/* roulang page: index */
:root{
  --primary:#0E7C66;
  --primary-700:#0A5F4F;
  --primary-400:#3FB59A;
  --primary-50:#E8F5F1;
  --accent:#FF8A3D;
  --accent-50:#FFEDE0;
  --ink-900:#08201B;
  --ink-800:#0C1A17;
  --ink-500:#5B6F6A;
  --line:#E3EAE7;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --ok:#16A34A;
  --warn:#E5484D;
  --note:#C08A00;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-sm:0 2px 8px rgba(8,32,27,.05);
  --sh-md:0 10px 28px rgba(8,32,27,.08);
  --sh-lg:0 20px 48px rgba(8,32,27,.12);
  --grad-brand:linear-gradient(135deg,#0E7C66 0%,#14A085 48%,#8BD6A0 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D,#FFB25E);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink-800);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.15em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.num{font-family:"Inter","Noto Sans SC",sans-serif;font-variant-numeric:tabular-nums}
.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:99}
.skip:focus{left:0}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-md);background:rgba(255,255,255,.92);backdrop-filter:blur(10px)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(14,124,102,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.brand-text span{font-size:11.5px;color:var(--ink-500);letter-spacing:.06em}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-main a{
  position:relative;padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink-800);
  transition:background .2s ease,color .2s ease;
}
.nav-main a:hover{background:var(--primary-50);color:var(--primary-700)}
.nav-main a.active{color:var(--primary-700);font-weight:700}
.nav-main a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;height:3px;border-radius:3px;background:var(--primary);
}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:8px 14px;min-width:190px;
}
.nav-search svg{width:16px;height:16px;flex-shrink:0;color:var(--ink-500)}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#9AAFA9}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;color:var(--ink-800)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,138,61,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,138,61,.26)}
.btn-solid{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,124,102,.24)}
.btn-solid:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:0 14px 28px rgba(14,124,102,.3)}
.btn-solid:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary-700)}
.btn-ghost:hover{background:var(--primary-50)}
.btn-light{background:#fff;color:var(--primary-700)}
.btn-light:hover{background:var(--primary-50);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:999px;font-weight:600}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary-700);font-weight:700;font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ Section 基础 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--primary)}
.sec-title h2{font-size:31px;font-weight:800;letter-spacing:-.015em;line-height:1.3}
.sec-title p{margin-top:8px;color:var(--ink-500);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;background:var(--primary-50);color:var(--primary-700);
  font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.02em;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-brand{background:var(--primary);color:#fff}
.badge-accent{background:var(--grad-accent);color:#fff}
.badge-soft{background:var(--primary-50);color:var(--primary-700)}
.tag{font-size:13.5px;color:var(--ink-500)}

/* ============ Hero ============ */
.hero{padding:56px 0 72px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;background:
    radial-gradient(760px 420px at 88% -10%,rgba(139,214,160,.22),transparent 66%),
    radial-gradient(520px 320px at -6% 20%,rgba(232,245,241,.9),transparent 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{font-size:46px;line-height:1.24;font-weight:800;letter-spacing:-.02em;margin:18px 0 16px;color:var(--ink-900)}
.hero h1 em{font-style:normal;color:var(--primary);position:relative}
.hero-sub{font-size:17.5px;color:var(--ink-500);max-width:560px;line-height:1.8}
.hero-trust{margin-top:14px;font-size:14px;color:var(--primary-700);display:flex;align-items:center;gap:8px}
.hero-trust svg{width:16px;height:16px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;max-width:600px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;box-shadow:var(--sh-sm);
}
.stat b{display:block;font-size:27px;font-weight:800;color:var(--ink-900);line-height:1.1}
.stat b i{font-style:normal;font-size:14px;font-weight:600;color:var(--ink-500);margin-left:3px}
.stat span{font-size:12.5px;color:var(--ink-500)}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lg);background:var(--grad-brand);aspect-ratio:4/3}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.94}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,32,27,.06) 30%,rgba(8,32,27,.5) 100%);
}
.float-card{
  position:absolute;left:20px;bottom:20px;right:auto;z-index:2;width:min(280px,72%);
  background:rgba(255,255,255,.96);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-md);
}
.float-card strong{display:block;font-size:15px;color:var(--ink-900)}
.float-card p{font-size:13px;color:var(--ink-500);margin-top:4px;line-height:1.6}
.float-card .badge{margin-top:10px}
.float-score{
  position:absolute;right:18px;top:18px;z-index:2;background:rgba(255,255,255,.96);
  border-radius:var(--r-sm);padding:10px 14px;box-shadow:var(--sh-md);text-align:center;
}
.float-score b{display:block;font-size:20px;font-weight:800;color:var(--primary-700);line-height:1.1}
.float-score span{font-size:11.5px;color:var(--ink-500)}

/* ============ 保障条 ============ */
.guard{background:var(--primary-50);border-radius:20px;padding:26px 28px}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.guard-item{display:flex;gap:13px;align-items:flex-start}
.guard-ico{
  width:44px;height:44px;flex-shrink:0;border-radius:14px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;
}
.guard-ico svg{width:22px;height:22px}
.guard-item strong{display:block;font-size:15px;font-weight:800;color:var(--ink-900)}
.guard-item p{font-size:12.8px;color:var(--ink-500);line-height:1.6;margin-top:3px}

/* ============ 卡片网格（非对称） ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-md);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-brand)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:14px;top:14px;z-index:2}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;gap:10px}
.card-body h3{font-size:19px;font-weight:800;line-height:1.45;color:var(--ink-900)}
.card-body p{font-size:14.5px;color:var(--ink-500);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-foot .meta{font-size:13px;color:var(--ink-500)}
.card-foot .meta b{color:var(--ink-900);font-weight:800;font-size:15px}
.card-wide{grid-column:span 2;flex-direction:row}
.card-wide .card-media{aspect-ratio:auto;width:46%;flex-shrink:0}
.card-wide .card-body{padding:28px 30px}
.card-wide .card-body h3{font-size:22px}
.card-wide .card-body p{-webkit-line-clamp:3}

/* ============ 图文长列表 ============ */
.feed{border-top:1px solid var(--line)}
.feed-item{
  display:grid;grid-template-columns:220px 1fr;gap:26px;padding:26px 16px;border-bottom:1px solid var(--line);
  border-radius:var(--r-md);transition:background .2s ease;
}
.feed-item:hover{background:var(--primary-50)}
.feed-thumb{border-radius:var(--r-md);overflow:hidden;aspect-ratio:20/13;background:var(--grad-brand)}
.feed-thumb img{width:100%;height:100%;object-fit:cover}
.feed-body h3{font-size:20px;font-weight:800;color:var(--ink-900);line-height:1.45}
.feed-body p{margin-top:9px;font-size:14.6px;color:var(--ink-500);line-height:1.8}
.feed-meta{margin-top:12px;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-500);flex-wrap:wrap}
.feed-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7D5D1}

/* ============ 评价轮播 ============ */
.reviews{background:var(--ink-900);color:#fff;border-radius:32px;padding:56px 40px}
.reviews .sec-title::before{background:var(--primary-400)}
.reviews .sec-title h2{color:#fff}
.reviews .sec-title p{color:rgba(255,255,255,.66)}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.review{
  scroll-snap-align:start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:12px;
}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;background:var(--grad-brand);flex-shrink:0}
.avatar img{width:100%;height:100%;object-fit:cover}
.review-top strong{display:block;font-size:15px}
.review-top span{font-size:12.5px;color:rgba(255,255,255,.6)}
.stars{color:#FFC24B;font-size:14px;letter-spacing:2px}
.review p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82)}
.review-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55)}
.rail-dots{display:flex;gap:8px;justify-content:center;margin-top:22px}
.rail-dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.28);cursor:pointer;transition:all .2s ease}
.rail-dots i.on{background:var(--primary-400);width:22px;border-radius:4px}

/* ============ CMS 列表区 ============ */
.news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;align-items:start}
.news-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-md);transition:transform .22s ease,box-shadow .22s ease;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.news-lead .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--grad-brand)}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover}
.news-lead .body{padding:26px 28px 28px}
.news-lead h3{font-size:23px;font-weight:800;line-height:1.42;color:var(--ink-900);margin-top:10px}
.news-lead p{margin-top:10px;font-size:15px;color:var(--ink-500);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-list{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-sm);overflow:hidden}
.news-row{padding:20px 24px;border-bottom:1px solid var(--line);transition:background .2s ease}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:var(--primary-50)}
.news-row h3{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink-900);margin-top:7px}
.news-row p{margin-top:7px;font-size:13.8px;color:var(--ink-500);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:10px;display:flex;align-items:center;gap:10px;font-size:12.8px;color:var(--ink-500)}
.empty{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center;
}
.empty svg{width:48px;height:48px;color:#B8C7C3;margin:0 auto 14px}
.empty p{font-size:14.5px;color:var(--ink-500);margin-bottom:18px}

