/* roulang page: index */
:root{
  --c-primary:#0FA36B;
  --c-primary-dark:#0A7A50;
  --c-primary-light:#E6F7F0;
  --c-accent:#FF7A1A;
  --c-accent-light:#FFF1E6;
  --c-promo:#E8500F;
  --c-ink:#0B1F1A;
  --c-text:#4A5A55;
  --c-muted:#8A9A94;
  --c-border:#E3EDE8;
  --c-bg:#F7FBF9;
  --c-white:#FFFFFF;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.04);
  --sh-2:0 8px 24px -8px rgba(11,31,26,.10);
  --sh-3:0 16px 40px -12px rgba(11,31,26,.18);
  --grad-brand:linear-gradient(125deg,#0A7A50 0%,#0FA36B 52%,#3ED08F 100%);
  --grad-btn:linear-gradient(100deg,#0FA36B 0%,#17C39A 100%);
  --grad-promo:linear-gradient(100deg,#FF7A1A 0%,#E8500F 100%);
  --focus-ring:0 0 0 3px rgba(15,163,107,.28);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:none;box-shadow:var(--focus-ring)}
.num{font-variant-numeric:tabular-nums}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ 顶部公告条 ============ */
.topbar{
  height:40px;background:var(--c-accent-light);color:#8a4a12;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;font-size:13px;border-bottom:1px solid #FFE2CC;
}
.topbar.is-hidden{display:none}
.topbar__left{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--c-promo);flex:none;box-shadow:0 0 0 3px rgba(232,80,15,.16)}
.topbar__strong{font-weight:700;color:var(--c-promo)}
.topbar__close{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  color:#a3591d;transition:background .16s ease-out,color .16s ease-out;flex:none;
}
.topbar__close:hover{background:rgba(232,80,15,.12);color:var(--c-promo)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;height:68px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;height:68px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:700;
  box-shadow:var(--sh-2);flex:none;
}
.brand__text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text);
  padding:6px 0;transition:color .16s ease-out;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--c-primary);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.command-search{
  position:relative;display:flex;align-items:center;
  width:300px;height:40px;border-radius:12px;
  background:var(--c-bg);border:1px solid var(--c-border);
  transition:border-color .16s ease-out,background .16s ease-out,box-shadow .16s ease-out;
}
.command-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:var(--focus-ring)}
.command-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--c-muted)}
.command-search input{
  flex:1;height:100%;border:none;background:transparent;padding:0 62px 0 34px;
  font-size:14px;outline:none;
}
.command-search input::placeholder{color:var(--c-muted)}
.command-search kbd{
  position:absolute;right:8px;font-family:var(--font);font-size:11px;font-weight:600;
  color:var(--c-muted);background:#fff;border:1px solid var(--c-border);
  border-radius:6px;padding:2px 6px;line-height:1.4;
}
.nav-quick{font-size:14px;font-weight:500;color:var(--c-text);transition:color .16s ease-out}
.nav-quick:hover{color:var(--c-primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;
  padding:0 22px;height:44px;border:1px solid transparent;
  transition:filter .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out,background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
  white-space:nowrap;
}
.btn--primary{background:var(--grad-btn);color:#fff;box-shadow:0 8px 20px -10px rgba(15,163,107,.75)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:var(--sh-3)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.65)}
.btn--ghost:hover{background:#fff;color:var(--c-primary-dark);border-color:#fff}
.btn--outline{background:#fff;color:var(--c-primary-dark);border-color:var(--c-border)}
.btn--outline:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-2)}
.btn--pill{border-radius:var(--r-pill);height:40px;padding:0 20px;font-size:14px}
.btn--full{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;filter:none;transform:none}
.nav-cta{height:38px;padding:0 20px;border-radius:var(--r-pill);font-size:14px;background:var(--grad-btn);color:#fff;box-shadow:0 8px 18px -10px rgba(15,163,107,.8)}
.nav-cta:hover{filter:brightness(1.06)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-border);background:#fff;place-items:center;color:var(--c-ink);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,26,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:#fff;border-radius:24px 0 0 24px;padding:24px;
  transform:translateX(102%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-border);display:grid;place-items:center;color:var(--c-ink)}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer a.drawer__link{
  font-size:16px;font-weight:500;color:var(--c-ink);padding:14px 12px;
  border-radius:12px;opacity:0;transform:translateX(12px);
  transition:opacity .3s ease-out,transform .3s ease-out,background .16s ease-out,color .16s ease-out;
}
.drawer.is-open a.drawer__link{opacity:1;transform:translateX(0)}
.drawer a.drawer__link:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.drawer a.drawer__link.is-active{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:600}
.drawer__search{margin:8px 0 4px;width:100%}
.drawer .btn{margin-top:8px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;color:#fff}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,26,.94) 0%,rgba(10,122,80,.82) 42%,rgba(11,31,26,.25) 100%);
}
.hero .container{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  margin-bottom:20px;letter-spacing:.4px;
}
.hero__eyebrow span{width:6px;height:6px;border-radius:50%;background:#3ED08F;box-shadow:0 0 0 3px rgba(62,208,143,.25)}
.hero h1{
  color:#fff;font-size:clamp(34px,4.4vw,52px);line-height:1.15;font-weight:700;
  letter-spacing:-.5px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#8CF0C4}
.hero__sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px}
.badge-data{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.72);border:1px solid rgba(15,163,107,.35);
  border-radius:var(--r-pill);padding:8px 18px 8px 14px;color:var(--c-ink);
  backdrop-filter:blur(4px);
}
.badge-data b{font-size:24px;font-weight:700;color:var(--c-primary-dark);line-height:1}
.badge-data span{font-size:13px;color:var(--c-text);white-space:nowrap}
.hero-card{
  position:relative;background:#fff;border-radius:var(--r-xl);padding:16px;
  box-shadow:var(--sh-3);color:var(--c-text);
}
.hero-card__tag{
  position:absolute;top:-14px;left:24px;z-index:3;
  background:var(--grad-promo);color:#fff;font-size:13px;font-weight:700;
  border-radius:var(--r-pill);padding:7px 16px;box-shadow:0 10px 20px -10px rgba(232,80,15,.9);
}
.hero-card__img{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-light)}
.hero-card__img img{width:100%;height:100%;object-fit:cover}
.hero-card__body{padding:18px 8px 8px}
.hero-card__title{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.hero-card__desc{font-size:14px;line-height:1.7;color:var(--c-text);margin-bottom:14px}
.phone-mock{
  display:flex;align-items:center;gap:14px;padding:14px;border-radius:var(--r-md);
  background:var(--c-bg);border:1px solid var(--c-border);
}
.phone-mock__screen{
  width:54px;height:76px;border-radius:12px;border:2px solid var(--c-primary);
  background:var(--grad-brand);position:relative;flex:none;overflow:hidden;
}
.phone-mock__screen::after{
  content:"";position:absolute;left:10px;right:10px;top:14px;height:4px;border-radius:4px;
  background:rgba(255,255,255,.75);box-shadow:0 10px 0 rgba(255,255,255,.5),0 20px 0 rgba(255,255,255,.3);
}
.phone-mock__text strong{display:block;font-size:14px;color:var(--c-ink)}
.phone-mock__text small{font-size:12px;color:var(--c-muted)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head__eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-primary-dark);
  background:var(--c-primary-light);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.3px}
.section-head p{margin-top:12px;font-size:16px;color:var(--c-text);max-width:660px}
.section-head__link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section-head__link:hover{color:var(--c-primary-dark);text-decoration:underline}

/* ============ 信任数据带 ============ */
.trust-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;background:#fff;
  box-shadow:var(--sh-1);
}
.trust-band__item{padding:32px 26px;border-right:1px solid var(--c-border)}
.trust-band__item:last-child{border-right:none}
.trust-band__item:nth-child(odd){background:var(--c-primary-light)}
.trust-band__num{font-size:32px;font-weight:700;color:var(--c-primary-dark);line-height:1.1;letter-spacing:-.5px}
.trust-band__num small{font-size:16px;font-weight:600;margin-left:2px}
.trust-band__label{margin-top:8px;font-size:14px;color:var(--c-text)}

/* ============ 优惠阶梯 ============ */
.ladder{position:relative;padding-left:0}
.ladder__item{
  position:relative;display:grid;grid-template-columns:200px 1fr auto;gap:28px;align-items:center;
  border-radius:var(--r-lg);padding:28px 32px;background:#fff;border:1px solid var(--c-border);
  box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.ladder__item:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.ladder__item + .ladder__item{margin-top:36px}
.ladder__item::before{
  content:"";position:absolute;left:50%;top:-36px;height:36px;width:2px;
  background:repeating-linear-gradient(180deg,var(--c-primary) 0 5px,transparent 5px 10px);
  opacity:.55;
}
.ladder__item:first-child::before{display:none}
.ladder__item--2{background:linear-gradient(180deg,#fff 0%,#F8FFFB 100%);border-color:#CCEBDC;padding-top:34px;padding-bottom:34px}
.ladder__item--3{background:var(--grad-brand);border-color:transparent;color:#fff;padding-top:40px;padding-bottom:40px;box-shadow:var(--sh-3)}
.ladder__item--3 .ladder__title,.ladder__item--3 .ladder__desc{color:#fff}
.ladder__step{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  border-radius:var(--r-pill);padding:5px 14px;background:var(--c-primary-light);color:var(--c-primary-dark);
  margin-bottom:12px;
}
.ladder__item--3 .ladder__step{background:rgba(255,255,255,.2);color:#fff}
.ladder__title{font-size:20px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.ladder__desc{font-size:14px;color:var(--c-text)}
.ladder__list{display:flex;flex-wrap:wrap;gap:10px 24px}
.ladder__list li{position:relative;padding-left:16px;font-size:15px;color:var(--c-text)}
.ladder__list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.ladder__item--3 .ladder__list li{color:rgba(255,255,255,.92)}
.ladder__item--3 .ladder__list li::before{background:#8CF0C4}
.pill-state{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  border-radius:var(--r-pill);padding:7px 16px;white-space:nowrap;
}
.pill-state--on{background:var(--c-accent-light);color:var(--c-promo)}
.pill-state--soon{background:#EEF3F1;color:var(--c-muted)}
.pill-state--now{background:rgba(255,255,255,.22);color:#fff}

