/* roulang page: index */
:root{
  --primary:#2A1E5C;
  --primary-hover:#3A2A7A;
  --primary-active:#1F1647;
  --accent:#2FD3C0;
  --accent-ink:#159A8C;
  --accent-deep:#0E7C71;
  --gold:#F4C97A;
  --deep:#0D0A1E;
  --deep-2:#16112F;
  --mist:#F6F5FB;
  --white:#FFFFFF;
  --ink:#171233;
  --ink-sub:#5B5678;
  --ink-weak:#8A85A3;
  --ink-invert:#F4F2FF;
  --line:#E4E1F0;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1FA97F;
  --warn:#E0803A;
  --err:#D9534F;
  --r-sm:8px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(23,18,51,.06);
  --sh-hover:0 12px 32px rgba(23,18,51,.12);
  --container:1200px;
  --gutter:24px;
  --section-y:96px;
}
*,*::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,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,211,192,.45)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0)}
.btn-accent{background:var(--accent);color:#06231F}
.btn-accent:hover{background:#23BEAC;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);border-width:1.5px}
.btn-outline:hover{background:rgba(42,30,92,.07)}
.btn-outline-light{background:transparent;color:var(--ink-invert);border-color:rgba(255,255,255,.45);border-width:1.5px}
.btn-outline-light:hover{background:#fff;color:var(--primary);border-color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.text-link{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.text-link:hover{color:var(--accent-ink)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;line-height:1.5;white-space:nowrap}
.badge-accent{background:rgba(47,211,192,.16);color:var(--accent-deep)}
.badge-primary{background:rgba(42,30,92,.10);color:var(--primary)}
.badge-gold{background:rgba(244,201,122,.22);color:#8A6116}
.badge-dark{background:rgba(255,255,255,.12);color:var(--ink-invert)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(13,10,30,.82);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(13,10,30,.95);
  backdrop-filter:blur(8px);
  box-shadow:0 1px 0 rgba(255,255,255,.10);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:84px;transition:height .2s ease}
.site-header.is-scrolled .nav-inner{height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-invert);flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(140deg,#3A2A7A,#221A4C);
  border:1px solid rgba(47,211,192,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:600;letter-spacing:.02em}
.brand-sub{font-size:11px;color:rgba(244,242,255,.6)}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:180px;
  display:flex;align-items:center;gap:8px;height:44px;
  padding:0 6px 0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid var(--line-dark);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,211,192,.45);background:rgba(255,255,255,.12)}
.nav-search .search-ico{flex:0 0 auto;color:rgba(244,242,255,.65);transition:color .2s}
.nav-search:focus-within .search-ico{color:var(--accent)}
.nav-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;color:var(--ink-invert);font-size:14px}
.nav-search input::placeholder{color:rgba(244,242,255,.58)}
.search-btn{
  flex:0 0 auto;height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--accent);color:#06231F;font-size:13px;font-weight:600;
  transition:background .2s;
}
.search-btn:hover{background:#23BEAC}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;padding:8px 10px;font-size:14px;color:rgba(244,242,255,.82);
  transition:color .2s;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid var(--line-dark);color:#fff;
}
.nav-search-btn{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid var(--line-dark);color:#fff;
}
.mobile-drawer{display:none;flex-direction:column;gap:2px;padding:8px 0 20px;border-top:1px solid var(--line-dark)}
.mobile-drawer a{padding:14px 4px;font-size:17px;color:rgba(244,242,255,.86);border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-drawer a.is-active{color:#fff;font-weight:600}
.mobile-drawer .btn{margin-top:16px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--deep);color:var(--ink-invert);overflow:hidden;padding:72px 0 96px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;opacity:.42;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:160px;
  background:linear-gradient(to bottom,rgba(13,10,30,0),var(--deep));
}
.hero .container{position:relative;z-index:2}
.hero-orbit{position:absolute;right:0;top:24px;width:62%;max-width:760px;opacity:.5;pointer-events:none;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:56px;align-items:center}
.hero-badge{margin-bottom:20px}
.hero h1{
  font-size:40px;line-height:1.25;font-weight:600;letter-spacing:-.01em;margin-bottom:20px;max-width:620px;
}
.hero-sub{font-size:20px;line-height:1.7;color:rgba(244,242,255,.84);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:rgba(244,242,255,.64)}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(47,211,192,.35);background:var(--deep-2);
}
.hero-float{
  position:absolute;left:-16px;bottom:22px;display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:14px;background:rgba(22,17,47,.94);
  border:1px solid var(--line-dark);box-shadow:0 0 40px rgba(47,211,192,.10);
}
.hero-float strong{font-size:14px;font-weight:600;color:var(--ink-invert)}
.hero-float small{display:block;font-size:12px;color:rgba(244,242,255,.6)}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(31,169,127,.18);flex:0 0 auto}

/* ---------- 信任条 ---------- */
.trust-bar{background:var(--mist);border-bottom:1px solid var(--line)}
.trust-list{display:flex;align-items:center;gap:8px;padding:22px 0;overflow-x:auto;scrollbar-width:none}
.trust-list::-webkit-scrollbar{display:none}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-sub);white-space:nowrap;flex:0 0 auto}
.trust-item svg{color:var(--accent-ink);flex:0 0 auto}
.trust-sep{width:1px;height:20px;background:var(--line);flex:0 0 auto}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-y) 0}
.section-mist{background:var(--mist)}
.section-deep{background:var(--deep);color:var(--ink-invert)}
.section-white{background:#fff}
.section-head{max-width:720px;margin-bottom:48px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--accent-ink);margin-bottom:12px;
}
.section-kicker::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent)}
.section-deep .section-kicker{color:var(--accent)}
h2.section-title{font-size:30px;line-height:1.3;font-weight:600;margin-bottom:16px}
.section-desc{font-size:16px;color:var(--ink-sub);line-height:1.8}
.section-deep .section-desc{color:rgba(244,242,255,.72)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 24px;box-shadow:var(--sh-card);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.step-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--sh-hover)}
.step-num{
  font-family:Inter,system-ui,sans-serif;font-size:34px;font-weight:600;line-height:1;
  color:var(--gold);letter-spacing:.02em;margin-bottom:16px;
}
.step-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--ink-sub);margin-bottom:16px}
.step-note{font-size:13px;color:var(--ink-weak);border-top:1px dashed var(--line);padding-top:12px}
.step-card:not(:last-child)::after{
  content:"";position:absolute;right:-19px;top:52%;width:14px;height:2px;
  background:repeating-linear-gradient(90deg,var(--accent) 0 4px,transparent 4px 8px);
}

/* ---------- 能力与价值 ---------- */
.value-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:stretch}
.value-feature{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
}
.value-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--mist)}
.value-feature-body{padding:26px 24px 28px}
.value-feature h3{font-size:22px;font-weight:600;margin-bottom:12px}
.value-feature p{font-size:15px;color:var(--ink-sub);margin-bottom:6px}
.metrics{display:flex;gap:36px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.metric b{display:block;font-family:Inter,system-ui,sans-serif;font-size:28px;line-height:1.15;color:var(--primary)}
.metric span{font-size:13px;color:var(--ink-weak)}
.value-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.value-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-card);transition:transform .2s,border-color .2s,box-shadow .2s;
}
.value-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--sh-hover)}
.value-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(42,30,92,.08);color:var(--primary);margin-bottom:14px;
}
.value-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--ink-sub);line-height:1.7}

/* ---------- 栏目入口卡 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.cat-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--sh-hover)}
.cat-card h3{font-size:17px;font-weight:600;margin:14px 0 8px}
.cat-card p{font-size:14px;color:var(--ink-sub);margin-bottom:16px;line-height:1.7}
.cat-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.cat-card:hover .cat-link{color:var(--accent-ink)}
.cat-card:hover .cat-link svg{transform:translateX(3px)}
.cat-link svg{transition:transform .2s}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.case-main{
  display:grid;grid-template-columns:1fr 1.1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
}
.case-main img{width:100%;height:100%;min-height:280px;object-fit:cover;background:var(--mist)}
.case-main-body{padding:28px 26px}
.case-quote{font-size:19px;line-height:1.65;font-weight:600;margin:16px 0 20px}
.case-main-body p{font-size:14px;color:var(--ink-sub)}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.case-small{
  display:grid;grid-template-columns:118px 1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s,box-shadow .2s;
}
.case-small:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.case-small img{width:100%;height:100%;object-fit:cover;background:var(--mist)}
.case-small-body{padding:20px}
.case-small h3{font-size:16px;font-weight:600;margin:10px 0 8px}
.case-small p{font-size:13px;color:var(--ink-sub)}
.case-data{display:flex;gap:22px;margin-top:14px}
.case-data b{font-family:Inter,system-ui,sans-serif;font-size:22px;color:var(--primary);display:block;line-height:1.2}
.case-data span{font-size:12px;color:var(--ink-weak)}

/* ---------- 最新信息（CMS 列表区） ---------- */
.cms-news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news-card{
  position:relative;display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-card);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D6D1EC}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;margin:12px 0 8px;padding-right:34px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;
}
.news-card:hover .news-title{color:var(--primary)}
.news-summary{
  font-size:14px;color:var(--ink-sub);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-weak)}
.news-arrow{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--ink-weak);transition:transform .2s,color .2s;
}
.news-card:hover .news-arrow{transform:translateY(-50%) translateX(3px);color:var(--primary)}
.cms-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  text-align:center;
}
.cms-empty p{font-size:15px;color:var(--ink-sub)}
.skeleton{background:linear-gradient(90deg,#EFEDF7 25%,#F7F6FC 50%,#EFEDF7 75%);background-size:200% 100%;animation:sk 1.4s infinite}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.4fr;gap:56px;align-items:start}
.faq-aside p{font-size:15px;color:var(--ink-sub);margin-bottom:24px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 12px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);transition:background .2s;
}
.faq-q:hover{background:rgba(47,211,192,.06)}
.faq-q:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,211,192,.45);border-radius:8px}
.faq-icon{flex:0 0 auto;color:var(--ink-weak);transition:transform .25s ease,color .25s}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent-ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{margin:0;padding:0 12px 18px;font-size:14px;line-height:1.9;color:var(--ink-sub);max-width:640px}

