margin-top:56px;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:14px;
  font-size:17px;font-weight:700;color:var(--c-amber);
  background:rgba(245,165,36,.12);border:1px solid rgba(245,165,36,.28);
}
.step-card h3{margin-top:18px;font-size:19px;font-weight:600;color:var(--t-head);}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--t-sub);line-height:1.8;}
.step-list{margin-top:16px;display:grid;gap:10px;}
.step-list li{position:relative;padding-left:20px;font-size:14px;color:var(--t-sub);line-height:1.7;}
.step-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary),var(--c-mint));
}

/* 安全对比 */
.compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch;}
.plan{
  position:relative;padding:34px 26px;display:flex;flex-direction:column;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.plan.is-featured{
  transform:translateY(-8px);
  border-color:rgba(31,162,255,.55);
  box-shadow:0 0 0 1px rgba(31,162,255,.35),0 22px 50px rgba(31,162,255,.24);
  background:linear-gradient(180deg,rgba(31,162,255,.12),rgba(255,255,255,.05));
}
.plan.is-featured:hover{transform:translateY(-12px);}
.plan-flag{
  position:absolute;top:-13px;right:24px;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
  color:#0A1424;background:linear-gradient(135deg,var(--c-amber),#FFCE6A);
  box-shadow:0 8px 18px rgba(245,165,36,.35);
}
.plan h3{font-size:19px;font-weight:600;color:var(--t-head);}
.plan .plan-note{margin-top:8px;font-size:13.5px;color:var(--t-sub);line-height:1.7;}
.plan-list{margin-top:22px;display:grid;gap:12px;flex:1;}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:var(--t-main);line-height:1.7;}
.plan-list i{color:var(--c-mint);margin-top:5px;font-size:13px;}
.plan .btn{margin-top:26px;width:100%;}

/* 实时状态条 */
.live-bar{
  display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;
  padding:32px 34px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(31,162,255,.14),rgba(37,224,200,.08));
  border:1px solid rgba(31,162,255,.28);
  box-shadow:0 18px 44px rgba(4,12,26,.45);
}
.countdown{display:flex;gap:12px;}
.count-cell{
  min-width:76px;padding:14px 10px;text-align:center;border-radius:var(--r-md);
  background:rgba(8,17,30,.62);border:1px solid rgba(255,255,255,.12);
}
.count-cell strong{display:block;font-size:28px;font-weight:700;color:var(--t-head);line-height:1.1;font-variant-numeric:tabular-nums;}
.count-cell span{display:block;margin-top:6px;font-size:12px;color:var(--t-sub);}
.live-copy h3{font-size:20px;font-weight:600;color:var(--t-head);}
.live-copy p{margin-top:8px;font-size:14.5px;color:var(--t-sub);line-height:1.75;}
.progress{margin-top:16px;height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);overflow:hidden;max-width:420px;}
.progress span{display:block;height:100%;width:68%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-mint));}

/* 表单区 */
.form-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start;}
.form-card{
  padding:36px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.72);border:1px solid var(--line-light);
  box-shadow:0 18px 44px rgba(4,12,26,.35);
  backdrop-filter:blur(10px);
}
.form-card h3{font-size:22px;font-weight:700;color:var(--t-dark);}
.form-card > p{margin-top:10px;font-size:14.5px;color:var(--t-dark-sub);line-height:1.75;}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.col-span{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--t-dark);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  border:1px solid #DCE3EC;background:#F7F9FC;color:var(--t-dark);
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#93A2B4;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(31,162,255,.14);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7B8A9C 50%),linear-gradient(135deg,#7B8A9C 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.agree{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13.5px;color:var(--t-dark-sub);line-height:1.7;}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary);}
.form-foot{display:flex;align-items:center;gap:18px;margin-top:24px;flex-wrap:wrap;}
.form-note{font-size:13.5px;color:var(--c-primary-deep);font-weight:600;}
.info-card{
  padding:30px;border-radius:var(--r-lg);
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  box-shadow:var(--sh-card);backdrop-filter:blur(14px);
}
.info-card h3{font-size:18px;font-weight:600;color:var(--t-head);}
.info-list{margin-top:22px;display:grid;gap:18px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;}
.info-list i{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(31,162,255,.14);color:#7CC6FF;font-size:15px;
}
.info-list strong{display:block;font-size:14.5px;font-weight:600;color:var(--t-head);}
.info-list span{display:block;margin-top:4px;font-size:13.5px;color:var(--t-sub);line-height:1.7;}
.qr-box{
  margin-top:24px;padding:18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.18);
  display:flex;align-items:center;gap:16px;
}
.qr-box img{width:72px;height:72px;object-fit:cover;border-radius:10px;}
.qr-box span{font-size:13.5px;color:var(--t-sub);line-height:1.7;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(31,162,255,.35);}
.news-media{position:relative;background:rgba(255,255,255,.04);}
.news-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  margin-top:14px;font-size:17px;font-weight:600;color:var(--t-head);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;font-size:14px;color:var(--t-sub);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);}
.news-foot time{font-size:13px;color:#8496AB;}
.news-foot .btn-text{font-size:13.5px;}
.empty-state{
  padding:56px 24px;text-align:center;border-radius:var(--r-lg);
  background:var(--c-glass);border:1px dashed rgba(255,255,255,.18);
}
.empty-state i{font-size:28px;color:rgba(255,255,255,.28);}
.empty-state p{margin-top:14px;font-size:15px;color:var(--t-sub);}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  border-radius:var(--r-md);overflow:hidden;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(31,162,255,.45);box-shadow:0 0 0 1px rgba(31,162,255,.22),0 12px 30px rgba(4,12,26,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--t-head);line-height:1.6;
}
.faq-icon{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;color:var(--c-primary);
  background:rgba(31,162,255,.14);transition:transform .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 24px 24px;font-size:15px;color:var(--t-sub);line-height:1.85;}

/* CTA 条 */
.cta-band{
  padding:56px 48px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(31,162,255,.20),rgba(37,224,200,.10));
  border:1px solid rgba(31,162,255,.30);
  box-shadow:0 22px 54px rgba(4,12,26,.5);
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;color:var(--t-head);line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--t-sub);line-height:1.8;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:#08111E;border-top:1px solid rgba(255,255,255,.08);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-name{color:#F2F7FF;}
.footer-brand .brand-tag{color:#8496AB;}
.footer-desc{margin-top:18px;font-size:14px;color:var(--t-sub);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t-head);margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--t-sub);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--c-primary);transform:translateX(3px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t-sub);line-height:1.75;align-items:flex-start;}
.footer-contact i{color:var(--c-primary);margin-top:5px;}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8DA3;
}
.footer-bottom a{color:#7C8DA3;}
.footer-bottom a:hover{color:var(--c-primary);}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(8,17,30,.55);opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line-light);}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-light);background:#F7F9FC;cursor:pointer;color:var(--t-dark);}
.drawer-nav{display:grid;gap:6px;margin-top:20px;}
.drawer-nav a{padding:14px 16px;border-radius:var(--r-sm);font-size:15.5px;font-weight:500;color:#3B4A5E;}
.drawer-nav a:hover{background:#F3F6FA;}
.drawer-nav a.is-active{background:rgba(31,162,255,.10);color:var(--c-primary-deep);font-weight:600;}
.drawer-search{margin-top:20px;position:relative;}
.drawer-search input{width:100%;height:46px;border-radius:var(--r-sm);border:1px solid var(--line-light);background:#F7F9FC;padding:0 16px;outline:none;color:var(--t-dark);}
.drawer-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(31,162,255,.14);}
.drawer .btn{margin-top:20px;width:100%;color:#fff;}

