/* roulang page: index */
:root{
  --c-primary:#0FB9A0;
  --c-primary-press:#0A8E7B;
  --c-neon:#2BE3C6;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFB58C;
  --c-tertiary:#6E5BFF;
  --c-dark-900:#071715;
  --c-dark-800:#0B211E;
  --c-bg:#F4FAF8;
  --c-card:#FFFFFF;
  --t-main:#0A1F1C;
  --t-sub:#4A625E;
  --t-weak:#8AA09C;
  --line:#E2EDEA;
  --line-dark:rgba(255,255,255,.10);
  --t-dark-1:#E6F5F1;
  --t-dark-2:#9DBAB5;
  --grad-brand:linear-gradient(120deg,#0FB9A0 0%,#2BE3C6 42%,#FF7A45 100%);
  --glow:radial-gradient(circle at 82% 16%,rgba(43,227,198,.26),transparent 58%);
  --shadow-1:0 6px 18px rgba(8,40,35,.06);
  --shadow-2:0 14px 36px rgba(8,40,35,.10);
  --shadow-neon:0 0 0 1px rgba(43,227,198,.32),0 12px 30px rgba(15,185,160,.22);
  --r-s:8px; --r-m:14px; --r-l:20px; --r-card:24px; --r-hero:28px; --r-pill:999px;
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--t-main);
  font-size:16px;
  line-height:1.85;
  padding-top:68px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--c-dark-900);color:var(--t-dark-1);position:relative;overflow:hidden;}
.section--dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.section--dark::after{content:"";position:absolute;inset:0;background:var(--glow);pointer-events:none;}
.section--dark > *{position:relative;z-index:1;}

.eyebrow{
  font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--c-neon);}
.h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:20px;line-height:1.45;font-weight:600;}
.lead{color:var(--t-sub);font-size:16px;max-width:720px;}
.section--dark .lead{color:var(--t-dark-2);}
.section-head{margin-bottom:36px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ------- 公告条 ------- */
.notice{
  background:linear-gradient(90deg,rgba(15,185,160,.12),rgba(255,122,69,.12));
  border-bottom:1px solid var(--line);
  font-size:14px;color:var(--t-sub);
}
.notice-inner{display:flex;align-items:center;gap:12px;padding:8px 24px;max-width:var(--max);margin:0 auto;}
.notice-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(255,122,69,.18);flex:0 0 auto;}
.notice a{color:var(--c-primary-press);font-weight:600;}
.notice a:hover{color:var(--c-primary);}
.notice-close{margin-left:auto;background:none;border:1px solid var(--line);color:var(--t-weak);border-radius:var(--r-pill);width:26px;height:26px;line-height:1;cursor:pointer;transition:all .2s ease-out;}
.notice-close:hover{color:var(--c-primary-press);border-color:var(--c-primary);background:rgba(15,185,160,.08);}

/* ------- 导航 ------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(7,23,21,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(15,185,160,.6),rgba(43,227,198,.6),rgba(255,122,69,.6));
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;height:68px;
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(15,185,160,.35);letter-spacing:-.02em;
}
.logo-text{color:#E6F5F1;font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--c-neon);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-link{
  position:relative;color:#C9DED9;font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:var(--r-pill);transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--c-neon);background:rgba(43,227,198,.08);}
.nav-link.active{color:var(--c-neon);text-shadow:0 0 12px rgba(43,227,198,.55);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 10px rgba(43,227,198,.6);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-cta{
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  padding:10px 20px;border-radius:var(--r-pill);transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
  box-shadow:0 8px 20px rgba(15,185,160,.28);
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(15,185,160,.38);}
.nav-cta:active{transform:translateY(0);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.04);cursor:pointer;padding:0;place-items:center;
}
.hamburger span{display:block;width:18px;height:1.5px;background:#C9DED9;margin:4px auto;border-radius:2px;transition:all .22s ease-out;}
.hamburger:hover{border-color:rgba(43,227,198,.5);}
.hamburger:hover span{background:var(--c-neon);}

.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(7,23,21,.98);
  transform:translateX(100%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:20px 20px 96px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{background:none;border:1px solid rgba(43,227,198,.4);color:var(--c-neon);width:38px;height:38px;border-radius:12px;cursor:pointer;font-size:18px;}
.drawer-link{
  color:var(--t-dark-1);font-size:16px;font-weight:600;padding:16px 4px;
  border-bottom:1px solid rgba(43,227,198,.16);display:flex;align-items:center;justify-content:space-between;
}
.drawer-link:hover{color:var(--c-neon);}
.drawer-link span{color:var(--t-dark-2);font-size:13px;font-weight:400;}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:rgba(7,23,21,.98);border-top:1px solid rgba(43,227,198,.2);}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;padding:12px 26px;border-radius:var(--r-pill);
  transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(15,185,160,.28);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 32px rgba(15,185,160,.35);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary-press);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:rgba(15,185,160,.08);border-color:var(--c-neon);color:var(--c-primary-press);}
.btn-ghost:active{transform:translateY(1px);}
.btn-neon{background:rgba(7,23,21,.85);color:var(--c-neon);border:1px solid rgba(43,227,198,.55);text-shadow:0 0 10px rgba(43,227,198,.35);}
.btn-neon:hover{background:rgba(43,227,198,.12);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--c-primary-press);box-shadow:0 10px 26px rgba(7,23,21,.18);}
.btn-white:hover{transform:translateY(-2px);filter:brightness(1.02);}
.btn[disabled],.btn.is-disabled{filter:saturate(.6);opacity:.6;cursor:not-allowed;transform:none;}
.link-arrow{color:var(--c-primary-press);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;transition:all .2s ease-out;}
.link-arrow i{font-style:normal;transition:transform .2s ease-out;}
.link-arrow:hover{border-bottom-color:var(--c-primary);color:var(--c-primary);}
.link-arrow:hover i{transform:translateX(4px);}
.section--dark .link-arrow{color:var(--c-neon);}

/* ------- Hero ------- */
.hero{
  background:var(--c-dark-900);color:var(--t-dark-1);position:relative;overflow:hidden;
  padding:76px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;background:var(--glow);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  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 .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.hero-eyebrow{color:var(--c-neon);font-size:13px;letter-spacing:.08em;font-weight:500;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.hero-eyebrow::before{content:"";width:26px;height:1.5px;background:var(--grad-brand);display:block;border-radius:2px;}
.hero h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.02em;color:#F1FBF8;
}
.hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:20px;color:var(--t-dark-2);font-size:17px;line-height:1.8;max-width:560px;}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.trust-row{margin-top:26px;display:flex;gap:20px;flex-wrap:wrap;color:var(--t-dark-2);font-size:14px;}
.trust-row li{display:flex;align-items:center;gap:8px;}
.trust-row li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-neon);box-shadow:0 0 8px rgba(43,227,198,.8);}
.hero-visual{position:relative;}
.hero-img-wrap{
  border-radius:var(--r-hero);overflow:hidden;border:1px solid rgba(43,227,198,.28);
  box-shadow:0 24px 60px rgba(0,0,0,.45);aspect-ratio:4/3;background:#0B211E;
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;background:#fff;color:var(--t-main);border-radius:var(--r-m);
  padding:12px 16px;box-shadow:var(--shadow-2);min-width:132px;
}
.hero-badge b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--c-primary-press);}
.hero-badge span{font-size:12px;color:var(--t-weak);}
.hero-badge--a{left:-18px;bottom:36px;}
.hero-badge--b{right:-14px;top:30px;background:rgba(7,23,21,.92);color:#fff;border:1px solid rgba(43,227,198,.45);}
.hero-badge--b b{color:var(--c-neon);}

/* ------- chips ------- */
.chips-bar{
  position:sticky;top:68px;z-index:60;background:rgba(244,250,248,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.chips{display:flex;gap:10px;padding:14px 24px;max-width:var(--max);margin:0 auto;overflow-x:auto;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  background:#fff;border:1px solid var(--line);color:var(--t-sub);transition:all .2s ease-out;white-space:nowrap;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-press);transform:translateY(-1px);}
.chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(15,185,160,.26);}

/* ------- 交替大卡 ------- */
.feature-row{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;margin-bottom:56px;}
.feature-row:last-child{margin-bottom:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-body{order:1;}
.feature-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);aspect-ratio:16/10;background:#E7F3F0;
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.feature-media:hover img{transform:scale(1.03);}
.num-badge{
  width:44px;height:44px;border-radius:var(--r-m);display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 8px 18px rgba(15,185,160,.28);font-variant-numeric:tabular-nums;
}
.feature-body .num-badge{margin-bottom:16px;}
.feature-body h3{margin-bottom:12px;}
.feature-body p{color:var(--t-sub);font-size:15.5px;}
.point-list{margin:18px 0 20px;display:grid;gap:8px;}
.point-list li{position:relative;padding-left:18px;color:var(--t-sub);font-size:15px;}
.point-list li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 3px rgba(15,185,160,.14);}

