/* roulang page: index */
:root{
  --brand:#00C2A8;
  --brand-dark:#00A38E;
  --brand-soft:#E4FBF6;
  --orange:#FF7A45;
  --yellow:#FFC53D;
  --violet:#6C5CE7;
  --ink:#12161A;
  --ink-2:#6B7580;
  --line:#E3E7E3;
  --card:#FFFFFF;
  --bg:#F6F7F5;
  --radius-s:12px;
  --radius:16px;
  --radius-l:18px;
  --radius-xl:24px;
  --shadow:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --shadow-hover:0 12px 32px rgba(18,22,26,.12);
  --wrap:1200px;
  --t:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand-dark)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 公告条 ============ */
.topbar{
  background:var(--brand-soft);
  color:#0B5D51;
  font-size:13px;
  line-height:36px;
  position:relative;
}
.topbar .container{display:flex;align-items:center;gap:12px;padding-right:48px}
.topbar strong{color:var(--brand-dark)}
.topbar-close{
  position:absolute;right:18px;top:0;width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#0B5D51;opacity:.7;border-radius:8px;transition:var(--t);
}
.topbar-close:hover{opacity:1;background:rgba(0,194,168,.15)}
.topbar.is-hidden{display:none}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,22,26,.06)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;flex:0 0 auto}
.logo-mark{width:10px;height:26px;border-radius:4px;background:linear-gradient(180deg,var(--brand),var(--brand-dark));flex:0 0 auto}
.nav-split{width:1px;height:22px;background:var(--line);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:#3E4750;
  transition:var(--t);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-links a.active{color:var(--ink);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:6px;height:40px;padding:0 6px 0 12px;
  background:#F2F4F3;border:1px solid transparent;border-radius:999px;transition:var(--t);
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,194,168,.16)}
.nav-search input{width:132px;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:#9AA3AC}
.nav-search button{
  width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;transition:var(--t);
}
.nav-search button:hover{background:var(--brand-dark)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--t)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(0,194,168,.28)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#008E7C}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-ghost:active{background:var(--brand-soft)}
.btn-dark{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.3)}
.btn-dark:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:transparent}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;font-size:15px;
}
.btn-link::after{content:"→";transition:transform var(--t)}
.btn-link:hover::after{transform:translateX(3px)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:#fff;z-index:120;
  transform:translateX(102%);transition:transform 220ms ease-out;
  box-shadow:-12px 0 40px rgba(18,22,26,.16);padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head strong{font-size:16px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:20px}
.drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer nav a{padding:13px 14px;border-radius:12px;font-size:16px;background:#F7F9F8;transition:var(--t)}
.drawer nav a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700}
.drawer .btn{width:100%}
.mask{
  position:fixed;inset:0;background:rgba(18,22,26,.42);z-index:110;opacity:0;pointer-events:none;transition:opacity 220ms;
}
.mask.is-open{opacity:1;pointer-events:auto}

/* ============ Hero ============ */
.hero{margin-top:24px}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;
  border-radius:var(--radius-xl);overflow:hidden;background:#fff;
  box-shadow:var(--shadow);min-height:560px;
}
.hero-left{
  padding:56px 48px 48px;display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(160deg,#FFFFFF 0%,#F2FDFA 55%,var(--brand-soft) 100%);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #C9F0E8;
  font-size:13px;color:#0B7F6E;font-weight:600;margin-bottom:20px;
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:block}
.hero h1{font-size:clamp(30px,4.1vw,48px);font-weight:800;line-height:1.16;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--brand-dark)}
.hero-sub{margin-top:20px;font-size:17px;color:#48525B;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px;
  padding-top:26px;border-top:1px solid rgba(0,163,142,.18);
}
.hero-stats .num{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.hero-stats .num small{font-size:14px;font-weight:700;color:var(--brand-dark);margin-left:2px}
.hero-stats span{display:block;font-size:13px;color:var(--ink-2);margin-top:6px}

.hero-right{
  position:relative;background:#12161A;overflow:hidden;padding:44px 36px;
  display:flex;align-items:center;justify-content:center;
}
.hero-right::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.07;
}
.hero-right::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,194,168,.35),transparent 68%);
}
.phone-stack{position:relative;z-index:2;width:100%;height:100%;min-height:430px}
.phone{
  position:absolute;border-radius:var(--radius-l);overflow:hidden;box-shadow:0 20px 46px rgba(0,0,0,.45);
  background:#1E242B;
}
.phone img{width:100%;height:100%;object-fit:cover}
.phone-main{width:216px;aspect-ratio:9/16;left:6%;top:50%;transform:translateY(-50%);z-index:2}
.phone-sub{width:172px;aspect-ratio:8/11;right:2%;top:calc(50% - 46px);transform:translateY(-50%);opacity:.92;z-index:1}
.phone-main::after,.phone-sub::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(0,0,0,.66));
}
.phone-label{
  position:absolute;left:12px;right:12px;bottom:14px;z-index:3;color:#fff;
}
.phone-label strong{display:block;font-size:15px;line-height:1.4;font-weight:700}
.phone-label span{font-size:12px;opacity:.78}
.heat-badge{
  position:absolute;z-index:4;top:14px;right:-14px;background:var(--yellow);color:#3A2A00;
  font-size:12px;font-weight:800;padding:5px 12px;border-radius:999px;box-shadow:0 6px 16px rgba(0,0,0,.28);
  font-variant-numeric:tabular-nums;
}
.play-dot{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:3;
  width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:16px;
  box-shadow:0 8px 22px rgba(0,0,0,.3);
}
.play-dot::before{content:"";width:0;height:0;border-left:12px solid var(--ink);border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:3px}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:42em}
.eyebrow{font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:.06em;margin-bottom:10px;text-transform:uppercase}

/* 横滑轨道 */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 14px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-btn{
  position:absolute;top:38%;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;z-index:5;transition:var(--t);font-size:16px;
}
.rail-btn:hover{background:var(--brand);color:#fff;border-color:transparent}
.rail-btn.prev{left:-14px}
.rail-btn.next{right:-14px}

