/* roulang page: index */
:root{
  --gold:#E9A73B; --gold-d:#C9861A; --gold-l:#F6CE7A;
  --cyan:#3FB6C9; --cyan-d:#2A8794;
  --ink:#12102B; --ink-2:#1B1840; --ink-3:#272255;
  --paper:#FAF9F5; --paper-2:#F1EFE8;
  --text:#1A1830; --muted:#5C5A73;
  --on-dark:#F5F3EE; --on-dark-2:rgba(245,243,238,.72);
  --line:rgba(18,16,43,.08); --line-dark:rgba(245,243,238,.10);
  --pink:#D96A8B;
  --r-card:16px; --r-btn:12px; --r-img:14px; --r-big:20px;
  --sh-1:0 1px 2px rgba(18,16,43,.06),0 6px 18px rgba(18,16,43,.06);
  --sh-2:0 10px 28px rgba(18,16,43,.14);
  --sh-dark:0 10px 26px rgba(0,0,0,.35);
  --bs-body-bg:var(--paper); --bs-body-color:var(--text);
  --bs-border-radius:14px; --bs-link-color:var(--text); --bs-link-hover-color:var(--gold-d);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--bs-font-sans-serif);font-size:17px;line-height:1.85;
  color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;
}
.container,.container-sm,.container-md,.container-lg,.container-xl,.container-xxl{
  max-width:1200px;padding-inline:24px;margin-inline:auto;
}
.sec{padding:88px 0}
.sec--tight{padding:64px 0}
.sec--paper2{background:var(--paper-2)}
.sec--dark{background:var(--ink);color:var(--on-dark)}
.sec-divider{border-top:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn-star,.btn-ghost,.btn-light-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:16px;font-weight:600;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-star{background:var(--gold);color:var(--text)}
.btn-star:hover{background:var(--gold-d);color:var(--text);transform:translateY(-2px)}
.btn-star:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--text);color:var(--text)}
.btn-ghost:hover{background:rgba(233,167,59,.14);color:var(--text);transform:translateY(-2px)}
.btn-light-star{background:var(--on-dark);color:var(--ink);border-color:transparent}
.btn-light-star:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.45);color:var(--on-dark)}
.btn-ghost-light:hover{background:rgba(245,243,238,.12);color:#fff}
.btn-sm{height:40px;padding:0 16px;font-size:15px}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft,.badge-cyan,.badge-pink{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-soft{background:rgba(233,167,59,.14);color:var(--gold-d)}
.badge-cyan{background:rgba(63,182,201,.14);color:var(--cyan-d)}
.badge-pink{background:rgba(217,106,139,.14);color:#B84A6C}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--gold-d);margin-bottom:10px}
.sec--dark .eyebrow{color:var(--gold-l)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1050;padding:14px 0 10px;background:linear-gradient(180deg,rgba(250,249,245,.98),rgba(250,249,245,.78))}
.site-header.is-scrolled{background:rgba(250,249,245,.86);backdrop-filter:blur(10px);box-shadow:0 6px 18px rgba(18,16,43,.06)}
.nav-panel{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--ink-3),var(--ink));
  display:flex;align-items:center;justify-content:center;color:var(--gold);
  font-size:18px;box-shadow:inset 0 0 0 1px rgba(233,167,59,.35);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;letter-spacing:.02em}
.brand__sub{font-size:12px;color:var(--muted);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;flex-wrap:wrap}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--text);min-height:44px;
}
.nav-card i{color:var(--cyan);font-size:14px}
.nav-card:hover{background:rgba(233,167,59,.10);color:var(--gold-d);transform:translateY(-1px)}
.nav-card.active{background:rgba(233,167,59,.16);color:var(--gold-d)}
.nav-card.active i{color:var(--gold-d)}
.nav-cta{flex-shrink:0;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(233,167,59,.10)}

/* ---------- Hero ---------- */
.hero{
  position:relative;border-radius:var(--r-big);overflow:hidden;color:var(--on-dark);
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:72px 0 64px;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 78% 20%,rgba(233,167,59,.14),transparent 55%),rgba(18,16,43,.80);
}
.hero > .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(28px,3.6vw,50px);font-weight:700;line-height:1.25;color:var(--on-dark);margin-bottom:18px}
.hero h1 .hl{color:var(--gold-l)}
.hero-sub{font-size:18px;color:var(--on-dark-2);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:14px 16px;box-shadow:var(--sh-dark);
}
.trust-card i{color:var(--gold);font-size:18px}
.trust-card strong{display:block;font-size:15px;color:var(--on-dark);margin:8px 0 4px}
.trust-card span{font-size:13px;color:var(--on-dark-2);line-height:1.6}
.hero-visual{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-dark);
  box-shadow:var(--sh-dark);background:rgba(18,16,43,.4);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:18px;font-size:clamp(22px,2.4vw,30px)}
.sec-title::before{content:'';position:absolute;left:0;top:.22em;width:6px;height:1.05em;background:var(--cyan);border-radius:3px}
.sec-sub{font-size:16px;color:var(--muted);max-width:44em;margin:10px 0 0}
.sec--dark .sec-sub{color:var(--on-dark-2)}
.link-underline{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--gold-d)}
.link-underline:hover{color:var(--gold-d);text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:3px}

/* ---------- 功能网格（非对称） ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.feat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:26px;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;
}
.feat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.feat-card.span-3{grid-column:span 3}
.feat-card.span-2{grid-column:span 2}
.feat-card.span-6{grid-column:span 6}
.feat-card.is-lead{
  background:linear-gradient(150deg,var(--ink-2),var(--ink));color:var(--on-dark);border-color:var(--line-dark);
}
.feat-card.is-lead h3{color:var(--on-dark)}
.feat-card.is-lead p{color:var(--on-dark-2)}
.feat-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(233,167,59,.14);
  display:flex;align-items:center;justify-content:center;color:var(--gold-d);font-size:19px;margin-bottom:16px;
}
.feat-card.is-lead .feat-icon{background:rgba(233,167,59,.20);color:var(--gold-l)}
.feat-card h3{font-size:20px;margin-bottom:10px}
.feat-card p{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:14px}
.feat-card.is-lead p{color:var(--on-dark-2)}
.feat-list li{font-size:14px;color:var(--muted);padding-left:18px;position:relative;line-height:1.8}
.feat-list li::before{content:'';position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.feat-card.is-lead .feat-list li{color:var(--on-dark-2)}
.feat-card.is-lead .feat-list li::before{background:var(--gold)}

/* ---------- 场景图文交错 ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.scene-row + .scene-row{margin-top:72px}
.scene-row.reverse .scene-media{order:2}
.scene-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--paper-2)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body h3{font-size:24px;margin-bottom:12px}
.scene-body p{color:var(--muted)}
.scene-points{margin-top:18px}
.scene-points li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text)}
.scene-points li:last-child{border-bottom:none}
.scene-points i{color:var(--cyan);margin-top:6px}

/* ---------- 案例深区 ---------- */
.case-band{
  position:relative;background:var(--ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:var(--on-dark);border-radius:var(--r-big);overflow:hidden;padding:64px 0;
}
.case-band::before{content:'';position:absolute;inset:0;background:rgba(18,16,43,.86)}
.case-band > *{position:relative;z-index:2}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-dark);display:flex;flex-direction:column;gap:14px;
}
.case-card h3{font-size:17px;color:var(--on-dark);line-height:1.7}
.case-metrics{display:flex;gap:26px}
.case-metrics b{display:block;font-size:30px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.case-metrics span{font-size:13px;color:var(--on-dark-2)}
.case-sign{font-size:13px;color:var(--on-dark-2);border-top:1px solid var(--line-dark);padding-top:12px;margin-top:auto}

/* ---------- 档位 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:28px;display:flex;flex-direction:column;gap:16px;position:relative;transition:transform .22s ease,box-shadow .22s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.plan-card.featured{border-color:rgba(233,167,59,.55);box-shadow:var(--sh-2);transform:translateY(-8px)}
.plan-card.featured:hover{transform:translateY(-10px)}
.plan-flag{position:absolute;top:-13px;left:28px;background:var(--gold);color:var(--text);font-size:13px;font-weight:600;padding:3px 12px;border-radius:999px}
.plan-card h3{font-size:20px}
.plan-price{font-size:26px;font-weight:700;color:var(--gold-d);font-variant-numeric:tabular-nums}
.plan-desc{font-size:14px;color:var(--muted);margin:0}
.plan-list li{font-size:15px;color:var(--text);padding:9px 0 9px 24px;position:relative}
.plan-list li::before{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;top:9px;font-size:12px;color:var(--cyan)}
.plan-card .btn-star,.plan-card .btn-ghost{width:100%}