/* ============ 套餐对比 ============ */
.plan-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-xl);
  padding:32px 28px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.plan-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.plan-card--rec{
  border:2px solid var(--c-primary);transform:scale(1.02);
  box-shadow:0 20px 48px -18px rgba(15,163,107,.45);
}
.plan-card--rec:hover{transform:scale(1.02) translateY(-4px)}
.plan-card__flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad-promo);color:#fff;font-size:12px;font-weight:700;
  border-radius:var(--r-pill);padding:6px 16px;white-space:nowrap;
}
.plan-card__name{font-size:19px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.plan-card__note{font-size:14px;color:var(--c-muted);min-height:44px}
.plan-card__price{display:flex;align-items:baseline;gap:6px;margin:18px 0 22px}
.plan-card__price b{font-size:38px;font-weight:700;color:var(--c-primary-dark);letter-spacing:-1px;line-height:1}
.plan-card__price i{font-style:normal;font-size:15px;color:var(--c-muted)}
.plan-card__list{margin-bottom:26px}
.plan-card__list li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;padding:9px 0;
  border-bottom:1px dashed var(--c-border);color:var(--c-text);
}
.plan-card__list li:last-child{border-bottom:none}
.ico-check{width:18px;height:18px;flex:none;margin-top:5px;color:var(--c-primary)}
.ico-x{width:18px;height:18px;flex:none;margin-top:5px;color:#C9D6D1}

.table-wrap{
  border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:auto;background:#fff;
  box-shadow:var(--sh-1);max-height:520px;
}
.cmp-table{min-width:720px;font-size:15px}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;background:#fff;
  font-size:14px;font-weight:600;color:var(--c-ink);text-align:left;
  padding:16px 20px;border-bottom:1px solid var(--c-border);
}
.cmp-table thead th:not(:first-child){text-align:center}
.cmp-table td{padding:14px 20px;border-bottom:1px solid var(--c-border);color:var(--c-text)}
.cmp-table td:not(:first-child){text-align:center}
.cmp-table tbody tr:nth-child(even){background:#FAFDFB}
.cmp-table tbody tr:hover{background:var(--c-primary-light)}
.cmp-table td svg{display:inline-block;vertical-align:middle}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.news-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.news-card__thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light)}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-card__thumb img{transform:scale(1.04)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card__cat{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--c-primary-dark);
  background:var(--c-primary-light);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px;
}
.news-card__title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__title a:hover{color:var(--c-primary)}
.news-card__excerpt{
  font-size:14px;line-height:1.75;color:var(--c-text);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-border);font-size:13px;color:var(--c-muted);
}
.news-card__more{font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:4px}
.news-card:hover .news-card__more{gap:8px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--c-border);border-radius:var(--r-lg);
}
.empty-state svg{width:44px;height:44px;color:var(--c-muted);margin:0 auto 16px}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:18px}

/* ============ 限时入口 ============ */
.limited{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:#0B1F1A;color:#fff;padding:48px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh-3);
}
.limited::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.55) 0%,rgba(255,122,26,0) 68%);
  pointer-events:none;
}
.limited__left{position:relative;z-index:2;max-width:640px}
.limited__label{font-size:13px;font-weight:600;color:#8CF0C4;letter-spacing:1px;margin-bottom:12px}
.limited h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.limited p{color:rgba(255,255,255,.78);font-size:15px;max-width:520px}
.countdown{display:flex;align-items:center;gap:12px;margin-top:24px}
.countdown__cell{
  min-width:76px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:12px 8px;text-align:center;
}
.countdown__cell b{display:block;font-size:28px;font-weight:700;color:#fff;line-height:1.1}
.countdown__cell span{font-size:12px;color:rgba(255,255,255,.62)}
.limited__right{position:relative;z-index:2;flex:none;text-align:right}
.limited__right .btn{height:52px;padding:0 32px;font-size:16px}
.limited__hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}

/* ============ FAQ ============ */
.faq-list{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--c-border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:background .16s ease-out,color .16s ease-out;
}
.faq-q:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.faq-q svg{width:18px;height:18px;flex:none;color:var(--c-primary);transition:transform .22s ease-out}
.faq-item.is-open .faq-q{color:var(--c-primary-dark)}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a__inner{padding:0 26px 24px;font-size:15px;line-height:1.8;color:var(--c-text)}

/* ============ 咨询表单 ============ */
.consult{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.consult__points li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--c-border)}
.consult__points li:last-child{border-bottom:none}
.consult__points svg{width:20px;height:20px;flex:none;margin-top:4px;color:var(--c-primary)}
.consult__points strong{display:block;font-size:16px;color:var(--c-ink);font-weight:600}
.consult__points span{font-size:14px;color:var(--c-text)}
.consult__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-chip{
  display:flex;align-items:baseline;gap:8px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-pill);padding:8px 18px;box-shadow:var(--sh-1);
}
.stat-chip b{font-size:22px;font-weight:700;color:var(--c-primary-dark);line-height:1}
.stat-chip span{font-size:13px;color:var(--c-muted)}
.form-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:22px;margin-bottom:8px}
.form-card > p{font-size:14px;color:var(--c-muted);margin-bottom:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-border);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;background:#fff;outline:none;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:var(--focus-ring)}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:#D93025;box-shadow:0 0 0 3px rgba(217,48,37,.14)}
.field__err{font-size:13px;color:#D93025;display:none}
.field.is-error .field__err{display:block}
.form-tip{font-size:13px;color:var(--c-muted);margin-top:16px}
.form-success{
  display:none;align-items:center;gap:12px;margin-top:20px;padding:16px 18px;
  background:var(--c-primary-light);border:1px solid #B9E7D2;border-radius:var(--r-md);
  font-size:14px;color:var(--c-primary-dark);
}
.form-success.is-show{display:flex}

/* ============ CTA 条 & 页脚 ============ */
.cta-strip{
  background:var(--c-primary-light);border-radius:var(--r-lg);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h3{font-size:22px;margin-bottom:6px}
.cta-strip p{font-size:15px;color:var(--c-text)}
.site-footer{background:#0B1F1A;color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__mark{box-shadow:none}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:330px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .16s ease-out}
.footer-col a:hover{color:#3ED08F}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px}
.qr-box{
  width:104px;height:104px;border-radius:var(--r-md);background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.24);display:grid;place-items:center;
  font-size:12px;color:rgba(255,255,255,.5);margin-top:14px;text-align:center;padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#3ED08F}
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  background:var(--grad-btn);color:#fff;display:grid;place-items:center;z-index:70;
  box-shadow:var(--sh-3);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.06)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-links{gap:20px}
  .command-search{width:236px}
}
@media (max-width:1023px){
  .nav-links,.command-search,.nav-quick{display:none}
  .nav-toggle{display:grid}
  .nav-inner{gap:16px}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .hero{padding:56px 0 64px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .trust-band{grid-template-columns:repeat(2,1fr)}
  .trust-band__item:nth-child(2){border-right:none}
  .trust-band__item:nth-child(1),.trust-band__item:nth-child(2){border-bottom:1px solid var(--c-border)}
  .ladder__item{grid-template-columns:1fr;gap:16px;padding:24px}
  .ladder__item--3{padding:28px 24px}
  .plan-cards{grid-template-columns:1fr;gap:20px}
  .plan-card--rec{transform:none}
  .plan-card--rec:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .consult{grid-template-columns:1fr}
  .limited{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .limited__right{text-align:left;width:100%}
  .limited__right .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-inner{padding:0 18px}
  .hero h1{font-size:clamp(28px,7vw,36px)}
  .hero__sub{font-size:16px}
  .hero__actions .btn{flex:1;min-width:150px}
  .news-grid{grid-template-columns:1fr}
  .trust-band{grid-template-columns:1fr}
  .trust-band__item{border-right:none;border-bottom:1px solid var(--c-border);padding:24px 20px}
  .trust-band__item:last-child{border-bottom:none}
  .form-card{padding:26px 20px}
  .form-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a__inner{padding:0 18px 20px}
  .cta-strip{padding:26px 22px}
  .countdown{flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:52px;margin-top:64px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
}
@media (max-width:480px){
  body{font-size:15px}
  .hero h1{font-size:26px}
  .btn{width:100%}
  .hero__actions{flex-direction:column}
  .badge-data{width:100%}
  .countdown__cell{min-width:0;flex:1}
  .limited{padding:32px 20px}
  .brand__text{font-size:15px}
}

