/* roulang page: index */
:root{
  --primary-600:#0EA47A;
  --primary-500:#12B886;
  --primary-400:#2FD1A2;
  --primary-700:#0A7A5B;
  --accent-500:#6C5CE7;
  --warm-500:#FF8A3D;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --dark:#0C1F1A;
  --text:#0C1F1A;
  --text-2:#4A5F58;
  --text-3:#8AA39B;
  --line:#E2EFEA;
  --grad:linear-gradient(120deg,#0EA47A 0%,#12B886 45%,#6C5CE7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(12,31,26,.05);
  --sh-2:0 8px 24px -12px rgba(12,31,26,.14);
  --sh-3:0 18px 40px -18px rgba(14,164,122,.35);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  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}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:0}
:focus-visible{outline:2px solid var(--primary-600);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-sm);font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,background-position .3s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background-image:var(--grad);background-size:180% 100%;background-position:0% 0;
  color:#fff;box-shadow:var(--sh-2);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);background-position:100% 0}
.btn-primary:active{transform:scale(.99)}
.btn-ghost{background:transparent;border-color:var(--primary-500);color:var(--primary-700)}
.btn-ghost:hover{background:rgba(18,184,134,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.99)}
.btn-light{background:#fff;color:var(--primary-700);border-color:#fff}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(0,0,0,.45)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-lg{padding:16px 32px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary-700);font-weight:600;font-size:15px;transition:transform .2s ease,color .2s ease}
.btn-text i{transition:transform .2s ease}
.btn-text:hover{transform:translateX(4px);color:var(--primary-600)}
.btn-text:hover i{transform:translateX(3px)}

/* ---------- 标签 / 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary-700);background:rgba(18,184,134,.1);
  border:1px solid rgba(18,184,134,.24);border-radius:999px;padding:6px 14px;
}
.pill i{font-size:12px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--primary-400);color:var(--primary-700);transform:translateY(-2px)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--primary-700);
  background:rgba(18,184,134,.1);border-radius:8px;padding:5px 12px;margin-bottom:16px;
}

/* ---------- 头部导航 ---------- */
.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 transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);background:rgba(255,255,255,.96)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background-image:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;
  box-shadow:var(--sh-2);
}
.brand-text{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;padding:9px 15px;border-radius:var(--r-sm);font-size:15px;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--primary-700);background:rgba(18,184,134,.08)}
.nav-link.is-active{color:var(--primary-700);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;background-image:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;width:248px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search i{font-size:13px;color:var(--text-3)}
.cmd-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.cmd-search input::placeholder{color:var(--text-3)}
.cmd-search:focus-within{border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(18,184,134,.14)}
.cmd-search kbd{
  font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;color:var(--text-3);
  background:#F1F8F5;border:1px solid var(--line);
}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--text);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.nav-toggle:hover{border-color:var(--primary-400);color:var(--primary-700)}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:14px}
.mobile-drawer .drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.mobile-drawer a.drawer-link{
  display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);
}
.mobile-drawer a.drawer-link.is-active{color:var(--primary-700);font-weight:600}
.mobile-drawer .btn{margin-top:16px}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:72px 0 var(--sec);overflow:hidden;
  background-image:linear-gradient(180deg,rgba(244,250,248,.94) 0%,rgba(244,250,248,.99) 60%,rgba(244,250,248,1) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(108,92,231,.18),rgba(108,92,231,0) 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-200px;left:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(18,184,134,.2),rgba(18,184,134,0) 70%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(30px,3.6vw,48px);line-height:1.22;font-weight:800;margin:20px 0 20px;max-width:620px;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.hero-media::before{
  content:"";position:absolute;inset:-14px -14px auto auto;width:130px;height:130px;border-radius:var(--r-md);
  background-image:var(--grad);opacity:.16;z-index:-1;
}
.badge-float{
  position:absolute;background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;min-width:130px;
}
.badge-float strong{font-size:30px;line-height:1;font-weight:800;font-family:"Inter","DIN Alternate",sans-serif;color:var(--text)}
.badge-float span{font-size:12px;color:var(--text-2)}
.badge-a{left:-22px;top:38px;border:1px solid rgba(18,184,134,.5)}
.badge-a strong{color:var(--primary-700)}
.badge-b{right:-14px;bottom:34px;border:1px solid rgba(108,92,231,.45)}
.badge-b strong{color:var(--accent-500);font-size:26px}
.hero-line{position:relative;z-index:2;margin-top:66px;height:2px;border-radius:2px;background-image:var(--grad);opacity:.45}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700}
.section-desc{color:var(--text-2);margin-top:12px;max-width:660px;font-size:16px}
.section--dark{background:var(--dark);color:#fff}
.section--dark .section-desc{color:rgba(255,255,255,.68)}
.section--dark .eyebrow{color:var(--primary-400);background:rgba(47,209,162,.14)}