/* ---------- 内容列表 ---------- */
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card__media{display:block;background:var(--paper-2)}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted)}
.post-card__title{font-size:17px;line-height:1.6}
.post-card__title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-card__title a{color:var(--gold-d)}
.post-card__desc{font-size:14px;color:var(--muted);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__more{margin-top:auto;font-size:14px;font-weight:600;color:var(--gold-d);display:inline-flex;align-items:center;gap:6px}
.empty-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:48px 24px;text-align:center;max-width:560px;margin:0 auto;
}
.empty-card i{font-size:26px;color:var(--gold)}
.empty-card strong{display:block;font-size:17px;margin:14px 0 6px}
.empty-card span{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(63,182,201,.42)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{transition:transform .25s ease;color:var(--cyan);font-size:14px}
.faq-item[open] summary .chev{transform:rotate(180deg)}
.faq-item[open] summary::before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--cyan);border-radius:0 3px 3px 0}
.faq-body{padding:0 22px 20px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius:var(--r-big);overflow:hidden;color:var(--on-dark);padding:56px 0;
}
.cta-band::before{content:'';position:absolute;inset:0;background:rgba(18,16,43,.86)}
.cta-band > .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-grid h2{font-size:clamp(22px,2.6vw,32px);color:var(--on-dark);margin-bottom:14px}
.cta-grid p{color:var(--on-dark-2);margin-bottom:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.form-card{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-dark)}
.form-card label{display:block;font-size:14px;color:var(--on-dark-2);margin-bottom:8px}
.form-card input,.form-card textarea{
  width:100%;border-radius:var(--r-btn);border:1px solid rgba(245,243,238,.24);
  background:rgba(255,255,255,.06);color:var(--on-dark);padding:12px 14px;font-size:15px;
  min-height:48px;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-card textarea{min-height:96px;resize:vertical;line-height:1.7}
.form-card input::placeholder,.form-card textarea::placeholder{color:rgba(245,243,238,.45)}
.form-card input:focus,.form-card textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(233,167,59,.18)}
.form-field + .form-field{margin-top:14px}
.form-note{font-size:13px;color:var(--on-dark-2);margin:14px 0 0}
.form-alert{font-size:13px;color:var(--gold-l);margin:12px 0 0;display:none}
.form-alert.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand__mark{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(233,167,59,.35)}
.footer-brand .brand__name{color:var(--on-dark)}
.footer-brand .brand__sub{color:var(--on-dark-2)}
.footer-about{font-size:14px;color:var(--on-dark-2);line-height:1.85;max-width:32em}
.footer-col h4{font-size:15px;color:var(--on-dark);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--gold)}
.footer-contact li{font-size:14px;color:var(--on-dark-2);display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}
.footer-contact i{color:var(--gold);margin-top:5px}
.footer-bottom{
  margin-top:48px;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:var(--on-dark-2);
}
.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--gold);color:var(--ink);border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;z-index:1040;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .sec{padding:64px 0}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-links{
    display:none;flex-direction:column;align-items:stretch;gap:8px;width:100%;
    order:3;padding-top:12px;margin-top:12px;border-top:1px solid var(--line);
  }
  .nav-panel{flex-wrap:wrap}
  .nav-panel.is-open .nav-links{display:flex}
  .nav-panel.is-open .nav-links{display:grid;grid-template-columns:1fr 1fr}
  .nav-card{justify-content:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:12px}
  .nav-cta{display:none}
  .nav-panel.is-open .nav-cta{display:flex;width:100%;order:4;margin-top:12px}
  .nav-panel.is-open .nav-cta .btn-star{width:100%}
  .hero{padding:56px 0 48px}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .hero-visual img{aspect-ratio:16/9}
  .hero-trust{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .feat-card.span-3,.feat-card.span-2,.feat-card.span-6{grid-column:span 1}
  .feat-card.span-6{grid-column:span 2}
  .scene-row{grid-template-columns:1fr;gap:28px}
  .scene-row.reverse .scene-media{order:0}
  .scene-row + .scene-row{margin-top:52px}
  .case-grid{grid-template-columns:repeat(3,minmax(260px,1fr));overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}
  .case-card{scroll-snap-align:start}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card.featured{transform:none}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .sec{padding:44px 0}
  .sec--tight{padding:40px 0}
  .container,.container-sm,.container-md,.container-lg,.container-xl,.container-xxl{padding-inline:16px}
  body{font-size:16px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-trust{grid-template-columns:1fr 1fr;gap:12px}
  .feat-grid{grid-template-columns:1fr}
  .feat-card.span-6{grid-column:span 1}
  .sec-head{margin-bottom:28px}
  .case-grid{grid-template-columns:repeat(3,minmax(240px,1fr))}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .nav-panel.is-open .nav-links{grid-template-columns:1fr}
  .hero-trust{grid-template-columns:1fr}
  .hero-actions .btn-star,.hero-actions .btn-ghost{width:100%}
  .case-metrics{gap:20px}
}

/* roulang page: article */
:root{
  --star-gold:#E9A73B;
  --star-gold-deep:#C9861A;
  --star-gold-soft:#F6CE7A;
  --orbit-cyan:#3FB6C9;
  --orbit-cyan-deep:#2A8794;
  --nebula-pink:#D96A8B;
  --deep-1:#12102B;
  --deep-2:#1B1840;
  --deep-3:#272255;
  --paper:#FAF9F5;
  --paper-2:#F1EFE8;
  --ink:#1A1830;
  --ink-2:#5C5A73;
  --line:rgba(18,16,43,.08);
  --line-strong:rgba(18,16,43,.14);
  --line-light:rgba(245,243,238,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-big:20px;
  --shadow-1:0 1px 2px rgba(18,16,43,.06),0 6px 18px rgba(18,16,43,.06);
  --shadow-2:0 10px 28px rgba(18,16,43,.14);
  --shadow-dark:0 12px 30px rgba(0,0,0,.35);
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--star-gold-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
::selection{background:rgba(233,167,59,.28);}

/* ============ 按钮 ============ */
.btn-star{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  border:0;border-radius:var(--r-btn);
  background:var(--star-gold);color:var(--ink);
  font-size:16px;font-weight:600;
  box-shadow:0 6px 16px rgba(233,167,59,.28);
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.btn-star:hover{background:var(--star-gold-deep);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 24px rgba(201,134,26,.3);}
.btn-star:active{transform:translateY(0);}
.btn-star:focus-visible{outline:2px solid var(--orbit-cyan);outline-offset:2px;}
.btn-star.btn-sm{height:40px;padding:0 18px;font-size:15px;box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;
  border:1px solid var(--ink);border-radius:var(--r-btn);
  background:transparent;color:var(--ink);
  font-size:16px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-ghost:hover{background:rgba(233,167,59,.14);color:var(--ink);border-color:var(--star-gold-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--orbit-cyan);outline-offset:2px;}
.btn-ghost.btn-sm{height:40px;padding:0 16px;font-size:15px;}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:#F5F3EE;color:var(--ink);font-size:16px;font-weight:600;
  transition:transform .18s ease,background-color .18s ease;
}
.btn-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-line-dark{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid rgba(245,243,238,.45);background:transparent;color:#F5F3EE;
  font-size:16px;font-weight:600;transition:background-color .18s ease,transform .18s ease;
}
.btn-line-dark:hover{background:rgba(245,243,238,.12);color:#F5F3EE;transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--star-gold-deep);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.btn-text:hover{color:var(--star-gold-deep);border-bottom-color:var(--star-gold);}

/* ============ 徽章 ============ */
.badge-star{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:rgba(233,167,59,.14);color:var(--star-gold-deep);
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-cyan{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:rgba(63,182,201,.14);color:var(--orbit-cyan-deep);
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-pink{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:rgba(217,106,139,.14);color:#B44B6C;
  font-size:13px;font-weight:600;line-height:1.6;
}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;padding-top:14px;}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:rgba(250,249,245,.92);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:10px 14px;
  transition:background-color .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.nav-panel.is-scrolled{
  background:rgba(250,249,245,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 10px 28px rgba(18,16,43,.12);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--deep-1);color:var(--star-gold);
  font-size:17px;
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:17px;font-weight:700;color:var(--ink);}
.brand__sub{font-size:12px;color:var(--ink-2);letter-spacing:1px;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.nav-card i{font-size:13px;color:var(--orbit-cyan);transition:color .18s ease;}
.nav-card:hover{background:rgba(233,167,59,.10);color:var(--ink);transform:translateY(-1px);}
.nav-card:hover i{color:var(--star-gold-deep);}
.nav-card.active{background:rgba(233,167,59,.16);color:var(--star-gold-deep);font-weight:600;}
.nav-card.active i{color:var(--star-gold-deep);}
.nav-cta{flex:0 0 auto;display:flex;align-items:center;gap:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);font-size:17px;
}
.nav-toggle:focus-visible{outline:2px solid var(--orbit-cyan);outline-offset:2px;}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  margin-top:-68px;
  padding:126px 0 46px;
  background-image:linear-gradient(180deg,rgba(18,16,43,.90),rgba(18,16,43,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#F5F3EE;
}
.page-head::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line-light);
}
.breadcrumb-star{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(245,243,238,.72);
  margin-bottom:18px;
}
.breadcrumb-star a{color:rgba(245,243,238,.72);}
.breadcrumb-star a:hover{color:var(--star-gold-soft);}
.breadcrumb-star .sep{color:rgba(245,243,238,.42);}
.breadcrumb-star .current{
  color:var(--star-gold-soft);
  max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  display:inline-block;vertical-align:bottom;
}
.page-head__row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.page-head__cat{
  display:inline-flex;align-items:center;gap:9px;
  font-size:22px;font-weight:700;color:#F5F3EE;
}
.page-head__cat i{color:var(--star-gold);font-size:18px;}
.page-head__note{
  font-size:13.5px;color:rgba(245,243,238,.66);
  padding-left:14px;border-left:1px solid rgba(245,243,238,.22);
}
.page-head__sub{
  margin-top:10px;font-size:15px;color:rgba(245,243,238,.72);max-width:720px;
}

/* ============ 文章主体 ============ */
.article-section{padding:64px 0 88px;background:var(--paper);}
.article-card{
  max-width:860px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:44px 52px 52px;
}
.article-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.article-title{
  font-size:36px;line-height:1.34;font-weight:700;color:var(--ink);
  letter-spacing:.3px;
}
.article-meta{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  margin-top:18px;font-size:13.5px;color:var(--ink-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--orbit-cyan);font-size:13px;}
.article-divider{height:1px;background:var(--line);margin:26px 0 34px;}

