/* roulang page: index */
:root{
  --c-primary:#12AC96;
  --c-primary-dark:#0E8F7E;
  --c-primary-deep:#0B6E62;
  --c-primary-light:#6FD9C6;
  --c-amber:#FFB020;
  --c-amber-dark:#E5930B;
  --c-coral:#FF6B5E;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --line:#E2E7E4;
  --t1:#0B1A18;
  --t2:#22332F;
  --t3:#5C6F6B;
  --t-inv:#FFFFFF;
  --dark:#0B1A18;
  --grad-brand:linear-gradient(120deg,#12AC96 0%,#0E8F7E 55%,#0B6E62 100%);
  --grad-accent:linear-gradient(120deg,#FFC24D 0%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,26,24,.04),0 12px 32px -12px rgba(11,26,24,.14);
  --sh-2:0 20px 44px -16px rgba(14,143,126,.28);
  --sp-section:72px;
}
@media (min-width:900px){:root{--sp-section:96px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--t1);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .24s ease}
a:hover{color:var(--c-primary-dark)}
button{font-family:inherit;font-size:inherit;background:none;border:0;padding:0;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:rgba(18,172,150,.22)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
section{scroll-margin-top:130px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:900px){.container{padding:0 32px}}

/* ===== 顶部条 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000}
.topbar{height:40px;background:var(--grad-brand);color:#fff;font-size:13px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:9px;min-width:0}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--c-amber);flex:none;animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,176,32,.6)}
  70%{box-shadow:0 0 0 10px rgba(255,176,32,0)}
  100%{box-shadow:0 0 0 0 rgba(255,176,32,0)}
}
.countdown{display:flex;align-items:center;gap:9px;font-variant-numeric:tabular-nums;flex:none}
.cd-label{opacity:.85}
.cd-unit{display:inline-flex;align-items:baseline;gap:3px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);border-radius:var(--r-pill);padding:1px 9px;font-size:12px}
.cd-unit b{font-size:13px;font-weight:700}
.cd-unit i{font-style:normal;font-size:11px;opacity:.82}

/* ===== 导航 ===== */
.main-nav{
  height:72px;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 24px -16px rgba(0,0,0,.35);
  transition:background .28s ease,height .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;line-height:1;box-shadow:0 6px 18px -8px rgba(14,143,126,.95)}
.logo-text{font-size:20px;font-weight:800;line-height:1;letter-spacing:.02em;color:#fff}
.logo-sub{font-size:12px;line-height:1;letter-spacing:.1em;color:rgba(255,255,255,.78);border-left:1px solid rgba(255,255,255,.34);padding-left:10px}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:#fff;padding:6px 0;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad-accent);transform:scaleX(0);transform-origin:left;transition:transform .26s ease}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:14px;flex:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}

.site-header.is-stuck .main-nav{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 10px 30px -18px rgba(11,26,24,.5);height:64px}
.site-header.is-stuck .logo-text{color:var(--t1)}
.site-header.is-stuck .logo-sub{color:var(--t3);border-left-color:var(--line)}
.site-header.is-stuck .nav-links a{color:var(--t2)}
.site-header.is-stuck .nav-links a.active{color:var(--c-primary-dark)}
.site-header.is-stuck .nav-toggle{border-color:var(--line);background:#fff}
.site-header.is-stuck .nav-toggle span{background:var(--t1)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,background-position .4s ease,border-color .22s ease;
}
.btn i{transition:transform .22s ease}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background-image:var(--grad-brand);background-size:180% 100%;background-position:0 0;color:#fff;box-shadow:0 12px 26px -14px rgba(14,143,126,.95)}
.btn-primary:hover{background-position:100% 0;color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(14,143,126,.85)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-outline:hover{background:rgba(18,172,150,.08);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-block{width:100%}

/* ===== 移动端抽屉 ===== */
.mobile-drawer{
  position:fixed;inset:0;z-index:1300;background:rgba(11,26,24,.97);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  padding:22px 20px 32px;display:flex;flex-direction:column;
  transform:translateY(-100%);visibility:hidden;transition:transform .32s ease,visibility .32s ease;
}
.mobile-drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:22px;line-height:1;display:grid;place-items:center}
.drawer-links{margin-top:40px;display:flex;flex-direction:column;gap:4px}
.drawer-links a{display:block;padding:15px 4px;font-size:17px;font-weight:600;color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-links a:hover{color:var(--c-primary-light)}
.drawer-note{margin-top:26px;font-size:13px;color:rgba(255,255,255,.55)}
.drawer-cta{margin-top:auto;width:100%}

/* ===== Hero ===== */
.hero{position:relative;min-height:600px;display:flex;align-items:flex-end;padding:170px 0 118px;overflow:hidden;background:var(--dark)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,172,150,.93) 0%,rgba(14,143,126,.88) 48%,rgba(11,110,98,.74) 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:48px;background:var(--bg);border-radius:48px 48px 0 0}
.hero-inner{position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:#EAFDF8;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);border-radius:var(--r-pill);padding:6px 16px;margin-bottom:22px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.01em;max-width:840px;text-shadow:0 2px 24px rgba(0,0,0,.3)}
.hero-sub{margin-top:18px;max-width:640px;font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.92)}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{margin-top:42px;display:flex;flex-wrap:wrap;gap:14px}
.hb{display:flex;flex-direction:column;gap:2px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:16px;padding:12px 22px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.hb strong{font-size:24px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.hb span{font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.8)}

/* ===== 板块通用 ===== */
.section{padding:var(--sp-section) 0}
.section-tight{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-desc{margin-top:12px;max-width:660px;font-size:15px;color:var(--t3)}
.section-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary-dark);white-space:nowrap}
.section-link i{transition:transform .22s ease}
.section-link:hover i{transform:translateX(4px)}

/* ===== 卖点错位栅格 ===== */
.feature-grid{display:flex;flex-direction:column;gap:24px}
.feature-col{display:flex;flex-direction:column;gap:24px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .28s ease,box-shadow .28s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-media{overflow:hidden;position:relative}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-lg .feature-media{aspect-ratio:16/10}
.feature-sm .feature-media{aspect-ratio:16/9}
.feature-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.icon-badge{width:46px;height:46px;border-radius:14px;background:rgba(18,172,150,.12);color:var(--c-primary-dark);display:grid;place-items:center;font-size:18px;margin-bottom:16px}
.feature-sm .icon-badge{width:40px;height:40px;border-radius:12px;font-size:16px}
.feature-body h3{font-size:20px;line-height:1.4;font-weight:700}
.feature-sm .feature-body h3{font-size:18px}
.feature-body p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--t3)}
.feature-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--c-primary-dark)}
.feature-more i{transition:transform .22s ease}
.feature-more:hover i{transform:translateX(4px)}

/* ===== 数据徽章带 ===== */
.stats-band{position:relative;border-radius:28px;background-image:var(--grad-brand);padding:36px 26px;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.24) 1.5px,transparent 1.6px);background-size:18px 18px;opacity:.45}
.stats-grid{position:relative;display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.stat{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:20px 22px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.stat strong{display:block;font-size:clamp(22px,2.4vw,28px);line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.stat strong em{font-style:normal;font-size:13px;font-weight:500;opacity:.86;margin-left:4px}
.stat span{font-size:13px;color:rgba(255,255,255,.84)}

/* ===== 图墙 ===== */
.wall{column-count:1;column-gap:20px}
.wall-item{break-inside:avoid;margin-bottom:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease}
.wall-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.wall-media{overflow:hidden}
.wall-media img{width:100%;transition:transform .5s ease}
.wall-item:hover .wall-media img{transform:scale(1.04)}
.wall-cap{padding:14px 18px;font-size:14px;font-weight:600;color:var(--t2)}
.wall-cap em{font-style:normal;display:block;margin-top:3px;font-size:12px;font-weight:400;color:var(--t3)}