/* 竖屏卡 */
.reel-card{
  flex:0 0 220px;scroll-snap-align:start;background:#fff;border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;transition:transform var(--t),box-shadow var(--t);display:block;
}
.reel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.reel-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:#E9EDEB}
.reel-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.reel-card:hover .reel-cover img{transform:scale(1.04)}
.reel-cat{
  position:absolute;left:10px;top:10px;background:rgba(255,255,255,.92);color:var(--brand-dark);
  font-size:12px;font-weight:700;padding:3px 9px;border-radius:6px;z-index:3;
}
.reel-time{
  position:absolute;right:10px;bottom:10px;background:rgba(18,22,26,.68);color:#fff;
  font-size:12px;padding:2px 8px;border-radius:6px;z-index:3;font-variant-numeric:tabular-nums;
}
.reel-body{padding:14px 14px 16px}
.reel-body h3{font-size:15px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.reel-meta{display:flex;align-items:center;gap:14px;margin-top:10px;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.reel-meta b{color:var(--orange);font-weight:700}

/* 清单行 */
.pick-list{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:6px 24px}
.pick-row{
  display:grid;grid-template-columns:54px 88px 1fr auto;gap:20px;align-items:center;
  padding:18px 8px;border-bottom:1px solid var(--line);transition:background var(--t);border-radius:12px;
}
.pick-row:last-child{border-bottom:0}
.pick-row:hover{background:#F6F7F5}
.pick-no{
  font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  border:2px solid var(--brand-soft);border-radius:12px;text-align:center;line-height:1.5;
}
.pick-thumb{width:88px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#E9EDEB}
.pick-thumb img{width:100%;height:100%;object-fit:cover}
.pick-main h3{font-size:17px;font-weight:700}
.pick-main p{font-size:14px;color:var(--ink-2);margin-top:4px}
.pick-act{display:flex;align-items:center;gap:10px}
.pick-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#8A5A00;
  background:#FFF4D8;border-radius:6px;padding:4px 10px;
}

/* 标签 / 徽章 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;
}
.badge-orange{background:#FFEDE5;color:#C24A17}
.badge-violet{background:#EFEDFD;color:#4B3FC4}

/* CMS 资讯网格 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#E9EDEB}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;
}
.news-empty{
  grid-column:1/-1;border:1px dashed #C8D2CE;border-radius:var(--radius);background:#fff;
  padding:54px 24px;text-align:center;
}
.news-empty .icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--brand-dark);
}
.news-empty p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* 口碑 */
.quote-card{
  flex:0 0 280px;scroll-snap-align:start;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;transition:transform var(--t),box-shadow var(--t);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.quote-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.quote-top strong{font-size:14px;display:block}
.stars{color:var(--yellow);font-size:13px;letter-spacing:2px;line-height:1}
.quote-card p{font-size:14px;color:#48525B;margin-top:14px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.quote-time{font-size:12px;color:#9AA3AC;margin-top:12px;font-variant-numeric:tabular-nums}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t);
}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px 18px 24px;min-height:56px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--brand);
}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--brand-dark);transition:transform var(--t);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-body{padding:0 24px 22px;border-top:1px solid var(--line);margin-top:2px;padding-top:16px;color:#48525B;font-size:15px}

/* 深色 CTA */
.cta-band{background:#12161A;color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.12;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;padding:64px 0}
.cta-grid h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3}
.cta-grid p{color:rgba(255,255,255,.72);margin-top:14px;font-size:15px;max-width:36em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-actions .btn-primary{box-shadow:0 10px 26px rgba(0,194,168,.34)}

/* 页脚 */
.site-footer{background:#12161A;color:rgba(255,255,255,.66);font-size:14px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.site-footer .logo{color:#fff;font-size:17px}
.footer-desc{margin-top:16px;line-height:1.85;max-width:32em}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{transition:color var(--t)}
.footer-col a:hover{color:var(--brand)}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bar a{color:rgba(255,255,255,.62)}

/* 移动端粘性条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(10px);transform:translateY(120%);transition:transform 240ms ease-out;
}
.mobile-bar.is-show{transform:translateY(0)}
.mobile-bar .btn{flex:1;min-height:44px;padding:0 12px}