.article-body{max-width:760px;font-size:17px;line-height:1.85;color:var(--ink);}
.article-body > * + *{margin-top:1em;}
.article-body p{margin:0 0 1em;color:#252342;}
.article-body h2{
  font-size:25px;line-height:1.45;margin:40px 0 16px;
  padding-left:14px;position:relative;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--orbit-cyan);
}
.article-body h3{
  font-size:20px;margin:32px 0 14px;color:var(--ink);
}
.article-body h4{font-size:17.5px;margin:26px 0 12px;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:2px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;line-height:1.8;margin-bottom:8px;color:#252342;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--star-gold);
}
.article-body ol{counter-reset:artol;}
.article-body ol li{counter-increment:artol;}
.article-body ol li::before{
  content:counter(artol,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--star-gold-deep);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--orbit-cyan);
  background:rgba(63,182,201,.06);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:#2A2846;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px 0;width:100%;height:auto;background:var(--paper-2);}
.article-body a{color:var(--star-gold-deep);border-bottom:2px solid rgba(233,167,59,.45);}
.article-body a:hover{color:var(--star-gold-deep);border-bottom-color:var(--star-gold);}
.article-body table{
  width:100%;display:block;overflow-x:auto;
  border-collapse:collapse;margin:22px 0;font-size:15.5px;
}
.article-body table th,.article-body table td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;
}
.article-body table th{background:var(--paper-2);font-weight:600;color:var(--ink);}
.article-body table tbody tr:nth-child(even){background:rgba(241,239,232,.55);}
.article-body pre{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-img);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#2A2846;
}
.article-body code{
  background:rgba(241,239,232,.9);border-radius:6px;padding:2px 6px;
  font-size:14.5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0;}

/* 空态 */
.empty-state{
  max-width:520px;margin:8px auto;text-align:center;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 28px;
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;background:rgba(233,167,59,.14);color:var(--star-gold-deep);
  font-size:22px;
}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin-bottom:20px;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 88px;background:var(--paper);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:26px;position:relative;padding-left:16px;color:var(--ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;
  border-radius:4px;background:var(--star-gold);
}
.section-head p{font-size:14.5px;color:var(--ink-2);margin:6px 0 0;padding-left:16px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.post-card__thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--paper-2);
  border-radius:0;
}
.post-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-2);
}
.post-card__title{
  font-size:17px;line-height:1.55;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-card__title{color:var(--star-gold-deep);}
.post-card__desc{
  font-size:14.5px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__link{
  margin-top:auto;font-size:14.5px;font-weight:600;color:var(--star-gold-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.post-card__link i{font-size:12px;transition:transform .2s ease;}
.post-card:hover .post-card__link i{transform:translateX(3px);}

/* ============ 返回入口 ============ */
.back-actions{
  max-width:860px;margin:0 auto;padding:0 0 8px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background-color:var(--deep-1);
  background-image:radial-gradient(circle at 82% 18%,rgba(233,167,59,.16),transparent 46%),linear-gradient(180deg,var(--deep-1),var(--deep-2));
  border-radius:var(--r-big);
  padding:52px 48px;
  color:#F5F3EE;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  overflow:hidden;
}
.cta-band h2{font-size:28px;color:#F5F3EE;margin-bottom:12px;}
.cta-band p{font-size:15.5px;color:rgba(245,243,238,.72);margin-bottom:24px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form{
  background:rgba(245,243,238,.06);
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:24px;
}
.cta-form label{display:block;font-size:13.5px;color:rgba(245,243,238,.72);margin-bottom:6px;}
.cta-form .field{margin-bottom:14px;}
.cta-form input,.cta-form textarea{
  width:100%;height:48px;padding:0 14px;
  border-radius:12px;border:1px solid rgba(245,243,238,.22);
  background:rgba(18,16,43,.35);color:#F5F3EE;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form textarea{height:88px;padding:12px 14px;resize:vertical;}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(245,243,238,.42);}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--star-gold);
  box-shadow:0 0 0 3px rgba(233,167,59,.18);
}
.cta-form .btn-star{width:100%;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background-color:var(--deep-1);
  background-image:radial-gradient(circle at 12% 0%,rgba(63,182,201,.12),transparent 42%);
  color:rgba(245,243,238,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__name{color:#F5F3EE;}
.footer-brand .brand__sub{color:rgba(245,243,238,.6);}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(245,243,238,.66);margin:0;max-width:38ch;}
.footer-col h4{
  font-size:15px;color:#F5F3EE;margin-bottom:16px;font-weight:600;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(245,243,238,.68);}
.footer-col ul li a:hover{color:var(--star-gold);}
.footer-contact li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:14px;color:rgba(245,243,238,.68);line-height:1.7;
}
.footer-contact i{color:var(--orbit-cyan);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-light);
  padding:20px 0 26px;font-size:13px;color:rgba(245,243,238,.55);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  width:44px;height:44px;border-radius:50%;border:0;
  background:var(--star-gold);color:var(--ink);
  font-size:16px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(18,16,43,.28);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--star-gold-deep);}
.to-top:focus-visible{outline:2px solid var(--orbit-cyan);outline-offset:2px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:100%;}
  .article-card{padding:38px 36px 44px;}
}
@media (max-width:991px){
  body{font-size:16.5px;}
  .site-header{padding-top:10px;}
  .nav-panel{flex-wrap:wrap;gap:12px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-links{
    display:none;order:3;width:100%;
    grid-template-columns:repeat(2,1fr);gap:8px;
    padding-top:12px;border-top:1px solid var(--line);
    justify-content:flex-start;
  }
  .nav-links.open{display:grid;}
  .nav-card{width:100%;justify-content:flex-start;padding:11px 12px;font-size:14px;}
  .nav-cta{order:2;}
  .nav-cta .btn-star{display:none;}
  .page-head{margin-top:-58px;padding:112px 0 40px;}
  .page-head__cat{font-size:20px;}
  .article-card{padding:32px 26px 38px;}
  .article-title{font-size:29px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding-left:16px;padding-right:16px;}
  .article-section{padding:44px 0 64px;}
  .related{padding-bottom:64px;}
  .article-card{padding:26px 20px 32px;}
  .article-title{font-size:24px;}
  .article-meta{gap:14px;font-size:13px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .breadcrumb-star .current{white-space:normal;max-width:100%;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:520px){
  .article-title{font-size:21px;}
  .brand__sub{display:none;}
  .nav-links.open{grid-template-columns:1fr;}
  .page-head{padding:104px 0 34px;}
  .page-head__note{display:none;}
}

/* roulang page: category2 */
:root{
  --star-gold:#E9A73B;
  --star-gold-deep:#C9861A;
  --star-gold-light:#F6CE7A;
  --orbit-cyan:#3FB6C9;
  --orbit-cyan-deep:#2A8794;
  --nebula-pink:#D96A8B;
  --deep-900:#12102B;
  --deep-800:#1B1840;
  --deep-700:#272255;
  --paper:#FAF9F5;
  --paper-2:#F1EFE8;
  --ink:#1A1830;
  --ink-2:#5C5A73;
  --line:rgba(18,16,43,.08);
  --line-dark:rgba(245,243,238,.10);
  --white-soft:#F5F3EE;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-deep:20px;
  --sh-rest:0 1px 2px rgba(18,16,43,.06),0 6px 18px rgba(18,16,43,.06);
  --sh-hover:0 10px 28px rgba(18,16,43,.14);
  --sh-dark:0 10px 28px rgba(0,0,0,.35);
  --sp-section:88px;
  --bs-primary:#E9A73B;
  --bs-body-bg:#FAF9F5;
  --bs-body-color:#1A1830;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--star-gold-deep);text-decoration:underline;text-decoration-color:var(--star-gold);text-decoration-thickness:2px;text-underline-offset:3px}
h1,h2,h3,h4{font-weight:700;color:var(--ink);margin:0}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{line-height:1.8}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--orbit-cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:56px 0}
.section--paper{background:var(--paper-2)}
.section--dark{background:var(--deep-900);color:var(--white-soft)}
.divider{height:1px;background:var(--line);border:0;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;font-weight:600;
  color:var(--orbit-cyan-deep);
  background:rgba(63,182,201,.14);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.section-title{font-size:30px;line-height:1.35;margin-bottom:14px;position:relative;padding-left:16px}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:.9em;
  background:var(--orbit-cyan);border-radius:2px;
}
.section-lead{color:var(--ink-2);font-size:17px;max-width:760px;margin-bottom:36px}
.section--dark .section-title{color:var(--white-soft)}
.section--dark .section-lead{color:rgba(245,243,238,.72)}