/* ===== 最新信息列表 ===== */
.post-grid{display:grid;gap:24px;grid-template-columns:1fr}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .28s ease,box-shadow .28s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-thumb{display:block;aspect-ratio:3/2;overflow:hidden;background:#EDF3F1}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title a{color:var(--c-primary-dark)}
.post-excerpt{margin-top:10px;font-size:14px;line-height:1.75;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--t3)}
.dot{width:3px;height:3px;border-radius:50%;background:var(--line);flex:none}
.tag-mini{background:rgba(18,172,150,.1);color:var(--c-primary-dark);border-radius:var(--r-pill);padding:2px 10px;font-size:12px;line-height:1.7}
.empty-state{grid-column:1/-1;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-md);padding:56px 24px;text-align:center;color:var(--t3)}
.empty-state .ei{font-size:34px;color:var(--c-primary-light);margin-bottom:14px}
.empty-state p{font-size:15px}
.empty-state a{margin-top:12px;display:inline-block;font-weight:600;color:var(--c-primary-dark);border-bottom:1px solid currentColor}

/* ===== CTA + 表单 ===== */
.cta-card{position:relative;border-radius:var(--r-lg);overflow:hidden;background-image:var(--grad-brand);padding:40px 26px;display:grid;gap:32px}
.cta-card::before{content:"";position:absolute;right:-50px;top:-50px;width:300px;height:300px;background-image:radial-gradient(rgba(255,255,255,.26) 1.5px,transparent 1.6px);background-size:16px 16px;opacity:.5;pointer-events:none}
.cta-copy{position:relative;color:#fff}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700}
.cta-copy p{margin-top:14px;max-width:460px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{font-size:13px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:var(--r-pill);padding:6px 14px}
.signup-form{position:relative;background:#fff;border-radius:var(--r-md);padding:26px 24px;display:grid;gap:16px;box-shadow:0 24px 48px -24px rgba(11,26,24,.5)}
.field label{display:block;margin-bottom:7px;font-size:13px;color:var(--t3)}
.field input,.field select{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 14px;background:#FBFDFC;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,172,150,.14)}
.field.error input,.field.error select{border-color:var(--c-coral)}
.field .err{display:none;margin-top:6px;font-size:12px;color:var(--c-coral)}
.field.error .err{display:block}
.form-note{font-size:12px;text-align:center;color:var(--t3)}
.form-ok{display:none;background:rgba(18,172,150,.1);border:1px solid rgba(18,172,150,.3);color:var(--c-primary-dark);border-radius:var(--r-sm);padding:10px 14px;font-size:13px}
.form-ok.show{display:block}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:20px 24px 20px 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:600;color:var(--t1);transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-primary);transform:scaleY(0);transition:transform .26s ease}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item[open] summary{color:var(--c-primary-dark)}
.faq-icon{position:relative;flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:background .26s ease,border-color .26s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;border-radius:2px;background:var(--t3);transition:opacity .26s ease,background .26s ease}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item[open] .faq-icon{background:rgba(18,172,150,.12);border-color:var(--c-primary)}
.faq-item[open] .faq-icon::before{background:var(--c-primary-dark)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-body{padding:0 30px 24px;font-size:15px;line-height:1.85;color:var(--t3)}

/* ===== 页脚 ===== */
.site-footer{margin-top:56px;background:var(--dark);color:rgba(255,255,255,.7);border-radius:28px 28px 0 0;padding:64px 0 0}
.footer-grid{display:grid;gap:40px;grid-template-columns:1fr}
.footer-title{margin-bottom:18px;font-size:14px;font-weight:700;letter-spacing:.04em;color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.7);border-left-color:rgba(255,255,255,.24)}
.footer-desc{margin-top:16px;max-width:330px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:rgba(255,255,255,.76);transition:background .24s ease,color .24s ease,transform .24s ease,border-color .24s ease}
.footer-social a:hover{background-image:var(--grad-brand);border-color:transparent;color:#fff;transform:translateY(-2px)}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--c-primary-light)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-contact li+li{margin-top:12px}
.footer-contact i{margin-top:5px;color:var(--c-primary-light);flex:none}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 断点 ===== */
@media (max-width:900px){
  .nav-links{display:none}
  .nav-cta .btn{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:640px){
  .topbar{height:36px;font-size:12px}
  .topbar-text{max-width:140px}
  .cd-label{display:none}
  .countdown .cd-unit:nth-child(5){display:none}
  .hero{min-height:520px;padding:132px 0 96px}
  .hero::after{height:34px;border-radius:34px 34px 0 0}
  .hero-badges{margin-top:32px}
  .hb{padding:10px 16px}
  .hb strong{font-size:20px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .feature-body{padding:22px 20px 26px}
  .stats-band{padding:26px 18px;border-radius:22px}
  .stat{padding:16px 16px}
  .cta-card{padding:30px 20px}
  .signup-form{padding:22px 18px}
  .faq-item summary{padding:17px 18px 17px 24px;font-size:16px}
  .faq-body{padding:0 24px 20px}
  .site-footer{padding-top:48px}
}
@media (min-width:641px){
  .wall{column-count:2}
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:900px){
  .hero{padding:176px 0 122px}
  .feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
  .feature-col.right{margin-top:32px}
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .wall{column-count:3}
  .cta-card{grid-template-columns:1.08fr .92fr;align-items:center;gap:56px;padding:56px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
}
@media (min-width:1000px){
  .post-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1200px){
  .container{max-width:1200px}
}

/* roulang page: category1 */
:root{
  --brand:#12AC96;
  --brand-deep:#0E8F7E;
  --brand-dark:#0B6E62;
  --brand-light:#6FD9C6;
  --amber:#FFB020;
  --amber-deep:#E5930B;
  --coral:#FF6B5E;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --line:#E2E7E4;
  --ink:#0B1A18;
  --ink-2:#22332F;
  --ink-3:#5C6F6B;
  --white:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#12AC96 0%,#0E8F7E 55%,#0B6E62 100%);
  --grad-accent:linear-gradient(120deg,#FFC24D 0%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,26,24,.04),0 12px 32px -12px rgba(11,26,24,.14);
  --sh-2:0 20px 44px -16px rgba(14,143,126,.28);
  --sec-y:72px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
@media (min-width:900px){:root{--sec-y:96px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-deep);text-decoration:none;background:none}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:-0.01em;color:var(--ink)}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;color:var(--ink)}
h3{font-size:21px;line-height:1.4;font-weight:700;color:var(--ink)}
p{font-size:16px;line-height:1.85;color:var(--ink-2)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:900px){.container{padding:0 32px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  padding:15px 28px;transition:all .26s ease;white-space:nowrap;
}
.btn i{transition:transform .26s ease}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:180% 100%;
  background-position:0% 50%;
  color:var(--white);
  box-shadow:0 10px 26px -12px rgba(14,143,126,.65);
}
.btn-primary:hover,.btn-primary:focus{
  background-position:100% 50%;
  color:var(--white);
  transform:translateY(-2px);
  box-shadow:0 18px 34px -14px rgba(14,143,126,.7);
}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  background:rgba(255,255,255,.9);
  border-color:var(--brand);
  color:var(--brand-deep);
}
.btn-ghost:hover{background:rgba(18,172,150,.09);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{
  background:#fff;border-color:var(--line);color:var(--ink-2);
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:rgba(18,172,150,.07)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%;padding:16px 24px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ 头部 / 导航 ============ */
.site-header{position:absolute;top:0;left:0;right:0;z-index:80;transition:transform .28s ease}
.site-header .topbar{
  display:block;background:var(--grad-brand);padding:0;border:none;
  min-height:40px;line-height:1.4;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:40px;padding-top:6px;padding-bottom:6px;
}
.topbar-left{display:flex;align-items:center;gap:9px;min-width:0}
.pulse-dot{
  width:8px;height:8px;border-radius:50%;background:#FFE7A8;flex:none;
  box-shadow:0 0 0 0 rgba(255,231,168,.7);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,231,168,.6)}
  70%{box-shadow:0 0 0 10px rgba(255,231,168,0)}
  100%{box-shadow:0 0 0 0 rgba(255,231,168,0)}
}
.topbar-text{font-size:13px;color:#fff;opacity:.95;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.countdown{display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums}
.cd-label{font-size:12px;color:rgba(255,255,255,.82);letter-spacing:.06em}
.cd-unit{display:inline-flex;align-items:baseline;gap:2px}
.cd-unit b{
  font-size:15px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.16);border-radius:8px;padding:1px 7px;
}
.cd-unit i{font-style:normal;font-size:12px;color:rgba(255,255,255,.82)}
.cd-unit b.tick{animation:fadeTick .2s ease}
@keyframes fadeTick{from{opacity:.25}to{opacity:1}}