/* 图片占位 */
.img-holder{position:relative;background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.03));}
.img-holder.img-broken::after{
  content:"\f03e";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;inset:0;display:grid;place-items:center;
  color:rgba(255,255,255,.28);font-size:24px;
}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .nav-menu,.search-box{display:none;}
  .nav-toggle{display:flex;}
  .nav-right{gap:10px;}
  .hero-inner{padding:112px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .trust-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quick-cell{border-right:none;border-bottom:1px solid rgba(255,255,255,.07);}
  .mix-grid{grid-template-columns:1fr;}
  .mini-stack{grid-template-rows:auto auto;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step-card:nth-child(2),.step-card:nth-child(3){margin-top:0;}
  .compare{grid-template-columns:1fr;}
  .plan.is-featured{transform:none;}
  .plan.is-featured:hover{transform:translateY(-6px);}
  .live-bar{grid-template-columns:1fr;gap:24px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  body{font-size:15.5px;}
  .section{padding:var(--sp-section) 0;}
  .hero{min-height:72vh;}
  .hero-inner{padding:96px 0 60px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .trust-row{grid-template-columns:1fr 1fr;gap:18px;margin-top:36px;}
  .trust-item strong{font-size:22px;}
  .quick-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .card-wide-body,.news-body{padding:22px;}
  .card-mini{flex-direction:column;align-items:flex-start;}
  .card-mini-media{flex:none;width:100%;}
  .card-mini-media img{width:100%;height:170px;}
  .form-card{padding:24px;}
  .field-grid{grid-template-columns:1fr;}
  .countdown{flex-wrap:wrap;}
  .count-cell{min-width:66px;padding:12px 8px;}
  .count-cell strong{font-size:22px;}
  .cta-band{padding:34px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-chip{left:0;bottom:-16px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .trust-row{grid-template-columns:1fr;}
  .brand-name{font-size:17px;}
  .brand-tag{display:none;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  .glass:hover,.card-wide:hover,.card-mini:hover,.step-card:hover,.news-card:hover,.plan:hover,.btn:hover{transform:none !important;}
}

/* roulang page: article */
:root{
  --ink-900:#0A1424;
  --ink-850:#08111E;
  --ink-800:#0E1E33;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --text:#D7E2F0;
  --text-dim:#A8B6C9;
  --title:#F2F7FF;
  --blue:#1FA2FF;
  --amber:#F5A524;
  --mint:#25E0C8;
  --light:#FFFFFF;
  --light-2:#F5F7FA;
  --light-line:#E7ECF3;
  --light-text:#16202E;
  --light-dim:#5A6B80;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-card:0 8px 24px rgba(4,12,26,.45);
  --shadow-hover:0 16px 40px rgba(4,12,26,.60);
  --shadow-light:0 1px 12px rgba(16,32,56,.06);
  --glow-btn:0 0 0 1px rgba(31,162,255,.40),0 10px 30px rgba(31,162,255,.35);
  --t:200ms cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--ink-900);
  background-image:
    radial-gradient(900px 460px at 12% -6%,rgba(31,162,255,.18),transparent 62%),
    radial-gradient(760px 420px at 92% 4%,rgba(37,224,200,.12),transparent 60%);
  background-repeat:no-repeat;
}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--blue);}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
::selection{background:rgba(31,162,255,.35);color:#fff;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.container,.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;
  color:var(--mint);background:rgba(37,224,200,.10);border:1px solid rgba(37,224,200,.28);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:18px;
}
.section-title{font-size:clamp(24px,3.2vw,36px);line-height:1.3;}
.section-sub{color:var(--text-dim);font-size:16px;margin-top:14px;}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--light);
  border-bottom:1px solid var(--light-line);box-shadow:var(--shadow-light);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(16,32,56,.12);}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue),var(--mint));color:#fff;font-size:17px;
  box-shadow:0 8px 20px rgba(31,162,255,.35);
}
.brand-name{display:block;font-size:19px;font-weight:700;color:var(--light-text);line-height:1.15;letter-spacing:.5px;}
.brand-tag{display:block;font-size:10px;letter-spacing:2px;color:var(--light-dim);font-weight:600;}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:12px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--light-text);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--blue),var(--mint));transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--blue);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--blue);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{position:relative;width:240px;}
.search-box input{
  width:100%;height:40px;border-radius:var(--pill);border:1px solid transparent;background:var(--light-2);
  padding:0 40px 0 16px;color:var(--light-text);font-size:14px;outline:none;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box input::placeholder{color:#93A2B5;}
.search-box input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(31,162,255,.16);}
.search-box i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:#93A2B5;font-size:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  border-radius:var(--pill);font-weight:600;text-align:center;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-md{height:50px;padding:0 30px;font-size:15px;}
.btn-primary{
  background:linear-gradient(120deg,var(--blue),var(--mint));color:#fff;box-shadow:var(--glow-btn);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,162,255,.55),0 16px 36px rgba(31,162,255,.45);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(31,162,255,.5),0 6px 16px rgba(31,162,255,.35);}
.btn-ghost{
  background:transparent;color:var(--title);border:1px solid var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.40);transform:translateY(-2px);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost--dark{color:var(--light-text);border-color:#D6DFEA;}
.btn-ghost--dark:hover{background:#EEF3F9;border-color:#BCC9D8;color:var(--light-text);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:15px;background:none;border:none;cursor:pointer;padding:0;
}
.btn-link i{transition:transform var(--t);}
.btn-link:hover i{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--light-line);background:#fff;
  color:var(--light-text);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}

/* ===== 面包屑 ===== */
.crumb-bar{padding:24px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);}
.breadcrumb a{color:var(--text-dim);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--blue);font-weight:600;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章头部 ===== */
.article-head{padding:26px 0 34px;}
.article-title{
  font-size:clamp(28px,4vw,46px);line-height:1.25;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--text-dim);}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item i{color:var(--blue);font-size:13px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-amber{background:rgba(245,165,36,.14);color:var(--amber);border:1px solid rgba(245,165,36,.30);}
.badge-mint{background:rgba(37,224,200,.12);color:var(--mint);border:1px solid rgba(37,224,200,.28);}
.badge-blue{background:rgba(31,162,255,.14);color:#7FC8FF;border:1px solid rgba(31,162,255,.30);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 rgba(245,165,36,.6);animation:pulse 2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(245,165,36,.55)}70%{box-shadow:0 0 0 9px rgba(245,165,36,0)}100%{box-shadow:0 0 0 0 rgba(245,165,36,0)}}
.cover-wrap{
  margin-top:30px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:var(--glass);
}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-fallback{
  width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(31,162,255,.18),rgba(37,224,200,.12));color:var(--text-dim);font-size:14px;gap:10px;
}
.img-fallback{
  width:100%;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,rgba(31,162,255,.16),rgba(37,224,200,.10));color:var(--text-dim);font-size:13px;
}