/* 按钮 */
.btn-star,.btn-ghost,.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease;
  text-decoration:none;
}
.btn-star{background:var(--star-gold);color:var(--ink);box-shadow:0 6px 16px rgba(233,167,59,.28)}
.btn-star:hover{background:var(--star-gold-deep);color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-star:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(26,24,48,.35)}
.btn-ghost:hover{background:rgba(233,167,59,.14);color:var(--ink);transform:translateY(-2px);text-decoration:none}
.btn-light-solid{background:var(--white-soft);color:var(--deep-900)}
.btn-light-solid:hover{background:#fff;color:var(--deep-900);transform:translateY(-2px);text-decoration:none}
.btn-sm{height:40px;padding:0 16px;font-size:15px}
.btn-outline-light-soft{background:transparent;border:1px solid rgba(245,243,238,.35);color:var(--white-soft)}
.btn-outline-light-soft:hover{background:rgba(245,243,238,.12);color:#fff;transform:translateY(-2px);text-decoration:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;padding:14px 0;transition:padding .2s ease}
.site-header.is-scrolled{padding:8px 0}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:10px 16px;
  box-shadow:var(--sh-rest);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-hover);background:rgba(255,255,255,.94)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand__mark{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(140deg,var(--deep-800),var(--deep-700));
  color:var(--star-gold);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:inset 0 0 0 1px rgba(245,243,238,.14);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;color:var(--ink)}
.brand__sub{font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.nav-card i{font-size:13px;color:var(--orbit-cyan-deep)}
.nav-card:hover{background:rgba(233,167,59,.10);color:var(--ink);transform:translateY(-1px);text-decoration:none}
.nav-card.active{background:rgba(233,167,59,.16);color:var(--star-gold-deep);border-color:rgba(233,167,59,.34)}
.nav-card.active i{color:var(--star-gold-deep)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:rgba(233,167,59,.12)}

/* Hero */
.hero{
  position:relative;
  background-color:var(--deep-900);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:var(--white-soft);
  padding:96px 0 84px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 320px at 50% -10%,rgba(233,167,59,.14),transparent 70%),
    radial-gradient(520px 280px at 88% 22%,rgba(63,182,201,.12),transparent 72%),
    rgba(18,16,43,.82);
}
.hero .container{position:relative;z-index:2}
.hero-center{max-width:840px;margin:0 auto;text-align:center}
.hero h1{
  font-size:clamp(28px,4vw,50px);line-height:1.25;color:var(--white-soft);
  margin-bottom:18px;letter-spacing:.01em;
}
.hero-sub{
  font-size:19px;line-height:1.8;color:rgba(245,243,238,.74);
  max-width:720px;margin:0 auto 32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  text-align:left;
}
.trust-card{
  background:rgba(245,243,238,.06);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:18px;
}
.trust-card i{color:var(--star-gold);font-size:18px;margin-bottom:10px;display:block}
.trust-card strong{display:block;font-size:16px;color:var(--white-soft);margin-bottom:4px}
.trust-card span{font-size:13.5px;color:rgba(245,243,238,.66);line-height:1.7;display:block}
.crumbs{font-size:13px;color:rgba(245,243,238,.66);margin-bottom:22px}
.crumbs a{color:rgba(245,243,238,.78)}
.crumbs a:hover{color:var(--star-gold)}
.crumbs .sep{margin:0 8px;opacity:.6}
.crumbs .now{color:rgba(245,243,238,.56)}

/* 功能非对称网格 */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.f-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-rest);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.f-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(233,167,59,.34)}
.f-icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(233,167,59,.14);color:var(--star-gold-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.f-card h3{font-size:20px;margin-bottom:10px}
.f-card p{font-size:15px;line-height:1.75;color:var(--ink-2);margin-bottom:14px}
.f-card ul{font-size:15px;color:var(--ink-2);margin-bottom:0}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-4{grid-column:span 4}
.span-8{grid-column:span 8}
.f-card--media{padding:0;overflow:hidden;flex-direction:row;align-items:stretch}
.f-card--media img{width:44%;object-fit:cover;border-radius:0;background:var(--paper-2)}
.f-card--media .f-body{padding:28px;display:flex;flex-direction:column;justify-content:center}
.f-card--media h3{margin-top:0}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:4px 12px;border-radius:999px;
  background:rgba(233,167,59,.14);color:var(--star-gold-deep);
  margin-right:8px;margin-bottom:10px;
}
.tag--cyan{background:rgba(63,182,201,.14);color:var(--orbit-cyan-deep)}
.tag--pink{background:rgba(217,106,139,.14);color:#B94A6B}
.link-more{font-size:15px;font-weight:600;color:var(--star-gold-deep);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--star-gold-deep)}

/* 能力分层表格 */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-rest);
}
.table-scroll{overflow-x:auto}
table.cap-table{width:100%;border-collapse:collapse;min-width:720px}
table.cap-table caption{
  caption-side:top;text-align:left;padding:20px 24px 12px;
  font-size:14px;color:var(--ink-2);
}
table.cap-table th,table.cap-table td{
  padding:16px 24px;text-align:left;font-size:15px;vertical-align:top;
  border-bottom:1px solid var(--line);
}
table.cap-table thead th{
  background:var(--deep-800);color:var(--white-soft);
  font-size:14px;font-weight:600;letter-spacing:.02em;border-bottom:0;
}
table.cap-table tbody tr:nth-child(even){background:var(--paper-2)}
table.cap-table tbody tr:last-child td{border-bottom:0}
table.cap-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}

/* 场景卡 */
.scene-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-rest);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;background:var(--paper-2)}
.scene-card .scene-body{padding:22px}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{font-size:15px;color:var(--ink-2);line-height:1.75;margin-bottom:0}

/* 数据带 */
.metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{border-left:2px solid rgba(233,167,59,.55);padding-left:18px}
.metric .num{font-size:36px;font-weight:700;color:var(--star-gold);line-height:1.1;font-variant-numeric:tabular-nums}
.metric .lbl{font-size:13.5px;color:rgba(245,243,238,.7);margin-top:8px;display:block;line-height:1.7}

/* 图文交错 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--paper-2);box-shadow:var(--sh-rest)}
.split h2{font-size:26px;margin-bottom:14px}
.split p{color:var(--ink-2)}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding-left:30px;margin-bottom:12px;font-size:16px;color:var(--ink-2)}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--orbit-cyan-deep);font-size:13px;
}

/* 提示卡 */
.note-card{
  background:var(--paper-2);border-left:3px solid var(--orbit-cyan);
  border-radius:12px;padding:22px 26px;margin-top:32px;
}
.note-card strong{display:block;margin-bottom:6px;font-size:16px}
.note-card p{margin:0;font-size:15px;color:var(--ink-2)}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(63,182,201,.4);box-shadow:var(--sh-rest)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 56px 20px 24px;position:relative;
  font-size:16px;font-weight:600;color:var(--ink);
  min-height:60px;display:flex;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--ink-2);transition:transform .22s ease,color .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--orbit-cyan-deep)}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:transparent;border-radius:0 2px 2px 0;transition:background-color .2s ease;
}
.faq-item[open] summary::before{background:var(--orbit-cyan)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-answer p{margin:0}

/* CTA */
.cta-section{
  position:relative;background-color:var(--deep-900);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;color:var(--white-soft);
  border-radius:var(--r-deep);padding:56px 48px;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 260px at 20% 0%,rgba(233,167,59,.14),transparent 72%),rgba(18,16,43,.86);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cta-inner h2{font-size:28px;color:var(--white-soft);margin-bottom:12px}
.cta-inner p{color:rgba(245,243,238,.74);margin-bottom:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.form-card{
  background:rgba(245,243,238,.07);border:1px solid var(--line-dark);
  border-radius:var(--r-card);padding:24px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:rgba(245,243,238,.72);margin-bottom:8px}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  background:rgba(18,16,43,.4);color:var(--white-soft);
  border:1px solid rgba(245,243,238,.2);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(245,243,238,.42)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--star-gold);
  box-shadow:0 0 0 3px rgba(233,167,59,.18);
}
.form-hint{font-size:13px;color:rgba(245,243,238,.6);margin:0}
.form-tip{font-size:13.5px;color:var(--star-gold-light);margin-top:12px;display:none}
.form-tip.show{display:block}

/* 页脚 */
.site-footer{background:var(--deep-900);color:rgba(245,243,238,.72);padding:64px 0 28px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 240px at 82% 0%,rgba(63,182,201,.10),transparent 70%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__name{color:var(--white-soft);font-size:17px}
.footer-brand .brand__sub{color:rgba(245,243,238,.6)}
.footer-about{font-size:14px;line-height:1.85;color:rgba(245,243,238,.62);max-width:340px}
.footer-col h4{font-size:15px;color:var(--white-soft);margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(245,243,238,.72)}
.footer-col a:hover{color:var(--star-gold);text-decoration:none}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;align-items:flex-start}
.footer-contact i{color:var(--star-gold);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.55);
}
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--star-gold);color:var(--deep-900);border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;
  box-shadow:0 10px 24px rgba(18,16,43,.24);z-index:1040;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);background:var(--star-gold-deep);color:#fff}

@media (max-width:1199.98px){
  :root{--sp-section:72px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .metric-band{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:991.98px){
  :root{--sp-section:64px}
  body{font-size:16.5px}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-hover);padding:14px;
    grid-template-columns:repeat(2,1fr);gap:8px;
  }
  .nav-links.open{display:grid}
  .nav-card{justify-content:flex-start;padding:12px 14px;border:1px solid var(--line)}
  .nav-cta{display:none}
  .nav-panel{position:relative}
  .span-7,.span-5,.span-6,.span-4,.span-8{grid-column:span 12}
  .f-card--media{flex-direction:column}
  .f-card--media img{width:100%;aspect-ratio:16/9}
  .scene-row{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-section{padding:44px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  :root{--sp-section:44px}
  .container{padding:0 18px}
  .hero{padding:64px 0 56px}
  .hero-sub{font-size:17px}
  .section-title{font-size:24px}
  .trust-grid{grid-template-columns:1fr;gap:12px}
  .scene-row{grid-template-columns:1fr}
  .metric-band{grid-template-columns:1fr;gap:20px}
  .faq-item summary{font-size:15.5px;padding:18px 48px 18px 18px}
  .faq-answer{padding:0 18px 18px}
  table.cap-table th,table.cap-table td{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr}
  .btn-star,.btn-ghost,.btn-light-solid{width:100%}
  .hero-actions{gap:10px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .hero h1{font-size:27px}
  .brand__sub{display:none}
  .cta-section{padding:34px 20px;border-radius:16px}
}

