/* roulang page: index */
:root{
  --bg-0:#05090F;
  --bg-1:#0A111C;
  --bg-2:#0F1A2B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#22E0B8;
  --brand-2:#17B4FF;
  --blue:#3B82F6;
  --amber:#FFB020;
  --ok:#35D07F;
  --err:#FF5A6E;
  --t1:#F2F6FB;
  --t2:#A7B4C8;
  --t3:#6B7A93;
  --r-card:18px;
  --r-glass:20px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --glow:0 0 24px rgba(34,224,184,.28);
  --glow-lg:0 0 36px rgba(34,224,184,.32);
  --container:1240px;
  --gut:32px;
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--blue);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;color:var(--t1);}
h1{font-size:52px;line-height:1.1;}
h2{font-size:34px;line-height:1.2;}
h3{font-size:22px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
h4{font-size:18px;line-height:1.4;font-weight:600;letter-spacing:0;}
p{margin:0 0 18px;color:var(--t2);}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gut);}
.section{padding:var(--sect) 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head p{margin:12px 0 0;max-width:620px;color:var(--t2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--brand);text-transform:uppercase;
  padding:6px 14px;border-radius:999px;
  background:rgba(34,224,184,.09);
  border:1px solid rgba(34,224,184,.22);
  margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(34,224,184,.8);}
.lead{color:var(--t2);font-size:16px;line-height:1.75;}
.muted{color:var(--t3);font-size:14px;line-height:1.6;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease,opacity .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#22E0B8 0%,#17B4FF 100%);
  color:#04121A;
  box-shadow:0 12px 32px rgba(23,180,255,.22),var(--glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 16px 40px rgba(23,180,255,.28),var(--glow-lg);color:#04121A;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px rgba(23,180,255,.2),0 0 14px rgba(34,224,184,.22);}
.btn-ghost{
  background:var(--glass);color:var(--t1);
  border-color:var(--line-strong);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.btn-ghost:hover{background:var(--glass-strong);color:var(--t1);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-hero{height:56px;border-radius:999px;padding:0 32px;font-size:16px;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;filter:none;box-shadow:none;}
.btn.is-loading{color:transparent;position:relative;}
.btn.is-loading::after{
  content:"";position:absolute;width:18px;height:18px;border-radius:50%;
  border:2px solid rgba(4,18,26,.35);border-top-color:#04121A;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--blue);position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,#22E0B8,#17B4FF);transition:width .22s ease;
}
.text-link:hover::after{width:100%;}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);
}
.badge-brand{background:rgba(34,224,184,.1);border-color:rgba(34,224,184,.24);color:var(--brand);}
.badge-amber{background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.26);color:var(--amber);}
.pill-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);
}
.pill svg{flex:0 0 auto;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,17,28,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{background:rgba(5,9,15,.9);border-bottom-color:rgba(255,255,255,.12);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .24s ease;}
.site-header.is-scrolled .nav-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--t1);flex:0 0 auto;}
.logo:hover{color:var(--t1);}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;
  border-radius:10px;background:rgba(34,224,184,.08);
  border:1px solid rgba(34,224,184,.35);
  box-shadow:0 0 18px rgba(34,224,184,.22), inset 0 1px 0 rgba(255,255,255,.08);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--t2);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--glass);color:var(--t1);}
.nav-link.is-active{color:var(--t1);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#22E0B8,#17B4FF);box-shadow:0 0 12px rgba(34,224,184,.7);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:232px;height:40px;padding:0 10px 0 34px;
  border-radius:10px;background:var(--glass);
  border:1px solid var(--line);
  transition:width .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.search-box svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--t3);}
.search-box input{
  width:100%;height:100%;border:0;background:transparent;color:var(--t1);
  font-size:13.5px;font-family:inherit;outline:none;
}
.search-box input::placeholder{color:var(--t3);}
.search-box:focus-within{width:300px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,224,184,.16);}
.kbd{
  font-size:11px;color:var(--t3);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:rgba(255,255,255,.04);white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:var(--glass-strong);color:var(--t1);transform:translateY(-1px);}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.hamburger{
  display:none;width:44px;height:44px;place-items:center;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--t1);cursor:pointer;
}
.hamburger:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.72);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:100;
  background:rgba(10,17,28,.96);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .24s ease;
  padding:24px 22px 32px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer .search-box{width:100%;}
.drawer nav{display:flex;flex-direction:column;gap:6px;}
.drawer nav a{
  padding:14px 16px;border-radius:12px;font-size:15px;font-weight:500;
  color:var(--t2);background:var(--glass);border:1px solid var(--line);
}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--t1);border-color:rgba(34,224,184,.35);}
.drawer-foot{margin-top:auto;display:grid;gap:12px;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:0;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.76) 0%,rgba(10,17,28,.8) 55%,rgba(10,17,28,.94) 100%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero-glow{
  position:absolute;width:620px;height:620px;border-radius:50%;filter:blur(120px);opacity:.3;pointer-events:none;
}
.hero-glow.g1{top:-180px;left:-140px;background:radial-gradient(circle,#22E0B8,transparent 68%);}
.hero-glow.g2{bottom:-240px;right:-100px;background:radial-gradient(circle,#17B4FF,transparent 68%);opacity:.24;}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;
  min-height:660px;padding:88px 0 96px;
}
.hero h1{margin:0 0 20px;}
.hero-sub{font-size:19px;line-height:1.6;color:var(--t2);margin:0 0 32px;max-width:560px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-card{
  position:relative;border-radius:var(--r-glass);
  background:linear-gradient(160deg,rgba(255,255,255,.085),rgba(255,255,255,.035));
  border:1px solid var(--line-strong);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);
}
.hero-card-corner{
  position:absolute;top:16px;right:16px;
  font-size:11px;font-weight:700;letter-spacing:.08em;
  padding:5px 12px;border-radius:999px;
  color:var(--amber);background:rgba(255,176,32,.1);border:1px solid rgba(255,176,32,.3);
}
.hero-card-block{padding:26px 26px;border-bottom:1px solid var(--line);}
.hero-card-block:last-child{border-bottom:0;}
.countdown{display:flex;gap:10px;margin-top:14px;}
.cd-cell{
  flex:1;text-align:center;padding:12px 6px;border-radius:14px;
  background:rgba(5,9,15,.5);border:1px solid var(--line);
}
.cd-cell b{
  display:block;font-size:30px;line-height:1.1;font-weight:700;color:var(--t1);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}
.cd-cell span{display:block;font-size:11px;letter-spacing:.08em;color:var(--t3);margin-top:6px;}
.price-row{display:flex;align-items:flex-end;gap:12px;margin-bottom:16px;}
.price-now{
  font-size:38px;line-height:1;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}
.price-now small{font-size:15px;font-weight:500;color:var(--amber);margin-left:2px;}
.price-old{font-size:14px;color:var(--t3);text-decoration:line-through;padding-bottom:4px;}
.card-list{display:grid;gap:10px;margin:0;}
.card-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--t2);}
.card-list li svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}

/* 优惠阶梯 */
.ladder{display:grid;gap:0;position:relative;}
.ladder-item{
  position:relative;display:grid;grid-template-columns:180px 1fr 190px;gap:24px;align-items:center;
  padding:26px 28px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  margin-bottom:18px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.ladder-item::after{
  content:"";position:absolute;left:calc(50% - 1px);top:100%;width:1px;height:18px;
  background:linear-gradient(180deg,rgba(34,224,184,.55),rgba(34,224,184,0));
}
.ladder-item:last-child::after{display:none;}
.ladder-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.ladder-item.lv1{background:rgba(255,255,255,.04);}
.ladder-item.lv2{background:rgba(255,255,255,.055);}
.ladder-item.lv3{background:rgba(255,255,255,.07);border-color:rgba(255,176,32,.18);}
.ladder-item.lv4{background:rgba(255,255,255,.085);border-color:rgba(255,176,32,.3);}
.ladder-left{display:grid;gap:8px;}
.ladder-mid{font-size:14.5px;color:var(--t2);line-height:1.7;}
.ladder-right{display:flex;align-items:center;justify-content:flex-end;gap:14px;}
.ladder-rate{
  font-size:34px;font-weight:700;color:var(--amber);line-height:1;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}
.ladder-rate small{font-size:14px;font-weight:600;}
.ladder-arrow{color:var(--t3);}