/* ------- 演示区 ------- */
.demo-wrap{
  background:linear-gradient(135deg,rgba(15,185,160,.10),rgba(110,91,255,.08) 55%,rgba(255,122,69,.10));
  border:1px solid var(--line);border-radius:var(--r-hero);padding:44px;display:grid;
  grid-template-columns:6fr 6fr;gap:40px;align-items:center;
}
.demo-shot{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:#fff;aspect-ratio:16/9;}
.demo-shot img{width:100%;height:100%;object-fit:cover;}
.demo-stat-float{
  margin-top:-36px;margin-left:24px;background:#fff;border-radius:var(--r-m);padding:14px 18px;
  box-shadow:var(--shadow-2);display:inline-flex;align-items:center;gap:12px;position:relative;z-index:2;
  border:1px solid var(--line);
}
.demo-stat-float b{font-size:22px;font-weight:800;color:var(--c-primary-press);font-variant-numeric:tabular-nums;}
.demo-stat-float span{font-size:13px;color:var(--t-weak);}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat-card b{font-size:clamp(26px,3.6vw,42px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--t-main);}
.stat-card b i{font-style:normal;font-size:14px;color:var(--t-weak);font-weight:500;margin-left:4px;}
.stat-card span{display:block;color:var(--t-sub);font-size:14px;margin-top:6px;}

/* ------- 证据区 ------- */
.proof-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.badge-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.badge-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px 22px 26px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.badge-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);}
.badge-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.badge-card b{font-size:clamp(24px,3.2vw,36px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.badge-card b i{font-style:normal;font-size:13px;color:var(--t-weak);font-weight:500;margin-left:3px;}
.badge-card span{display:block;margin-top:6px;font-size:14px;color:var(--t-sub);}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;
  box-shadow:var(--shadow-1);position:relative;
}
.quote-card .qmark{font-size:46px;line-height:1;color:rgba(15,185,160,.25);font-weight:800;}
.quote-card p{margin-top:8px;color:var(--t-sub);font-size:15.5px;}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
.quote-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;background:#E7F3F0;flex:0 0 auto;}
.quote-avatar img{width:100%;height:100%;object-fit:cover;}
.quote-person strong{display:block;font-size:14.5px;}
.quote-person span{font-size:13px;color:var(--t-weak);}
.logo-strip{display:flex;gap:16px;overflow-x:auto;margin-top:36px;padding-bottom:6px;scrollbar-width:none;}
.logo-strip::-webkit-scrollbar{display:none;}
.logo-item{
  flex:0 0 auto;min-width:150px;height:60px;border-radius:var(--r-m);border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--t-weak);font-size:14px;font-weight:600;
  filter:grayscale(1);opacity:.75;transition:all .22s ease-out;padding:0 18px;
}
.logo-item:hover{filter:grayscale(0);opacity:1;color:var(--c-primary-press);box-shadow:var(--shadow-1);}

/* ------- 资讯列表 ------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;position:relative;
}
.news-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .22s ease-out;z-index:2;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-card:hover::before{opacity:1;}
.news-cover{aspect-ratio:16/9;background:#E7F3F0;overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-tag{
  align-self:flex-start;background:rgba(15,185,160,.12);color:var(--c-primary-press);
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:var(--r-pill);margin-bottom:12px;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--t-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  margin-top:10px;font-size:14px;color:var(--t-sub);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t-weak);font-variant-numeric:tabular-nums;
}
.empty-card{
  grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-mark{
  width:56px;height:56px;border-radius:var(--r-m);margin:0 auto 18px;background:rgba(15,185,160,.12);
  display:grid;place-items:center;color:var(--c-primary);font-size:22px;font-weight:800;
}
.empty-card p{color:var(--t-sub);font-size:15px;margin-bottom:20px;}

/* ------- 价格 ------- */
.price-list{display:grid;gap:18px;}
.price-row{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;display:grid;grid-template-columns:2.1fr 4.2fr 1.5fr;gap:28px;align-items:center;
  box-shadow:var(--shadow-1);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.price-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.price-row.is-featured{border:2px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--shadow-neon);}
.price-row.is-featured::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);border-radius:3px 0 0 3px;}
.price-flag{
  position:absolute;top:-12px;right:24px;background:var(--grad-brand);color:#fff;font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:var(--r-pill);box-shadow:0 6px 16px rgba(15,185,160,.3);
}
.price-name h3{font-size:18px;}
.price-name p{font-size:14px;color:var(--t-sub);margin-top:6px;}
.price-feats{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;}
.price-feats li{position:relative;padding-left:20px;font-size:14px;color:var(--t-sub);}
.price-feats li::before{
  content:"";position:absolute;left:0;top:9px;width:11px;height:6px;border-left:1.5px solid var(--c-primary);
  border-bottom:1.5px solid var(--c-primary);transform:rotate(-45deg);
}
.price-side{text-align:right;}
.price-amount{font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.price-amount i{font-style:normal;font-size:14px;color:var(--t-weak);font-weight:500;}
.price-side .btn{margin-top:12px;padding:10px 20px;font-size:14px;}

/* ------- FAQ ------- */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:20px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--t-main);transition:background .2s ease-out;
}
.faq-q:hover{background:rgba(15,185,160,.05);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--c-primary);
  color:var(--c-primary-press);display:grid;place-items:center;font-size:15px;line-height:1;
  transition:transform .24s ease-out,background .2s ease-out,color .2s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a p{padding:0 26px 22px;color:var(--t-sub);font-size:15px;}

/* ------- 收尾 CTA ------- */
.cta-band{
  background:var(--grad-brand);color:#fff;border-radius:var(--r-hero);padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(15,185,160,.28);
}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.9);font-size:15.5px;max-width:520px;}

/* ------- 页脚 ------- */
.site-footer{background:var(--c-dark-900);color:var(--t-dark-2);position:relative;padding:64px 0 0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(15,185,160,.7),rgba(43,227,198,.7),rgba(255,122,69,.7));}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#E6F5F1;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--t-dark-2);max-width:320px;}
.footer-contact{margin-top:18px;font-size:14px;display:grid;gap:6px;}
.footer-contact b{color:#E6F5F1;font-weight:600;}
.qr-slot{
  margin-top:18px;width:88px;height:88px;border-radius:var(--r-m);border:1px dashed rgba(43,227,198,.35);
  display:grid;place-items:center;font-size:12px;color:var(--t-dark-2);text-align:center;line-height:1.4;padding:6px;
}
.footer-col h4{font-size:15px;color:#E6F5F1;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--t-dark-2);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--c-neon);}
.footer-legal{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 calc(20px + env(safe-area-inset-bottom));
  font-size:13px;color:var(--t-dark-2);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-legal a{color:var(--t-dark-2);}
.footer-legal a:hover{color:var(--c-neon);}

/* ------- 浮动 CTA ------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  background:var(--grad-brand);color:#fff;font-size:14.5px;font-weight:600;
  padding:13px 24px;border-radius:var(--r-pill);box-shadow:0 16px 34px rgba(15,185,160,.4);
  display:inline-flex;align-items:center;gap:8px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out,filter .2s ease-out;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{filter:brightness(1.06);}
.float-top{
  position:fixed;right:24px;bottom:24px;z-index:71;width:48px;height:48px;border-radius:50%;
  background:var(--c-dark-800);color:var(--c-neon);border:1px solid rgba(43,227,198,.5);
  display:grid;place-items:center;cursor:pointer;font-size:16px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out,background .2s ease-out;
}
.float-top.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-top:hover{background:rgba(43,227,198,.14);}
.mobile-bar{display:none;}

/* ------- 响应式 ------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:620px;}
  .feature-row{grid-template-columns:1fr;gap:24px;}
  .feature-row.reverse .feature-media,.feature-row.reverse .feature-body{order:initial;}
  .demo-wrap{grid-template-columns:1fr;padding:32px;}
  .proof-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .price-row{grid-template-columns:1fr;gap:18px;}
  .price-side{text-align:left;}
  .price-feats{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .hamburger{display:grid;}
  .cta-band{padding:36px 26px;}
}
@media (max-width:639px){
  body{padding-top:60px;padding-bottom:56px;}
  .nav-inner{height:60px;padding:0 16px;gap:12px;}
  .logo-text{font-size:15px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .hero{padding:52px 0 60px;}
  .chips-bar{top:60px;}
  .chips{padding:12px 16px;}
  .hero-badge--a{left:0;bottom:-14px;}
  .hero-badge--b{right:0;top:-14px;}
  .hero-img-wrap{aspect-ratio:16/10;}
  .news-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:1fr;}
  .price-feats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .demo-stat-float{margin-left:0;margin-top:-28px;}
  .float-cta{display:none;}
  .float-top{bottom:76px;}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:75;height:56px;
    padding:0 12px calc(0px + env(safe-area-inset-bottom));
    background:rgba(7,23,21,.98);border-top:1px solid rgba(43,227,198,.28);
    align-items:center;gap:10px;
  }
  .mobile-bar .btn{flex:1;justify-content:center;padding:10px 14px;font-size:14px;}
  .mobile-bar .btn-ghost{color:var(--c-neon);border-color:rgba(43,227,198,.5);flex:0 0 96px;}
  .mobile-bar .btn-ghost:hover{background:rgba(43,227,198,.12);}
}