/* roulang page: category1 */
:root{
  --bs-primary:#E9A73B;
  --bs-body-bg:#FAF9F5;
  --bs-body-color:#1A1830;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;

  --gold:#E9A73B;
  --gold-deep:#C9861A;
  --gold-light:#F6CE7A;
  --cyan:#3FB6C9;
  --cyan-deep:#2A8794;
  --pink:#D96A8B;

  --ink-900:#12102B;
  --ink-800:#1B1840;
  --ink-700:#272255;

  --paper:#FAF9F5;
  --paper-2:#F1EFE8;

  --text:#1A1830;
  --text-2:#5C5A73;
  --text-inv:#F5F3EE;
  --text-inv-2:rgba(245,243,238,.72);

  --line:rgba(18,16,43,.08);
  --line-strong:rgba(18,16,43,.14);
  --line-inv:rgba(245,243,238,.10);

  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-block:20px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(18,16,43,.06),0 6px 18px rgba(18,16,43,.06);
  --sh-2:0 10px 28px rgba(18,16,43,.14);
  --sh-dark:0 10px 28px rgba(0,0,0,.35);

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

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--gold-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;color:var(--text);line-height:1.3;margin:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}

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

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled{padding-top:8px;}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(250,249,245,.94);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled .nav-panel{
  box-shadow:0 8px 24px rgba(18,16,43,.10);
  background:rgba(250,249,245,.88);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,var(--gold),var(--gold-deep));
  color:#1A1830;font-size:16px;
  box-shadow:0 4px 12px rgba(233,167,59,.32);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:16px;font-weight:700;letter-spacing:.02em;}
.brand__sub{font-size:12px;color:var(--text-2);letter-spacing:.04em;}

.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;flex-wrap:wrap;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--text-2);
  padding:9px 13px;border-radius:11px;
  border:1px solid transparent;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.nav-card i{font-size:13px;color:var(--cyan);transition:color .2s ease;}
.nav-card:hover{background:rgba(233,167,59,.10);color:var(--text);transform:translateY(-1px);}
.nav-card.active{
  background:rgba(233,167,59,.16);
  color:var(--gold-deep);
  border-color:rgba(233,167,59,.34);
}
.nav-card.active i{color:var(--gold-deep);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:11px;
  border:1px solid var(--line-strong);
  background:#fff;
  color:var(--text);
  font-size:17px;
  align-items:center;justify-content:center;
  cursor:pointer;
}

/* ============ 按钮 ============ */
.btn-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--gold);
  color:#1A1830;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-star:hover{background:var(--gold-deep);color:#1A1830;transform:translateY(-2px);box-shadow:0 10px 22px rgba(201,134,26,.28);}
.btn-star:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--text);
  border:1px solid rgba(26,24,48,.35);
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(233,167,59,.14);border-color:var(--gold-deep);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-inv{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--text-inv);color:var(--ink-900);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.btn-inv:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.35);color:var(--ink-900);}
.btn-inv:active{transform:translateY(0);}
.btn-outline-inv{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;color:var(--text-inv);
  border:1px solid rgba(245,243,238,.42);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease;
}
.btn-outline-inv:hover{background:rgba(245,243,238,.10);color:var(--text-inv);transform:translateY(-2px);}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:26px;
  border-radius:var(--r-block);
  overflow:hidden;
  background:var(--ink-900);
  background-image:
    radial-gradient(90% 70% at 50% 0%,rgba(233,167,59,.14),rgba(233,167,59,0) 60%),
    radial-gradient(70% 60% at 85% 100%,rgba(63,182,201,.12),rgba(63,182,201,0) 65%),
    linear-gradient(rgba(18,16,43,.82),rgba(18,16,43,.9)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover,cover,cover;
  background-position:center;
  color:var(--text-inv);
}
.hero-inner{
  max-width:860px;
  margin:0 auto;
  padding:76px 24px 72px;
  text-align:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(233,167,59,.16);
  border:1px solid rgba(233,167,59,.34);
  color:var(--gold-light);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero h1{
  color:var(--text-inv);
  font-size:48px;
  line-height:1.25;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.hero-sub{
  font-size:18px;
  line-height:1.85;
  color:var(--text-inv-2);
  max-width:700px;
  margin:0 auto 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;
  margin-top:34px;padding-top:24px;
  border-top:1px solid var(--line-inv);
  font-size:13px;color:var(--text-inv-2);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--cyan);}

/* ============ 板块通用 ============ */
.section{padding:var(--pad-section) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--paper-2);}
.section--dark{background:var(--ink-900);color:var(--text-inv);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--cyan-deep);
  background:rgba(63,182,201,.14);
  border-radius:var(--r-pill);
  padding:5px 13px;margin-bottom:14px;
}
.section--dark .section-tag{color:var(--gold-light);background:rgba(233,167,59,.16);}
.section-head h2{
  font-size:32px;
  position:relative;
  padding-left:16px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:2px;background:linear-gradient(180deg,var(--cyan),var(--gold));
}
.section-head--center h2{padding-left:0;}
.section-head--center h2::before{display:none;}
.section--dark .section-head h2{color:var(--text-inv);}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.9;margin:0;}
.section--dark .section-head p{color:var(--text-inv-2);}

/* ============ 速览小卡 ============ */
.fact-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:-34px;
  position:relative;
  z-index:2;
}
.fact-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px 20px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.fact-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.fact-card i{
  width:40px;height:40px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(233,167,59,.14);color:var(--gold-deep);
  font-size:15px;margin-bottom:14px;
}
.fact-card h3{font-size:17px;margin-bottom:6px;}
.fact-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}

/* ============ 步骤列表 ============ */
.step-layout{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:start;
}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(233,167,59,.36);}
.step-num{
  font-size:34px;font-weight:700;line-height:1;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  padding-top:2px;
}
.step-item h3{font-size:19px;margin-bottom:8px;}
.step-item p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}
.step-note{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;font-size:13px;color:var(--cyan-deep);
  background:rgba(63,182,201,.12);
  border-radius:var(--r-pill);padding:4px 11px;
}
.step-aside{position:sticky;top:104px;}
.step-aside figure{margin:0;}
.step-aside img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);
  background:var(--paper-2);
  border:1px solid var(--line);
}
.step-aside figcaption{font-size:13px;color:var(--text-2);margin-top:10px;line-height:1.7;}
.aside-card{
  margin-top:22px;
  background:var(--ink-900);
  border-radius:var(--r-card);
  padding:26px 24px;
  color:var(--text-inv);
  box-shadow:var(--sh-dark);
}
.aside-card h3{color:var(--text-inv);font-size:18px;margin-bottom:12px;}
.aside-card ul{display:flex;flex-direction:column;gap:10px;}
.aside-card li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-inv-2);line-height:1.75;
}
.aside-card li i{color:var(--gold);font-size:13px;margin-top:.42em;}

/* ============ 资料表 ============ */
.table-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.route-table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
table.route-table caption{
  text-align:left;
  padding:22px 26px 0;
  font-size:15px;
  color:var(--text-2);
}
table.route-table th,table.route-table td{
  padding:16px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.route-table thead th{
  background:var(--paper-2);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
}
table.route-table tbody tr:nth-child(even){background:rgba(241,239,232,.5);}
table.route-table tbody tr:hover{background:rgba(233,167,59,.08);}
table.route-table tbody tr:last-child th,table.route-table tbody tr:last-child td{border-bottom:0;}
table.route-table td strong{color:var(--gold-deep);font-weight:600;}

/* ============ 提示卡与核对清单 ============ */
.check-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:start;
}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  transition:border-color .2s ease,transform .2s ease;
}
.check-list li:hover{border-color:rgba(63,182,201,.4);transform:translateY(-2px);}
.check-list li i{margin-top:.35em;color:var(--cyan);font-size:15px;flex:0 0 auto;}
.check-list li b{color:var(--text);font-weight:600;}
.tip-card{
  background:var(--paper-2);
  border-left:3px solid var(--cyan);
  border-radius:14px;
  padding:26px 28px;
  box-shadow:var(--sh-1);
}
.tip-card h3{font-size:19px;margin-bottom:12px;}
.tip-card p{font-size:15px;color:var(--text-2);line-height:1.85;}
.tip-card .tip-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--pink);
  background:rgba(217,106,139,.14);
  border-radius:var(--r-pill);
  padding:4px 11px;margin-bottom:14px;
}
.tip-card ol{margin:14px 0 0;padding-left:20px;font-size:15px;color:var(--text-2);line-height:1.9;}

/* ============ FAQ ============ */
.faq-acc{max-width:880px;margin:0 auto;}
.faq-acc .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card)!important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  background:#fff;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.7;
  padding:20px 22px;
  border:0;
  border-radius:var(--r-card)!important;
  box-shadow:none;
  position:relative;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--text);
  background:#fff;
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  background-image:none;
  content:"\f077";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  transform:none;
  color:var(--cyan-deep);
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--text-2);
  transition:color .2s ease;
}
.faq-acc .accordion-button:focus{outline:2px solid var(--cyan);outline-offset:-2px;box-shadow:none;}
.faq-acc .accordion-button:not(.collapsed){
  border-left:3px solid var(--cyan);
  padding-left:19px;
}
.faq-acc .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}