/* ---------- 三步上手（错位栅格） ---------- */
.steps{display:grid;grid-template-columns:1.08fr .92fr;gap:24px}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;gap:12px;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,184,134,.42)}
.step-card--lg{grid-row:span 2;padding:36px;justify-content:center}
.step-no{
  font-size:52px;line-height:1;font-weight:800;font-family:"Inter","DIN Alternate",sans-serif;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step-card--lg .step-no{font-size:72px}
.step-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(18,184,134,.1);color:var(--primary-700);font-size:18px;
}
.step-card h3{font-size:20px;font-weight:600}
.step-card p{color:var(--text-2);font-size:15px;margin:0}
.step-more{margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}

/* ---------- 案例证明 ---------- */
.case{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.case + .case{margin-top:76px}
.case-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.case.is-reverse .case-media{order:2}
.case-body h3{font-size:22px;font-weight:700;margin-bottom:14px}
.case-body p{color:var(--text-2);margin-bottom:14px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.stat{
  background:rgba(18,184,134,.07);border:1px solid rgba(18,184,134,.35);border-radius:14px;
  padding:12px 18px;min-width:112px;
}
.stat b{display:block;font-size:28px;line-height:1.1;font-weight:800;color:var(--primary-700);font-family:"Inter","DIN Alternate",sans-serif}
.stat span{font-size:13px;color:var(--text-2)}
.stat--accent{background:rgba(108,92,231,.07);border-color:rgba(108,92,231,.3)}
.stat--accent b{color:var(--accent-500)}
.stat--warm{background:rgba(255,138,61,.09);border-color:rgba(255,138,61,.35)}
.stat--warm b{color:var(--warm-500)}

/* ---------- 能力卡（深色板块） ---------- */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ability-card{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);
  padding:28px;transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.ability-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.075);border-color:rgba(47,209,162,.5)}
.ability-card .step-icon{background:rgba(47,209,162,.14);color:var(--primary-400)}
.ability-card h3{font-size:20px;font-weight:600;margin:18px 0 10px;color:#fff}
.ability-card p{color:rgba(255,255,255,.66);font-size:15px}
.ability-list{margin-top:16px;display:grid;gap:8px}
.ability-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.ability-list i{color:var(--primary-400);font-size:13px;margin-top:8px}
.dark-stat-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:44px;padding-top:34px;border-top:1px solid rgba(255,255,255,.1)}
.dark-stat{flex:1 1 180px}
.dark-stat b{
  display:block;font-size:34px;line-height:1;font-weight:800;font-family:"Inter","DIN Alternate",sans-serif;
  background-image:linear-gradient(120deg,#2FD1A2 0%,#6C5CE7 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.dark-stat span{font-size:14px;color:rgba(255,255,255,.6)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(18,184,134,.45)}
.news-cover{aspect-ratio:16/10;overflow:hidden;background:var(--line)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-tag{
  align-self:flex-start;font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;
  color:#4B3FC4;background:rgba(108,92,231,.1);
}
.news-title{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);
}
.news-meta .go{color:var(--primary-700);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:56px 24px;text-align:center;color:var(--text-2);
}
.empty-state i{font-size:34px;color:var(--primary-400);margin-bottom:14px;display:block}
.empty-state p{margin-bottom:10px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:start}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{border-left-color:var(--primary-600);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
}
.faq-q i{color:var(--primary-600);font-size:14px;transition:transform .2s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:15px;margin:0}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;color:#fff;
}
.cta-card::before{
  content:"";position:absolute;top:-160px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(18,184,134,.42),rgba(18,184,134,0) 70%);
}
.cta-card::after{
  content:"";position:absolute;bottom:-180px;left:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(108,92,231,.34),rgba(108,92,231,0) 70%);
}
.cta-copy,.cta-form{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.32;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.7)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-points{display:grid;gap:10px;margin-top:26px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.cta-points i{color:var(--primary-400);margin-top:6px;font-size:13px}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:28px}
.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field select option{color:#0C1F1A}
.field input:focus,.field select:focus{
  border-color:var(--primary-400);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(47,209,162,.18);
}
.field.has-error input{border-color:var(--warm-500)}
.form-tip{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px}
.form-tip.is-show{color:var(--primary-400)}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.62);font-size:14px;padding-top:64px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
.footer-brand strong{color:#fff;font-size:16px}
.footer p{line-height:1.85;margin:0}
.footer h4{font-size:14px;font-weight:600;color:var(--primary-400);margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--primary-400);transform:translateX(3px)}
.footer-contact{display:grid;gap:10px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--primary-400);margin-top:6px;font-size:13px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--sec:80px}
  .cmd-search{width:200px}
  .brand-text{font-size:15px}
}
@media (max-width:992px){
  :root{--sec:64px}
  .main-nav{justify-content:flex-start}
  .cmd-search{width:170px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1,.hero-sub{max-width:none}
  .badge-a{left:12px}
  .badge-b{right:12px}
  .steps{grid-template-columns:1fr}
  .step-card--lg{grid-row:auto}
  .case{grid-template-columns:1fr;gap:28px}
  .case.is-reverse .case-media{order:0}
  .case + .case{margin-top:56px}
  .ability-grid{grid-template-columns:1fr;gap:18px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .main-nav{display:none}
  .cmd-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:64px;gap:14px}
  .brand-text{font-size:14px}
  .hero{padding-top:48px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 auto}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px}
  .news-grid{grid-template-columns:1fr}
  .cta-card{padding:36px 22px}
  .hero-line{margin-top:48px}
}
@media (max-width:560px){
  :root{--sec:48px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .hero-media{display:flex;flex-wrap:wrap;gap:12px}
  .hero-media img{width:100%}
  .badge-float{position:static;flex:1 1 46%;min-width:0}
  .badge-a,.badge-b{left:auto;right:auto;top:auto;bottom:auto}
  .btn{width:100%}
  .btn-sm{width:auto}
  .hero-cta .btn,.cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .dark-stat-row{flex-direction:column;gap:22px}
  .step-card{padding:22px}
  .step-card--lg{padding:26px}
  .form-card{padding:22px}
}
@media (max-width:380px){
  .brand-text{font-size:13px}
  .hero h1{font-size:23px}
  .step-no{font-size:42px}
  .badge-float strong{font-size:24px}
}