/* 淡入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* ============ 断点 ============ */
@media (max-width:1279px){
  .hero-left{padding:44px 36px}
  .phone-main{width:196px}
  .phone-sub{width:154px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-search{display:none}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-split{display:none}
  .nav-right{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;min-height:0}
  .hero-left{padding:36px 28px}
  .hero-right{min-height:400px;padding:32px 24px}
  .phone-stack{min-height:360px}
  .phone-main{width:184px;left:12%}
  .phone-sub{width:146px;right:8%}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-grid{grid-template-columns:1fr;gap:24px;padding:52px 0}
  .cta-actions{justify-content:flex-start}
  .rail-btn{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .hero{margin-top:16px}
  .hero-grid{border-radius:18px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-stats .num{font-size:24px}
  .hero-right{min-height:340px}
  .phone-main{width:150px;left:6%}
  .phone-sub{width:120px;right:4%}
  .heat-badge{right:0}
  .rail{gap:14px;padding-left:2px}
  .reel-card{flex:0 0 160px}
  .pick-list{padding:4px 14px}
  .pick-row{grid-template-columns:40px 1fr;gap:12px;padding:16px 4px}
  .pick-thumb{display:none}
  .pick-main{grid-column:2}
  .pick-act{grid-column:1/-1;justify-content:flex-start;padding-left:52px}
  .pick-no{font-size:18px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px}
  .news-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:15px;padding:16px 16px 16px 20px}
  .faq-body{padding:0 18px 18px;padding-top:14px}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.1)}
  .footer-col h3{margin:0;padding:16px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
  .footer-col h3::after{content:"＋";color:var(--brand);font-size:16px}
  .footer-col.is-open h3::after{content:"－"}
  .footer-col ul{display:none;padding-bottom:14px}
  .footer-col.is-open ul{display:block}
  .footer-brand{border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:22px}
  .footer-bar{justify-content:flex-start}
  .mobile-bar{display:flex}
  body{padding-bottom:72px}
}
@media (max-width:479px){
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .reel-card{flex:0 0 148px}
  .quote-card{flex:0 0 240px}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --primary:#00C2A8;
  --primary-dark:#00A38E;
  --primary-light:#E4FBF6;
  --accent:#FF7A45;
  --gold:#FFC53D;
  --purple:#6C5CE7;
  --ink:#12161A;
  --muted:#6B7580;
  --line:#E3E7E3;
  --card:#FFFFFF;
  --bg:#F6F7F5;
  --radius:16px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --shadow-lg:0 12px 32px rgba(18,22,26,.12);
  --nav-h:60px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{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(--primary);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease-out;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(0,194,168,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#00907D}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#252B33}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary-dark);font-weight:600;min-height:44px}
.btn-link .arrow{transition:transform .18s ease-out}
.btn-link:hover .arrow{transform:translateX(3px)}
.btn[disabled],.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none}
.btn.is-loading::after{content:"";width:14px;height:14px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;font-size:13px;font-weight:600;line-height:1.5}
.badge-primary{background:var(--primary-light);color:var(--primary-dark)}
.badge-accent{background:#FFF0EA;color:#D9541F}
.badge-gold{background:#FFF7E0;color:#A97700}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted);transition:all .18s ease-out}
.tag:hover{border-color:var(--primary);color:var(--primary-dark)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(246,247,245,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:all .2s ease-out;
}
.site-header.scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(18,22,26,.06)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#12E0C4);box-shadow:0 4px 12px rgba(0,194,168,.35);position:relative;flex:none}
.logo-mark::after{content:"";position:absolute;inset:8px 8px 8px 9px;background:#fff;clip-path:polygon(0 0,100% 50%,0 100%);border-radius:2px}
.nav-split{width:1px;height:22px;background:var(--line);flex:none}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{position:relative;padding:9px 14px;border-radius:999px;font-size:15px;color:#3B434B;transition:all .16s ease-out}
.nav-links a:hover{background:#EDEFEC;color:var(--ink)}
.nav-links a.active{background:var(--primary-light);color:var(--primary-dark);font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:flex;align-items:center;gap:0;background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 3px 3px 14px;transition:all .16s ease-out}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(0,194,168,.18)}
.nav-search input{border:0;background:transparent;outline:none;width:126px;font-size:14px;padding:6px 0}
.nav-search button{width:34px;height:34px;border:0;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);cursor:pointer;font-size:15px;transition:all .16s ease-out}
.nav-search button:hover{background:var(--primary);color:#fff}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";transition:all .2s ease-out}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- 页头 ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:32px 0 36px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);transition:color .16s ease-out}
.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb .sep{color:#C7CDC9}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-title{
  font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  max-width:900px;margin:14px 0 18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C7CDC9}
.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#12E0C4);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700}

/* ---------- 正文布局 ---------- */
.article-section{padding:44px 0 56px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:40px 44px;max-width:100%;
}
.article-body>*:first-child{margin-top:0}
.article-body p{font-size:16.5px;line-height:1.9;margin:0 0 18px;color:#242B31}
.article-body h2{
  position:relative;padding-left:16px;font-size:clamp(21px,2.3vw,27px);font-weight:700;line-height:1.35;
  margin:40px 0 16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.45;margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body a{color:var(--primary-dark);border-bottom:1px solid rgba(0,163,142,.35);transition:all .16s ease-out}
.article-body a:hover{border-bottom-color:var(--primary-dark);background:var(--primary-light)}
.article-body strong{font-weight:700}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:8px;font-size:16px;line-height:1.85;color:#2A3138}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary)}
.article-body ol{counter-reset:olc}
.article-body ol li::before{counter-increment:olc;content:counter(olc);position:absolute;left:0;top:.15em;width:18px;font-size:12px;font-weight:700;color:var(--primary-dark)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg);border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;color:#3B434B;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-sm)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff;border-radius:12px;overflow:hidden}
.article-body th{background:var(--ink);color:#fff;text-align:left;font-weight:600;padding:12px 14px}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFBFA}
.article-body pre{background:#F2F4F1;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto;margin:22px 0}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed #CBD3CE;border-radius:var(--radius);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-icon{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary-dark)}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;max-width:480px;margin-left:auto;margin-right:auto}

/* ---------- 文末 ---------- */
.article-foot{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px 44px 28px;margin-top:20px}
.foot-block{margin-bottom:24px}
.foot-block:last-child{margin-bottom:0}
.foot-label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;margin-bottom:12px}
.tag-group{display:flex;flex-wrap:wrap;gap:10px}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pn-card{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:all .18s ease-out}
.pn-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.pn-card .pn-dir{font-size:12px;color:var(--primary-dark);font-weight:700;margin-bottom:6px}
.pn-card .pn-title{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-list a,.toc-empty{display:block;font-size:14px;color:var(--muted);padding:7px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;transition:all .16s ease-out;line-height:1.5}
.toc-list a:hover{background:var(--bg);color:var(--ink)}
.toc-list a.is-active{color:var(--primary-dark);font-weight:700;border-left-color:var(--primary);background:var(--primary-light)}
.toc-list a.lv3{padding-left:22px;font-size:13px}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;color:#3B434B;transition:all .16s ease-out}
.side-links a:hover{background:var(--bg);color:var(--primary-dark)}
.side-links .idx{width:20px;height:20px;flex:none;border-radius:6px;background:var(--primary-light);color:var(--primary-dark);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px}
.toc-mobile-btn{display:none}