/* 套餐对比 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.plan{
  position:relative;border-radius:var(--r-glass);
  background:var(--glass);border:1px solid var(--line);
  padding:28px 26px;display:flex;flex-direction:column;gap:0;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.plan.featured{
  transform:scale(1.03);
  background:linear-gradient(165deg,rgba(34,224,184,.1),rgba(255,255,255,.04));
  border-color:rgba(34,224,184,.42);
  box-shadow:0 0 0 1px rgba(34,224,184,.18),var(--shadow-card),var(--glow);
}
.plan.featured:hover{transform:scale(1.03) translateY(-4px);}
.plan-tag{
  position:absolute;top:-12px;left:26px;
  font-size:11px;font-weight:700;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;
  background:linear-gradient(135deg,#22E0B8,#17B4FF);color:#04121A;
  box-shadow:var(--glow);
}
.plan h3{margin-bottom:6px;}
.plan .plan-desc{font-size:13.5px;color:var(--t3);margin:0 0 18px;}
.plan-price{
  font-size:40px;font-weight:700;line-height:1;color:var(--t1);margin-bottom:6px;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}
.plan-price small{font-size:15px;font-weight:500;color:var(--t2);margin-left:4px;}
.plan-note{font-size:12.5px;color:var(--t3);margin:0 0 20px;}
.plan-rows{display:grid;gap:0;margin:0 0 24px;border-top:1px solid var(--line);}
.plan-rows .row{
  display:flex;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.plan-rows .row span:first-child{color:var(--t3);}
.plan-rows .row span:last-child{color:var(--t1);font-weight:600;text-align:right;}
.plan .btn{margin-top:auto;width:100%;}
.plans-scroll-hint{display:none;font-size:13px;color:var(--t3);margin-top:12px;}

/* 限时入口横幅 */
.banner-wrap{padding:0 0 var(--sect);}
.banner{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid transparent;
  background:
    linear-gradient(135deg,rgba(255,176,32,.5),rgba(34,224,184,.5)) border-box,
    var(--bg-2) padding-box;
  background-clip:padding-box,border-box;
  display:grid;grid-template-columns:minmax(260px,1fr) minmax(240px,1.2fr) auto;
  gap:30px;align-items:center;
  padding:34px 36px;
}
.banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 220px at 12% 0%,rgba(255,176,32,.14),transparent 70%),
             radial-gradient(600px 240px at 88% 100%,rgba(34,224,184,.14),transparent 70%);
}
.banner-left{position:relative;z-index:2;}
.banner-left .banner-title{font-size:24px;font-weight:700;margin:0 0 8px;}
.banner-left p{margin:0;font-size:14px;color:var(--t2);}
.banner-count{display:flex;gap:8px;margin-top:14px;}
.banner-count b{
  font-size:22px;font-weight:700;color:var(--amber);min-width:44px;text-align:center;
  padding:6px 8px;border-radius:10px;background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.22);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}
.banner-mid{position:relative;z-index:2;}
.progress-track{
  height:10px;border-radius:999px;background:rgba(5,9,15,.6);
  border:1px solid var(--line);overflow:hidden;position:relative;
}
.progress-fill{
  height:100%;width:68%;border-radius:999px;
  background:linear-gradient(90deg,#22E0B8,#17B4FF);
  box-shadow:0 0 20px rgba(34,224,184,.6);position:relative;
}
.progress-fill::after{
  content:"";position:absolute;right:-2px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;border-radius:50%;background:#fff;
  box-shadow:0 0 16px rgba(34,224,184,.95);
}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--t2);margin-top:12px;}
.banner-right{position:relative;z-index:2;display:flex;align-items:center;gap:20px;}
.banner-thumb{
  width:132px;aspect-ratio:16/10;border-radius:14px;overflow:hidden;
  border:1px solid var(--line-strong);background:linear-gradient(135deg,#0F1A2B,#123043);
}
.banner-thumb img{width:100%;height:100%;object-fit:cover;}

/* 咨询表单 */
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:44px;align-items:start;}
.contact-list{display:grid;gap:16px;margin:24px 0 28px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;color:var(--t2);font-size:14.5px;}
.contact-list li .ic{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:rgba(34,224,184,.09);border:1px solid rgba(34,224,184,.24);color:var(--brand);
}
.contact-meta{
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
}
.contact-meta dl{display:grid;gap:12px;margin:0;}
.contact-meta dt{font-size:12px;color:var(--t3);letter-spacing:.06em;}
.contact-meta dd{margin:2px 0 0;font-size:15px;color:var(--t1);font-weight:600;}
.form-card{
  position:relative;border-radius:var(--r-glass);padding:30px 28px;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--line-strong);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--t2);font-weight:500;}
.input,.select,.textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--t1);
  background:rgba(5,9,15,.55);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-input);padding:12px 14px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.textarea{resize:vertical;min-height:104px;line-height:1.7;}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6B7A93 50%),linear-gradient(135deg,#6B7A93 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.input::placeholder,.textarea::placeholder{color:var(--t3);}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,224,184,.16);background:rgba(5,9,15,.75);}
.field.has-error .input,.field.has-error .select,.field.has-error .textarea{border-color:var(--err);}
.field .err-msg{font-size:12px;color:var(--err);display:none;}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t3);}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:#22E0B8;flex:0 0 auto;}
.form-alert{
  display:none;border-radius:12px;padding:12px 14px;font-size:13.5px;margin-bottom:18px;
}
.form-alert.ok{display:block;background:rgba(53,208,127,.12);border:1px solid rgba(53,208,127,.34);color:#8EF0BC;}
.form-alert.bad{display:block;background:rgba(255,90,110,.1);border:1px solid rgba(255,90,110,.32);color:#FFB6BF;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:6fr 5fr;gap:26px;align-items:start;}
.news-feature{
  border-radius:var(--r-card);overflow:hidden;background:var(--glass);
  border:1px solid var(--line);display:block;color:inherit;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-feature:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);color:inherit;}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0F1A2B,#14324A 60%,#0A111C);}
.thumb img{width:100%;height:100%;object-fit:cover;}
.thumb .fallback{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:64px;font-weight:700;color:rgba(255,255,255,.14);
  background:linear-gradient(135deg,#0F1A2B,#123043);
}
.thumb .badge{position:absolute;top:14px;right:14px;}
.news-feature .nf-body{padding:22px 24px 24px;}
.news-feature h3{margin-bottom:10px;font-size:21px;line-height:1.4;}
.news-feature p{margin:0 0 16px;font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-list{display:grid;gap:10px;}
.news-item{
  display:block;padding:16px 18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);color:inherit;
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.news-item:hover{transform:translateY(-2px);border-color:var(--line-strong);background:var(--glass-strong);color:inherit;}
.news-item .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--t3);margin-bottom:6px;}
.news-item .meta .dotmark{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(34,224,184,.7);}
.news-item .title{
  font-size:15px;font-weight:600;line-height:1.55;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease,transform .18s ease;
}
.news-item:hover .title{color:var(--brand);transform:translateX(2px);}
.news-empty{
  display:flex;align-items:center;gap:14px;padding:34px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px dashed var(--line-strong);color:var(--t3);
}
.news-empty svg{color:var(--t3);flex:0 0 auto;}
.skeleton{
  border-radius:14px;background:linear-gradient(90deg,rgba(255,255,255,.05) 25%,rgba(255,255,255,.11) 37%,rgba(255,255,255,.05) 63%);
  background-size:400% 100%;animation:shine 1.5s ease infinite;
}
@keyframes shine{0%{background-position:100% 0;}100%{background-position:0 0;}}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  border-radius:24px;padding:38px 34px;
  background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--line);
}
.stat b{
  display:block;font-size:42px;line-height:1.05;font-weight:700;color:var(--t1);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
}
.stat b em{font-style:normal;font-size:20px;color:var(--brand);margin-left:4px;}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--t3);}

