/* roulang page: index */
:root{
  --ink-900:#0D0B12;
  --ink-800:#151221;
  --ink-700:#1E1A2C;
  --ink-600:#2A2540;
  --moon-50:#FAF7F0;
  --moon-100:#F1ECE2;
  --moon-200:#E2DBCC;
  --star-gold:#D9A441;
  --star-gold-soft:#F0C878;
  --nebula:#6C5CE0;
  --teal:#7FD3C7;
  --text:#1A1626;
  --text-muted:#5B5566;
  --text-light:#F2EEE6;
  --text-light-muted:#B8B2C6;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-md:0 12px 32px -12px rgba(13,11,18,.28);
  --shadow-lg:0 24px 48px -28px rgba(13,11,18,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--moon-50);
  -webkit-font-smoothing:antialiased;
  line-break:strict;
  word-break:normal;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--star-gold);outline-offset:2px}
::selection{background:rgba(217,164,65,.32)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

.section{padding:120px 0;position:relative}
.section-dark{background:var(--ink-900);color:var(--text-light)}
.section-tight{padding:96px 0}
@media (max-width:1024px){.section{padding:88px 0}.section-tight{padding:72px 0}}
@media (max-width:768px){.section{padding:60px 0}.section-tight{padding:56px 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;font-weight:600;
  color:var(--star-gold);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--star-gold);display:inline-block}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.section-title{font-size:clamp(28px,3.4vw,44px);line-height:1.15;font-weight:700;letter-spacing:-.01em;max-width:22ch}
.section-desc{margin-top:14px;font-size:15px;line-height:1.9;color:var(--text-muted);max-width:40ch}
.section-dark .section-desc{color:var(--text-light-muted)}
.lead{font-size:17px;line-height:1.9;color:var(--text-muted);max-width:40ch}
.section-dark .lead{color:var(--text-light-muted)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:14px 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform 220ms var(--ease)}
.btn-gold{background:var(--star-gold);color:#12101A;box-shadow:0 8px 20px -12px rgba(217,164,65,.7)}
.btn-gold:hover{background:var(--star-gold-soft);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(217,164,65,.65)}
.btn-gold:hover svg{transform:translateX(4px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:var(--text-light)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--moon-200);color:var(--text)}
.btn-outline:hover{background:var(--moon-100);border-color:#CFC5B0;transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--star-gold);position:relative;
}
.text-link svg{width:15px;height:15px;transition:transform 220ms var(--ease)}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform 260ms var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}
.text-link:hover svg{transform:translateX(4px)}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(13,11,18,.28);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:background 260ms var(--ease),height 260ms var(--ease),box-shadow 260ms var(--ease);
}
.site-header.is-scrolled{background:rgba(13,11,18,.94);box-shadow:var(--shadow-md)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height 260ms var(--ease)}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:24px;height:24px;flex-shrink:0}
.brand-mark path,.brand-mark line{stroke:var(--star-gold);stroke-width:1.5;fill:none;stroke-linejoin:round}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-light);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-light);
  padding:6px 0;transition:color 220ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--star-gold);transform:scaleX(0);transform-origin:left;
  transition:transform 260ms var(--ease);
}
.nav-link:hover{color:var(--star-gold-soft)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600;color:var(--star-gold-soft)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.18);
  border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.36)}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-light);transition:transform 260ms var(--ease),opacity 200ms var(--ease)}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(13,11,18,.98);
  transform:translateX(100%);transition:transform 340ms var(--ease);
  display:flex;flex-direction:column;padding:104px 24px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;gap:16px;padding:20px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:20px;font-weight:600;color:var(--text-light);
  transition:color 220ms var(--ease);
}
.drawer-nav a:hover{color:var(--star-gold-soft)}
.drawer-nav .num{font-family:var(--font-num);font-size:13px;font-weight:800;color:var(--star-gold);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.drawer-foot{margin-top:auto;padding-top:32px}
@media (min-width:1025px){.drawer{display:none}}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--text-light);
  padding:150px 0 96px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,11,18,.72),rgba(13,11,18,.94));
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(420px 320px at 14% 22%,rgba(217,164,65,.10),transparent 70%),
    radial-gradient(360px 280px at 82% 12%,rgba(217,164,65,.08),transparent 72%),
    radial-gradient(300px 240px at 68% 82%,rgba(108,92,224,.10),transparent 75%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start;
}
.hero-copy{padding-top:8px}
.hero h1{
  margin-top:22px;
  font-size:clamp(38px,5.4vw,68px);
  line-height:1.08;font-weight:800;letter-spacing:-.02em;
  max-width:16ch;color:#FFFDF7;
}
.hero-sub{
  margin-top:24px;font-size:17px;line-height:1.9;color:var(--text-light-muted);max-width:34ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:40px;margin-top:48px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-metric .val{
  font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--star-gold);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-metric .lbl{font-size:13px;letter-spacing:.04em;color:var(--text-light-muted);margin-top:4px}
.hero-media{position:relative;margin-top:24px}
.hero-media .frame{
  border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 40px rgba(13,11,18,.35),inset 0 1px 0 rgba(255,255,255,.08);
  background:var(--ink-800);
}
.hero-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
.hero-glass{
  position:absolute;left:16px;right:16px;bottom:-28px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  padding:16px 18px;border-radius:var(--radius-md);
  background:rgba(21,18,33,.82);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 40px rgba(13,11,18,.35);
}
.hero-glass div{text-align:center}
.hero-glass .v{font-family:var(--font-num);font-size:18px;font-weight:800;color:var(--star-gold);font-variant-numeric:tabular-nums}
.hero-glass .k{font-size:12px;letter-spacing:.04em;color:var(--text-light-muted);margin-top:2px}
@media (max-width:1024px){
  .hero{padding:132px 0 88px}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero-media{margin-top:0}
  .hero-media .frame{max-width:640px}
  .hero h1{max-width:20ch}
}
@media (max-width:768px){
  .hero{padding:118px 0 72px}
  .hero-glass{position:static;margin-top:16px;left:auto;right:auto;bottom:auto}
  .hero-metrics{gap:28px}
}

/* 服务编号列表 */
.svc-list{border-bottom:1px solid rgba(255,255,255,.10)}
.svc-item{
  position:relative;display:grid;grid-template-columns:72px 1fr auto;gap:24px;align-items:center;
  padding:30px 20px;border-top:1px solid rgba(255,255,255,.10);
  transition:background 220ms var(--ease),padding-left 220ms var(--ease);
}
.svc-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:40px;background:var(--star-gold);border-radius:2px;
  transition:width 220ms var(--ease);
}
.svc-item:hover{background:rgba(255,255,255,.04);padding-left:32px}
.svc-item:hover::before{width:40px}
.svc-num{
  font-family:var(--font-num);font-size:30px;font-weight:800;color:var(--star-gold);
  opacity:.35;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1;
}
.svc-title{font-size:19px;font-weight:600;color:#FFFDF7}
.svc-desc{margin-top:6px;font-size:15px;line-height:1.8;color:var(--text-light-muted);max-width:60ch}
.svc-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:var(--star-gold);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.svc-arrow svg{width:16px;height:16px}
.svc-item:hover .svc-arrow{transform:translateX(4px);border-color:rgba(217,164,65,.6);background:rgba(217,164,65,.10)}
@media (max-width:768px){
  .svc-item{grid-template-columns:54px 1fr;gap:16px;padding:24px 12px}
  .svc-item:hover{padding-left:12px}
  .svc-arrow{display:none}
  .svc-num{font-size:24px}
}