/* ---------- 相关推荐 ---------- */
.related{padding:8px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sec-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700}
.sec-head p{font-size:14px;color:var(--muted);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:all .2s ease-out;display:flex;flex-direction:column}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rcard .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rcard:hover .thumb img{transform:scale(1.04)}
.rcard .rc-body{padding:16px 18px 20px}
.rcard .rc-body h3{font-size:16px;font-weight:700;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .rc-body p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .rc-meta{margin-top:12px;font-size:12.5px;color:#9AA3A0;display:flex;justify-content:space-between}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:56px 0;margin-top:24px}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;margin-bottom:12px}
.cta-band p{color:#B7BFC6;font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.cta-band .btn-ghost:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6CDD3;padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-desc{font-size:13.5px;line-height:1.9;color:#98A2AA;max-width:320px}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:13.5px;color:#98A2AA}
.footer-col a{color:#C6CDD3;transition:color .16s ease-out}
.footer-col a:hover{color:var(--primary)}
.footer-bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#8C959D}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 232px;gap:32px}
  .article-body{padding:34px 30px}
  .article-foot{padding:22px 30px 26px}
}
@media (max-width:1023px){
  .nav-links{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(18,22,26,.1);flex-direction:column;align-items:stretch;gap:0;padding:10px 16px 18px;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 12px;border-radius:10px;font-size:15.5px}
  .nav-split{display:none}
  .nav-toggle{display:block}
  .nav-search{display:none}
  .article-layout{grid-template-columns:1fr;gap:24px}
  .article-side{position:static}
  .toc-desktop{display:none}
  .toc-mobile-btn{display:inline-flex}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:22px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-head{padding:24px 0 26px}
  .article-section{padding:28px 0 40px}
  .article-body{padding:24px 20px;border-radius:14px}
  .article-body p{font-size:16px}
  .article-foot{padding:20px;border-radius:14px}
  .prevnext{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:28px}
  .footer-bar{flex-direction:column;font-size:12px}
  .logo{font-size:15.5px}
  .btn{padding:0 18px}
}
@media (max-width:479px){
  .page-title{font-size:26px}
  .meta-row{font-size:13px;gap:8px 12px}
  .article-body h2{font-size:20px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --primary:#00C2A8;
  --primary-dark:#00A38E;
  --primary-light:#E4FBF6;
  --accent:#FF7A45;
  --gold:#FFC53D;
  --violet:#6C5CE7;
  --ink:#12161A;
  --muted:#6B7580;
  --line:#E3E7E3;
  --card:#FFFFFF;
  --bg:#F6F7F5;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(18,22,26,.06), 0 8px 24px rgba(18,22,26,.06);
  --shadow-2:0 12px 32px rgba(18,22,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3{margin:0;letter-spacing:-.01em;line-height:1.25}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
::selection{background:var(--primary-light);color:var(--primary-dark)}

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

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(0,194,168,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(0,194,168,.24)}
.btn-primary[disabled],.btn-primary.is-loading{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-xs{min-height:38px;padding:0 16px;font-size:13.5px;font-weight:600}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary-dark);font-weight:600;font-size:15px;min-height:44px}
.btn-text span{transition:transform .16s var(--ease)}
.btn-text:hover span{transform:translateX(3px)}
.btn.is-loading::before{
  content:"";width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;font-size:12.5px;font-weight:600;letter-spacing:.02em}
.badge-cat{background:var(--primary-light);color:var(--primary-dark)}
.corner-tag{
  position:absolute;right:10px;bottom:10px;height:24px;padding:0 9px;border-radius:6px;
  background:rgba(18,22,26,.62);color:#fff;font-size:12px;display:inline-flex;align-items:center;
  backdrop-filter:blur(4px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.04em;box-shadow:var(--shadow-1);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid transparent;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(18,22,26,.06)}
.nav-wrap{display:flex;align-items:center;gap:14px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:22px;height:22px;border-radius:7px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 4px 10px rgba(0,194,168,.35);
}
.nav-split{width:1px;height:22px;background:var(--primary);opacity:.4;flex:none}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  display:inline-flex;align-items:center;min-height:42px;padding:0 13px;border-radius:999px;
  font-size:15px;color:var(--muted);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:var(--primary-light)}
.nav-links a.active{color:var(--primary-dark);background:var(--primary-light);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  display:flex;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:2px 4px 2px 14px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,194,168,.18)}
.nav-search input{border:0;background:transparent;outline:none;width:130px;height:36px;font-size:14px}
.nav-search input::placeholder{color:#A8B0AC}
.nav-search button{
  width:34px;height:34px;border:0;border-radius:999px;background:var(--primary-light);
  color:var(--primary-dark);cursor:pointer;font-size:16px;line-height:1;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-search button:hover{background:var(--primary);color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;position:relative;cursor:pointer;flex:none;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}

/* 页面首屏 */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#E4FBF6 0%,#F6F7F5 55%,#FDF6F1 100%);
  padding:56px 0 52px;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:460px;height:460px;border-radius:50%;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.08;pointer-events:none;
}
.page-hero .hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
}
.page-hero h1{margin:18px 0 16px}
.page-hero h1 em{font-style:normal;color:var(--primary-dark)}
.hero-lead{font-size:17px;color:#41504C;max-width:620px;line-height:1.9}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1.1;color:var(--ink)}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-visual{position:relative}
.hero-shot{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-2);border:6px solid #fff;
  aspect-ratio:16/10;background:#DDE4E0;
}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-chip{
  position:absolute;left:-14px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-1);padding:12px 16px;
  display:flex;flex-direction:column;gap:0;
}
.hero-chip strong{font-size:20px;font-weight:800;color:var(--primary-dark);line-height:1.3}
.hero-chip span{font-size:12.5px;color:var(--muted)}

/* 通用板块 */
.section{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin-bottom:32px}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--muted);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head-row .section-head{margin-bottom:0}

/* 筛选条 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.chip{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14.5px;cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.chip:hover{border-color:var(--primary);color:var(--primary-dark)}
.chip.is-active{
  background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;
  box-shadow:0 8px 18px rgba(0,194,168,.26);
}

/* 专区卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.game-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D5E5E0}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9EEEA}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.game-card:hover .card-media img{transform:scale(1.04)}
.card-media .badge-cat{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.94)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;margin-bottom:8px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
}
.card-foot .meta{font-size:13px;color:#8A948F}
.card-actions{margin-top:14px;display:flex;justify-content:flex-start}
.is-more{display:none}
.card-grid + .load-wrap{display:flex;justify-content:center;margin-top:34px}