/* roulang page: article */
:root{
  --c-primary:#0FB9A0;
  --c-primary-dark:#0A8E7B;
  --c-neon:#2BE3C6;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFB58C;
  --c-tertiary:#6E5BFF;
  --c-dark-900:#071715;
  --c-dark-800:#0B211E;
  --c-bg:#F4FAF8;
  --c-card:#FFFFFF;
  --t-main:#0A1F1C;
  --t-sub:#4A625E;
  --t-weak:#8AA09C;
  --line:#E2EDEA;
  --dark-text:#E6F5F1;
  --dark-weak:#9DBAB5;
  --grad-brand:linear-gradient(120deg,#0FB9A0 0%,#2BE3C6 42%,#FF7A45 100%);
  --glow:radial-gradient(circle at 82% 16%,rgba(43,227,198,.26),transparent 58%);
  --shadow-1:0 6px 18px rgba(8,40,35,.06);
  --shadow-2:0 14px 36px rgba(8,40,35,.10);
  --shadow-neon:0 0 0 1px rgba(43,227,198,.32),0 12px 30px rgba(15,185,160,.22);
  --r-sm:8px; --r-md:14px; --r-lg:20px; --r-card:24px; --r-hero:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--t-main);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase}
h1,h2,h3,h4{color:var(--t-main);margin:0}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.45;font-weight:600}
h4{font-size:17px;font-weight:600}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,23,21,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(43,227,198,.65),rgba(255,122,69,.65));
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;height:68px;
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-brand);color:#04120F;font-size:13px;font-weight:800;letter-spacing:.02em;
}
.logo-text{color:#E6F5F1;font-size:16px;font-weight:700;letter-spacing:.01em}
.logo-text em{color:var(--c-neon);font-style:normal}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;
  color:#C9DED9;font-size:15px;font-weight:500;transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--c-neon);background:rgba(43,227,198,.08)}
.nav-link.active{color:#FFFFFF;text-shadow:0 0 12px rgba(43,227,198,.55)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 10px rgba(43,227,198,.6);
}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-cta{
  padding:10px 22px;border-radius:999px;background:var(--grad-brand);color:#04120F;
  font-size:14px;font-weight:700;transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 10px 24px rgba(15,185,160,.35)}
.nav-cta:active{transform:translateY(0)}
.hamburger{
  display:none;width:42px;height:38px;border:1px solid rgba(43,227,198,.35);background:transparent;
  border-radius:10px;cursor:pointer;padding:0;
}
.hamburger span{display:block;width:18px;height:1.5px;margin:3.5px auto;background:var(--c-neon);border-radius:2px}
.mobile-drawer{
  position:fixed;inset:60px 0 0 0;z-index:70;background:rgba(7,23,21,.98);
  padding:22px 20px calc(96px + env(safe-area-inset-bottom));
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s;
  overflow-y:auto;
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0)}
body.drawer-open{overflow:hidden}
.mobile-drawer a{
  display:block;padding:15px 4px;color:#DCEFEB;font-size:16px;border-bottom:1px solid rgba(43,227,198,.16);
}
.mobile-drawer a:hover{color:var(--c-neon)}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:rgba(4,16,14,.98);border-top:1px solid rgba(43,227,198,.25)}

/* ---------- 面包屑 & 文章头 ---------- */
.article-head{position:relative;padding:40px 0 8px;background:
  linear-gradient(180deg,#EAF6F3 0%,rgba(244,250,248,0) 100%)}
.breadcrumb{font-size:14px;color:var(--t-weak);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{color:var(--t-sub);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C3D6D2}
.breadcrumb .current{color:var(--t-main);font-weight:600}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:rgba(15,185,160,.10);color:var(--c-primary-dark);font-size:12px;font-weight:600;
}
.pill.accent{background:rgba(255,122,69,.12);color:#C9522A}
.article-title{
  font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 0;max-width:960px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;padding-bottom:26px;
  font-size:14px;color:var(--t-weak);border-bottom:1px solid var(--line);
}
.article-meta b{color:var(--t-sub);font-weight:600}

/* ---------- 封面 ---------- */
.cover-figure{max-width:1180px;margin:32px auto 0;padding:0 24px}
.cover-frame{
  aspect-ratio:21/9;border-radius:var(--r-card);overflow:hidden;background:#DCEBE7;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.cover-frame img{width:100%;height:100%;object-fit:cover}

/* ---------- 阅读区 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:52px 0 8px}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.95;color:#1B3733}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--t-main);
  margin:2.2em 0 .8em;padding-left:14px;border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#0FB9A0,#FF7A45) 1;
}
.article-body h3{font-size:20px;font-weight:600;margin:1.9em 0 .7em;color:var(--t-main)}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.2em}
.article-body ul{list-style:none;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--grad-brand);
}
.article-body ol li{margin-bottom:.55em}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-radius:0 var(--r-md) var(--r-md) 0;
  background:#EDF8F5;border-left:3px solid;border-image:linear-gradient(180deg,#0FB9A0,#FF7A45) 1;
  color:#22433D;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-primary-dark);text-decoration:underline;text-decoration-color:rgba(15,185,160,.45);text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent);text-decoration-color:rgba(255,122,69,.65)}
.article-body img{border-radius:18px;margin:1.6em auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--t-weak);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:#fff;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:#EAF6F3;color:var(--t-sub);font-weight:600}
.article-body code{background:#EAF6F3;border-radius:6px;padding:2px 6px;font-size:14px;color:#0A6B5C}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

.empty-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-card .empty-mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--grad-brand);
  opacity:.85;
}
.empty-card h3{margin-bottom:10px}
.empty-card p{color:var(--t-sub);margin:0 0 22px;font-size:15px}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;max-width:800px;margin:34px auto 0}
.tag{
  padding:6px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--t-sub);transition:all .2s ease-out;
}
.tag:hover{border-color:rgba(43,227,198,.8);color:var(--c-primary-dark);background:#EDF8F5}

/* ---------- 侧栏 ---------- */
.article-side{display:none}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-card h4{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--grad-brand)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{padding:10px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{font-size:14px;color:var(--t-sub);line-height:1.6;transition:color .2s ease-out}
.side-list a:hover{color:var(--c-primary)}
.side-cta{background:var(--c-dark-800);color:var(--dark-text);position:relative;overflow:hidden}
.side-cta::before{content:"";position:absolute;inset:0;background:var(--glow);pointer-events:none}
.side-cta h4{color:#fff}
.side-cta h4::before{background:linear-gradient(180deg,#2BE3C6,#FF7A45)}
.side-cta p{font-size:13.5px;color:var(--dark-weak);margin:0 0 16px;position:relative}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:11px 18px;border-radius:999px;border:1px solid rgba(43,227,198,.6);
  color:var(--c-neon);font-size:14px;font-weight:600;background:transparent;
  text-shadow:0 0 10px rgba(43,227,198,.35);position:relative;
  transition:background .2s ease-out,transform .2s ease-out;
}
.btn-neon:hover{background:rgba(43,227,198,.12);transform:translateY(-2px)}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;font-weight:600;
  padding:12px 26px;font-size:15px;cursor:pointer;border:0;
  transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out,background .2s ease-out;
}
.btn-primary{background:var(--grad-brand);color:#04120F}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(15,185,160,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary-dark);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:rgba(15,185,160,.08);border-color:var(--c-neon)}
.link-arrow{color:var(--c-primary-dark);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.link-arrow i{font-style:normal;transition:transform .2s ease-out}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 相关推荐 ---------- */
.related{background:#fff;border-top:1px solid var(--line);padding:72px 0}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);position:relative;display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.post-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .22s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post-card:hover::before{opacity:1}
.post-thumb{aspect-ratio:16/9;background:#DCEBE7;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;line-height:1.7;color:var(--t-sub);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--t-weak);margin-top:auto}

.back-row{display:flex;justify-content:center;padding:0 24px 88px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark-900);color:var(--dark-text);position:relative;padding:72px 0 26px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(43,227,198,.7),rgba(255,122,69,.7));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{font-size:14px;color:var(--dark-weak);margin:16px 0 18px;line-height:1.8}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--dark-weak)}
.footer-contact b{color:#D7EDE8;font-weight:600}
.qr-slot{
  margin-top:18px;width:96px;height:96px;border-radius:14px;border:1px dashed rgba(43,227,198,.45);
  display:grid;place-items:center;text-align:center;font-size:12px;color:var(--dark-weak);line-height:1.5;
}
.footer-col h4{color:#FFFFFF;font-size:15px;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--dark-weak);transition:color .2s ease-out}
.footer-col a:hover{color:var(--c-neon)}
.footer-legal{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7FA09A;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:999px;background:var(--grad-brand);color:#04120F;font-weight:700;font-size:14px;
  box-shadow:var(--shadow-neon);opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease-out,transform .25s ease-out;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-2px)}