/* ============ 表单 / 订阅 ============ */
.subscribe{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:40px;box-shadow:var(--sh-md);
}
.subscribe h2{font-size:27px;font-weight:800;color:var(--ink-900);letter-spacing:-.015em;line-height:1.35}
.subscribe p{margin-top:12px;color:var(--ink-500);font-size:15px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;color:var(--ink-800)}
.field input,.field textarea{
  width:100%;height:48px;padding:0 15px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:104px;padding:12px 15px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(14,124,102,.14)}
.field .hint{font-size:13px;color:var(--ink-500);margin-top:6px}
.field.error input{border-color:var(--warn);box-shadow:0 0 0 3px rgba(229,72,77,.12)}
.field .err{display:none;font-size:13px;color:var(--warn);margin-top:6px}
.field.error .err{display:block}
.form-ok{
  display:none;align-items:center;gap:10px;background:var(--primary-50);color:var(--primary-700);
  border-radius:var(--r-sm);padding:13px 16px;font-size:14px;font-weight:700;margin-bottom:16px;
}
.form-ok.show{display:flex}

/* ============ CTA 大区块 ============ */
.cta-band{margin:0 24px}
.cta-inner{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:52px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-lg);
}
.cta-inner h2{font-size:30px;font-weight:800;letter-spacing:-.015em;line-height:1.35}
.cta-inner p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.85);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .2s ease}
.faq-item.open{box-shadow:var(--sh-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  background:none;border:0;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink-900);cursor:pointer;
}
.faq-q .ico{
  width:28px;height:28px;flex-shrink:0;border-radius:9px;background:var(--primary-50);color:var(--primary-700);
  display:grid;place-items:center;font-size:17px;font-weight:800;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* ============ Footer ============ */
.site-footer{background:var(--ink-900);color:#fff;margin-top:88px;padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.foot-brand .brand-text b{color:#fff}
.foot-brand .brand-text span{color:rgba(255,255,255,.55)}
.foot-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;max-width:320px}
.foot-contact{margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.75);display:flex;flex-direction:column;gap:7px}
.foot-col h4{font-size:15px;font-weight:800;margin-bottom:16px;color:#fff}
.foot-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.foot-col a:hover{color:var(--primary-400)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动 Tab / Sticky CTA ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:60px}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--ink-500);position:relative;
}
.tabbar a svg{width:22px;height:22px}
.tabbar a.active{color:var(--primary-700);font-weight:700}
.tabbar a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:4px;border-radius:0 0 4px 4px;background:var(--primary)}
.sticky-cta{
  display:none;position:fixed;left:12px;right:12px;bottom:calc(68px + env(safe-area-inset-bottom));z-index:69;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-lg);
  padding:9px 12px;align-items:center;gap:12px;
}
.sticky-cta span{font-size:12px;color:var(--ink-500);flex:1}
.sticky-cta .btn{height:40px;padding:0 16px;font-size:14px}
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(8,32,27,.98);display:none;flex-direction:column;
  padding:22px 24px calc(24px + env(safe-area-inset-bottom));
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:20px;cursor:pointer}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{color:#fff;font-size:17px;font-weight:700;padding:15px 12px;border-radius:14px}
.drawer nav a:hover,.drawer nav a.active{background:rgba(255,255,255,.1);color:var(--primary-400)}
.drawer-foot{margin-top:auto}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-main,.nav-search{display:none}
  .nav-toggle{display:flex}
  .tabbar{display:block}
  .sticky-cta.show{display:flex}
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:-1;aspect-ratio:16/11}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .card-wide{grid-column:span 2;flex-direction:column}
  .card-wide .card-media{width:100%;aspect-ratio:16/10}
  .news-layout{grid-template-columns:1fr}
  .subscribe{grid-template-columns:1fr;gap:26px;padding:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .reviews{padding:44px 26px}
  .rail{grid-auto-columns:70%}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .container{padding:0 16px}
  .hero{padding:36px 0 52px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .guard-grid{grid-template-columns:1fr 1fr;gap:18px}
  .guard{padding:22px 18px}
  .card-grid{grid-template-columns:1fr}
  .card-wide{grid-column:span 1}
  .sec-title h2{font-size:23px}
  .feed-item{grid-template-columns:1fr;gap:16px;padding:20px 12px}
  .cta-band{margin:0 16px}
  .cta-inner{padding:32px 22px}
  .cta-inner h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .rail{grid-auto-columns:85%}
  .reviews{padding:34px 18px;border-radius:24px}
  .site-footer{margin-top:64px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-col ul{gap:9px}
  .subscribe{padding:24px 18px}
  .subscribe h2{font-size:22px}
  .news-lead .body{padding:20px}
  .news-lead h3{font-size:19px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .brand-text b{font-size:15.5px}
}
@media (max-width:479px){
  .hero h1{font-size:27px}
  .hero-stats{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --primary:#0E7C66;
  --primary-700:#0A5F4F;
  --primary-400:#3FB59A;
  --primary-50:#E8F5F1;
  --accent:#FF8A3D;
  --accent-50:#FFEDE0;
  --ink-900:#08201B;
  --ink-800:#0C1A17;
  --ink-500:#5B6F6A;
  --line:#E3EAE7;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --success:#16A34A;
  --warn:#E5484D;
  --notice:#C08A00;
  --grad-brand:linear-gradient(135deg,#0E7C66 0%,#14A085 48%,#8BD6A0 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D,#FFB25E);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:14px;
  --r-sm:12px;
  --sh-sm:0 2px 8px rgba(8,32,27,.05);
  --sh-md:0 10px 28px rgba(8,32,27,.08);
  --sh-lg:0 20px 48px rgba(8,32,27,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-800);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.015em;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{max-width:1240px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--sh-md);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:66px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Inter","Noto Sans SC",sans-serif;
  font-weight:800;font-size:15px;letter-spacing:-.02em;
  box-shadow:var(--sh-sm);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.02em;}
.brand-text span{font-size:11.5px;color:var(--ink-500);letter-spacing:.02em;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-main a{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--ink-500);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-main a:hover{background:var(--primary-50);color:var(--primary-700);}
.nav-main a.active{color:var(--primary-700);font-weight:700;}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border:1px solid var(--line);
  border-radius:999px;background:#fff;min-width:220px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary-400);box-shadow:0 0 0 3px var(--primary-50);}
.nav-search svg{width:17px;height:17px;color:var(--ink-500);flex-shrink:0;}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink-800);}
.nav-search input::placeholder{color:#9AA9A5;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px;color:var(--ink-800);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.28);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,138,61,.34);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,138,61,.25);}
.btn-secondary{background:#fff;border-color:var(--primary);color:var(--primary-700);}
.btn-secondary:hover{background:var(--primary-50);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.24);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:999px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-700);font-weight:700;font-size:14.5px;
}
.link-more svg{width:16px;height:16px;transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(3px);}

/* ============ 通用标题 ============ */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.sec-title{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800;}
.sec-title::before{content:"";width:4px;height:26px;border-radius:4px;background:var(--primary);flex-shrink:0;}
@media (min-width:1024px){.sec-title{font-size:30px;}.sec-title::before{height:32px;}}
.sec-sub{margin-top:10px;color:var(--ink-500);font-size:14.5px;}

/* ============ 面包屑 ============ */
.crumb{padding:18px 0 4px;}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-500);}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--primary-700);}
.crumb li+li::before{content:"/";margin-right:8px;color:#BAC7C3;}
.crumb .now{color:var(--ink-800);font-weight:600;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-hero{
  border-radius:var(--r-xl);
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(232,245,241,.94) 0%,rgba(246,248,247,.97) 70%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
  padding:28px 20px;
}
@media (min-width:768px){.article-hero{padding:44px 40px;}}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:999px;
  background:var(--primary-50);color:var(--primary-700);
  font-size:13px;font-weight:700;border:1px solid rgba(14,124,102,.16);
}
.article-hero h1{
  margin:16px 0 0;
  font-size:28px;line-height:1.32;letter-spacing:-.02em;
  max-width:900px;
}
@media (min-width:768px){.article-hero h1{font-size:38px;}}
@media (min-width:1024px){.article-hero h1{font-size:46px;}}
.meta-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:20px;font-size:13.5px;color:var(--ink-500);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4D1CD;}
.meta-row .tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--primary-700);font-weight:700;font-size:12.5px;
}
.hero-cover{
  margin-top:26px;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:var(--primary-50);
  aspect-ratio:16/9;
}
.hero-cover img{width:100%;height:100%;object-fit:cover;}
.cover-cap{margin-top:10px;font-size:13px;color:var(--ink-500);text-align:center;}

/* ============ 布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding-top:36px;}
@media (min-width:1280px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:44px;}}
.main-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:22px 18px;
}
@media (min-width:768px){.main-card{padding:36px 40px;}}
.article-body{max-width:780px;margin:0 auto;}