/* ---------- CTA 开通 ---------- */
.cta-band{background:var(--deep);color:var(--ink-invert);padding:80px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:600;margin-bottom:14px}
.cta-band p.cta-lead{font-size:16px;color:rgba(244,242,255,.76);margin-bottom:0}
.cta-form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:13px;color:rgba(244,242,255,.7)}
.field input{
  height:48px;border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;outline:none;width:100%;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input::placeholder{color:rgba(244,242,255,.45)}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,211,192,.35);background:rgba(255,255,255,.12)}
.field input[aria-invalid="true"]{border-color:var(--err)}
.form-msg{grid-column:1/-1;font-size:13px;display:none}
.form-msg.is-show{display:block}
.form-msg.err{color:#FF9A94}
.form-msg.ok{color:#7BE3C6}
.form-foot{grid-column:1/-1;font-size:12px;color:rgba(244,242,255,.55);line-height:1.7}
.form-badges{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(244,242,255,.72);padding:64px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:var(--ink-invert)}
.footer-brand .brand-sub{color:rgba(244,242,255,.55)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,242,255,.62);max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--ink-invert);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{position:relative;font-size:14px;color:rgba(244,242,255,.66);transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--accent);padding-left:10px}
.footer-links a:hover::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:12px;border-radius:2px;background:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(244,242,255,.66);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(244,242,255,.5);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--primary);color:#fff;border:0;display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(23,18,51,.28);opacity:0;pointer-events:none;
  transition:opacity .25s,transform .25s,background .2s;z-index:90;
}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--primary-hover);transform:translateY(-2px)}
.to-top:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,211,192,.45)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  :root{--section-y:72px}
  .hero{padding:56px 0 80px}
  .hero h1{font-size:34px}
  .hero-grid{gap:36px}
  .value-grid{grid-template-columns:1fr}
  .value-side{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr}
  .case-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .faq-layout{grid-template-columns:.9fr 1.3fr;gap:36px}
}
@media (max-width:900px){
  .nav-search{
    position:absolute;left:16px;right:16px;top:12px;max-width:none;min-width:0;
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s;
  }
  .site-header.search-open .nav-search{opacity:1;visibility:visible;pointer-events:auto}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle,.nav-search-btn{display:inline-flex}
  .nav-inner{justify-content:space-between}
  .mobile-drawer.is-open{display:flex}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:64px 0}
}
@media (max-width:768px){
  :root{--section-y:48px;--gutter:20px}
  .hero{padding:44px 0 64px}
  .hero h1{font-size:28px;line-height:1.32}
  .hero-sub{font-size:17px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-float{left:12px;bottom:12px}
  h2.section-title{font-size:22px;line-height:1.35}
  .steps{grid-template-columns:1fr;gap:20px}
  .step-card:not(:last-child)::after{display:none}
  .steps{position:relative}
  .value-side{grid-template-columns:1fr}
  .case-main{grid-template-columns:1fr}
  .case-main img{min-height:200px;aspect-ratio:16/9}
  .case-side{grid-template-columns:1fr}
  .cms-news-list{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .cat-grid{grid-template-columns:1fr}
  .cta-form{grid-template-columns:1fr}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .trust-list{gap:16px}
  .news-arrow{display:none}
  .news-title{padding-right:0}
}
@media (max-width:480px){
  .hero h1{font-size:24px}
  .hero-sub{font-size:16px}
  .btn{height:44px;padding:0 20px;font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .case-small{grid-template-columns:1fr}
  .case-small img{aspect-ratio:16/9;height:auto}
  .to-top{right:16px;bottom:16px}
}

/* 星空网点登录页专用 */
*{margin:0;padding:0}
a{text-decoration:none;color:inherit}
.lgn-hero{display:grid;grid-template-columns:460px 1fr;gap:56px;align-items:center;min-height:76vh;position:relative;z-index:2;padding:60px 0}
.lgn-panel{background:rgba(22,17,47,0.72);border:1px solid rgba(47,211,192,0.22);border-radius:20px;padding:36px 34px;backdrop-filter:blur(10px);box-shadow:0 24px 60px rgba(0,0,0,.45)}
.lgn-panel h2{font-size:20px;font-weight:600;color:#F4F2FF;margin-bottom:6px}
.lgn-panel p.lgn-panel-sub{font-size:13px;color:rgba(244,242,255,.55);margin-bottom:24px}
.lgn-tabs{display:flex;gap:6px;padding:5px;background:rgba(255,255,255,.06);border-radius:999px;margin-bottom:22px}
.lgn-tab{flex:1;height:38px;border:0;border-radius:999px;background:transparent;color:rgba(244,242,255,.7);font-size:14px;transition:.2s}
.lgn-tab.is-on{background:#2FD3C0;color:#06231F;font-weight:600}
.lgn-field{margin-bottom:16px}
.lgn-field label{display:block;font-size:13px;color:rgba(244,242,255,.72);margin-bottom:7px}
.lgn-input{position:relative;display:flex;align-items:center}
.lgn-input svg{position:absolute;left:14px;color:rgba(244,242,255,.45)}
.lgn-input input{width:100%;height:48px;padding:0 14px 0 42px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);color:#fff;font-size:15px;outline:none;transition:.2s}
.lgn-input input::placeholder{color:rgba(244,242,255,.38)}
.lgn-input input:focus{border-color:#2FD3C0;box-shadow:0 0 0 3px rgba(47,211,192,.32);background:rgba(255,255,255,.1)}
.lgn-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(244,242,255,.62);margin:4px 0 20px}
.lgn-row .lgn-check{display:flex;align-items:center;gap:8px}
.lgn-row .lgn-check input{width:15px;height:15px;accent-color:#2FD3C0}
.lgn-row a{color:#2FD3C0}
.lgn-submit{width:100%;height:50px;border:0;border-radius:999px;background:#2FD3C0;color:#06231F;font-size:16px;font-weight:600;letter-spacing:.02em;transition:.2s}
.lgn-submit:hover{background:#23BEAC;transform:translateY(-1px)}
.lgn-note{margin-top:14px;font-size:12px;color:rgba(244,242,255,.45);text-align:center}
.lgn-tip{display:none;margin-top:12px;padding:10px 14px;border-radius:10px;font-size:13px;line-height:1.6}
.lgn-tip.err{display:block;background:rgba(217,83,79,.16);color:#FF9A94;border-left:3px solid #D9534F}
.lgn-tip.ok{display:block;background:rgba(31,169,127,.16);color:#7BE3C6;border-left:3px solid #1FA97F}
.lgn-copy h1{font-size:38px;line-height:1.28;font-weight:600;color:#F4F2FF;margin-bottom:18px}
.lgn-copy p.lgn-lead{font-size:17px;line-height:1.8;color:rgba(244,242,255,.78);margin-bottom:26px;max-width:560px}
.lgn-points{display:grid;gap:14px;max-width:520px}
.lgn-point{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(244,242,255,.82);line-height:1.7}
.lgn-point span.ic{flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:rgba(47,211,192,.16);color:#2FD3C0;margin-top:3px}
@media(max-width:980px){.lgn-hero{grid-template-columns:1fr;gap:36px;padding:40px 0}.lgn-copy h1{font-size:30px}}
@media(max-width:520px){.lgn-panel{padding:26px 20px}.lgn-copy h1{font-size:25px}.lgn-lead{font-size:15px}}

/* roulang page: article */
:root{
  --brand:#2A1E5C;
  --brand-hover:#3A2A7A;
  --brand-active:#1F1647;
  --cyan:#2FD3C0;
  --cyan-deep:#159A8C;
  --gold:#F4C97A;
  --ink-900:#0D0A1E;
  --ink-800:#16112F;
  --bg-soft:#F6F5FB;
  --card:#FFFFFF;
  --text:#171233;
  --text-sub:#5B5678;
  --text-mute:#8A85A3;
  --line:#E4E1F0;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1FA97F;
  --warn:#E0803A;
  --err:#D9534F;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(23,18,51,.06);
  --sh-hover:0 12px 32px rgba(23,18,51,.12);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",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:1.8;
  color:var(--text);
  background:var(--bg-soft);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan-deep);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(47,211,192,.45);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* 顶部阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;
  background:linear-gradient(90deg,var(--brand),var(--cyan));transition:width .12s linear;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:height .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(23,18,51,.06);}
.header-inner{display:flex;align-items:center;gap:20px;height:84px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--ink-900),var(--brand));flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:600;color:var(--text);}
.brand-sub{font-size:11px;color:var(--cyan-deep);letter-spacing:.06em;}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:200px;display:flex;align-items:center;gap:8px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,192,.25);background:#fff;}
.nav-search svg{flex:0 0 auto;stroke:var(--text-mute);transition:stroke .2s ease;}
.nav-search:focus-within svg{stroke:var(--cyan-deep);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;height:36px;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-mute);}
.nav-search button{
  flex:0 0 auto;border:0;background:var(--brand);color:#fff;font-size:14px;
  height:36px;padding:0 20px;border-radius:var(--r-pill);transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--brand-hover);}
.nav-search button:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--text-sub);padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:15px;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(42,30,92,.24);}
.nav-cta:active{transform:translateY(0);background:var(--brand-active);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);padding:16px 0 24px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a.m-drawer-link{
  display:block;padding:14px 0;font-size:17px;color:var(--text);border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-drawer-link.is-active{color:var(--brand);font-weight:600;}
.mobile-search{display:flex;gap:8px;margin:16px 0 8px;}
.mobile-search input{
  flex:1 1 auto;height:46px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg-soft);padding:0 18px;outline:none;
}
.mobile-search input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,192,.25);background:#fff;}
.mobile-search button{
  height:46px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;
}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:16px;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(42,30,92,.22);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(42,30,92,.06);color:var(--brand);}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-outline-light:hover{background:#fff;color:var(--brand);border-color:#fff;}
.btn-sm{height:44px;padding:0 22px;font-size:15px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.5;background:rgba(42,30,92,.08);color:var(--brand);
}
.badge-cyan{background:rgba(47,211,192,.16);color:#0F7268;}
.badge-gold{background:rgba(244,201,122,.22);color:#8A6216;}