@media (max-width:1279px){
  .article-side{display:none!important}
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,800px) 300px;justify-content:center}
  .article-body{max-width:none;margin:0}
  .tag-row{max-width:none;margin-left:0}
  .article-side{display:block;position:sticky;top:96px;align-self:start}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .hamburger{display:block}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .nav-inner{height:60px;padding:0 16px;gap:14px}
  .nav-cta{display:none}
  .mobile-drawer{inset:60px 0 0 0}
  .container{padding:0 16px}
  .cover-figure{padding:0 16px;margin-top:24px}
  .cover-frame{aspect-ratio:16/9}
  .article-head{padding:26px 0 6px}
  .article-layout{padding:36px 0 0}
  .article-body{font-size:16.5px;line-height:1.9}
  .section{padding:56px 0}
  .card-grid{grid-template-columns:1fr}
  .related{padding:56px 0}
  .related-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));
    justify-content:center;border-radius:16px;padding:14px 18px;
  }
  body{padding-bottom:76px}
}
@media (max-width:520px){
  .article-title{font-size:26px}
  .breadcrumb{font-size:13px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FB9A0;
  --c-primary-press:#0A8E7B;
  --c-neon:#2BE3C6;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFB58C;
  --c-tertiary:#6E5BFF;
  --c-dark-900:#071715;
  --c-dark-800:#0B211E;
  --c-bg:#F4FAF8;
  --t-1:#0A1F1C;
  --t-2:#4A625E;
  --t-3:#8AA09C;
  --line:#E2EDEA;
  --dt-1:#E6F5F1;
  --dt-2:#9DBAB5;
  --grad-brand:linear-gradient(120deg,#0FB9A0 0%,#2BE3C6 42%,#FF7A45 100%);
  --glow:radial-gradient(circle at 82% 16%,rgba(43,227,198,.26),transparent 58%);
  --shadow-1:0 6px 18px rgba(8,40,35,.06);
  --shadow-2:0 14px 36px rgba(8,40,35,.10);
  --shadow-neon:0 0 0 1px rgba(43,227,198,.32),0 12px 30px rgba(15,185,160,.22);
  --r-s:8px;--r-m:14px;--r-l:20px;--r-card:24px;--r-hero:28px;--r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--t-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--c-primary-press);padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(7,23,21,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(43,227,198,.65),rgba(255,122,69,.6))}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:18px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center;letter-spacing:.02em}
.logo-text{font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-neon)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:9px 13px;font-size:15px;font-weight:500;color:#C9DED9;border-radius:var(--r-pill);transition:color .22s ease-out,background .22s ease-out}
.nav-link:hover{color:var(--c-neon);background:rgba(43,227,198,.08)}
.nav-link.active{color:var(--c-neon);text-shadow:0 0 12px rgba(43,227,198,.55)}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--c-neon),var(--c-accent));box-shadow:0 0 10px rgba(43,227,198,.6)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:8px}
.nav-cta{display:inline-block;padding:10px 22px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;box-shadow:0 8px 20px rgba(15,185,160,.28);transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,185,160,.38)}
.nav-cta:active{transform:translateY(0)}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(43,227,198,.35);place-items:center;gap:5px;flex-direction:column;justify-content:center}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--c-neon);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out}
.hamburger:hover{background:rgba(43,227,198,.12)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(7,23,21,.98);display:flex;flex-direction:column;padding:22px 22px 30px;transform:translateX(100%);visibility:hidden;transition:transform .26s ease-out,visibility .26s ease-out}
.drawer.open{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(43,227,198,.28)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(43,227,198,.35);color:var(--c-neon);font-size:20px;line-height:1;display:grid;place-items:center}
.drawer-close:hover{background:rgba(43,227,198,.12)}
.drawer-links{display:flex;flex-direction:column;margin-top:10px;overflow-y:auto}
.drawer-links a{padding:16px 4px;font-size:17px;font-weight:500;color:var(--dt-1);border-bottom:1px solid rgba(43,227,198,.18);display:flex;align-items:center;justify-content:space-between}
.drawer-links a::after{content:"›";color:var(--c-neon);font-size:20px;line-height:1}
.drawer-links a.active{color:var(--c-neon);text-shadow:0 0 12px rgba(43,227,198,.5)}
.drawer-foot{margin-top:auto;padding-top:22px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(15,185,160,.3)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,185,160,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary-press)}
.btn-ghost:hover{background:rgba(15,185,160,.08);border-color:var(--c-neon);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-neon{background:rgba(7,23,21,.6);border:1px solid rgba(43,227,198,.6);color:var(--c-neon);text-shadow:0 0 10px rgba(43,227,198,.45)}
.btn-neon:hover{background:rgba(43,227,198,.14);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary-press);box-shadow:0 12px 28px rgba(7,23,21,.18)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(7,23,21,.24)}
.btn:disabled{filter:saturate(.5);opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-press);font-size:14px;font-weight:600;padding-bottom:2px;background-image:linear-gradient(90deg,var(--c-primary),var(--c-accent));background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;transition:background-size .24s ease-out,color .2s ease-out}
.link-arrow span{transition:transform .2s ease-out}
.link-arrow:hover{background-size:100% 1px;color:var(--c-primary)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--t-3);flex-wrap:wrap}
.breadcrumb a{color:var(--t-2);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--t-3)}
.breadcrumb .current{color:var(--t-1);font-weight:600}

/* ---------- Hero（分类页压缩版） ---------- */
.hero-cat{position:relative;background:var(--c-dark-900);color:var(--dt-1);overflow:hidden;padding:56px 0 52px}
.hero-cat::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:var(--glow),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:auto,52px 52px,52px 52px}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:48px;align-items:center}
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--c-neon);margin-bottom:14px}
.cat-h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--dt-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;font-size:14px;color:var(--dt-2)}
.hero-trust b{color:var(--dt-1);font-weight:700}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-hero);border:1px solid rgba(43,227,198,.28)}
.hero-badge{position:absolute;background:#fff;color:var(--t-1);border-radius:var(--r-m);padding:12px 16px;box-shadow:var(--shadow-2)}
.hero-badge .num{font-size:22px;font-weight:800;color:var(--c-primary-press);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-badge .lbl{font-size:12px;color:var(--t-3)}
.hero-badge.b1{left:-14px;bottom:26px}
.hero-badge.b2{right:-10px;top:22px;background:rgba(7,23,21,.86);color:var(--dt-1);border:1px solid rgba(43,227,198,.4)}
.hero-badge.b2 .num{color:var(--c-neon)}
.hero-badge.b2 .lbl{color:var(--dt-2)}

/* ---------- 锚点 chips ---------- */
.chip-bar{position:sticky;top:68px;z-index:60;background:rgba(244,250,248,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.chip-scroll{max-width:1180px;margin:0 auto;padding:13px 24px;display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;padding:8px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:14px;color:var(--t-2);transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out,box-shadow .2s ease-out}
.chip:hover{color:var(--c-primary-press);border-color:rgba(15,185,160,.45)}
.chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--shadow-neon)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.sec-desc{margin-top:14px;font-size:16px;color:var(--t-2)}
.intro-lead{font-size:17px;line-height:1.95;color:var(--t-2);max-width:900px}
.intro-lead strong{color:var(--t-1);font-weight:600}

/* ---------- 编号能力大卡 ---------- */
.feature-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:center}
.feature-row + .feature-row{margin-top:56px}
.feature-row.flip .feature-text{order:2}
.feature-row.flip .feature-media{order:1}
.num-badge{display:inline-grid;place-items:center;min-width:46px;height:46px;padding:0 12px;border-radius:var(--r-m);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.card-title{font-size:20px;line-height:1.45;font-weight:600;margin-top:18px}
.feature-text p{margin-top:12px;font-size:15px;color:var(--t-2)}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--t-2)}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}
.feature-text .link-arrow{margin-top:22px}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-l);border:1px solid var(--line);box-shadow:var(--shadow-1)}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;overflow:hidden;transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);opacity:0;transition:opacity .24s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,185,160,.32)}
.card:hover::before{opacity:1}
.card h3{font-size:17px;font-weight:600;line-height:1.5}
.card p{margin-top:10px;font-size:14px;color:var(--t-2);line-height:1.8}
.card-tag{display:inline-block;padding:4px 12px;border-radius:var(--r-pill);background:rgba(15,185,160,.1);color:var(--c-primary-press);font-size:12px;font-weight:600;margin-bottom:14px}
.card-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;font-size:16px;font-weight:800;color:#fff;background:var(--grad-brand);margin-bottom:16px;font-variant-numeric:tabular-nums}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:22px 20px;transition:transform .24s ease-out,box-shadow .24s ease-out}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;display:grid;place-items:center;margin-bottom:14px;font-variant-numeric:tabular-nums}
.step h3{font-size:16px;font-weight:600}
.step p{margin-top:8px;font-size:14px;color:var(--t-2);line-height:1.75}

/* ---------- 数据徽章 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:44px}
.stat{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:22px 22px 20px;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--grad-brand)}
.stat .num{font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.1;color:var(--t-1);font-variant-numeric:tabular-nums}
.stat .num small{font-size:14px;font-weight:600;color:var(--t-3);margin-left:4px}
.stat .lbl{margin-top:6px;font-size:14px;color:var(--t-2)}

/* ---------- 方案对照条 ---------- */
.plan-list{display:flex;flex-direction:column;gap:18px}
.plan-row{position:relative;display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,3.2fr) minmax(0,1fr) auto;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 28px;transition:box-shadow .24s ease-out,transform .24s ease-out}
.plan-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.plan-row.featured{box-shadow:var(--shadow-neon)}
.plan-row.featured::before{content:"";position:absolute;inset:0;border-radius:var(--r-card);padding:2px;background:var(--grad-brand);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none}
.plan-flag{position:absolute;top:0;right:0;padding:6px 16px;border-radius:0 var(--r-card) 0 var(--r-l);background:var(--grad-brand);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em}
.plan-name{font-size:18px;font-weight:700}
.plan-name + p{margin-top:8px;font-size:14px;color:var(--t-2)}
.plan-feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 16px}
.plan-feats li{position:relative;padding-left:20px;font-size:14px;color:var(--t-2)}
.plan-feats li::before{content:"✓";position:absolute;left:0;top:0;color:var(--c-primary);font-weight:700;font-size:13px}
.plan-price{font-size:22px;font-weight:800;color:var(--c-primary-press);font-variant-numeric:tabular-nums;white-space:nowrap}
.plan-price small{display:block;font-size:12px;font-weight:600;color:var(--t-3);margin-top:2px}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 26px;font-size:17px;font-weight:600;text-align:left;color:var(--t-1);transition:background .2s ease-out}
.faq-q:hover{background:rgba(15,185,160,.05)}
.faq-icon{flex-shrink:0;width:24px;height:24px;position:relative;transition:transform .24s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary-press);border-radius:2px}
.faq-icon::before{left:3px;right:3px;top:11px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:11px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 26px 22px;font-size:15px;color:var(--t-2)}