/* roulang page: article */
:root{
  --primary-700:#0A7A5B;
  --primary-600:#0EA47A;
  --primary-500:#12B886;
  --primary-400:#2FD1A2;
  --accent-500:#6C5CE7;
  --warm-500:#FF8A3D;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --dark:#0C1F1A;
  --text:#0C1F1A;
  --text-2:#4A5F58;
  --text-3:#8AA39B;
  --line:#E2EFEA;
  --grad:linear-gradient(120deg,#0EA47A 0%,#12B886 45%,#6C5CE7 100%);
  --grad-soft:linear-gradient(120deg,rgba(14,164,122,.12) 0%,rgba(18,184,134,.10) 45%,rgba(108,92,231,.12) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(12,31,26,.05);
  --sh-2:0 8px 24px -12px rgba(12,31,26,.14);
  --sh-3:0 18px 40px -18px rgba(14,164,122,.35);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;}
a{color:var(--primary-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-700);}
button{font-family:inherit;cursor:pointer;}
ul,ol{padding-left:1.2em;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:0;line-height:1.3;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary-600);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部进度条 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120;transition:width .12s linear;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:15px;font-weight:500;
  color:var(--text-2);transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--primary-700);background:rgba(18,184,134,.08);transform:translateY(-1px);}
.nav-link.is-active{color:var(--primary-700);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;width:230px;height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.command-search:focus-within{border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(18,184,134,.14);}
.command-search i{color:var(--text-3);font-size:14px;}
.command-search input{
  border:0;outline:0;background:transparent;font-size:14px;color:var(--text);width:100%;font-family:inherit;
}
.command-search input::placeholder{color:var(--text-3);}
.kbd{
  font-size:11px;line-height:1;color:var(--text-3);border:1px solid var(--line);
  border-radius:6px;padding:3px 6px;background:#F8FCFA;flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  color:var(--text-2);display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary-700);border-color:var(--primary-400);transform:translateY(-2px);box-shadow:var(--sh-2);}
.icon-btn:active{transform:scale(.99);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-sm);font-size:16px;font-weight:600;
  border:1px solid transparent;transition:all .22s ease;line-height:1;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-3);background-size:160% 100%;}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 18px 38px -16px rgba(108,92,231,.45);}
.btn-primary:active{transform:scale(.99);}
.btn-ghost{background:transparent;border-color:var(--primary-500);color:var(--primary-700);}
.btn-ghost:hover{background:rgba(18,184,134,.08);color:var(--primary-700);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.99);}
.btn-warm:hover{background-position:0 0;box-shadow:0 18px 38px -16px rgba(255,138,61,.5);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none;}
.nav-toggle{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary-700);}
.crumb .sep{color:#C4D8D1;}
.crumb .now{color:var(--primary-700);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line);}
.article-head h1{font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.28;max-width:900px;}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:14px;color:var(--text-3);}
.head-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4D8D1;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:10px;
  background:rgba(18,184,134,.10);border:1px solid rgba(18,184,134,.28);
  color:var(--primary-700);font-size:13px;font-weight:600;
}
.lead-line{margin-top:18px;max-width:820px;font-size:16px;color:var(--text-2);}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  padding:48px 0 0;align-items:start;
}
.article-main{min-width:0;}
.article-body{
  max-width:820px;font-size:16px;line-height:1.9;color:var(--text-2);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--sh-1);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--text);margin:40px 0 16px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:21px;font-weight:600;color:var(--text);margin:30px 0 12px;}
.article-body h4{font-size:18px;font-weight:600;color:var(--text);margin:24px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:1.4em;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker{color:var(--primary-500);}
.article-body ol li::marker{color:var(--primary-600);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--grad-soft);
  border-left:4px solid var(--primary-500);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px 0 8px;width:100%;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;overflow:hidden;border-radius:var(--r-sm);}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:#F2FBF7;color:var(--text);font-weight:600;}
.article-body a{font-weight:500;border-bottom:1px solid rgba(18,184,134,.35);}
.article-body a:hover{border-bottom-color:var(--primary-600);}
.article-body strong{color:var(--text);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:820px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .empty-ico{
  width:64px;height:64px;border-radius:20px;background:var(--grad-soft);color:var(--primary-600);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 18px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- 文末标签 ---------- */
.article-foot{max-width:820px;margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.article-foot .foot-label{font-size:14px;color:var(--text-3);margin-right:4px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:10px;font-size:13px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);transition:all .2s ease;
}
.chip:hover{color:var(--primary-700);border-color:var(--primary-400);transform:translateY(-2px);box-shadow:var(--sh-2);}