/* 数据窄带 */
.stats-band{background:var(--ink-800);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:52px 24px;text-align:left;border-left:1px solid rgba(255,255,255,.12)}
.stat:first-child{border-left:0;padding-left:0}
.stat:last-child{padding-right:0}
.stat .v{font-family:var(--font-num);font-size:clamp(34px,3.4vw,52px);font-weight:800;color:var(--star-gold);line-height:1.05;font-variant-numeric:tabular-nums}
.stat .k{margin-top:10px;font-size:13px;letter-spacing:.04em;color:var(--text-light-muted);line-height:1.7}
@media (max-width:900px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:36px 20px;border-left:1px solid rgba(255,255,255,.12)}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:last-child{padding-right:20px}
}

/* 路径节点卡 */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.path-card{
  position:relative;background:#fff;border:1px solid var(--moon-200);border-radius:var(--radius-md);
  padding:32px 24px 28px;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D6CBB6}
.path-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:rgba(217,164,65,.12);
  font-family:var(--font-num);font-size:15px;font-weight:800;color:#A87823;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.path-card h3{margin-top:20px;font-size:18px;font-weight:600}
.path-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-muted)}
.path-line{display:flex;align-items:center;gap:10px;margin-top:32px}
.path-line .bar{flex:1;height:3px;border-radius:2px;background:var(--moon-200);overflow:hidden}
.path-line .bar span{display:block;height:100%;background:var(--star-gold);border-radius:2px;width:0;transition:width 900ms var(--ease)}
.path-line .bar.is-on span{width:100%}
.path-line .cap{font-size:13px;letter-spacing:.04em;color:var(--text-muted);white-space:nowrap}
@media (max-width:1024px){.path-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.path-grid{grid-template-columns:1fr}}

/* 图文交替 */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.split + .split{margin-top:88px}
.split.reverse .split-media{order:2}
.split-media{border-radius:12px;overflow:hidden;border:1px solid var(--moon-200);box-shadow:var(--shadow-md)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 420ms var(--ease)}
.split-media:hover img{transform:scale(1.02)}
.split-body h3{font-size:clamp(20px,2vw,26px);font-weight:700;line-height:1.3}
.split-body p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--text-muted);max-width:40ch}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--text)}
.check-list li::before{content:"";flex-shrink:0;width:16px;height:1px;background:var(--star-gold);margin-top:14px}
.split-body .text-link{margin-top:28px}
@media (max-width:1024px){
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:64px}
}

/* 最新信息 */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--moon-200);
  border-radius:var(--radius-md);overflow:hidden;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D6CBB6}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--moon-100);position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease),filter 260ms var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03);filter:brightness(1.05)}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:10px;border:1px solid rgba(217,164,65,.55);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#9A6D1E;background:rgba(217,164,65,.08);
}
.post-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:#8C6416}
.post-excerpt{font-size:15px;line-height:1.8;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--moon-200);display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.02em;color:#7A7484}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--moon-200)}
.empty-state{
  border:1px dashed var(--moon-200);border-radius:var(--radius-md);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.5);
}
.empty-state .ico{width:44px;height:44px;margin:0 auto 16px;border:1px solid var(--moon-200);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--star-gold)}
.empty-state .ico svg{width:20px;height:20px}
.empty-state p{font-size:15px;color:var(--text-muted)}
.empty-state .btn{margin-top:20px}
@media (max-width:1024px){.posts-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.posts-grid{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--moon-200)}
.faq-item:first-child{border-top:1px solid var(--moon-200)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;text-align:left;font-size:17px;font-weight:600;line-height:1.6;color:var(--text);
  transition:color 220ms var(--ease);
}
.faq-q:hover{color:#8C6416}
.faq-icon{
  position:relative;flex-shrink:0;width:20px;height:20px;
  transition:transform 320ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:#9A6D1E;border-radius:1px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:1.6px}
.faq-icon::after{left:9px;top:0;width:1.6px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a p{padding:0 0 26px;font-size:15px;line-height:1.9;color:var(--text-muted);max-width:68ch}
@media (max-width:768px){.faq-q{font-size:16px;padding:20px 0}}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.contact-info h2{font-size:clamp(28px,3.4vw,42px);line-height:1.2;font-weight:700;color:#FFFDF7;max-width:16ch}
.contact-info > p{margin-top:18px;font-size:15px;line-height:1.9;color:var(--text-light-muted);max-width:34ch}
.contact-list{margin-top:36px;display:flex;flex-direction:column;gap:24px}
.contact-list li{display:flex;gap:14px;font-size:15px;line-height:1.8;color:var(--text-light-muted)}
.contact-list li::before{content:"";flex-shrink:0;width:18px;height:1px;background:var(--star-gold);margin-top:14px}
.contact-list strong{display:block;color:var(--text-light);font-weight:600;margin-bottom:2px}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-lg);padding:32px;box-shadow:0 8px 40px rgba(13,11,18,.35),inset 0 1px 0 rgba(255,255,255,.08);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;letter-spacing:.04em;color:var(--text-light-muted);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:var(--text-light);font-size:15px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:#8E88A0}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#B8B2C6 50%),linear-gradient(135deg,#B8B2C6 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field select option{background:var(--ink-800);color:var(--text-light)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--star-gold);box-shadow:0 0 0 2px rgba(217,164,65,.35);background:rgba(255,255,255,.09);
}
.form-note{font-size:13px;line-height:1.8;color:#8E88A0;margin-top:14px}
.form-msg{margin-top:16px;font-size:14px;line-height:1.7;display:none}
.form-msg.is-ok{display:block;color:#4FAF8E}
.form-msg.is-err{display:block;color:#E05B4B}
@media (max-width:1024px){.contact-grid{grid-template-columns:1fr;gap:40px}}
@media (max-width:600px){
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px}
}

/* 页脚 */
.site-footer{background:#0A0810;color:var(--text-light-muted);padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:26ch}
.footer-brand .contact-line{margin-top:18px;font-size:14px;color:var(--text-light)}
.footer-col h3{font-size:13px;letter-spacing:.12em;font-weight:700;color:var(--star-gold);margin-bottom:18px;text-transform:uppercase}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-light-muted);transition:color 220ms var(--ease),transform 220ms var(--ease);display:inline-block}
.footer-col a:hover{color:var(--star-gold-soft);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:#8E88A0;
}
.footer-bottom a{color:#B8B2C6}
.footer-bottom a:hover{color:var(--star-gold-soft)}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:32px}}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(217,164,65,.7);background:rgba(13,11,18,.86);
  color:var(--star-gold);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 260ms var(--ease),transform 260ms var(--ease),visibility 260ms var(--ease),background 220ms var(--ease);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(217,164,65,.16)}
.to-top svg{width:18px;height:18px}