/* ---------- 结尾 CTA + 表单 ---------- */
.cta-wrap{position:relative;background:var(--grad-brand);border-radius:var(--r-hero);padding:52px 44px;color:#fff;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;box-shadow:0 24px 56px rgba(15,185,160,.28)}
.cta-wrap::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.16);pointer-events:none}
.cta-wrap h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;position:relative}
.cta-wrap p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.92);position:relative}
.cta-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:rgba(255,255,255,.9);position:relative}
.form-card{position:relative;background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:0 18px 42px rgba(7,23,21,.18)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--t-2);margin-bottom:7px}
.field .req{color:var(--c-accent);margin-left:3px}
.field input,.field textarea{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:15px;color:var(--t-1);font-family:inherit;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,185,160,.18)}
.field input::placeholder,.field textarea::placeholder{color:var(--t-3)}
.form-hint{font-size:12.5px;color:var(--t-3);margin-top:12px;line-height:1.7}
.back-home{margin-top:34px;text-align:center}
.back-home a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary-press)}
.back-home a:hover{color:var(--c-primary)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-dark-900);color:var(--dt-2);padding:64px 0 26px;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,rgba(43,227,198,.7),rgba(255,122,69,.6))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dt-2);max-width:340px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--dt-2)}
.footer-contact b{color:var(--dt-1);font-weight:600}
.qr-slot{margin-top:18px;width:92px;height:92px;border-radius:var(--r-m);border:1px dashed rgba(43,227,198,.45);display:grid;place-items:center;text-align:center;font-size:12px;color:var(--dt-2);line-height:1.5;background:rgba(43,227,198,.05)}
.footer-col h4{font-size:15px;font-weight:600;color:var(--dt-1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--dt-2);transition:color .2s ease-out}
.footer-col a:hover{color:var(--c-neon)}
.footer-legal{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--dt-2)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s ease-out}
.float-cta.show{opacity:1;visibility:visible;transform:none}
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;padding:9px 16px calc(9px + env(safe-area-inset-bottom));background:rgba(7,23,21,.97);border-top:1px solid rgba(43,227,198,.35)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-inner{height:60px;justify-content:space-between}
  .nav-right{margin-left:auto}
  .chip-bar{top:60px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-cat{padding:44px 0 44px}
  .hero-badge.b1{left:12px;bottom:14px}
  .hero-badge.b2{right:12px;top:12px}
  .section{padding:72px 0}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row.flip .feature-text{order:1}
  .feature-row.flip .feature-media{order:2}
  .feature-row + .feature-row{margin-top:48px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plan-row{grid-template-columns:1fr;gap:18px}
  .plan-feats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-wrap{grid-template-columns:1fr;gap:32px;padding:40px 30px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .nav-inner{padding:0 16px}
  .logo-text{font-size:15px}
  .nav-cta{padding:9px 16px;font-size:14px}
  .chip-scroll{padding:11px 16px}
  .section{padding:56px 0}
  .hero-cat{padding:36px 0 38px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .plan-feats{grid-template-columns:1fr}
  .plan-row{padding:22px 20px}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-legal{flex-direction:column;gap:8px}
  .cta-wrap{padding:32px 22px;border-radius:var(--r-card)}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:74px}
  .hero-cat::before{opacity:.5}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FB9A0;
  --c-primary-press:#0A8E7B;
  --c-neon:#2BE3C6;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFB58C;
  --c-tertiary:#6E5BFF;
  --c-dark-900:#071715;
  --c-dark-800:#0B211E;
  --c-bg:#F4FAF8;
  --c-card:#FFFFFF;
  --t-1:#0A1F1C;
  --t-2:#4A625E;
  --t-3:#8AA09C;
  --line:#E2EDEA;
  --d-t1:#E6F5F1;
  --d-t2:#9DBAB5;
  --grad-brand:linear-gradient(120deg,#0FB9A0 0%,#2BE3C6 42%,#FF7A45 100%);
  --glow:radial-gradient(circle at 82% 16%,rgba(43,227,198,.26),transparent 58%);
  --shadow-1:0 6px 18px rgba(8,40,35,.06);
  --shadow-2:0 14px 36px rgba(8,40,35,.10);
  --shadow-neon:0 0 0 1px rgba(43,227,198,.32),0 12px 30px rgba(15,185,160,.22);
  --r-s:8px; --r-m:14px; --r-l:20px; --r-card:24px; --r-hero:28px; --r-pill:999px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--t-1);background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.eyebrow{display:inline-block;font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;font-weight:600;}
.lead{font-size:17px;line-height:1.9;color:var(--t-2);}
.muted{font-size:14px;line-height:1.6;color:var(--t-3);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,23,21,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(43,227,198,.65),rgba(255,122,69,.65));
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;height:68px;
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:#fff;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(15,185,160,.35);
}
.logo-text{font-size:15px;font-weight:600;color:#EAF7F4;letter-spacing:.01em;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--c-neon);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:15px;font-weight:500;color:#C9DED9;transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--c-neon);background:rgba(43,227,198,.08);}
.nav-link.active{color:var(--c-neon);text-shadow:0 0 12px rgba(43,227,198,.55);}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-neon),var(--c-accent));
  box-shadow:0 0 10px rgba(43,227,198,.7);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 22px rgba(15,185,160,.28);
  transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out;
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,185,160,.38);}
.nav-cta:active{transform:translateY(0);}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(43,227,198,.35);flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.hamburger span{display:block;width:18px;height:1.6px;background:var(--c-neon);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}
.nav-drawer{
  position:fixed;inset:60px 0 0 0;z-index:79;background:rgba(7,23,21,.98);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .2s ease-out,transform .2s ease-out;
  padding:20px 24px 120px;overflow-y:auto;
}
.nav-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-link{display:block;padding:16px 4px;font-size:17px;font-weight:500;color:#C9DED9;border-bottom:1px solid rgba(43,227,198,.16);}
.drawer-link:hover,.drawer-link.active{color:var(--c-neon);}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 24px calc(14px + env(safe-area-inset-bottom));background:rgba(7,23,21,.98);border-top:1px solid rgba(43,227,198,.24);}
.drawer-foot a{display:block;text-align:center;padding:13px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-weight:600;}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .hamburger{display:flex;}
  .nav-inner{height:60px;justify-content:space-between;}
  .nav-right{margin-left:auto;}
}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:14px;color:var(--d-t2);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--d-t2);transition:color .2s ease-out;}
.breadcrumb a:hover{color:var(--c-neon);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#EAF7F4;font-weight:600;}

/* ============ 分类 Hero（居中版） ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--c-dark-900);color:var(--d-t1);}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;}
.cat-hero::before{content:"";position:absolute;inset:0;background:var(--glow);}
.cat-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero-inner{position:relative;z-index:2;text-align:center;padding:56px 0 62px;display:flex;flex-direction:column;align-items:center;gap:18px;}
.cat-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.02em;color:#fff;max-width:900px;}
.cat-hero h1 span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero-sub{max-width:720px;font-size:17px;line-height:1.9;color:var(--d-t2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:6px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;font-size:14px;color:var(--d-t2);margin-top:8px;}
.hero-trust b{color:var(--c-neon);font-weight:600;font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:12px 26px;transition:transform .2s ease-out,filter .2s ease-out,background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(15,185,160,.30);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,185,160,.4);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(15,185,160,.08);border-color:var(--c-neon);}
.btn-ghost:active{transform:translateY(1px);}
.btn-white{background:#fff;color:var(--c-primary-press);box-shadow:0 10px 26px rgba(4,30,26,.18);}
.btn-white:hover{transform:translateY(-2px);color:var(--c-primary);}
.btn-neon{background:rgba(7,23,21,.6);border:1px solid var(--c-neon);color:var(--c-neon);text-shadow:0 0 10px rgba(43,227,198,.5);}
.btn-neon:hover{background:rgba(43,227,198,.12);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(.6);pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.link-arrow svg{transition:transform .2s ease-out;}
.link-arrow:hover svg{transform:translateX(4px);}
.link-arrow::after{content:"";}

/* ============ 锚点 chips ============ */
.chips-bar{position:sticky;top:68px;z-index:60;background:rgba(244,250,248,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.chips{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:14px;color:var(--t-2);transition:all .2s ease-out;white-space:nowrap;}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(15,185,160,.28);}
@media (max-width:1023px){.chips-bar{top:60px;}}

/* ============ 导语 ============ */
.intro-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 32px;box-shadow:var(--shadow-1);max-width:960px;}
.intro-card p{font-size:16px;line-height:1.95;color:var(--t-2);}

/* ============ 通用卡片栅格 ============ */
.grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:1023px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{position:relative;background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);transition:transform .24s ease-out,box-shadow .24s ease-out;overflow:hidden;}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);opacity:0;transition:opacity .24s ease-out;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:hover::before{opacity:1;}

.scene-card{padding:0;display:flex;flex-direction:column;}
.scene-card .thumb{aspect-ratio:16/9;background:#E6F2EF;overflow:hidden;}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.scene-card:hover .thumb img{transform:scale(1.04);}
.scene-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-body h3{font-size:19px;}
.scene-body p{font-size:14.5px;line-height:1.8;color:var(--t-2);}
.scene-card .link-arrow{margin-top:auto;}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);background:rgba(15,185,160,.10);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.02em;align-self:flex-start;}
.tag--orange{background:rgba(255,122,69,.12);color:#D9541F;}