/* FAQ */
.faq{display:grid;gap:12px;}
.faq-item{
  border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item.is-open{border-color:rgba(34,224,184,.35);background:rgba(255,255,255,.07);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--t1);font-family:inherit;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-icon{
  width:30px;height:30px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--t2);
  transition:transform .22s ease,color .22s ease,border-color .22s ease,background .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:rgba(34,224,184,.6);background:rgba(34,224,184,.1);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a .inner{padding:0 22px 22px;color:var(--t2);font-size:14.5px;line-height:1.8;}

/* CTA 条 */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:30px 34px;border-radius:24px;
  background:linear-gradient(135deg,rgba(34,224,184,.12),rgba(23,180,255,.08));
  border:1px solid rgba(34,224,184,.28);
}
.cta-strip h3{margin-bottom:6px;}
.cta-strip p{margin:0;color:var(--t2);font-size:14px;}

/* 页脚 */
.site-footer{
  background:var(--bg-0);border-top:1px solid transparent;
  background-image:linear-gradient(var(--bg-0),var(--bg-0)),linear-gradient(90deg,rgba(34,224,184,.5),rgba(23,180,255,.25),transparent);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--t3);margin:16px 0 0;max-width:280px;}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--t3);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--brand);}

/* 响应式 */
@media (max-width:1280px){
  :root{--gut:24px;}
  .search-box{width:200px;}
  .search-box:focus-within{width:250px;}
  h1{font-size:44px;}
}
@media (max-width:1024px){
  :root{--sect:72px;}
  h1{font-size:40px;}
  h2{font-size:30px;}
  .nav-links{display:none;}
  .search-box{display:none;}
  .hamburger{display:grid;}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:64px 0 72px;gap:38px;}
  .plans{display:flex;gap:18px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;}
  .plan{min-width:300px;flex:1 0 300px;scroll-snap-align:start;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-4px);}
  .plans-scroll-hint{display:block;}
  .banner{grid-template-columns:1fr;gap:24px;padding:28px 24px;}
  .banner-right{flex-wrap:wrap;}
  .ladder-item{grid-template-columns:150px 1fr;grid-template-areas:"left mid" "right right";}
  .ladder-left{grid-area:left;}
  .ladder-mid{grid-area:mid;}
  .ladder-right{grid-area:right;justify-content:flex-start;}
  .contact-grid{grid-template-columns:1fr;gap:34px;}
  .news-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--sect:56px;--gut:20px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .form-grid{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .hero-sub{font-size:17px;}
  .stats{grid-template-columns:1fr 1fr;gap:18px;padding:28px 22px;}
  .stat b{font-size:32px;}
  .ladder-item{grid-template-columns:1fr;grid-template-areas:"left" "mid" "right";gap:14px;padding:22px 20px;}
  .cta-strip{padding:24px 20px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:560px){
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .countdown{gap:8px;}
  .cd-cell b{font-size:24px;}
  .plan-price{font-size:34px;}
  .price-now{font-size:32px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05090F;
  --bg-1:#0A111C;
  --bg-2:#0F1A2B;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --accent:#22E0B8;
  --accent-2:#17B4FF;
  --blue:#3B82F6;
  --amber:#FFB020;
  --ok:#35D07F;
  --err:#FF5A6E;
  --t1:#F2F6FB;
  --t2:#A7B4C8;
  --t3:#6B7A93;
  --r-xs:10px;
  --r-sm:12px;
  --r:18px;
  --r-lg:20px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --inner:inset 0 1px 0 rgba(255,255,255,.06);
  --glow:0 0 24px rgba(34,224,184,.28);
  --sect:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,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(--t1);
  background:var(--bg-1);
  background-image:
    radial-gradient(900px 420px at 12% -6%, rgba(34,224,184,.10), transparent 62%),
    radial-gradient(760px 380px at 92% 4%, rgba(23,180,255,.09), transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sect) 0;}
.section--tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--accent);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent),transparent);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:34px;line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-top:14px;}
.section-head p{color:var(--t2);margin-top:14px;font-size:16px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  background:rgba(10,17,28,.72);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(5,9,15,.88);border-bottom-color:rgba(255,255,255,.12);}
.nav-bar{
  display:flex;align-items:center;gap:24px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-bar{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(34,224,184,.18),rgba(23,180,255,.12));
  border:1px solid rgba(34,224,184,.42);
  box-shadow:var(--glow);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--t2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--t1);background:var(--glass);}
.nav-link.is-active{color:var(--t1);background:var(--glass);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(34,224,184,.6);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.command-search{
  position:relative;display:flex;align-items:center;
  width:236px;height:40px;padding:0 12px;gap:8px;
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--line);
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search:focus-within{width:300px;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,184,.15);}
.command-search svg{flex:0 0 auto;opacity:.75;}
.command-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--t1);
}
.command-search input::placeholder{color:var(--t3);}
.kbd{
  flex:0 0 auto;font-size:11px;color:var(--t3);
  padding:2px 6px;border-radius:6px;border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
  cursor:pointer;
}
.icon-btn:hover{background:var(--glass-2);color:var(--t1);transform:translateY(-1px);}
.hamburger{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,filter .2s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#04231C;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 36px rgba(34,224,184,.42);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(34,224,184,.3);}
.btn-ghost{
  background:var(--glass);border-color:var(--line-2);color:var(--t1);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:var(--glass-2);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.text-link{
  color:var(--blue);font-weight:600;font-size:14.5px;
  border-bottom:2px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-bottom-color:var(--accent);color:var(--accent);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.7);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:100;
  background:rgba(10,17,28,.98);border-left:1px solid var(--line);
  padding:22px 20px 28px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .24s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:14px 14px;border-radius:var(--r-sm);font-size:16px;color:var(--t2);
  border:1px solid transparent;transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--glass);color:var(--t1);}
.drawer-nav a.is-active{background:var(--glass);color:var(--t1);border-color:rgba(34,224,184,.32);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  min-height:360px;
  display:flex;align-items:center;
  background-image:
    linear-gradient(180deg,rgba(5,9,15,.86),rgba(5,9,15,.78) 45%,rgba(10,17,28,.94)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 62% at 30% 40%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 62% at 30% 40%,#000 10%,transparent 78%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.22),transparent 66%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t3);margin-bottom:22px;
}
.breadcrumb a{color:var(--t2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.5;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(34,224,184,.10);
  border:1px solid rgba(34,224,184,.35);
  color:var(--accent);font-size:12.5px;letter-spacing:.08em;font-weight:600;
}
.page-hero h1{
  margin-top:20px;
  font-size:52px;line-height:1.1;font-weight:700;letter-spacing:-.02em;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{
  margin-top:18px;max-width:680px;
  font-size:18px;line-height:1.7;color:var(--t2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  font-size:13px;color:var(--t2);
}
.pill svg{flex:0 0 auto;}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:28px 0 0;
}
.metric{
  padding:24px 22px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .22s ease,border-color .22s ease;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(34,224,184,.34);}
.metric b{
  display:block;font-size:36px;line-height:1.1;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:linear-gradient(135deg,#F2F6FB,#22E0B8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--t2);}

/* ---------- Z 型图文段 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zig + .zig{margin-top:88px;}
.zig.reverse .zig-copy{order:2;}
.zig.reverse .zig-media{order:1;}
.zig-copy h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-top:14px;}
.zig-copy p{color:var(--t2);margin-top:16px;}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.point-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:13px 16px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);
  font-size:14.5px;color:var(--t2);
  transition:border-color .2s ease,background .2s ease;
}
.point-list li:hover{border-color:rgba(34,224,184,.3);background:var(--glass-2);}
.point-list svg{flex:0 0 auto;margin-top:3px;}
.zig-media{position:relative;}
.zig-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  filter:saturate(.95);
}
.zig-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(34,224,184,.14),transparent 46%,rgba(5,9,15,.62));
  pointer-events:none;
}
.media-tag{
  position:absolute;left:16px;bottom:16px;z-index:3;
  padding:6px 13px;border-radius:999px;
  background:rgba(5,9,15,.72);border:1px solid var(--line-2);
  font-size:12px;letter-spacing:.06em;color:var(--t1);
  backdrop-filter:blur(10px);
}