/* ---------- 返回入口 ---------- */
.back-row{max-width:820px;margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:22px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--primary-600);font-size:14px;}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
.toc-list li{margin:0;}
.toc-list a{
  display:block;padding:7px 0 7px 14px;font-size:14px;color:var(--text-2);border-left:2px solid transparent;
  margin-left:-2px;transition:all .2s ease;
}
.toc-list a:hover,.toc-list a.is-current{color:var(--primary-700);border-left-color:var(--primary-500);background:rgba(18,184,134,.06);}
.toc-empty{font-size:14px;color:var(--text-3);}
.side-cta{background:var(--dark);border-color:var(--dark);}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:var(--primary-400);}
.side-cta p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ---------- 相关推荐 ---------- */
.related{padding:80px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.sec-head p{font-size:14px;color:var(--text-3);margin-top:8px;max-width:560px;}
.text-link{font-size:15px;font-weight:600;color:var(--primary-700);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;}
.text-link:hover{gap:10px;color:var(--primary-700);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.post-cover{aspect-ratio:16/9;overflow:hidden;background:var(--line);border-radius:0;}
.post-cover img{width:100%;height:100%;border-radius:0;}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--primary-700);background:rgba(18,184,134,.10);border:1px solid rgba(18,184,134,.26);border-radius:8px;padding:4px 10px;}
.post-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--primary-700);}
.post-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--line);}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0 0;}
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item.is-open{border-color:rgba(18,184,134,.4);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);text-align:left;line-height:1.5;
}
.faq-q i{color:var(--primary-600);transition:transform .2s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 24px 20px;font-size:15px;color:var(--text-2);border-left:3px solid var(--primary-500);margin-left:0;}

/* ---------- CTA ---------- */
.cta-section{padding:88px 0 0;}
.cta-card{
  background:var(--dark);border-radius:var(--r-lg);padding:52px;display:grid;
  grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:var(--grad);opacity:.22;filter:blur(6px);
}
.cta-card h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.74);font-size:15px;margin-bottom:24px;max-width:460px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-on-dark:hover{background:rgba(255,255,255,.1);color:#fff;}
.cta-panel{position:relative;z-index:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:24px;}
.cta-panel h3{color:#fff;font-size:17px;margin-bottom:16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:6px;}
.field input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-sm);font-size:14px;font-family:inherit;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field input:focus{border-color:var(--primary-400);box-shadow:0 0 0 3px rgba(47,209,162,.22);}
.field.has-error input{border-color:var(--warm-500);}
.field .err{display:none;font-size:12px;color:var(--warm-500);margin-top:6px;}
.field.has-error .err{display:block;}
.cta-panel .btn{width:100%;}
.form-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.6;}

/* ---------- 页脚 ---------- */
.footer{margin-top:96px;background:var(--dark);color:rgba(255,255,255,.68);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700;}
.footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer h4{color:var(--primary-400);font-size:14px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-links a:hover{color:var(--primary-400);}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact i{color:var(--primary-400);margin-top:4px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,31,26,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;z-index:115;
  transform:translateX(102%);transition:transform .28s ease;padding:22px;display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--text-2);font-weight:500;}
.drawer-nav a:hover{background:rgba(18,184,134,.08);color:var(--primary-700);}
.drawer .command-search{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px;}
  .command-search{width:190px;}
}
@media (max-width:992px){
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-body{padding:32px 26px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--r-lg:20px;}
  .container{padding:0 18px;}
  .main-nav,.nav-right .command-search,.nav-right .icon-btn.desk-only{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:64px;gap:12px;}
  .brand-text{font-size:15px;}
  .nav-right{margin-left:auto;}
  .article-body{padding:26px 20px;border-radius:var(--r-md);}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:19px;}
  .faq-section,.cta-section,.related{padding-top:64px;}
  .footer{margin-top:64px;padding-top:48px;}
  .cta-card{padding:32px 22px;}
}
@media (max-width:560px){
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .btn{width:100%;}
  .head-meta{gap:10px;}
  .article-head h1{font-size:26px;}
}
@media (max-width:380px){
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .article-body{padding:20px 16px;}
}