/* 入场动效 */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity 620ms var(--ease),transform 620ms var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* roulang page: article */
:root{
  --ink-900:#0D0B12;
  --ink-800:#151221;
  --ink-700:#1E1A2C;
  --ink-600:#2A2540;
  --moon-50:#FAF7F0;
  --moon-100:#F1ECE2;
  --moon-200:#E2DBCC;
  --gold:#D9A441;
  --gold-soft:#F0C878;
  --nebula:#6C5CE0;
  --teal:#7FD3C7;
  --dark-text:#F2EEE6;
  --dark-muted:#B8B2C6;
  --text:#1A1626;
  --text-muted:#5B5566;
  --line-dark:rgba(255,255,255,.10);
  --line-light:#E2DBCC;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-lg:22px;
  --shadow-md:0 12px 32px -12px rgba(13,11,18,.28);
  --shadow-lg:0 24px 48px -28px rgba(13,11,18,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--moon-50);
  line-break:strict;
  word-break:normal;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--header-h);
  background:rgba(13,11,18,.28);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line-dark);
  transition:height 260ms var(--ease),background 260ms var(--ease),box-shadow 260ms var(--ease);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(13,11,18,.94);
  box-shadow:var(--shadow-md);
}
.header-inner{height:100%;display:flex;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--dark-text);flex:none}
.brand-mark{width:24px;height:24px;fill:none;stroke:var(--gold);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--dark-text);
  padding:6px 0;transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform 260ms var(--ease);
}
.nav-link:hover{color:var(--gold-soft)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600;color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  cursor:pointer;transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-primary{background:var(--gold);color:#12101A;font-weight:800}
.btn-primary:hover{transform:translateY(-1px);background:#E3B155;box-shadow:0 10px 24px -10px rgba(217,164,65,.55)}
.btn-ghost{background:transparent;color:var(--dark-text);border-color:rgba(255,255,255,.24)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.40);transform:translateY(-1px)}
.btn-light{background:var(--moon-50);color:var(--ink-900);border-color:var(--moon-200)}
.btn-light:hover{transform:translateY(-1px);border-color:var(--gold);color:var(--ink-900)}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--gold-soft);
}
.link-arrow span{transition:transform var(--dur) var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.06);border-radius:10px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--dark-text);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:99;background:rgba(13,11,18,.98);
  padding:110px 28px 40px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform 320ms var(--ease);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer a.drawer-link{
  display:flex;align-items:center;gap:14px;color:var(--dark-text);font-size:20px;font-weight:600;
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.drawer a.drawer-link:hover{color:var(--gold-soft);padding-left:6px}
.drawer .idx{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.drawer .btn{margin-top:26px;width:100%}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;isolation:isolate;color:var(--dark-text);
  padding:calc(var(--header-h) + 84px) 0 76px;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(180deg,rgba(13,11,18,.72),rgba(13,11,18,.94)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(420px 300px at 12% 20%,rgba(217,164,65,.10),transparent 70%),
    radial-gradient(380px 280px at 78% 74%,rgba(217,164,65,.08),transparent 72%);
}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.04em;color:var(--dark-muted);margin-bottom:26px;
}
.crumb .sep{color:var(--gold);font-weight:700}
.crumb a{color:var(--dark-muted);transition:color var(--dur) var(--ease)}
.crumb a:hover{color:var(--gold-soft)}
.crumb .current{color:var(--dark-text);max-width:min(520px,60vw);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block;vertical-align:bottom}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:10px;border:1px solid rgba(217,164,65,.55);
  color:var(--gold-soft);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.article-title{
  margin:18px 0 22px;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.22;font-weight:800;letter-spacing:-.01em;
  max-width:20em;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;letter-spacing:.04em;color:var(--dark-muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.28)}
.article-meta time{font-variant-numeric:tabular-nums}

/* ---------- article body ---------- */
.article-section{padding:80px 0 96px;background:var(--moon-50)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:56px;justify-content:center;align-items:start;
}
.article-panel{
  background:#fff;border:1px solid var(--moon-200);border-radius:var(--radius-lg);
  padding:48px 48px 44px;box-shadow:var(--shadow-md);
}
.prose{font-size:16px;line-height:1.9;color:#241F33;max-width:100%}
.prose>*+*{margin-top:24px}
.prose h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--text);
  padding-top:24px;position:relative;margin-top:48px;
}
.prose h2::before{content:"";position:absolute;top:0;left:0;width:40px;height:2px;background:var(--gold)}
.prose h3{font-size:clamp(19px,1.8vw,22px);line-height:1.4;font-weight:700;color:var(--text);margin-top:34px}
.prose h4{font-size:17px;font-weight:700;color:var(--text);margin-top:28px}
.prose p{color:#2C2639}
.prose a{color:#8A6218;border-bottom:1px solid rgba(217,164,65,.6);transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.prose a:hover{color:var(--gold);border-color:var(--gold)}
.prose strong{font-weight:700;color:var(--text)}
.prose ul,.prose ol{padding-left:0;display:grid;gap:12px}
.prose ul li{position:relative;padding-left:22px}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--gold);
}
.prose ol{counter-reset:olnum}
.prose ol li{position:relative;padding-left:32px;counter-increment:olnum}
.prose ol li::before{
  content:counter(olnum);position:absolute;left:0;top:.1em;
  font-size:13px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:32px 0;padding:20px 24px;background:var(--moon-100);
  border-left:3px solid var(--gold);border-radius:0 12px 12px 0;color:#3A3448;
}
.prose blockquote p{margin:0;color:#3A3448}
.prose img{border-radius:12px;margin:28px auto 10px;box-shadow:var(--shadow-md)}
.prose figure{margin:28px 0}
.prose figcaption{font-size:13px;color:var(--text-muted);text-align:center;letter-spacing:.03em}
.prose table{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--moon-200);border-radius:12px;overflow:hidden}
.prose th,.prose td{padding:12px 16px;border-bottom:1px solid var(--moon-200);text-align:left}
.prose th{background:var(--moon-100);font-weight:700;font-size:14px;color:var(--text)}
.prose tr:last-child td{border-bottom:0}
.prose hr{border:0;border-top:1px solid var(--moon-200);margin:36px 0}

.article-empty{
  border:1px dashed var(--moon-200);border-radius:var(--radius-card);
  padding:56px 32px;text-align:center;background:var(--moon-50);
}
.article-empty .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;
  display:grid;place-items:center;border:1px solid var(--moon-200);background:#fff;
}
.article-empty .empty-icon svg{width:24px;height:24px;stroke:var(--gold);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--text-muted);font-size:15px;max-width:34em;margin:0 auto 24px}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:44px;padding-top:32px;border-top:1px solid var(--moon-200);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:10px;
  font-size:13px;font-weight:600;color:#5A5240;background:var(--moon-100);
  border:1px solid var(--moon-200);transition:all var(--dur) var(--ease);
}
.tag:hover{background:#fff;border-color:var(--gold);color:#8A6218;transform:translateY(-1px)}
.btn-outline-dark{
  background:#fff;color:var(--text);border:1px solid var(--moon-200);
}
.btn-outline-dark:hover{border-color:var(--gold);color:#8A6218;transform:translateY(-1px);box-shadow:var(--shadow-md)}

/* ---------- sidebar ---------- */
.side-col{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--moon-200);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-md);
}
.side-card h2{font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.side-card h2::after{content:"";display:block;width:28px;height:2px;background:var(--gold);margin-top:8px}
.side-list{display:grid;gap:14px}
.side-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-muted);line-height:1.7}
.side-list li .k{color:var(--text);font-weight:600;flex:none;min-width:56px}
.side-cta{
  margin-top:18px;display:inline-flex;width:100%;justify-content:center;
}
.side-note{font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:16px}
.side-links{display:grid;gap:10px;margin-top:6px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;font-weight:600;color:var(--text);padding:10px 0;
  border-bottom:1px dashed var(--moon-200);transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:#8A6218;padding-left:4px}
.side-links a span{color:var(--gold);font-weight:800}