/* roulang page: article */
:root{
  --c-primary:#0FA36B;
  --c-primary-dark:#0A7A50;
  --c-primary-light:#E6F7F0;
  --c-accent:#FF7A1A;
  --c-accent-light:#FFF1E6;
  --c-accent-dark:#E8500F;
  --c-ink:#0B1F1A;
  --c-text:#4A5A55;
  --c-muted:#8A9A94;
  --c-border:#E3EDE8;
  --c-bg:#F7FBF9;
  --c-white:#FFFFFF;
  --grad-brand:linear-gradient(125deg,#0A7A50 0%,#0FA36B 52%,#3ED08F 100%);
  --grad-btn:linear-gradient(100deg,#0FA36B 0%,#17C39A 100%);
  --grad-badge:linear-gradient(100deg,#FF7A1A 0%,#E8500F 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.04);
  --sh-2:0 8px 24px -8px rgba(11,31,26,.10);
  --sh-3:0 16px 40px -12px rgba(11,31,26,.18);
  --ring:0 0 0 3px rgba(15,163,107,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .16s var(--ease)}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:10px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:16px;display:grid;place-items:center;
  box-shadow:var(--sh-1);
}
.brand__text{font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);border-radius:2px;
}
.nav-links a:hover{color:var(--c-primary-dark)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--c-primary-dark);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:300px;height:40px;padding:0 12px;
  background:var(--c-bg);border:1px solid var(--c-border);
  border-radius:var(--r-btn);color:var(--c-muted);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease);
}
.command-search svg{width:17px;height:17px;flex:0 0 auto}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-ink);
}
.command-search input::placeholder{color:var(--c-muted)}
.command-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:var(--ring)}
.command-search kbd{
  font-family:inherit;font-size:11px;color:var(--c-muted);
  background:#fff;border:1px solid var(--c-border);border-radius:6px;
  padding:2px 6px;line-height:1.4;
}
.nav-quick{font-size:14px;font-weight:500;color:var(--c-text);white-space:nowrap}
.nav-quick:hover{color:var(--c-primary-dark)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:all .16s var(--ease);text-decoration:none;
}
.btn-primary{
  background:var(--grad-btn);color:#fff;border-radius:var(--r-pill);
  box-shadow:0 8px 20px -10px rgba(15,163,107,.75);
}
.btn-primary:hover{filter:brightness(1.06);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;color:var(--c-primary-dark);border:1px solid var(--c-primary);
  border-radius:var(--r-pill);
}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-soft{
  background:var(--c-primary-light);color:var(--c-primary-dark);border-radius:var(--r-pill);
}
.btn-soft:hover{background:#d5f0e4;color:var(--c-primary-dark)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.nav-cta{padding:11px 22px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,26,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:80;
  background:#fff;border-radius:24px 0 0 24px;padding:22px 22px 28px;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--c-border);
  background:#fff;color:var(--c-ink);cursor:pointer;display:grid;place-items:center;
}
.drawer-close:hover{background:var(--c-primary-light)}
.drawer-links{display:grid;gap:4px}
.drawer-links a{
  font-size:16px;font-weight:500;color:var(--c-ink);
  padding:13px 12px;border-radius:12px;
  opacity:0;transform:translateX(14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .16s var(--ease);
}
.drawer.is-open .drawer-links a{opacity:1;transform:translateX(0)}
.drawer-links a:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.drawer-links a.is-active{color:var(--c-primary-dark);background:var(--c-primary-light);font-weight:600}
.drawer .btn{width:100%}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--c-white);border-bottom:1px solid var(--c-border)}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);padding:16px 0;
}
.crumb a{color:var(--c-text)}
.crumb a:hover{color:var(--c-primary-dark)}
.crumb .sep{color:#C3D3CD}
.crumb .current{color:var(--c-ink);font-weight:500;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:44px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%)}
.article-head__inner{max-width:860px;margin:0 auto;padding:0 24px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.4;
}
.pill-cat{background:var(--c-primary-light);color:var(--c-primary-dark)}
.pill-accent{background:var(--grad-badge);color:#fff}
.article-head h1{
  font-size:clamp(28px,3.4vw,40px);line-height:1.3;font-weight:700;
  margin:18px 0 0;
}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:18px;font-size:13px;color:var(--c-muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D3CD}
.article-cover{
  max-width:1080px;margin:32px auto 0;padding:0 24px;
}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);
  box-shadow:var(--sh-2);
}

/* ---------- article body ---------- */
.article-wrap{padding:56px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 240px;
  gap:56px;justify-content:center;align-items:start;
  max-width:1120px;margin:0 auto;padding:0 24px;
}
.article-body{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:40px 44px;box-shadow:var(--sh-1)}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;
  margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--c-primary);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body p{margin:0 0 20px;line-height:1.8;color:var(--c-text);font-size:16.5px}
.article-body a{color:var(--c-primary-dark);border-bottom:1px solid rgba(15,163,107,.35)}
.article-body a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px}
.article-body ul li{
  position:relative;list-style:none;padding-left:20px;margin-bottom:10px;line-height:1.8;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:50%;background:var(--c-primary);
}
.article-body ol{counter-reset:olc;padding-left:0}
.article-body ol li{
  list-style:none;counter-increment:olc;position:relative;
  padding-left:34px;margin-bottom:12px;line-height:1.8;
}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.34em;
  width:22px;height:22px;border-radius:8px;background:var(--c-primary-light);
  color:var(--c-primary-dark);font-size:12px;font-weight:700;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--c-primary-light);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:8px 0 6px}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--c-border);border-radius:var(--r-btn);
  overflow:hidden;margin:20px 0;font-size:15px;
}
.article-body thead th{
  background:var(--c-primary-light);color:var(--c-ink);
  font-weight:600;text-align:left;padding:12px 16px;font-size:14px;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--c-border)}
.article-body tbody tr:nth-child(even){background:#FBFDFC}
.article-body hr{border:0;border-top:1px solid var(--c-border);margin:32px 0}
.article-body code{
  background:var(--c-bg);border:1px solid var(--c-border);
  border-radius:6px;padding:1px 6px;font-size:14px;color:var(--c-primary-dark);
}

/* ---------- toc ---------- */
.article-aside{position:sticky;top:96px;align-self:start}
.toc{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
}
.toc h4{
  font-size:13px;letter-spacing:.08em;color:var(--c-muted);
  font-weight:600;margin-bottom:12px;text-transform:none;
}
.toc-list{display:grid;gap:2px;max-height:60vh;overflow:auto}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--c-text);
  padding:8px 10px;border-radius:10px;border-left:2px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.toc-link:hover{background:var(--c-bg);color:var(--c-primary-dark)}
.toc-link.is-current{
  background:var(--c-primary-light);color:var(--c-primary-dark);
  border-left-color:var(--c-primary);font-weight:600;
}
.toc-tip{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-border);
  font-size:12.5px;color:var(--c-muted);line-height:1.7;
}

/* ---------- empty ---------- */
.article-empty{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:64px 32px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty .icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  display:grid;place-items:center;
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--c-muted);font-size:15px;margin-bottom:22px}

/* ---------- tags / footer nav / related ---------- */
.article-tail{padding:48px 0 0}
.tail-inner{max-width:1120px;margin:0 auto;padding:0 24px}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.tag-row .label{font-size:13px;color:var(--c-muted)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-border);font-size:13px;color:var(--c-text);
  transition:all .16s var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:var(--c-primary-light)}
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:44px}
.postnav a{
  display:block;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.postnav a:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--c-primary)}
.postnav .dir{font-size:12.5px;color:var(--c-muted);display:block;margin-bottom:8px}
.postnav .ttl{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:24px;
}
.section-head h2{font-size:clamp(22px,2.4vw,28px)}
.section-head p{font-size:14px;color:var(--c-muted);margin-top:8px}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary-dark);white-space:nowrap}
.link-more:hover{color:var(--c-primary)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  box-shadow:var(--sh-1);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#CFE6DC}
.card__media{aspect-ratio:16/9;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:17px;line-height:1.55;font-weight:600}
.card__body p{font-size:14px;color:var(--c-muted);line-height:1.75}
.card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);padding-top:4px;
}
.card__arrow{color:var(--c-primary-dark);font-weight:600}