/* ============ 编号步骤 ============ */
.steps{counter-reset:st;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:26px 24px;box-shadow:var(--shadow-1);position:relative;transition:transform .24s ease-out,box-shadow .24s ease-out;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-num{width:44px;height:44px;border-radius:14px;background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;margin-bottom:16px;box-shadow:0 8px 18px rgba(15,185,160,.26);}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;line-height:1.8;color:var(--t-2);}

/* ============ 数据徽章 ============ */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:22px 24px;position:relative;overflow:hidden;box-shadow:var(--shadow-1);}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);}
.stat b{display:block;font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--t-1);}
.stat b span{font-size:14px;font-weight:500;color:var(--t-3);margin-left:4px;}
.stat p{font-size:14px;color:var(--t-2);margin-top:6px;}

/* ============ 场景演示条 ============ */
.demo-band{background:var(--c-dark-900);border-radius:var(--r-hero);padding:52px 44px;color:var(--d-t1);position:relative;overflow:hidden;}
.demo-band::before{content:"";position:absolute;inset:0;background:var(--glow);}
.demo-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.demo-inner h2{color:#fff;}
.demo-inner p{color:var(--d-t2);font-size:16px;line-height:1.9;}
.demo-list li{display:flex;gap:10px;align-items:flex-start;color:var(--d-t2);font-size:15px;margin-top:12px;}
.demo-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-neon);margin-top:9px;flex:0 0 auto;box-shadow:0 0 10px rgba(43,227,198,.7);}
.demo-shot{border-radius:var(--r-l);overflow:hidden;border:1px solid rgba(43,227,198,.28);box-shadow:var(--shadow-neon);}
.demo-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
@media (max-width:1023px){.demo-inner{grid-template-columns:1fr;gap:28px;} .demo-band{padding:36px 24px;}}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;font-size:16.5px;font-weight:600;text-align:left;transition:background .2s ease-out;}
.faq-q:hover{background:rgba(15,185,160,.05);}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:18px;line-height:1;transition:transform .24s ease-out,background .2s ease-out,color .2s ease-out;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad-brand);color:#fff;border-color:transparent;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a p{padding:0 26px 22px;font-size:15px;line-height:1.9;color:var(--t-2);}

/* ============ CTA 区 ============ */
.cta-band{border-radius:var(--r-hero);padding:56px 44px;text-align:center;background:var(--grad-brand);color:#fff;box-shadow:0 18px 46px rgba(15,185,160,.28);}
.cta-band h2{color:#fff;}
.cta-band p{margin:14px auto 26px;max-width:640px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.92);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
@media (max-width:639px){.cta-band{padding:40px 22px;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark-900);color:var(--d-t2);position:relative;padding:64px 0 28px;margin-top:72px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(43,227,198,.65),rgba(255,122,69,.65));}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:var(--d-t2);max-width:340px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:16px;font-size:14px;color:var(--d-t2);}
.footer-contact b{color:#EAF7F4;font-weight:600;}
.qr-slot{margin-top:18px;width:96px;height:96px;border-radius:14px;border:1px dashed rgba(43,227,198,.4);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;line-height:1.5;color:var(--d-t2);}
.footer-col h4{color:#EAF7F4;font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:var(--d-t2);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--c-neon);}
.footer-legal{margin-top:44px;padding-top:22px;border-top:1px solid rgba(43,227,198,.16);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#7A9691;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 14px 32px rgba(15,185,160,.36);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out,filter .2s ease-out;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-3px);}
.float-cta.is-top{background:var(--c-dark-800);border:1px solid var(--c-neon);color:var(--c-neon);text-shadow:0 0 10px rgba(43,227,198,.5);}
@media (max-width:639px){
  .float-cta{
    left:16px;right:16px;bottom:calc(10px + env(safe-area-inset-bottom));
    justify-content:center;border-radius:16px;padding:14px 18px;
  }
  .cat-hero::after{opacity:.28;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FB9A0;
  --c-primary-press:#0A8E7B;
  --c-neon:#2BE3C6;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFB58C;
  --c-tertiary:#6E5BFF;
  --c-dark-900:#071715;
  --c-dark-800:#0B211E;
  --c-bg:#F4FAF8;
  --c-card:#FFFFFF;
  --t-main:#0A1F1C;
  --t-sub:#4A625E;
  --t-weak:#8AA09C;
  --line:#E2EDEA;
  --t-dark:#E6F5F1;
  --t-dark-sub:#9DBAB5;
  --grad-brand:linear-gradient(120deg,#0FB9A0 0%,#2BE3C6 42%,#FF7A45 100%);
  --grad-line:linear-gradient(90deg,rgba(15,185,160,.9),rgba(255,122,69,.7));
  --glow:radial-gradient(circle at 82% 16%,rgba(43,227,198,.26),transparent 58%);
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-card:24px;--r-hero:28px;--r-img:18px;--r-pill:999px;
  --shadow-1:0 6px 18px rgba(8,40,35,.06);
  --shadow-2:0 14px 36px rgba(8,40,35,.10);
  --shadow-neon:0 0 0 1px rgba(43,227,198,.32),0 12px 30px rgba(15,185,160,.22);
  --nav-h:68px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--t-main);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,23,21,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(43,227,198,.6),rgba(255,122,69,.6)) 1;
}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 24px;height:var(--nav-h);display:flex;align-items:center;gap:28px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#062B24;font-weight:800;font-size:13px;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(15,185,160,.35);
}
.logo-text{color:#EAF7F4;font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--c-neon);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:#C9DED9;
  border-radius:var(--r-sm);transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--c-neon);background:rgba(43,227,198,.07);}
.nav-link.active{color:var(--c-neon);text-shadow:0 0 12px rgba(43,227,198,.55);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-neon),var(--c-accent));
  box-shadow:0 0 10px rgba(43,227,198,.7);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 22px rgba(15,185,160,.3);
  transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out;
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,185,160,.4);}
.nav-cta:active{transform:translateY(0);}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid rgba(43,227,198,.35);border-radius:12px;
  background:transparent;cursor:pointer;padding:0;place-items:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-neon);margin:3px auto;transition:transform .2s ease-out,opacity .2s ease-out;}
.hamburger:hover{background:rgba(43,227,198,.12);}
body.no-scroll{overflow:hidden;}
.drawer{
  position:fixed;inset:var(--nav-h) 0 0 0;z-index:55;
  background:rgba(7,23,21,.98);backdrop-filter:blur(10px);
  padding:26px 22px 96px;display:none;flex-direction:column;gap:4px;overflow-y:auto;
}
.drawer.open{display:flex;}
.drawer a{
  padding:15px 4px;color:#DCEFEB;font-size:17px;font-weight:500;
  border-bottom:1px solid rgba(43,227,198,.16);
}
.drawer a:hover,.drawer a.active{color:var(--c-neon);}
.drawer-foot{margin-top:auto;padding-top:22px;}

/* ============ 通用 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:12px;
}
.h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;}
.lead{color:var(--t-sub);font-size:16px;line-height:1.85;}
.muted{color:var(--t-weak);font-size:14px;line-height:1.6;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.sec-head .lead{max-width:620px;margin-top:10px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;
}
.link-arrow i{font-style:normal;transition:transform .2s ease-out;}
.link-arrow:hover i{transform:translateX(4px);}
.link-arrow:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);padding:12px 26px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(15,185,160,.3);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(15,185,160,.35);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:rgba(15,185,160,.08);border-color:var(--c-neon);}
.btn-neon{background:rgba(7,23,21,.7);color:var(--c-neon);box-shadow:inset 0 0 0 1px rgba(43,227,198,.5);}
.btn-neon:hover{background:rgba(43,227,198,.12);text-shadow:0 0 10px rgba(43,227,198,.6);}
.btn[disabled]{filter:saturate(.6);opacity:.72;cursor:not-allowed;transform:none;}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(15,185,160,.1);color:var(--c-primary);}
.badge-accent{background:rgba(255,122,69,.12);color:#D9541F;}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:14px;color:var(--t-weak);}
.crumb a{color:var(--t-sub);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{margin:0 8px;color:#BFD2CE;}
.crumb b{color:var(--t-main);font-weight:600;}

/* ============ Hero（全宽居中版） ============ */
.hero-c{
  position:relative;overflow:hidden;background:var(--c-dark-900);
  border-radius:0 0 var(--r-hero) var(--r-hero);
  padding:74px 0 66px;margin-top:18px;
}
.hero-c::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,23,21,.9),rgba(7,23,21,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.9;
}
.hero-c::after{
  content:"";position:absolute;inset:0;background:var(--glow);
  background-image:var(--glow),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:100% 100%,48px 48px,48px 48px;
  opacity:.9;pointer-events:none;
}
.hero-c .inner{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto;}
.hero-c .eyebrow{color:var(--c-neon);}
.hero-c h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;color:#fff;}
.hero-c .sub{margin-top:18px;color:#BFD8D3;font-size:17px;line-height:1.8;}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px;}
.hero-meta .stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(43,227,198,.28);
  border-radius:var(--r-md);padding:10px 18px;text-align:center;min-width:132px;
}
.hero-meta .stat b{display:block;font-size:22px;font-weight:800;color:var(--c-neon);line-height:1.3;}
.hero-meta .stat span{font-size:13px;color:var(--t-dark-sub);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}

/* ============ 锚点 chips ============ */
.chips-bar{
  position:sticky;top:var(--nav-h);z-index:40;
  background:rgba(244,250,248,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.chips{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--t-sub);
  font-size:14px;font-weight:500;transition:all .2s ease-out;
}
.chip:hover{border-color:var(--c-neon);color:var(--c-primary);}
.chip.active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(15,185,160,.28);}