/* 文章页头 */
.article-hero{
  position:relative;overflow:hidden;color:#F4F2FF;
  background:var(--ink-900);
  padding:52px 0 56px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;opacity:.38;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,10,30,.96) 0%,rgba(13,10,30,.82) 45%,rgba(13,10,30,.55) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(244,242,255,.7);margin-bottom:20px;}
.breadcrumb a{color:rgba(244,242,255,.82);}
.breadcrumb a:hover{color:var(--cyan);}
.crumb-sep{color:rgba(244,242,255,.4);}
.crumb-current{color:rgba(244,242,255,.6);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:40px;line-height:1.25;font-weight:600;letter-spacing:.01em;max-width:900px;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:rgba(244,242,255,.72);}
.meta-divider{width:1px;height:14px;background:rgba(255,255,255,.22);display:inline-block;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  font-size:12px;padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:rgba(244,242,255,.85);
}

/* 正文布局 */
.article-main{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--sh-card);
}
.cms-content{max-width:760px;font-size:16px;line-height:1.9;color:var(--text);}
.cms-content p{margin:0 0 20px;}
.cms-content h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:600;color:var(--text);
  margin:40px 0 16px;padding-left:14px;
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;
  background:var(--brand);
}
.cms-content h3{font-size:19px;line-height:1.45;font-weight:600;margin:32px 0 12px;}
.cms-content h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.cms-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.cms-content a:hover{color:var(--cyan-deep);}
.cms-content ul,.cms-content ol{margin:0 0 20px;padding-left:2px;}
.cms-content ul li,.cms-content ol li{position:relative;padding-left:20px;margin-bottom:12px;}
.cms-content ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--cyan);
}
.cms-content ol{counter-reset:li;}
.cms-content ol li{counter-increment:li;padding-left:26px;}
.cms-content ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;
  background:rgba(42,30,92,.08);color:var(--brand);font-size:12px;font-family:var(--font-num);
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.cms-content blockquote{
  margin:24px 0;padding:16px 20px 16px 22px;background:var(--bg-soft);
  border-left:3px solid var(--cyan);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-sub);
}
.cms-content blockquote p:last-child{margin-bottom:0;}
.cms-content img{border-radius:12px;margin:24px 0;height:auto;}
.cms-content figure{margin:24px 0;}
.cms-content figcaption{text-align:center;font-size:13px;color:var(--text-mute);margin-top:8px;}
.cms-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.cms-content th{background:var(--bg-soft);text-align:left;font-weight:600;padding:12px 14px;border-bottom:1px solid var(--line);}
.cms-content td{padding:12px 14px;border-bottom:1px solid var(--line);}
.cms-content tbody tr:nth-child(even){background:#FAF9FE;}
.cms-content code{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;font-family:var(--font-num);
}
.cms-content hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.notice-box{
  display:flex;gap:12px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(47,211,192,.08);border:1px solid rgba(47,211,192,.28);
  font-size:14px;color:var(--text-sub);margin-bottom:28px;
}
.notice-box svg{flex:0 0 auto;margin-top:3px;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--bg-soft);
  border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-card);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-sub);font-size:14px;margin-bottom:22px;}

/* 侧栏 */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-card);
}
.side-card h2,.side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;}
.side-list li + li{margin-top:12px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-sub);padding:8px 0;
}
.side-list a:hover{color:var(--brand);}
.side-list a svg{flex:0 0 auto;stroke:var(--text-mute);transition:transform .2s ease,stroke .2s ease;}
.side-list a:hover svg{transform:translateX(3px);stroke:var(--brand);}
.side-card-dark{
  background:linear-gradient(150deg,var(--ink-900),var(--brand));
  border:1px solid var(--line-dark);color:#F4F2FF;box-shadow:none;
}
.side-card-dark h3{color:#fff;}
.side-card-dark p{font-size:14px;color:rgba(244,242,255,.76);margin-bottom:16px;line-height:1.8;}
.side-actions{display:flex;flex-direction:column;gap:10px;}
.side-actions .btn{width:100%;height:44px;font-size:15px;}

/* 相关推荐 */
.related{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:600;}
.section-head p{font-size:14px;color:var(--text-sub);margin-top:6px;}
.section-head .link-more{font-size:14px;color:var(--brand);}
.section-head .link-more:hover{color:var(--cyan-deep);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.related-card{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(47,211,192,.5);}
.related-card img{
  width:80px;height:60px;object-fit:cover;border-radius:10px;background:var(--bg-soft);flex:0 0 auto;
}
.related-card h3{font-size:16px;line-height:1.5;font-weight:600;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card:hover h3{color:var(--brand);}
.related-card .related-time{font-size:13px;color:var(--text-mute);font-family:var(--font-num);}
.back-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:28px;}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#F4F2FF;padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,10,30,.94),rgba(22,17,47,.78));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:600;color:#fff;margin-bottom:12px;}
.cta-inner p{font-size:15px;color:rgba(244,242,255,.78);line-height:1.85;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-form label{font-size:13px;color:rgba(244,242,255,.72);}
.cta-field{display:flex;gap:10px;}
.cta-field input{
  flex:1 1 auto;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-field input::placeholder{color:rgba(244,242,255,.5);}
.cta-field input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,192,.28);}
.cta-field button{
  height:48px;padding:0 26px;border:0;border-radius:12px;background:var(--brand);color:#fff;
  transition:background .2s ease,transform .2s ease;
}
.cta-field button:hover{background:var(--brand-hover);transform:translateY(-1px);}
.privacy-note{font-size:12px;color:rgba(244,242,255,.58);}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px;}
.cta-badges span{
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:rgba(244,242,255,.8);
}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#F4F2FF;padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:600;}
.footer-brand .brand-sub{color:var(--cyan);font-size:11px;letter-spacing:.06em;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,242,255,.68);max-width:360px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  position:relative;font-size:14px;color:rgba(244,242,255,.68);padding-left:0;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--cyan);transition:height .2s ease;
}
.footer-links a:hover{color:var(--cyan);padding-left:10px;}
.footer-links a:hover::before{height:14px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(244,242,255,.68);line-height:1.7;}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--cyan);}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh-hover);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transform:translateY(8px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--bg-soft);}

/* 响应式 */
@media (max-width:1180px){
  .nav-links{gap:16px;}
  .nav-search{max-width:380px;}
}
@media (max-width:1024px){
  .header-inner{height:76px;}
  .nav-search{max-width:300px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-hero h1{font-size:34px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:768px){
  .nav-search{display:none;}
  .brand-sub{display:none;}
  .article-hero{padding:40px 0 44px;}
  .article-hero h1{font-size:28px;line-height:1.32;}
  .article-main{padding:40px 0 56px;}
  .article-body{padding:24px;border-radius:var(--r-md);}
  .cms-content{font-size:16px;}
  .cms-content h2{font-size:21px;}
  .cms-content h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:56px 0;}
  .cta-inner h2{font-size:24px;}
  .cms-content table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .article-body{padding:20px;}
  .article-hero h1{font-size:24px;}
  .btn{height:46px;padding:0 22px;font-size:15px;width:100%;}
  .nav-cta{display:none;}
  .cf-field,.cta-field{flex-direction:column;}
  .cta-field button{width:100%;}
  .related-card{flex-direction:column;}
  .related-card img{width:100%;height:140px;}
  .footer-grid{grid-template-columns:1fr;}
  .back-row .btn{width:100%;}
}
@media (max-width:360px){
  .article-hero h1{font-size:22px;}
  .brand-name{font-size:15px;}
}