/* ---------- cta strip ---------- */
.cta-strip{
  margin:56px auto 0;max-width:1120px;padding:0 24px;
}
.cta-strip__box{
  background:var(--c-primary-light);border-radius:var(--r-md);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.cta-strip__box h3{font-size:20px;margin-bottom:8px}
.cta-strip__box p{font-size:14.5px;color:var(--c-text);max-width:56ch}
.back-home{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  font-size:14px;font-weight:600;color:var(--c-primary-dark);
}
.back-home:hover{color:var(--c-primary)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C9D8D3;margin-top:88px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-brand .brand__mark{background:var(--grad-brand)}
.footer-desc{color:#8A9A94;font-size:14px;line-height:1.8;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:#A8BCB6;font-size:14px}
.footer-col a:hover{color:#3ED08F}
.footer-contact li{font-size:14px;color:#A8BCB6;line-height:1.8}
.qr-box{
  margin-top:16px;width:112px;height:112px;border-radius:var(--r-img);
  border:1px dashed rgba(255,255,255,.25);display:grid;place-items:center;
  text-align:center;font-size:12px;line-height:1.6;color:var(--c-muted);background:rgba(255,255,255,.03);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7C8C87;
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:50;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--c-border);
  background:#fff;color:var(--c-primary-dark);cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transition:all .22s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateY(-3px)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .command-search{width:250px}
  .nav-links{gap:22px}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,760px);justify-content:center}
  .article-aside{display:none}
}
@media (max-width:1023px){
  .nav-links,.command-search,.nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .container,.nav-inner{padding:0 18px}
  .article-head{padding-top:32px}
  .article-body{padding:26px 20px;border-radius:var(--r-md)}
  .article-body h2{margin-top:32px}
  .article-cover{padding:0 18px;margin-top:24px}
  .article-wrap{padding-top:36px}
  .postnav{grid-template-columns:1fr}
  .cta-strip__box{padding:26px 22px}
  .site-footer{padding-top:52px;margin-top:64px}
  .footer-bottom{flex-direction:column;gap:6px}
  .grid-3{grid-template-columns:1fr}
}
@media (max-width:480px){
  body{font-size:15px}
  .brand__text{font-size:15px}
  .article-body p{font-size:16px}
  .btn{width:100%}
  .nav-cta{display:none}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FA36B;
  --c-primary-d:#0A7A50;
  --c-primary-l:#E6F7F0;
  --c-accent:#FF7A1A;
  --c-accent-l:#FFF1E6;
  --c-accent-d:#E8500F;
  --ink:#0B1F1A;
  --text:#4A5A55;
  --muted:#8A9A94;
  --line:#E3EDE8;
  --bg:#F7FBF9;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(125deg,#0A7A50 0%,#0FA36B 52%,#3ED08F 100%);
  --grad-btn:linear-gradient(100deg,#0FA36B 0%,#17C39A 100%);
  --grad-badge:linear-gradient(100deg,#FF7A1A 0%,#E8500F 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.04);
  --sh-2:0 8px 24px -8px rgba(11,31,26,.10);
  --sh-3:0 16px 40px -12px rgba(11,31,26,.18);
  --ring:0 0 0 3px rgba(15,163,107,.28);
  --font:PingFang SC,"Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3vw,36px)}
.section-head p{margin-top:12px;max-width:640px;font-size:16px;color:var(--text)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary-d);background:var(--c-primary-l);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:32px;height:32px;border-radius:10px;background:var(--grad-btn);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;box-shadow:var(--sh-1)}
.brand__text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:22px;flex:1 1 auto;min-width:0;overflow:hidden}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;white-space:nowrap;transition:color .18s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-primary);transition:width .2s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--c-primary);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.command-search{display:flex;align-items:center;gap:8px;width:266px;height:40px;padding:0 12px;background:var(--bg);border:1px solid transparent;border-radius:var(--r-btn);color:var(--muted);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}
.command-search svg{width:16px;height:16px;flex:0 0 auto}
.command-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink)}
.command-search input::placeholder{color:var(--muted)}
.command-search input:focus{outline:none}
.command-search kbd{font-family:var(--font);font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.command-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:var(--ring)}
.nav-quick{font-size:14px;font-weight:500;color:var(--text);transition:color .18s ease}
.nav-quick:hover{color:var(--c-primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;white-space:nowrap;transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out}
.btn--primary{background:var(--grad-btn);color:#fff;box-shadow:0 8px 20px -10px rgba(15,163,107,.7)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:var(--sh-3)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.06)}
.btn--ghost:hover{background:rgba(255,255,255,.16)}
.btn--outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn--outline:hover{border-color:var(--c-primary);color:var(--c-primary-d)}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--ink);align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer__mask{position:absolute;inset:0;background:rgba(11,31,26,.45);opacity:0;transition:opacity .28s ease}
.drawer.is-open .drawer__mask{opacity:1}
.drawer__panel{position:absolute;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;border-radius:24px 0 0 24px;padding:24px 22px;display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer__panel a{display:block;padding:12px 8px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink);opacity:0;transform:translateX(12px);transition:opacity .3s ease,transform .3s ease,background-color .18s ease,color .18s ease}
.drawer.is-open .drawer__panel a{opacity:1;transform:none}
.drawer__panel a:nth-child(1){transition-delay:.04s}
.drawer__panel a:nth-child(2){transition-delay:.08s}
.drawer__panel a:nth-child(3){transition-delay:.12s}
.drawer__panel a:nth-child(4){transition-delay:.16s}
.drawer__panel a:nth-child(5){transition-delay:.2s}
.drawer__panel a:nth-child(6){transition-delay:.24s}
.drawer__panel a:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.drawer__panel a.is-active{color:var(--c-primary-d);background:var(--c-primary-l);font-weight:600}
.drawer__search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:var(--bg);border-radius:12px;color:var(--muted);margin-bottom:10px}
.drawer__search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px}
.drawer__search input:focus{outline:none}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer__cta{margin-top:auto}

/* ============ 面包屑 ============ */
.crumb{background:#fff;border-bottom:1px solid var(--line)}
.crumb ol{display:flex;align-items:center;gap:10px;flex-wrap:wrap;list-style:none;margin:0;padding:14px 0;font-size:13px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:10px}
.crumb li+li::before{content:"/";color:#C7D6D0}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current="page"]{color:var(--ink);font-weight:500}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;background-image:linear-gradient(100deg,rgba(11,31,26,.94) 0%,rgba(11,31,26,.7) 48%,rgba(11,31,26,.3) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:#fff;overflow:hidden}
.cat-hero__inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:78px 0 84px}
.cat-hero h1{font-size:clamp(34px,4.4vw,52px);line-height:1.15;font-weight:700;color:#fff}
.cat-hero h1 em{font-style:normal;background:linear-gradient(100deg,#3ED08F,#17C39A);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero__sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px}
.cat-hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-badges .badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.82);border:1px solid rgba(15,163,107,.35);color:var(--ink);font-size:13px;font-weight:500}
.hero-badges .badge b{font-size:16px;font-weight:700;color:var(--c-primary-d);font-variant-numeric:tabular-nums}
.hero-card{position:relative;background:#fff;border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-3);color:var(--text)}
.hero-card__tag{position:absolute;top:-14px;left:22px;background:var(--grad-badge);color:#fff;font-size:12px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);box-shadow:0 8px 18px -10px rgba(232,80,15,.8)}
.hero-card img{border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-card__body{padding:18px 6px 6px}
.hero-card__body h3{font-size:18px;margin-bottom:8px}
.hero-card__body p{font-size:14px;line-height:1.75;color:var(--muted)}
.hero-card__meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.mini-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--c-primary-d);background:var(--c-primary-l);border-radius:var(--r-pill);padding:5px 12px}
.mini-pill--accent{color:var(--c-accent-d);background:var(--c-accent-l)}

/* ============ 锚点导航条 ============ */
.anchor-bar{position:sticky;top:68px;z-index:50;background:rgba(247,251,249,.94);border-bottom:1px solid var(--line);padding:12px 0;backdrop-filter:blur(6px)}
.anchor-pills{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.anchor-pills::-webkit-scrollbar{display:none}
.anchor-pills a{flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--text);transition:color .18s ease,border-color .18s ease,background .18s ease}
.anchor-pills a:hover{color:var(--c-primary-d);border-color:var(--c-primary)}
.anchor-pills a.is-active{background:var(--c-primary-l);border-color:rgba(15,163,107,.4);color:var(--c-primary-d);font-weight:600}

/* ============ 双栏模块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--reverse .split__media{order:2}
.split--reverse .split__body{order:1}
.split__media img{border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-2);width:100%}
.split__body h2{font-size:clamp(26px,3vw,36px);margin-bottom:16px}
.split__body p{font-size:16px;line-height:1.85}
.split__body p+p{margin-top:16px}
.tick-list{margin-top:22px;display:grid;gap:12px}
.tick-list li{display:flex;gap:12px;font-size:15px;line-height:1.75}
.tick-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-top:11px}
.data-strip{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.data-strip .chip{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text);box-shadow:var(--sh-1)}
.data-strip .chip b{font-size:15px;font-weight:700;color:var(--c-primary-d);font-variant-numeric:tabular-nums}
.data-strip .chip--accent{background:var(--c-accent-l);border-color:rgba(255,122,26,.32);color:var(--c-accent-d)}
.data-strip .chip--accent b{color:var(--c-accent-d)}

/* ============ 三格数据带 ============ */
.stat-band{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
.stat-band__cell{padding:32px;border-right:1px solid var(--line)}
.stat-band__cell:last-child{border-right:0}
.stat-band__cell:nth-child(odd){background:var(--c-primary-l)}
.stat-band__num{font-size:clamp(28px,3.2vw,36px);font-weight:700;color:var(--c-primary-d);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-band__cell h3{font-size:16px;margin:10px 0 8px}
.stat-band__cell p{font-size:14px;line-height:1.75;color:var(--text);margin:0}

/* ============ FAQ ============ */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);transition:background-color .18s ease,color .18s ease}
.faq-q:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.faq-q svg{flex:0 0 auto;width:18px;height:18px;color:var(--c-primary);transition:transform .25s ease}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.8;color:var(--text)}