/* roulang page: category1 */
:root{
  --primary-600:#0EA47A;
  --primary-500:#12B886;
  --primary-400:#2FD1A2;
  --primary-700:#0A7A5B;
  --accent-500:#6C5CE7;
  --warm-500:#FF8A3D;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --dark:#0C1F1A;
  --text:#0C1F1A;
  --text-2:#4A5F58;
  --text-3:#8AA39B;
  --line:#E2EFEA;
  --grad:linear-gradient(120deg,#0EA47A 0%,#12B886 45%,#6C5CE7 100%);
  --grad-soft:linear-gradient(120deg,rgba(14,164,122,.12) 0%,rgba(108,92,231,.12) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(12,31,26,.05);
  --sh-2:0 8px 24px -12px rgba(12,31,26,.14);
  --sh-3:0 18px 40px -18px rgba(14,164,122,.35);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px;border-radius:6px}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;white-space:nowrap;letter-spacing:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:var(--sh-2);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--primary-700);background:#F0F9F6}
.nav-link.is-active{color:var(--primary-700);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  min-width:220px;padding:8px 12px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box:focus-within{border-color:var(--primary-500);background:#fff;box-shadow:0 0 0 3px rgba(18,184,134,.15)}
.search-box i{color:var(--text-3);font-size:13px}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.search-box input::placeholder{color:var(--text-3)}
.kbd{font-size:11px;color:var(--text-3);background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  display:grid;place-items:center;border:1px solid var(--line);background:#fff;
  color:var(--text-2);cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary-700);border-color:var(--primary-400);transform:translateY(-2px);box-shadow:var(--sh-2)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text);align-items:center;justify-content:center}
.nav-toggle i{font-size:17px;transition:transform .25s ease}
.nav-toggle.is-active i{transform:rotate(90deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:85;
  background:#fff;padding:22px 18px 32px;
  display:none;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:8px}
.mobile-drawer .nav-link{padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:16px}
.mobile-drawer .search-box{min-width:0;width:100%}
.mobile-drawer .btn{width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-sm);padding:14px 28px;
  font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn i{font-size:14px;transition:transform .2s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px -18px rgba(108,92,231,.55)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--primary-700);border:1px solid var(--primary-500)}
.btn-ghost:hover{background:#F0F9F6;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-light{background:#fff;color:var(--primary-700);border:1px solid #fff}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 40px -20px rgba(0,0,0,.5)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn:active{transform:scale(.99)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary-700);font-weight:600;font-size:15px;
}
.link-more i{transition:transform .2s ease}
.link-more:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:48px 0 76px;
  background:#EAF6F2 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 44%,rgba(12,31,26,.22) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;margin-top:22px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary-700)}
.breadcrumb .current{color:var(--primary-700);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.85);
  border:1px solid var(--primary-400);
  color:var(--primary-700);font-size:13px;font-weight:600;
}
.hero-title{
  margin-top:18px;
  font-size:clamp(30px,3.6vw,50px);
  line-height:1.2;font-weight:800;letter-spacing:0;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.tag i{color:var(--primary-500);font-size:12px}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.cat-tab{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
  background:rgba(255,255,255,.9);border:1px solid var(--line);color:var(--text-2);
  transition:all .2s ease;
}
.cat-tab:hover{border-color:var(--primary-400);color:var(--primary-700);transform:translateY(-2px)}
.cat-tab.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--sh-3)}

.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 24px 56px -28px rgba(12,31,26,.4)}
.badge-float{
  position:absolute;background:#fff;border:1px solid var(--primary-400);
  border-radius:14px;padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;min-width:128px;
}
.badge-float .num{font-size:26px;font-weight:800;line-height:1.1;color:var(--primary-700)}
.badge-float .num.warm{color:var(--warm-500)}
.badge-float .lbl{font-size:12.5px;color:var(--text-3)}
.badge-float.pos-1{left:-16px;top:34px}
.badge-float.pos-2{right:-14px;bottom:-18px;border-color:var(--accent-500)}
.badge-float.pos-2 .num{color:var(--accent-500)}
.hero-divider{height:4px;border-radius:4px;background:var(--grad);opacity:.85;margin-top:56px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff}
.section-dark{background:var(--dark);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(23px,2.5vw,34px);line-height:1.3;font-weight:700;letter-spacing:0}
.sec-head .sec-desc{max-width:520px;color:var(--text-2);font-size:15.5px}
.section-dark .sec-head .sec-desc{color:rgba(255,255,255,.66)}
.sec-label{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary-600);text-transform:uppercase;display:block;margin-bottom:10px}
.section-dark .sec-label{color:var(--primary-400)}

/* ============ 卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--primary-400)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);margin-bottom:20px}
.card h3{font-size:20px;font-weight:600;line-height:1.4}
.card p{margin-top:12px;color:var(--text-2);font-size:15px}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.chip{
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  background:#F0F9F6;color:var(--primary-700);border:1px solid var(--line);
}
.chip.accent{background:#F1EFFD;color:var(--accent-500);border-color:#E4E0FB}
.chip.warm{background:#FFF3EA;color:#C25A15;border-color:#FFE0CB}
.card-num{
  width:38px;height:38px;border-radius:12px;background:var(--grad-soft);
  border:1px solid var(--line);color:var(--primary-700);
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;
}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split.reverse .split-media{order:2}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.split h3{font-size:clamp(20px,2.1vw,26px);font-weight:700;line-height:1.4}
.split p{margin-top:16px;color:var(--text-2)}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.8}
.check-list li i{color:var(--primary-500);margin-top:6px;font-size:14px;flex:0 0 auto}
.mini-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.mini-badge{
  border-radius:14px;padding:10px 16px;background:var(--grad-soft);
  border:1px solid var(--primary-400);display:flex;flex-direction:column;gap:0;
}
.mini-badge .v{font-size:22px;font-weight:800;color:var(--primary-700);line-height:1.2}
.mini-badge .t{font-size:12.5px;color:var(--text-3)}