/* ============ 正文排版 ============ */
.prose-cn{font-size:17px;line-height:1.9;color:var(--ink-800);}
.prose-cn > * + *{margin-top:20px;}
.prose-cn h2{
  position:relative;
  margin-top:44px;margin-bottom:16px;
  font-size:22px;line-height:1.4;
  padding-left:14px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;
  border-radius:4px;background:var(--primary);
}
@media (min-width:768px){.prose-cn h2{font-size:27px;}}
.prose-cn h3{font-size:19px;margin-top:32px;margin-bottom:10px;}
.prose-cn p{margin:0;}
.prose-cn a{color:var(--primary-700);border-bottom:1px dashed var(--primary-400);}
.prose-cn a:hover{border-bottom-style:solid;}
.prose-cn ul,.prose-cn ol{padding-left:22px;}
.prose-cn ul{list-style:disc;}
.prose-cn ol{list-style:decimal;}
.prose-cn li{margin:8px 0;padding-left:2px;}
.prose-cn li::marker{color:var(--primary);font-weight:700;}
.prose-cn blockquote{
  margin:24px 0;padding:20px 22px;
  background:var(--primary-50);border-left:4px solid var(--primary);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-800);
}
.prose-cn blockquote p{margin:0;}
.prose-cn img{border-radius:16px;margin:24px auto;width:100%;height:auto;}
.prose-cn table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.prose-cn th,.prose-cn td{padding:12px 14px;border:1px solid var(--line);text-align:left;}
.prose-cn th{background:var(--primary-50);font-weight:700;}
.prose-cn tbody tr:nth-child(even){background:#FAFCFB;}
.prose-cn code{background:#F1F5F4;border-radius:6px;padding:2px 6px;font-size:14.5px;}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* 空态 */
.empty-state{
  text-align:center;padding:40px 16px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .ico{
  width:64px;height:64px;border-radius:20px;background:var(--primary-50);
  display:flex;align-items:center;justify-content:center;color:var(--primary-700);
}
.empty-state .ico svg{width:28px;height:28px;}
.empty-state p{color:var(--ink-500);font-size:14.5px;}

/* ============ 标签与文末 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:var(--primary-50);color:var(--primary-700);
  font-size:13.5px;font-weight:600;transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--primary);color:#fff;}
.duo-cards{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px;}
@media (min-width:768px){.duo-cards{grid-template-columns:1fr 1fr;}}
.duo-card{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.duo-card:hover{border-color:var(--primary-400);box-shadow:var(--sh-md);transform:translateY(-2px);}
.duo-card .lab{font-size:12.5px;color:var(--ink-500);}
.duo-card .tt{font-size:16px;font-weight:700;margin-top:4px;}
.duo-card svg{width:20px;height:20px;color:var(--primary);flex-shrink:0;}

/* ============ 卡片 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.card-media{position:relative;aspect-ratio:16/10;background:var(--primary-50);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body .cat{font-size:13px;color:var(--primary-700);font-weight:700;}
.card-body h3{font-size:18px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--ink-500);line-height:1.7;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-500);}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:22px;
}
.side-card h3{font-size:17px;margin-bottom:14px;}
.side-list li+li{border-top:1px solid var(--line);}
.side-list a{display:flex;align-items:center;gap:10px;padding:12px 0;font-size:14.5px;color:var(--ink-500);}
.side-list a:hover{color:var(--primary-700);}
.side-list a span.idx{
  width:24px;height:24px;border-radius:8px;background:var(--primary-50);
  color:var(--primary-700);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.tip-list{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--ink-500);}
.tip-list span{display:flex;gap:8px;align-items:flex-start;line-height:1.65;}
.tip-list span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary-400);margin-top:9px;flex-shrink:0;}
.side-cta{
  border:0;border-radius:var(--r-lg);padding:24px;color:#fff;
  background:var(--grad-brand);box-shadow:var(--sh-md);
}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:8px;}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.86);margin-bottom:16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--primary-700);}
.side-cta .btn:hover{background:#F1FAF7;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.open{border-color:var(--primary-400);box-shadow:var(--sh-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16.5px;font-weight:700;
}
.faq-q .sign{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;background:var(--primary-50);
  color:var(--primary-700);display:flex;align-items:center;justify-content:center;
  font-size:18px;line-height:1;transition:transform .2s ease;
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a-inner{
  padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-500);
  border-top:1px dashed var(--line);margin:0 20px;padding:16px 0 20px;
}

/* ============ CTA 大区块 ============ */
.cta-block{
  background:var(--grad-brand);border-radius:var(--r-xl);color:#fff;
  padding:32px 22px;box-shadow:var(--sh-lg);
  display:grid;gap:22px;grid-template-columns:1fr;
}
@media (min-width:768px){.cta-block{padding:44px 40px;grid-template-columns:1.2fr .8fr;align-items:center;}}
.cta-block h2{font-size:24px;color:#fff;}
@media (min-width:768px){.cta-block h2{font-size:30px;}}
.cta-block p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.88);line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:767px){.cta-actions .btn{width:100%;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#fff;margin-top:64px;padding:48px 0 20px;font-size:14.5px;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
.foot-brand .brand-text b{color:#fff;}
.foot-brand .brand-text span{color:rgba(255,255,255,.6);}
.foot-brand p{margin-top:16px;color:rgba(255,255,255,.72);line-height:1.85;max-width:380px;}
.foot-contact{margin-top:16px;display:flex;flex-direction:column;gap:6px;color:rgba(255,255,255,.62);font-size:13.5px;}
.foot-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.foot-col li{margin-bottom:10px;}
.foot-col a{color:rgba(255,255,255,.72);transition:color .2s ease;}
.foot-col a:hover{color:#8BD6A0;}
.foot-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  color:rgba(255,255,255,.5);font-size:13px;
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:stretch;justify-content:space-around;
  height:60px;background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 18px rgba(8,32,27,.05);
}
.tabbar a{
  position:relative;flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;
  font-size:11px;color:var(--ink-500);transition:color .2s ease;
}
.tabbar a svg{width:22px;height:22px;}
.tabbar a.active{color:var(--primary);font-weight:700;}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--primary);
}
@media (min-width:1024px){.tabbar{display:none;}}

/* 移动端导航抽屉 */
@media (max-width:1023px){
  .nav-main{
    position:fixed;top:66px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:14px 16px 24px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-lg);display:none;
    max-height:calc(100vh - 66px);overflow:auto;
  }
  body.nav-open .nav-main{display:flex;}
  .nav-main a{padding:14px 14px;border-radius:var(--r-sm);font-size:16px;}
  .nav-main a.active::after{display:none;}
  .nav-main a.active{background:var(--primary-50);}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-side .btn-primary{display:none;}
  main{padding-bottom:calc(76px + env(safe-area-inset-bottom));}
}
@media (max-width:479px){
  .brand-text span{display:none;}
  .brand-text b{font-size:15px;}
}

/* roulang page: category1 */
:root{
  --primary:#0E7C66;
  --primary-700:#0A5F4F;
  --primary-400:#3FB59A;
  --primary-50:#E8F5F1;
  --accent:#FF8A3D;
  --accent-50:#FFEDE0;
  --ink-900:#08201B;
  --ink-800:#0C1A17;
  --ink-500:#5B6F6A;
  --line:#E3EAE7;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --success:#16A34A;
  --warn:#E5484D;
  --info:#C08A00;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(8,32,27,.05);
  --shadow-md:0 10px 28px rgba(8,32,27,.08);
  --shadow-lg:0 20px 48px rgba(8,32,27,.12);
  --grad-brand:linear-gradient(135deg,#0E7C66 0%,#14A085 48%,#8BD6A0 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D,#FFB25E);
  --font-cn:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--ink-800);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.015em;line-height:1.3}
p{margin:0}
svg{display:block}
::selection{background:var(--primary-50);color:var(--primary-700)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1240px}}
@media (max-width:520px){.container{padding:0 16px}}
@media (max-width:1023px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out;
}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(14,124,102,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text span{font-size:12px;color:var(--ink-500);white-space:nowrap}

.nav-main{gap:2px}
.nav-main a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-800);
  transition:background .18s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.nav-main a:hover{background:var(--primary-50);color:var(--primary-700)}
.nav-main a.active{color:var(--primary-700);font-weight:700}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;
  height:3px;border-radius:3px;background:var(--primary);
}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:none;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;min-width:230px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out}
.nav-search:focus-within{border-color:var(--primary-400);box-shadow:0 0 0 3px var(--primary-50)}
.nav-search svg{width:18px;height:18px;color:var(--ink-500);flex-shrink:0}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px}
.nav-search input::placeholder{color:#9AA9A4}
.nav-toggle{
  display:grid;place-items:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  transition:background .18s ease-out;
}
.nav-toggle:hover{background:var(--primary-50)}
.nav-toggle svg{width:22px;height:22px;color:var(--ink-800)}
.nav-side .btn{height:44px;padding:0 18px;font-size:14px}