/* roulang page: category1 */
:root{
  --brand:#2A1E5C;
  --brand-hover:#3A2A7A;
  --brand-active:#1F1647;
  --aurora:#2FD3C0;
  --aurora-deep:#159A8C;
  --aurora-soft:#E9FBF8;
  --gold:#F4C97A;
  --ink-900:#0D0A1E;
  --ink-800:#16112F;
  --nebula:#F6F5FB;
  --white:#FFFFFF;
  --text:#171233;
  --text-2:#5B5678;
  --text-3:#8A85A3;
  --on-dark:#F4F2FF;
  --border:#E4E1F0;
  --border-dark:rgba(255,255,255,0.10);
  --success:#1FA97F;
  --warning:#E0803A;
  --error:#D9534F;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(23,18,51,0.06);
  --sh-hover:0 12px 32px rgba(23,18,51,0.12);
  --sh-dark:0 0 40px rgba(47,211,192,0.10);
  --container:1200px;
  --header-h:84px;
}
*,*::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,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--aurora-deep);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,211,192,0.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-nebula{background:var(--nebula);}
.section-dark{background:var(--ink-900);color:var(--on-dark);}
.section-dark a{color:var(--on-dark);}
.section-dark a:hover{color:var(--aurora);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:1.5;letter-spacing:.08em;
  color:var(--aurora-deep);background:var(--aurora-soft);
  border:1px solid rgba(21,154,140,0.22);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.section-title{font-size:30px;line-height:1.3;font-weight:600;letter-spacing:-.01em;}
.section-sub{margin-top:12px;color:var(--text-2);font-size:16px;max-width:640px;}
.section-head{margin-bottom:40px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:500;line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(42,30,92,0.22);}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(42,30,92,0.28);}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:rgba(42,30,92,0.06);color:var(--brand-hover);}
.btn-ghost-dark{border:1.5px solid rgba(244,242,255,0.55);color:var(--on-dark);background:transparent;}
.btn-ghost-dark:hover{background:var(--on-dark);color:var(--brand);border-color:var(--on-dark);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.text-link{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.text-link:hover{color:var(--aurora-deep);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;line-height:1.5;
  background:rgba(42,30,92,0.08);color:var(--brand);font-weight:500;
}
.badge-aurora{background:var(--aurora-soft);color:var(--aurora-deep);border:1px solid rgba(21,154,140,0.2);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--white);border:1px solid var(--border);
  font-size:14px;color:var(--text-2);transition:all .2s ease;
}
.tag:hover{background:rgba(42,30,92,0.07);color:var(--brand);border-color:rgba(42,30,92,0.22);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom:1px solid var(--border);box-shadow:0 4px 18px rgba(23,18,51,0.05);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:var(--header-h);transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#2A1E5C,#0D0A1E);
  box-shadow:0 0 20px rgba(47,211,192,0.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:600;color:var(--text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:520px;
  height:46px;border-radius:var(--r-pill);
  background:var(--nebula);border:1px solid var(--border);
  padding:0 4px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{
  background:var(--white);border-color:var(--aurora);
  box-shadow:0 0 0 3px rgba(47,211,192,0.22);
}
.nav-search svg{flex-shrink:0;color:var(--text-3);transition:color .2s ease;}
.nav-search:focus-within svg{color:var(--aurora-deep);}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  padding:0 12px;font-size:15px;color:var(--text);outline:none;
}
.nav-search input::placeholder{color:var(--text-3);font-size:14px;}
.nav-search button{
  height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:500;
  transition:background-color .2s ease;
}
.nav-search button:hover{background:var(--brand-hover);}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--aurora);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{flex-shrink:0;height:44px;padding:0 22px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--text);
  border:1px solid var(--border);background:var(--white);
}
.nav-search-toggle{display:none;}
.mobile-panel{
  display:none;border-top:1px solid var(--border);background:var(--white);
  padding:16px 0 24px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .mobile-search{display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.mobile-panel .mobile-search input{
  flex:1;height:46px;border-radius:var(--r-pill);border:1px solid var(--border);
  background:var(--nebula);padding:0 18px;font-size:15px;outline:none;
}
.mobile-panel .mobile-search input:focus{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,0.22);}
.mobile-nav{display:flex;flex-direction:column;}
.mobile-nav a{
  font-size:17px;padding:14px 0;color:var(--text);border-bottom:1px solid var(--border);
}
.mobile-nav a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .btn{margin-top:20px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:rgba(244,242,255,0.62);padding:20px 0 0;
}
.crumb a{color:rgba(244,242,255,0.62);}
.crumb a:hover{color:var(--aurora);}
.crumb .sep{opacity:.5;}
.crumb .current{color:rgba(244,242,255,0.92);}

/* ---------- 深底页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:var(--on-dark);
  background:var(--ink-900);
  padding-bottom:72px;
  margin-top:calc(-1 * var(--header-h));
  padding-top:var(--header-h);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.38;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,10,30,0.86) 0%,rgba(13,10,30,0.72) 45%,rgba(13,10,30,0.96) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero-inner{max-width:820px;padding-top:40px;}
.page-hero h1{
  font-size:40px;line-height:1.25;font-weight:600;letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-hero h1 .hl{
  color:var(--aurora);
}
.page-hero .lead{
  font-size:18px;line-height:1.85;color:rgba(244,242,255,0.82);max-width:660px;
}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-facts span{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;color:rgba(244,242,255,0.86);
  border:1px solid rgba(244,242,255,0.18);background:rgba(255,255,255,0.05);
}
.hero-facts span i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}
.hero-search{
  display:flex;align-items:center;gap:8px;margin-top:32px;
  max-width:600px;height:54px;border-radius:var(--r-pill);
  background:rgba(255,255,255,0.08);border:1px solid rgba(244,242,255,0.22);
  padding:0 6px 0 20px;transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-search:focus-within{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,0.28);}
.hero-search svg{color:rgba(244,242,255,0.7);flex-shrink:0;}
.hero-search input{
  flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;
  color:var(--on-dark);font-size:15px;
}
.hero-search input::placeholder{color:rgba(244,242,255,0.5);}
.hero-search button{
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:15px;transition:background-color .2s ease;
}
.hero-search button:hover{background:var(--brand-hover);}

/* ---------- 主体布局 ---------- */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start;}
.toc{
  position:sticky;top:108px;
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh-card);
}
.toc-title{
  font-size:14px;font-weight:600;color:var(--text);
  padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:10px;
}
.toc-list{display:flex;flex-direction:column;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);
  padding:9px 10px;border-radius:8px;border-left:3px solid transparent;
  transition:all .2s ease;
}
.toc-list a:hover{background:var(--nebula);color:var(--brand);}
.toc-list a.is-current{
  color:var(--brand);font-weight:600;background:rgba(42,30,92,0.05);
  border-left-color:var(--brand);
}
.toc-fold{display:none;}

/* ---------- 步骤时间线 ---------- */
.steps-head{margin-bottom:32px;}
.steps-head h2{font-size:26px;line-height:1.35;font-weight:600;}
.steps-head p{margin-top:10px;color:var(--text-2);font-size:15px;}
.step{
  position:relative;padding-left:66px;padding-bottom:36px;
}
.step::before{
  content:"";position:absolute;left:19px;top:42px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(42,30,92,0.22),rgba(42,30,92,0.04));
}
.step:last-child::before{display:none;}
.step-index{
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  font-family:Inter,Arial,sans-serif;font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(42,30,92,0.24);
}
.step-index::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1px solid rgba(47,211,192,0.35);
}
.step h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px;}
.step p{color:var(--text-2);font-size:16px;line-height:1.85;}
.step p + p{margin-top:10px;}
.step-list{margin-top:12px;display:flex;flex-direction:column;gap:10px;}
.step-list li{position:relative;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.8;}
.step-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--aurora);
}
.step-figure{
  margin-top:18px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--border);background:var(--nebula);
}
.step-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.step-figure figcaption{
  font-size:13px;color:var(--text-3);padding:10px 14px;background:var(--white);
  border-top:1px solid var(--border);
}
.tip{
  position:relative;margin:0 0 36px 66px;
  background:var(--aurora-soft);border-left:4px solid var(--aurora);
  border-radius:0 12px 12px 0;padding:16px 20px;
}
.tip strong{display:block;font-size:15px;color:var(--brand);margin-bottom:4px;}
.tip p{font-size:14px;line-height:1.8;color:var(--text-2);}