/* ---------- related ---------- */
.related-section{padding:0 0 104px;background:var(--moon-50)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:#8A6218;margin-bottom:12px;
}
.section-title{font-size:clamp(26px,3vw,38px);line-height:1.18;font-weight:700;letter-spacing:-.01em}
.section-desc{font-size:15px;color:var(--text-muted);max-width:38em;margin-top:12px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--moon-200);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-md);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D6CBB4}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--moon-100)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:filter var(--dur) var(--ease),transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.02);filter:brightness(1.06)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--text)}
.card-body p{font-size:15px;color:var(--text-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--moon-100);display:flex;gap:10px;align-items:center;font-size:13px;color:var(--text-muted);letter-spacing:.04em}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--moon-200)}
.card-tag{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.08em;
  color:#8A6218;border:1px solid rgba(217,164,65,.5);border-radius:10px;padding:4px 10px;background:#FCF7EC;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink-900);color:var(--dark-text);padding:76px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-lg);padding:44px 48px;
  box-shadow:0 8px 40px rgba(13,11,18,.35),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;color:#fff;max-width:22em}
.cta-inner p{font-size:15px;color:var(--dark-muted);margin-top:12px;max-width:42em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#0A0810;color:var(--dark-muted);padding:72px 0 0;font-size:14px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:30em;color:var(--dark-muted)}
.footer-brand .contact-line{margin-top:12px;color:#8F89A0;font-size:13px}
.footer-col h3{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--gold);
  margin-bottom:18px;text-transform:none;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;line-height:1.9;color:var(--dark-muted);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);display:inline-block;
}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E788E;letter-spacing:.02em;
}
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;background:rgba(13,11,18,.9);border:1px solid var(--gold);
  color:var(--gold-soft);cursor:pointer;opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);z-index:80;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px);background:rgba(217,164,65,.16)}
.to-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .side-col{position:static}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;max-width:820px}
  .side-col{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:16px}
  .article-panel{padding:36px 30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-hero{padding:calc(var(--header-h) + 56px) 0 56px}
  .article-section{padding:56px 0 64px}
  .related-section{padding-bottom:64px}
  .article-panel{padding:28px 22px;border-radius:var(--radius-card)}
  .prose{font-size:15px}
  .cta-inner{padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .side-col{grid-template-columns:minmax(0,1fr)}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .header-actions .btn-primary{padding:10px 16px;font-size:14px}
  .article-meta{font-size:12px;gap:8px 14px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .to-top{right:16px;bottom:16px}
  .prose h2{margin-top:38px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#0D0B12;
  --ink-800:#151221;
  --ink-700:#1E1A2C;
  --ink-600:#2A2540;
  --moon-50:#FAF7F0;
  --moon-100:#F1ECE2;
  --moon-200:#E2DBCC;
  --star-gold:#D9A441;
  --star-gold-soft:#F0C878;
  --nebula:#6C5CE0;
  --teal:#7FD3C7;
  --text-dark:#1A1626;
  --text-muted:#5B5566;
  --text-light:#F2EEE6;
  --text-light-muted:#B8B2C6;
  --line-dark:rgba(255,255,255,.10);
  --line-light:#E2DBCC;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-media:12px;
  --radius-lg:22px;
  --shadow-md:0 12px 32px -12px rgba(13,11,18,.28);
  --shadow-lg:0 24px 48px -28px rgba(13,11,18,.45);
  --ease:220ms cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-dark);
  background:var(--moon-50);
  line-break:strict;
  word-break:normal;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--star-gold);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:var(--star-gold);
  color:#12101A;
  font-weight:800;
  box-shadow:0 8px 20px -12px rgba(217,164,65,.6);
}
.btn-primary:hover{background:#E3B155;transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(217,164,65,.55);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.24);
  color:var(--text-light);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);transform:translateY(-1px);}
.btn-outline-dark{
  background:transparent;
  border-color:rgba(26,22,38,.22);
  color:var(--text-dark);
}
.btn-outline-dark:hover{background:rgba(26,22,38,.06);border-color:rgba(26,22,38,.4);transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14px;min-height:44px;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--star-gold);
  position:relative;
}
.link-more svg{transition:transform var(--ease);}
.link-more:hover svg{transform:translateX(4px);}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border:1px solid rgba(217,164,65,.55);
  border-radius:10px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--star-gold);
  font-weight:600;
}
.eyebrow{
  font-size:13px;
  letter-spacing:.16em;
  color:var(--star-gold);
  font-weight:600;
  text-transform:uppercase;
}
.section{padding:112px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:22ch;
}
.section-head p{
  font-size:15px;
  color:var(--text-muted);
  max-width:40ch;
}
.section-dark{background:var(--ink-900);color:var(--text-light);}
.section-dark .section-head p{color:var(--text-light-muted);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:76px;
  background:rgba(13,11,18,.28);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:height 260ms cubic-bezier(.22,.61,.36,1),background 260ms cubic-bezier(.22,.61,.36,1),box-shadow 260ms cubic-bezier(.22,.61,.36,1);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(13,11,18,.94);
  box-shadow:var(--shadow-md);
}
.header-inner{
  height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text-light);
  flex-shrink:0;
}
.brand-mark{width:24px;height:24px;flex:0 0 24px;}
.brand-mark path,.brand-mark line{
  fill:none;stroke:var(--star-gold);stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;
}
.brand-text{
  font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-light);
}
.nav-links{
  display:flex;align-items:center;gap:30px;
}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text-light);
  padding:6px 0;
  transition:color var(--ease);
  min-height:44px;display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--star-gold);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--star-gold-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:600;color:var(--star-gold-soft);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-light);
  transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.10);color:var(--star-gold-soft);}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(255,255,255,.16);
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle span{
  display:block;width:18px;height:1.5px;background:var(--text-light);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.08);}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:110;
  background:rgba(13,11,18,.98);
  padding:96px 24px 40px;
  display:flex;flex-direction:column;gap:32px;
  transform:translateX(100%);
  transition:transform 300ms cubic-bezier(.22,.61,.36,1);
  visibility:hidden;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  display:flex;align-items:center;gap:14px;
  padding:14px 0;
  font-size:20px;font-weight:600;color:var(--text-light);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color var(--ease);
}
.drawer-links a span{
  font-family:var(--font-num);
  font-size:13px;font-weight:700;color:var(--star-gold);
  letter-spacing:.06em;
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--star-gold-soft);}
.drawer .btn{width:100%;}
.drawer-note{font-size:13px;color:var(--text-light-muted);line-height:1.8;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:170px 0 104px;
  background:var(--ink-900);
  color:var(--text-light);
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,11,18,.72),rgba(13,11,18,.94));
}
.hero-glow{
  position:absolute;z-index:1;pointer-events:none;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,.16),transparent 65%);
  top:-160px;right:-120px;
}
.hero-glow.two{
  width:420px;height:420px;left:-160px;bottom:-200px;
  background:radial-gradient(circle,rgba(108,92,224,.14),transparent 65%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:32px 24px;
  align-items:end;
}
.hero-left{grid-column:span 6;}
.hero-right{grid-column:span 6;}
.hero h1{
  font-size:clamp(38px,5.6vw,72px);
  line-height:1.05;
  font-weight:800;
  letter-spacing:-.02em;
  margin-top:18px;
  max-width:12ch;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--text-light-muted);
  max-width:40ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:36px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-meta li{display:flex;flex-direction:column;gap:2px;}
.hero-meta strong{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:800;color:var(--star-gold);line-height:1.1;
}
.hero-meta span{font-size:13px;letter-spacing:.04em;color:var(--text-light-muted);}
.crumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-light-muted);
  margin-bottom:6px;flex-wrap:wrap;
}
.crumb a{color:var(--text-light-muted);transition:color var(--ease);}
.crumb a:hover{color:var(--star-gold-soft);}
.crumb .sep{color:var(--star-gold);}
.crumb .now{color:var(--text-light);}