/* 使用步骤 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.steps li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px 26px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.steps li::before{
  content:"";position:absolute;left:24px;top:0;width:44px;height:4px;border-radius:0 0 4px 4px;background:var(--primary);
}
.step-num{
  display:inline-block;font-size:14px;font-weight:800;letter-spacing:.1em;color:var(--primary-dark);
  background:var(--primary-light);border-radius:6px;padding:3px 9px;
}
.steps h3{margin:14px 0 8px;font-size:19px}
.steps p{font-size:14.5px;color:var(--muted)}

/* 指标说明块 */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  box-shadow:var(--shadow-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.metric-card strong{display:block;font-size:32px;font-weight:800;line-height:1.2;color:var(--ink)}
.metric-card b{display:block;font-size:15px;font-weight:600;margin:8px 0 6px}
.metric-card span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.faq-item:hover{border-color:#D5E5E0}
.faq-item[open]{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  min-height:56px;padding:16px 20px 16px 26px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--primary);
}
.faq-item summary::after{
  content:"›";font-size:24px;color:#9AA5A0;line-height:1;transform:rotate(90deg);
  transition:transform .2s var(--ease),color .2s var(--ease);flex:none;
}
.faq-item[open] summary::after{transform:rotate(-90deg);color:var(--primary-dark)}
.faq-body{padding:14px 22px 20px 26px;border-top:1px solid var(--line);font-size:15px;color:var(--muted)}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink);color:#fff;padding:46px 44px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(0,194,168,.45),transparent 68%);
}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#A9B4B0;font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9D1CE;margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:32px}
.site-footer .logo{color:#fff}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:#98A29E;max-width:330px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-col li{font-size:14px;line-height:2.05;color:#98A29E}
.footer-col a{color:#98A29E;transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bar{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;font-size:13px;color:#7C8783;
}

/* 移动端粘性条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;gap:10px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(18,22,26,.08);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.mobile-bar.is-show{opacity:1;transform:none;pointer-events:auto}
.mobile-bar .btn{flex:1}

/* 响应式 */
@media (max-width:1279px){
  .page-hero .hero-inner{gap:34px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .nav-links{
    position:absolute;left:0;right:0;top:var(--nav-h);display:none;flex-direction:column;align-items:stretch;
    gap:2px;background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 20px;box-shadow:0 18px 30px rgba(18,22,26,.08);
  }
  .nav-links.is-open{display:flex}
  .nav-links a{min-height:48px;padding:0 12px;border-radius:12px;font-size:16px}
  .nav-toggle{display:block}
  .nav-split{display:none}
  .page-hero .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:560px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr;gap:16px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-band{grid-template-columns:1fr;padding:38px 30px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  body{padding-bottom:74px}
  .container{padding:0 18px}
  .site-header{--nav-h:58px}
  .nav-wrap{gap:10px}
  .logo{font-size:15.5px}
  .nav-right .btn-sm{display:none}
  .page-hero{padding:38px 0 34px}
  .hero-lead{font-size:15.5px}
  .hero-stats{gap:24px}
  .section{padding:48px 0}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:10px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .filter-bar{gap:8px;margin:22px 0 24px}
  .chip{min-height:42px;padding:0 15px;font-size:14px}
  .faq-item summary{font-size:15px;padding:14px 16px 14px 22px}
  .faq-body{padding:12px 18px 18px 22px;font-size:14.5px}
  .cta-band{padding:32px 22px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:8px}
  .footer-col h3,.footer-desc{margin-bottom:8px}
  .mobile-bar{display:flex}
}
@media (max-width:479px){
  h1{font-size:27px}
  .hero-stats strong{font-size:26px}
  .metric-grid{grid-template-columns:1fr}
  .btn{padding:0 18px;font-size:14.5px}
  .card-foot{flex-direction:column;align-items:flex-start;gap:10px}
  .hero-chip{left:auto;right:8px;bottom:-16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#00C2A8;
  --brand-dark:#00A38E;
  --brand-soft:#E4FBF6;
  --accent:#FF7A45;
  --gold:#FFC53D;
  --violet:#6C5CE7;
  --ink:#12161A;
  --muted:#6B7580;
  --line:#E3E7E3;
  --card:#FFFFFF;
  --bg:#F6F7F5;
  --dark:#12161A;
  --radius:16px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --shadow-lg:0 12px 32px rgba(18,22,26,.12);
  --container:1200px;
  --ease:cubic-bezier(.22,.68,.32,1);
  --nav-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{max-width:38em}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}

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

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,247,245,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,22,26,.07)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;flex:none}
.logo-mark{
  position:relative;width:22px;height:22px;flex:none;border-radius:7px;
  background:linear-gradient(135deg,var(--brand),#5BE7D2);
  box-shadow:0 4px 12px rgba(0,194,168,.38);
}
.logo-mark::after{
  content:"";position:absolute;inset:6px 6px 6px 8px;background:#fff;border-radius:1px;
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.nav-split{width:1px;height:22px;background:var(--brand);opacity:.55;flex:none}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  font-size:15px;color:var(--muted);border-radius:10px;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-links a:hover{color:var(--brand-dark);background:var(--brand-soft)}
.nav-links a.active{color:var(--ink);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),#5BE7D2);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:6px;height:40px;padding:0 6px 0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,194,168,.16)}
.nav-search input{
  width:132px;border:0;background:transparent;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:#A6AEB6}
.nav-search button{
  display:grid;place-items:center;width:30px;height:30px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:15px;line-height:1;
  transition:background .16s var(--ease),transform .16s var(--ease);
}
.nav-search button:hover{background:#CBF4EC;transform:scale(1.06)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;place-items:center;border:1px solid var(--line);background:#fff}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(0,194,168,.28);
}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,194,168,.34)}
.btn-primary:active{transform:translateY(0);background:#009481}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-on-dark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.34);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.2);border-color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;
  color:var(--brand-dark);font-weight:600;font-size:15px;
}
.btn-link span{transition:transform .16s var(--ease)}
.btn-link:hover span{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#12161A 12%,rgba(18,22,26,.86) 46%,rgba(18,22,26,.58) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 24px 60px;max-width:1200px;margin:0 auto}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(0,194,168,.16);color:#5BE7D2;border:1px solid rgba(0,194,168,.34);
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero h1{max-width:15em;color:#fff}
.hero h1 em{font-style:normal;color:#5BE7D2}
.hero-lead{max-width:640px;margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.78)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats li{min-width:96px}
.hero-stats b{display:block;font-size:clamp(30px,3.4vw,42px);font-weight:800;line-height:1.1;color:#fff;letter-spacing:-.02em}
.hero-stats span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.62)}