/* ===== 文章布局 ===== */
.article-layout{padding:20px 0 40px;}
.article-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 42px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
}
.article-body{font-size:16.5px;line-height:1.95;color:var(--text);}
.article-body>p:first-of-type{font-size:17.5px;color:#E6EEFA;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.4;margin:44px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--blue),var(--mint));
}
.article-body h3{font-size:20px;line-height:1.45;margin:32px 0 14px;color:#EAF3FF;}
.article-body h3::before{content:"§ ";color:var(--amber);font-weight:600;}
.article-body ul,.article-body ol{padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--blue);}
.article-body ol li::marker{color:var(--amber);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:rgba(255,255,255,.05);border-left:4px solid var(--blue);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#DCE8F7;
  box-shadow:0 0 24px rgba(31,162,255,.14) inset;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-sm);margin:24px 0 10px;border:1px solid var(--line);}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border-radius:var(--radius-sm);overflow:hidden;}
.article-body thead th{background:rgba(31,162,255,.16);color:#EAF3FF;font-weight:600;}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--line);text-align:left;}
.article-body tbody tr:nth-child(odd){background:rgba(255,255,255,.035);}
.article-body code{
  background:rgba(255,255,255,.09);border:1px solid var(--line);border-radius:6px;padding:2px 7px;
  font-size:14px;color:#9FE4FF;
}
.article-body a{color:var(--blue);border-bottom:1px dashed rgba(31,162,255,.5);}
.article-body a:hover{color:var(--mint);border-color:var(--mint);}
.caption{font-size:13px;color:var(--text-dim);text-align:center;margin:0 0 24px;}

/* ===== 侧栏 ===== */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,162,255,.35);}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--blue);font-size:15px;}
.toc-list{list-style:none;padding:0;margin:0;font-size:14.5px;}
.toc-list li{padding:9px 0;border-bottom:1px dashed var(--line);}
.toc-list li:last-child{border-bottom:none;padding-bottom:0;}
.toc-list a{display:flex;align-items:center;gap:10px;color:var(--text-dim);}
.toc-list a:hover{color:var(--blue);}
.toc-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);flex-shrink:0;}
.rel-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:16px;}
.rel-item{display:flex;gap:12px;align-items:flex-start;}
.rel-thumb{
  width:74px;height:56px;flex-shrink:0;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--glass);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-item h4{font-size:14.5px;line-height:1.55;font-weight:600;color:#E6EEFA;margin-bottom:4px;}
.rel-item span{font-size:12.5px;color:var(--text-dim);}
.rel-item:hover h4{color:var(--blue);}
.cta-card{
  background:linear-gradient(150deg,rgba(31,162,255,.22),rgba(37,224,200,.12));
  border:1px solid rgba(31,162,255,.35);border-radius:var(--radius);padding:26px;
}
.cta-card h3{font-size:18px;margin-bottom:10px;}
.cta-card p{font-size:14.5px;color:#CFE0F2;margin-bottom:18px;}

/* ===== 空态 ===== */
.empty-state{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:64px 32px;text-align:center;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.empty-state i{font-size:38px;color:var(--blue);margin-bottom:18px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--text-dim);margin-bottom:22px;}

/* ===== 卡片网格 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,162,255,.35);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 400ms cubic-bezier(.4,0,.2,1);}
.card:hover .card-media img{transform:scale(1.05);}
.card-tag{position:absolute;left:14px;top:14px;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:17.5px;line-height:1.5;margin-bottom:10px;}
.card:hover .card-title{color:var(--blue);}
.card-text{font-size:14.5px;color:var(--text-dim);margin-bottom:18px;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-dim);border-top:1px dashed var(--line);padding-top:14px;
}
.card-foot i{color:var(--blue);}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion.article-accordion{border:none;background:transparent;}
.article-accordion .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;
  overflow:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color var(--t),box-shadow var(--t);
}
.article-accordion .accordion-item.is-active{border-color:rgba(31,162,255,.45);box-shadow:0 10px 30px rgba(31,162,255,.18);}
.article-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--title);border:none;background:transparent;position:relative;
}
.article-accordion .accordion-title:hover{color:var(--blue);background:rgba(255,255,255,.03);}
.article-accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(31,162,255,.16);color:var(--blue);position:absolute;right:24px;top:50%;transform:translateY(-50%);
  transition:transform var(--t),background var(--t);
}
.article-accordion .accordion-title::after{display:none;}
.article-accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);background:rgba(245,165,36,.18);color:var(--amber);
}
.article-accordion .accordion-content{
  padding:0 24px 22px;border:none;background:transparent;color:var(--text-dim);font-size:15px;line-height:1.8;
}