/* ---------- 核对要点（编号列表） ---------- */
.check-list{border-top:1px solid var(--line-light);}
.check-item{
  display:grid;
  grid-template-columns:72px 1fr auto;
  align-items:center;
  gap:24px;
  padding:26px 18px;
  border-bottom:1px solid var(--line-light);
  position:relative;
  transition:background var(--ease);
}
.check-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:56%;background:var(--star-gold);border-radius:2px;
  transition:width var(--ease);
}
.check-item:hover{background:var(--moon-100);}
.check-item:hover::before{width:3px;}
.check-item:hover .check-arrow{transform:translateX(4px);color:var(--star-gold);}
.check-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:800;
  color:var(--star-gold);opacity:.35;line-height:1;
}
.check-body h3{font-size:19px;font-weight:600;margin-bottom:4px;}
.check-body p{font-size:15px;color:var(--text-muted);line-height:1.75;max-width:56ch;}
.check-arrow{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line-light);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-muted);
  transition:transform var(--ease),color var(--ease),border-color var(--ease);
}

/* ---------- 场景卡片（不对称栅格） ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:24px;
}
.scene-card{
  background:#fff;
  border:1px solid var(--line-light);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D5CBB6;}
.scene-card.large{grid-column:span 3;}
.scene-card.small{grid-column:span 3;padding:28px;}
.scene-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--moon-100);
}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.22,.61,.36,1);}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:10px;}
.scene-body h3{font-size:19px;font-weight:600;}
.scene-body p{font-size:15px;color:var(--text-muted);line-height:1.8;}
.scene-card.small h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.scene-card.small p{font-size:15px;color:var(--text-muted);line-height:1.8;}
.scene-card.small .mini-tag{
  font-family:var(--font-num);
  font-size:12px;font-weight:700;color:var(--star-gold);
  letter-spacing:.1em;margin-bottom:6px;
}

/* ---------- 数据窄带 ---------- */
.stat-band{
  background:var(--ink-800);
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
  color:var(--text-light);
  padding:64px 0;
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.12);
}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(32px,3.4vw,48px);
  font-weight:800;color:var(--star-gold);line-height:1.1;
}
.stat-item span{
  display:block;margin-top:10px;
  font-size:13px;letter-spacing:.04em;color:var(--text-light-muted);line-height:1.7;
}

/* ---------- 流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--moon-100);
  border:1px solid var(--line-light);
  border-radius:var(--radius-card);
  padding:28px 24px 30px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-idx{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:800;letter-spacing:.12em;
  color:var(--star-gold);
}
.step h3{font-size:18px;font-weight:600;margin:12px 0 8px;}
.step p{font-size:14.5px;color:var(--text-muted);line-height:1.8;}
.step-line{
  height:2px;background:var(--moon-200);border-radius:2px;margin-top:20px;overflow:hidden;
}
.step-line i{display:block;height:100%;background:var(--star-gold);width:0;transition:width 700ms cubic-bezier(.22,.61,.36,1);}
.step.is-visible .step-line i{width:100%;}
.step:nth-child(2) .step-line i{width:0;}
.step.is-visible:nth-child(2) .step-line i{width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line-light);}
.faq-item:first-child{border-top:1px solid var(--line-light);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--text-dark);
  transition:color var(--ease);
  min-height:44px;
}
.faq-q:hover{color:#8A6A22;}
.faq-icon{
  flex:0 0 20px;width:20px;height:20px;position:relative;
  transition:transform 320ms cubic-bezier(.22,.61,.36,1);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--star-gold);border-radius:1px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 320ms cubic-bezier(.22,.61,.36,1);
}
.faq-a p{
  padding:0 4px 24px;
  font-size:15px;line-height:1.9;color:var(--text-muted);
  max-width:68ch;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink-900);
  color:var(--text-light);
  padding:96px 0;
  overflow:hidden;
}
.cta-band .cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.2;font-weight:700;max-width:24ch;
}
.cta-band p{
  margin-top:14px;font-size:15px;color:var(--text-light-muted);max-width:46ch;line-height:1.85;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-glow{
  position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,.18),transparent 68%);
  right:-140px;top:-220px;pointer-events:none;
}
.cta-grid-lines{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:#0A0810;color:var(--text-light);padding:80px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px 32px;
  padding-bottom:56px;
}
.footer-brand p{
  font-size:14px;line-height:1.9;color:var(--text-light-muted);
  margin-top:18px;max-width:34ch;
}
.footer-brand .contact-line{color:#8E88A0;font-size:13px;}
.footer-col h3{
  font-size:13px;letter-spacing:.12em;color:var(--star-gold);
  font-weight:600;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px;}
.footer-col a{
  display:inline-block;
  font-size:14px;line-height:1.9;color:var(--text-light-muted);
  padding:4px 0;
  transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:var(--star-gold-soft);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C7689;
}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:100;
  width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(217,164,65,.6);
  background:rgba(13,11,18,.85);
  color:var(--star-gold);
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(217,164,65,.16);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 600ms cubic-bezier(.22,.61,.36,1),transform 600ms cubic-bezier(.22,.61,.36,1);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
  .step-line i{width:100% !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .hero{padding:150px 0 80px;}
  .hero-left,.hero-right{grid-column:span 12;}
  .hero h1{max-width:16ch;}
  .hero-meta{gap:20px;}
  .section{padding:80px 0;}
  .scene-card.large,.scene-card.small{grid-column:span 3;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 24px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:64px 0;}
  .hero{padding:132px 0 64px;}
  .section-head{margin-bottom:28px;gap:14px;}
  .check-item{grid-template-columns:44px 1fr;gap:14px;padding:22px 6px;}
  .check-num{font-size:22px;}
  .check-arrow{display:none;}
  .scene-card.large,.scene-card.small{grid-column:span 6;}
  .scene-card.small{padding:24px;}
  .steps{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;gap:28px;}
  .stat-item{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand{grid-column:span 1;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:64px 0;}
  .hero-meta{gap:18px 24px;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .hero h1{font-size:clamp(30px,9vw,40px);max-width:100%;}
  .hero-actions{gap:10px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-meta strong{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0D0B12;
  --ink-800:#151221;
  --ink-700:#1E1A2C;
  --ink-600:#2A2540;
  --moon-50:#FAF7F0;
  --moon-100:#F1ECE2;
  --moon-200:#E2DBCC;
  --gold:#D9A441;
  --gold-soft:#F0C878;
  --gold-ink:#96690F;
  --nebula:#6C5CE0;
  --teal:#7FD3C7;
  --text-dark:#1A1626;
  --text-muted:#5B5566;
  --on-dark:#F2EEE6;
  --on-dark-muted:#B8B2C6;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-media:12px;
  --radius-lg:22px;
  --shadow-md:0 12px 32px -12px rgba(13,11,18,.28);
  --shadow-lg:0 24px 48px -28px rgba(13,11,18,.45);
  --ease:220ms cubic-bezier(.22,.61,.36,1);
  --header-h:76px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-dark);
  background:var(--moon-50);
  line-break:strict;
  word-break:normal;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button{font-family:inherit;font-size:inherit;color:inherit}
input,textarea,select{font-family:inherit;font-size:16px}
svg{display:block}
::selection{background:var(--gold);color:#12101A}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:768px){.container{padding:0 20px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(13,11,18,.28);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:background 260ms ease,box-shadow 260ms ease,border-color 260ms ease;
}
.site-header.is-scrolled{
  background:rgba(13,11,18,.94);
  box-shadow:var(--shadow-md);
  border-bottom-color:rgba(255,255,255,.06);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height 260ms ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--on-dark);flex:0 0 auto}
.brand-mark{
  width:24px;height:24px;flex:0 0 auto;
  fill:none;stroke:var(--gold);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;padding:8px 2px;font-size:15px;font-weight:500;
  color:var(--on-dark);transition:color var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--gold-soft)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{font-weight:600;color:#FFFFFF}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);cursor:pointer;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  color:var(--on-dark);
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.34)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.nav-toggle{display:none}
.nav-toggle .bars{position:relative;width:18px;height:12px}
.nav-toggle .bars span{
  position:absolute;left:0;width:100%;height:1.6px;background:currentColor;border-radius:2px;
  transition:transform 260ms ease,opacity 200ms ease,top 260ms ease;
}
.nav-toggle .bars span:nth-child(1){top:0}
.nav-toggle .bars span:nth-child(2){top:5px}
.nav-toggle .bars span:nth-child(3){top:10px}
.nav-toggle.is-open .bars span:nth-child(1){top:5px;transform:rotate(45deg)}
.nav-toggle.is-open .bars span:nth-child(2){opacity:0}
.nav-toggle.is-open .bars span:nth-child(3){top:5px;transform:rotate(-45deg)}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(13,11,18,.98);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;
  padding:20px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform 320ms cubic-bezier(.22,.61,.36,1),visibility 320ms;
}
.nav-drawer.is-open{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.10)}
.drawer-links{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  display:flex;align-items:center;gap:14px;padding:14px 6px;
  font-size:20px;font-weight:600;color:var(--on-dark);
  border-radius:10px;transition:background var(--ease),color var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{background:rgba(255,255,255,.06);color:var(--gold-soft)}
.drawer-links .idx{
  font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--gold);
  font-variant-numeric:tabular-nums;min-width:22px;
}
.drawer-cta{margin-top:auto;padding-top:28px}
.drawer-cta .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  cursor:pointer;text-align:center;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--gold);color:#12101A;font-weight:800}
.btn-primary:hover{background:#E1AE55;transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(217,164,65,.55)}
.btn-primary:active{transform:translateY(0);background:#C8963A}
.btn-ghost{border-color:rgba(255,255,255,.24);color:var(--on-dark);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.40);transform:translateY(-1px)}
.btn-outline-dark{border-color:var(--moon-200);color:var(--text-dark);background:#FFFFFF}
.btn-outline-dark:hover{border-color:var(--gold);color:var(--gold-ink);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--gold-ink);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.link-arrow:hover{color:#7A540B}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  color:var(--on-dark);
  padding:calc(var(--header-h) + 80px) 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(13,11,18,.72),rgba(13,11,18,.94)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 18% 24%,rgba(217,164,65,.10),transparent 40%),
    radial-gradient(circle at 78% 16%,rgba(217,164,65,.08),transparent 36%),
    radial-gradient(circle at 62% 82%,rgba(108,92,224,.08),transparent 42%),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,auto,auto,72px 72px,72px 72px;
}
.hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--gold-soft);
  padding:6px 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(217,164,65,.34);
  background:rgba(217,164,65,.07);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}
.hero-title{
  margin-top:22px;
  font-size:clamp(40px,6vw,72px);
  font-weight:800;line-height:1.05;letter-spacing:-.02em;
  color:#FFFFFF;
}
.hero-sub{
  margin:22px auto 0;max-width:640px;
  font-size:17px;line-height:1.85;color:var(--on-dark-muted);
}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-meta{
  list-style:none;display:flex;justify-content:center;flex-wrap:wrap;
  margin:48px 0 0;padding:0;
}
.hero-meta li{padding:0 30px;border-left:1px solid rgba(255,255,255,.14);text-align:left}
.hero-meta li:first-child{border-left:0;padding-left:0}
.hero-meta strong{
  display:block;font-size:28px;font-weight:800;line-height:1.15;
  color:var(--gold);font-variant-numeric:tabular-nums;
}
.hero-meta span{display:block;margin-top:6px;font-size:13px;letter-spacing:.04em;color:var(--on-dark-muted)}