/* ============ CTA ============ */
.cta-band{
  background:
    radial-gradient(80% 90% at 12% 0%,rgba(233,167,59,.14),rgba(233,167,59,0) 58%),
    var(--ink-900);
  border-radius:var(--r-block);
  padding:52px 48px;
  color:var(--text-inv);
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.cta-band h2{color:var(--text-inv);font-size:30px;margin-bottom:14px;}
.cta-band p{color:var(--text-inv-2);font-size:16px;line-height:1.9;margin-bottom:24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-form{
  background:rgba(245,243,238,.05);
  border:1px solid var(--line-inv);
  border-radius:var(--r-card);
  padding:26px 24px;
}
.cta-form h3{color:var(--text-inv);font-size:17px;margin-bottom:6px;}
.cta-form .form-hint{font-size:13px;color:var(--text-inv-2);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{
  display:block;font-size:13px;color:var(--text-inv-2);margin-bottom:7px;
}
.field input,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(245,243,238,.22);
  background:rgba(18,16,43,.5);
  color:var(--text-inv);
  font-size:15px;
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(245,243,238,.4);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(233,167,59,.18);
}
.cta-form .btn-inv{width:100%;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:var(--text-inv-2);
  margin-top:88px;
  padding:64px 0 30px;
  position:relative;
  background-image:radial-gradient(60% 80% at 85% 0%,rgba(63,182,201,.10),rgba(63,182,201,0) 60%);
  background-repeat:no-repeat;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid var(--line-inv);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__name{color:var(--text-inv);}
.footer-brand .brand__sub{color:var(--text-inv-2);}
.footer-about{font-size:14px;line-height:1.9;color:var(--text-inv-2);margin:0;max-width:36em;}
.footer-col h4{font-size:15px;color:var(--text-inv);margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-inv-2);}
.footer-col a:hover{color:var(--gold);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.75;color:var(--text-inv-2);
}
.footer-contact i{color:var(--cyan);font-size:13px;margin-top:.4em;flex:0 0 auto;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:rgba(245,243,238,.56);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:26px;
  width:44px;height:44px;
  border-radius:50%;
  border:0;
  background:var(--gold);
  color:var(--ink-900);
  font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(201,134,26,.35);
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  cursor:pointer;
  z-index:1040;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--gold-deep);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{justify-content:flex-start;}
}
@media (max-width:991px){
  :root{--pad-section:64px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-panel{flex-wrap:wrap;}
  .nav-links{
    display:none;
    width:100%;
    grid-template-columns:1fr 1fr;
    gap:8px;
    padding-top:12px;
    margin-top:6px;
    border-top:1px solid var(--line);
  }
  .nav-links.is-open{display:grid;}
  .nav-card{
    justify-content:flex-start;
    padding:12px 14px;
    background:var(--paper-2);
    border-color:var(--line);
  }
  .hero h1{font-size:38px;}
  .fact-band{grid-template-columns:repeat(2,1fr);margin-top:26px;}
  .step-layout{grid-template-columns:1fr;gap:32px;}
  .step-aside{position:static;}
  .check-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--pad-section:44px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .hero-inner{padding:52px 20px 48px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .btn-star,.btn-ghost,.btn-inv,.btn-outline-inv{height:46px;padding:0 18px;font-size:15px;width:100%;}
  .hero-actions > *{width:100%;}
  .section-head h2{font-size:25px;}
  .fact-band{grid-template-columns:1fr;}
  .step-item{grid-template-columns:1fr;gap:10px;padding:20px;}
  .step-num{font-size:28px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-band h2{font-size:24px;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:575px){
  .nav-links{grid-template-columns:1fr;}
  .hero h1{font-size:26px;}
  table.route-table{font-size:14px;}
  table.route-table th,table.route-table td{padding:13px 16px;}
}

/* roulang page: category3 */
:root{
  --gold:#E9A73B;
  --gold-deep:#C9861A;
  --gold-light:#F6CE7A;
  --cyan:#3FB6C9;
  --cyan-deep:#2A8794;
  --ink:#1A1830;
  --ink-2:#5C5A73;
  --deep:#12102B;
  --deep-2:#1B1840;
  --deep-3:#272255;
  --paper:#FAF9F5;
  --paper-2:#F1EFE8;
  --white:#F5F3EE;
  --pink:#D96A8B;
  --line:rgba(18,16,43,.08);
  --line-strong:rgba(18,16,43,.14);
  --line-dark:rgba(245,243,238,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-deep:20px;
  --r-badge:999px;
  --sh-1:0 1px 2px rgba(18,16,43,.06),0 6px 18px rgba(18,16,43,.06);
  --sh-2:0 10px 28px rgba(18,16,43,.14);
  --sh-dark:0 12px 30px rgba(0,0,0,.35);
  --sec-pad:88px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:700;line-height:1.3;margin:0;color:var(--ink);letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--gold-deep);text-decoration:none;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:16px 0;
  transition:background-color .25s ease,backdrop-filter .25s ease,padding .25s ease;
}
.site-header.is-scrolled{
  background:rgba(250,249,245,.88);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  padding:10px 0;
  box-shadow:0 1px 0 rgba(18,16,43,.06);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--deep-3),var(--deep));
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  box-shadow:inset 0 0 0 1px rgba(233,167,59,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:16px;font-weight:700;color:var(--ink);}
.brand__sub{font-size:12px;color:var(--ink-2);letter-spacing:.06em;}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  font-size:14px;font-weight:500;color:var(--ink);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-card i{font-size:13px;color:var(--cyan-deep);}
.nav-card:hover{background:rgba(233,167,59,.10);color:var(--gold-deep);transform:translateY(-1px);}
.nav-card.active{background:rgba(233,167,59,.16);color:var(--gold-deep);font-weight:600;}
.nav-card.active i{color:var(--gold-deep);}

.nav-cta{flex-shrink:0;}

.btn-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--gold);
  color:var(--ink);
  font-size:16px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-star:hover{background:var(--gold-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-star:active{transform:translateY(0);}
.btn-star.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-btn);
  background:transparent;
  border:1px solid var(--ink);
  color:var(--ink);
  font-size:16px;font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(233,167,59,.14);border-color:var(--gold-deep);color:var(--gold-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}

.btn-light-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--white);color:var(--deep);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-light-star:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.35);color:var(--deep);}
.btn-outline-light-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;color:var(--white);
  border:1px solid rgba(245,243,238,.42);
  font-size:16px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.btn-outline-light-star:hover{background:rgba(245,243,238,.12);border-color:var(--white);color:#fff;transform:translateY(-2px);}

.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(233,167,59,.14);
  border:1px solid transparent;
  color:var(--gold-deep);font-size:17px;
  cursor:pointer;flex-shrink:0;
  margin-left:auto;
}
.nav-toggle:hover{background:rgba(233,167,59,.24);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-color:var(--deep);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:96px 0 88px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,43,.86),rgba(18,16,43,.93));
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(58% 52% at 50% 10%,rgba(233,167,59,.14),transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:840px;margin:0 auto;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-badge);
  background:rgba(63,182,201,.16);
  color:#8FE0EC;
  font-size:13px;letter-spacing:.04em;
  border:1px solid rgba(63,182,201,.30);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(28px,4vw,50px);
  line-height:1.25;
  color:var(--white);
  margin-bottom:20px;
}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.8;
  color:rgba(245,243,238,.72);
  max-width:700px;margin:0 auto 32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:46px;}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.trust-card{
  background:rgba(39,34,85,.55);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:18px 16px;
  text-align:left;
  box-shadow:var(--sh-dark);
  transition:transform .2s ease,border-color .2s ease;
}
.trust-card:hover{transform:translateY(-2px);border-color:rgba(233,167,59,.35);}
.trust-card i{color:var(--gold);font-size:18px;margin-bottom:10px;display:block;}
.trust-card strong{display:block;color:var(--white);font-size:15px;font-weight:600;margin-bottom:4px;}
.trust-card span{color:rgba(245,243,238,.66);font-size:13px;line-height:1.6;display:block;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section--tight{padding:72px 0;}
.section--paper2{background:var(--paper-2);}
.section--deep{
  background:var(--deep-2);
  color:rgba(245,243,238,.86);
  position:relative;
}
.section--deep::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(40% 40% at 88% 6%,rgba(63,182,201,.12),transparent 70%);
  pointer-events:none;
}
.section--deep > .container{position:relative;z-index:2;}
.section--deep h2,.section--deep h3{color:var(--white);}

.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-title{font-size:clamp(24px,3vw,34px);}
.sec-title::before{
  content:"";display:block;width:28px;height:3px;border-radius:2px;
  background:var(--cyan);margin-bottom:14px;
}
.sec-head--center .sec-title::before{margin-left:auto;margin-right:auto;}
.sec-desc{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.section--deep .sec-desc{color:rgba(245,243,238,.70);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;top:27px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(63,182,201,.35),rgba(233,167,59,.55));
}
.tl-node{position:relative;text-align:center;}
.tl-dot{
  width:54px;height:54px;border-radius:50%;
  background:#fff;
  border:2px solid var(--cyan);
  color:var(--gold-deep);
  font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;
  position:relative;z-index:2;
  box-shadow:var(--sh-1);
  font-variant-numeric:tabular-nums;
}
.tl-node h3{font-size:17px;margin-bottom:8px;}
.tl-node p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0;}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split + .split{margin-top:72px;}
.split.reverse .split__media{order:2;}
.split__media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);
  background:var(--paper-2);
  box-shadow:var(--sh-1);
}
.split__tag{
  display:inline-block;padding:5px 13px;border-radius:var(--r-badge);
  background:rgba(63,182,201,.14);color:var(--cyan-deep);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.split h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:16px;}
.split__text > p{color:var(--ink-2);}
.point-list{margin-top:20px;display:grid;gap:14px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;line-height:1.75;color:var(--ink);
}
.point-list li i{color:var(--gold-deep);font-size:15px;margin-top:6px;flex-shrink:0;}