.main-nav{
  position:relative;
  background:rgba(255,255,255,.14);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 24px -16px rgba(0,0,0,.35);
  transition:background .28s ease,box-shadow .28s ease,height .28s ease;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .28s ease}
.logo{display:inline-flex;align-items:center;gap:9px;color:#fff}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  background-image:var(--grad-accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;color:#5A2E00;
  box-shadow:0 6px 16px -8px rgba(255,138,61,.9);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.02em;line-height:1}
.logo-sub{font-size:12px;letter-spacing:.14em;opacity:.86;padding-left:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links li{list-style:none}
.nav-links a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:#fff;transition:color .24s ease,background .24s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background-image:var(--grad-accent);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{font-weight:700}
.nav-links a:hover{background:rgba(255,255,255,.12)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn-primary{background-image:var(--grad-accent);color:#4A2500;box-shadow:0 10px 24px -12px rgba(255,138,61,.9)}
.nav-cta .btn-primary:hover{color:#4A2500}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.14);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#fff;transition:transform .28s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.site-header.is-stuck{position:fixed;animation:slideDown .3s ease}
@keyframes slideDown{from{transform:translateY(-16px);opacity:.6}to{transform:translateY(0);opacity:1}}
.site-header.is-stuck .main-nav{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -18px rgba(11,26,24,.4);
}
.site-header.is-stuck .nav-inner{height:64px}
.site-header.is-stuck .logo{color:var(--ink)}
.site-header.is-stuck .logo-sub{color:var(--ink-3)}
.site-header.is-stuck .nav-links a{color:var(--ink-2)}
.site-header.is-stuck .nav-links a:hover{background:rgba(18,172,150,.08);color:var(--brand-dark)}
.site-header.is-stuck .nav-links a.active{color:var(--brand-dark)}
.site-header.is-stuck .nav-toggle{border-color:var(--line);background:rgba(18,172,150,.06)}
.site-header.is-stuck .nav-toggle span{background:var(--ink-2)}

.nav-mask{
  position:fixed;inset:0;background:rgba(11,26,24,.42);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:70;
}
body.nav-open .nav-mask{opacity:1;visibility:visible}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;padding:150px 0 64px;overflow:hidden;
  background-color:var(--brand-dark);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(11,110,98,.94) 0%,rgba(14,143,126,.86) 45%,rgba(11,26,24,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:48px;
  background:var(--bg);border-radius:48px 48px 0 0;
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb span{opacity:.6}
.crumb-cur{color:#fff;font-weight:600}
.page-hero h1{color:#fff;max-width:16em}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:44em}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:13px;color:#fff;
}
.fact i{color:var(--brand-light)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:34px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.2);
}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.92);transition:all .24s ease;
}
.anchor-bar a:hover{background:rgba(255,255,255,.94);color:var(--brand-dark);transform:translateY(-2px)}
.anchor-bar a i{font-size:11px;opacity:.8}

/* ============ 速览数字带 ============ */
.stat-band{margin-top:-26px;position:relative;z-index:5}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-item{
  padding:26px 24px;border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none}
.stat-num{
  display:flex;align-items:baseline;gap:4px;
  font-size:26px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.04em}
.stat-item p{margin-top:6px;font-size:13px;color:var(--ink-3);line-height:1.6}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--brand-deep);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-accent);border-radius:2px}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-3)}
.section-head.on-dark h2{color:#fff}
.section-head.on-dark p{color:rgba(255,255,255,.72)}
.section-head.on-dark .eyebrow{color:var(--brand-light)}

/* ============ 交错长列表 ============ */
.zz-list{display:flex;flex-direction:column;gap:64px}
.zz-item{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  scroll-margin-top:120px;
}
.zz-item:nth-child(even) .zz-media{order:2}
.zz-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);background:#fff;border:1px solid var(--line);
}
.zz-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease}
.zz-item:hover .zz-media img{transform:scale(1.04)}
.zz-media::after{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s ease;
  background:linear-gradient(150deg,rgba(18,172,150,.34),rgba(11,26,24,.12));
}
.zz-item:hover .zz-media::after{opacity:1}
.zz-badge{
  position:absolute;left:18px;top:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);backdrop-filter:blur(6px);
  font-size:12px;font-weight:700;color:var(--brand-dark);letter-spacing:.06em;
}
.zz-body{max-width:520px}
.zz-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:18px;
  background:rgba(18,172,150,.1);border:1px solid rgba(18,172,150,.24);
  color:var(--brand-deep);font-size:19px;font-weight:800;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.zz-body h3{font-size:clamp(21px,2.2vw,26px);line-height:1.35}
.zz-body p{margin-top:14px;color:var(--ink-3);font-size:16px}
.zz-body p strong{color:var(--ink-2);font-weight:600}
.zz-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
}
.zz-link i{transition:transform .26s ease}
.zz-link:hover i{transform:translateX(4px)}
.zz-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;background:rgba(18,172,150,.09);
  color:var(--brand-dark);border:1px solid rgba(18,172,150,.2);
}
.tag.tag-amber{background:rgba(255,176,32,.14);color:var(--amber-deep);border-color:rgba(255,176,32,.32)}
.tag.tag-coral{background:rgba(255,107,94,.12);color:#D8402F;border-color:rgba(255,107,94,.3)}

/* ============ 备忘清单 ============ */
.memo-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:40px 36px;
}
.memo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 40px;margin-top:8px}
.memo-item{
  position:relative;padding:6px 0 6px 22px;border-left:3px solid var(--brand);
}
.memo-item h3{font-size:17px;margin-bottom:6px}
.memo-item p{font-size:15px;color:var(--ink-3);line-height:1.75}
.memo-note{
  margin-top:30px;padding:16px 20px;border-radius:var(--r-sm);
  background:rgba(18,172,150,.07);border-left:3px solid var(--amber);
  font-size:14px;color:var(--ink-2);
}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .28s ease,border-color .28s ease;
}
.faq-item.is-open{border-color:rgba(18,172,150,.4);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q .plus{
  position:relative;width:22px;height:22px;flex:none;border-radius:50%;
  background:rgba(18,172,150,.1);transition:transform .3s ease,background .3s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:10px;height:2px}
.faq-q .plus::after{width:2px;height:10px;transition:opacity .25s ease}
.faq-item.is-open .faq-q .plus{transform:rotate(90deg);background:rgba(18,172,150,.2)}
.faq-item.is-open .faq-q .plus::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{
  padding:0 24px 24px 24px;font-size:15px;line-height:1.85;color:var(--ink-3);
  border-left:3px solid var(--brand);margin-left:24px;padding-left:18px;
}
.faq-item.is-open .faq-a{max-height:420px}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:var(--grad-brand);
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  padding:48px 44px;color:#fff;
  box-shadow:0 26px 60px -28px rgba(14,143,126,.7);
}
.cta-card::before{
  content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;border-radius:50%;
  background-image:radial-gradient(rgba(255,255,255,.28) 1.4px,transparent 1.4px);
  background-size:16px 16px;opacity:.5;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.6vw,32px)}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.88);font-size:16px;max-width:32em}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);font-size:13px;
}
.cta-points i{color:#FFE7A8}
.signup-form{
  position:relative;z-index:2;background:rgba(255,255,255,.98);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:0 20px 44px -20px rgba(11,26,24,.4);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--ink-2);transition:border-color .22s ease,box-shadow .22s ease;
  font-family:inherit;
}
.field input::placeholder{color:#9AA9A5}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,172,150,.16);
}
.field.has-error input,.field.has-error select{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,107,94,.14)}
.field-error{display:none;margin-top:6px;font-size:12px;color:#D8402F}
.field.has-error .field-error{display:block}
.form-note{margin-top:12px;font-size:12px;color:var(--ink-3);text-align:center}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(18,172,150,.1);border:1px solid rgba(18,172,150,.28);
  font-size:13px;color:var(--brand-dark);text-align:center;
}
.form-success.show{display:block}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec-y);
  background:#0B1A18;color:#fff;border-radius:28px 28px 0 0;
  padding:64px 0 0;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:30em}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.82);transition:all .24s ease;
}
.footer-social a:hover{background:rgba(18,172,150,.24);border-color:rgba(18,172,150,.5);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .22s ease}
.footer-links a:hover{color:var(--brand-light)}
.footer-contact li{
  display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:13px;line-height:1.7;
}
.footer-contact i{color:var(--brand-light);margin-top:4px;flex:none}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);text-align:center;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .zz-item{gap:36px}
  .cta-card{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
    background:#0B1A18;flex-direction:column;align-items:stretch;gap:6px;
    padding:110px 26px 34px;transform:translateX(101%);
    transition:transform .32s ease;z-index:75;overflow-y:auto;
    box-shadow:-20px 0 60px -20px rgba(0,0,0,.6);
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-links a{
    color:rgba(255,255,255,.86);font-size:16px;padding:14px 4px;border-radius:10px;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .nav-links a::after{display:none}
  .nav-links a:hover,.nav-links a.active{background:transparent;color:var(--brand-light)}
  .site-header.is-stuck .nav-links a{color:rgba(255,255,255,.86)}
  .site-header.is-stuck .nav-links a.active{color:var(--brand-light)}
  .site-header.is-stuck .nav-toggle span{background:#fff}
  .site-header.is-stuck .nav-toggle{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.14)}
  .topbar-text{max-width:52vw}
  .cd-label{display:none}
  .page-hero{padding:132px 0 56px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .zz-item{grid-template-columns:1fr;gap:24px}
  .zz-item:nth-child(even) .zz-media{order:0}
  .zz-media img{aspect-ratio:16/10}
  .zz-body{max-width:none}
  .memo-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .topbar-inner{flex-wrap:nowrap}
  .topbar-text{font-size:12px;max-width:44vw}
  .countdown{gap:6px}
  .cd-unit b{font-size:13px;padding:1px 5px}
  .cd-unit i{font-size:11px}
  .nav-cta .btn-sm{padding:9px 14px;font-size:13px}
  .page-hero{padding:118px 0 48px}
  .page-hero h1{max-width:none}
  .hero-lead{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .anchor-bar a{font-size:12px;padding:7px 13px}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:22px 20px}
  .stat-item:last-child{border-bottom:none}
  .memo-wrap{padding:28px 22px}
  .faq-q{font-size:15.5px;padding:18px 18px}
  .faq-a-inner{margin-left:18px;padding:0 18px 20px 14px}
  .cta-card{padding:32px 22px;border-radius:var(--r-md)}
  .signup-form{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:52px;border-radius:22px 22px 0 0}
}