/* ===== CTA 条 ===== */
.cta-band{
  margin:20px 0 0;border-radius:var(--radius-lg);padding:52px 48px;
  background:
    linear-gradient(120deg,rgba(31,162,255,.24),rgba(37,224,200,.14)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border:1px solid rgba(31,162,255,.30);box-shadow:var(--shadow-card);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:#D6E6F7;margin:0;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-850);border-top:1px solid var(--line);margin-top:40px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{color:#7B8CA3;}
.footer-desc{font-size:14.5px;color:var(--text-dim);max-width:340px;margin:0;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:var(--text-dim);}
.footer-col a:hover{color:var(--blue);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-dim);}
.footer-contact i{color:var(--blue);width:16px;text-align:center;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:#7B8CA3;
}
.footer-bottom a{color:#9FB4CC;}
.footer-bottom a:hover{color:var(--blue);}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:flex-start;gap:4px;
    background:#fff;padding:14px 24px 20px;border-bottom:1px solid var(--light-line);box-shadow:0 14px 30px rgba(16,32,56,.12);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{width:100%;padding:11px 0;border-bottom:1px dashed var(--light-line);}
  .nav-link::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:16px;}
  .section{padding:72px 0;}
  .article-panel{padding:30px 26px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:40px 30px;}
}
@media screen and (max-width:639px){
  body{font-size:15px;}
  .container,.grid-container{padding-left:18px;padding-right:18px;}
  .nav-inner{height:60px;}
  .search-box{display:none;}
  .section{padding:48px 0;}
  .article-head{padding:18px 0 26px;}
  .article-panel{padding:22px 18px;border-radius:var(--radius);}
  .article-body{font-size:15.5px;line-height:1.9;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:30px 20px;border-radius:var(--radius);}
  .cta-actions .btn{width:100%;}
  .breadcrumb .current{max-width:180px;}
}
@media screen and (min-width:1441px){
  .container,.grid-container{max-width:1280px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .card:hover,.side-card:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#0A1424;
  --bg-deep:#08111E;
  --panel:#0E1E33;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.22);
  --pri:#1FA2FF;
  --pri-deep:#0B6FBF;
  --amber:#F5A524;
  --mint:#25E0C8;
  --t1:#F2F7FF;
  --t2:#D7E2F0;
  --t3:#A8B6C9;
  --ink:#16202E;
  --ink-2:#5A6B80;
  --light:#F5F7FA;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(4,12,26,.45);
  --sh-h:0 16px 40px rgba(4,12,26,.6);
  --sh-light:0 1px 12px rgba(16,32,56,.06);
  --glow:0 0 0 1px rgba(31,162,255,.4), 0 10px 30px rgba(31,162,255,.35);
  --ease:cubic-bezier(.4,0,.2,1);
  --sec-pad:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(31,162,255,.18), transparent 62%),
    radial-gradient(760px 460px at 92% 8%, rgba(37,224,200,.12), transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--pri);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--mint);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--pri);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:var(--sec-pad) 0;}
.section-tight{padding:64px 0;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid #E7ECF3;
  box-shadow:var(--sh-light);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(16,32,56,.12);}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--pri),var(--mint));
  color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(31,162,255,.35);
}
.brand-name{display:block;font-size:18px;font-weight:700;color:var(--ink);line-height:1.2;letter-spacing:.4px;}
.brand-tag{display:block;font-size:10px;letter-spacing:2px;color:#8A98AC;line-height:1.4;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;color:#42536B;white-space:nowrap;
}
.nav-link:hover{color:var(--pri-deep);background:#F1F6FC;}
.nav-link.is-active{color:#0B4A80;font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--pri),var(--mint));
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;width:238px;}
.search-box input{
  width:100%;height:40px;border-radius:999px;border:1px solid #E7ECF3;background:#F3F6FA;
  padding:0 40px 0 16px;font-size:14px;color:var(--ink);transition:all .2s var(--ease);
}
.search-box input::placeholder{color:#93A2B8;}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--pri);
  box-shadow:0 0 0 3px rgba(31,162,255,.18);
}
.search-box i{position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:13px;color:#93A2B8;pointer-events:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid #E7ECF3;background:#F7F9FC;
  color:var(--ink);font-size:17px;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s var(--ease);
}
.nav-toggle:hover{background:#EEF3F9;border-color:#D8E2EE;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--pri),var(--mint));color:#fff;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,162,255,.55),0 16px 36px rgba(31,162,255,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(31,162,255,.5),0 6px 16px rgba(31,162,255,.3);}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--t1);
}
.btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.14);}
.btn-light{background:#fff;color:var(--pri-deep);box-shadow:0 8px 22px rgba(6,20,40,.28);}
.btn-light:hover{color:var(--pri-deep);transform:translateY(-2px);background:#F4FAFF;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--pri);font-weight:600;font-size:15px;padding:6px 0;
}
.btn-link i{transition:transform .2s var(--ease);}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- 通用小件 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 12px;font-size:12px;font-weight:600;line-height:1.4;letter-spacing:.3px;
}
.badge-amber{background:rgba(245,165,36,.14);color:var(--amber);}
.badge-mint{background:rgba(37,224,200,.14);color:var(--mint);}
.badge-line{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t3);}
.dot-pulse{width:6px;height:6px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 rgba(245,165,36,.6);animation:pulse 2s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(245,165,36,.55);}
  70%{box-shadow:0 0 0 9px rgba(245,165,36,0);}
  100%{box-shadow:0 0 0 0 rgba(245,165,36,0);}
}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;margin-bottom:14px;}
.sec-head p{color:var(--t3);margin:0;font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--amber);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--amber);}
.divider{height:1px;background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,0));border:0;margin:0;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#B7C4D6;margin-bottom:22px;}
.crumb a{color:#C6D3E4;}
.crumb a:hover{color:var(--mint);}
.crumb span.sep{color:rgba(255,255,255,.3);}
.crumb .now{color:var(--mint);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:52vh;display:flex;align-items:center;
  padding:66px 0 62px;
  background-color:#0A1424;
  background-image:linear-gradient(100deg,rgba(6,14,28,.94) 0%,rgba(7,18,34,.86) 45%,rgba(8,22,40,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(70% 70% at 30% 40%,#000 0%,transparent 78%);
  mask-image:radial-gradient(70% 70% at 30% 40%,#000 0%,transparent 78%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.hero-copy h1{font-size:clamp(32px,5vw,48px);line-height:1.2;margin:14px 0 18px;}
.hero-copy h1 em{font-style:normal;color:var(--mint);}
.hero-sub{font-size:17px;color:var(--t2);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--t2);backdrop-filter:blur(10px);
}
.fact-chip i{color:var(--pri);font-size:13px;}
.hero-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;backdrop-filter:blur(14px);box-shadow:var(--sh);
}
.hero-panel h3{font-size:17px;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.hero-panel h3 i{color:var(--amber);}
.mini-step{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.12);}
.mini-step:last-of-type{border-bottom:0;}
.mini-step .no{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(245,165,36,.14);color:var(--amber);font-size:13px;font-weight:700;
}
.mini-step .tt{font-size:14px;color:var(--t1);font-weight:600;margin-bottom:2px;}
.mini-step .dd{font-size:13px;color:var(--t3);line-height:1.65;}

/* ---------- 简介 ---------- */
.intro-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:40px;align-items:start;}
.intro-text p{font-size:16.5px;line-height:1.9;color:var(--t2);}
.intro-text strong{color:var(--t1);font-weight:600;}
.intro-stat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
}
.intro-stat .row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.12);}
.intro-stat .row:last-child{border-bottom:0;}
.intro-stat .k{font-size:13.5px;color:var(--t3);}
.intro-stat .v{font-size:20px;font-weight:700;color:var(--t1);}
.intro-stat .v small{font-size:12px;color:var(--t3);font-weight:500;margin-left:3px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- 交错图文 ---------- */
.zig-list{display:flex;flex-direction:column;gap:36px;}
.zig{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;backdrop-filter:blur(14px);box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.zig:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(31,162,255,.35);}
.zig-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:rgba(255,255,255,.04);
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.zig:hover .zig-media img{transform:scale(1.04);}
.zig-body h3{font-size:21px;margin:12px 0 12px;line-height:1.4;}
.zig-body p{font-size:15.5px;color:var(--t2);margin-bottom:14px;}
.zig-body ul{display:flex;flex-direction:column;gap:9px;}
.zig-body li{position:relative;padding-left:22px;font-size:14.5px;color:var(--t3);}
.zig-body li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--pri),var(--mint));
}
.zig.reverse .zig-media{order:2;}

/* ---------- 横版卡片列表 ---------- */
.h-list{display:flex;flex-direction:column;gap:18px;}
.h-card{
  display:grid;grid-template-columns:180px minmax(0,1fr) auto;gap:24px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.h-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(31,162,255,.35);}
.h-card .thumb{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/10;background:rgba(255,255,255,.04);}
.h-card .thumb img{width:100%;height:100%;object-fit:cover;}
.h-card h3{font-size:18px;margin-bottom:6px;}
.h-card p{margin:0;font-size:14.5px;color:var(--t3);line-height:1.7;}
.h-card .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}

/* ---------- 流程时间轴 ---------- */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(31,162,255,.7),rgba(37,224,200,.5),rgba(245,165,36,.55));
  opacity:.55;
}
.flow-item{position:relative;padding-top:58px;}
.flow-item .no{
  position:absolute;top:0;left:0;width:54px;height:54px;border-radius:16px;
  display:grid;place-items:center;font-size:16px;font-weight:700;
  background:rgba(245,165,36,.14);color:var(--amber);border:1px solid rgba(245,165,36,.3);
  backdrop-filter:blur(8px);
}
.flow-item h3{font-size:18px;margin-bottom:8px;}
.flow-item p{font-size:14.5px;color:var(--t3);margin:0;}