/* ---------- 流程 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.flow-step{
  padding:26px 22px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .22s ease,border-color .22s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(34,224,184,.34);}
.flow-num{
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:19px;margin-top:12px;font-weight:650;}
.flow-step p{font-size:14px;color:var(--t2);margin-top:10px;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  position:relative;border-radius:var(--r-lg);
  background:var(--bg-2);
  padding:38px 40px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow),var(--inner);
}
.cta-strip::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;
  background:linear-gradient(135deg,var(--amber),var(--accent));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  mask-composite:exclude;pointer-events:none;
}
.cta-strip .cta-copy{flex:1 1 380px;position:relative;z-index:2;}
.cta-strip h2{font-size:26px;line-height:1.3;font-weight:700;}
.cta-strip p{color:var(--t2);margin-top:10px;font-size:15px;}
.cta-strip .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sect);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(34,224,184,0),rgba(34,224,184,.5),rgba(23,180,255,0)) 1;
  background:var(--bg-0);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand p{color:var(--t2);font-size:14px;margin-top:16px;max-width:280px;}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;color:var(--t1);font-weight:700;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14px;color:var(--t2);}
.footer-col a{color:var(--t2);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sect:72px;}
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .command-search{width:200px;}
  .page-hero h1{font-size:40px;}
  .zig{grid-template-columns:1fr;gap:32px;}
  .zig.reverse .zig-copy{order:1;}
  .zig.reverse .zig-media{order:2;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:820px){
  .nav-tools .command-search{display:none;}
  .hamburger{display:inline-flex;}
  .nav-tools .btn-primary{display:none;}
}
@media (max-width:640px){
  :root{--sect:56px;}
  .container{padding:0 20px;}
  .page-hero{padding:38px 0 48px;min-height:0;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:24px;}
  .zig-copy h2{font-size:24px;}
  .metrics{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .cta-strip{padding:28px 22px;}
  .cta-strip .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .metric b{font-size:32px;}
}

/* roulang page: article */
:root{
  --bg-0:#05090F;
  --bg-1:#0A111C;
  --bg-2:#0F1A2B;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --main:#22E0B8;
  --main-2:#17B4FF;
  --blue:#3B82F6;
  --amber:#FFB020;
  --ok:#35D07F;
  --err:#FF5A6E;
  --t1:#F2F6FB;
  --t2:#A7B4C8;
  --t3:#6B7A93;
  --r-card:18px;
  --r-glass:20px;
  --r-btn:12px;
  --r-input:10px;
  --sh:0 24px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-sm:0 12px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --glow:0 0 24px rgba(34,224,184,.28);
  --sect:96px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg-1);
  background-image:radial-gradient(900px 520px at 88% -8%,rgba(34,224,184,.10),transparent 62%),radial-gradient(760px 460px at 2% 4%,rgba(23,180,255,.08),transparent 60%);
  background-repeat:no-repeat;
  padding-top:72px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue);text-decoration:none;transition:color .2s ease}
a:hover{color:#66a6ff}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#22E0B8 0%,#17B4FF 100%);
  color:#04121B;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 36px rgba(34,224,184,.42);color:#04121B}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 14px rgba(34,224,184,.26)}
.btn-ghost{
  background:var(--glass);border-color:var(--line-strong);color:var(--t1);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:var(--glass-2);color:var(--t1);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn .spin{
  width:14px;height:14px;border-radius:50%;border:2px solid rgba(4,18,27,.35);border-top-color:#04121B;
  animation:spin .7s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}
.text-link{
  color:var(--blue);font-weight:600;position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--main),var(--main-2));transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.text-link:hover::after{transform:scaleX(1)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(10,17,28,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:height .22s ease,background .22s ease;
}
.site-header.is-scrolled{background:rgba(6,11,19,.9)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-weight:700;letter-spacing:-.01em;flex-shrink:0}
.logo:hover{color:var(--t1)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:rgba(34,224,184,.10);border:1px solid rgba(34,224,184,.38);box-shadow:var(--glow);
}
.logo-text{font-size:17px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;color:var(--t2);font-size:14.5px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--t1);background:var(--glass)}
.nav-link.is-active{color:var(--t1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--main),var(--main-2));box-shadow:0 0 12px rgba(34,224,184,.6);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;padding:0 10px 0 12px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-input);
  transition:width .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.command-search:focus-within{width:300px;border-color:var(--main);box-shadow:0 0 0 3px rgba(34,224,184,.16)}
.command-search svg{flex-shrink:0;opacity:.7}
.command-search input{
  flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;color:var(--t1);font-size:14px;
}
.command-search input::placeholder{color:var(--t3)}
.kbd{
  font-size:11px;color:var(--t2);border:1px solid var(--line-strong);border-radius:6px;
  padding:2px 6px;background:rgba(255,255,255,.04);flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-input);display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--glass-2);color:var(--t1);border-color:var(--line-strong)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--r-input);background:var(--glass);border:1px solid var(--line);color:var(--t1);cursor:pointer;place-items:center}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.68);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);z-index:96;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s ease;
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-input)}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;height:100%}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-input);
  color:var(--t2);border:1px solid transparent;transition:all .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--t1);background:var(--glass);border-color:var(--line)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.014)}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px 0;font-size:13.5px;color:var(--t3)}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--main)}
.breadcrumb .sep{color:var(--t3);opacity:.6}
.breadcrumb .cur{color:var(--t2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;padding:56px 0 40px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(5,9,15,.86),rgba(10,17,28,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
}
.article-head .container{position:relative;z-index:1}
.article-wrap{max-width:820px}
.article-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(34,224,184,.10);border:1px solid rgba(34,224,184,.32);
  color:var(--main);font-size:12.5px;letter-spacing:.06em;
}
.article-title{
  margin:18px 0 16px;font-size:44px;line-height:1.16;font-weight:700;letter-spacing:-.02em;
}
.article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:var(--t3);font-size:13.5px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);opacity:.6}
.article-meta strong{color:var(--t2);font-weight:500}

/* ---------- 正文 ---------- */
.article-main{padding:56px 0 var(--sect)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);justify-items:center}
.article-panel{width:100%;max-width:820px}
.article-body{font-size:16px;line-height:1.75;color:var(--t2)}
.article-body>*+*{margin-top:18px}
.article-body p{color:var(--t2)}
.article-body strong{color:var(--t1)}
.article-body a{border-bottom:1px solid rgba(59,130,246,.4)}
.article-body a:hover{border-bottom-color:var(--main)}
.article-body h2{
  position:relative;padding-left:18px;margin:46px 0 16px;
  font-size:27px;line-height:1.3;font-weight:700;color:var(--t1);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--main),var(--main-2));box-shadow:0 0 18px rgba(34,224,184,.55);
}
.article-body h3{margin:32px 0 12px;font-size:21px;line-height:1.4;font-weight:700;color:var(--t1)}
.article-body h4{margin:26px 0 10px;font-size:17.5px;font-weight:600;color:var(--t1)}
.article-body ul,.article-body ol{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;color:var(--t2);
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--main),var(--main-2));box-shadow:0 0 10px rgba(34,224,184,.5);
}
.article-body ol{counter-reset:li}
.article-body ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:.2em;
  width:18px;height:18px;border-radius:6px;display:grid;place-items:center;
  font-size:11px;color:#04121B;background:linear-gradient(135deg,var(--main),var(--main-2));
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);border-left:2px solid var(--main);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--t2);
}
.article-body figure{margin:28px 0}
.article-body img{border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.5);border:1px solid var(--line)}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--t3)}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:14.5px;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:rgba(255,255,255,.05);color:var(--t1);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.07);border:1px solid var(--line);
  font-size:13.5px;color:var(--main);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- 标签行 / 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);font-size:12.5px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:rgba(34,224,184,.45);color:var(--t1);transform:translateY(-1px)}
.article-foot{
  margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 24px;border-radius:var(--r-glass);background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.article-foot span{color:var(--t3);font-size:13.5px}