/* Foundation 默认样式覆盖 */
body,button,input,select,textarea{font-family:var(--font)}
.topbar{background:var(--grad-brand);border:none;padding:0}
.site-header .topbar{background-image:var(--grad-brand)}
.grid-x>.cell{padding-left:0;padding-right:0}
a:hover,a:focus{color:var(--brand)}
.button{margin:0}

/* roulang page: article */
:root{
  --brand:#12AC96;
  --brand-deep:#0E8F7E;
  --brand-dark:#0B6E62;
  --brand-light:#6FD9C6;
  --amber:#FFB020;
  --amber-deep:#E5930B;
  --coral:#FF6B5E;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --line:#E2E7E4;
  --ink:#0B1A18;
  --ink-2:#22332F;
  --ink-3:#5C6F6B;
  --white:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#12AC96 0%,#0E8F7E 55%,#0B6E62 100%);
  --grad-warm:linear-gradient(120deg,#FFC24D 0%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,26,24,.04),0 12px 32px -12px rgba(11,26,24,.14);
  --sh-2:0 20px 44px -16px rgba(14,143,126,.28);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:900px){.container{padding:0 32px}}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dd,dt,blockquote,table,button,input,select,textarea{font-family:inherit}
a{color:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:12px 26px;
  transition:transform .22s ease,box-shadow .22s ease,background-position .45s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;border:1px solid transparent;line-height:1.4;
}
.btn-primary{
  background-image:var(--grad-brand);background-size:170% 100%;background-position:0% 50%;
  color:#fff;box-shadow:0 12px 26px -14px rgba(14,143,126,.8);
}
.btn-primary:hover{color:#fff;background-position:100% 50%;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
.btn-ghost:hover{background:rgba(18,172,150,.08);color:var(--brand-deep);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn i{transition:transform .22s ease}
.btn:hover i{transform:translateX(4px)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

/* ============ 页头 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:90}
.topbar{height:40px;background:var(--grad-brand);color:#fff;font-size:13px}
.topbar-inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1200px}
.topbar-left{display:flex;align-items:center;gap:9px;min-width:0}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.95)}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:#FFD37A;flex:none;animation:pulse 1.9s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,211,122,.75)}70%{box-shadow:0 0 0 9px rgba(255,211,122,0)}100%{box-shadow:0 0 0 0 rgba(255,211,122,0)}}
.countdown{display:flex;align-items:center;gap:12px;font-variant-numeric:tabular-nums;flex:none}
.cd-label{font-size:12px;color:rgba(255,255,255,.78)}
.cd-unit{display:inline-flex;align-items:baseline;gap:2px}
.cd-unit b{font-size:14px;font-weight:700;letter-spacing:.02em}
.cd-unit i{font-style:normal;font-size:11px;color:rgba(255,255,255,.78)}

.main-nav{
  position:relative;height:72px;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 24px -16px rgba(0,0,0,.35);
  transition:background .28s ease,height .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  display:grid;place-items:center;font-size:18px;font-weight:800;color:#fff;
  box-shadow:0 6px 16px -8px rgba(11,26,24,.6);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.02em;color:#fff;line-height:1}
.logo-sub{font-size:12px;color:rgba(255,255,255,.78);padding-left:10px;border-left:1px solid rgba(255,255,255,.32);line-height:1}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;font-size:15px;color:rgba(255,255,255,.92);padding:8px 0;display:inline-block}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-warm);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.16);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;transition:background .22s ease}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .26s ease,opacity .26s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.site-header.is-stuck .main-nav{
  background:rgba(255,255,255,.95);height:64px;border-bottom-color:var(--line);
  box-shadow:0 10px 30px -18px rgba(11,26,24,.35);
}
.site-header.is-stuck .logo-text{color:var(--ink)}
.site-header.is-stuck .logo-sub{color:var(--ink-3);border-left-color:var(--line)}
.site-header.is-stuck .nav-links a{color:var(--ink-2)}
.site-header.is-stuck .nav-links a:hover{color:var(--brand)}
.site-header.is-stuck .nav-toggle{background:rgba(11,26,24,.06)}
.site-header.is-stuck .nav-toggle span{background:var(--ink)}

@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(11,26,24,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    padding:0 20px;border-radius:0 0 22px 22px;
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;
    transition:max-height .32s ease,opacity .32s ease,padding .32s ease;
  }
  .nav-links.open{max-height:340px;opacity:1;pointer-events:auto;padding:10px 20px 20px}
  .nav-links li{border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links li:last-child{border-bottom:0}
  .nav-links a{display:block;padding:14px 2px;color:#fff !important;font-size:15px}
  .nav-links a::after{display:none}
  .site-header.is-stuck .nav-links a{color:#fff !important}
}

/* ============ 文章页首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:158px 0 72px;background:#0B1A18;
  border-radius:0 0 40px 40px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(11,26,24,.86),rgba(11,26,24,.92)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(18,172,150,.42) 0%,rgba(11,110,98,.16) 60%,rgba(11,26,24,.05) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.84)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:rgba(255,255,255,.6);max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-title{
  font-size:clamp(26px,3.8vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.01em;
  color:#fff;max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:22px;font-size:13px;color:rgba(255,255,255,.78)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--brand-light)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);display:inline-block}

/* ============ 正文区 ============ */
.article-section{padding:56px 0 40px}
.article-shell{
  max-width:820px;margin:0 auto;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px 22px;
}
@media (min-width:900px){.article-shell{padding:56px 64px}}