/* ---------- 数据徽章组 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  background:linear-gradient(120deg,rgba(31,162,255,.12),rgba(37,224,200,.06) 55%,rgba(245,165,36,.10));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
}
.stat-band .item{text-align:left;padding-right:12px;}
.stat-band .num{font-size:clamp(26px,3.4vw,36px);font-weight:700;color:var(--t1);line-height:1.2;}
.stat-band .num span{font-size:16px;color:var(--mint);margin-left:2px;}
.stat-band .lb{font-size:13.5px;color:var(--t3);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;backdrop-filter:blur(12px);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion .accordion-item.is-active{
  border-color:rgba(31,162,255,.45);
  box-shadow:0 0 0 1px rgba(31,162,255,.22),0 12px 30px rgba(4,12,26,.5);
}
.accordion .accordion-title{
  position:relative;display:block;border:0;background:transparent;
  color:var(--t1);font-size:17px;font-weight:600;line-height:1.5;
  padding:22px 64px 22px 26px;
}
.accordion .accordion-title:hover{background:rgba(255,255,255,.03);color:var(--t1);}
.accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:11px;color:var(--pri);border:1px solid rgba(31,162,255,.4);
  background:rgba(31,162,255,.10);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(135deg);background:rgba(31,162,255,.22);}
.accordion .accordion-content{
  border:0;background:transparent;color:var(--t2);
  padding:0 26px 24px;font-size:15px;line-height:1.85;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(31,162,255,.16),rgba(10,20,36,.6) 48%,rgba(245,165,36,.14));
  border:1px solid rgba(31,162,255,.28);border-radius:var(--r-lg);
  padding:44px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  box-shadow:var(--sh);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,224,200,.28),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;position:relative;z-index:1;}
.cta-band p{margin:0;color:var(--t2);font-size:15.5px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-name{color:var(--t1);}
.footer-brand .brand-tag{color:#7C8CA3;}
.footer-desc{font-size:14.5px;color:var(--t3);line-height:1.85;margin:0;}
.footer-col h4{font-size:16px;margin-bottom:16px;color:var(--t1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14.5px;color:var(--t3);}
.footer-col ul a:hover{color:var(--mint);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--t3);}
.footer-contact i{color:var(--pri);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13.5px;color:#8194AB;
}
.footer-bottom a{color:#9FB3CA;}
.footer-bottom a:hover{color:var(--mint);}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .zig:hover,.h-card:hover,.btn:hover{transform:none !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-pad:64px;}
  .nav-menu{
    position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:#fff;border-top:1px solid #E7ECF3;border-bottom:1px solid #E7ECF3;
    padding:12px 20px 18px;gap:2px;box-shadow:0 18px 34px rgba(16,32,56,.14);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:12px 10px;font-size:15.5px;}
  .nav-link.is-active::after{left:10px;right:auto;width:26px;bottom:6px;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .intro-grid{grid-template-columns:1fr;gap:28px;}
  .zig{grid-template-columns:1fr;gap:22px;}
  .zig.reverse .zig-media{order:0;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:34px;}
  .flow::before{display:none;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .cta-band{grid-template-columns:1fr;padding:34px;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .nav-inner{height:58px;gap:12px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px;}
  .brand-name{font-size:16px;}
  .brand-tag{display:none;}
  .page-hero{min-height:auto;padding:34px 0 42px;}
  .hero-copy h1{font-size:clamp(26px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .hero-panel{padding:22px;}
  .h-card{grid-template-columns:1fr;gap:16px;}
  .h-card .thumb{aspect-ratio:16/9;}
  .h-card .go{justify-self:start;}
  .flow{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;gap:20px;padding:24px;}
  .accordion .accordion-title{font-size:15.5px;padding:18px 56px 18px 20px;}
  .accordion .accordion-content{padding:0 20px 20px;font-size:14.5px;}
  .cta-band{padding:26px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (min-width:1440px){
  .container,.grid-container{max-width:1240px;}
}

/* roulang page: category2 */
:root{
  --brand:#1FA2FF;
  --brand-2:#25E0C8;
  --amber:#F5A524;
  --bg:#0A1424;
  --panel:#0E1E33;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.10);
  --title:#F2F7FF;
  --text:#D7E2F0;
  --muted:#A8B6C9;
  --ink:#16202E;
  --ink-2:#5A6B80;
  --light:#F5F7FA;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(4,12,26,.45);
  --shadow-hover:0 16px 40px rgba(4,12,26,.6);
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
section[id]{scroll-margin-top:96px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航（白底内容平台式） ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;
  border-bottom:1px solid #E7ECF3;
  box-shadow:0 1px 12px rgba(16,32,56,.06);
  transition:box-shadow .2s var(--ease);
}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:72px;transition:height .2s var(--ease)}
.site-header.is-stuck .nav-inner{height:60px}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(16,32,56,.12)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:17px;
  box-shadow:0 6px 18px rgba(31,162,255,.35);
}
.brand-name{display:block;font-size:17px;font-weight:700;color:var(--ink);line-height:1.15;letter-spacing:.2px}
.brand-tag{display:block;font-size:10px;font-weight:600;letter-spacing:1.6px;color:#8A98AC}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;display:block;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:#48586E;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:#F3F6FA}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{position:relative;width:240px}
.search-box input{
  width:100%;height:40px;border-radius:999px;border:1px solid transparent;
  background:#F3F6FA;padding:0 42px 0 16px;font-size:14px;color:var(--ink);
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box input::placeholder{color:#93A2B7}
.search-box input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(31,162,255,.15)}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:#93A2B7;font-size:14px;pointer-events:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid #E7ECF3;background:#fff;
  color:var(--ink);place-items:center;cursor:pointer;font-size:16px;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:#F3F6FA;border-color:#D5DEEA}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  box-shadow:0 0 0 1px rgba(31,162,255,.4),0 10px 30px rgba(31,162,255,.35);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,162,255,.55),0 14px 36px rgba(31,162,255,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(31,162,255,.5),0 6px 18px rgba(31,162,255,.35)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.24);color:var(--title);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.14)}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand-2);
  font-size:14px;font-weight:600;transition:gap .2s var(--ease),color .2s var(--ease);
}
.btn-text:hover{gap:14px;color:#7FF0E0}
.btn-text:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;position:relative}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;font-weight:600;letter-spacing:1.4px;color:var(--brand-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.section-title{font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:700;margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16px;margin:0}
.lead{font-size:17px;color:var(--text);line-height:1.85}

.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8C9CB4;margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:#8C9CB4;transition:color .2s var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.25)}
.breadcrumb .current{color:var(--title);font-weight:600}

/* ---------- 分类页横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  display:flex;align-items:center;
  min-height:360px;max-height:56vh;
  padding:70px 0 62px;
  background:var(--bg) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(8,17,30,.95) 0%,rgba(10,20,36,.88) 45%,rgba(14,30,51,.72) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 20%,rgba(31,162,255,.28),transparent 70%),
    radial-gradient(420px 260px at 88% 85%,rgba(37,224,200,.18),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.2;font-weight:700;letter-spacing:-.5px;margin-bottom:18px;max-width:820px}
.hero-lead{font-size:17px;color:var(--muted);max-width:680px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 锚点导航 + 长滚动内容 ---------- */
.doc-layout{display:grid;grid-template-columns:232px minmax(0,1fr);gap:48px;align-items:start}
.anchor-nav{
  position:sticky;top:96px;
  padding:22px 18px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.anchor-nav h2{font-size:12px;font-weight:600;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14px;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.anchor-nav a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);
  flex:0 0 auto;transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.anchor-nav a:hover{color:var(--title);background:rgba(255,255,255,.06)}
.anchor-nav a.is-current{color:#fff;background:rgba(31,162,255,.14)}
.anchor-nav a.is-current::before{background:var(--brand-2);box-shadow:0 0 0 4px rgba(37,224,200,.16)}
.anchor-nav a:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

.content-col > .section{padding:0 0 72px}
.content-col > .section:last-child{padding-bottom:0}

/* ---------- 数据徽章组 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:32px 0}
.stat{
  padding:22px 20px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,162,255,.35)}
.stat-num{font-size:34px;font-weight:700;color:var(--title);line-height:1.1;letter-spacing:-1px}
.stat-num em{font-size:15px;font-style:normal;font-weight:600;color:var(--brand-2);margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px}

/* ---------- 图片框 ---------- */
.media-frame{
  margin:24px 0 0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.media-frame figcaption{font-size:13px;color:var(--muted);padding:12px 18px;border-top:1px solid rgba(255,255,255,.06)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin:0;padding:0 0 0 58px;list-style:none}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:32px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(31,162,255,.85),rgba(37,224,200,.16));
}
.timeline li{position:relative;margin-bottom:20px}
.timeline li::before{
  content:attr(data-step);position:absolute;left:-58px;top:0;
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#0A1424;
  background:linear-gradient(135deg,var(--amber),#FFD37A);
  box-shadow:0 8px 20px rgba(245,165,36,.3);
}
.step-card{
  padding:22px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,162,255,.35)}
.step-card h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:15px;color:var(--muted);margin:0}
.step-meta{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--brand-2)}