/* ---------- 相关推荐 ---------- */
.related{margin-top:var(--sect)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:8px;color:var(--t3);font-size:14px}
.related-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:22px;align-items:start}
.related-side{display:grid;gap:18px}
.related-card{
  display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh)}
.related-card .media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#12283a,#0d1a27)}
.related-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .media img{transform:scale(1.04)}
.related-card .media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.1),rgba(5,9,15,.62))}
.badge{
  position:absolute;top:12px;right:12px;z-index:1;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(5,9,15,.7);border:1px solid rgba(34,224,184,.4);color:var(--main);
  font-size:12px;letter-spacing:.04em;backdrop-filter:blur(10px);
}
.related-body{padding:20px 22px 22px}
.related-body h3{font-size:17px;line-height:1.45;font-weight:600;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover h3{color:var(--main)}
.related-body p{margin-top:10px;color:var(--t3);font-size:13.5px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card--sm .related-body{padding:16px 18px 18px}
.related-card--sm h3{font-size:15.5px}
.related-time{margin-top:12px;font-size:12.5px;color:var(--t3)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 28px;border-radius:var(--r-glass);
  background:var(--glass);border:1px dashed var(--line-strong);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;
  background:rgba(34,224,184,.09);border:1px solid rgba(34,224,184,.28);box-shadow:var(--glow);
}
.empty-state h2{font-size:22px;font-weight:700}
.empty-state p{margin:12px auto 22px;max-width:46ch;color:var(--t3);font-size:14.5px}
.skeleton{border-radius:var(--r-card);background:linear-gradient(90deg,rgba(255,255,255,.045),rgba(255,255,255,.09),rgba(255,255,255,.045));background-size:220% 100%;animation:sheen 1.4s linear infinite}
@keyframes sheen{0%{background-position:120% 0}100%{background-position:-120% 0}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sect);padding:64px 0 26px;
  background:var(--bg-0);position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,224,184,.5),rgba(23,180,255,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:14px;color:var(--t3);font-size:14px;line-height:1.7}
.footer-col h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{color:var(--t3);font-size:14px}
.footer-col a{color:var(--t3)}
.footer-col a:hover{color:var(--main)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--t3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .command-search{width:190px}
  .command-search:focus-within{width:230px}
}
@media (max-width:1024px){
  :root{--sect:72px}
  .container{padding:0 24px}
  .nav-links{display:none}
  .menu-toggle{display:grid}
  .command-search{display:none}
  .article-title{font-size:36px}
  .related-grid{grid-template-columns:1fr}
  .related-side{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  :root{--sect:64px}
  .article-head{padding:40px 0 32px}
  .article-title{font-size:30px}
  .article-body h2{font-size:23px;margin:36px 0 14px}
  .article-body h3{font-size:19px}
  .article-main{padding:44px 0 var(--sect)}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  :root{--sect:56px}
  body{padding-top:64px}
  .header-inner{height:64px;gap:12px}
  .site-header.is-scrolled .header-inner{height:58px}
  .container{padding:0 20px}
  .logo-text{font-size:16px}
  .header-actions .btn-sm{display:none}
  .article-title{font-size:26px}
  .article-body{font-size:15.5px}
  .article-body{padding:0}
  .related-side{grid-template-columns:1fr}
  .article-foot{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .article-foot .btn{width:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#05090F;
  --bg-1:#0A111C;
  --bg-2:#0F1A2B;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --primary:#22E0B8;
  --primary-2:#17B4FF;
  --blue:#3B82F6;
  --amber:#FFB020;
  --success:#35D07F;
  --danger:#FF5A6E;
  --t1:#F2F6FB;
  --t2:#A7B4C8;
  --t3:#6B7A93;
  --r-card:18px;
  --r-glass:20px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(34,224,184,.28);
  --max:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg-1);
  background-image:radial-gradient(900px 520px at 12% -8%,rgba(34,224,184,.10),transparent 62%),radial-gradient(720px 420px at 96% 4%,rgba(23,180,255,.09),transparent 64%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,9,15,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,9,15,.9);
  box-shadow:0 14px 40px rgba(0,0,0,.42);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:60px}

.logo{display:inline-flex;align-items:center;gap:10px;color:var(--t1);flex-shrink:0}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:11px;
  border:1px solid rgba(34,224,184,.45);
  background:linear-gradient(135deg,rgba(34,224,184,.18),rgba(23,180,255,.10));
  box-shadow:var(--glow);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em}

.nav-links{display:flex;align-items:center;gap:6px;margin-right:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 16px;
  border-radius:999px;color:var(--t2);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--t1);background:var(--glass)}
.nav-link.is-active{color:var(--t1);background:var(--glass)}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(34,224,184,.7);
}

.nav-actions{display:flex;align-items:center;gap:12px}
.command-search{
  position:relative;display:flex;align-items:center;
  width:230px;height:42px;padding:0 10px 0 14px;
  border:1px solid var(--line);border-radius:12px;
  background:var(--glass);
  transition:width .24s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search:focus-within{
  width:300px;border-color:rgba(34,224,184,.7);
  box-shadow:0 0 0 3px rgba(34,224,184,.14),var(--glow);
}
.command-search svg{flex-shrink:0;color:var(--t3)}
.command-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  padding:0 8px;font-size:14px;color:var(--t1);
}
.command-search input::placeholder{color:var(--t3)}
.kbd{
  flex-shrink:0;font-size:11px;color:var(--t3);letter-spacing:.06em;
  border:1px solid var(--line-2);border-radius:6px;padding:2px 6px;line-height:1.4;
}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--t2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--glass-2);color:var(--t1);border-color:var(--line-2)}
.nav-cta{height:42px;padding:0 20px;font-size:14px}

.hamburger{
  display:none;width:44px;height:44px;place-items:center;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--t1);
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:90;background:rgba(3,6,11,.72);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;width:min(360px,88vw);
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s ease;
  padding:24px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-search{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--glass)}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;height:50px;padding:0 16px;border-radius:12px;
  color:var(--t2);font-size:16px;border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--t1);background:var(--glass);border-color:var(--line)}
.drawer-foot{margin-top:auto;display:grid;gap:12px}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease;
  text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04121A;box-shadow:var(--glow);
}
.btn-primary:hover{
  filter:brightness(1.06);transform:translateY(-1px);
  box-shadow:0 0 36px rgba(34,224,184,.42);color:#04121A;
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 14px rgba(34,224,184,.3)}
.btn-ghost{
  background:var(--glass);border-color:var(--line-2);color:var(--t1);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);color:var(--t1);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{pointer-events:none;opacity:.85}
.btn.is-loading::before{
  content:"";width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(4,18,26,.3);border-top-color:#04121A;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-block{width:100%}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  padding-bottom:2px;background-image:linear-gradient(90deg,var(--primary),var(--primary-2));
  background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;
  transition:background-size .25s ease;
}
.link-more:hover{background-size:100% 2px;color:var(--primary)}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:360px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,9,15,.78),rgba(10,17,28,.9)),
    radial-gradient(560px 320px at 82% 22%,rgba(34,224,184,.16),transparent 68%);
}
.page-hero .inner{position:relative;z-index:2;padding:56px 0;width:100%}

.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--t3);opacity:.7}
.breadcrumb .current{color:var(--t1)}

.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
  font-size:12px;letter-spacing:.08em;color:var(--primary);
  border:1px solid rgba(34,224,184,.35);background:rgba(34,224,184,.08);
}
.page-hero h1{
  font-size:52px;line-height:1.1;letter-spacing:-.02em;max-width:820px;
}
.page-hero .lede{
  margin-top:18px;max-width:640px;font-size:17px;line-height:1.7;color:var(--t2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--t2);
  border:1px solid var(--line);background:var(--glass);
}
.pill svg{color:var(--primary);flex-shrink:0}