.article-body{font-size:16px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.3vw,25px);line-height:1.42;font-weight:700;color:var(--ink);
  margin:44px 0 18px;padding:24px 0 0 18px;border-top:1px solid var(--line);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:27px;width:4px;height:22px;border-radius:2px;background:var(--grad-brand);
}
.article-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);margin:30px 0 12px}
.article-body h4{font-size:16px;font-weight:700;color:var(--ink);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em}
.article-body li{position:relative;padding-left:22px;margin-bottom:9px}
.article-body ul li::before{content:"";position:absolute;left:3px;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--brand-light)}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc;padding-left:32px}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.42em;width:21px;height:21px;border-radius:50%;
  background:rgba(18,172,150,.12);color:var(--brand-deep);font-size:12px;font-weight:700;
  display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--amber);
  background:rgba(18,172,150,.07);border-radius:12px;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(18,172,150,.42)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body thead th{background:rgba(18,172,150,.08);color:var(--ink);font-weight:700}
.article-body tbody tr:nth-child(even){background:#FAFCFB}
.article-body code{background:rgba(11,26,24,.06);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ============ 文末操作 ============ */
.article-foot{margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.tag-label{font-size:13px;color:var(--ink-3);letter-spacing:.06em;margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 15px;border-radius:var(--r-pill);
  font-size:13px;letter-spacing:.03em;background:rgba(18,172,150,.1);color:var(--brand-deep);
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.action-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.chip-btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);
  transition:all .24s ease;
}
.chip-btn:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.chip-btn.on{background:rgba(18,172,150,.1);border-color:var(--brand);color:var(--brand-deep)}

.prev-next{display:grid;grid-template-columns:1fr;gap:14px;margin-top:30px}
@media (min-width:640px){.prev-next{grid-template-columns:1fr 1fr}}
.pn-item{
  display:block;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.pn-item:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-2px)}
.pn-label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-3);letter-spacing:.06em;margin-bottom:8px}
.pn-title{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.pn-item:hover .pn-title{color:var(--brand)}
.pn-next{text-align:right}
.pn-next .pn-label{justify-content:flex-end}

/* ============ 空状态 ============ */
.empty-state{text-align:center;padding:56px 12px 40px}
.es-icon{
  width:74px;height:74px;border-radius:24px;margin:0 auto 22px;
  background:rgba(18,172,150,.1);color:var(--brand);display:grid;place-items:center;font-size:28px;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--ink-3);margin-bottom:26px}

/* ============ 相关推荐 ============ */
.related-section{padding:56px 0 24px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.section-title{font-size:clamp(22px,2.5vw,30px);font-weight:700;color:var(--ink);line-height:1.3}
.section-desc{font-size:15px;color:var(--ink-3);margin-top:8px}
.section-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.section-more:hover{color:var(--brand-dark);gap:10px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media (min-width:700px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.res-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,172,150,.4)}
.res-thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:#E9F2EF}
.res-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.res-card:hover .res-thumb img{transform:scale(1.04)}
.res-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.res-cat{
  align-self:flex-start;font-size:12px;letter-spacing:.06em;color:var(--brand-deep);
  background:rgba(18,172,150,.1);padding:3px 11px;border-radius:var(--r-pill);
}
.res-title{
  font-size:17px;font-weight:700;line-height:1.48;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s ease;
}
.res-card:hover .res-title{color:var(--brand)}
.res-time{font-size:12px;color:var(--ink-3);margin-top:auto;padding-top:6px}

/* ============ 返回条 ============ */
.back-strip{padding:40px 0 80px}
.back-inner{
  position:relative;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:22px;padding:34px 30px;border-radius:var(--r-lg);
  background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);
}
.back-inner::after{
  content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 65%);
}
.back-copy{position:relative;z-index:2;max-width:560px}
.back-copy h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35}
.back-copy p{font-size:14px;color:rgba(255,255,255,.86);margin-top:8px}
.back-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
.btn-light{background:#fff;color:var(--brand-deep);border-color:#fff}
.btn-light:hover{background:#F2FBF9;color:var(--brand-dark)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  background:#0B1A18;color:rgba(255,255,255,.7);
  border-radius:28px 28px 0 0;padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.35fr}}
.footer-brand .logo{margin-bottom:18px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:360px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;color:rgba(255,255,255,.75);transition:all .24s ease;
}
.footer-social a:hover{background:rgba(18,172,150,.2);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--brand-light)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:14px;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--brand-light);margin-top:7px;flex:none}
.footer-bottom{margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);text-align:center;font-size:13px;color:rgba(255,255,255,.55)}

@media (max-width:640px){
  .page-hero{padding:142px 0 56px;border-radius:0 0 28px 28px}
  .countdown .cd-unit:nth-child(4){display:none}
  .meta-row{font-size:12px;gap:6px 10px}
  .article-shell{padding:22px 18px}
  .back-inner{padding:26px 22px}
  .back-actions{width:100%}
  .back-actions .btn{flex:1;justify-content:center}
}

/* roulang page: category3 */
:root{
  --brand:#12AC96;
  --brand-deep:#0E8F7E;
  --brand-deeper:#0B6E62;
  --brand-light:#6FD9C6;
  --amber:#FFB020;
  --amber-deep:#E5930B;
  --coral:#FF6B5E;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --line:#E2E7E4;
  --ink:#0B1A18;
  --ink-2:#22332F;
  --ink-3:#5C6F6B;
  --white:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#12AC96 0%,#0E8F7E 55%,#0B6E62 100%);
  --grad-accent:linear-gradient(120deg,#FFC24D 0%,#FF8A3D 100%);
  --dark:#0B1A18;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,26,24,.04),0 12px 32px -12px rgba(11,26,24,.14);
  --sh-2:0 20px 44px -16px rgba(14,143,126,.28);
  --sec:72px;
  --nav-h:72px;
  --top-h:40px;
}
@media (min-width:900px){
  :root{--sec:96px;--nav-h:72px;}
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,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;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,172,150,.18);border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:900px){
  .container{padding:0 32px;}
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  max-height:44px;
  overflow:hidden;
  background:var(--grad-brand);
  transition:max-height .28s ease;
}
.topbar-inner{
  height:var(--top-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;}
.pulse-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 0 rgba(255,176,32,.7);
  animation:pulse 2s infinite;
  flex:none;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,176,32,.6);}
  70%{box-shadow:0 0 0 10px rgba(255,176,32,0);}
  100%{box-shadow:0 0 0 0 rgba(255,176,32,0);}
}
.topbar-text{
  color:#fff;font-size:13px;line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.countdown{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:13px;
  font-variant-numeric:tabular-nums;
  flex:none;
}
.cd-label{opacity:.82;}
.cd-unit{display:inline-flex;align-items:baseline;gap:2px;}
.cd-unit b{
  font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
  min-width:22px;text-align:center;
  transition:opacity .2s ease;
}
.cd-unit i{font-style:normal;opacity:.82;font-size:12px;}
.cd-unit b.tick{opacity:.45;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
}
.main-nav{
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 24px -16px rgba(0,0,0,.35);
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  transition:height .28s ease;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:none;
}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-accent);
  color:#0B1A18;
  font-weight:800;font-size:18px;
  display:grid;place-items:center;
  letter-spacing:0;
  box-shadow:0 6px 16px -8px rgba(229,147,11,.9);
}
.logo-text{
  font-size:20px;font-weight:800;letter-spacing:.02em;
  color:#fff;line-height:1;
  transition:color .28s ease;
}
.logo-sub{
  font-size:12px;letter-spacing:.06em;
  color:rgba(255,255,255,.8);
  padding-left:8px;border-left:1px solid rgba(255,255,255,.35);
  line-height:1.2;
  transition:color .28s ease,border-color .28s ease;
}
.nav-links{
  display:none;
  align-items:center;
  gap:28px;
  margin:0;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:rgba(255,255,255,.94);
  padding:6px 0;
  transition:color .22s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;border-radius:2px;
  background:var(--grad-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a:hover,
.nav-links a.active{color:#fff;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;gap:4px;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.12);
  transition:background-color .2s ease,border-color .28s ease;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;
  background:#fff;
  transition:background-color .28s ease,transform .24s ease,opacity .24s ease;
}
.nav-toggle span+span{margin-top:4px;}