/* ---------- 表格资料 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.data-table{width:100%;border-collapse:separate;border-spacing:0;min-width:720px;}
table.data-table thead th{
  background:var(--deep-2);color:var(--white);
  font-size:14px;font-weight:600;letter-spacing:.03em;
  padding:16px 20px;text-align:left;white-space:nowrap;
}
table.data-table tbody td{
  padding:16px 20px;font-size:15px;color:var(--ink);
  border-top:1px solid var(--line);
  vertical-align:top;
  line-height:1.75;
}
table.data-table tbody tr:nth-child(even){background:var(--paper-2);}
table.data-table tbody tr:hover{background:rgba(233,167,59,.08);}
table.data-table td:first-child{font-weight:600;white-space:nowrap;}
table.data-table td:nth-child(2){color:var(--ink-2);}
.table-tip{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:20px;padding:18px 20px;
  background:var(--paper-2);
  border-left:3px solid var(--cyan);
  border-radius:12px;
  font-size:14px;color:var(--ink-2);line-height:1.8;
}
.table-tip i{color:var(--cyan-deep);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px !important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);
  background:#fff;
  padding:18px 22px;
  box-shadow:none !important;
  border-radius:14px !important;
}
.accordion-button:not(.collapsed){
  color:var(--gold-deep);
  background:rgba(233,167,59,.07);
  box-shadow:inset 3px 0 0 var(--cyan) !important;
}
.accordion-button::after{
  background-image:none !important;
  content:"";
  width:10px;height:10px;
  border-right:1.6px solid var(--ink-2);
  border-bottom:1.6px solid var(--ink-2);
  transform:rotate(45deg);
  margin-left:auto;
  transition:transform .25s ease,border-color .25s ease;
  flex-shrink:0;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--gold-deep);
}
.accordion-body{
  padding:4px 22px 22px 22px;
  font-size:15px;color:var(--ink-2);line-height:1.85;
}

/* ---------- 相关说明入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  display:block;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(233,167,59,.45);}
.entry-card__icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(233,167,59,.14);color:var(--gold-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:18px;
}
.entry-card h3{font-size:19px;margin-bottom:10px;}
.entry-card p{font-size:15px;color:var(--ink-2);line-height:1.75;margin-bottom:16px;}
.entry-card .entry-more{font-size:14px;font-weight:600;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px;}
.entry-card:hover .entry-more{gap:10px;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--deep) 0%,var(--deep-3) 100%);
  border-radius:var(--r-deep);
  padding:48px;
  box-shadow:var(--sh-dark);
  border:1px solid var(--line-dark);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(45% 60% at 90% 10%,rgba(233,167,59,.14),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:start;}
.cta-band h2{color:var(--white);font-size:clamp(22px,2.6vw,30px);margin-bottom:16px;}
.cta-band p{color:rgba(245,243,238,.72);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

.cta-form{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:24px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:rgba(245,243,238,.74);margin-bottom:8px;}
.form-control,.form-select{
  width:100%;height:48px;
  border-radius:12px;
  border:1px solid rgba(18,16,43,.14);
  background:#fff;color:var(--ink);
  font-size:15px;padding:0 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control:focus,.form-select:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(233,167,59,.18);
}
.form-control::placeholder{color:#9C9AAD;}
.form-note{margin-top:12px;font-size:13px;color:rgba(245,243,238,.62);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(245,243,238,.72);
  padding:72px 0 28px;
  position:relative;
}
.site-footer::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(38% 40% at 8% 0%,rgba(63,182,201,.10),transparent 70%);
  pointer-events:none;
}
.site-footer > .container{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand__mark{background:linear-gradient(140deg,var(--deep-3),var(--deep-2));}
.footer-brand .brand__name{color:var(--white);}
.footer-brand .brand__sub{color:rgba(245,243,238,.56);}
.footer-about{font-size:14px;line-height:1.85;color:rgba(245,243,238,.66);max-width:360px;}
.footer-col h4{color:var(--white);font-size:15px;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(245,243,238,.72);}
.footer-col a:hover{color:var(--gold);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(245,243,238,.66);}
.footer-contact i{color:var(--gold);margin-top:6px;flex-shrink:0;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.56);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;
  width:44px;height:44px;border-radius:50%;
  background:var(--gold);color:var(--ink);
  border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--gold-deep);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-pad:72px;}
  .nav-card{padding:8px 10px;font-size:13px;}
  .nav-links{gap:2px;}
  .cta-grid{grid-template-columns:1fr 380px;gap:36px;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-links{
    display:none;
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-2);
    padding:12px;
    grid-template-columns:repeat(2,1fr);
    gap:8px;
    margin-left:0;
  }
  .nav-links.open{display:grid;}
  .nav-card{justify-content:flex-start;padding:12px 14px;font-size:14px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split__media{order:0;}
  .split + .split{margin-top:56px;}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:32px;}
  .timeline::before{display:none;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .entry-grid{grid-template-columns:1fr;gap:18px;}
}
@media (max-width:767px){
  :root{--sec-pad:44px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .hero{padding:64px 0 56px;}
  .hero-cta{margin-bottom:34px;}
  .hero-cta .btn-star,.hero-cta .btn-outline-light-star{width:100%;}
  .trust-grid{grid-template-columns:1fr;gap:12px;}
  .timeline{grid-template-columns:1fr;gap:24px;}
  .tl-node{text-align:left;padding-left:72px;min-height:54px;}
  .tl-dot{position:absolute;left:0;top:0;margin:0;width:50px;height:50px;font-size:16px;}
  .tl-node h3{margin-top:6px;}
  .section--tight{padding:52px 0;}
  .cta-band{padding:28px 20px;}
  .cta-form{padding:20px;}
  .cta-actions .btn-star,.cta-actions .btn-outline-light-star{width:100%;}
  .accordion-button{padding:16px 16px;font-size:15px;}
  .accordion-body{padding:4px 16px 18px 16px;}
  table.data-table thead th,table.data-table tbody td{padding:14px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .brand__sub{display:none;}
  .sec-title{font-size:23px;}
  .nav-links{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --star-gold:#E9A73B;
  --star-gold-deep:#C9861A;
  --star-gold-light:#F6CE7A;
  --star-cyan:#3FB6C9;
  --star-cyan-deep:#2A8794;
  --nebula-pink:#D96A8B;
  --ink:#1A1830;
  --ink-2:#5C5A73;
  --paper:#FAF9F5;
  --paper-2:#F1EFE8;
  --deep:#12102B;
  --deep-2:#1B1840;
  --deep-3:#272255;
  --line:rgba(18,16,43,.08);
  --line-strong:rgba(18,16,43,.14);
  --line-dark:rgba(245,243,238,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --pad-x:24px;
  --shadow-1:0 1px 2px rgba(18,16,43,.06),0 6px 18px rgba(18,16,43,.06);
  --shadow-2:0 10px 28px rgba(18,16,43,.14);
  --shadow-dark:0 10px 28px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease}
a:hover{color:var(--star-gold-deep);text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--star-cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--pad-x)}
section{scroll-margin-top:110px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--paper-2)}
.section--plain{background:#fff}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding:14px 0;transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease}
.site-header.is-scrolled{background:rgba(250,249,245,.84);backdrop-filter:blur(12px);box-shadow:0 6px 20px rgba(18,16,43,.07)}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--star-gold-light),var(--star-gold));
  color:#1A1830;font-size:16px;box-shadow:0 4px 12px rgba(233,167,59,.32)
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:16px;font-weight:700;letter-spacing:.5px}
.brand__sub{font-size:12px;color:var(--ink-2)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;font-size:14.5px;color:var(--ink-2);
  border:1px solid transparent;transition:.2s ease
}
.nav-card i{font-size:13px;color:var(--star-cyan-deep)}
.nav-card:hover{background:rgba(233,167,59,.10);color:var(--ink);transform:translateY(-1px)}
.nav-card.active{background:rgba(233,167,59,.16);border-color:rgba(233,167,59,.42);color:var(--star-gold-deep);font-weight:600}
.nav-card.active i{color:var(--star-gold-deep)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper);color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(233,167,59,.12)}

/* ---------- buttons ---------- */
.btn-star,.btn-ghost,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-star{background:var(--star-gold);color:#1A1830;box-shadow:0 6px 16px rgba(233,167,59,.28)}
.btn-star:hover{background:var(--star-gold-deep);color:#1A1830;transform:translateY(-2px)}
.btn-star:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(26,24,48,.28);color:var(--ink)}
.btn-ghost:hover{background:rgba(233,167,59,.14);color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#F5F3EE;color:var(--deep)}
.btn-light:hover{background:#fff;color:var(--deep);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.35);color:#F5F3EE}
.btn-ghost-light:hover{background:rgba(245,243,238,.12);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:15px;border-radius:var(--r-btn)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#F5F3EE;text-align:center;
  padding:84px 0 76px;border-radius:0 0 20px 20px;
  background-image:linear-gradient(rgba(18,16,43,.80),rgba(18,16,43,.90)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:-10% -10% auto -10%;height:70%;
  background:radial-gradient(circle at 50% 40%,rgba(233,167,59,.12),transparent 62%);
  pointer-events:none;
}
.hero__inner{position:relative;max-width:840px;margin:0 auto}
.hero h1{
  font-size:clamp(28px,4.4vw,48px);line-height:1.25;font-weight:700;margin:18px 0 16px;color:#F7F5F0
}
.hero__lead{font-size:19px;line-height:1.8;color:rgba(245,243,238,.74);max-width:680px;margin:0 auto 28px}
.hero .btn-row{justify-content:center}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  background:rgba(233,167,59,.16);color:var(--star-gold-light);border:1px solid rgba(233,167,59,.34)
}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px;text-align:left}
.trust-card{
  background:rgba(27,24,64,.72);border:1px solid var(--line-dark);border-radius:16px;
  padding:18px 20px;box-shadow:var(--shadow-dark)
}
.trust-card i{color:var(--star-gold);font-size:18px}
.trust-card strong{display:block;font-size:15px;margin:10px 0 4px;color:#F5F3EE}
.trust-card span{font-size:13.5px;line-height:1.7;color:rgba(245,243,238,.66)}