@media (min-width:1024px){
  .nav-main{display:flex}
  .nav-toggle{display:none}
}
@media (min-width:1200px){
  .nav-search{display:flex}
}
@media (max-width:1023px){
  .nav-main{
    display:none;
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;gap:4px;
    background:#fff;padding:14px 20px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .site-header.open .nav-main{display:flex}
  .nav-main a{padding:14px 16px;border-radius:14px;font-size:16px}
  .nav-main a.active{background:var(--primary-50)}
  .nav-main a.active::after{display:none}
  .nav-side .btn{display:none}
}
@media (max-width:520px){
  .brand-text b{font-size:15px}
  .brand-text span{display:none}
  .brand-mark{width:40px;height:40px;border-radius:12px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,filter .18s ease-out;
  min-width:44px;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.28)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 28px rgba(255,138,61,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary-700)}
.btn-ghost:hover{background:var(--primary-50);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--primary-700);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-700);font-weight:600;font-size:14px;
}
.link-more svg{width:16px;height:16px;transition:transform .18s ease-out}
.link-more:hover svg{transform:translateX(3px)}

/* ============ 通用排版 ============ */
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-title{display:flex;align-items:center;gap:12px}
.section-title::before{
  content:"";width:4px;height:26px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-400));flex-shrink:0;
}
.section-title h2{font-size:32px;font-weight:800}
.section-sub{margin-top:10px;color:var(--ink-500);font-size:15px;max-width:720px}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .section-title h2{font-size:24px}
  .section-head{margin-bottom:26px}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.45;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(8,32,27,.94) 0%,rgba(10,95,79,.82) 52%,rgba(14,124,102,.58) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-inner{padding:52px 0 64px;display:grid;gap:40px;align-items:center}
@media (min-width:960px){
  .hero-inner{grid-template-columns:1.15fr .85fr;gap:56px;padding:66px 0 78px}
}
.hero h1{
  font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.28;
  margin-bottom:16px;
}
@media (min-width:768px){
  .hero h1{font-size:44px}
  .hero h1{padding-right:10px}
}
@media (min-width:1280px){
  .hero h1{font-size:48px}
}
.hero-lead{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);
  max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-note{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);
}
.hero-note svg{width:16px;height:16px;color:var(--primary-400)}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:8px}
.stat{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-md);
  padding:14px 16px;
}
.stat b{
  display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;
  letter-spacing:-.02em;
}
.stat span{font-size:12px;color:rgba(255,255,255,.72);line-height:1.5}
@media (max-width:520px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-actions .btn{width:100%}
  .hero h1{font-size:27px}
  .hero-lead{font-size:15px}
}

.hero-card{
  background:rgba(255,255,255,.97);
  color:var(--ink-800);
  border-radius:var(--radius-xl);
  padding:26px;
  box-shadow:var(--shadow-lg);
}
.hero-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.hero-card .card-hint{font-size:13px;color:var(--ink-500);margin-bottom:18px}
.hero-card ul{display:grid;gap:12px}
.hero-card li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.hero-card li:last-child{border-bottom:0;padding-bottom:0}
.tick{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:1px;
  background:var(--primary-50);color:var(--primary-700);
  display:grid;place-items:center;
}
.tick svg{width:13px;height:13px}
.hero-card .card-foot{
  margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-50);color:#B35D1C;
  border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700;
}

/* ============ 核验顺序 ============ */
.order-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){.order-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.order-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.order-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.order-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-400)}
.order-num{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.order-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.order-card p{font-size:14px;color:var(--ink-500);line-height:1.75}

/* ============ 图文长列表 ============ */
.checklist{display:grid;gap:22px}
.row-item{
  display:grid;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
@media (min-width:820px){
  .row-item{grid-template-columns:300px 1fr;gap:26px;padding:24px;align-items:start}
}
.row-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D5E2DD}
.row-media{
  position:relative;overflow:hidden;border-radius:18px;aspect-ratio:16/11;
  background:linear-gradient(135deg,var(--primary-50),#DDF0E7);
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.row-item:hover .row-media img{transform:scale(1.04)}
.row-index{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(8,32,27,.72);color:#fff;
  border-radius:10px;padding:5px 10px;font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;backdrop-filter:blur(4px);
}
.row-body{padding-top:2px}
.tag{
  display:inline-flex;align-items:center;
  background:var(--primary-50);color:var(--primary-700);
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700;margin-bottom:12px;
}
.row-body h3{font-size:20px;font-weight:800;margin-bottom:10px}
.row-body > p{font-size:15px;line-height:1.8;color:var(--ink-500);margin-bottom:16px}
.point-list{display:grid;gap:8px;margin-bottom:18px}
.point-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--ink-800);
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--primary-400);
}
.row-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
@media (max-width:520px){
  .row-body h3{font-size:18px}
  .row-actions .btn{width:100%}
}

/* ============ 保障条 ============ */
.assure{
  background:var(--primary-50);border-radius:20px;padding:28px;
  display:grid;gap:22px;grid-template-columns:1fr;
}
@media (min-width:640px){.assure{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.assure{grid-template-columns:repeat(4,minmax(0,1fr));padding:32px}}
.assure-item{display:flex;gap:14px;align-items:flex-start}
.assure-icon{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  background:#fff;color:var(--primary-700);display:grid;place-items:center;
  box-shadow:var(--shadow-sm);
}
.assure-icon svg{width:22px;height:22px}
.assure-item h4{font-size:15px;font-weight:800;margin-bottom:4px}
.assure-item p{font-size:13px;color:var(--ink-500);line-height:1.7}

/* ============ CTA ============ */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--radius-xl);
  padding:40px 32px;
  color:#fff;
  display:grid;gap:26px;
  box-shadow:var(--shadow-lg);
}
@media (min-width:900px){
  .cta-band{grid-template-columns:1.3fr .7fr;align-items:center;padding:52px 48px}
}
.cta-band h2{font-size:28px;font-weight:800;margin-bottom:12px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (min-width:900px){.cta-actions{justify-content:flex-end}}
@media (max-width:520px){
  .cta-band{padding:30px 22px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#fff;padding:64px 0 28px;margin-top:8px}
.foot-grid{
  display:grid;gap:34px;grid-template-columns:1fr;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.6fr .8fr .8fr .8fr;gap:40px}}
.site-footer .brand{align-items:center;margin-bottom:16px}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text span{color:rgba(255,255,255,.6)}
.site-footer .brand-mark{background:var(--grad-brand);box-shadow:none}
.foot-brand p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;max-width:420px;margin-bottom:16px}
.foot-contact{display:grid;gap:6px;font-size:13px;color:rgba(255,255,255,.62)}
.foot-col h4{font-size:14px;font-weight:800;margin-bottom:16px;letter-spacing:.02em;color:#fff}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease-out}
.foot-col a:hover{color:#fff}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}
@media (max-width:520px){
  .site-footer{padding:48px 0 22px}
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;align-items:stretch;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -4px 18px rgba(8,32,27,.06);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--ink-500);position:relative;
  transition:color .18s ease-out;
}
.tabbar a svg{width:22px;height:22px}
.tabbar a.active{color:var(--primary-700);font-weight:700}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:4px;border-radius:0 0 4px 4px;background:var(--primary);
}
@media (min-width:1024px){
  .tabbar{display:none}
}

/* roulang page: category3 */
:root{
  --primary:#0E7C66;
  --primary-700:#0A5F4F;
  --primary-400:#3FB59A;
  --primary-50:#E8F5F1;
  --accent:#FF8A3D;
  --accent-50:#FFEDE0;
  --ink-900:#08201B;
  --ink-800:#0C1A17;
  --ink-500:#5B6F6A;
  --line:#E3EAE7;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --ok:#16A34A;
  --warn:#E5484D;
  --tip:#C08A00;
  --r-lg:24px;
  --r-xl:28px;
  --r-md:14px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(8,32,27,.05);
  --sh-md:0 10px 28px rgba(8,32,27,.08);
  --sh-lg:0 20px 48px rgba(8,32,27,.12);
  --grad-brand:linear-gradient(135deg,#0E7C66 0%,#14A085 48%,#8BD6A0 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D,#FFB25E);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-800);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(76px + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:var(--primary-50);color:var(--primary-700)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{max-width:1240px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-md)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{font-size:12px;color:var(--ink-500);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-main{display:none;align-items:center;gap:2px;margin-left:auto}
.nav-main a{
  position:relative;padding:9px 13px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-500);transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-main a:hover{background:var(--primary-50);color:var(--primary-700)}
.nav-main a.active{color:var(--primary-700);font-weight:700}
.nav-main a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:3px;background:var(--primary);
}
.nav-side{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:none;align-items:center;gap:8px;height:42px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
}
.nav-search svg{width:18px;height:18px;color:var(--ink-500);flex:0 0 18px}
.nav-search input{border:0;background:transparent;outline:none;width:168px;font-size:14px}
.nav-search input::placeholder{color:#9AA9A5}
.nav-toggle{
  display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:var(--primary-50)}
.nav-toggle svg{width:22px;height:22px;color:var(--ink-800)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  min-height:44px;text-align:center;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 6px 18px rgba(255,138,61,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,138,61,.34);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,138,61,.26)}
.btn-solid{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(14,124,102,.24)}
.btn-solid:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,124,102,.3)}
.btn-solid:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary-700);border-color:var(--primary-400)}
.btn-ghost:hover{background:var(--primary-50)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{height:36px;padding:0 16px;font-size:14px;font-weight:700}
.btn-block{width:100%}
.nav-cta{display:none}
@media(min-width:520px){.nav-cta{display:inline-flex}}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;padding:18px 18px 32px;
  display:none;flex-direction:column;gap:6px;overflow-y:auto;
}
.nav-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;cursor:pointer;
}
.drawer-close svg{width:20px;height:20px}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 16px;border-radius:var(--r-md);font-size:16px;font-weight:600;
  color:var(--ink-800);border:1px solid var(--line);background:#fff;
}
.nav-drawer a.drawer-link.active{background:var(--primary-50);border-color:var(--primary-400);color:var(--primary-700)}
.drawer-foot{margin-top:18px;display:flex;flex-direction:column;gap:12px}