/* 吸顶状态 */
.site-header.is-stuck .main-nav{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--line);
  box-shadow:0 10px 28px -18px rgba(11,26,24,.4);
}
.site-header.is-stuck .topbar{max-height:0;}
.site-header.is-stuck .nav-inner{height:64px;}
.site-header.is-stuck .logo-text{color:var(--ink);}
.site-header.is-stuck .logo-sub{color:var(--ink-3);border-left-color:var(--line);}
.site-header.is-stuck .nav-links a{color:var(--ink-2);}
.site-header.is-stuck .nav-links a:hover,
.site-header.is-stuck .nav-links a.active{color:var(--brand-deep);}
.site-header.is-stuck .nav-toggle{border-color:var(--line);background:rgba(18,172,150,.08);}
.site-header.is-stuck .nav-toggle span{background:var(--ink);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(11,26,24,.55);
  opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
}
.mobile-drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:#fff;
  padding:28px 24px;
  transform:translateX(100%);
  transition:transform .3s ease;
  overflow-y:auto;
  border-top-left-radius:24px;
  border-bottom-left-radius:24px;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:18px;border-bottom:1px solid var(--line);
  margin-bottom:18px;
}
.drawer-close{
  width:36px;height:36px;border-radius:50%;
  background:var(--bg);color:var(--ink-2);
  display:grid;place-items:center;font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;
  font-size:16px;color:var(--ink-2);
}
.drawer-nav a.active{background:rgba(18,172,150,.1);color:var(--brand-deeper);font-weight:600;}
.drawer-nav a:hover{background:var(--bg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,filter .18s ease;
  white-space:nowrap;
}
.btn i{transition:transform .22s ease;}
.btn:hover i{transform:translateX(4px);}
.btn-primary{
  background:var(--grad-brand);
  background-size:160% 100%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(14,143,126,.75);
}
.btn-primary:hover{
  background-position:100% 50%;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  color:#fff;
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-deeper);
}
.btn-ghost:hover{background:rgba(18,172,150,.08);transform:translateY(-2px);color:var(--brand-deeper);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.97);}
.btn-light{
  background:rgba(255,255,255,.16);
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-light:hover{background:rgba(255,255,255,.28);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 内页 Banner ---------- */
.page-banner{
  position:relative;
  padding:calc(var(--top-h) + var(--nav-h) + 52px) 0 76px;
  background-image:linear-gradient(120deg,rgba(11,110,98,.94) 0%,rgba(14,143,126,.86) 48%,rgba(18,172,150,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  left:-8%;right:-8%;bottom:-42px;
  height:80px;
  background:var(--bg);
  border-radius:48px 48px 0 0;
}
.banner-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:end;
  position:relative;
  z-index:2;
}
@media (min-width:960px){
  .banner-grid{grid-template-columns:1.35fr .95fr;}
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.7;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;letter-spacing:.06em;
  margin-bottom:18px;
}
.banner-tag i{color:var(--amber);}
.page-banner h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.banner-lead{
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.9);
  max-width:640px;
  margin-bottom:26px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-panel{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-lg);
  padding:26px;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.banner-panel h2{
  font-size:16px;font-weight:600;color:#fff;
  margin-bottom:16px;
}
.banner-steps{display:flex;flex-direction:column;gap:14px;}
.banner-steps li{
  display:flex;gap:12px;
  font-size:14px;color:rgba(255,255,255,.88);
  line-height:1.6;
}
.banner-steps b{
  flex:none;
  width:24px;height:24px;border-radius:8px;
  background:rgba(255,255,255,.2);
  display:grid;place-items:center;
  font-size:12px;font-weight:700;
  color:#fff;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-alt{background:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;
  color:var(--brand-deeper);
  background:rgba(18,172,150,.1);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:14px;
}
.section-head p{color:var(--ink-3);font-size:16px;}

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;
  max-width:920px;
  margin:0 auto;
}
.timeline::before{
  content:"";
  position:absolute;
  left:22px;top:16px;bottom:24px;
  width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-light) 62%,rgba(111,217,198,0) 100%);
}
@media (min-width:768px){
  .timeline::before{left:27px;}
}
.tl-item{
  position:relative;
  padding-left:66px;
  margin-bottom:32px;
}
.tl-item:last-child{margin-bottom:0;}
@media (min-width:768px){
  .tl-item{padding-left:96px;margin-bottom:40px;}
}
.tl-node{
  position:absolute;
  left:0;top:0;
  width:46px;height:46px;
  border-radius:16px;
  background:var(--grad-brand);
  color:#fff;
  display:grid;place-items:center;
  font-weight:700;
  font-size:17px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 12px 26px -14px rgba(14,143,126,.8);
  z-index:2;
}
@media (min-width:768px){
  .tl-node{width:56px;height:56px;border-radius:18px;font-size:20px;}
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 22px 20px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.tl-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(18,172,150,.32);
}
@media (min-width:768px){
  .tl-card{padding:28px 32px 26px;}
}
.tl-meta{
  display:flex;align-items:center;gap:10px;
  font-size:12px;color:var(--ink-3);
  margin-bottom:10px;
}
.tl-meta .chip{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:rgba(255,176,32,.16);
  color:var(--amber-deep);
  font-size:12px;letter-spacing:.04em;
}
.tl-card h3{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  color:var(--ink);
  margin-bottom:10px;
}
@media (min-width:768px){
  .tl-card h3{font-size:22px;}
}
.tl-card p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px;}
.point-list{display:flex;flex-direction:column;gap:10px;}
.point-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--ink-3);
  line-height:1.7;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:2px;top:.68em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 3px rgba(18,172,150,.14);
}

/* ---------- 数据徽章带 ---------- */
.stats-band{
  padding:0 0 var(--sec);
  background:linear-gradient(180deg,var(--bg) 0%,#EAF4F1 50%,var(--bg) 100%);
}
.stats-card{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
}
@media (min-width:900px){
  .stats-card{grid-template-columns:repeat(4,1fr);padding:34px 36px;gap:24px;}
}
.stat{
  text-align:center;
  padding:10px 6px;
  border-right:1px solid var(--line);
}
.stat:nth-child(2n){border-right:0;}
@media (min-width:900px){
  .stat{border-right:1px solid var(--line);}
  .stat:nth-child(2n){border-right:1px solid var(--line);}
  .stat:last-child{border-right:0;}
}
.stat b{
  display:block;
  font-size:26px;
  font-weight:700;
  color:var(--brand-deeper);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
@media (min-width:900px){
  .stat b{font-size:30px;}
}
.stat b em{font-style:normal;font-size:13px;color:var(--ink-3);margin-left:4px;font-weight:500;}
.stat span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 准备清单 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:900px){
  .split{grid-template-columns:1fr 1.05fr;gap:56px;}
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  position:relative;
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform .4s ease;
}
.split-media:hover img{transform:scale(1.04);}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.check-item{
  display:flex;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.check-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(18,172,150,.3);
}
.check-icon{
  flex:none;
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(18,172,150,.12);
  color:var(--brand-deeper);
  display:grid;place-items:center;
  font-size:17px;
}
.check-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--ink-3);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-wrap .accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-wrap .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-wrap .accordion-item.is-active{
  border-color:rgba(18,172,150,.34);
  box-shadow:var(--sh-2);
}
.faq-wrap .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-2);
  border:0;
  background:transparent;
  position:relative;
  transition:color .2s ease;
}
.faq-wrap .accordion-title::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  opacity:0;
  transition:opacity .24s ease;
}
.faq-wrap .accordion-item.is-active .accordion-title{color:var(--brand-deeper);}
.faq-wrap .accordion-item.is-active .accordion-title::before{opacity:1;}
.faq-wrap .accordion-title::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand);
  transition:transform .26s ease;
  flex:none;
}
.faq-wrap .accordion-item.is-active .accordion-title::after{
  content:"\f068";
  transform:rotate(90deg);
}
.faq-wrap .accordion-content{
  border:0;
  padding:0 22px 22px;
  background:transparent;
  color:var(--ink-3);
  font-size:15px;
  line-height:1.8;
}
.faq-wrap .accordion-content p{margin:0;}