/* ============ 导语 ============ */
.intro-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--shadow-1);border-left:3px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-line);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.intro-box p{color:var(--t-sub);font-size:16.5px;line-height:1.9;}

/* ============ 栏目卡网格（3 列紧凑） ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.col-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
  display:flex;flex-direction:column;gap:12px;
}
.col-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-line);opacity:0;transition:opacity .22s ease-out;
}
.col-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.col-card:hover::before{opacity:1;}
.col-card .cover{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:#E7F2EF;}
.col-card .cover img{width:100%;height:100%;object-fit:cover;}
.col-card h3{font-size:17px;font-weight:600;line-height:1.45;}
.col-card p{font-size:14px;color:var(--t-sub);line-height:1.75;}
.col-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-weak);border-top:1px dashed var(--line);padding-top:12px;margin-top:auto;}

/* ============ 更新流程（编号步骤条） ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.flow::before{
  content:"";position:absolute;left:24px;right:24px;top:26px;height:1px;
  background:linear-gradient(90deg,rgba(15,185,160,.5),rgba(255,122,69,.35));z-index:0;
}
.flow-item{position:relative;z-index:1;}
.flow-num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 10px 24px rgba(15,185,160,.28);margin-bottom:16px;
}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--t-sub);line-height:1.75;}
.flow-item ul{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.flow-item li{position:relative;padding-left:16px;font-size:13.5px;color:var(--t-weak);}
.flow-item li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}

/* ============ 数据徽章 + 评价 ============ */
.evidence{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 20px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-line);}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat-card b{display:block;font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.15;color:var(--t-main);}
.stat-card b i{font-style:normal;font-size:14px;font-weight:600;color:var(--t-weak);margin-left:4px;}
.stat-card span{display:block;margin-top:6px;font-size:14px;color:var(--t-sub);}
.quote-card{
  background:var(--c-dark-800);border-radius:var(--r-card);padding:30px;
  position:relative;overflow:hidden;box-shadow:var(--shadow-2);display:flex;flex-direction:column;gap:18px;
}
.quote-card::after{content:"";position:absolute;inset:0;background:var(--glow);pointer-events:none;}
.quote-card .mark{font-size:54px;line-height:1;color:var(--c-neon);opacity:.55;font-family:Georgia,serif;}
.quote-card blockquote{margin:0;color:var(--t-dark);font-size:16.5px;line-height:1.9;position:relative;z-index:1;}
.q-person{display:flex;align-items:center;gap:14px;position:relative;z-index:1;margin-top:auto;}
.q-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;background:rgba(43,227,198,.2);flex:0 0 auto;}
.q-avatar img{width:100%;height:100%;object-fit:cover;}
.q-person strong{display:block;font-size:14px;color:#fff;font-weight:600;}
.q-person em{font-style:normal;font-size:13px;color:var(--t-dark-sub);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:16.5px;font-weight:600;transition:background .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(15,185,160,.05);}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid rgba(15,185,160,.4);color:var(--c-primary);font-size:16px;font-weight:700;
  transition:transform .24s ease,background .24s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:rgba(15,185,160,.12);}
.faq-body{padding:0 26px 22px;color:var(--t-sub);font-size:15.5px;line-height:1.9;}

/* ============ 咨询表单 / CTA ============ */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-hero);padding:46px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  box-shadow:0 20px 46px rgba(15,185,160,.28);
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;margin-top:10px;max-width:560px;}
.cta-band .btn-white{background:#fff;color:#0A8E7B;box-shadow:0 10px 24px rgba(0,0,0,.14);}
.cta-band .btn-white:hover{filter:brightness(1.02);transform:translateY(-2px);}

.consult{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-1);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field label em{font-style:normal;color:var(--c-primary);margin-left:4px;}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;
  font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{min-height:110px;resize:vertical;}
.field input:hover,.field textarea:hover,.field select:hover{border-color:#BEDDD6;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,185,160,.18);
}
.form-note{font-size:13px;color:var(--t-weak);margin-top:14px;}
.alert-warm{
  background:rgba(255,122,69,.1);border:1px solid rgba(255,122,69,.35);color:#B7440F;
  border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:18px;
}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;
  display:flex;gap:14px;align-items:flex-start;box-shadow:var(--shadow-1);
}
.side-item .dot{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;display:grid;place-items:center;
  background:rgba(15,185,160,.12);color:var(--c-primary);font-weight:800;font-size:13px;
}
.side-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px;}
.side-item p{font-size:14px;color:var(--t-sub);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark-900);color:var(--t-dark-sub);margin-top:12px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding:64px 0 34px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:var(--t-dark-sub);max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;}
.footer-contact b{color:var(--t-dark);font-weight:600;}
.qr-slot{
  margin-top:18px;width:92px;height:92px;border-radius:14px;border:1px dashed rgba(43,227,198,.45);
  display:grid;place-items:center;text-align:center;font-size:12px;color:var(--t-dark-sub);line-height:1.5;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:var(--t-dark-sub);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--c-neon);}
.footer-legal{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#7FA09B;
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;font-size:15px;
  box-shadow:var(--shadow-neon);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{filter:brightness(1.06);}
.mobile-cta{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none;}
  .hamburger{display:grid;}
  .nav-cta{display:none;}
  .section{padding:72px 0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);gap:26px;}
  .flow::before{display:none;}
  .evidence{grid-template-columns:1fr;}
  .consult{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 28px;}
  .hero-c{padding:58px 0 54px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .nav-inner{padding:0 16px;height:60px;}
  :root{--nav-h:60px;}
  .drawer{inset:60px 0 0 0;}
  .section{padding:56px 0;}
  .grid-3{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .hero-c{border-radius:0 0 20px 20px;}
  .hero-c .sub{font-size:15.5px;}
  .hero-meta .stat{flex:1 1 calc(50% - 8px);min-width:0;padding:10px 12px;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .intro-box{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{display:none;}
  .mobile-cta{
    display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(7,23,21,.96);border-top:1px solid rgba(43,227,198,.35);
    padding:9px 14px calc(9px + env(safe-area-inset-bottom));
  }
  .mobile-cta a{text-align:center;padding:11px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:600;}
  .mobile-cta .m-main{background:var(--grad-brand);color:#fff;}
  .mobile-cta .m-sub{box-shadow:inset 0 0 0 1px rgba(43,227,198,.55);color:var(--c-neon);}
  body{padding-bottom:76px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0FB9A0;
  --c-primary-press:#0A8E7B;
  --c-neon:#2BE3C6;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFB58C;
  --c-tertiary:#6E5BFF;
  --c-dark-900:#071715;
  --c-dark-800:#0B211E;
  --c-bg:#F4FAF8;
  --c-card:#FFFFFF;
  --c-ink:#0A1F1C;
  --c-ink-2:#4A625E;
  --c-ink-3:#8AA09C;
  --c-line:#E2EDEA;
  --c-dark-text:#E6F5F1;
  --c-dark-text-2:#9DBAB5;
  --grad-brand:linear-gradient(120deg,#0FB9A0 0%,#2BE3C6 42%,#FF7A45 100%);
  --glow:radial-gradient(circle at 82% 16%,rgba(43,227,198,.26),transparent 58%);
  --shadow-1:0 6px 18px rgba(8,40,35,.06);
  --shadow-2:0 14px 36px rgba(8,40,35,.10);
  --shadow-neon:0 0 0 1px rgba(43,227,198,.32),0 12px 30px rgba(15,185,160,.22);
  --r-s:8px;--r-m:14px;--r-l:20px;--r-card:24px;--r-hero:28px;--r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{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(--c-primary);outline-offset:2px}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,23,21,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.site-header::after{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(15,185,160,.6),rgba(43,227,198,.6),rgba(255,122,69,.6))}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--grad-brand);color:#04211D;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;letter-spacing:.5px}
.logo-text{color:#E6F5F1;font-size:17px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-neon)}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#C9DED9;padding:6px 2px;transition:color .2s ease-out}
.nav-link:hover{color:var(--c-neon)}
.nav-link.active{color:var(--c-neon);text-shadow:0 0 12px rgba(43,227,198,.55)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--c-neon),var(--c-accent));box-shadow:0 0 12px rgba(43,227,198,.55)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:8px}
.nav-cta{display:inline-flex;align-items:center;padding:10px 22px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;box-shadow:0 8px 20px rgba(15,185,160,.28);transition:transform .2s ease-out,filter .2s ease-out}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0)}
.hamburger{display:none;width:42px;height:42px;border:1px solid rgba(43,227,198,.35);border-radius:12px;background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:background .2s ease-out}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--c-neon);border-radius:2px}
.hamburger:hover{background:rgba(43,227,198,.12)}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:rgba(7,23,21,.98);padding:80px 24px 90px;transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity .24s ease-out,transform .24s ease-out;overflow-y:auto}
.mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-drawer a{display:block;color:#DBF0EB;font-size:17px;font-weight:500;padding:16px 4px;border-bottom:1px solid rgba(43,227,198,.16)}
.mobile-drawer a:hover{color:var(--c-neon)}
.mobile-drawer a.active{color:var(--c-neon)}
.drawer-close{position:absolute;top:16px;right:20px;width:42px;height:42px;border-radius:12px;border:1px solid rgba(43,227,198,.35);background:transparent;color:var(--c-neon);font-size:20px;cursor:pointer}
.drawer-cta{margin-top:26px;display:block;text-align:center;padding:14px;border-radius:var(--r-pill)!important;background:var(--grad-brand);color:#fff!important;font-weight:600;border-bottom:none!important}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;font-size:14px;color:var(--c-ink-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:#B9CFCB}
.breadcrumb a{color:var(--c-ink-2);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--c-ink);font-weight:600}