/* ---------- Section base ---------- */
.section{padding:72px 0}
.section-tight{padding:52px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-dark);text-transform:uppercase;margin-bottom:12px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}

/* ---------- Compare layout ---------- */
.compare-grid{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:36px;align-items:start;
}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 40px;box-shadow:var(--shadow-sm)}
.article-body h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:18px;position:relative;padding-left:16px}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),#5BE7D2);
}
.article-body h3{margin:32px 0 12px;font-size:20px}
.article-body p{color:#2C3339;margin-bottom:16px;max-width:36em}
.article-body p:last-child{margin-bottom:0}
.quote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--accent);
  background:#FFF7F3;border-radius:0 14px 14px 0;color:#4A3B33;font-size:15px;
}
.mini-list{margin:20px 0 24px;display:grid;gap:10px}
.mini-list li{
  position:relative;padding-left:26px;color:#2C3339;font-size:15.5px;
}
.mini-list li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-soft);border:2px solid var(--brand);
}
.side-panel{position:sticky;top:calc(var(--nav-h) + 20px);display:grid;gap:20px}
.panel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
}
.panel-card h3{font-size:18px;margin-bottom:6px}
.panel-card .panel-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.panel-list{display:grid;gap:14px}
.panel-list li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start}
.panel-list .num{
  display:grid;place-items:center;width:28px;height:28px;border-radius:9px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:800;
}
.panel-list b{display:block;font-size:15px;font-weight:700}
.panel-list span{display:block;font-size:13.5px;color:var(--muted);line-height:1.7}
.panel-card.dark{background:var(--dark);border-color:var(--dark);color:#fff}
.panel-card.dark h3{color:#fff}
.panel-card.dark .panel-sub{color:rgba(255,255,255,.6)}
.panel-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.panel-stats b{display:block;font-size:28px;font-weight:800;color:#5BE7D2;line-height:1.2}
.panel-stats span{display:block;font-size:12.5px;color:rgba(255,255,255,.62);margin-top:4px}
.panel-thumb{border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.panel-card.dark .panel-thumb{border-color:rgba(255,255,255,.14)}

/* ---------- Table ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.cmp-table{width:100%;border-collapse:collapse;font-size:15px}
.cmp-table thead th{
  background:var(--dark);color:#fff;text-align:left;font-weight:600;font-size:14.5px;
  padding:16px 20px;letter-spacing:.02em;
}
.cmp-table tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:#2C3339;vertical-align:top}
.cmp-table tbody tr:nth-child(even){background:#FAFBFA}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr{transition:background .16s var(--ease)}
.cmp-table tbody tr:hover{background:var(--brand-soft)}
.cmp-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.tag{
  display:inline-block;padding:3px 10px;border-radius:6px;font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag.gold{background:#FFF6E0;color:#8A6100}
.tag.red{background:#FFEFE8;color:#C2481F}
.tag.violet{background:#EFEDFD;color:#4A3CC4}