/* ---------- 对比矩阵 ---------- */
.matrix-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.matrix-table{
  width:100%;min-width:640px;border-collapse:separate;border-spacing:0;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  font-size:15px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.matrix-table th{
  background:rgba(31,162,255,.12);color:var(--title);
  font-size:13px;font-weight:600;letter-spacing:.6px;text-align:left;
  padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.matrix-table td{padding:16px 18px;color:var(--text);border-bottom:1px solid rgba(255,255,255,.06);vertical-align:top}
.matrix-table tbody tr{transition:background .2s var(--ease)}
.matrix-table tbody tr:hover{background:rgba(255,255,255,.04)}
.matrix-table tbody tr:last-child td{border-bottom:0}
.matrix-table td:first-child{color:var(--title);font-weight:600}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(245,165,36,.12);color:var(--amber);border:1px solid rgba(245,165,36,.26);
}
.tag--green{background:rgba(37,224,200,.12);color:var(--brand-2);border-color:rgba(37,224,200,.28)}
.tag--blue{background:rgba(31,162,255,.14);color:#7CC7FF;border-color:rgba(31,162,255,.3)}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-card{
  padding:26px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,162,255,.35)}
.scene-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(31,162,255,.14);border:1px solid rgba(31,162,255,.28);
  color:var(--brand);font-size:18px;margin-bottom:16px;
}
.scene-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted);margin:0}

/* ---------- 提示条 ---------- */
.notice-band{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px 26px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(31,162,255,.14),rgba(37,224,200,.08));
  border:1px solid rgba(31,162,255,.28);
}
.notice-band i{color:var(--brand-2);font-size:20px;margin-top:2px}
.notice-band strong{display:block;color:var(--title);font-size:16px;margin-bottom:6px}
.notice-band p{font-size:15px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:8px}
.accordion{background:transparent;border:0;margin:0;padding:0;list-style:none}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:var(--radius) !important;
  background:var(--glass);margin-bottom:14px;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.accordion-item.is-active{border-color:rgba(31,162,255,.5) !important;box-shadow:0 0 0 1px rgba(31,162,255,.2),var(--shadow)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px !important;font-size:17px;font-weight:600;color:var(--title);
  background:transparent !important;border:0 !important;
  transition:color .2s var(--ease);
}
.accordion-title:hover{color:#fff}
.accordion-title:focus-visible{outline:2px solid var(--brand-2);outline-offset:-2px}
.accordion-title::before{content:"" !important;display:none !important;}
.accordion-title::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  font-size:12px;color:var(--brand-2);background:rgba(37,224,200,.12);
  border:1px solid rgba(37,224,200,.28);
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.accordion-item.is-active .accordion-title::after{
  transform:rotate(45deg);color:#0A1424;border-color:transparent;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.accordion-content{
  padding:0 24px 22px !important;background:transparent !important;border:0 !important;
  color:var(--muted);font-size:15px;line-height:1.8;
}

/* ---------- 表单区 ---------- */
.form-wrap{display:grid;grid-template-columns:1.35fr .8fr;gap:32px;align-items:start}
.form-card{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.consult-form{margin-top:26px}
.form-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px}
.form-card input[type="text"],
.form-card input[type="tel"],
.form-card input[type="email"],
.form-card select,
.form-card textarea{
  width:100%;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.05);padding:12px 14px;font-size:15px;color:var(--title);
  outline:none;box-shadow:none;height:auto;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-card textarea{resize:vertical;line-height:1.7;margin-bottom:0}
.form-card input::placeholder,.form-card textarea::placeholder{color:#7C8CA3}
.form-card input[type="text"]:focus,
.form-card input[type="tel"]:focus,
.form-card select:focus,
.form-card textarea:focus{
  border-color:var(--brand);background:rgba(31,162,255,.08);
  box-shadow:0 0 0 4px rgba(31,162,255,.16);
}
.form-card select{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath fill='%23A8B6C9' d='M7 9 0 2l1.4-1.4L7 6.2 12.6.6 14 2z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.form-card select option{background:#0E1E33;color:#F2F7FF}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 22px;font-size:13px;color:var(--muted);line-height:1.7}
.check-row input[type="checkbox"]{
  width:18px;height:18px;margin:2px 0 0;flex:0 0 auto;cursor:pointer;
  accent-color:#1FA2FF;
}
.check-row input[type="checkbox"]:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