/* 筛选条 */
.filter-bar{
  position:relative;z-index:2;
  display:flex;justify-content:center;flex-wrap:wrap;gap:10px;
  margin:46px auto 0;max-width:900px;
}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:500;color:var(--on-dark-muted);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.03);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.chip:hover{color:#FFFFFF;border-color:rgba(255,255,255,.40);background:rgba(255,255,255,.08)}
.chip.is-active{background:var(--gold);border-color:var(--gold);color:#12101A;font-weight:700}

/* ---------- 板块 ---------- */
.section{padding:104px 0;position:relative}
.section-light{background:var(--moon-50);color:var(--text-dark)}
.section-tint{background:var(--moon-100);color:var(--text-dark)}
.section-dark{background:var(--ink-900);color:var(--on-dark);overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 84% 18%,rgba(217,164,65,.09),transparent 42%);
}
.section-dark > .container{position:relative;z-index:2}
@media (max-width:1024px){.section{padding:80px 0}}
@media (max-width:768px){.section{padding:56px 0}}

.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-label{
  display:inline-block;font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--gold-ink);margin-bottom:14px;
}
.section-dark .section-label,.hero .section-label{color:var(--gold-soft)}
.section-title{
  font-size:clamp(28px,3.4vw,44px);font-weight:700;line-height:1.15;letter-spacing:-.01em;
}
.section-desc{
  margin-top:16px;font-size:16px;line-height:1.9;color:var(--text-muted);max-width:40em;
}
.section-dark .section-desc{color:var(--on-dark-muted)}

/* 三列紧凑卡 */
.card-grid{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;
}
.info-card{
  display:flex;flex-direction:column;height:100%;
  background:#FFFFFF;border:1px solid var(--moon-200);
  border-radius:var(--radius-card);padding:28px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D5CBB7}
.card-tag{
  display:inline-flex;align-self:flex-start;
  padding:4px 10px;border-radius:var(--radius-btn);
  border:1px solid rgba(217,164,65,.48);
  color:var(--gold-ink);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.info-card h3{margin:16px 0 10px;font-size:19px;font-weight:600;line-height:1.35}
.info-card p{flex:1;font-size:15px;line-height:1.85;color:var(--text-muted)}
.card-foot{
  margin-top:22px;padding-top:14px;border-top:1px solid var(--moon-200);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;letter-spacing:.04em;color:var(--text-muted);
}
.card-num{font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}

/* 图文交替 */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.split + .split{margin-top:72px;padding-top:72px;border-top:1px solid var(--moon-200)}
.split.reverse{grid-template-columns:7fr 5fr}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.split-media{
  border-radius:var(--radius-media);overflow:hidden;
  border:1px solid var(--moon-200);background:var(--moon-100);
  aspect-ratio:16/10;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h3{font-size:clamp(20px,2vw,26px);font-weight:700;line-height:1.3}
.split-body p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--text-muted)}
.point-list{list-style:none;margin:22px 0 0;padding:0}
.point-list li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:15px;line-height:1.9;color:var(--text-muted);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:14px;width:12px;height:2px;background:var(--gold);
}
.split-body .link-arrow{margin-top:26px}