/* ---------- tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;height:60px;font-size:11px;color:var(--ink-500);transition:color .2s ease;
}
.tabbar a svg{width:22px;height:22px}
.tabbar a.active{color:var(--primary-700);font-weight:700}
.tabbar a.active::before{
  content:"";position:absolute;top:0;width:28px;height:4px;border-radius:0 0 4px 4px;background:var(--primary);
}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(8,32,27,.94) 0%,rgba(10,95,79,.9) 52%,rgba(14,124,102,.82) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cat-hero-inner{
  display:grid;gap:28px;padding:36px 0 52px;
}
@media(min-width:1024px){
  .cat-hero-inner{grid-template-columns:1.08fr .92fr;align-items:center;gap:48px;padding:52px 0 68px}
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span.sep{opacity:.5}
.crumbs .cur{color:#fff;font-weight:600;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#8BD6A0;display:inline-block}
.cat-hero h1{
  font-size:30px;line-height:1.25;color:#fff;letter-spacing:-.02em;
}
@media(min-width:768px){.cat-hero h1{font-size:38px}}
@media(min-width:1024px){.cat-hero h1{font-size:46px}}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px}
.hero-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.66)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:519px){.hero-actions .btn{width:100%}}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
.hero-stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:14px 12px;
}
.hero-stat b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stat span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:2px;line-height:1.5}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lg);border:1px solid rgba(255,255,255,.18)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;background:#0A5F4F}
.hero-float{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.95);border-radius:18px;padding:14px 16px;color:var(--ink-800);
  box-shadow:var(--sh-md);
}
.hero-float b{font-size:15px;display:block}
.hero-float p{font-size:13px;color:var(--ink-500);margin-top:4px}
.hero-float .mini-badge{
  display:inline-block;margin-top:8px;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--primary-50);color:var(--primary-700);font-size:12px;font-weight:700;
}

/* ---------- sections ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{
  position:relative;padding-left:16px;font-size:24px;letter-spacing:-.02em;
}
@media(min-width:768px){.section-title{font-size:30px}}
.section-title::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;background:var(--primary);
}
.section-desc{margin-top:12px;color:var(--ink-500);font-size:15px;max-width:760px}
.link-more{color:var(--primary-700);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.link-more svg{width:16px;height:16px;transition:transform .2s ease}
.link-more:hover svg{transform:translateX(3px)}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{
  padding:7px 15px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line);font-size:14px;color:var(--ink-500);font-weight:600;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--primary-400);color:var(--primary-700);background:var(--primary-50)}

/* ---------- table ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);overflow:hidden;
}
.table-scroll{display:none}
@media(min-width:768px){.table-scroll{display:block}}
.table-wrap thead th{
  background:var(--primary-50);color:var(--primary-700);font-weight:800;font-size:14px;
  text-align:left;padding:16px 20px;white-space:nowrap;
}
.table-wrap tbody td{
  padding:17px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-800);vertical-align:top;
}
.table-wrap tbody tr{transition:background .18s ease}
.table-wrap tbody tr:hover{background:#FAFCFB}
.table-wrap tbody td:first-child{font-weight:700;color:var(--ink-900);min-width:180px}
.table-wrap tbody td .muted{color:var(--ink-500);font-size:14px}
.tag-cell{
  display:inline-block;padding:2px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;background:var(--primary-50);color:var(--primary-700);white-space:nowrap;
}
.tag-cell.warn{background:#FDECEC;color:var(--warn)}
.tag-cell.tip{background:#FFF7E3;color:var(--tip)}

/* mobile cards for table */
.qa-cards{display:grid;gap:14px}
@media(min-width:768px){.qa-cards{display:none}}
.qa-card{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:18px;box-shadow:var(--sh-sm);
}
.qa-card h3{font-size:17px;line-height:1.45;margin-bottom:12px}
.qa-row{display:flex;gap:12px;padding:9px 0;border-top:1px dashed var(--line);font-size:14px;line-height:1.7}
.qa-row .k{flex:0 0 68px;color:var(--ink-500)}
.qa-row .v{flex:1;min-width:0}

/* ---------- media block ---------- */
.media-block{
  display:grid;gap:24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-md);padding:20px;
}
@media(min-width:768px){.media-block{padding:28px}}
@media(min-width:1024px){.media-block{grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:36px}}
.media-block img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;background:var(--primary-50)}
.media-block h2{font-size:24px;margin-bottom:14px}
@media(min-width:768px){.media-block h2{font-size:28px}}
.media-block p{color:var(--ink-500);font-size:15px}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{display:flex;gap:12px;font-size:15px;line-height:1.7}
.point-list .dot{
  flex:0 0 26px;height:26px;border-radius:9px;background:var(--primary-50);color:var(--primary-700);
  display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:2px;
}
.point-list b{display:block;color:var(--ink-900)}
.point-list span.t{color:var(--ink-500);font-size:14px}

/* ---------- guarantee ---------- */
.guard{
  background:var(--primary-50);border-radius:20px;padding:22px;
  display:grid;gap:18px;grid-template-columns:1fr 1fr;
}
@media(min-width:1024px){.guard{grid-template-columns:repeat(4,1fr);padding:28px 32px;gap:24px}}
.guard-item{display:flex;gap:12px}
.guard-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:#fff;color:var(--primary-700);
  display:grid;place-items:center;box-shadow:var(--sh-sm);
}
.guard-icon svg{width:22px;height:22px}
.guard-item b{display:block;font-size:15px;color:var(--ink-900)}
.guard-item span{display:block;font-size:13px;color:var(--ink-500);line-height:1.6;margin-top:3px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{border-color:var(--primary-400);box-shadow:var(--sh-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:19px 22px;font-size:16px;font-weight:700;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--primary-50)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--primary-50);color:var(--primary-700);
  display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;transition:transform .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-500);background:#FBFDFC}

/* ---------- cta ---------- */
.cta-block{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:34px 22px;color:#fff;
  box-shadow:var(--sh-lg);display:grid;gap:24px;
}
@media(min-width:1024px){.cta-block{grid-template-columns:1.2fr .8fr;align-items:center;padding:48px 52px;gap:40px}}
.cta-block h2{font-size:25px;color:#fff}
@media(min-width:768px){.cta-block h2{font-size:31px}}
.cta-block p{margin-top:12px;color:rgba(255,255,255,.86);font-size:15px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:519px){.cta-actions .btn{width:100%}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);margin-top:24px}
.foot-grid{display:grid;gap:30px;padding:48px 0 32px}
@media(min-width:768px){.foot-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;padding:64px 0 40px}}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text span{color:rgba(255,255,255,.55)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:380px;color:rgba(255,255,255,.66)}
.foot-contact{margin-top:16px;display:grid;gap:6px;font-size:14px;color:rgba(255,255,255,.6)}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:14px}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease}
.foot-col a:hover{color:#fff;text-decoration:underline}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* roulang page: category2 */
/* ==================== 设计变量 ==================== */
:root{
  --primary:#0E7C66;
  --primary-700:#0A5F4F;
  --primary-400:#3FB59A;
  --primary-50:#E8F5F1;
  --accent:#FF8A3D;
  --accent-50:#FFEDE0;
  --ink-900:#08201B;
  --ink-800:#0C1A17;
  --ink-500:#5B6F6A;
  --line:#E3EAE7;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --success:#16A34A;
  --danger:#E5484D;
  --notice:#C08A00;

  --grad-brand:linear-gradient(135deg,#0E7C66 0%,#14A085 48%,#8BD6A0 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D,#FFB25E);

  --r-xs:12px;
  --r-sm:14px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:28px;