/* ============ 主体两栏 ============ */
main{display:block}
.content-layout{
  display:grid;grid-template-columns:220px minmax(0,1fr);
  gap:48px;align-items:start;
  padding:64px 0 0;
}
.toc{position:sticky;top:96px;align-self:start}
.toc-inner{
  border:1px solid var(--line);border-radius:16px;background:var(--glass);
  padding:18px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.toc-title{
  font-size:12px;letter-spacing:.1em;color:var(--t3);margin-bottom:12px;
}
.toc a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--t2);
  border-left:2px solid transparent;transition:all .2s ease;
}
.toc a:hover{color:var(--t1);background:var(--glass-2)}
.toc a.is-active{
  color:var(--primary);background:rgba(34,224,184,.08);
  border-left-color:var(--primary);box-shadow:inset 0 0 0 1px rgba(34,224,184,.16);
}

.section{padding:0 0 72px}
.section:last-of-type{padding-bottom:24px}
.section-head{max-width:760px;margin-bottom:28px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--primary);
  margin-bottom:12px;
}
.section h2{font-size:34px;line-height:1.2}
.section .sub{margin-top:14px;color:var(--t2);font-size:16px;line-height:1.75}

.card{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2)}

/* 倒计时横幅 */
.countdown-band{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  padding:22px 26px;margin-bottom:26px;
  border-radius:var(--r-glass);border:1px solid rgba(255,176,32,.34);
  background:linear-gradient(135deg,rgba(255,176,32,.08),rgba(34,224,184,.05));
}
.countdown-band .cb-label{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--amber);font-weight:600}
.clock{display:flex;align-items:center;gap:8px;margin-left:auto}
.clock .unit{
  min-width:58px;text-align:center;padding:8px 10px;border-radius:12px;
  background:rgba(5,9,15,.65);border:1px solid var(--line);
}
.clock .unit b{display:block;font-size:24px;line-height:1.1;color:var(--t1);font-variant-numeric:tabular-nums}
.clock .unit span{font-size:11px;color:var(--t3);letter-spacing:.08em}
.clock .colon{color:var(--t3);font-size:20px;line-height:1}

/* 优惠阶梯 */
.ladder{display:flex;flex-direction:column;gap:0}
.ladder-item{
  position:relative;display:grid;grid-template-columns:170px minmax(0,1fr) 170px;
  gap:26px;align-items:center;
  padding:24px 28px;margin-bottom:16px;border-radius:16px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.ladder-item:hover{transform:translateY(-3px);border-color:rgba(34,224,184,.4);background:rgba(255,255,255,.06)}
.ladder-item:not(:last-child)::after{
  content:"";position:absolute;left:50%;bottom:-16px;width:1px;height:16px;
  background:linear-gradient(180deg,rgba(34,224,184,.55),rgba(34,224,184,0));
}
.ladder-item:nth-child(2){background:rgba(255,255,255,.055)}
.ladder-item:nth-child(3){background:rgba(255,255,255,.07);border-color:rgba(34,224,184,.2)}
.ladder-item:nth-child(4){
  background:linear-gradient(135deg,rgba(34,224,184,.10),rgba(23,180,255,.06));
  border-color:rgba(34,224,184,.42);box-shadow:0 0 28px rgba(34,224,184,.14);
}
.ladder-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;color:var(--t2);border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);white-space:nowrap;
}
.ladder-tag.is-amber{color:var(--amber);border-color:rgba(255,176,32,.4);background:rgba(255,176,32,.08)}
.ladder-mid strong{display:block;font-size:17px;margin-bottom:8px}
.ladder-mid p{font-size:14px;color:var(--t2);line-height:1.7}
.ladder-right{text-align:right}
.ladder-right .discount{
  font-size:28px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.ladder-right small{display:block;font-size:12px;color:var(--t3);margin-top:4px}

/* 方案对比 */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  padding:28px;border-radius:var(--r-glass);
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .24s ease,border-color .24s ease;
}
.plan-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.plan-card.is-featured{
  transform:scale(1.03);border-color:rgba(34,224,184,.5);
  background:linear-gradient(160deg,rgba(34,224,184,.10),rgba(255,255,255,.045));
  box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 30px rgba(34,224,184,.2);
  z-index:2;
}
.plan-card.is-featured:hover{transform:scale(1.03) translateY(-4px)}
.plan-badge{
  position:absolute;top:-12px;right:22px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04121A;
}
.plan-name{font-size:15px;color:var(--t2);letter-spacing:.06em}
.plan-price{
  margin:14px 0 6px;font-size:36px;font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--t1);
}
.plan-price em{font-size:15px;font-style:normal;color:var(--t3);font-weight:500;margin-left:6px}
.plan-note{font-size:13px;color:var(--t3);min-height:22px}
.plan-divider{height:1px;background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,0));margin:20px 0}
.plan-list{display:grid;gap:12px;margin-bottom:26px}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--t2);line-height:1.6}
.plan-list li svg{flex-shrink:0;margin-top:4px;color:var(--primary)}
.plan-card .btn{margin-top:auto}

/* 计价构成 */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:36px;align-items:center}
.figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);background:var(--bg-2);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure figcaption{padding:14px 20px;font-size:13px;color:var(--t3);border-top:1px solid var(--line)}
.factor-list{display:grid;gap:16px;margin-top:26px}
.factor{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  padding:18px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.035);
  transition:border-color .2s ease,transform .2s ease;
}
.factor:hover{border-color:rgba(34,224,184,.35);transform:translateX(2px)}
.factor .fi{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(34,224,184,.32);background:rgba(34,224,184,.08);color:var(--primary);
}
.factor h4{font-size:16px;margin-bottom:6px}
.factor p{font-size:14px;color:var(--t2);line-height:1.7}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;padding:24px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);transition:transform .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(34,224,184,.35)}
.step-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  font-size:16px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--t2);line-height:1.7}
.step .dur{display:inline-block;margin-top:12px;font-size:12px;color:var(--t3);letter-spacing:.06em}

/* 表格 */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.table-scroll{overflow-x:auto}
table.cost-table{width:100%;border-collapse:collapse;min-width:620px}
table.cost-table th,table.cost-table td{
  padding:16px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);
}
table.cost-table thead th{
  font-size:12px;letter-spacing:.08em;color:var(--t3);font-weight:600;
  background:rgba(255,255,255,.04);
}
table.cost-table tbody tr:nth-child(odd){background:rgba(255,255,255,.022)}
table.cost-table tbody tr:hover{background:rgba(34,224,184,.06)}
table.cost-table td:first-child{color:var(--t1);font-weight:600}
table.cost-table .price-cell{color:var(--amber);font-weight:600;font-variant-numeric:tabular-nums}

/* FAQ */
.faq{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:var(--glass);
  overflow:hidden;transition:border-color .24s ease,background .24s ease;
}
.faq-item:hover{border-color:var(--line-2)}
.faq-item.is-open{border-color:rgba(34,224,184,.4);background:rgba(34,224,184,.05)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--t1);
}
.faq-icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--t2);
  transition:transform .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);border-color:var(--primary);color:var(--primary);
  background:rgba(34,224,184,.1);box-shadow:var(--glow);
}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--t2);line-height:1.75}

/* 表单 */
.form-section{margin-top:8px}
.form-card{
  padding:28px;border-radius:var(--r-glass);border:1px solid var(--line);
  background:var(--glass);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.form-alert{
  display:none;align-items:center;gap:10px;margin-bottom:20px;padding:12px 16px;
  border-radius:12px;font-size:14px;
  border:1px solid rgba(53,208,127,.4);background:rgba(53,208,127,.12);color:var(--success);
}
.form-alert.is-visible{display:flex}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--t2);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.14);background:rgba(5,9,15,.55);
  color:var(--t1);font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,224,184,.16);background:rgba(5,9,15,.75);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,90,110,.14);
}
.field .err{display:none;font-size:12px;color:var(--danger)}
.field.has-error .err{display:block}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--t2);line-height:1.6;margin:4px 0 22px}
.checkbox input{width:18px;height:18px;margin-top:2px;accent-color:var(--primary);flex-shrink:0}
.form-side{display:grid;gap:18px;align-content:start}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;font-size:14px;color:var(--t2);line-height:1.7}
.contact-list svg{flex-shrink:0;margin-top:4px;color:var(--primary)}