.contact-card{
  padding:28px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(31,162,255,.14),rgba(255,255,255,.04) 62%);
  border:1px solid rgba(31,162,255,.24);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.contact-card h3{font-size:19px;font-weight:600;margin-bottom:18px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:15px;color:var(--text)}
.contact-list li:last-child{border-bottom:0}
.contact-list i{color:var(--brand-2);font-size:15px;margin-top:5px;width:16px;text-align:center}
.contact-list span{color:var(--muted);font-size:14px;display:block}
.contact-list strong{color:var(--title);font-weight:600;display:block;font-size:15px}
.contact-tip{
  margin-top:18px;padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:14px;color:var(--muted);line-height:1.75;
}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:60px 0;
  background:linear-gradient(120deg,#0C1B30 0%,#0E2440 55%,#10314F 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(520px 260px at 88% 20%,rgba(37,224,200,.22),transparent 70%),
             radial-gradient(460px 240px at 6% 90%,rgba(31,162,255,.24),transparent 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:10px}
.cta-inner p{color:var(--muted);font-size:15px;margin:0;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#08111E;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 26px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-brand .brand-tag{color:#6E8099}
.footer-desc{font-size:14px;line-height:1.8;color:#8FA2BB;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#8FA2BB;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col ul li a:hover{color:var(--brand-2);padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#8FA2BB;margin-bottom:12px}
.footer-contact i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6E8099;
}
.footer-bottom a{color:#8FA2BB;transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--brand-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:210px minmax(0,1fr);gap:32px}
  .search-box{width:200px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .content-col > .section{padding-bottom:52px}
  .doc-layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{
    position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;border-radius:var(--radius);
    scrollbar-width:thin;
  }
  .anchor-nav h2{display:none}
  .anchor-nav a{
    white-space:nowrap;background:rgba(255,255,255,.05);border-radius:999px;
    padding:8px 14px;font-size:13px;
  }
  .anchor-nav a::before{display:none}
  .nav-menu{
    position:absolute;left:-24px;right:-24px;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:14px 24px 18px;margin:0;
    border-bottom:1px solid #E7ECF3;box-shadow:0 16px 32px rgba(16,32,56,.12);
  }
  .site-header.nav-open .nav-menu{display:flex}
  .nav-link{border-radius:10px;padding:12px 14px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:#EFF7FF}
  .search-box{display:none}
  .nav-toggle{display:grid}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{max-height:none;min-height:320px;padding:56px 0 50px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .scene-grid{grid-template-columns:1fr}
  .form-grid-2{grid-template-columns:1fr;gap:0}
  .form-card{padding:24px 20px}
  .contact-card{padding:24px 20px}
  .timeline{padding-left:48px}
  .timeline::before{left:15px}
  .timeline li::before{left:-48px;width:34px;height:34px;border-radius:10px;font-size:13px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-inner{height:64px;gap:12px}
  .brand-name{font-size:16px}
  .nav-right .btn-sm{display:none}
  .nav-menu{left:-18px;right:-18px;padding:12px 18px 16px}
  .stat-row{grid-template-columns:1fr}
  .step-card{padding:18px 18px}
  .accordion-title{padding:16px 18px !important;font-size:16px}
  .accordion-content{padding:0 18px 18px !important}
  .btn{height:46px;padding:0 22px;font-size:14px}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:16px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .stat:hover,.scene-card:hover,.step-card:hover{transform:none;box-shadow:var(--shadow)}
  .btn-primary:hover,.btn-ghost:hover{transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
/* ============ 设计令牌 ============ */
:root{
  --c-bg:#0A1424;
  --c-panel:#0E1E33;
  --c-deep:#08111E;
  --c-glass:rgba(255,255,255,.06);
  --c-glass-line:rgba(255,255,255,.10);
  --c-primary:#1FA2FF;
  --c-primary-deep:#0E7FD8;
  --c-amber:#F5A524;
  --c-mint:#25E0C8;
  --t-title:#F2F7FF;
  --t-main:#D7E2F0;
  --t-sub:#A8B6C9;
  --t-dark:#16202E;
  --t-dark-sub:#5A6B80;
  --line-light:#E7ECF3;
  --light-bg:#FFFFFF;
  --light-soft:#F5F7FA;
  --r-xl:20px;
  --r-lg:16px;
  --r-sm:12px;
  --sh-card:0 8px 24px rgba(4,12,26,.45);
  --sh-hover:0 16px 40px rgba(4,12,26,.6);
  --sh-glow:0 0 0 1px rgba(31,162,255,.4), 0 10px 30px rgba(31,162,255,.35);
  --ease:cubic-bezier(.4,0,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--t-main);
  background:var(--c-bg);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(31,162,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 6%, rgba(37,224,200,.12), transparent 60%),
    radial-gradient(700px 520px at 50% 108%, rgba(245,165,36,.09), transparent 62%);
}
h1,h2,h3,h4{margin:0;color:var(--t-title);font-family:var(--font-cn);line-height:1.3;}
p{margin:0 0 16px;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-mint);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line-light);
  box-shadow:0 1px 12px rgba(16,32,56,.06);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 26px rgba(16,32,56,.12);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-mint));
  color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(31,162,255,.32);
  flex-shrink:0;
}
.brand-name{display:block;font-size:18px;font-weight:700;color:var(--t-dark);line-height:1.15;letter-spacing:.5px;}
.brand-tag{display:block;font-size:10px;letter-spacing:.18em;color:#94A3B6;line-height:1.2;font-weight:600;}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:#3A4A5E;
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--light-soft);}
.nav-link.is-active{color:var(--t-dark);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-mint));
}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.search-box{position:relative;width:236px;}
.search-box input{
  width:100%;height:40px;border-radius:999px;
  border:1px solid transparent;background:var(--light-soft);
  padding:0 40px 0 16px;font-size:14px;color:var(--t-dark);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box input::placeholder{color:#94A3B6;}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(31,162,255,.16);
}
.search-box i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:#94A3B6;font-size:14px;pointer-events:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;
  border:1px solid var(--line-light);background:#fff;color:var(--t-dark);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--light-soft);border-color:#D6DEE9;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;padding:12px 26px;cursor:pointer;
  text-align:center;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,#1FA2FF,#12B9C8);
  color:#fff;
  box-shadow:0 10px 26px rgba(31,162,255,.32);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(31,162,255,.45),0 16px 38px rgba(31,162,255,.45);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(31,162,255,.3);}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.24);
  color:#EAF2FF;
}
.btn-ghost:hover{
  color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(4,12,26,.4);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:58px 0 62px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.3;filter:blur(1.5px) saturate(1.1);
  transform:scale(1.04);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(10,20,36,.62) 0%,rgba(10,20,36,.92) 62%,var(--c-bg) 100%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 72px);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t-sub);margin-bottom:24px;
}
.breadcrumb a{color:var(--t-sub);}
.breadcrumb a:hover{color:#9FD8FF;}
.breadcrumb .sep{color:rgba(255,255,255,.28);}
.breadcrumb .current{color:#9FD8FF;font-weight:600;}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr .9fr;
  gap:52px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;
  background:rgba(37,224,200,.12);
  border:1px solid rgba(37,224,200,.34);
  color:#7BF3E2;font-size:13px;font-weight:600;
  margin-bottom:18px;
}
.hero-badge .dot{
  width:8px;height:8px;border-radius:50%;background:var(--c-mint);
  box-shadow:0 0 0 4px rgba(37,224,200,.18);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(37,224,200,.4);}
  70%{box-shadow:0 0 0 9px rgba(37,224,200,0);}
  100%{box-shadow:0 0 0 0 rgba(37,224,200,0);}
}
.page-hero h1{
  font-size:clamp(30px,4vw,48px);
  font-weight:700;
  line-height:1.2;
  margin-bottom:18px;
  letter-spacing:.5px;
}
.page-hero h1 .hl{
  background:linear-gradient(100deg,#5CC6FF,#25E0C8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:17px;color:var(--t-sub);line-height:1.85;
  max-width:640px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-note{font-size:14px;color:#8FA2BA;display:flex;align-items:center;gap:9px;}
.hero-note i{color:var(--c-amber);}
.hero-visual{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--c-glass-line);
  box-shadow:var(--sh-card);
  aspect-ratio:16/11;
  background:linear-gradient(140deg,#123A5E,#0B1C30);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;position:relative;z-index:2;}
.hero-visual .img-ph{
  position:absolute;inset:0;display:grid;place-items:center;
  color:rgba(255,255,255,.22);font-size:30px;z-index:1;
}
.hero-visual .visual-cap{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:3;
  padding:12px 16px;border-radius:14px;
  background:rgba(8,17,30,.72);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#CFE0F2;line-height:1.6;
}

/* ============ 筛选标签条 ============ */
.filter-band{padding:34px 0 0;}
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:14px 16px;
  background:var(--c-glass);
  border:1px solid var(--c-glass-line);
  border-radius:18px;
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
}
.filter-label{
  font-size:13px;font-weight:600;color:var(--t-sub);
  padding:0 10px 0 4px;letter-spacing:.06em;white-space:nowrap;
}
.chip{
  padding:8px 17px;border-radius:999px;
  font-size:14px;color:var(--t-sub);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.09);
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{color:#fff;background:rgba(31,162,255,.16);border-color:rgba(31,162,255,.4);transform:translateY(-1px);}
.chip.is-active{
  background:linear-gradient(120deg,var(--c-primary),var(--c-mint));
  color:#04121F;font-weight:600;border-color:transparent;
  box-shadow:0 8px 22px rgba(31,162,255,.3);
}
.filter-hint{margin-left:auto;font-size:13px;color:#8FA2BA;padding-right:6px;}

/* ============ 状态条 ============ */
.status-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:22px;
}
.status-cell{
  padding:20px 22px;
  border-radius:var(--r-lg);
  background:var(--c-panel);
  border:1px solid var(--c-glass-line);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.status-cell:hover{border-color:rgba(31,162,255,.38);transform:translateY(-2px);}
.status-cell .num{
  font-size:27px;font-weight:700;color:#fff;line-height:1.2;
  display:flex;align-items:baseline;gap:6px;
}
.status-cell .num span{font-size:14px;font-weight:500;color:var(--t-sub);}
.status-cell .num.amber{color:var(--c-amber);}
.status-cell .num.mint{color:var(--c-mint);}
.status-cell .lbl{font-size:13px;color:var(--t-sub);margin-top:6px;letter-spacing:.04em;}