/* ============ 限时入口 ============ */
.cta-panel{position:relative;overflow:hidden;background:#0B1F1A;border-radius:var(--r-lg);padding:52px;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;color:#fff;box-shadow:var(--sh-3)}
.cta-panel::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,26,.55),rgba(255,122,26,0) 68%);pointer-events:none}
.cta-panel h2{color:#fff;font-size:clamp(24px,2.6vw,32px)}
.cta-panel p{color:rgba(255,255,255,.82);font-size:15px;margin-top:14px;max-width:520px}
.countdown{display:flex;gap:12px;margin-top:26px}
.countdown span{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-width:78px;padding:12px 10px;border-radius:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.countdown b{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1;color:#fff}
.countdown i{font-style:normal;font-size:12px;color:rgba(255,255,255,.66);margin-top:4px}
.cta-panel__action{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-panel__action .btn{width:100%;height:52px;font-size:16px}
.cta-panel__action small{font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 页脚 ============ */
.site-footer{background:#0B1F1A;color:#B9CBC4;margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .brand__mark{background:var(--grad-btn)}
.footer-desc{font-size:14px;line-height:1.85;color:#8FA9A0;max-width:330px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px;font-size:14px}
.footer-col a{color:#A9BFB8;transition:color .18s ease}
.footer-col a:hover{color:#3ED08F}
.footer-contact li{color:#8FA9A0;font-size:14px;line-height:1.7}
.qr-box{margin-top:18px;width:112px;height:112px;border-radius:16px;border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:#8FA9A0;padding:8px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:20px 0;font-size:13px;color:#7E948C}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .command-search{width:220px}
  .nav-links{gap:18px}
  .nav-links a{font-size:14.5px}
  .cat-hero__inner{gap:36px}
}
@media (max-width:1100px){
  .command-search{display:none}
  .nav-quick{display:none}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section--tight{padding:44px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .cat-hero__inner{grid-template-columns:1fr;padding:56px 0 64px}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split__media{order:1}
  .split--reverse .split__body{order:2}
  .stat-band{grid-template-columns:1fr}
  .stat-band__cell{border-right:0;border-bottom:1px solid var(--line)}
  .stat-band__cell:last-child{border-bottom:0}
  .cta-panel{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .nav-inner{padding:0 18px;gap:12px}
  .brand__text{font-size:15px}
  .anchor-bar{top:60px}
  .site-header .nav-inner{height:60px}
  .hero-badges .badge{font-size:12px;padding:7px 13px}
  .section-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a p{padding:0 18px 20px}
}
@media (max-width:480px){
  body{font-size:15px}
  .cat-hero h1{font-size:30px}
  .cat-hero__sub{font-size:15px}
  .cat-hero__actions .btn{width:100%}
  .countdown span{min-width:64px;padding:10px 6px}
  .countdown b{font-size:22px}
  .cta-panel{padding:32px 20px}
  .split__media img{aspect-ratio:16/11}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FA36B;
  --c-primary-dark:#0A7A50;
  --c-primary-light:#E6F7F0;
  --c-accent:#FF7A1A;
  --c-accent-light:#FFF1E6;
  --c-promo:#E8500F;
  --ink:#0B1F1A;
  --text:#4A5A55;
  --muted:#8A9A94;
  --line:#E3EDE8;
  --bg:#F7FBF9;
  --card:#FFFFFF;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.04);
  --sh-2:0 8px 24px -8px rgba(11,31,26,.10);
  --sh-3:0 16px 40px -12px rgba(11,31,26,.18);
  --grad-brand:linear-gradient(125deg,#0A7A50 0%,#0FA36B 45%,#3ED08F 100%);
  --grad-btn:linear-gradient(100deg,#0FA36B 0%,#17C39A 100%);
  --grad-promo:linear-gradient(100deg,#FF7A1A 0%,#E8500F 100%);
  --focus:0 0 0 3px rgba(15,163,107,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .16s ease-out,opacity .16s ease-out}
a:hover{color:var(--c-primary)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;min-height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,filter .16s ease-out;
}
.btn--primary{background-image:var(--grad-btn);color:#fff;box-shadow:0 8px 20px -8px rgba(15,163,107,.55)}
.btn--primary:hover{filter:brightness(1.06);color:#fff;box-shadow:var(--sh-3)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary-dark);box-shadow:var(--sh-2)}
.btn--outline-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(2px)}
.btn--outline-light:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}
.btn--pill{border-radius:var(--r-pill);padding:14px 32px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;filter:none}

/* ============ 徽章 / 胶囊 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.5;
  background:var(--c-primary-light);color:var(--c-primary-dark);border:1px solid rgba(15,163,107,.18);
}
.pill--accent{background:var(--c-accent-light);color:var(--c-promo);border-color:rgba(255,122,26,.28)}
.pill--plain{background:#fff;color:var(--text);border-color:var(--line)}
.pill--hero{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.45)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:68px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:32px;height:32px;border-radius:10px;
  background-image:var(--grad-brand);
  color:#fff;font-size:16px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -6px rgba(10,122,80,.65);
}
.brand__text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.brand:hover .brand__text{color:var(--c-primary-dark)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);border-radius:2px;transition:width .2s ease-out;
}
.nav-links a:hover{color:var(--c-primary-dark)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--c-primary-dark);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto}
.command-search{
  position:relative;display:flex;align-items:center;
  width:300px;height:40px;padding:0 10px 0 36px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .16s ease-out,background-color .16s ease-out,box-shadow .16s ease-out;
}
.command-search svg{position:absolute;left:11px;width:16px;height:16px;color:var(--muted)}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;
}
.command-search input::placeholder{color:var(--muted)}
.command-search kbd{
  font-family:inherit;font-size:11px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px 6px;line-height:1.2;
}
.command-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:var(--focus)}
.nav-quick{font-size:14px;font-weight:500;color:var(--text);white-space:nowrap}
.nav-quick:hover{color:var(--c-primary-dark)}
.nav-cta{background-image:var(--grad-btn);color:#fff;border-radius:var(--r-pill);padding:11px 24px;font-size:14px;box-shadow:0 8px 18px -8px rgba(15,163,107,.6)}
.nav-cta:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--sh-2)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;background:#fff;
  border:1px solid var(--line);color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,26,.42);z-index:130;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;z-index:140;
  background:#fff;border-radius:var(--r-lg) 0 0 var(--r-lg);
  padding:24px 22px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.22,.7,.3,1);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--text);cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-btn);
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  padding:13px 12px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink);
  opacity:0;transform:translateX(12px);
}
.nav-drawer.is-open .drawer-links a{animation:drawerIn .32s ease-out forwards}
.nav-drawer.is-open .drawer-links a:nth-child(1){animation-delay:.04s}
.nav-drawer.is-open .drawer-links a:nth-child(2){animation-delay:.08s}
.nav-drawer.is-open .drawer-links a:nth-child(3){animation-delay:.12s}
.nav-drawer.is-open .drawer-links a:nth-child(4){animation-delay:.16s}
.nav-drawer.is-open .drawer-links a:nth-child(5){animation-delay:.20s}
@keyframes drawerIn{to{opacity:1;transform:translateX(0)}}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--c-primary-light);color:var(--c-primary-dark)}
.drawer-cta{margin-top:auto}

/* ============ Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:#0A7A50}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.cat-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,44,34,.94) 0%,rgba(10,90,64,.86) 42%,rgba(11,31,26,.42) 100%);
}
.cat-hero__inner{position:relative;z-index:2;padding:64px 24px 72px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.6}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:700;
  margin:16px 0 18px;max-width:820px;letter-spacing:-.5px;
}
.cat-hero__sub{
  color:rgba(255,255,255,.86);font-size:17px;max-width:640px;line-height:1.8;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-badge{
  display:flex;align-items:center;gap:10px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(15,163,107,.55);
  backdrop-filter:blur(3px);
}
.hero-badge b{color:#fff;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.hero-badge span{color:rgba(255,255,255,.82);font-size:13px;line-height:1}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:68px;z-index:90;
  background:rgba(247,251,249,.96);border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.anchor-inner{display:flex;align-items:center;gap:12px;padding:14px 24px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-label{font-size:13px;color:var(--muted);white-space:nowrap;flex:0 0 auto}
.anchor-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  background:#fff;border:1px solid var(--line);color:var(--text);white-space:nowrap;
  transition:border-color .16s ease-out,color .16s ease-out,background-color .16s ease-out;
}
.anchor-pill:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.anchor-pill.is-active{background:var(--c-primary-light);border-color:rgba(15,163,107,.4);color:var(--c-primary-dark);font-weight:600}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .pill{margin-bottom:14px}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.25;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text);line-height:1.85}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 2×3 卡片矩阵 ============ */
.card-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.matrix-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 24px 24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(15,163,107,.35)}
.matrix-card__icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary-dark);
}
.matrix-card__icon svg{width:22px;height:22px}
.matrix-card h3{font-size:20px;font-weight:600}
.matrix-card p{font-size:14.5px;line-height:1.8;color:var(--text)}
.matrix-card__foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:10px}
.matrix-card__foot a{font-size:13px;font-weight:600;color:var(--c-primary-dark)}
.matrix-card__foot a:hover{color:var(--c-primary)}