  --sh-sm:0 2px 8px rgba(8,32,27,.05);
  --sh-md:0 10px 28px rgba(8,32,27,.08);
  --sh-lg:0 20px 48px rgba(8,32,27,.12);

  --container:1200px;
  --sp-section:88px;
}

/* ==================== 基础重置 ==================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-800);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{letter-spacing:-.015em;line-height:1.25;font-weight:800;}
svg{display:block;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:var(--primary-50);color:var(--primary-700);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1280px){
  .container{max-width:1240px;}
}

/* ==================== 顶部导航 ==================== */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease,backdrop-filter .25s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  box-shadow:var(--sh-md);
  backdrop-filter:blur(10px);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  flex:0 0 auto;
}
.brand-mark{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  background:var(--grad-brand);
  color:#fff;
  font-family:"Inter",sans-serif;
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
  box-shadow:var(--sh-sm);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text b{font-size:16px;font-weight:800;color:var(--ink-900);white-space:nowrap;}
.brand-text span{font-size:12px;color:var(--ink-500);white-space:nowrap;}

.nav-main{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-main a{
  position:relative;
  padding:10px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--ink-800);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-main a:hover{background:var(--primary-50);color:var(--primary-700);}
.nav-main a.active{color:var(--primary-700);font-weight:700;}
.nav-main a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--primary);
}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 14px;
  min-width:236px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary-400);box-shadow:0 0 0 3px var(--primary-50);}
.nav-search svg{width:18px;height:18px;color:var(--ink-500);flex:0 0 auto;}
.nav-search input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--ink-800);
}
.nav-search input::placeholder{color:#9AAFA9;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-800);
  transition:background .2s ease;
}
.nav-toggle:hover{background:var(--primary-50);}
.nav-toggle svg{width:22px;height:22px;}

/* ==================== 按钮体系 ==================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-xs);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{
  background:var(--grad-accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,138,61,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,138,61,.34);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,138,61,.26);}
.btn-ghost{
  background:#fff;
  color:var(--primary-700);
  border-color:var(--primary);
}
.btn-ghost:hover{background:var(--primary-50);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-solid{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 20px rgba(14,124,102,.24);
}
.btn-solid:hover{background:var(--primary-700);transform:translateY(-1px);}
.btn-sm{height:36px;padding:0 16px;border-radius:999px;font-size:14px;}
.btn-lg{height:56px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary-700);
  font-weight:700;
  font-size:14px;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}

/* ==================== 移动抽屉 ==================== */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
}
.drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(8,32,27,.45);
}
.drawer-panel{
  position:relative;
  margin-left:auto;
  width:min(88vw,360px);
  height:100%;
  background:#fff;
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:20px;
  overflow-y:auto;
  box-shadow:var(--sh-lg);
  animation:drawerIn .22s ease-out;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:44px;height:44px;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:20px;
  color:var(--ink-500);
}
.drawer-close:hover{background:var(--primary-50);color:var(--primary-700);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:14px 16px;
  border-radius:var(--r-sm);
  font-size:16px;
  border:1px solid transparent;
  transition:.2s ease;
}
.drawer-nav a:hover{background:var(--primary-50);color:var(--primary-700);}
.drawer-nav a.active{
  background:var(--primary-50);
  color:var(--primary-700);
  font-weight:700;
  border-color:#CDE9E0;
}
.drawer-tip{font-size:13px;color:var(--ink-500);line-height:1.7;}

/* ==================== 底部 Tab ==================== */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:80;
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(8,32,27,.06);
}
.tabbar a{
  position:relative;
  flex:1;
  min-height:60px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--ink-500);
  transition:color .2s ease;
}
.tabbar a svg{width:22px;height:22px;}
.tabbar a:hover{color:var(--primary-700);}
.tabbar a.active{color:var(--primary-700);font-weight:700;}
.tabbar a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:4px;
  border-radius:0 0 4px 4px;
  background:var(--primary);
}

/* ==================== 面包屑 ==================== */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);}
.breadcrumb li::after{content:"/";margin-left:8px;color:#B9C9C4;}
.breadcrumb li:last-child::after{content:"";margin:0;}
.breadcrumb a:hover{color:var(--primary-700);}
.breadcrumb .current{color:var(--ink-800);font-weight:600;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ==================== 分类 Hero ==================== */
.page-hero{
  position:relative;
  padding:36px 0 var(--sp-section);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:420px;
  background:linear-gradient(180deg,#E8F5F1 0%,rgba(246,248,247,0) 100%);
  z-index:0;
}
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;
  align-items:center;
  padding-top:26px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid #CDE9E0;
  color:var(--primary-700);
  font-size:13px;
  font-weight:700;
  box-shadow:var(--sh-sm);
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:block;}
.hero-copy h1{
  margin-top:18px;
  font-size:48px;
  line-height:1.2;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 62%,#BFE9DC 62%);
  padding:0 2px;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  color:var(--ink-500);
  line-height:1.85;
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.trust-line{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  font-size:14px;
  color:var(--ink-500);
}
.trust-line svg{width:16px;height:16px;color:var(--primary);flex:0 0 auto;}

.hero-visual{position:relative;}
.hero-visual .hero-img{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-lg);
  aspect-ratio:16/11;
  background:var(--grad-brand);
}
.hero-visual .hero-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.hero-visual:hover .hero-img img{transform:scale(1.03);}
.hero-float{
  position:absolute;
  left:-14px;
  bottom:26px;
  background:#fff;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  padding:14px 18px;
  display:flex;
  flex-direction:column;
  gap:2px;
  max-width:230px;
}
.hero-float .float-badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:700;
  color:#fff;
  background:var(--primary);
  border-radius:999px;
  padding:2px 10px;
  margin-bottom:4px;
}
.hero-float b{font-size:15px;color:var(--ink-900);}
.hero-float span{font-size:12px;color:var(--ink-500);line-height:1.6;}
.hero-score{
  position:absolute;
  right:14px;
  top:14px;
  background:rgba(255,255,255,.94);
  border-radius:999px;
  padding:8px 16px;
  font-size:12px;
  color:var(--ink-800);
  box-shadow:var(--sh-sm);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-score .stars{color:var(--accent);letter-spacing:2px;font-size:12px;}

/* ==================== 数据徽章条 ==================== */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:34px;
}
.stat-item{
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:14px 18px;
  display:flex;
  align-items:baseline;
  gap:10px;
}
.stat-item b{
  font-family:"Inter",sans-serif;
  font-size:30px;
  font-weight:800;
  color:var(--primary-700);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.stat-item span{font-size:13px;color:var(--ink-500);}

/* ==================== 通用板块 ==================== */
.section{padding:var(--sp-section) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head .head-main{display:flex;gap:14px;align-items:flex-start;}
.section-head .bar{
  width:4px;
  align-self:stretch;
  min-height:44px;
  border-radius:4px;
  background:var(--primary);
  flex:0 0 auto;
}
.section-title{font-size:32px;}
.section-desc{margin-top:8px;font-size:15px;color:var(--ink-500);max-width:680px;}

/* ==================== 卡片网格 ==================== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.card .thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--grad-brand);
}
.card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.card:hover .thumb img{transform:scale(1.04);}
.card .thumb.is-fallback{background:var(--grad-brand);}
.badge{
  position:absolute;
  left:14px;
  top:14px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#fff;
  background:var(--primary);
  box-shadow:var(--sh-sm);
}
.badge-accent{background:var(--grad-accent);}
.card-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-tag{
  font-size:13px;
  color:var(--ink-500);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-tag::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary-400);
}
.card-body h3{font-size:19px;line-height:1.4;}
.card-body p{
  font-size:14px;
  color:var(--ink-500);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-stats{
  display:flex;
  gap:10px;
  margin-top:4px;
  padding:12px 0;
  border-top:1px dashed var(--line);
  border-bottom:1px dashed var(--line);
}
.mini-stat{flex:1;min-width:0;}
.mini-stat b{
  display:block;
  font-family:"Inter",sans-serif;
  font-size:22px;
  font-weight:800;
  color:var(--primary-700);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.mini-stat span{font-size:12px;color:var(--ink-500);line-height:1.5;display:block;}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.card-meta{font-size:12.5px;color:var(--ink-500);}

/* 强调卡：跨两列 */
.card-wide{grid-column:span 2;}
.card-wide .thumb{aspect-ratio:auto;height:100%;min-height:280px;}
@media (min-width:1024px){
  .card-wide{flex-direction:row;}
  .card-wide .thumb{flex:0 0 46%;}
  .card-wide .card-body{padding:32px 34px;}
  .card-wide .card-body h3{font-size:26px;}
  .card-wide .card-body p{
    font-size:15px;
    -webkit-line-clamp:4;
  }
  .mini-stats-lg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));}
}