/* ---------- 入口对照卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(47,211,192,0.5);}
.entry-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--nebula);}
.entry-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:18px;font-weight:600;line-height:1.4;}
.entry-body p{font-size:14px;color:var(--text-2);line-height:1.8;}
.entry-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:360px minmax(0,1fr);gap:56px;align-items:start;}
.faq-aside h2{font-size:30px;line-height:1.3;font-weight:600;margin-bottom:14px;}
.faq-aside p{color:var(--text-2);font-size:15px;margin-bottom:22px;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 12px;font-size:17px;font-weight:600;color:var(--text);
  transition:background-color .2s ease;
}
.faq-q:hover{background:rgba(47,211,192,0.06);}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:var(--nebula);
  color:var(--brand);font-size:16px;line-height:1;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{
  padding:0 12px 20px;color:var(--text-2);font-size:15px;line-height:1.9;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--on-dark);
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.28;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(13,10,30,0.94),rgba(22,17,47,0.88));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:600;margin-bottom:14px;}
.cta-inner .cta-desc{color:rgba(244,242,255,0.78);font-size:16px;line-height:1.85;max-width:460px;}
.cta-form{
  background:rgba(255,255,255,0.06);border:1px solid var(--border-dark);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-dark);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(244,242,255,0.78);margin-bottom:8px;}
.field input{
  width:100%;height:48px;border-radius:12px;padding:0 16px;
  background:rgba(255,255,255,0.08);border:1px solid rgba(244,242,255,0.2);
  color:var(--on-dark);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(244,242,255,0.45);}
.field input:focus{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,0.28);}
.form-note{font-size:12px;line-height:1.7;color:rgba(244,242,255,0.6);margin-top:14px;}
.form-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.form-badges span{
  font-size:12px;color:rgba(244,242,255,0.8);border:1px solid rgba(244,242,255,0.2);
  border-radius:var(--r-pill);padding:4px 12px;
}
.alert{display:none;font-size:13px;line-height:1.7;border-radius:10px;padding:10px 14px;margin-bottom:14px;}
.alert.is-visible{display:block;}
.alert-error{background:rgba(217,83,79,0.16);border:1px solid rgba(217,83,79,0.5);color:#FFD9D7;}
.alert-success{background:rgba(31,169,127,0.16);border:1px solid rgba(31,169,127,0.5);color:#C8F3E4;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(42,30,92,0.3);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .25s ease;z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-hover);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(244,242,255,0.72);padding:72px 0 28px;}
.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;}
.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(140deg,#2A1E5C,#0D0A1E);}
.footer-brand .brand-name{font-size:16px;font-weight:600;color:var(--on-dark);}
.footer-brand .brand-sub{font-size:11px;color:rgba(244,242,255,0.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,242,255,0.62);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:var(--on-dark);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  position:relative;font-size:14px;color:rgba(244,242,255,0.66);
  padding-left:0;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--aurora);padding-left:10px;}
.footer-links a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:2px;background:var(--aurora);
}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(244,242,255,0.66);}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;}
.footer-contact svg{flex-shrink:0;margin-top:4px;color:var(--aurora);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--border-dark);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(244,242,255,0.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(244,242,255,0.5);}
.footer-bottom a:hover{color:var(--aurora);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:1024px){
  .nav-search{max-width:360px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout{grid-template-columns:200px minmax(0,1fr);gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:72px 0;}
  .page-hero{padding-bottom:56px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16px;}
  .hero-search{height:50px;}
  .nav-search{display:none;}
  .nav-search-toggle{
    display:inline-flex;width:44px;height:44px;border-radius:12px;
    align-items:center;justify-content:center;border:1px solid var(--border);
    background:var(--white);color:var(--text);margin-left:auto;
  }
  .nav-toggle{margin-left:8px;}
  .layout{grid-template-columns:1fr;gap:28px;}
  .toc{display:none;}
  .toc-fold{
    display:block;background:var(--white);border:1px solid var(--border);
    border-radius:var(--r-md);box-shadow:var(--sh-card);margin-bottom:28px;
  }
  .toc-fold summary{
    list-style:none;cursor:pointer;padding:16px 18px;font-size:15px;font-weight:600;
    display:flex;align-items:center;justify-content:space-between;
  }
  .toc-fold summary::-webkit-details-marker{display:none;}
  .toc-fold .toc-list{padding:0 10px 14px;}
  .step{padding-left:52px;padding-bottom:30px;}
  .step::before{left:15px;top:36px;}
  .step-index{width:32px;height:32px;font-size:13px;}
  .step h3{font-size:18px;}
  .tip{margin-left:52px;}
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:64px 0;}
  .cta-inner h2{font-size:24px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;line-height:1.35;}
  .page-hero .lead{font-size:15px;}
  .hero-search{flex-wrap:nowrap;height:48px;padding-left:16px;}
  .hero-search button{padding:0 16px;font-size:14px;}
  .section-title{font-size:22px;}
  .btn{height:44px;padding:0 20px;font-size:15px;}
  .cta-form{padding:20px;}
  .step{padding-left:46px;}
  .tip{margin-left:46px;padding:14px 16px;}
  .faq-q{font-size:16px;padding:18px 8px;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category3 */
:root{
  --deep:#0D0A1E;--deep-2:#16112F;--indigo:#2A1E5C;--indigo-hover:#3A2A7A;--indigo-active:#1F1647;
  --cyan:#2FD3C0;--cyan-deep:#159A8C;--gold:#F4C97A;--mist:#F6F5FB;--white:#ffffff;
  --ink:#171233;--ink-2:#5B5678;--ink-3:#8A85A3;--line:#E4E1F0;--line-dark:rgba(255,255,255,.10);
  --ok:#1FA97F;--warn:#E0803A;--err:#D9534F;
  --r-sm:8px;--r-md:16px;--r-lg:20px;--r-pill:999px;
  --sh-card:0 6px 20px rgba(23,18,51,.06);--sh-card-h:0 12px 32px rgba(23,18,51,.12);
  --c:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--indigo);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cyan-deep)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);letter-spacing:.2px}
h1{font-size:40px;line-height:1.25}
h2{font-size:30px;line-height:1.3}
h3{font-size:20px;line-height:1.4}
.container{max-width:var(--c);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-mist{background:var(--mist)}
.section-dark{background:var(--deep);color:#F4F2FF}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{color:var(--ink-2);font-size:16px;margin:12px 0 0}
.section-dark .section-head p{color:rgba(244,242,255,.75)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--cyan-deep);background:rgba(47,211,192,.12);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:16px;font-weight:600}
.section-dark .eyebrow{color:var(--cyan);background:rgba(47,211,192,.14)}
.kicker{width:4px;height:20px;background:var(--cyan);border-radius:2px;display:inline-block}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:16px;font-weight:600;border:1.5px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;white-space:nowrap}
.btn:focus-visible{outline:3px solid rgba(47,211,192,.45);outline-offset:2px}
.btn-primary{background:var(--indigo);color:#fff}
.btn-primary:hover{background:var(--indigo-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:var(--indigo-active);transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--indigo);color:var(--indigo)}
.btn-outline:hover{background:rgba(42,30,92,.06);color:var(--indigo)}
.btn-light-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#F4F2FF}
.btn-light-outline:hover{background:#fff;color:var(--indigo);border-color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--indigo)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--deep);border-bottom:1px solid var(--line-dark);transition:height .2s ease,background .2s ease,box-shadow .2s ease}
.site-header.is-scrolled{background:rgba(13,10,30,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(0,0,0,.28)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:84px;transition:height .2s ease}
.site-header.is-scrolled .nav-wrap{height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo:hover .brand-name{color:var(--cyan)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:rgba(47,211,192,.12);border:1px solid rgba(47,211,192,.35);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:600;color:#fff;transition:color .2s ease}
.brand-sub{font-size:12px;color:rgba(244,242,255,.6)}
.nav-search{flex:1 1 auto;max-width:520px;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);padding:5px 5px 5px 16px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,192,.25)}
.nav-search svg{flex:0 0 auto;color:rgba(244,242,255,.65)}
.nav-search:focus-within svg{color:var(--cyan)}
.nav-search input{flex:1 1 auto;min-width:0;background:none;border:none;outline:none;color:#F4F2FF;font-size:14px;height:34px}
.nav-search input::placeholder{color:rgba(244,242,255,.55)}
.nav-search button{flex:0 0 auto;height:34px;padding:0 18px;border-radius:var(--r-pill);background:var(--indigo);color:#fff;font-size:14px;font-weight:600;transition:background .2s ease}
.nav-search button:hover{background:var(--indigo-hover)}
.nav-links{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.nav-links a{position:relative;font-size:14px;color:rgba(244,242,255,.78);padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--cyan);transition:right .22s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{right:0}
.nav-links a.is-active{color:var(--cyan);font-weight:600}
.nav-links a.is-active::after{right:0}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);align-items:center;justify-content:center;color:#fff}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.mobile-drawer{display:none;background:var(--deep-2);border-top:1px solid var(--line-dark);padding:16px 0 24px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .m-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);padding:5px 5px 5px 16px;margin-bottom:16px}
.mobile-drawer .m-search input{flex:1;background:none;border:none;outline:none;color:#F4F2FF;height:36px;min-width:0}
.mobile-drawer .m-search input::placeholder{color:rgba(244,242,255,.55)}
.mobile-drawer .m-search button{height:36px;padding:0 18px;border-radius:var(--r-pill);background:var(--indigo);color:#fff;font-size:14px;font-weight:600}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{padding:14px 0;font-size:16px;color:rgba(244,242,255,.85);border-bottom:1px solid var(--line-dark)}
.mobile-links a.is-active{color:var(--cyan);font-weight:600}
.mobile-drawer .btn{margin-top:18px}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(244,242,255,.6);margin-bottom:20px}
.breadcrumb a{color:rgba(244,242,255,.75)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span.sep{color:rgba(244,242,255,.35)}
.breadcrumb span.current{color:rgba(244,242,255,.5)}

/* ============ 页头 ============ */
.page-hero{position:relative;background:var(--deep);color:#F4F2FF;overflow:hidden;padding:88px 0 96px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center right;opacity:.42}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(180deg,rgba(13,10,30,0) 0%,rgba(13,10,30,.92) 100%)}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.page-hero h1{color:#fff;font-size:40px;line-height:1.28;margin-bottom:18px}
.page-hero .lead{font-size:20px;line-height:1.7;color:rgba(244,242,255,.85);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-note{font-size:13px;color:rgba(244,242,255,.6)}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:32px;padding-top:26px;border-top:1px solid var(--line-dark)}
.hero-stats .num{font-family:var(--font-num);font-size:30px;font-weight:600;color:var(--cyan);line-height:1.1}
.hero-stats .lbl{font-size:13px;color:rgba(244,242,255,.66);margin-top:6px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(47,211,192,.35);background:var(--deep-2)}
.hero-float{position:absolute;left:-18px;bottom:22px;background:rgba(22,17,47,.92);border:1px solid var(--line-dark);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 0 40px rgba(47,211,192,.10)}
.dot-online{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(31,169,127,.18)}
.hero-float .t1{font-size:13px;color:#fff;font-weight:600}
.hero-float .t2{font-size:12px;color:rgba(244,242,255,.6)}

/* ============ 信任条 ============ */
.trust-strip{background:var(--white);border-bottom:1px solid var(--line)}
.trust-inner{display:flex;align-items:stretch;overflow-x:auto;scrollbar-width:none}
.trust-inner::-webkit-scrollbar{display:none}
.trust-item{flex:1 0 auto;min-width:180px;display:flex;align-items:center;gap:10px;padding:24px 20px;font-size:14px;color:var(--ink-2)}
.trust-item svg{color:var(--cyan-deep);flex:0 0 auto}
.trust-item + .trust-item{border-left:1px solid var(--line)}
.trust-item strong{color:var(--ink);font-weight:600}

/* ============ 对比表 ============ */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-card)}
table.compare{width:100%;min-width:820px;border-collapse:collapse}
.compare thead th{background:var(--deep);color:#F4F2FF;text-align:left;font-size:15px;font-weight:600;padding:20px;white-space:nowrap}
.compare thead th:first-child{border-radius:var(--r-md) 0 0 0}
.compare thead th:last-child{border-radius:0 var(--r-md) 0 0}
.compare thead th.col-rec{background:var(--indigo);position:relative}
.badge-rec{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);background:var(--gold);color:#3A2A0A;font-size:12px;font-weight:600;margin-left:8px;vertical-align:middle}
.compare tbody td{padding:16px 20px;font-size:15px;color:var(--ink-2);border-top:1px solid var(--line);white-space:nowrap}
.compare tbody tr:nth-child(even) td{background:var(--mist)}
.compare tbody td:first-child{color:var(--ink);font-weight:600}
.compare td.col-rec{background:rgba(47,211,192,.07);color:var(--ink);box-shadow:inset 1px 0 0 rgba(47,211,192,.45),inset -1px 0 0 rgba(47,211,192,.45)}
.compare tbody tr:nth-child(even) td.col-rec{background:rgba(47,211,192,.11)}
.table-hint{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-top:16px}
.table-hint svg{color:var(--cyan-deep);flex:0 0 auto}