/* 流程步骤 */
.steps{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.step{position:relative;padding-top:28px;border-top:2px solid var(--moon-200)}
.step::before{
  content:"";position:absolute;top:-2px;left:0;width:56px;height:2px;background:var(--gold);
}
.step-num{
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.step h3{margin:10px 0 8px;font-size:19px;font-weight:600;line-height:1.35}
.step p{font-size:15px;line-height:1.85;color:var(--text-muted)}

/* 数据带 */
.stat-band{background:var(--ink-800);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);padding:56px 0}
.stat{padding:0 32px;border-left:1px solid rgba(255,255,255,.12)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{
  font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1.1;
  color:var(--gold);font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:.44em;font-weight:700;margin-left:4px;letter-spacing:0}
.stat-label{margin-top:10px;font-size:13px;letter-spacing:.06em;color:var(--on-dark-muted)}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-top:1px solid var(--moon-200)}
.faq-item:last-child{border-bottom:1px solid var(--moon-200)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--text-dark);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--gold-ink)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform 320ms ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--gold);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-q{color:var(--gold-ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease}
.faq-a-inner{
  padding:0 44px 26px 0;max-width:68ch;
  font-size:15px;line-height:1.9;color:var(--text-muted);
}

/* CTA 带 */
.cta-band{position:relative;background:var(--ink-900);color:var(--on-dark);padding:88px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 88% 22%,rgba(217,164,65,.12),transparent 40%),
    radial-gradient(circle at 10% 82%,rgba(108,92,224,.10),transparent 44%);
}
.cta-band > .container{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(26px,3.2vw,40px);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.cta-inner p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--on-dark-muted);max-width:46em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#0A0810;color:var(--on-dark-muted);padding:72px 0 32px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:22em}
.footer-brand .contact-line{margin-top:12px;color:#8B8598}
.footer-col h3{
  margin:0 0 16px;font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--gold);
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:8px}
.footer-col a{display:inline-block;font-size:14px;line-height:1.9;color:var(--on-dark-muted);transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B8598;
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(13,11,18,.92);
  border:1px solid rgba(217,164,65,.60);
  color:var(--gold);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),background var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:rgba(217,164,65,.16)}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 动效 */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity 620ms ease,transform 620ms cubic-bezier(.22,.61,.36,1)}
.js .reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .split,.split.reverse{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:1}
  .split.reverse .split-body{order:2}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .hero{padding:calc(var(--header-h) + 64px) 0 80px}
}
@media (max-width:768px){
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-grid{grid-template-columns:1fr 1fr;padding:44px 0;row-gap:32px}
  .stat{padding:0 0 0 22px}
  .stat:nth-child(3){border-left:0;padding-left:0;grid-column:1 / -1}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .hero-meta li{padding:0 20px}
  .split + .split{margin-top:48px;padding-top:48px}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero-title{font-size:clamp(32px,9vw,44px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-meta li{width:100%;border-left:0;padding-left:0;margin-bottom:20px;text-align:center}
  .hero-meta{justify-content:center}
  .hero-meta li:last-child{margin-bottom:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
  .faq-a-inner{padding-right:0}
}

/* roulang page: category3 */
:root{
  --ink-900:#0D0B12;
  --ink-800:#151221;
  --ink-700:#1E1A2C;
  --ink-600:#2A2540;
  --moon-50:#FAF7F0;
  --moon-100:#F1ECE2;
  --moon-200:#E2DBCC;
  --star-gold:#D9A441;
  --star-gold-soft:#F0C878;
  --nebula:#6C5CE0;
  --teal:#7FD3C7;
  --text-dark:#1A1626;
  --text-muted:#5B5566;
  --text-light:#F2EEE6;
  --text-light-muted:#B8B2C6;
  --danger:#E05B4B;
  --success:#4FAF8E;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-md:0 12px 32px -12px rgba(13,11,18,.28);
  --shadow-lg:0 24px 48px -28px rgba(13,11,18,.45);
  --ease:220ms cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-dark);
  background:var(--moon-50);
  line-break:strict;
  word-break:normal;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--star-gold);outline-offset:2px;}
::selection{background:rgba(217,164,65,.3);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:104px 0;}
.section--tight{padding:80px 0;}
.section--alt{background:var(--moon-100);}
.section--dark{background:var(--ink-900);color:var(--text-light);}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--star-gold);
  font-weight:600;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--star-gold);
  display:block;
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:16px;
  color:var(--text-muted);
  font-size:16px;
  line-height:1.8;
}
.section--dark .section-head p{color:var(--text-light-muted);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{
  background:var(--star-gold);
  color:#12101A;
  border-color:var(--star-gold);
  box-shadow:0 6px 18px -12px rgba(217,164,65,.6);
}
.btn-primary:hover{
  background:var(--star-gold-soft);
  border-color:var(--star-gold-soft);
  box-shadow:0 10px 24px -10px rgba(217,164,65,.55);
}
.btn-ghost{
  background:transparent;
  color:var(--text-light);
  border-color:rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);}
.btn-outline{
  background:transparent;
  color:var(--text-dark);
  border-color:var(--moon-200);
}
.btn-outline:hover{background:var(--moon-100);border-color:#CFC6B4;}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--star-gold);
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:76px;
  display:flex;
  align-items:center;
  background:rgba(13,11,18,.28);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(13,11,18,.94);
  box-shadow:var(--shadow-md);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  width:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:24px;height:24px;
  fill:none;
  stroke:var(--star-gold);
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text-light);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-light);
  opacity:.86;
  border-radius:8px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--star-gold);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{opacity:1;background:rgba(255,255,255,.06);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:600;opacity:1;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:12px;
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:transparent;
  border:1px solid rgba(255,255,255,.16);
  color:var(--text-light);
  cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.36);}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;
  border:1px solid rgba(255,255,255,.16);
  border-radius:10px;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:1.6px;
  background:var(--text-light);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(13,11,18,.98);
  padding:110px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform 300ms cubic-bezier(.22,.61,.36,1),visibility 300ms;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.mobile-drawer a.drawer-link{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding:16px 4px;
  font-size:20px;
  font-weight:600;
  color:var(--text-light);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a.drawer-link .num{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  color:var(--star-gold);
  letter-spacing:.06em;
}
.mobile-drawer a.drawer-link.is-active{color:var(--star-gold-soft);}
.mobile-drawer .btn{margin-top:24px;width:100%;}