/* ---------- CTA 大卡 ---------- */
.cta-section{padding:0 0 var(--sec);}
.cta-card{
  position:relative;
  background:var(--grad-brand);
  border-radius:var(--r-lg);
  padding:36px 24px;
  overflow:hidden;
  color:#fff;
  box-shadow:0 28px 60px -30px rgba(11,110,98,.7);
}
@media (min-width:900px){
  .cta-card{padding:48px 52px;}
}
.cta-card::before{
  content:"";
  position:absolute;
  right:-30px;top:-30px;
  width:260px;height:260px;
  background-image:radial-gradient(rgba(255,255,255,.22) 1.6px,transparent 1.6px);
  background-size:16px 16px;
  opacity:.7;
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:900px){
  .cta-grid{grid-template-columns:1.05fr .95fr;gap:52px;}
}
.cta-copy h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.25;
  font-weight:700;
  margin-bottom:14px;
  color:#fff;
}
.cta-copy p{
  font-size:15.5px;
  color:rgba(255,255,255,.9);
  margin-bottom:20px;
  max-width:520px;
}
.cta-points{display:flex;flex-direction:column;gap:10px;}
.cta-points li{
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;
  color:rgba(255,255,255,.92);
}
.cta-points i{color:var(--amber);font-size:13px;}
.cta-form{
  background:#fff;
  border-radius:var(--r-lg);
  padding:26px 22px;
  box-shadow:0 20px 44px -22px rgba(11,26,24,.45);
}
@media (min-width:900px){
  .cta-form{padding:30px 28px;}
}
.cta-form h3{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.cta-form .form-hint{
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:20px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:7px;
}
.field input,
.field select{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%235C6F6B' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:36px;
}
.field input::placeholder{color:#9AA9A5;}
.field input:focus,
.field select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(18,172,150,.16);
}
.field.error input,
.field.error select{
  border-color:var(--coral);
  box-shadow:0 0 0 4px rgba(255,107,94,.14);
}
.field .err-msg{
  display:none;
  margin-top:6px;
  font-size:12.5px;
  color:var(--coral);
}
.field.error .err-msg{display:block;}
.form-note{
  margin-top:14px;
  font-size:12.5px;
  color:var(--ink-3);
  line-height:1.7;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  border-top-left-radius:28px;
  border-top-right-radius:28px;
  padding:64px 0 26px;
  margin-top:24px;
  color:rgba(255,255,255,.7);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.72);border-left-color:rgba(255,255,255,.24);}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:340px;
  margin-bottom:20px;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;
  color:rgba(255,255,255,.72);
  font-size:15px;
  transition:border-color .22s ease,color .22s ease,background-color .22s ease;
}
.footer-social a:hover{
  color:var(--brand-light);
  border-color:rgba(111,217,198,.6);
  background:rgba(18,172,150,.12);
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.7);
}
.footer-links a:hover{color:var(--brand-light);}
.footer-contact{display:flex;flex-direction:column;gap:13px;}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.7);
}
.footer-contact i{color:var(--brand-light);margin-top:4px;font-size:13px;}
.footer-bottom{
  padding-top:24px;
  text-align:center;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(255,255,255,.5);
}

@media (max-width:640px){
  .countdown .cd-label{display:none;}
  .countdown .cd-unit:nth-child(5){display:none;}
  .topbar-text{font-size:12px;}
  .stat{border-right:0;}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .page-banner{padding-top:calc(var(--top-h) + var(--nav-h) + 36px);}
}

/* roulang page: category2 */
:root{
  --c-primary:#12AC96;
  --c-primary-dark:#0E8F7E;
  --c-primary-light:#6FD9C6;
  --c-amber:#FFB020;
  --c-amber-dark:#E5930B;
  --c-coral:#FF6B5E;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --line:#E2E7E4;
  --t1:#0B1A18;
  --t2:#22332F;
  --t3:#5C6F6B;
  --white:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#12AC96 0%,#0E8F7E 55%,#0B6E62 100%);
  --grad-accent:linear-gradient(120deg,#FFC24D 0%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,26,24,.04),0 12px 32px -12px rgba(11,26,24,.14);
  --sh-2:0 20px 44px -16px rgba(14,143,126,.28);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none;margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:900px){.container{padding:0 32px}}
.grid-x{margin-left:0;margin-right:0}
.grid-x.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-x>.cell{padding-left:10px;padding-right:10px}

/* ============ 顶部倒计时条 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200}
.topbar{
  height:40px;
  background:var(--grad-brand);
  color:#fff;
  overflow:hidden;
  transition:height .28s ease,opacity .28s ease;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--c-amber);flex:0 0 8px;animation:pulse 1.9s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,176,32,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,176,32,0)}
  100%{box-shadow:0 0 0 0 rgba(255,176,32,0)}
}
.topbar-text{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.95)}
.countdown{display:flex;align-items:center;gap:12px;font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
.cd-label{opacity:.82}
.cd-unit{display:inline-flex;align-items:baseline;gap:3px}
.cd-unit b{font-size:14px;font-weight:700;letter-spacing:.02em}
.cd-unit i{font-style:normal;font-size:12px;opacity:.82}
.cd-unit b.swap{opacity:0;transition:opacity .2s ease}

/* ============ 玻璃导航 ============ */
.main-nav{
  height:var(--nav-h);
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 24px -16px rgba(0,0,0,.35);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  font-size:19px;font-weight:800;color:#fff;
  box-shadow:0 10px 20px -10px rgba(11,110,98,.85),inset 0 1px 0 rgba(255,255,255,.4);
  flex:0 0 38px;
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.02em;color:inherit}
.logo-sub{font-size:12px;letter-spacing:.14em;opacity:.8;padding-left:10px;border-left:1px solid rgba(255,255,255,.35);color:inherit}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;
  display:block;
  padding:9px 14px;
  font-size:15px;
  color:rgba(255,255,255,.9);
  border-radius:var(--r-pill);
  transition:color .22s ease,background .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;padding:0;
  border-radius:14px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:background .22s ease,border-color .22s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .26s ease,opacity .26s ease,background .26s ease}
.nav-mask{
  position:fixed;inset:0;background:rgba(11,26,24,.5);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:205;
}
.is-stuck .topbar{height:0;opacity:0}
.is-stuck .main-nav{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:rgba(226,231,228,.9);
  box-shadow:0 16px 36px -24px rgba(11,26,24,.6);
}
.is-stuck .logo{color:var(--t1)}
.is-stuck .logo-text{color:var(--t1)}
.is-stuck .logo-sub{color:var(--t3);border-left-color:var(--line)}
.is-stuck .nav-links a{color:var(--t2)}
.is-stuck .nav-links a:hover{color:var(--c-primary-dark)}
.is-stuck .nav-links a.active{color:var(--c-primary-dark)}
.is-stuck .nav-toggle{background:rgba(11,26,24,.06);border-color:var(--line)}
.is-stuck .nav-toggle span{background:var(--t1)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;text-align:center;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;
  background-size:180% 100%;background-position:0 50%;
  transition:transform .24s ease,box-shadow .24s ease,background-position .3s ease,color .24s ease,background-color .24s ease,filter .2s ease;
}
.btn i{font-size:13px;transition:transform .24s ease}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -12px rgba(14,143,126,.65)}
.btn-primary:hover{background-position:100% 50%;transform:translateY(-2px);box-shadow:0 22px 38px -16px rgba(14,143,126,.6);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-accent{background-image:var(--grad-accent);color:#3B2400;box-shadow:0 12px 26px -12px rgba(229,147,11,.7)}
.btn-accent:hover{background-position:100% 50%;transform:translateY(-2px);color:#3B2400;box-shadow:0 22px 38px -16px rgba(229,147,11,.6)}
.btn-accent:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--c-primary-dark);border:1px solid var(--c-primary)}
.btn-outline:hover{background:rgba(18,172,150,.09);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;padding:168px 0 92px;background:#0B1A18;overflow:hidden}
.page-hero .hero-bg{position:absolute;inset:0;z-index:0}
.page-hero .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(11,26,24,.94) 0%,rgba(14,143,126,.82) 58%,rgba(11,110,98,.74) 100%);
}
.hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.95)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
  max-width:16em;
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px}
.hero-tags{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 15px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.06em;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.3);
  color:rgba(255,255,255,.92);
}
.tag-amber{background:var(--grad-accent);border-color:transparent;color:#3B2400;font-weight:700}
.tag-solid{background:rgba(255,255,255,.92);border-color:transparent;color:var(--c-primary-dark);font-weight:600}
.hero-badges{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.mini-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.mini-badge b{font-size:22px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.mini-badge i{font-style:normal;font-size:12px;color:rgba(255,255,255,.78)}

/* ============ 数据徽章带 ============ */
.stat-band{background:var(--grad-brand);padding:46px 0}
.stat-strip{
  background:#fff;
  border-radius:var(--r-lg);
  padding:26px 8px;
  box-shadow:0 26px 50px -28px rgba(11,26,24,.55);
}
.stat-item{text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item b{
  display:block;font-size:30px;font-weight:800;line-height:1.2;
  color:var(--c-primary-dark);font-variant-numeric:tabular-nums;
}
.stat-item b em{font-style:normal;font-size:15px;font-weight:700;margin-left:2px}
.stat-item span{display:block;margin-top:6px;font-size:13px;color:var(--t3)}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
@media (min-width:900px){.section{padding:96px 0}}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;color:var(--t1)}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--t3)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.18em;color:var(--c-primary-dark);
  margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-primary)}