/* ============ 方案卡 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 24px;box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-h);border-color:var(--cyan)}
.plan-card.is-featured{border:2px solid var(--indigo);box-shadow:var(--sh-card-h)}
.plan-tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:12px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(42,30,92,.08);color:var(--indigo);font-weight:600;margin-bottom:14px}
.plan-card.is-featured .plan-tag{background:rgba(47,211,192,.16);color:var(--cyan-deep)}
.plan-card h3{margin-bottom:6px}
.plan-desc{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:18px}
.price-row{display:flex;align-items:baseline;gap:6px;margin-bottom:4px}
.price{font-family:var(--font-num);font-size:36px;font-weight:600;color:var(--indigo);line-height:1.1}
.price-unit{font-size:14px;color:var(--ink-3)}
.price-sub{font-size:13px;color:var(--ink-3);margin-bottom:20px}
.feature-list{margin:0 0 24px;display:flex;flex-direction:column;gap:12px}
.feature-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.feature-list svg{flex:0 0 auto;margin-top:5px;color:var(--cyan-deep)}
.plan-card .btn{margin-top:auto}

/* ============ 流程 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;position:relative;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;box-shadow:var(--sh-card)}
.step-card:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:var(--sh-card-h)}
.step-no{font-family:var(--font-num);font-size:30px;font-weight:600;color:var(--gold);line-height:1;margin-bottom:14px;letter-spacing:1px}
.step-card h3{font-size:18px;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--ink-2);margin:0}
.step-foot{margin-top:14px;font-size:13px;color:var(--ink-3)}

/* ============ 案例滚动 ============ */
.case-scroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:none}
.case-scroll::-webkit-scrollbar{display:none}
.case-card{flex:0 0 340px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-h)}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--mist)}
.case-body{padding:20px}
.case-tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:rgba(47,211,192,.14);color:var(--cyan-deep);font-size:12px;font-weight:600;margin-bottom:12px}
.case-body h3{font-size:17px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--ink-2);margin:0 0 14px}
.case-meta{display:flex;gap:20px;padding-top:14px;border-top:1px solid var(--line)}
.case-meta .num{font-family:var(--font-num);font-size:22px;font-weight:600;color:var(--indigo);line-height:1.1}
.case-meta .lbl{font-size:12px;color:var(--ink-3)}
.case-dots{display:flex;gap:8px;justify-content:center;margin-top:16px}
.case-dots span{width:8px;height:8px;border-radius:50%;background:var(--line)}
.case-dots span.on{background:var(--indigo);width:20px;border-radius:var(--r-pill)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-aside p{color:var(--ink-2);font-size:15px;margin:12px 0 24px}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease}
.faq-q:hover{background:rgba(47,211,192,.06)}
.faq-q .icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--indigo);transition:transform .25s ease,border-color .25s ease,color .25s ease}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg);border-color:var(--cyan);color:var(--cyan-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a .inner{padding:0 22px 20px;font-size:14px;line-height:1.9;color:var(--ink-2)}
.faq-a a{text-decoration:underline;text-underline-offset:3px}

/* ============ CTA ============ */
.cta-band{background:var(--deep);color:#F4F2FF;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.22}
.cta-band .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-grid h2{color:#fff;margin-bottom:14px}
.cta-grid p{color:rgba(244,242,255,.78);font-size:16px;margin:0}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(244,242,255,.8);background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-pill);padding:7px 14px}
.cta-badge svg{color:var(--cyan)}
.cta-form{background:rgba(22,17,47,.86);border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:28px;box-shadow:0 0 40px rgba(47,211,192,.10)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:rgba(244,242,255,.72);margin-bottom:8px}
.field input,.field select{width:100%;height:48px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#F4F2FF;padding:0 16px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input::placeholder{color:rgba(244,242,255,.45)}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,192,.28)}
.field select option{color:#171233}
.form-note{font-size:12px;color:rgba(244,242,255,.55);margin:14px 0 0;line-height:1.7}
.form-msg{display:none;font-size:13px;margin-top:12px;border-radius:10px;padding:10px 14px}
.form-msg.is-error{display:block;background:rgba(217,83,79,.16);color:#FFB4B1;border:1px solid rgba(217,83,79,.45)}
.form-msg.is-ok{display:block;background:rgba(31,169,127,.16);color:#8FE7C7;border:1px solid rgba(31,169,127,.45)}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(244,242,255,.7);padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-brand .brand-name{font-size:16px;color:#fff}
.footer-brand .brand-sub{font-size:12px;color:rgba(244,242,255,.55)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,242,255,.6);margin:0;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{position:relative;font-size:14px;color:rgba(244,242,255,.68);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-links a:hover::before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:3px;height:14px;background:var(--cyan);border-radius:2px}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(244,242,255,.68);line-height:1.7}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;font-size:13px;color:rgba(244,242,255,.5)}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:rgba(244,242,255,.6)}
.footer-bottom a:hover{color:var(--cyan)}

.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--indigo);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(23,18,51,.28);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,background .2s ease;z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--indigo-hover)}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .page-hero h1{font-size:34px}
  .plan-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr 1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .nav-search{display:none}
  h1{font-size:28px}
  .page-hero h1{font-size:28px;line-height:1.32}
  .page-hero{padding:64px 0 72px}
  .page-hero .lead{font-size:17px}
  h2{font-size:22px;line-height:1.35}
  h3{font-size:18px;line-height:1.45}
  .plan-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:24px}
  .hero-float{left:0;bottom:12px}
  .case-card{flex:0 0 280px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:480px){
  .section{padding:48px 0}
  .btn{height:44px;font-size:15px;padding:0 20px}
  .nav-wrap{height:68px;gap:12px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:11px}
  .cta-form{padding:20px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}
@media (max-width:360px){
  .brand-sub{display:none}
  .hero-stats .num{font-size:24px}
}

/* roulang page: category2 */
:root{
  --ink:#2A1E5C;
  --ink-hover:#3A2A7A;
  --ink-active:#1F1647;
  --aurora:#2FD3C0;
  --aurora-deep:#159A8C;
  --gold:#F4C97A;
  --bg-deep:#0D0A1E;
  --bg-deep-2:#16112F;
  --bg-soft:#F6F5FB;
  --white:#FFFFFF;
  --text:#171233;
  --text-2:#5B5678;
  --text-3:#8A85A3;
  --text-inv:#F4F2FF;
  --line:#E4E1F0;
  --line-inv:rgba(255,255,255,0.10);
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,18,51,0.06);
  --sh-2:0 12px 32px rgba(23,18,51,0.12);
  --ok:#1FA97F;
  --warn:#E0803A;
  --err:#D9534F;
  --container:1200px;
}
*,*::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,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--aurora-deep);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(47,211,192,0.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:600;letter-spacing:.2px;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:640px;}
.section-head .head-link{font-size:15px;color:var(--ink);border-bottom:1px solid rgba(42,30,92,.3);padding-bottom:2px;white-space:nowrap;}
.section-head .head-link:hover{color:var(--aurora-deep);border-color:var(--aurora-deep);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:1.5;font-weight:600;letter-spacing:.08em;
  color:var(--ink);background:rgba(42,30,92,.08);
  padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow--aurora{color:#0C6B60;background:rgba(47,211,192,.16);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid transparent;
  transition:height .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
  backdrop-filter:saturate(180%) blur(8px);
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px rgba(23,18,51,.05);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:84px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-deep);border:1px solid rgba(47,211,192,.35);
  box-shadow:0 0 22px rgba(47,211,192,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.4px;}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.12em;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:52%;min-width:260px;
  display:flex;align-items:center;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  background:var(--white);
  border-color:var(--aurora);
  box-shadow:0 0 0 3px rgba(47,211,192,.28);
}
.nav-search .search-icon{color:var(--text-3);flex:0 0 auto;transition:color .2s ease;}
.nav-search:focus-within .search-icon{color:var(--aurora-deep);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  padding:0 12px;font-size:14px;height:40px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:14px;font-weight:500;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--ink-hover);}
.search-btn:active{background:var(--ink-active);transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--aurora);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-cta{
  flex:0 0 auto;height:44px;padding:0 22px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);
}
.search-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:500;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 6px 18px rgba(42,30,92,.22);}
.btn-primary:hover{background:var(--ink-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{background:var(--ink-active);transform:translateY(0);}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:rgba(42,30,92,.07);color:var(--ink);}
.btn-light{border:1.5px solid rgba(244,242,255,.55);color:var(--text-inv);background:transparent;}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{height:44px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.text-link{color:var(--ink);border-bottom:1px solid rgba(42,30,92,.32);padding-bottom:2px;}
.text-link:hover{color:var(--aurora-deep);border-color:var(--aurora-deep);}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:14px;color:var(--text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"›";color:var(--text-3);}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--text-2);}
.crumb .is-current{color:var(--text-3);}

/* ---------- 页面头部 Hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#F9F8FE 0%,var(--bg-soft) 100%);
  padding:48px 0 80px;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.14;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-top:28px;}
.hero-copy h1{
  font-size:40px;line-height:1.25;font-weight:600;letter-spacing:.2px;margin-top:18px;
}
.hero-copy .lead{
  margin-top:20px;font-size:18px;line-height:1.85;color:var(--text-2);max-width:600px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-3);}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;color:var(--ink);background:rgba(42,30,92,.08);
}
.chip--aurora{color:#0C6B60;background:rgba(47,211,192,.16);}
.chip--gold{color:#8A5A12;background:rgba(244,201,122,.28);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(47,211,192,.45);
  box-shadow:var(--sh-2);
  background:var(--bg-soft);
}
.status-card{
  position:absolute;left:-16px;bottom:-20px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);
}
.status-dot{
  width:10px;height:10px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 4px rgba(31,169,127,.18);
}
.status-card strong{font-size:14px;font-weight:600;display:block;}
.status-card span{font-size:12px;color:var(--text-3);}