/* CTA 条 */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
  padding:32px 34px;border-radius:var(--r-glass);margin-bottom:72px;
  border:1px solid rgba(34,224,184,.32);
  background:linear-gradient(135deg,rgba(34,224,184,.10),rgba(23,180,255,.06));
  box-shadow:0 24px 60px rgba(0,0,0,.4),0 0 28px rgba(34,224,184,.12);
}
.cta-band h3{font-size:22px;margin-bottom:8px}
.cta-band p{font-size:15px;color:var(--t2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid transparent;
  background:
    linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,0)) top/100% 1px no-repeat,
    var(--bg-0);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.7;max-width:290px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t3);font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--t2);line-height:1.65}
.footer-col a{color:var(--t2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px}
  .page-hero h1{font-size:46px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .command-search{width:180px}
  .command-search:focus-within{width:220px}
  .hamburger{display:grid}
  .content-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:44px}
  .toc{position:static;top:auto;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .toc-inner{display:flex;gap:10px;align-items:center;min-width:max-content;padding:12px}
  .toc-title{display:none}
  .toc a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent}
  .toc a.is-active{border-left:0;border-bottom-color:var(--primary)}
  .page-hero h1{font-size:40px}
  .section h2{font-size:28px}
  .split{grid-template-columns:minmax(0,1fr);gap:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .plans{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;gap:18px}
  .plan-card{min-width:290px;scroll-snap-align:start}
  .plan-card.is-featured{transform:none}
  .plan-card.is-featured:hover{transform:translateY(-4px)}
  .ladder-item{grid-template-columns:minmax(0,1fr) auto;gap:18px}
  .ladder-item .ladder-mid{grid-column:1 / -1;order:3}
  .ladder-right{text-align:right}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-actions .command-search,.nav-actions .icon-btn,.nav-cta{display:none}
  .page-hero{min-height:320px}
  .page-hero h1{font-size:32px}
  .page-hero .lede{font-size:16px}
  .hero-actions .btn{width:100%}
  .section{padding-bottom:56px}
  .section h2{font-size:24px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:26px}
  .cta-actions .btn{width:100%}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .countdown-band{gap:16px}
  .clock{margin-left:0;width:100%}
}
@media (max-width:560px){
  .page-hero h1{font-size:30px}
  .breadcrumb{font-size:12px}
  .form-card{padding:20px}
  .ladder-item{padding:20px}
  .plan-card{padding:22px}
  .clock .unit{min-width:0;flex:1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:375px){
  .container{padding:0 16px}
  .page-hero h1{font-size:27px}
  .section h2{font-size:22px}
}

/* roulang page: category3 */
:root{
  --bg-0:#05090F;
  --bg-1:#0A111C;
  --bg-2:#0F1A2B;
  --glass:rgba(255,255,255,.055);
  --glass-hi:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(255,255,255,.16);
  --teal:#22E0B8;
  --teal-soft:rgba(34,224,184,.28);
  --blue:#17B4FF;
  --link:#3B82F6;
  --amber:#FFB020;
  --ok:#35D07F;
  --err:#FF5A6E;
  --t1:#F2F6FB;
  --t2:#A7B4C8;
  --t3:#6B7A93;
  --r-card:18px;
  --r-glass:20px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.06);
  --glow:0 0 24px rgba(34,224,184,.28);
  --glow-lg:0 0 36px rgba(34,224,184,.32);
  --container:1240px;
  --sect:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--link);text-decoration:none;transition:color .2s ease;}
a:hover{color:#6AA6FF;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(34,224,184,.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 通用排版 ============ */
.h1{font-size:52px;line-height:1.1;font-weight:700;letter-spacing:-.02em;}
.h2{font-size:34px;line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:22px;line-height:1.35;font-weight:600;}
.lead{font-size:17px;line-height:1.75;color:var(--t2);}
.small{font-size:14px;line-height:1.6;color:var(--t2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;line-height:1.5;
  color:var(--teal);text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
  background:rgba(34,224,184,.08);
  border:1px solid rgba(34,224,184,.24);
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head p{max-width:620px;margin-top:12px;color:var(--t2);font-size:15px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#22E0B8 0%,#17B4FF 100%);
  color:#04121A;
  box-shadow:var(--glow),var(--shadow-inset);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--glow-lg);color:#04121A;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 14px rgba(34,224,184,.22);}
.btn-ghost{
  background:var(--glass);color:var(--t1);
  border:1px solid var(--line-hi);backdrop-filter:blur(14px);
}
.btn-ghost:hover{background:var(--glass-hi);color:var(--t1);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--link);position:relative;}
.link-more::after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;background:linear-gradient(90deg,#3B82F6,#22E0B8);transition:right .22s ease;}
.link-more:hover::after{right:0;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  height:72px;
  background:rgba(10,17,28,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);
  transition:height .24s ease,background .24s ease;
}
.site-header.is-scrolled{height:60px;background:rgba(7,12,20,.9);}
.header-inner{display:flex;align-items:center;gap:28px;height:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-weight:700;font-size:17px;letter-spacing:-.01em;flex:0 0 auto;}
.logo:hover{color:var(--t1);}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(34,224,184,.16),rgba(23,180,255,.12));
  border:1px solid rgba(34,224,184,.32);
  box-shadow:0 0 16px rgba(34,224,184,.2);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:36px;padding:0 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--t2);
}
.nav-link:hover{color:var(--t1);background:var(--glass);}
.nav-link.is-active{color:var(--t1);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-14px;height:2px;border-radius:2px;
  background:var(--teal);box-shadow:0 0 12px rgba(34,224,184,.7);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px 0 12px;
  border-radius:10px;background:var(--glass);border:1px solid var(--line);
  transition:width .24s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search svg{flex:0 0 auto;color:var(--t3);}
.command-search input{
  flex:1 1 auto;min-width:0;background:none;border:0;outline:none;
  font-size:13.5px;color:var(--t1);
}
.command-search input::placeholder{color:var(--t3);}
.command-search .kbd{
  flex:0 0 auto;font-size:11px;color:var(--t3);line-height:1;
  padding:4px 6px;border-radius:6px;border:1px solid var(--line-hi);background:rgba(255,255,255,.04);
}
.command-search:focus-within{width:300px;border-color:var(--teal);box-shadow:0 0 0 3px rgba(34,224,184,.16);}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);
}
.icon-btn:hover{color:var(--t1);background:var(--glass-hi);}
.nav-toggle{
  display:none;width:42px;height:42px;place-items:center;border-radius:10px;cursor:pointer;
  background:var(--glass);border:1px solid var(--line);color:var(--t1);
}
.nav-toggle:hover{background:var(--glass-hi);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:98;background:rgba(3,6,11,.7);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  backdrop-filter:blur(2px);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:99;width:min(88vw,360px);
  background:linear-gradient(180deg,#0B1420,#070C14);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 20px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;display:grid;place-items:center;border-radius:10px;cursor:pointer;
  background:var(--glass);border:1px solid var(--line);color:var(--t1);
}
.drawer-search{display:flex;align-items:center;gap:8px;padding:0 12px;height:44px;border-radius:10px;background:var(--glass);border:1px solid var(--line);margin-bottom:18px;}
.drawer-search input{flex:1;background:none;border:0;outline:none;font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--t2);font-size:15px;border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--glass);color:var(--t1);}
.drawer-nav a.is-active{color:var(--t1);background:var(--glass);border-color:rgba(34,224,184,.3);}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;overflow:hidden;
  min-height:360px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);
}
.page-banner .banner-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-banner .banner-veil{
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(5,9,15,.9),rgba(10,17,28,.8) 55%,rgba(10,17,28,.94));
}
.page-banner .banner-glow{
  position:absolute;width:560px;height:560px;right:-140px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.28),transparent 68%);
  filter:blur(6px);pointer-events:none;
}
.page-banner .banner-lines{
  position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 80%);
}
.banner-inner{position:relative;z-index:2;padding:64px 0 56px;max-width:840px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:var(--t3);}
.crumbs a:hover{color:var(--teal);}
.crumbs .sep{opacity:.6;}
.crumbs .current{color:var(--t2);}
.banner-inner h1{margin:16px 0 18px;}
.banner-sub{font-size:18px;color:var(--t2);max-width:700px;line-height:1.7;}
.banner-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.banner-pills{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;font-size:13px;color:var(--t2);
  background:var(--glass);border:1px solid var(--line);
}
.pill svg{color:var(--teal);}