/* ============ 对比表 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare caption{
  text-align:left;padding:22px 26px 0;font-size:15px;color:var(--muted);font-weight:400;
}
table.compare th,table.compare td{
  padding:16px 26px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);
}
table.compare thead th{
  background:var(--c-primary-light);color:var(--ink);font-weight:600;font-size:14px;
  position:sticky;top:0;z-index:2;white-space:nowrap;
}
table.compare tbody tr:nth-child(even){background:#FBFDFC}
table.compare tbody tr:hover{background:var(--c-primary-light)}
table.compare td:first-child{font-weight:600;color:var(--ink)}
table.compare tbody tr:last-child td{border-bottom:0}
.num{font-variant-numeric:tabular-nums}
.table-note{padding:14px 26px;font-size:13px;color:var(--muted);background:#FBFDFC;border-top:1px solid var(--line)}

/* ============ 安全双栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split__media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line);position:relative}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;border-radius:var(--r-lg)}
.split__badge{
  position:absolute;left:18px;top:18px;padding:7px 16px;border-radius:var(--r-pill);
  background-image:var(--grad-promo);color:#fff;font-size:13px;font-weight:600;
  box-shadow:0 10px 20px -10px rgba(232,80,15,.8);
}
.split h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:16px}
.split p{font-size:16px;line-height:1.85;margin-bottom:20px}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.check-list .dot svg{width:12px;height:12px}
.check-list b{color:var(--ink);font-weight:600}

/* ============ 场景条 ============ */
.scene-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:#fff}
.scene-strip > div{padding:32px 26px}
.scene-strip > div:nth-child(odd){background:var(--c-primary-light)}
.scene-strip > div + div{border-left:1px solid var(--line)}
.scene-strip h3{font-size:17px;margin-bottom:8px}
.scene-strip p{font-size:14px;line-height:1.75;color:var(--text)}
.scene-strip b{display:block;font-size:28px;font-weight:700;color:var(--c-primary-dark);font-variant-numeric:tabular-nums;margin-bottom:6px}

/* ============ FAQ ============ */
.faq-list{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);min-height:44px;
  transition:background-color .16s ease-out,color .16s ease-out;
}
.faq-q:hover{background:#FBFDFC;color:var(--c-primary-dark)}
.faq-q:focus-visible{box-shadow:var(--focus)}
.faq-q .chev{flex:0 0 auto;width:22px;height:22px;color:var(--c-primary);transition:transform .24s ease-out}
.faq-item.is-open .faq-q{color:var(--c-primary-dark)}
.faq-item.is-open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a__inner{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--text);max-width:860px}

/* ============ 限时 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#0B1F1A;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.55) 0%,rgba(255,122,26,0) 70%);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;max-width:660px}
.cta-band__text .pill{margin-bottom:16px}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85}
.cta-band__act{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;flex:0 0 auto}
.cta-band__act .tip{font-size:13px;color:rgba(255,255,255,.62);text-align:center}

/* ============ 页脚 ============ */
.site-footer{background:#0B1F1A;color:rgba(255,255,255,.72);margin-top:80px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand span:last-child{font-size:17px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7)}
.qr-box{
  margin-top:18px;width:112px;height:112px;border-radius:14px;
  border:1px dashed rgba(255,255,255,.32);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 32px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:110;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--c-primary-dark);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out,transform .18s ease-out;
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-matrix{grid-template-columns:repeat(3,1fr)}
  .command-search{width:260px}
}
@media (max-width:1023px){
  .nav-links,.command-search,.nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{gap:16px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .cat-hero__inner{padding:48px 24px 56px}
  .card-matrix{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .scene-strip{grid-template-columns:repeat(2,1fr)}
  .scene-strip > div:nth-child(odd){background:var(--c-primary-light)}
  .scene-strip > div:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .scene-strip > div:nth-child(4){border-top:1px solid var(--line)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .cta-band__act{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-inner{padding:0 18px}
  .brand__text{font-size:15px;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .section{padding:48px 0}
  .section--tight{padding:44px 0}
  .cat-hero__inner{padding:38px 18px 46px}
  .cat-hero__sub{font-size:15.5px}
  .hero-cta{width:100%}
  .hero-cta .btn{width:100%}
  .hero-badge{padding:9px 16px}
  .hero-badge b{font-size:19px}
  .anchor-bar{top:60px}
  .anchor-inner{padding:12px 18px}
  .card-matrix{grid-template-columns:1fr}
  .scene-strip{grid-template-columns:1fr}
  .scene-strip > div + div{border-left:0;border-top:1px solid var(--line)}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a__inner{padding:0 18px 20px}
  table.compare th,table.compare td{padding:14px 18px}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .cat-hero h1{font-size:28px}
  .section-head h2{font-size:23px}
  .btn{padding:12px 20px;font-size:15px}
  .matrix-card{padding:22px 18px}
  .to-top{right:14px;bottom:14px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FA36B;
  --c-primary-dark:#0A7A50;
  --c-primary-soft:#E6F7F0;
  --c-accent:#FF7A1A;
  --c-accent-soft:#FFF1E6;
  --c-accent-deep:#E8500F;
  --ink:#0B1F1A;
  --text:#4A5A55;
  --muted:#8A9A94;
  --border:#E3EDE8;
  --bg:#F7FBF9;
  --card:#FFFFFF;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.04);
  --sh-2:0 8px 24px -8px rgba(11,31,26,.10);
  --sh-3:0 16px 40px -12px rgba(11,31,26,.18);
  --grad-brand:linear-gradient(125deg,#0A7A50 0%,#0FA36B 52%,#3ED08F 100%);
  --grad-btn:linear-gradient(100deg,#0FA36B 0%,#17C39A 100%);
  --grad-badge:linear-gradient(100deg,#FF7A1A 0%,#E8500F 100%);
  --focus:0 0 0 3px rgba(15,163,107,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16.5px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
h1{font-size:clamp(34px,4.4vw,52px);line-height:1.15}
h2{font-size:clamp(26px,3vw,36px)}
h3{font-size:20px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:10px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--top0{padding-top:0}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{max-width:1200px;margin:0 auto;height:68px;padding:0 24px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:32px;height:32px;border-radius:10px;background-image:var(--grad-brand);color:#fff;font-weight:700;font-size:16px;display:grid;place-items:center;flex-shrink:0;box-shadow:0 4px 12px -6px rgba(10,122,80,.8)}
.brand__text{font-size:16.5px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:20px;flex-shrink:0}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;white-space:nowrap;transition:color .16s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-primary);border-radius:2px;transition:width .2s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--c-primary-dark);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{display:flex;align-items:center;gap:8px;width:250px;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:12px;background:var(--bg);transition:border-color .16s ease,background .16s ease,box-shadow .16s ease}
.command-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0}
.command-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.command-search input::placeholder{color:var(--muted)}
.command-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(15,163,107,.14)}
.command-search kbd{font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:1px 5px;background:#fff;font-family:inherit;line-height:1.4}
.nav-quick{font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;transition:color .16s ease}
.nav-quick:hover{color:var(--c-primary)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);align-items:center;justify-content:center;color:var(--ink);transition:border-color .16s ease,color .16s ease}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,background .16s ease,color .16s ease,border-color .16s ease}
.btn--primary{background-image:var(--grad-btn);color:#fff;box-shadow:0 8px 20px -10px rgba(15,163,107,.75)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:var(--sh-3)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;border:1.5px solid var(--border);color:var(--ink)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn--light{background:#fff;color:var(--c-primary-dark)}
.btn--light:hover{filter:brightness(1.02);box-shadow:var(--sh-3)}
.btn--pill{border-radius:var(--r-pill)}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(.3)}
.nav-cta{height:40px;padding:0 20px;border-radius:var(--r-pill);font-size:14px}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,31,26,.44);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;border-radius:24px 0 0 24px;padding:24px;transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:95;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer__title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);display:grid;place-items:center;color:var(--ink)}
.drawer a{padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text);transition:background .16s ease,color .16s ease}
.drawer a:hover,.drawer a.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.drawer .drawer__search{margin:12px 0 6px;display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--border);border-radius:12px;background:var(--bg)}
.drawer .drawer__search svg{width:16px;height:16px;color:var(--muted)}
.drawer .drawer__search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer .drawer__cta{margin-top:14px;width:100%}

/* ---------- 面包屑 / 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:#0B1F1A;color:#fff}
.cat-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.cat-hero__overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,31,26,.94) 0%,rgba(11,31,26,.80) 46%,rgba(11,31,26,.42) 100%)}
.cat-hero__inner{position:relative;z-index:2;padding-top:80px;padding-bottom:76px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.breadcrumb a{transition:color .16s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.35)}
.breadcrumb em{font-style:normal;color:#fff;font-weight:500}
.cat-hero h1{color:#fff;max-width:820px;letter-spacing:-.01em}
.cat-hero__sub{margin-top:18px;max-width:620px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82)}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);font-size:13px;font-weight:500;border:1px solid var(--border);background:#fff;color:var(--ink)}
.badge b{font-size:16px;font-weight:700;color:var(--c-primary-dark);font-variant-numeric:tabular-nums}
.cat-hero .badge{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26);color:rgba(255,255,255,.92);backdrop-filter:blur(4px)}
.cat-hero .badge b{color:#8CF0C4}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cat-hero .btn--ghost{background:transparent;border-color:rgba(255,255,255,.36);color:#fff}
.cat-hero .btn--ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1)}