/* ---------- section head ---------- */
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  position:relative;padding-left:18px;margin:0 0 14px;
  font-size:clamp(23px,2.6vw,31px);font-weight:700;line-height:1.35
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.34em;width:5px;height:1.05em;
  border-radius:3px;background:var(--star-cyan)
}
.section-head p{margin:0;color:var(--ink-2);font-size:16.5px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center h2{padding-left:0}
.section-head--center h2::before{position:static;display:block;width:34px;height:4px;margin:0 auto 16px}

/* ---------- scene scroller ---------- */
.scene-scroller{
  display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch
}
.scene-scroller::-webkit-scrollbar{height:8px}
.scene-scroller::-webkit-scrollbar-track{background:var(--paper-2);border-radius:999px}
.scene-scroller::-webkit-scrollbar-thumb{background:rgba(233,167,59,.55);border-radius:999px}
.scene-card{
  flex:0 0 336px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(233,167,59,.4)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--paper-2)}
.scene-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-card h3{margin:2px 0 0;font-size:19px;line-height:1.45}
.scene-card p{margin:0;font-size:15px;line-height:1.75;color:var(--ink-2)}
.mini-list{list-style:none;margin:4px 0 0;padding:0}
.mini-list li{position:relative;padding-left:16px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.mini-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--star-cyan)}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(233,167,59,.14);color:var(--star-gold-deep)
}
.tag--cyan{background:rgba(63,182,201,.14);color:var(--star-cyan-deep)}
.tag--pink{background:rgba(217,106,139,.14);color:#B44C6C}
.scroll-hint{font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px;margin-top:4px}
.scroll-hint i{color:var(--star-gold)}

/* ---------- case band ---------- */
.case-band{background:var(--deep);color:#F5F3EE;padding:88px 0;border-radius:20px}
.case-band .section-head h2{color:#F7F5F0}
.case-band .section-head p{color:rgba(245,243,238,.7)}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{
  position:relative;background:var(--deep-2);border:1px solid var(--line-dark);
  border-radius:16px;padding:34px 28px 26px;box-shadow:var(--shadow-dark)
}
.quote-mark{position:absolute;top:2px;left:20px;font-size:68px;line-height:1;color:rgba(217,106,139,.26);font-family:Georgia,serif}
.quote-card blockquote{margin:14px 0 20px;font-size:16.5px;line-height:1.85;color:rgba(245,243,238,.86)}
.quote-meta{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line-dark);padding-top:16px}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:rgba(233,167,59,.18);color:var(--star-gold-light);font-weight:700
}
.quote-meta strong{display:block;font-size:15px;color:#F5F3EE}
.quote-meta em{font-style:normal;font-size:13px;color:rgba(245,243,238,.6)}
.metric-row{display:flex;gap:32px;margin-top:20px;flex-wrap:wrap}
.metric b{display:block;font-size:32px;font-weight:700;color:var(--star-gold);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{font-size:13px;color:rgba(245,243,238,.62)}

/* ---------- role index ---------- */
.role-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:32px;align-items:start}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:28px;box-shadow:var(--shadow-1)
}
.panel h3{margin:0 0 6px;font-size:20px}
.panel > p{margin:0 0 18px;color:var(--ink-2);font-size:15px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud .tag{padding:8px 15px;font-size:13.5px;font-weight:600;cursor:default;transition:.2s}
.tag-cloud .tag:hover{transform:translateY(-2px)}
.index-list{list-style:none;margin:0;padding:0}
.index-list li + li{margin-top:10px}
.index-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--paper);
  font-size:15.5px;color:var(--ink)
}
.index-list a i{color:var(--star-cyan);font-size:13px}
.index-list a:hover{border-color:rgba(233,167,59,.5);background:#fff;color:var(--star-gold-deep);transform:translateX(3px)}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-1)}
table.scene-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
table.scene-table th{
  background:var(--paper-2);text-align:left;padding:16px 20px;font-size:13.5px;
  font-weight:700;color:var(--ink);white-space:nowrap
}
table.scene-table td{padding:16px 20px;border-top:1px solid var(--line);color:var(--ink-2);line-height:1.75}
table.scene-table tbody tr:nth-child(even){background:#FCFBF8}
table.scene-table tbody tr:hover{background:rgba(233,167,59,.06)}
table.scene-table a{color:var(--star-gold-deep);font-weight:600;border-bottom:2px solid rgba(233,167,59,.35)}
table.scene-table a:hover{border-bottom-color:var(--star-gold)}

/* ---------- faq ---------- */
.faq-list{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease
}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(63,182,201,.34)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  min-height:58px;transition:background-color .2s ease
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(233,167,59,.08)}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--star-cyan)}
.faq-item .chev{color:var(--star-cyan);font-size:13px;transition:transform .25s ease;flex-shrink:0}
.faq-item[open] .chev{transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta-band{background:var(--deep);color:#F5F3EE;padding:76px 0;border-radius:20px}
.cta-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-inner h2{margin:0 0 14px;font-size:clamp(23px,2.6vw,30px);line-height:1.35;color:#F7F5F0}
.cta-inner p{margin:0 0 24px;color:rgba(245,243,238,.72);font-size:16px}
.cta-form{background:var(--deep-2);border:1px solid var(--line-dark);border-radius:16px;padding:26px;box-shadow:var(--shadow-dark)}
.cta-form label{display:block;font-size:14px;color:rgba(245,243,238,.72);margin-bottom:8px}
.cta-form input,.cta-form textarea{
  width:100%;border-radius:12px;border:1px solid rgba(245,243,238,.22);
  background:rgba(18,16,43,.55);color:#F5F3EE;padding:13px 14px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease
}
.cta-form input{height:48px;padding:0 14px}
.cta-form textarea{min-height:96px;resize:vertical;line-height:1.7}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(245,243,238,.42)}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--star-gold);box-shadow:0 0 0 3px rgba(233,167,59,.18)
}
.cta-form .field + .field{margin-top:16px}
.form-hint{margin:12px 0 0;font-size:13px;color:rgba(245,243,238,.55)}
.cta-form .btn-star{width:100%;margin-top:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(245,243,238,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__name{color:#F5F3EE}
.footer-brand .brand__sub{color:rgba(245,243,238,.6)}
.footer-about{margin:0;font-size:14.5px;line-height:1.85;color:rgba(245,243,238,.62);max-width:400px}
.footer-col h4{margin:0 0 16px;font-size:15px;color:#F5F3EE;font-weight:700;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(245,243,238,.68)}
.footer-col a:hover{color:var(--star-gold)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(245,243,238,.66);line-height:1.7}
.footer-contact i{color:var(--star-gold);margin-top:5px;font-size:12px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(245,243,238,.5)
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--star-gold);color:#1A1830;border:0;display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(18,16,43,.28);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .2s ease;z-index:1040
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--star-gold-deep);transform:translateY(-2px)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);padding:18px 0 0}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--star-gold-deep)}
.crumb span.sep{color:rgba(26,24,48,.34)}
.crumb .now{color:var(--ink-2)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .scene-card{flex:0 0 312px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-contact{display:flex;flex-wrap:wrap;gap:8px 26px}
  .footer-contact li + li{margin-top:0}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .case-band,.cta-band{padding:64px 0;border-radius:0}
  .nav-panel{flex-wrap:wrap;gap:12px}
  .nav-toggle{display:flex;margin-left:auto;order:2}
  .nav-links{
    display:none;order:4;width:100%;margin:4px 0 0;
    grid-template-columns:repeat(2,minmax(0,1fr));gap:8px
  }
  .nav-panel.nav-open .nav-links{display:grid}
  .nav-card{justify-content:flex-start;background:var(--paper);border-color:var(--line);padding:12px 14px;min-height:44px}
  .nav-cta{display:none}
  .brand{margin-right:0}
  .quote-grid{grid-template-columns:1fr}
  .role-wrap{grid-template-columns:1fr}
  .trust-row{grid-template-columns:1fr;gap:12px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:auto}
  .footer-about{max-width:none}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:44px 0}
  .hero{padding:56px 0 48px;border-radius:0}
  .hero__lead{font-size:16.5px}
  .scene-card{flex:0 0 82%}
  .quote-card{padding:28px 22px 22px}
  .quote-card blockquote{font-size:15.5px}
  .metric-row{gap:22px}
  .metric b{font-size:27px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-form{padding:22px}
  .crumb{padding-top:12px}
}
@media (max-width:575.98px){
  :root{--pad-x:16px}
  .nav-links{grid-template-columns:1fr}
  .nav-panel{padding:10px 12px}
  .btn-star,.btn-ghost,.btn-light{width:100%}
  .btn-row{flex-direction:column}
  .hero .btn-row{flex-direction:column}
  .scene-card{flex:0 0 88%}
  .footer-grid{grid-template-columns:1fr}
}