/* ============ 双栏主体 ============ */
.benefit-body{padding:80px 0 24px;background:var(--bg)}
.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
.side-index{position:sticky;top:108px}
.side-title{
  font-size:12px;letter-spacing:.2em;color:var(--t3);
  margin-bottom:16px;font-weight:600;
}
.side-index ul{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.side-index a{
  display:block;padding:10px 0 10px 16px;
  font-size:14px;color:var(--t3);
  border-left:2px solid transparent;margin-left:-1px;
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.side-index a:hover{color:var(--c-primary-dark)}
.side-index a.active{color:var(--c-primary-dark);font-weight:600;border-left-color:var(--c-primary)}
.side-index .side-cta{margin-top:24px;padding:20px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}
.side-index .side-cta p{font-size:13px;color:var(--t3);line-height:1.7;margin-bottom:14px}
.side-index .side-cta b{display:block;font-size:15px;color:var(--t1);margin-bottom:6px}

.side-content{display:block}
.b-block{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
  padding:32px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:28px;
  scroll-margin-top:118px;
  transition:box-shadow .3s ease,transform .3s ease;
}
.b-block:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.b-block .b-text{order:1}
.b-block .b-media{order:2}
.b-block.reverse .b-text{order:2}
.b-block.reverse .b-media{order:1}
.b-media{border-radius:var(--r-img);overflow:hidden;background:#eef3f1;position:relative}
.b-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .55s ease}
.b-block:hover .b-media img{transform:scale(1.04)}
.b-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,26,24,0) 55%,rgba(11,26,24,.35) 100%);
  opacity:0;transition:opacity .4s ease;pointer-events:none;
}
.b-block:hover .b-media::after{opacity:1}
.b-media-duo{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.b-media-duo .b-media img{aspect-ratio:1/1}
.b-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:24px;padding:0 10px;margin-bottom:14px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary-dark);
  background:rgba(18,172,150,.12);
  border:1px solid rgba(18,172,150,.24);
}
.b-num.warm{color:#8A4E00;background:rgba(255,176,32,.18);border-color:rgba(229,147,11,.3)}
.b-text h2{
  position:relative;
  padding-left:15px;
  font-size:clamp(20px,2vw,26px);
  line-height:1.4;font-weight:700;color:var(--t1);
}
.b-text h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:4px;background:var(--grad-brand);
}
.b-text p{margin-top:16px;font-size:15.5px;line-height:1.9;color:var(--t2)}
.b-text p:first-of-type{margin-top:14px}
.check-list{margin-top:18px;display:grid;gap:11px}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.75;color:var(--t2)}
.check-list li::before{
  content:"";position:absolute;left:6px;top:.62em;
  width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(18,172,150,.14);
}
.check-list li em{font-style:normal;color:var(--t1);font-weight:600}
.b-note{
  margin-top:20px;
  padding:16px 18px;
  border-radius:var(--r-sm);
  background:rgba(18,172,150,.07);
  border-left:3px solid var(--c-amber);
  font-size:14px;line-height:1.8;color:var(--t2);
}
.b-note b{color:var(--t1)}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .26s ease,border-color .26s ease;
}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(18,172,150,.35)}
.faq-q{
  position:relative;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--t1);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:3px;background:var(--c-primary);
  opacity:0;transition:opacity .26s ease;
}
.faq-item.open .faq-q::before{opacity:1}
.faq-q>span{flex:1 1 auto;padding-left:6px}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;border-radius:2px;background:var(--c-primary-dark);
  transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.open .faq-icon::after{transform:rotate(90deg) scaleY(0);opacity:0}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t3)}
.faq-item.open .faq-a{display:block}

/* ============ 底部横向 CTA 条 ============ */
.cta-section{padding:72px 0 88px;background:var(--bg)}
@media (min-width:900px){.cta-section{padding:88px 0 104px}}
.cta-strip{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
  padding:40px;
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 30px 60px -30px rgba(11,110,98,.7);
}
.cta-strip::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.4) 1.5px,transparent 1.5px);
  background-size:15px 15px;opacity:.3;pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.9);max-width:460px}
.cta-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.05em;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
}
.cta-form{
  position:relative;z-index:2;
  background:rgba(255,255,255,.97);
  border-radius:var(--r-md);
  padding:24px;
  display:grid;gap:14px;
  box-shadow:0 26px 50px -26px rgba(11,26,24,.6);
}
.field label{display:block;font-size:13px;color:var(--t3);margin-bottom:6px;font-weight:500}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;color:var(--t1);
  font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
  -webkit-appearance:none;appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C6F6B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:18px;
  padding-right:38px;
}
.field input::placeholder{color:#9AA9A5}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(18,172,150,.18);
}
.field.error input{border-color:var(--c-coral);box-shadow:0 0 0 4px rgba(255,107,94,.16)}
.form-tip{font-size:12.5px;color:var(--t3);text-align:center;line-height:1.6}
.form-tip.ok{color:var(--c-primary-dark);font-weight:600}
.form-tip.bad{color:#C43B2F;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{
  background:#0B1A18;
  color:rgba(255,255,255,.7);
  border-radius:28px 28px 0 0;
  padding:64px 0 0;
  margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.75);border-left-color:rgba(255,255,255,.25)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:330px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.8);
  transition:background .24s ease,color .24s ease,transform .24s ease;
}
.footer-social a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--c-primary-light)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:13px;font-size:14px;line-height:1.65;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--c-primary-light);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .layout{grid-template-columns:190px minmax(0,1fr);gap:32px}
  .b-block{gap:26px;padding:26px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;
    width:80%;max-width:340px;
    flex-direction:column;align-items:stretch;
    gap:0;
    padding:96px 24px 32px;
    background:#fff;
    box-shadow:-24px 0 48px -28px rgba(0,0,0,.5);
    transform:translateX(104%);
    transition:transform .32s ease;
    z-index:210;
    overflow-y:auto;
  }
  .nav-open .nav-links{transform:translateX(0)}
  .nav-open .nav-mask{opacity:1;visibility:visible}
  .nav-links a{
    color:var(--t1);font-size:16px;padding:15px 6px;border-radius:0;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--c-primary-dark)}
  .nav-cta .btn-primary{padding:10px 16px;font-size:13.5px}
  .page-hero{padding:140px 0 68px}
  .layout{grid-template-columns:1fr;gap:28px}
  .side-index{position:static;top:auto}
  .side-index ul{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);
    scrollbar-width:none;padding-bottom:2px}
  .side-index ul::-webkit-scrollbar{display:none}
  .side-index a{
    flex:0 0 auto;white-space:nowrap;
    border-left:0;border-bottom:2px solid transparent;
    margin-left:0;padding:10px 14px;
  }
  .side-index a.active{border-left:0;border-bottom-color:var(--c-primary)}
  .side-index .side-cta{display:none}
  .b-block{grid-template-columns:1fr;gap:22px;padding:22px}
  .b-block .b-text{order:2}
  .b-block .b-media{order:1}
  .b-block.reverse .b-text{order:2}
  .b-block.reverse .b-media{order:1}
  .b-media img{aspect-ratio:16/10}
  .stat-item{border-right:0}
  .cta-strip{grid-template-columns:1fr;gap:28px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .topbar-text{font-size:12px}
  .cd-sec{display:none}
  .cd-label{display:none}
  .countdown{gap:10px;font-size:12px}
  .logo-sub{display:none}
  .nav-cta .btn-primary{display:none}
  .page-hero{padding:126px 0 58px}
  .hero-lead{font-size:15.5px}
  .hero-badges{gap:10px}
  .mini-badge{padding:9px 16px}
  .mini-badge b{font-size:19px}
  .section{padding:64px 0}
  .benefit-body{padding:58px 0 16px}
  .stat-strip{padding:22px 4px}
  .stat-item b{font-size:24px}
  .b-block{padding:18px}
  .b-text p{font-size:15px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a{padding:0 18px 18px;font-size:14.5px}
  .cta-strip{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding-top:52px;border-radius:22px 22px 0 0}
}
@media (min-width:1200px){
  .container{max-width:1200px}
}