/* ---------- 锚点条 ---------- */
.anchor-bar{position:sticky;top:68px;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}
.anchor-bar__inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-pill{padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--border);background:#fff;font-size:14px;color:var(--text);white-space:nowrap;transition:border-color .16s ease,color .16s ease,background .16s ease}
.anchor-pill:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.anchor-pill.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary-dark);font-weight:600}

/* ---------- 通用板块头 ---------- */
.sec-head{margin-bottom:34px;max-width:760px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary-dark);letter-spacing:.04em;margin-bottom:12px}
.sec-eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-primary)}
.sec-head p{margin-top:14px;font-size:16px;color:var(--text)}

/* ---------- 安装前准备 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prep-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-2);transition:transform .2s ease,box-shadow .2s ease}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.prep-icon{width:44px;height:44px;border-radius:14px;background:var(--c-primary-soft);color:var(--c-primary-dark);display:grid;place-items:center;margin-bottom:16px}
.prep-icon svg{width:22px;height:22px}
.prep-card h3{margin-bottom:10px}
.prep-card p{font-size:15px;line-height:1.8}

/* ---------- 布局：主内容 + 侧栏 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;align-items:start}
.side-stack{position:sticky;top:150px;display:grid;gap:20px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:24px}
.card-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--ink);margin-bottom:14px}
.card-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary)}
.card img{margin-bottom:16px}
.side-note{font-size:13.5px;line-height:1.8;color:var(--muted);margin-top:14px}
.side-tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--c-accent-deep);background:var(--c-accent-soft);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding:0;margin:0;list-style:none}
.timeline::before{content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--c-primary) 0%,#B7E6D3 70%,var(--border) 100%);border-radius:2px}
.tl-item{position:relative;padding-left:78px;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-node{position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--c-primary);color:var(--c-primary-dark);display:grid;place-items:center;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;box-shadow:var(--sh-1);z-index:1;transition:background .2s ease,color .2s ease}
.tl-item:hover .tl-node{background-image:var(--grad-btn);color:#fff;border-color:transparent}
.tl-body{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:24px 26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.tl-item:hover .tl-body{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tl-body h3{margin-bottom:10px}
.tl-body p{font-size:15.5px;line-height:1.8}
.dot-list{margin-top:14px}
.dot-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:var(--text);margin-top:8px}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.tl-meta{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--c-primary-dark);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 12px;font-weight:500}

/* ---------- 对比表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--sh-2);overflow:hidden}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:660px}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--border);vertical-align:top}
table.compare thead th{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;font-size:14px;white-space:nowrap}
table.compare tbody tr:nth-child(even){background:#FAFDFC}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td strong{color:var(--ink);font-weight:600}
table.compare tbody tr{transition:background .16s ease}
table.compare tbody tr:hover{background:var(--c-primary-soft)}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--sh-2);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--border)}
.faq-q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);text-align:left;transition:background .16s ease}
.faq-q:hover{background:var(--bg)}
.faq-q svg{width:18px;height:18px;flex-shrink:0;color:var(--c-primary);transition:transform .24s ease}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:#0B1F1A;color:#fff;padding:52px 48px;display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:center}
.cta-band::after{content:"";position:absolute;right:-130px;top:-140px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,26,.55) 0%,rgba(255,122,26,0) 70%)}
.cta-band__copy{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px)}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.78);max-width:560px}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;justify-self:end;width:100%;max-width:280px}
.cta-band__actions .btn{width:100%}
.cta-mini{font-size:13px;color:rgba(255,255,255,.6);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B1F1A;color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;max-width:330px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.7}
.footer-col a{transition:color .16s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{color:rgba(255,255,255,.66)}
.qr-box{width:112px;height:112px;border-radius:16px;border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.6);margin-top:16px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .command-search{display:none}
}
@media (max-width:1023px){
  .nav-links,.nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .cat-hero__inner{padding-top:64px;padding-bottom:60px}
  .layout{grid-template-columns:1fr;gap:36px}
  .side-stack{position:static;grid-template-columns:repeat(2,1fr);display:grid}
  .prep-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-band__actions{justify-self:stretch;max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  .brand__text{font-size:15px}
  .section{padding:48px 0}
  .section--tight{padding:44px 0}
  .cat-hero__inner{padding-top:52px;padding-bottom:50px}
  .cat-hero__sub{font-size:16px}
  .badge-row{gap:10px;margin-top:24px}
  .badge{padding:7px 13px;font-size:12.5px}
  .hero-actions{margin-top:24px}
  .side-stack{grid-template-columns:1fr}
  .timeline::before{left:21px}
  .tl-item{padding-left:62px;padding-bottom:24px}
  .tl-node{width:44px;height:44px;font-size:15px}
  .tl-body{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:64px;padding-top:48px}
  .cta-band{padding:32px 22px;border-radius:20px}
}
@media (max-width:480px){
  h1{font-size:clamp(28px,7.4vw,34px)}
  .table-scroll table.compare th,.table-scroll table.compare td{padding:13px 15px}
  .cta-band__actions .btn,.hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column}
}

/* roulang page: category4 */
/* ========== 设计变量 ========== */
:root{
  --c-primary:#0FA36B;
  --c-primary-d:#0A7A50;
  --c-primary-l:#E6F7F0;
  --c-accent:#FF7A1A;
  --c-accent-l:#FFF1E6;
  --c-accent-d:#E8500F;
  --ink:#0B1F1A;
  --text:#4A5A55;
  --muted:#8A9A94;
  --line:#E3EDE8;
  --bg:#F7FBF9;
  --card:#FFFFFF;
  --g-brand:linear-gradient(125deg,#0A7A50 0%,#0FA36B 55%,#3ED08F 100%);
  --g-btn:linear-gradient(100deg,#0FA36B 0%,#17C39A 100%);
  --g-badge:linear-gradient(100deg,#FF7A1A 0%,#E8500F 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.04);
  --sh-2:0 8px 24px -8px rgba(11,31,26,.10);
  --sh-3:0 16px 40px -12px rgba(11,31,26,.18);
  --focus:0 0 0 3px rgba(15,163,107,.28);
  --ct:1200px;
  --gap:24px;
}
/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary-d);text-decoration:none;transition:color .16s ease-out,opacity .16s ease-out;}
a:hover{color:var(--c-primary);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px;}
.num{font-variant-numeric:tabular-nums;}
.container{max-width:var(--ct);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  background:var(--g-btn);color:#fff;font-size:15px;font-weight:600;letter-spacing:.2px;
  box-shadow:0 8px 20px -10px rgba(15,163,107,.65);
  transition:filter .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
  white-space:nowrap;
}
.btn:hover{filter:brightness(1.06);color:#fff;box-shadow:0 12px 26px -10px rgba(15,163,107,.7);}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:none;transform:none;}
.btn--ghost{
  background:#fff;color:var(--c-primary-d);border:1.5px solid var(--line);box-shadow:var(--sh-1);
}
.btn--ghost:hover{color:var(--c-primary-d);border-color:var(--c-primary);filter:none;background:var(--c-primary-l);}
.btn--lg{padding:15px 32px;font-size:16px;}
.btn--block{width:100%;}
.btn--dark{background:#0B1F1A;color:#fff;box-shadow:0 8px 20px -12px rgba(11,31,26,.8);}
.btn--dark:hover{background:#13302a;color:#fff;}

/* ========== 徽章 ========== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.6;
  background:var(--c-primary-l);color:var(--c-primary-d);border:1px solid rgba(15,163,107,.18);
}
.badge--accent{background:var(--c-accent-l);color:var(--c-accent-d);border-color:rgba(255,122,26,.25);}
.badge--plain{background:#fff;color:var(--muted);border-color:var(--line);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:none;}
.badge--accent .dot{background:var(--c-accent);}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-inner{
  max-width:var(--ct);margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--g-brand);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 14px -8px rgba(10,122,80,.9);
}
.brand__text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;border-radius:2px;
}
.nav-links a:hover{color:var(--c-primary-d);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--c-primary-d);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;width:300px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:8px 12px;transition:border-color .16s ease-out,background .16s ease-out,box-shadow .16s ease-out;
}
.command-search svg{width:17px;height:17px;color:var(--muted);flex:none;}
.command-search input{
  border:0;background:transparent;width:100%;font-size:14px;color:var(--ink);outline:none;
}
.command-search input::placeholder{color:var(--muted);}
.command-search kbd{
  font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;font-family:inherit;flex:none;
}
.command-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:var(--focus);}
.nav-quick{font-size:14px;font-weight:500;color:var(--text);}
.nav-quick:hover{color:var(--c-primary-d);}
.nav-cta{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink);background:#fff;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-d);}