/* ============ 分类 Hero（居中压缩版） ============ */
.page-hero{position:relative;margin:18px 0 0;border-radius:var(--r-hero);overflow:hidden;background:var(--c-dark-900);color:var(--c-dark-text);padding:64px 32px 56px;text-align:center}
.page-hero::before{content:"";position:absolute;inset:0;background-image:var(--glow),url("/assets/images/backpic/back-3.webp");background-size:cover,cover;background-position:center,center;opacity:.5}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;opacity:.5}
.hero-inner{position:relative;z-index:2;max-width:820px;margin:0 auto}
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--c-neon);text-transform:uppercase}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800;margin:16px 0 0;color:#fff}
.page-hero .hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--c-dark-text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.support-search{position:relative;z-index:2;display:flex;gap:10px;max-width:620px;margin:30px auto 0;background:rgba(255,255,255,.06);border:1px solid rgba(43,227,198,.3);border-radius:var(--r-pill);padding:8px 8px 8px 20px}
.support-search input{flex:1;background:transparent;border:none;color:#E6F5F1;font-size:15px;outline:none}
.support-search input::placeholder{color:#7E9C97}
.support-search button{flex-shrink:0;padding:10px 22px;border:none;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-weight:600;cursor:pointer;transition:filter .2s ease-out,transform .2s ease-out}
.support-search button:hover{filter:brightness(1.06);transform:translateY(-2px)}
.hero-tags{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.hero-tags span{font-size:13px;color:#A8C6C1;border:1px solid rgba(43,227,198,.28);border-radius:var(--r-pill);padding:5px 14px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;line-height:1.6}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(15,185,160,.3)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,185,160,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:rgba(15,185,160,.08);border-color:var(--c-neon);color:var(--c-primary-press)}
.btn-neon{background:rgba(43,227,198,.06);color:var(--c-neon);border:1px solid rgba(43,227,198,.55);text-shadow:0 0 8px rgba(43,227,198,.45)}
.btn-neon:hover{background:rgba(43,227,198,.14)}
.btn-white{background:#fff;color:var(--c-primary-press);box-shadow:0 10px 24px rgba(4,33,29,.18)}
.btn-white:hover{transform:translateY(-2px);filter:brightness(1.03)}
.btn[disabled],.btn.is-disabled{filter:saturate(40%);opacity:.7;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px}
.text-link span{transition:transform .2s ease-out}
.text-link:hover span{transform:translateX(4px)}
.text-link::after{content:"";display:block;position:absolute}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;margin-top:12px}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:15px}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:transform .24s ease-out,box-shadow .24s ease-out}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);opacity:0;transition:opacity .24s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card:hover::before{opacity:1}

/* 数据徽章条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-40px;position:relative;z-index:5}
.stat-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand)}
.stat-card .val{font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.1;color:var(--c-ink);font-variant-numeric:tabular-nums}
.stat-card .val small{font-size:14px;font-weight:600;color:var(--c-ink-3);margin-left:4px}
.stat-card .lab{margin-top:8px;font-size:14px;color:var(--c-ink-2)}

/* 快捷入口 */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.entry{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;height:100%}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,185,160,.4)}
.entry .ico{width:44px;height:44px;border-radius:14px;background:rgba(15,185,160,.12);color:var(--c-primary-press);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:16px}
.entry h3{font-size:17px;font-weight:600}
.entry p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.entry .more{margin-top:14px;font-size:14px;font-weight:600;color:var(--c-primary)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:none;padding:22px 26px;font-size:16.5px;font-weight:600;cursor:pointer;transition:background .2s ease-out}
.faq-q:hover{background:rgba(15,185,160,.05)}
.faq-q .sign{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .24s ease-out}
.faq-item.open .faq-q .sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);position:relative;transition:transform .24s ease-out,box-shadow .24s ease-out}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step .no{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:800;font-size:14px;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:600}
.step p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}

/* 文档卡片网格（紧凑 3 列） */
.doc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.doc-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .24s ease-out,box-shadow .24s ease-out}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.doc-cover{position:relative;aspect-ratio:16/9;background:#E7F3F0;overflow:hidden}
.doc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.doc-card:hover .doc-cover img{transform:scale(1.04)}
.doc-cover .tag{position:absolute;left:14px;top:14px;background:rgba(244,250,248,.94);color:var(--c-primary-press);font-size:12px;font-weight:600; padding:4px 12px;border-radius:var(--r-pill)}
.doc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.doc-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.doc-body p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.doc-meta{margin-top:auto;padding-top:16px;display:flex;gap:14px;font-size:13px;color:var(--c-ink-3)}

/* 深色时效面板 */
.dark-panel{position:relative;background:var(--c-dark-900);color:var(--c-dark-text);border-radius:var(--r-hero);padding:56px 32px;overflow:hidden}
.dark-panel::before{content:"";position:absolute;inset:0;background-image:var(--glow),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:cover,56px 56px,56px 56px;opacity:.9}
.dark-panel>*{position:relative;z-index:2}
.chan-row{display:grid;grid-template-columns:1.1fr 1.6fr .8fr 150px;align-items:center;gap:20px;padding:22px 24px;border-radius:var(--r-l);background:rgba(255,255,255,.035);border:1px solid rgba(43,227,198,.16);margin-top:14px;transition:background .22s ease-out,border-color .22s ease-out}
.chan-row:hover{background:rgba(43,227,198,.08);border-color:rgba(43,227,198,.35)}
.chan-row .name{font-size:16px;font-weight:600;color:#fff}
.chan-row .desc{font-size:14px;color:var(--c-dark-text-2)}
.chan-row .time{font-size:20px;font-weight:800;color:var(--c-neon);font-variant-numeric:tabular-nums}
.chan-row .time small{font-size:12px;color:var(--c-dark-text-2);font-weight:600;margin-left:3px}
.status-bar{height:4px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden}
.status-bar i{display:block;height:100%;border-radius:4px;background:var(--grad-brand)}

/* CTA */
.cta-band{position:relative;background:var(--grad-brand);border-radius:var(--r-hero);padding:56px 32px;color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 110%,rgba(7,23,21,.35),transparent 60%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.92)}
.form-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:0 20px 44px rgba(4,33,29,.18)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field label .req{color:var(--c-accent);margin-left:4px}
.field input,.field textarea{width:100%;background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:12px 14px;font-size:15px;color:var(--c-ink);transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field input::placeholder,.field textarea::placeholder{color:#A7BCB8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,185,160,.16)}
.field textarea{min-height:96px;resize:vertical}
.form-hint{font-size:13px;color:var(--c-ink-3);margin-top:4px}
.form-alert{display:none;background:rgba(255,122,69,.12);border-left:3px solid var(--c-accent);color:#9B4520;font-size:13.5px;border-radius:10px;padding:10px 14px;margin-bottom:14px}
.form-alert.show{display:block}
.back-home{margin-top:26px;font-size:14px;color:rgba(255,255,255,.92)}
.back-home a{text-decoration:underline;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark-900);color:var(--c-dark-text-2);border-top:1px solid transparent;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(15,185,160,.6),rgba(43,227,198,.6),rgba(255,122,69,.6))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#E6F5F1;font-size:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-dark-text-2);max-width:340px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--c-dark-text-2)}
.footer-contact b{color:#DBF0EB;font-weight:600}
.qr-slot{margin-top:18px;width:88px;height:88px;border:1px dashed rgba(43,227,198,.4);border-radius:14px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.5;color:var(--c-neon)}
.footer-col h4{font-size:15px;font-weight:600;color:#E6F5F1;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--c-dark-text-2);transition:color .2s ease-out}
.footer-col a:hover{color:var(--c-neon)}
.footer-legal{border-top:1px solid rgba(255,255,255,.08);padding:22px 0 34px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7E9C97}

/* ============ 浮动 CTA ============ */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-weight:600;box-shadow:var(--shadow-neon);opacity:0;transform:translateY(12px) scale(.97);pointer-events:none;transition:opacity .24s ease-out,transform .24s ease-out}
.float-cta.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.float-cta:hover{filter:brightness(1.06)}
.mobile-bar{display:none}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-right{margin-left:auto}
  .hamburger{display:flex}
  .section{padding:72px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:-28px}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .doc-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .chan-row{grid-template-columns:1fr 1fr;row-gap:10px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .nav-inner{height:60px;padding:0 16px;gap:12px}
  .nav-cta{display:none}
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;font-size:12px}
  .section{padding:56px 0}
  .page-hero{padding:44px 20px 40px;border-radius:22px;margin-top:12px}
  .page-hero::before{opacity:.3}
  .support-search{flex-direction:column;border-radius:var(--r-l);padding:14px}
  .support-search button{width:100%}
  .stat-strip{grid-template-columns:1fr;margin-top:-20px}
  .entry-grid,.doc-grid,.steps{grid-template-columns:1fr}
  .dark-panel{padding:40px 20px;border-radius:22px}
  .chan-row{grid-template-columns:1fr}
  .cta-band{padding:40px 20px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .float-cta{display:none}
  .mobile-bar{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:80;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:rgba(7,23,21,.96);backdrop-filter:blur(12px);border-top:1px solid rgba(43,227,198,.28)}
  .mobile-bar .btn{flex:1;padding:12px 10px;font-size:14px}
  body{padding-bottom:70px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}