/* ---------- Hero（分类页） ---------- */
.hero-cat{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  padding:150px 0 96px;
  color:var(--text-light);
}
.hero-cat::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.42;
}
.hero-cat::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 320px at 84% 16%, rgba(217,164,65,.12), transparent 70%),
    radial-gradient(520px 280px at 8% 82%, rgba(217,164,65,.07), transparent 70%),
    linear-gradient(180deg, rgba(13,11,18,.74), rgba(13,11,18,.95));
}
.hero-watermark{
  position:absolute;
  top:96px;
  right:2%;
  font-family:var(--font-num);
  font-size:120px;
  font-weight:800;
  line-height:1;
  color:var(--star-gold);
  opacity:.08;
  letter-spacing:-.04em;
  pointer-events:none;
  user-select:none;
  z-index:1;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:start;
}
.hero-copy h1{
  font-size:clamp(34px,4.6vw,60px);
  line-height:1.1;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:22ch;
}
.hero-sub{
  margin-top:22px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-light-muted);
  max-width:40ch;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-metrics li{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.hero-metrics .num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  color:var(--star-gold);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.hero-metrics .label{
  font-size:13px;
  letter-spacing:.04em;
  color:var(--text-light-muted);
}
.hero-media{
  position:relative;
  margin-top:24px;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 8px 40px rgba(13,11,18,.35), inset 0 1px 0 rgba(255,255,255,.08);
  background:var(--ink-800);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.media-bar{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:rgba(255,255,255,.10);
  border-top:1px solid rgba(255,255,255,.10);
}
.media-bar div{
  background:rgba(13,11,18,.86);
  padding:14px 12px;
  text-align:center;
}
.media-bar .v{
  display:block;
  font-family:var(--font-num);
  font-size:18px;
  font-weight:800;
  color:var(--star-gold-soft);
  font-variant-numeric:tabular-nums;
}
.media-bar .t{
  display:block;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-light-muted);
  margin-top:2px;
}

/* ---------- 数据带 ---------- */
.stats-band{
  background:var(--ink-800);
  color:var(--text-light);
  padding:56px 0;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:8px 24px;
  border-left:1px solid rgba(255,255,255,.12);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat .num{
  font-family:var(--font-num);
  font-size:clamp(30px,3.4vw,46px);
  font-weight:800;
  line-height:1.05;
  color:var(--star-gold);
  font-variant-numeric:tabular-nums;
}
.stat .label{
  display:block;
  margin-top:10px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--text-light-muted);
}
.stats-note{
  margin-top:28px;
  font-size:13px;
  color:var(--text-light-muted);
  letter-spacing:.02em;
}

/* ---------- 权益档位卡片 ---------- */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:8px;
}
.tier-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--moon-200);
  border-radius:var(--radius-md);
  padding:32px 28px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tier-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#D6CBB6;
}
.tier-card.is-featured{
  background:var(--ink-900);
  color:var(--text-light);
  border-color:rgba(255,255,255,.12);
}
.tier-tag{
  display:inline-flex;
  align-self:flex-start;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border:1px solid var(--star-gold);
  border-radius:10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--star-gold);
}
.tier-card h3{
  font-size:22px;
  font-weight:700;
  margin-top:18px;
  letter-spacing:-.01em;
}
.tier-card .tier-desc{
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-muted);
}
.tier-card.is-featured .tier-desc{color:var(--text-light-muted);}
.tier-list{
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid var(--moon-200);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.tier-card.is-featured .tier-list{border-top-color:rgba(255,255,255,.14);}
.tier-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  line-height:1.7;
}
.tier-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:1.6px;
  background:var(--star-gold);
}
.tier-meta{
  margin-top:26px;
  padding-top:18px;
  border-top:1px dashed var(--moon-200);
  font-size:13px;
  line-height:1.8;
  color:var(--text-muted);
}
.tier-card.is-featured .tier-meta{
  border-top-color:rgba(255,255,255,.16);
  color:var(--text-light-muted);
}
.tier-meta strong{color:var(--text-dark);font-weight:600;}
.tier-card.is-featured .tier-meta strong{color:var(--star-gold-soft);}

/* ---------- 交替图文 ---------- */
.alt-wrap{margin-top:8px;}
.alt-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
  padding:52px 0;
  border-bottom:1px solid var(--moon-200);
}
.alt-row:last-child{border-bottom:0;padding-bottom:0;}
.alt-row--flip{grid-template-columns:7fr 5fr;}
.alt-media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--moon-200);
  background:var(--moon-100);
}
.alt-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform 480ms cubic-bezier(.22,.61,.36,1);
}
.alt-row:hover .alt-media img{transform:scale(1.02);}
.alt-media .alt-index{
  position:absolute;
  left:16px;top:16px;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:#12101A;
  background:var(--star-gold);
  border-radius:8px;
  padding:4px 10px;
}
.alt-body h3{
  font-size:clamp(20px,2vw,26px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.alt-body > p{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-muted);
  max-width:40ch;
}
.point-list{
  margin-top:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.point-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-dark);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:.7em;
  width:10px;height:2px;
  background:var(--star-gold);
}
.alt-body .link-arrow{margin-top:24px;}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:8px;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--moon-200);
  border-radius:var(--radius-md);
  padding:28px 24px 26px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step .step-num{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--star-gold);
  font-variant-numeric:tabular-nums;
}
.step h3{
  margin-top:14px;
  font-size:18px;
  font-weight:600;
  line-height:1.35;
}
.step p{
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-muted);
}
.step::after{
  content:"";
  position:absolute;
  left:0;top:0;
  width:40px;height:2px;
  background:var(--star-gold);
  border-radius:2px;
}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:880px;
  margin:0 auto;
  border-top:1px solid var(--moon-200);
}
.faq-item{border-bottom:1px solid var(--moon-200);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  background:transparent;
  border:0;
  padding:24px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--text-dark);
  cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:#8A6415;}
.faq-icon{
  flex:0 0 auto;
  width:20px;height:20px;
  margin-top:3px;
  position:relative;
  transition:transform var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--star-gold);
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:1.8px;}
.faq-icon::after{left:9px;top:0;width:1.8px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms cubic-bezier(.22,.61,.36,1);
}
.faq-a p{
  padding:0 0 26px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-muted);
  max-width:68ch;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  color:var(--text-light);
  padding:88px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.28;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(13,11,18,.82), rgba(13,11,18,.96));
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.cta-inner h2{
  font-size:clamp(26px,3vw,38px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
}
.cta-inner p{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-light-muted);
  max-width:44ch;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0A0810;
  color:var(--text-light);
  padding:72px 0 32px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:var(--text-light-muted);
  max-width:30ch;
}
.footer-brand .contact-line{
  margin-top:14px;
  font-size:13px;
  color:rgba(184,178,198,.78);
}
.footer-col h3{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--star-gold);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:8px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  line-height:1.9;
  color:var(--text-light-muted);
  transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:var(--star-gold);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(184,178,198,.72);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(13,11,18,.9);
  border:1px solid var(--star-gold);
  color:var(--star-gold);
  cursor:pointer;
  z-index:90;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(217,164,65,.16);}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 进入动效 ---------- */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity 520ms cubic-bezier(.22,.61,.36,1),transform 520ms cubic-bezier(.22,.61,.36,1);}
.fade-up.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1024px){
  .nav-links,.header-actions .icon-btn,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{margin-top:0;max-width:560px;}
  .hero-watermark{font-size:96px;top:110px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat{padding:0 20px;}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
  .tier-grid{grid-template-columns:1fr;gap:18px;}
  .alt-row,
  .alt-row--flip{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section,.section--tight{padding:56px 0;}
  .hero-cat{padding:126px 0 64px;}
  .hero-watermark{display:none;}
  .section-head{margin-bottom:28px;}
  .hero-metrics{gap:24px;}
  .hero-metrics .num{font-size:22px;}
  .stats-band{padding:44px 0;}
  .alt-body > p{max-width:none;}
  .faq-q{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .steps{grid-template-columns:1fr;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero-copy h1{font-size:clamp(28px,8vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .media-bar .v{font-size:15px;}
  .tier-card{padding:26px 22px;}
  .stat .num{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .fade-up{opacity:1;transform:none;}
}