/* ========== 移动端抽屉 ========== */
.drawer{
  position:fixed;inset:0;z-index:80;pointer-events:none;
}
.drawer__mask{
  position:absolute;inset:0;background:rgba(11,31,26,.45);opacity:0;transition:opacity .24s ease-out;
}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:#fff;border-radius:24px 0 0 24px;padding:24px 22px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  box-shadow:-20px 0 50px -24px rgba(11,31,26,.4);
}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open .drawer__mask{opacity:1;}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary-d);}
.drawer__links{display:flex;flex-direction:column;}
.drawer__links a{
  padding:14px 4px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);opacity:0;transform:translateY(6px);
}
.drawer.is-open .drawer__links a{opacity:1;transform:none;transition:opacity .3s ease-out,transform .3s ease-out;}
.drawer.is-open .drawer__links a:nth-child(1){transition-delay:.06s;}
.drawer.is-open .drawer__links a:nth-child(2){transition-delay:.10s;}
.drawer.is-open .drawer__links a:nth-child(3){transition-delay:.14s;}
.drawer.is-open .drawer__links a:nth-child(4){transition-delay:.18s;}
.drawer.is-open .drawer__links a:nth-child(5){transition-delay:.22s;}
.drawer__links a.is-active{color:var(--c-primary-d);}
.drawer .command-search{width:100%;}

/* ========== 面包屑 ========== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--c-primary-d);}
.breadcrumb span.sep{color:#C6D6CF;}

/* ========== 分类 Hero ========== */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(247,251,249,.97) 0%,rgba(247,251,249,.90) 42%,rgba(247,251,249,.62) 100%),
                   url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:76px 0 68px;
  border-bottom:1px solid var(--line);
}
.cat-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary-d);background:#fff;border:1px solid rgba(15,163,107,.22);
  padding:6px 14px;border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.cat-hero h1{
  font-size:clamp(30px,3.8vw,46px);line-height:1.18;font-weight:700;color:var(--ink);
  margin:18px 0 14px;letter-spacing:-.4px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary-d);}
.cat-hero__sub{font-size:17px;color:var(--text);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.stat-badge{
  background:rgba(255,255,255,.82);border:1px solid rgba(15,163,107,.22);
  border-radius:var(--r-pill);padding:10px 18px;display:flex;align-items:baseline;gap:8px;
  backdrop-filter:blur(2px);box-shadow:var(--sh-1);
}
.stat-badge b{font-size:24px;font-weight:700;color:var(--c-primary-d);letter-spacing:-.5px;}
.stat-badge span{font-size:13px;color:var(--muted);}
.media-card{
  position:relative;background:#fff;border-radius:var(--r-lg);padding:14px;
  box-shadow:var(--sh-2);border:1px solid var(--line);
}
.media-card img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);}
.promo-ribbon{
  position:absolute;top:26px;left:-6px;z-index:2;
  background:var(--g-badge);color:#fff;font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:var(--r-pill);
  box-shadow:0 10px 22px -10px rgba(232,80,15,.75);
}
.media-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 6px 4px;}
.media-card__foot strong{font-size:15px;color:var(--ink);font-weight:600;}
.media-card__foot span{font-size:13px;color:var(--muted);}

/* ========== 锚点导航 ========== */
.anchor-wrap{
  position:sticky;top:68px;z-index:40;background:rgba(247,251,249,.95);
  border-bottom:1px solid var(--line);
}
.anchor-nav{display:flex;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none;}
.anchor-nav::-webkit-scrollbar{display:none;}
.anchor-nav a{
  flex:none;font-size:14px;font-weight:500;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 18px;transition:all .16s ease-out;
}
.anchor-nav a:hover{color:var(--c-primary-d);border-color:var(--c-primary);background:var(--c-primary-l);}
.anchor-nav a.is-active{background:var(--c-primary-l);border-color:rgba(15,163,107,.45);color:var(--c-primary-d);font-weight:600;}

/* ========== 板块 ========== */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.section-head p{margin-top:14px;font-size:16px;color:var(--text);}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ========== 权益卡片 ========== */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(15,163,107,.3);}
.card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.card p{font-size:15px;color:var(--text);}
.icon-chip{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-l);color:var(--c-primary-d);margin-bottom:16px;
}
.icon-chip svg{width:22px;height:22px;}
.icon-chip--accent{background:var(--c-accent-l);color:var(--c-accent-d);}
.card__meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}

/* 权益时间线式列表 */
.rule-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.rule-list li{position:relative;padding-left:18px;font-size:15px;color:var(--text);}
.rule-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}

/* ========== FAQ 分栏 ========== */
.faq-split{display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:start;}
.faq-nav{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px;box-shadow:var(--sh-1);position:sticky;top:146px;
}
.faq-nav__title{font-size:13px;font-weight:600;color:var(--muted);padding:6px 10px 12px;letter-spacing:.4px;}
.faq-nav__item{
  display:flex;gap:10px;width:100%;text-align:left;
  padding:12px 12px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text);
  line-height:1.6;transition:background .16s ease-out,color .16s ease-out;
}
.faq-nav__item i{
  font-style:normal;flex:none;font-size:12px;font-weight:700;color:var(--muted);
  width:20px;height:20px;border-radius:6px;background:var(--bg);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.faq-nav__item:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.faq-nav__item.is-active{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600;}
.faq-nav__item.is-active i{background:var(--c-primary);color:#fff;}
.faq-answer{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh-1);}
.answer-panel{display:none;}
.answer-panel.is-active{display:block;animation:fadeUp .28s ease-out;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.answer-panel h3{font-size:23px;font-weight:600;color:var(--ink);margin-bottom:14px;line-height:1.4;}
.answer-panel p{margin-bottom:14px;font-size:16px;}
.answer-panel ul{margin:6px 0 16px;display:flex;flex-direction:column;gap:8px;}
.answer-panel ul li{position:relative;padding-left:18px;font-size:15px;color:var(--text);}
.answer-panel ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.tip-box{
  background:var(--c-primary-l);border-left:4px solid var(--c-primary);
  border-radius:12px;padding:16px 20px;font-size:15px;color:var(--c-primary-d);
}
.tip-box strong{font-weight:600;}

/* ========== 促销条 ========== */
.promo-strip{
  background:var(--c-accent-l);border:1px solid rgba(255,122,26,.28);
  border-radius:var(--r-lg);padding:28px 32px;
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
}
.promo-strip__text h3{font-size:21px;font-weight:700;color:#8A3B06;margin-bottom:6px;}
.promo-strip__text p{font-size:15px;color:#A6521A;}
.countdown{display:flex;align-items:center;gap:8px;}
.cd-cell{
  background:#fff;border:1px solid rgba(255,122,26,.35);border-radius:12px;
  min-width:56px;padding:8px 6px;text-align:center;
}
.cd-cell b{display:block;font-size:22px;font-weight:700;color:var(--c-accent-d);line-height:1.2;font-variant-numeric:tabular-nums;}
.cd-cell span{font-size:11px;color:#A6521A;}

/* ========== 客服通道 ========== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.channel-card{display:flex;flex-direction:column;gap:12px;}
.channel-card ul li{font-size:14px;color:var(--muted);position:relative;padding-left:16px;margin-top:6px;}
.channel-card ul li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--c-accent);}
.table-wrap{
  margin-top:32px;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;font-size:15px;}
thead th{
  background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600;font-size:14px;
  text-align:left;padding:14px 20px;white-space:nowrap;
}
tbody td{padding:14px 20px;border-top:1px solid var(--line);color:var(--text);}
tbody tr:nth-child(even){background:#FBFEFC;}
tbody td strong{color:var(--ink);font-weight:600;}

/* ========== 收尾 CTA ========== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#0B1F1A;padding:56px;color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,122,26,.55) 0%,rgba(255,122,26,0) 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;color:#fff;line-height:1.3;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.78);max-width:520px;}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-band .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.38);}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ========== 页脚 ========== */
.site-footer{background:#0B1F1A;color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand__mark{width:30px;height:30px;font-size:15px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col ul li a:hover{color:#3ED08F;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px;}
.qr-box{
  margin-top:16px;width:112px;height:112px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.5);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ========== 返回顶部 ========== */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:50;
  width:46px;height:46px;border-radius:14px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-d);
  box-shadow:var(--sh-2);opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:none;}
.to-top:hover{background:var(--c-primary-l);border-color:var(--c-primary);}

/* ========== 响应式 ========== */
@media (max-width:1279px){
  .command-search{width:250px;}
  .nav-links{gap:20px;}
}
@media (max-width:1024px){
  .nav-links,.command-search,.nav-quick{display:none;}
  .nav-toggle{display:flex;}
  .cat-hero__grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero{padding:56px 0 52px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:1fr 1fr;}
  .faq-split{grid-template-columns:1fr;}
  .faq-nav{position:static;display:flex;gap:10px;overflow-x:auto;padding:12px;}
  .faq-nav__title{display:none;}
  .faq-nav__item{flex:none;width:auto;white-space:nowrap;background:var(--bg);}
  .faq-nav__item span{display:inline;}
  .section{padding:64px 0;}
  .cta-band{grid-template-columns:1fr;padding:44px;}
  .cta-band__actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav-inner{padding:0 18px;gap:12px;}
  .brand__text{font-size:15px;}
  .cat-hero{padding:44px 0 40px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions .btn{width:100%;}
  .stat-badge b{font-size:20px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .grid-4,.grid-3,.channel-grid{grid-template-columns:1fr;}
  .faq-answer{padding:24px;}
  .promo-strip{padding:22px;flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 24px;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:18px;}
  .table-wrap{overflow-x:auto;}
  table{min-width:560px;}
}
@media (max-width:480px){
  .brand__text{font-size:14px;}
  .section-head h2{font-size:22px;}
  .card{padding:20px;}
  .cd-cell{min-width:48px;}
  .cd-cell b{font-size:18px;}
}