/* ============ 流程 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px 28px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--primary-400);box-shadow:var(--sh-3)}
.step .idx{
  font-size:34px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin-top:14px;font-size:18px;font-weight:600}
.step p{margin-top:10px;color:var(--text-2);font-size:14.5px}
.step .arrow{
  position:absolute;right:-20px;top:50%;transform:translateY(-50%);
  color:var(--primary-400);font-size:15px;opacity:.85;
}
.steps .step:nth-child(3) .arrow,
.steps .step:nth-child(6) .arrow{display:none}

/* ============ 深色安全区块 ============ */
.dark-panel{
  background:radial-gradient(120% 140% at 100% 0%,rgba(108,92,231,.28) 0%,rgba(12,31,26,0) 55%),
             radial-gradient(100% 120% at 0% 100%,rgba(14,164,122,.3) 0%,rgba(12,31,26,0) 60%),
             var(--dark);
  border-radius:32px;padding:56px 48px;
}
.dark-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:36px}
.status-card{
  display:flex;gap:16px;align-items:flex-start;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:20px 22px;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.status-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);border-color:rgba(47,209,162,.5)}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--primary-400);margin-top:8px;flex:0 0 auto;box-shadow:0 0 0 4px rgba(47,209,162,.18)}
.status-dot.warm{background:var(--warm-500);box-shadow:0 0 0 4px rgba(255,138,61,.2)}
.status-card h4{font-size:16.5px;font-weight:600}
.status-card p{margin-top:8px;color:rgba(255,255,255,.66);font-size:14.5px}

/* ============ FAQ ============ */
.faq-wrap{max-width:960px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--primary-400);box-shadow:var(--sh-2)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text);cursor:pointer;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .fi{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:#F0F9F6;color:var(--primary-700);
  display:grid;place-items:center;font-size:12px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q .fi{transform:rotate(180deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:32px;
  background:var(--dark);color:#fff;padding:56px 48px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(14,164,122,.35) 0%,rgba(108,92,231,.32) 100%);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(23px,2.6vw,34px);font-weight:700;line-height:1.3}
.cta-inner .cta-text{margin-top:16px;color:rgba(255,255,255,.78);font-size:15.5px}
.cta-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.cta-contact{margin-top:26px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.cta-contact span i{color:var(--primary-400);margin-right:8px;width:16px}
.form-card{
  background:rgba(255,255,255,.97);color:var(--text);
  border-radius:var(--r-lg);padding:28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.form-card h3{font-size:18px;font-weight:700}
.form-card .form-tip{margin-top:8px;font-size:13px;color:var(--text-3)}
.form-row{margin-top:16px;display:flex;flex-direction:column;gap:7px}
.form-row label{font-size:13.5px;font-weight:600;color:var(--text-2)}
.form-row input,.form-row select{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(18,184,134,.15)}
.form-row input::placeholder{color:var(--text-3)}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-card .btn{width:100%;margin-top:20px}
.field-error{color:#C25A15;font-size:12.5px;display:none}
.field-error.is-show{display:block}
.form-row.has-error input{border-color:var(--warm-500);box-shadow:0 0 0 3px rgba(255,138,61,.14)}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:rgba(255,255,255,.66);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:800;margin-bottom:16px}
.footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer h4{font-size:14px;font-weight:600;color:var(--primary-400);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--primary-400);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.7}
.footer-contact i{color:var(--primary-500);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .hero-grid{gap:36px}
  .nav-inner{gap:14px}
  .search-box{min-width:180px}
}
@media (max-width:992px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:52px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps .step .arrow{display:none}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .dark-panel,.cta-panel{padding:40px 30px;border-radius:26px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}
@media (max-width:768px){
  .main-nav{display:none}
  .nav-right .search-box{display:none}
  .nav-right .icon-btn{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px}
  .mobile-drawer{inset:64px 0 0 0}
  .hero-title{font-size:30px}
  .cat-hero{padding:34px 0 56px}
  .grid-3,.grid-2,.steps,.dark-grid{grid-template-columns:1fr}
  .sec-head{margin-bottom:32px}
  .badge-float.pos-1{left:8px;top:12px}
  .badge-float.pos-2{right:8px;bottom:12px}
  .badge-float{padding:10px 13px;min-width:104px}
  .badge-float .num{font-size:21px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .ctrl-actions .btn,.cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .hero-tags{gap:8px}
  .dark-panel,.cta-panel{padding:30px 20px;border-radius:20px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:15.5px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .card,.step{padding:20px}
}
@media (max-width:380px){
  .brand{font-size:14px}
  .brand-mark{width:30px;height:30px;font-size:14px}
  .hero-title{font-size:26px}
  .badge-float{display:none}
  .mini-badges{gap:8px}
  .mini-badge .v{font-size:19px}
}