/* ---------- 信任条 ---------- */
.trust-bar{background:var(--white);border-bottom:1px solid var(--line);}
.trust-list{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:20px 0;overflow-x:auto;scrollbar-width:none;
}
.trust-list::-webkit-scrollbar{display:none;}
.trust-item{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  padding:0 18px;border-left:1px solid var(--line);
}
.trust-item:first-child{border-left:0;padding-left:0;}
.trust-item svg{color:var(--aurora-deep);flex:0 0 auto;}

/* ---------- 要点卡网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,211,192,.6);}
.icon-box{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(42,30,92,.07);color:var(--ink);margin-bottom:16px;
}
.info-card h3{font-size:20px;line-height:1.4;font-weight:600;}
.info-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);}
.info-card .card-foot{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- 风险提示带 ---------- */
.risk-band{
  background:var(--bg-deep);color:var(--text-inv);
  border-radius:var(--r-lg);
  padding:32px 36px;
  display:flex;align-items:center;gap:28px;justify-content:space-between;
  position:relative;overflow:hidden;
  border-left:6px solid var(--gold);
}
.risk-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:radial-gradient(circle,rgba(47,211,192,.22),transparent 65%);
}
.risk-band h3{font-size:20px;font-weight:600;color:#fff;}
.risk-band p{margin-top:8px;font-size:14px;line-height:1.85;color:rgba(244,242,255,.78);max-width:720px;}
.risk-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ---------- 步骤时间线 ---------- */
.steps-wrap{position:relative;margin-top:8px;}
.step-list{position:relative;padding-left:0;}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;margin-bottom:16px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:rgba(47,211,192,.55);}
.step-num{
  font-family:Inter,Helvetica,Arial,sans-serif;
  font-size:30px;font-weight:600;color:var(--gold);line-height:1;
}
.step-item h3{font-size:18px;font-weight:600;}
.step-item p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--text-2);}
.tip-line{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--bg-soft);border-left:4px solid var(--aurora);
  border-radius:var(--r-sm);
  padding:16px 20px;margin:8px 0 20px;
  font-size:14px;line-height:1.8;color:var(--text-2);
}
.tip-line svg{color:var(--aurora-deep);flex:0 0 auto;margin-top:3px;}

/* ---------- 更新卡片 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,211,192,.55);}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-soft);}
.news-body{padding:20px;}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.news-card:hover .news-body h3{color:var(--ink);}
.news-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:30px;line-height:1.3;font-weight:600;}
.faq-aside p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-aside .btn{margin-top:24px;}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(47,211,192,.06);}
.faq-item summary .plus{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(42,30,92,.07);color:var(--ink);
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(47,211,192,.2);color:#0C6B60;}
.faq-body{padding:0 24px 22px;font-size:14px;line-height:1.9;color:var(--text-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--bg-deep);color:var(--text-inv);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.22;
}
.cta-band .container{position:relative;z-index:1;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:88px 0;}
.cta-grid h2{font-size:30px;line-height:1.3;font-weight:600;color:#fff;}
.cta-grid .cta-desc{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(244,242,255,.78);}
.cta-mini{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.cta-mini .chip{background:rgba(255,255,255,.10);color:var(--text-inv);}
.cta-form{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-inv);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:0 0 40px rgba(47,211,192,.10);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(244,242,255,.72);margin-bottom:8px;}
.field input{
  width:100%;height:48px;border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line-inv);
  color:#fff;padding:0 16px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:rgba(244,242,255,.42);}
.field input:focus{
  border-color:var(--aurora);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(47,211,192,.28);
}
.field-err{display:none;margin-top:8px;font-size:13px;color:#FFB3AE;}
.field.has-error input{border-color:var(--err);}
.field.has-error .field-err{display:block;}
.form-note{margin-top:14px;font-size:12px;line-height:1.7;color:rgba(244,242,255,.55);}
.form-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.form-badges span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:rgba(244,242,255,.78);
  border:1px solid var(--line-inv);border-radius:var(--r-pill);padding:4px 12px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);color:var(--text-inv);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(244,242,255,.55);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(244,242,255,.62);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  position:relative;font-size:14px;color:rgba(244,242,255,.66);padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:2px;background:var(--aurora);opacity:0;
  transition:opacity .2s ease;
}
.footer-links a:hover{color:var(--aurora);padding-left:8px;}
.footer-links a:hover::before{opacity:1;}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:rgba(244,242,255,.66);}
.footer-contact svg{color:var(--aurora);flex:0 0 auto;margin-top:3px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-inv);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,255,.5);
}
.footer-bottom .footer-links-row{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(244,242,255,.5);}
.footer-bottom a:hover{color:var(--aurora);}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
  z-index:50;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--ink-hover);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  display:none;position:fixed;inset:0;z-index:70;
  background:rgba(13,10,30,.45);backdrop-filter:blur(2px);
}
.drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:82%;max-width:340px;
  background:var(--bg-deep);color:var(--text-inv);
  padding:24px 22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .28s ease;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-name{color:#fff;font-size:16px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-inv);color:#fff;display:flex;align-items:center;justify-content:center;}
.drawer-panel a{
  display:block;font-size:17px;color:rgba(244,242,255,.82);
  padding:14px 12px;border-radius:12px;border-bottom:1px solid var(--line-inv);
}
.drawer-panel a.is-active{color:#fff;background:rgba(47,211,192,.14);}
.drawer-panel .btn{margin-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:14px;}
  .nav-search{max-width:44%;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy h1{font-size:34px;}
  .hero-visual .status-card{left:12px;bottom:-18px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .search-toggle{display:flex;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);}
  .header-inner{gap:12px;}
  .header-search-mobile{
    display:none;padding:0 24px 14px;
  }
  .header-search-mobile.is-open{display:block;}
  .header-search-mobile form{
    display:flex;align-items:center;gap:8px;background:var(--bg-soft);
    border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 16px;
  }
  .header-search-mobile input{flex:1;border:0;background:transparent;outline:none;height:42px;font-size:14px;}
  .risk-band{flex-direction:column;align-items:flex-start;gap:20px;padding:26px 24px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .container{padding:0 20px;}
  .header-inner{height:68px;}
  .hero-copy h1{font-size:28px;line-height:1.32;}
  .hero-copy .lead{font-size:16px;}
  .card-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:22px;}
  .faq-aside h2{font-size:22px;}
  .cta-grid h2{font-size:22px;}
  .steps .step-item{grid-template-columns:1fr;gap:10px;}
  .step-num{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .trust-item{font-size:13px;padding:0 14px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .risk-band .btn{width:100%;}
  .cta-form{padding:22px;}
  .news-card img{aspect-ratio:16/9;}
  .page-hero{padding-bottom:56px;}
}
@media (max-width:480px){
  .hero-copy h1{font-size:24px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11px;}
  .status-card{position:static;margin-top:14px;}
  .info-card{padding:22px 20px;}
}

/* roulang page: category4 */
:root{
  --ink:#0D0A1E;
  --ink-2:#16112F;
  --violet:#2A1E5C;
  --violet-hover:#3A2A7A;
  --violet-active:#1F1647;
  --aurora:#2FD3C0;
  --aurora-deep:#159A8C;
  --gold:#F4C97A;
  --mute-bg:#F6F5FB;
  --card:#FFFFFF;
  --text:#171233;
  --text-2:#5B5678;
  --text-3:#8A85A3;
  --on-dark:#F4F2FF;
  --line:#E4E1F0;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1FA97F;
  --warn:#E0803A;
  --err:#D9534F;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,18,51,.06);
  --sh-2:0 12px 32px rgba(23,18,51,.12);
}
*,*::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:1.8;
  color:var(--text);
  background:#fff;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--violet);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--aurora-deep)}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(47,211,192,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--mute{background:var(--mute-bg)}
.section--tight{padding:72px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:500;border:1.5px solid transparent;
  cursor:pointer;transition:all .2s ease;text-decoration:none;white-space:nowrap;
}
.btn-primary{background:var(--violet);color:#fff}
.btn-primary:hover{background:var(--violet-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:var(--violet-active);transform:none}
.btn-ghost{border-color:var(--violet);color:var(--violet);background:transparent}
.btn-ghost:hover{background:rgba(42,30,92,.06);color:var(--violet)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--violet);border-color:#fff}
.btn-light{background:#fff;color:var(--violet)}
.btn-light:hover{background:#EFE9FF;color:var(--violet)}
.btn-sm{height:44px;padding:0 20px;font-size:15px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;letter-spacing:.02em;
  background:rgba(42,30,92,.08);color:var(--violet);white-space:nowrap;
}
.badge--cyan{background:rgba(47,211,192,.14);color:var(--aurora-deep)}
.badge--gold{background:rgba(244,201,122,.20);color:#8A6520}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(23,18,51,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:84px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,#2A1E5C,#16112F);
  border:1px solid rgba(47,211,192,.35);
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:600;color:var(--text)}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.nav-search{
  flex:1 1 auto;min-width:220px;max-width:560px;height:46px;
  display:flex;align-items:center;gap:8px;
  background:var(--mute-bg);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:0 6px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--aurora);background:#fff;box-shadow:0 0 0 3px rgba(47,211,192,.28)}
.nav-search svg{flex:0 0 auto;color:var(--text-3);transition:color .2s ease}
.nav-search:focus-within svg{color:var(--aurora-deep)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:14px;color:var(--text);outline:none;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search .search-btn{
  flex:0 0 auto;height:34px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--violet);color:#fff;font-size:14px;transition:background .2s ease;
}
.nav-search .search-btn:hover{background:var(--violet-hover)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:15px;flex:0 0 auto}
.nav-links a{position:relative;padding:6px 0;color:var(--text-2);text-decoration:none}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--aurora);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--violet)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--violet);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto;height:44px;padding:0 22px;font-size:15px}
.search-toggle,.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--violet);
  background:var(--mute-bg);border:1px solid var(--line);
}
.mobile-search{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0}
.site-header.search-open .mobile-search{display:block}
.nav-search--mobile{max-width:none}