/* ---------- Scene cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D6ECE7}
.scene-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.scene-card:hover .thumb img{transform:scale(1.04)}
.scene-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,26,0) 40%,rgba(18,22,26,.55))}
.scene-card .thumb .badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:4px 10px;border-radius:6px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-dark);
}
.scene-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-card h3{font-size:18px}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.8;max-width:32em}
.scene-card .foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px 22px;box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;
  color:var(--brand);margin-bottom:12px;line-height:1;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}
.step::after{
  content:"";position:absolute;top:38px;right:-14px;width:14px;height:2px;
  background:linear-gradient(90deg,var(--violet),rgba(108,92,231,.1));
}
.step:last-child::after{display:none}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.faq-item[open]{border-color:#CDEDE7;box-shadow:var(--shadow-sm)}
.faq-item summary{
  position:relative;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:14px 52px 14px 20px;
  font-size:16px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";width:4px;height:20px;border-radius:4px;background:var(--brand);flex:none;
  transition:height .18s var(--ease);
}
.faq-item[open] summary::before{height:26px}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);border-color:var(--brand)}
.faq-item .faq-body{
  padding:0 24px 20px 24px;margin-top:8px;border-top:1px dashed var(--line);
  color:var(--muted);font-size:15px;line-height:1.9;
}
.faq-item .faq-body p{max-width:44em}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:24px;padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:center;
}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.14;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:72px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:30em}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.6)}
.footer-col a{color:rgba(255,255,255,.72);transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bar{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Mobile sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;gap:10px;align-items:center;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .24s var(--ease);
}
.sticky-bar.is-show{transform:translateY(0)}
.sticky-bar .btn{flex:1}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .article-body{padding:32px 30px}
}
@media (max-width:1023px){
  .nav-links a{padding:0 9px;font-size:14.5px}
  .nav-search input{width:100px}
  .compare-grid{grid-template-columns:1fr;gap:24px}
  .side-panel{position:static}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .container{padding:0 16px}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-links{
    position:fixed;left:0;right:0;top:var(--nav-h);z-index:65;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;padding:10px 16px 18px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(18,22,26,.14);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-links a{height:auto;padding:14px 6px;font-size:16px;border-bottom:1px dashed var(--line);border-radius:0}
  .nav-links a:last-child{border-bottom:0}
  .nav-links a.active::after{display:none}
  .nav-links a.active{color:var(--brand-dark)}
  .hero-inner{padding:40px 16px 44px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stats{gap:24px;margin-top:32px}
  .hero-stats b{font-size:28px}
  .section{padding:52px 0}
  .article-body{padding:24px 20px;border-radius:16px}
  .article-body h3{font-size:18px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:18px}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
  .footer-bar{flex-direction:column;align-items:flex-start}
  .sticky-bar{display:flex}
  /* table -> cards */
  .table-wrap{background:transparent;border:0;box-shadow:none}
  .cmp-table{display:block}
  .cmp-table thead{display:none}
  .cmp-table tbody{display:block}
  .cmp-table tbody tr{
    display:block;background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:8px 18px;margin-bottom:14px;box-shadow:var(--shadow-sm);
  }
  .cmp-table tbody tr:nth-child(even){background:#fff}
  .cmp-table tbody tr:hover{background:#fff}
  .cmp-table tbody td{
    display:flex;justify-content:space-between;gap:14px;align-items:baseline;
    padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
  }
  .cmp-table tbody td:last-child{border-bottom:0}
  .cmp-table tbody td:first-child{font-size:16px;padding-top:14px}
  .cmp-table tbody td::before{
    content:attr(data-label);color:var(--muted);font-size:13px;font-weight:600;flex:none;
  }
  .cmp-table tbody td:first-child::before{display:none}
}
@media (max-width:479px){
  .logo{font-size:15.5px}
  .logo-mark{width:20px;height:20px}
  .hero h1{font-size:27px}
  .btn{padding:0 16px;font-size:14px}
  .panel-card{padding:20px}
  .panel-stats{grid-template-columns:1fr 1fr;gap:14px}
  .panel-stats b{font-size:24px}
  .faq-item summary{font-size:15px;padding:14px 44px 14px 16px}
  .faq-item .faq-body{padding:0 18px 18px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand:#00C2A8;
  --brand-dark:#00A38E;
  --brand-soft:#E4FBF6;
  --accent:#FF7A45;
  --gold:#FFC53D;
  --purple:#6C5CE7;
  --ink:#12161A;
  --ink-2:#6B7580;
  --line:#E3E7E3;
  --card:#FFFFFF;
  --bg:#F6F7F5;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:18px;
  --shadow-1:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --shadow-2:0 12px 32px rgba(18,22,26,.12);
  --nav-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(0,194,168,.45);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  backdrop-filter:saturate(160%) blur(10px);
  transition:box-shadow .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,22,26,.06)}
.nav-wrap{display:flex;align-items:center;gap:14px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.logo-mark{
  width:20px;height:20px;border-radius:6px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  box-shadow:0 4px 12px rgba(0,194,168,.35);
}
.logo-mark::after{content:"";position:absolute;inset:6px 6px 6px 6px;border-radius:2px;background:#fff;opacity:.9}
.nav-split{width:8px;height:22px;border-radius:3px;background:var(--brand);opacity:.85;flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 13px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);white-space:nowrap;
  transition:background .16s ease-out,color .16s ease-out;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--ink)}
.nav-links a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;height:40px;padding:0 4px 0 14px;
  background:#F6F7F5;border:1px solid var(--line);border-radius:999px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out,background .16s ease-out;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,194,168,.18)}
.nav-search input{width:132px;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:#9AA3AB}
.nav-search button{width:32px;height:32px;border-radius:999px;color:var(--brand-dark);font-size:17px;line-height:1}
.nav-search button:hover{background:var(--brand-soft)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);position:relative;
  border:1px solid var(--line);background:#fff;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .2s ease-out,opacity .2s ease-out;
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px;left:0}
.nav-toggle span::after{top:6px;left:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;position:relative;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(0,194,168,.28)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,194,168,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(0,194,168,.26)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{color:transparent}
.btn.is-loading::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.5);border-top-color:#fff;animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:#12161A;color:#fff}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(18,22,26,.94) 0%,rgba(18,22,26,.82) 46%,rgba(0,163,142,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 68px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(0,194,168,.18);border:1px solid rgba(0,194,168,.45);
  color:#8FF0DF;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.page-hero h1{
  margin:20px 0 0;font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.15;
  letter-spacing:-.015em;color:#fff;
}
.hero-sub{margin:18px 0 0;font-size:clamp(16px,1.6vw,19px);line-height:1.7;color:#D6E4E1;max-width:38ch}
.hero-lead{margin:16px 0 0;font-size:15px;line-height:1.9;color:#A9B7B4;max-width:42ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin:34px 0 0;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats div{min-width:88px}
.hero-stats b{display:block;font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.hero-stats span{display:block;margin-top:6px;font-size:12.5px;color:#98A6A3;letter-spacing:.02em}
.hero-visual{position:relative;min-height:420px}
.phone-card{
  position:absolute;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 48px rgba(0,0,0,.4);
}
.phone-card img{width:100%;height:100%;object-fit:cover}
.phone-card.main{width:232px;aspect-ratio:9/16;left:6%;bottom:0;z-index:3}
.phone-card.sub{width:184px;aspect-ratio:8/11;right:4%;top:4%;z-index:2;opacity:.9}
.hot-badge{
  position:absolute;top:12px;right:12px;z-index:4;
  padding:5px 10px;border-radius:6px;background:rgba(18,22,26,.72);
  color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(4px);
}
.play-dot{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.86);
  color:var(--brand-dark);display:grid;place-items:center;font-size:15px;
}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;
}
.section-head h2{margin:16px 0 0;font-size:clamp(24px,2.6vw,34px)}
.section-head p{margin:14px 0 0;color:var(--ink-2);font-size:15.5px;max-width:62ch}