/* roulang page: category2 */
:root{
  --primary-600:#0EA47A;
  --primary-500:#12B886;
  --primary-400:#2FD1A2;
  --primary-700:#0A7A5B;
  --accent-500:#6C5CE7;
  --warm-500:#FF8A3D;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --dark:#0C1F1A;
  --text:#0C1F1A;
  --text-2:#4A5F58;
  --text-3:#8AA39B;
  --line:#E2EFEA;
  --grad:linear-gradient(120deg,#0EA47A 0%,#12B886 45%,#6C5CE7 100%);
  --grad-soft:linear-gradient(120deg,rgba(14,164,122,.12) 0%,rgba(18,184,134,.10) 45%,rgba(108,92,231,.12) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-xs:14px;
  --sh-1:0 1px 2px rgba(12,31,26,.05);
  --sh-2:0 8px 24px -12px rgba(12,31,26,.14);
  --sh-3:0 18px 40px -18px rgba(14,164,122,.35);
  --sp-section:92px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  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;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:0;line-height:1.3;}
h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.2;}
h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary-600);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--primary-700);background:rgba(18,184,134,.10);border:1px solid rgba(18,184,134,.22);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.section-head p{color:var(--text-2);max-width:620px;margin-top:10px;font-size:15px;}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary-700);font-weight:600;font-size:15px;transition:transform .2s ease,color .2s ease;}
.text-link i{transition:transform .2s ease;}
.text-link:hover{color:var(--primary-600);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;font-size:16px;color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:0 8px 18px -10px rgba(14,164,122,.7);
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px;}
.nav-link{
  position:relative;padding:9px 13px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-2);transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary-700);background:rgba(18,184,134,.08);}
.nav-link.is-active{color:var(--primary-700);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:9px;height:40px;min-width:220px;
  padding:0 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text-3);transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(18,184,134,.14);}
.search-box i{font-size:13px;}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--text-3);}
.kbd{
  font-size:11px;line-height:1;padding:4px 6px;border:1px solid var(--line);
  border-bottom-width:2px;border-radius:6px;color:var(--text-3);background:#F8FCFA;
}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer;
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{color:var(--primary-700);border-color:var(--primary-400);transform:translateY(-2px);box-shadow:var(--sh-2);}
.nav-toggle{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btn-primary{background:var(--grad);background-size:160% 100%;color:#fff;box-shadow:0 12px 26px -14px rgba(14,164,122,.75);}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:scale(.99);}
.btn-ghost{background:transparent;border-color:var(--primary-600);color:var(--primary-700);}
.btn-ghost:hover{background:rgba(18,184,134,.09);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.99);}
.btn-warm{background:var(--warm-500);color:#fff;box-shadow:0 12px 26px -14px rgba(255,138,61,.8);}
.btn-warm:hover{transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(255,138,61,.65);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:#0C1F1A;
  padding:56px 0 76px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,31,26,.92) 0%,rgba(10,122,91,.78) 48%,rgba(108,92,231,.62) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:26px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.cat-hero h1{color:#fff;max-width:640px;}
.cat-hero .hero-sub{color:rgba(255,255,255,.84);font-size:17px;max-width:600px;margin-top:18px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  padding:7px 14px;border-radius:999px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
}
.pill i{color:var(--primary-400);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cat-hero .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.14);}
.hero-panel{
  background:rgba(255,255,255,.97);
  border:1px solid rgba(255,255,255,.5);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.55);
}
.hero-panel h3{font-size:18px;margin-bottom:6px;}
.hero-panel .panel-note{font-size:13px;color:var(--text-2);margin-bottom:18px;}
.mini-steps{display:grid;gap:12px;}
.mini-step{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 14px;border-radius:var(--r-sm);
  background:#F7FCFA;border:1px solid var(--line);
}
.mini-step span.num{
  flex:0 0 26px;height:26px;border-radius:9px;background:var(--grad-soft);
  border:1px solid rgba(18,184,134,.28);color:var(--primary-700);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.mini-step strong{display:block;font-size:14px;}
.mini-step em{font-style:normal;font-size:13px;color:var(--text-2);}

/* ---------- tab bar ---------- */
.tabbar-wrap{background:#fff;border-bottom:1px solid var(--line);}
.tabbar{display:flex;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:none;}
.tabbar::-webkit-scrollbar{display:none;}
.tab{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;
  border:1px solid var(--line);color:var(--text-2);background:#fff;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.tab:hover{color:var(--primary-700);border-color:var(--primary-400);transform:translateY(-2px);}
.tab.is-current{color:#fff;background:var(--grad);border-color:transparent;box-shadow:0 10px 22px -14px rgba(14,164,122,.8);}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE7DF;}
.card h3{margin-bottom:10px;}
.card p{color:var(--text-2);font-size:15px;}
.card .icon-box{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(18,184,134,.25);
  color:var(--primary-700);font-size:18px;margin-bottom:18px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:rgba(18,184,134,.10);color:var(--primary-700);border:1px solid rgba(18,184,134,.22);
}
.tag-accent{background:rgba(108,92,231,.10);color:#5849C9;border-color:rgba(108,92,231,.25);}
.tag-warm{background:rgba(255,138,61,.12);color:#C25E1C;border-color:rgba(255,138,61,.28);}
.card-list{margin-top:16px;display:grid;gap:10px;}
.card-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.card-list li i{color:var(--primary-500);margin-top:5px;font-size:12px;}
.card-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}