.drawer{
  position:fixed;top:0;right:0;width:min(86vw,340px);height:100%;
  background:var(--ink-2);color:var(--on-dark);z-index:90;
  transform:translateX(102%);transition:transform .28s ease;
  padding:28px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-dark);color:var(--on-dark);display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-nav a{
  font-size:18px;color:rgba(244,242,255,.82);padding:14px 4px;
  border-bottom:1px solid var(--line-dark);
}
.drawer-nav a.is-active{color:var(--aurora);font-weight:600}
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,10,30,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;color:var(--on-dark);
  padding:40px 0 76px;
  background:
    linear-gradient(180deg,rgba(13,10,30,.90) 0%,rgba(13,10,30,.94) 60%,rgba(13,10,30,.98) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-head::after{
  content:"";position:absolute;top:-180px;right:-120px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(47,211,192,.20),transparent 62%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:2}
.star-line{
  position:absolute;left:0;right:0;bottom:22px;height:1px;z-index:1;
  background:linear-gradient(90deg,transparent,rgba(47,211,192,.28),transparent);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(244,242,255,.58)}
.breadcrumb a{color:rgba(244,242,255,.82)}
.breadcrumb a:hover{color:var(--aurora)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:rgba(244,242,255,.55)}
.page-head h1{font-size:40px;line-height:1.25;color:#fff;margin:20px 0 16px;max-width:820px}
.page-head .lead{font-size:17px;line-height:1.85;color:rgba(244,242,255,.76);max-width:700px}
.big-search{
  display:flex;align-items:center;gap:12px;max-width:640px;width:100%;
  margin-top:30px;height:60px;padding:6px 6px 6px 20px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);backdrop-filter:blur(6px);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.big-search:focus-within{border-color:var(--aurora);box-shadow:0 0 0 4px rgba(47,211,192,.18)}
.big-search svg{flex:0 0 auto;color:rgba(244,242,255,.6)}
.big-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:#fff;font-size:15px;outline:none}
.big-search input::placeholder{color:rgba(244,242,255,.5)}
.big-search button{
  flex:0 0 auto;height:46px;padding:0 28px;border-radius:var(--r-pill);
  background:var(--violet);color:#fff;font-size:15px;transition:background .2s ease;
}
.big-search button:hover{background:var(--violet-hover)}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.quick-tags a{
  font-size:13px;color:rgba(244,242,255,.78);padding:7px 15px;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);
  transition:all .2s ease;
}
.quick-tags a:hover{border-color:var(--aurora);color:var(--aurora)}

/* ---------- 自查路径 ---------- */
.selfcheck{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center}
.selfcheck-figure{margin:0;position:relative}
.selfcheck-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);background:var(--mute-bg);box-shadow:var(--sh-1);
}
.selfcheck-figure figcaption{
  margin-top:12px;font-size:13px;color:var(--text-3);
}
.section-head h2{font-size:30px;line-height:1.3}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.85}
.step-list{margin-top:28px}
.step-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.step-list li:last-child{border-bottom:0}
.step-num{
  flex:0 0 34px;height:34px;border-radius:50%;
  background:rgba(42,30,92,.07);color:var(--violet);
  display:grid;place-items:center;font-size:14px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.step-list h3{font-size:17px;line-height:1.5}
.step-list p{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:4px}

/* ---------- FAQ 分组 ---------- */
.faq-group{
  display:grid;grid-template-columns:280px 1fr;gap:48px;
  padding:52px 0;border-top:1px solid var(--line);
}
.faq-group:first-child{border-top:0;padding-top:0}
.faq-group-head{align-self:start;position:sticky;top:104px}
.group-index{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:rgba(244,201,122,.22);color:#8A6520;
  font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
}
.faq-group-head h2{font-size:24px;line-height:1.35;margin:16px 0 12px}
.faq-group-head p{font-size:14px;color:var(--text-2);line-height:1.85}
.qa{border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.qa:first-child{border-top:1px solid var(--line)}
.qa[open]{box-shadow:inset 3px 0 0 var(--aurora)}
.qa summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 16px 20px 0;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;transition:color .2s ease;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{color:var(--violet)}
.qa-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;margin-top:2px;
  background:rgba(42,30,92,.06);color:var(--violet);
  transition:background .2s ease,color .2s ease,transform .25s ease;
}
.qa[open] .qa-icon{background:rgba(47,211,192,.16);color:var(--aurora-deep);transform:rotate(45deg)}
.qa-body{
  padding:0 0 22px;max-width:760px;
  font-size:14px;line-height:1.9;color:var(--text-2);
}
.qa-body strong{color:var(--text);font-weight:600}

/* ---------- 热门标签 ---------- */
.tag-box{
  display:grid;grid-template-columns:280px 1fr;gap:48px;
  padding-top:8px;
}
.tag-box h3{font-size:20px;line-height:1.4;margin-bottom:12px}
.tag-box .tag-hint{font-size:14px;color:var(--text-2);line-height:1.85}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:14px;
  transition:all .2s ease;
}
.tag-cloud a:hover{border-color:transparent;background:rgba(42,30,92,.08);color:var(--violet)}

/* ---------- 仍未解决 ---------- */
.stuck{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:28px;padding:36px 40px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.stuck h3{font-size:22px;line-height:1.4}
.stuck p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:520px}
.stuck-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:var(--on-dark);
  background:linear-gradient(135deg,rgba(13,10,30,.97),rgba(22,17,47,.97));
  padding:88px 0;
}
.cta-band::before{
  content:"";position:absolute;left:-140px;bottom:-160px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(47,211,192,.16),transparent 60%);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 480px;gap:64px;align-items:center}
.cta-grid h2{font-size:30px;line-height:1.3;color:#fff}
.cta-grid .cta-lead{margin-top:18px;font-size:16px;line-height:1.9;color:rgba(244,242,255,.74);max-width:520px}
.cta-points{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{
  font-size:12px;color:rgba(244,242,255,.82);
  border:1px solid var(--line-dark);border-radius:var(--r-pill);
  padding:6px 14px;background:rgba(255,255,255,.04);
}
.cta-form{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  border-radius:var(--r-lg);padding:28px;display:grid;gap:16px;
  box-shadow:0 0 40px rgba(47,211,192,.10);
}
.field{display:grid;gap:8px}
.field label{font-size:14px;color:rgba(244,242,255,.78)}
.field input{
  height:48px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(244,242,255,.42)}
.field input:focus{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,.28)}
.field input[aria-invalid="true"]{border-color:var(--err)}
.form-alert{font-size:13px;line-height:1.7;border-radius:10px;padding:10px 14px}
.form-alert.err{background:rgba(217,83,79,.16);color:#FFB9B6;border:1px solid rgba(217,83,79,.4)}
.form-alert.ok{background:rgba(31,169,127,.16);color:#9AE5CB;border:1px solid rgba(31,169,127,.4)}
.form-note{font-size:12px;color:rgba(244,242,255,.52);line-height:1.7}
.cta-form .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,242,255,.72);padding:64px 0 28px}
.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{background:rgba(255,255,255,.06);border-color:rgba(47,211,192,.3)}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:600;display:block;line-height:1.2}
.footer-brand .brand-sub{color:rgba(244,242,255,.5);font-size:12px;letter-spacing:.06em;display:block}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(244,242,255,.6);max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  position:relative;font-size:14px;color:rgba(244,242,255,.62);
  padding-left:0;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--aurora);border-radius:2px;
  transition:height .2s ease;
}
.footer-links a:hover{color:var(--aurora);padding-left:10px}
.footer-links a:hover::before{height:14px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(244,242,255,.62);line-height:1.7}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--aurora)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:rgba(244,242,255,.45);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--violet);color:#fff;display:grid;place-items:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;z-index:70;
  transition:opacity .25s ease,visibility .25s ease,background .2s ease;
}
.to-top:hover{background:var(--violet-hover)}
.to-top.show{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:inline-flex}
  .selfcheck{grid-template-columns:1fr;gap:36px}
  .faq-group{grid-template-columns:1fr;gap:20px;padding:40px 0}
  .faq-group-head{position:sticky;top:68px;background:#fff;z-index:20;padding:14px 0;border-bottom:1px solid var(--line)}
  .faq-group:first-child .faq-group-head{padding-top:0}
  .tag-box{grid-template-columns:1fr;gap:20px}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section--tight{padding:48px 0}
  .header-inner{gap:12px;height:68px}
  .nav-search{display:none}
  .search-toggle{display:inline-flex}
  .page-head{padding:28px 0 56px}
  .page-head h1{font-size:28px;line-height:1.32}
  .page-head .lead{font-size:15px}
  .big-search{height:54px;padding-left:16px}
  .big-search button{height:42px;padding:0 20px;font-size:14px}
  .section-head h2,.cta-grid h2{font-size:22px}
  .faq-group-head h2{font-size:20px}
  .qa summary{font-size:15px;padding:18px 12px 18px 0}
  .stuck{padding:26px 22px}
  .stuck-actions{width:100%}
  .stuck-actions .btn{flex:1 1 auto}
  .cta-band{padding:56px 0}
  .cta-form{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
  .to-top{right:18px;bottom:18px}
}
@media (max-width:520px){
  .page-head h1{font-size:25px}
  .brand-sub{display:none}
  .btn{height:46px;padding:0 20px;font-size:15px}
  .quick-tags a{font-size:12px;padding:6px 12px}
  .tag-cloud a{height:36px;padding:0 14px;font-size:13px}
}