/* ==================== 阶段说明（深浅交替） ==================== */
.stage-band{
  background:var(--ink-900);
  color:#fff;
  border-radius:var(--r-xl);
  padding:52px;
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:48px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.stage-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(139,214,160,.28),rgba(139,214,160,0) 68%);
}
.stage-band h2{font-size:30px;color:#fff;}
.stage-band .band-desc{
  margin-top:14px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  line-height:1.9;
}
.stage-band .band-visual{
  position:relative;
  z-index:1;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/11;
  border:1px solid rgba(255,255,255,.14);
  background:var(--grad-brand);
}
.stage-band .band-visual img{width:100%;height:100%;object-fit:cover;}
.stage-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.stage-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14.5px;
  color:rgba(255,255,255,.86);
  line-height:1.75;
}
.stage-list li i{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:8px;
  background:rgba(255,255,255,.12);
  display:grid;place-items:center;
  font-family:"Inter",sans-serif;
  font-size:12px;
  font-weight:800;
  color:#8BD6A0;
  margin-top:3px;
  font-style:normal;
}

/* ==================== 适用场景 ==================== */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#CDE9E0;}
.scene-icon{
  width:44px;height:44px;
  border-radius:var(--r-sm);
  background:var(--primary-50);
  color:var(--primary-700);
  display:grid;place-items:center;
  margin-bottom:16px;
}
.scene-icon svg{width:22px;height:22px;}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--ink-500);line-height:1.8;}

/* ==================== 保障条 ==================== */
.guarantee{
  background:var(--primary-50);
  border-radius:20px;
  padding:32px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.guarantee-item{display:flex;gap:14px;align-items:flex-start;}
.guarantee-item .g-icon{
  width:44px;height:44px;
  border-radius:var(--r-sm);
  background:var(--primary);
  color:#fff;
  display:grid;place-items:center;
  flex:0 0 auto;
}
.guarantee-item .g-icon svg{width:22px;height:22px;}
.guarantee-item b{display:block;font-size:15px;color:var(--ink-900);}
.guarantee-item span{font-size:13px;color:var(--ink-500);line-height:1.7;}

/* ==================== FAQ ==================== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#CDE9E0;box-shadow:var(--sh-md);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  transition:background .2s ease;
}
.faq-q:hover{background:var(--primary-50);}
.faq-q .sign{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:9px;
  background:var(--primary-50);
  color:var(--primary-700);
  display:grid;place-items:center;
  font-size:18px;
  line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a .faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
  border-top:1px dashed var(--line);
  margin:0 24px;
  padding:16px 0 22px;
}
.faq-a .faq-a-inner{padding-left:24px;padding-right:24px;margin:0;}

/* ==================== CTA 区块 ==================== */
.cta-wrap{padding-bottom:var(--sp-section);}
.cta-band{
  position:relative;
  margin:0 24px;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  color:#fff;
  padding:52px;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:40px;
  align-items:center;
  overflow:hidden;
  box-shadow:var(--sh-lg);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-60px;bottom:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0) 70%);
}
.cta-band h2{font-size:30px;position:relative;z-index:1;}
.cta-band p{
  margin-top:12px;
  font-size:15px;
  color:rgba(255,255,255,.85);
  line-height:1.85;
  max-width:520px;
  position:relative;
  z-index:1;
}
.subscribe{
  position:relative;
  z-index:1;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-lg);
  padding:22px;
}
.subscribe label{display:block;font-size:14px;font-weight:700;margin-bottom:10px;color:#fff;}
.subscribe-row{display:flex;gap:10px;}
.subscribe input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.94);
  font-size:14px;
  color:var(--ink-800);
  outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:#93A8A2;}
.subscribe input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.28);}
.subscribe input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.24);}
.subscribe .form-tip{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.78);line-height:1.7;}
.subscribe .form-tip.is-error{color:#FFD9DA;}
.subscribe .success-bar{
  display:none;
  margin-top:12px;
  padding:10px 14px;
  border-radius:var(--r-xs);
  background:rgba(255,255,255,.94);
  color:var(--primary-700);
  font-size:13.5px;
  font-weight:600;
}
.subscribe .success-bar.is-show{display:block;}
.subscribe .btn-primary{width:100%;margin-top:12px;}

/* ==================== 页脚 ==================== */
.site-footer{
  background:#0A2B24;
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.foot-brand .brand .brand-text b{color:#fff;}
.foot-brand .brand .brand-text span{color:rgba(255,255,255,.6);}
.foot-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  max-width:380px;
}
.foot-contact{display:flex;flex-direction:column;gap:6px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.66);}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.foot-col a:hover{color:#8BD6A0;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ==================== 响应式 ==================== */
@media (max-width:1279px){
  :root{--sp-section:72px;}
  .nav-search{min-width:190px;}
  .hero-copy h1{font-size:42px;}
  .stage-band{padding:40px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom));}
  .nav-main,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .tabbar{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-visual{order:-1;}
  .hero-float{left:12px;bottom:12px;}
  .stage-band{grid-template-columns:1fr;padding:34px;}
  .cta-band{grid-template-columns:1fr;padding:34px;gap:26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-brand{grid-column:span 2;}
  .card-wide .card-body h3{font-size:22px;}
}
@media (max-width:767px){
  :root{--sp-section:52px;}
  .container{padding:0 16px;}
  .hero-copy h1{font-size:30px;}
  .hero-lead{font-size:15.5px;}
  .section-title{font-size:24px;}
  .stat-strip{grid-template-columns:1fr;gap:10px;margin-top:26px;}
  .stat-item b{font-size:24px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .card-wide{grid-column:span 1;}
  .card-wide .thumb{min-height:200px;}
  .hero-actions .btn{flex:1 1 100%;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a .faq-a-inner{font-size:14.5px;padding-left:18px;padding-right:18px;}
  .cta-band{margin:0 16px;padding:26px;}
  .cta-band h2{font-size:23px;}
  .subscribe-row{flex-direction:column;}
  .subscribe .btn-primary{margin-top:10px;}
  .guarantee{padding:22px;gap:18px;}
  .stage-band{padding:26px;}
  .stage-band h2{font-size:22px;}
}
@media (max-width:519px){
  .scene-grid{grid-template-columns:1fr;}
  .guarantee{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-brand{grid-column:span 1;}
  .hero-float{position:static;margin-top:14px;max-width:none;}
  .hero-score{right:10px;top:10px;font-size:11px;padding:6px 12px;}
  .breadcrumb .current{max-width:140px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category4 */
:root{
  --primary:#0E7C66;
  --primary-700:#0A5F4F;
  --primary-400:#3FB59A;
  --primary-50:#E8F5F1;
  --accent:#FF8A3D;
  --accent-50:#FFEDE0;
  --ink-900:#08201B;
  --ink-800:#0C1A17;
  --ink-500:#5B6F6A;
  --line:#E3EAE7;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --success:#16A34A;
  --warning:#E5484D;
  --info:#C08A00;
  --brand-gradient:linear-gradient(135deg,#0E7C66 0%,#14A085 48%,#8BD6A0 100%);
  --accent-gradient:linear-gradient(135deg,#FF8A3D,#FFB25E);
  --radius-lg:24px;
  --radius-xl:28px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-sm:0 2px 8px rgba(8,32,27,.05);
  --shadow-md:0 10px 28px rgba(8,32,27,.08);
  --shadow-lg:0 20px 48px rgba(8,32,27,.12);
  --container:1200px;
  --sec-space:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-800);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,select,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 16px;width:100%;}
@media (min-width:1024px){.container{max-width:1240px;padding:0 24px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent-gradient);color:#fff;
  box-shadow:0 8px 20px rgba(255,138,61,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,138,61,.34);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,138,61,.26);}
.btn-solid{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,124,102,.22);}
.btn-solid:hover{background:var(--primary-700);transform:translateY(-1px);}
.btn-solid:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:var(--primary-50);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;min-height:44px;}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px;border-radius:999px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-50);border-radius:999px;padding:4px 12px;
  line-height:1.6;
}
.tag-accent{color:#B4520F;background:var(--accent-50);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;color:#fff;
  background:var(--primary);border-radius:999px;padding:4px 10px;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-gradient);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--shadow-md);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--brand-gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(14,124,102,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);}
.brand-text span{font-size:12px;color:var(--ink-500);}
.nav-main{display:none;}
.nav-side{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{display:none;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-800);background:#fff;
}
.nav-toggle svg{width:22px;height:22px;}
.nav-toggle:hover{background:var(--primary-50);color:var(--primary);}
@media (min-width:1024px){
  .nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;}
  .nav-main a{
    position:relative;display:inline-flex;align-items:center;height:40px;
    padding:0 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-800);
  }
  .nav-main a:hover{background:var(--primary-50);color:var(--primary);}
  .nav-main a.active{color:var(--primary);font-weight:700;}
  .nav-main a.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;
    background:var(--primary);border-radius:3px;
  }
  .nav-search{
    display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
    border:1px solid var(--line);border-radius:999px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.12);}
  .nav-search svg{width:17px;height:17px;color:var(--ink-500);flex-shrink:0;}
  .nav-search input{border:0;outline:none;width:180px;background:transparent;font-size:14px;color:var(--ink-800);}
  .nav-search input::placeholder{color:#93A6A1;}
  .nav-toggle{display:none;}
}
@media (min-width:1024px) and (max-width:1199px){
  .nav-search input{width:130px;}
  .nav-main a{padding:0 10px;font-size:14px;}
}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  padding:22px 20px calc(30px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:22px;
  transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  overflow-y:auto;
}
.nav-drawer.is-open{opacity:1;transform:none;visibility:visible;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.drawer-close svg{width:20px;height:20px;}
.drawer-list{display:flex;flex-direction:column;gap:6px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;font-size:16px;font-weight:600;
  background:var(--bg);border:1px solid var(--line);
}
.drawer-list a.active{background:var(--primary-50);color:var(--primary);border-color:var(--primary-400);}
.drawer-list a span{font-size:13px;font-weight:400;color:var(--ink-500);}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-note{font-size:13px;color:var(--ink-500);line-height:1.7;}
@media (min-width:1024px){.nav-drawer{display:none;}}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb em{font-style:normal;color:var(--ink-800);font-weight:600;}
.breadcrumb span{color:#B8C5C1;}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--primary-50);border-bottom:1px solid var(--line);}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(232,245,241,.96) 0%,rgba(246,248,247,.82) 58%,rgba(255,255,255,.72) 100%);
}
.hero-inner{position:relative;z-index:2;padding:34px 0 56px;}
.hero-grid{display:grid;gap:32px;align-items:center;margin-top:22px;}
.hero-copy{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--primary);
  background:#fff;border:1px solid var(--primary-400);border-radius:999px;padding:5px 14px;
}
.cat-hero h1{
  font-size:28px;line-height:1.28;font-weight:800;letter-spacing:-.02em;
  color:var(--ink-900);margin:18px 0 14px;
}
.hero-sub{font-size:16px;color:var(--ink-500);line-height:1.8;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:14px;color:var(--ink-500);}
.hero-facts li{display:flex;align-items:center;gap:8px;}
.hero-facts svg{width:16px;height:16px;color:var(--primary);flex-shrink:0;}
.hero-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--brand-gradient);}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.95);border-radius:18px;padding:14px 16px;
  box-shadow:var(--shadow-sm);backdrop-filter:blur(6px);
}
.hero-float b{display:block;font-size:15px;color:var(--ink-900);}
.hero-float p{font-size:13px;color:var(--ink-500);margin-top:2px;}
@media (min-width:768px){
  .cat-hero h1{font-size:38px;line-height:1.24;}
  .hero-inner{padding:44px 0 72px;}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:52px;}
  .cat-hero h1{font-size:46px;}
  .hero-sub{font-size:17px;}
}