/* ============ 板块 ============ */
.section{padding:var(--sect) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--bg-0);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* 卡片瀑布 */
.masonry{columns:2;column-gap:24px;}
.masonry .m-card{break-inside:avoid;margin-bottom:24px;}
.m-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow),var(--shadow-inset);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.m-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:0 28px 66px rgba(0,0,0,.5),var(--shadow-inset);}
.m-card-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.m-ico{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(135deg,rgba(34,224,184,.16),rgba(23,180,255,.1));
  border:1px solid rgba(34,224,184,.24);color:var(--teal);
}
.m-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.m-card p{color:var(--t2);font-size:14.5px;margin-top:10px;}
.m-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.m-list li{display:flex;gap:9px;font-size:14px;color:var(--t2);line-height:1.6;}
.m-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 8px rgba(34,224,184,.6);}
.m-tag{
  display:inline-block;margin-top:16px;font-size:12px;letter-spacing:.06em;color:var(--amber);
  padding:4px 10px;border-radius:999px;background:rgba(255,176,32,.1);border:1px solid rgba(255,176,32,.26);
}
.m-card.is-feature{border-color:rgba(34,224,184,.3);background:linear-gradient(150deg,rgba(34,224,184,.08),rgba(255,255,255,.045) 55%);}

/* 数据条 */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:32px;border-radius:var(--r-glass);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow),var(--shadow-inset);
}
.metric{padding:6px 4px;border-left:1px solid var(--line);padding-left:22px;}
.metric:first-child{border-left:0;padding-left:4px;}
.metric .val{font-size:38px;font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--t1);display:flex;align-items:baseline;gap:4px;}
.metric .val em{font-style:normal;font-size:16px;color:var(--teal);font-weight:600;}
.metric .cap{margin-top:8px;font-size:13.5px;color:var(--t2);}

/* 流程时间线 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.flow::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:1px;
  background:linear-gradient(90deg,rgba(34,224,184,.5),rgba(23,180,255,.35),rgba(255,255,255,.06));
}
.flow-step{position:relative;padding-top:0;}
.flow-dot{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(34,224,184,.18),rgba(15,26,43,.9));
  border:1px solid rgba(34,224,184,.3);color:var(--teal);
  box-shadow:0 0 18px rgba(34,224,184,.18);position:relative;z-index:2;
  font-weight:700;font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;font-weight:600;margin:18px 0 8px;}
.flow-step p{font-size:14px;color:var(--t2);line-height:1.7;}

/* 图文区块 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.figure{
  position:relative;border-radius:var(--r-glass);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:linear-gradient(135deg,#0F1A2B,#0A111C);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92;}
.figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.16),rgba(5,9,15,.6));
}
.figure figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:13px;color:var(--t2);
}
.figure .fallback{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:40px;font-weight:700;color:rgba(255,255,255,.6);
  background:linear-gradient(135deg,#22E0B8,#17B4FF);opacity:0;
}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.check-item{display:flex;gap:14px;align-items:flex-start;}
.check-item .mark{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;
  background:rgba(34,224,184,.12);border:1px solid rgba(34,224,184,.3);color:var(--teal);margin-top:2px;
}
.check-item h4{font-size:16px;font-weight:600;}
.check-item p{font-size:14px;color:var(--t2);margin-top:4px;}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:14px;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:var(--line-hi);}
.faq-item.is-open{border-color:rgba(34,224,184,.34);background:rgba(34,224,184,.05);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--t1);min-height:44px;
}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-hi);color:var(--t2);font-size:18px;line-height:1;
  transition:transform .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--teal);border-color:rgba(34,224,184,.6);box-shadow:0 0 14px rgba(34,224,184,.3);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{padding:0 22px 20px;color:var(--t2);font-size:14.8px;line-height:1.8;}

/* 联系入口 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.entry-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow),var(--shadow-inset);
  transition:transform .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--line-hi);}
.entry-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.entry-card p{font-size:14.5px;color:var(--t2);}
.entry-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.form-card{
  background:linear-gradient(150deg,rgba(34,224,184,.07),rgba(255,255,255,.045) 60%);
  border:1px solid rgba(34,224,184,.24);border-radius:var(--r-glass);
  padding:28px;box-shadow:var(--shadow),var(--shadow-inset);
}
.form-card h3{font-size:20px;font-weight:600;margin-bottom:6px;}
.field{margin-top:18px;}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-input);padding:12px 14px;font-size:14.5px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:96px;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(34,224,184,.16);}
.field .tip{font-size:12px;color:var(--err);margin-top:6px;display:none;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);}
.field.has-error .tip{display:block;}
.form-note{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--t2);}
.form-note input{width:auto;margin-top:3px;accent-color:var(--teal);}
.form-success{
  display:none;margin-bottom:16px;padding:12px 14px;border-radius:10px;font-size:13.5px;
  background:rgba(53,208,127,.12);border:1px solid rgba(53,208,127,.4);color:#9DF0C4;
}
.form-success.is-visible{display:block;}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-glass);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(255,176,32,.1),rgba(34,224,184,.08) 45%,rgba(15,26,43,.9));
  border:1px solid rgba(255,255,255,.12);
}
.cta-band::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-glass);pointer-events:none;
  background:linear-gradient(135deg,rgba(255,176,32,.55),rgba(34,224,184,.45));
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.cta-band h2{font-size:28px;font-weight:700;letter-spacing:-.01em;}
.cta-band p{color:var(--t2);font-size:15px;margin-top:10px;max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-0);border-top:1px solid transparent;
  background-image:linear-gradient(var(--bg-0),var(--bg-0)),linear-gradient(90deg,rgba(34,224,184,.5),rgba(23,180,255,.35),transparent);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{margin-top:16px;color:var(--t2);font-size:14px;max-width:280px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li,.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--teal);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px;}
  .h1{font-size:44px;}
  .command-search{width:200px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  :root{--sect:72px;}
  .h1{font-size:40px;}
  .h2{font-size:30px;}
  .nav-links{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:grid;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:24px;}
  .metric:nth-child(3){border-left:0;padding-left:4px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .flow::before{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--sect:56px;}
  .h1{font-size:34px;}
  .h2{font-size:26px;}
  .h3{font-size:19px;}
  .page-banner{min-height:320px;}
  .banner-inner{padding:48px 0 44px;}
  .banner-sub{font-size:16px;}
  .masonry{columns:1;}
  .metrics{grid-template-columns:1fr;padding:24px;}
  .metric{border-left:0;padding-left:4px;padding-top:16px;border-top:1px solid var(--line);}
  .metric:first-child{border-top:0;padding-top:0;}
  .flow{grid-template-columns:1fr;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .header-actions{gap:8px;}
}
@media (max-width:560px){
  .container{padding:0 20px;}
  .h1{font-size:30px;}
  .banner-actions{flex-direction:column;align-items:stretch;}
  .banner-actions .btn{width:100%;}
  .header-actions .btn-primary{display:none;}
  .sec-head{margin-bottom:26px;}
  .m-card{padding:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}