/* ============ 时间轴 ============ */
.timeline{margin-top:8px}
.tl-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:25px;top:50px;bottom:0;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--purple));
  opacity:.5;
}
.tl-item:last-child::before{display:none}
.tl-dot{
  width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid var(--brand);
  color:var(--brand-dark);font-weight:800;font-size:16px;display:grid;place-items:center;
  position:relative;z-index:2;box-shadow:0 6px 16px rgba(0,194,168,.2);
  font-variant-numeric:tabular-nums;
}
.tl-body{
  display:grid;grid-template-columns:1fr 210px;gap:22px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CFE9E2}
.tl-body h3{font-size:20px;margin-bottom:10px}
.tl-body p{color:var(--ink-2);font-size:15px;line-height:1.85}
.tl-thumb{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:4/3;background:#EEF1EF}
.tl-thumb img{width:100%;height:100%;object-fit:cover}
.tl-tips{margin:12px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:600;
}

/* ============ 横向滚动卡 ============ */
.hscroll-wrap{position:relative}
.hscroll-wrap::before,.hscroll-wrap::after{
  content:"";position:absolute;top:0;bottom:14px;width:36px;pointer-events:none;z-index:3;
}
.hscroll-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),rgba(246,247,245,0))}
.hscroll-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),rgba(246,247,245,0))}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;padding:6px 2px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.hscroll::-webkit-scrollbar{display:none}
.hscroll > *{scroll-snap-align:start;flex:0 0 316px}
.fix-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);height:100%;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.fix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.fix-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;
}
.fix-icon.a{background:linear-gradient(135deg,#00C2A8,#00A38E)}
.fix-icon.b{background:linear-gradient(135deg,#FF7A45,#F2603A)}
.fix-icon.c{background:linear-gradient(135deg,#6C5CE7,#5A4CD6)}
.fix-icon.d{background:linear-gradient(135deg,#FFC53D,#F0A800)}
.fix-card h3{font-size:19px;margin-bottom:10px}
.fix-card p{color:var(--ink-2);font-size:14.5px;line-height:1.85}
.fix-card ul{margin-top:14px;display:grid;gap:8px}
.fix-card li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2)}
.fix-card li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand)}

/* ============ 深色板块 ============ */
.dark-band{
  background:#12161A;color:#fff;border-radius:24px;padding:52px 48px;
  position:relative;overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,194,168,.35),rgba(0,194,168,0) 70%);
}
.dark-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.dark-band .eyebrow{background:rgba(0,194,168,.18);color:#8FF0DF}
.dark-band h2{margin:16px 0 0;font-size:clamp(24px,2.6vw,32px);color:#fff}
.dark-band p.lead{margin:14px 0 0;color:#A9B7B4;font-size:15.5px}
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#D6E4E1}
.check-list .tick{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;margin-top:2px;
  background:rgba(0,194,168,.2);color:#5BE6CE;display:grid;place-items:center;font-size:13px;font-weight:800;
}
.dark-stats{display:grid;gap:18px}
.dark-stat{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);padding:20px 22px;
}
.dark-stat b{display:block;font-size:34px;font-weight:800;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}
.dark-stat span{display:block;margin-top:6px;font-size:13.5px;color:#98A6A3}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:880px}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 22px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.faq details[open]{border-color:#CFE9E2;box-shadow:var(--shadow-2)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:12px 0;font-size:16.5px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";flex:0 0 auto;width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.faq summary::after{
  content:"›";margin-left:auto;font-size:22px;color:var(--brand-dark);line-height:1;
  transition:transform .2s ease-out;
}
.faq details[open] summary::after{transform:rotate(90deg)}
.faq .faq-body{padding:14px 0 20px;border-top:1px solid var(--line);margin-top:8px;color:var(--ink-2);font-size:15px;line-height:1.9}

/* ============ CTA ============ */
.cta-band{
  border-radius:24px;padding:48px;
  background:linear-gradient(120deg,#00C2A8 0%,#00A38E 58%,#067F70 100%);
  color:#fff;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(23px,2.4vw,30px);color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.88);font-size:15px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#12161A;color:#B9C3C1;margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand .logo{color:#fff;font-size:18px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#8E9A98;max-width:36ch}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:#8E9A98}
.footer-col a{color:#B9C3C1;transition:color .16s ease-out}
.footer-col a:hover{color:var(--brand)}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.09);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7A8583;
}

/* ============ 移动粘性条 ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));gap:10px;
  box-shadow:0 -8px 24px rgba(18,22,26,.08);
  transform:translateY(120%);opacity:0;transition:transform .22s ease-out,opacity .22s ease-out;
}
.mobile-bar.is-visible{transform:translateY(0);opacity:1}
.mobile-bar .btn{flex:1}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hscroll > *{flex:0 0 288px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:20px 24px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform .24s ease-out;
    box-shadow:-12px 0 32px rgba(18,22,26,.1);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{height:48px;padding:0 16px;border-radius:var(--r-sm);font-size:16px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{min-height:340px}
  .phone-card.main{width:196px;left:12%}
  .phone-card.sub{width:156px;right:10%}
  .dark-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .hero-inner{padding:44px 0 52px}
  .hero-stats{gap:22px;margin-top:26px;padding-top:20px}
  .hero-stats b{font-size:26px}
  .tl-item{grid-template-columns:40px 1fr;gap:14px;padding-bottom:22px}
  .tl-dot{width:40px;height:40px;font-size:14px}
  .tl-item::before{left:19px;top:40px}
  .tl-body{grid-template-columns:1fr;gap:16px;padding:18px}
  .tl-thumb{aspect-ratio:16/9}
  .dark-band{padding:34px 22px;border-radius:18px}
  .cta-band{padding:32px 22px;border-radius:18px}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bar{flex-direction:column;gap:8px}
  .hscroll > *{flex:0 0 254px}
  .mobile-bar{display:flex}
  body{padding-bottom:72px}
  .site-footer{margin-top:56px}
}
@media (max-width:479px){
  .logo{font-size:15.5px}
  .nav-split{width:6px;height:18px}
  .hero-visual{min-height:280px}
  .phone-card.main{width:160px;left:6%}
  .phone-card.sub{width:130px;right:4%}
  .faq summary{font-size:15px}
  .section-head h2{font-size:23px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}