/* ============ 通用区块 ============ */
.section{padding:48px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:var(--sec-space) 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{display:flex;align-items:flex-start;gap:14px;}
.section-title::before{
  content:"";width:4px;border-radius:4px;background:var(--primary);
  align-self:stretch;min-height:34px;flex-shrink:0;margin-top:4px;
}
.section-title h2{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);line-height:1.35;}
.section-title p{font-size:14px;color:var(--ink-500);margin-top:6px;max-width:680px;}
@media (min-width:1024px){.section-title h2{font-size:32px;}.section-title p{font-size:15px;}}
.lead{font-size:16px;color:var(--ink-500);line-height:1.85;max-width:820px;}
.lead strong{color:var(--ink-900);}

/* ============ 时间轴流程 ============ */
.steps{margin-top:12px;}
.step{
  position:relative;display:grid;grid-template-columns:48px 1fr;gap:18px;
  padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step:not(:last-child)::after{
  content:"";position:absolute;left:23px;top:56px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary-400),rgba(63,181,154,.18));
  border-radius:2px;
}
.step-num{
  width:48px;height:48px;border-radius:50%;
  background:var(--brand-gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(14,124,102,.24);position:relative;z-index:2;
}
.step-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease;
}
.step-body:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.step-body h3{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;}
.step-body > p{font-size:15px;color:var(--ink-500);line-height:1.85;margin-top:8px;}
.step-points{margin-top:14px;display:grid;gap:8px;}
.step-points li{
  position:relative;padding-left:22px;font-size:14px;color:var(--ink-800);line-height:1.75;
}
.step-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--primary-400);
}
.step-time{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-50);border-radius:999px;padding:4px 12px;
}
@media (min-width:768px){
  .step{grid-template-columns:56px 1fr;gap:24px;padding-bottom:40px;}
  .step-num{width:56px;height:56px;font-size:19px;}
  .step:not(:last-child)::after{left:27px;top:64px;}
  .step-body{padding:26px 28px;}
  .step-body h3{font-size:20px;}
}
@media (min-width:1024px){
  .steps{max-width:920px;}
}

/* ============ 卡片网格 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.card-media{position:relative;overflow:hidden;background:var(--brand-gradient);aspect-ratio:16/10;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;left:14px;top:14px;box-shadow:0 6px 14px rgba(8,32,27,.18);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:700;color:var(--ink-900);line-height:1.45;letter-spacing:-.01em;}
.card-body p{font-size:14px;color:var(--ink-500);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-foot .meta{font-size:13px;color:var(--ink-500);}
.card-metrics{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 4px;}
.metric{
  background:var(--primary-50);border-radius:12px;padding:8px 12px;
  display:flex;flex-direction:column;gap:2px;min-width:104px;
}
.metric b{font-size:20px;font-weight:800;color:var(--primary-700);font-variant-numeric:tabular-nums;line-height:1.2;}
.metric span{font-size:12px;color:var(--ink-500);}
.signal-grid{display:grid;gap:20px;}
@media (min-width:768px){.signal-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media (min-width:1024px){.signal-grid{grid-template-columns:repeat(3,1fr);}}

/* ============ 保障条 ============ */
.guarantee{background:var(--primary-50);border-radius:20px;padding:24px 18px;}
.guarantee-grid{display:grid;gap:20px 16px;grid-template-columns:repeat(2,1fr);}
.g-item{display:flex;flex-direction:column;gap:8px;}
.g-icon{
  width:44px;height:44px;border-radius:14px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.g-icon svg{width:22px;height:22px;}
.g-item h3{font-size:15px;font-weight:700;color:var(--ink-900);}
.g-item p{font-size:13px;color:var(--ink-500);line-height:1.7;}
@media (min-width:1024px){
  .guarantee{padding:32px;}
  .guarantee-grid{grid-template-columns:repeat(4,1fr);gap:24px;}
  .g-item h3{font-size:16px;}
  .g-item p{font-size:14px;}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item.is-open{box-shadow:var(--shadow-md);border-color:var(--primary-400);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--primary-50);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-icon svg{width:15px;height:15px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{
  padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-500);
  border-top:1px dashed var(--line);margin:0 20px;padding-left:0;padding-right:0;
}
.faq-a-inner p{padding-top:14px;}
@media (min-width:768px){
  .faq-q{font-size:18px;padding:22px 26px;}
  .faq-a-inner{margin:0 26px;font-size:15px;}
}

/* ============ CTA 区块 ============ */
.cta-band{
  background:var(--brand-gradient);border-radius:var(--radius-xl);
  padding:32px 22px;color:#fff;box-shadow:var(--shadow-lg);
  display:grid;gap:22px;
}
.cta-band h2{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.4;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86);margin-top:10px;line-height:1.8;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-primary{box-shadow:0 10px 24px rgba(0,0,0,.18);}
.cta-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.22);}
.cta-note{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:rgba(255,255,255,.8);margin-top:6px;}
.cta-wrap{padding:8px 0 56px;}
@media (min-width:768px){
  .cta-band{padding:44px 40px;}
  .cta-band h2{font-size:28px;}
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1.2fr .8fr;align-items:center;gap:40px;padding:56px 56px;}
  .cta-actions{justify-content:flex-end;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#fff;padding:48px 0 26px;}
.foot-grid{display:grid;gap:32px;}
.foot-brand .brand-text b{color:#fff;}
.foot-brand .brand-text span{color:rgba(255,255,255,.62);}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:360px;}
.foot-contact{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:rgba(255,255,255,.62);}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:#fff;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.68);}
.foot-col a:hover{color:#fff;}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;}}
@media (min-width:1024px){.site-footer{padding:64px 0 28px;}}

/* ============ 移动底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  display:flex;align-items:stretch;height:60px;
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 18px rgba(8,32,27,.06);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--ink-500);position:relative;padding-top:4px;
}
.tabbar svg{width:22px;height:22px;}
.tabbar a.active{color:var(--primary);font-weight:700;}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:4px;border-radius:0 0 4px 4px;background:var(--primary);
}
@media (min-width:1024px){.tabbar{display:none;}}
main{padding-bottom:calc(76px + env(safe-area-inset-bottom));}
@media (min-width:1024px){main{padding-bottom:0;}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}