/* ============ 板块标题 ============ */
.section-head{margin-bottom:40px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-amber);
  letter-spacing:.1em;margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-amber),transparent);
}
.section-head h2{font-size:clamp(24px,3.1vw,34px);font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--t-sub);font-size:16px;margin:0;line-height:1.8;}

/* ============ 卡片 ============ */
.card{
  position:relative;
  background:var(--c-glass);
  border:1px solid var(--c-glass-line);
  border-radius:var(--r-xl);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(31,162,255,.35);
}
.card-body{padding:26px 26px 28px;}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  background:linear-gradient(140deg,#123A5E,#0B1C30);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;position:relative;z-index:2;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .img-ph{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.2);font-size:26px;z-index:1;}

.channel-grid{
  display:grid;
  grid-template-columns:2.15fr 1fr 1fr;
  gap:24px;
}
.card--wide{display:grid;grid-template-columns:44% 1fr;}
.card--wide .card-media{aspect-ratio:auto;height:100%;min-height:250px;}
.card--wide .card-body{padding:30px 30px 32px;display:flex;flex-direction:column;justify-content:center;}

.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
}
.tag-amber{background:rgba(245,165,36,.13);color:var(--c-amber);border:1px solid rgba(245,165,36,.28);}
.tag-mint{background:rgba(37,224,200,.13);color:var(--c-mint);border:1px solid rgba(37,224,200,.28);}
.tag-blue{background:rgba(31,162,255,.14);color:#7FCBFF;border:1px solid rgba(31,162,255,.3);}

.card h3{font-size:20px;font-weight:600;margin:14px 0 10px;line-height:1.45;}
.card p{font-size:15px;color:var(--t-sub);margin:0;line-height:1.8;}
.card .card-foot{
  margin-top:20px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:#7FCBFF;
}
.link-arrow i{transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--c-mint);}
.link-arrow:hover i{transform:translateX(4px);}
.card-meta{font-size:13px;color:#8FA2BA;}

/* 窄条目卡（第二排） */
.mini-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:24px;
}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;
  padding:24px;
  border-radius:var(--r-lg);
  background:var(--c-panel);
  border:1px solid var(--c-glass-line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(31,162,255,.35);box-shadow:var(--sh-hover);}
.mini-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(31,162,255,.14);
  border:1px solid rgba(31,162,255,.28);
  color:#7FCBFF;font-size:17px;
}
.mini-card h3{font-size:17px;font-weight:600;margin:0 0 7px;}
.mini-card p{font-size:14px;color:var(--t-sub);margin:0;line-height:1.75;}

/* ============ 流程时间轴 ============ */
.flow-wrap{
  padding:40px 34px;
  border-radius:var(--r-xl);
  background:linear-gradient(160deg,rgba(14,30,51,.95),rgba(10,20,36,.9));
  border:1px solid var(--c-glass-line);
  box-shadow:var(--sh-card);
}
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.flow-step{
  position:relative;
  padding:24px 22px 22px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  transition:background .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.flow-step:hover{background:rgba(31,162,255,.08);border-color:rgba(31,162,255,.34);transform:translateY(-4px);}
.flow-step .num{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-amber);
  display:block;margin-bottom:12px;
}
.flow-step h3{font-size:17px;font-weight:600;margin-bottom:9px;}
.flow-step p{font-size:14px;color:var(--t-sub);margin:0;line-height:1.78;}
.flow-step::after{
  content:"";position:absolute;top:38px;right:-14px;width:14px;height:2px;
  background:linear-gradient(90deg,rgba(31,162,255,.7),rgba(37,224,200,.2));
}
.flow-step:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.6fr;
  gap:48px;
  align-items:start;
}
.faq-aside h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px;}
.faq-aside p{color:var(--t-sub);font-size:15px;line-height:1.85;}
.faq-aside .aside-box{
  margin-top:22px;padding:22px;border-radius:var(--r-lg);
  background:var(--c-panel);border:1px solid var(--c-glass-line);
}
.faq-aside .aside-box .row{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;font-size:14px;color:var(--t-sub);
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.faq-aside .aside-box .row:last-child{border-bottom:0;}
.faq-aside .aside-box .row strong{color:#fff;font-weight:600;}

.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-lg);
  background:var(--c-glass);
  border:1px solid var(--c-glass-line);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(31,162,255,.3);}
.faq-item.is-open{border-color:rgba(31,162,255,.5);box-shadow:0 0 0 1px rgba(31,162,255,.18),0 12px 32px rgba(4,12,26,.5);}
.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;color:var(--t-title);font-size:16px;font-weight:600;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#9FD8FF;}
.faq-ico{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(31,162,255,.14);
  border:1px solid rgba(31,162,255,.3);
  color:#7FCBFF;font-size:13px;
  transition:transform .28s var(--ease),background .22s var(--ease);
}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:rgba(245,165,36,.16);border-color:rgba(245,165,36,.4);color:var(--c-amber);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-item.is-open .faq-a{max-height:460px;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-sub);}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:46px 48px;
  background:linear-gradient(115deg,rgba(31,162,255,.18),rgba(37,224,200,.10) 55%,rgba(245,165,36,.10));
  border:1px solid rgba(31,162,255,.3);
  box-shadow:0 20px 50px rgba(4,12,26,.5);
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,162,255,.28),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.7vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--t-sub);font-size:15px;margin:0;max-width:600px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);
  border-top:1px solid rgba(255,255,255,.07);
  padding:64px 0 0;
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:46px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-name{color:#F2F7FF;}
.footer-brand .brand-tag{color:#7A8CA4;}
.footer-desc{font-size:14px;color:#8FA2BA;line-height:1.85;margin:0;max-width:340px;}
.footer-col h4{font-size:15px;color:#F2F7FF;font-weight:600;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#8FA2BA;transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-col a:hover{color:var(--c-primary);padding-left:5px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#8FA2BA;}
.footer-contact i{color:var(--c-primary);width:16px;text-align:center;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7A8CA4;
}
.footer-bottom a{color:#9FB3CB;}
.footer-bottom a:hover{color:var(--c-primary);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .channel-grid{grid-template-columns:1.6fr 1fr;}
  .card--wide{grid-column:1 / -1;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
}
@media (max-width:1023px){
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 20px;
    border-bottom:1px solid var(--line-light);
    box-shadow:0 18px 34px rgba(16,32,56,.12);
    display:none;margin:0;
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:13px 12px;border-radius:10px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--light-soft);color:var(--c-primary);}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{max-width:560px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .status-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .container{padding:0 18px;}
  .nav-inner{height:56px;gap:12px;}
  .site-header.is-scrolled .nav-inner{height:56px;}
  .brand-name{font-size:16px;}
  .page-hero{padding:34px 0 44px;}
  .page-hero h1{font-size:clamp(24px,7vw,32px);}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .filter-hint{display:none;}
  .channel-grid{grid-template-columns:1fr;}
  .card--wide{grid-template-columns:1fr;}
  .card--wide .card-media{min-height:190px;aspect-ratio:16/10;}
  .mini-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .flow-wrap{padding:26px 18px;}
  .status-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .status-cell{padding:16px;}
  .status-cell .num{font-size:22px;}
  .cta-band{padding:30px 22px;}
  .cta-band .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:34px;}
  .site-footer{padding-top:46px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:420px){
  .status-strip{grid-template-columns:1fr;}
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  .card:hover,.mini-card:hover,.flow-step:hover,.btn:hover,.status-cell:hover{transform:none !important;}
}