/* ---------- alternating feature rows ---------- */
.feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.feature-row + .feature-row{margin-top:70px;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--line);box-shadow:var(--sh-2);}
.feature-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
.feature-media .float-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(255,255,255,.96);border:1px solid rgba(18,184,134,.3);
  border-radius:var(--r-xs);padding:12px 16px;box-shadow:var(--sh-2);
}
.feature-media .float-badge b{display:block;font-size:26px;font-weight:800;line-height:1;color:var(--primary-700);}
.feature-media .float-badge small{font-size:12px;color:var(--text-2);}
.feature-text h3{font-size:22px;margin-bottom:14px;}
.feature-text p{color:var(--text-2);margin-bottom:14px;}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.stat{
  border:1px solid rgba(18,184,134,.28);background:#F3FBF8;
  border-radius:var(--r-xs);padding:12px 16px;min-width:118px;
}
.stat b{display:block;font-size:26px;font-weight:800;line-height:1.1;color:var(--primary-700);font-variant-numeric:tabular-nums;}
.stat small{font-size:12px;color:var(--text-2);}

/* ---------- flow steps ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative;}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;position:relative;
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.flow-step .step-no{
  font-size:38px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-2);}
.flow-step::after{
  content:"";position:absolute;top:52px;right:-12px;width:24px;height:2px;background:var(--line);
}
.flow-step:last-child::after{display:none;}

/* ---------- checklist panel ---------- */
.prep-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:32px;box-shadow:var(--sh-1);
}
.check-list{display:grid;gap:14px;}
.check-list li{
  display:flex;gap:12px;padding:14px 16px;border-radius:var(--r-sm);
  background:#F7FCFA;border:1px solid var(--line);font-size:14px;color:var(--text-2);
}
.check-list li i{color:var(--primary-600);margin-top:5px;font-size:13px;}
.check-list li strong{color:var(--text);display:block;font-size:15px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.is-open{border-color:#CFE7DF;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
  position:relative;transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-item.is-open .faq-q{color:var(--primary-700);}
.faq-q .chev{margin-left:auto;color:var(--text-3);font-size:14px;transition:transform .25s ease;}
.faq-item.is-open .chev{transform:rotate(180deg);color:var(--primary-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 24px 22px 24px;color:var(--text-2);font-size:15px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);border-radius:var(--r-lg);padding:52px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  gap:44px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,134,.35) 0%,rgba(108,92,231,.12) 45%,transparent 70%);
}
.cta-band h2{color:#fff;position:relative;}
.cta-band p{color:rgba(255,255,255,.76);margin-top:14px;font-size:15px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);}
.apply-form{
  position:relative;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:26px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.3);
  outline:0;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:88px;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(18,184,134,.25);
}
.field .hint{font-size:12px;color:rgba(255,255,255,.55);margin-top:6px;}
.field.has-error input{border-color:var(--warm-500);box-shadow:0 0 0 3px rgba(255,138,61,.2);}
.field .err{font-size:12px;color:#FFB185;margin-top:6px;display:none;}
.field.has-error .err{display:block;}

/* ---------- footer ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.66);margin-top:0;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700;}
.footer p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer h4{font-size:14px;font-weight:600;color:var(--primary-400);margin-bottom:16px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.68);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--primary-400);transform:translateX(3px);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--primary-400);margin-top:5px;font-size:12px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:72px 0 0 0;z-index:70;
  background:rgba(255,255,255,.98);backdrop-filter:blur(8px);
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  overflow-y:auto;padding:22px 24px 40px;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer .drawer-nav{display:grid;gap:8px;margin-bottom:20px;}
.drawer .drawer-nav a{
  padding:14px 16px;border-radius:var(--r-sm);border:1px solid var(--line);
  font-size:15px;color:var(--text-2);background:#fff;
}
.drawer .drawer-nav a.is-active{color:var(--primary-700);font-weight:600;border-color:rgba(18,184,134,.4);background:#F3FBF8;}
.drawer .btn{width:100%;margin-top:14px;}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  :root{--sp-section:78px;}
  .search-box{min-width:180px;}
}
@media (max-width:992px){
  :root{--sp-section:68px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row.reverse .feature-media{order:0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-step::after{display:none;}
  .prep-panel{grid-template-columns:1fr;padding:26px;}
  .cta-band{grid-template-columns:1fr;padding:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:grid;}
  .nav-wrap{gap:12px;height:64px;}
  .drawer{inset:64px 0 0 0;}
  .grid-2{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:560px){
  :root{--sp-section:52px;}
  .container{padding:0 18px;}
  .grid-3,.flow{grid-template-columns:1fr;}
  .cat-hero{padding:38px 0 56px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:var(--r-md);}
  .prep-panel{padding:22px;}
  .card{padding:22px;}
  .stat{flex:1 1 100%;}
}
@media (max-width:380px){
  .brand span.brand-text{font-size:14px;}
  h1{font-size:26px;}
  .flow-step .step-no{font-size:32px;}
}