/* roulang page: index */
:root{
  --ink:#131126;
  --ink-soft:#1e1b3c;
  --brand:#2b2565;
  --brand-2:#4a3bc0;
  --brand-3:#6a5ae0;
  --accent:#e2a648;
  --accent-soft:#f8ecd6;
  --teal:#2c9b8c;
  --bg:#f6f5f1;
  --surface:#ffffff;
  --text:#1b1a24;
  --muted:#656a80;
  --line:#e5e3dc;
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(20,18,38,.06);
  --shadow:0 16px 40px rgba(20,18,38,.10);
  --shadow-lg:0 28px 70px rgba(20,18,38,.20);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:inherit}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
:focus-visible{outline:3px solid rgba(74,59,192,.55);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;height:80px;gap:10px}
.nav-side{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0}
.nav-left{order:1;justify-content:flex-end}
.nav-right{order:3;justify-content:flex-start}
.brand{
  order:2;flex:0 0 auto;display:flex;flex-direction:column;align-items:center;
  padding:0 20px;line-height:1.15;text-align:center;
}
.brand-name{
  font-size:clamp(15px,1.35vw,17px);font-weight:900;color:var(--ink);
  letter-spacing:-.01em;white-space:nowrap;
}
.brand-name em{font-style:normal;color:var(--brand-2)}
.brand-sub{
  margin-top:4px;font-size:10.5px;font-weight:700;letter-spacing:.24em;
  color:var(--muted);text-transform:uppercase;
}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 13px;border-radius:999px;
  font-size:14px;font-weight:600;color:#3b3b4e;white-space:nowrap;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.nav-link:hover{background:#efedfa;color:var(--brand-2);transform:translateY(-1px)}
.nav-link.active{
  background:var(--brand);color:#fff;
  box-shadow:0 8px 18px rgba(43,37,101,.26);
}
.nav-toggle{
  order:3;display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.22s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-bar.nav-open .nav-toggle span{background:transparent}
.nav-bar.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-bar.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:84px 0 88px;
  background:
    radial-gradient(1100px 520px at 12% -12%,#40328f 0%,rgba(64,50,143,0) 62%),
    radial-gradient(880px 520px at 92% 6%,#1e5e75 0%,rgba(30,94,117,0) 58%),
    linear-gradient(158deg,#110f24 0%,#1b1740 55%,#231a4e 100%);
}
.hero-eye{
  position:absolute;right:-110px;top:30px;width:440px;height:440px;border-radius:50%;
  border:1px solid rgba(255,255,255,.13);pointer-events:none;
}
.hero-eye::before{
  content:"";position:absolute;inset:58px;border-radius:50%;
  border:1px solid rgba(226,166,72,.42);
}
.hero-eye::after{
  content:"";position:absolute;inset:158px;border-radius:50%;
  background:radial-gradient(circle at 38% 32%,#f9e0b0,#e2a648 55%,#8a5f18 100%);
  box-shadow:0 0 70px rgba(226,166,72,.55);
}
.hero-inner{position:relative;z-index:2;max-width:720px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;font-weight:700;letter-spacing:.1em;color:#f2d9a8;
}
.hero-badge i{font-size:11px}
.hero h1{
  margin-top:22px;
  font-size:clamp(27px,3.9vw,46px);
  font-weight:900;color:#fff;letter-spacing:-.02em;line-height:1.24;
}
.hero h1 span{color:var(--accent)}
.hero-lead{
  margin-top:20px;font-size:clamp(16px,1.5vw,19px);
  color:rgba(255,255,255,.86);font-weight:500;line-height:1.7;max-width:620px;
}
.hero-text{
  margin-top:14px;font-size:15px;color:rgba(255,255,255,.6);max-width:600px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  font-size:15px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-main{
  background:linear-gradient(135deg,#e6ae52,#f4cb85);
  color:#241a04;box-shadow:0 14px 30px rgba(226,166,72,.30);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(226,166,72,.42);color:#241a04}
.btn-ghost{
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.07);color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-line{
  border:1px solid var(--line);background:#fff;color:var(--brand);
  box-shadow:var(--shadow-sm);
}
.btn-line:hover{border-color:#cbc3f0;color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:48px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);max-width:760px;
}
.stat-num{font-size:26px;font-weight:900;color:#fff;line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:13px;font-weight:700;color:var(--accent);margin-left:4px}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:7px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:#eeecfb;color:var(--brand-2);
  font-size:12px;font-weight:800;letter-spacing:.14em;
}
.sec-head{max-width:740px;margin-bottom:46px}
.sec-title{margin-top:18px;font-size:clamp(24px,3.1vw,36px);font-weight:900;letter-spacing:-.02em}
.sec-desc{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.9}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 卡片与网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card-soft{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8d2f3}
.card-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:13px;
  background:linear-gradient(135deg,#efeaff,#e2daff);
  color:var(--brand-2);font-weight:900;font-size:15px;margin-bottom:18px;
}
.card-title{font-size:19px;font-weight:800;color:var(--ink)}
.card-text{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.9}
.card-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--brand-2);font-weight:700;
}
.feature-icon{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;
  background:#f1eefc;color:var(--brand-2);font-size:19px;margin-bottom:18px;
  transition:background .26s ease,color .26s ease,transform .26s ease;
}
.card-soft:hover .feature-icon{background:var(--brand);color:#fff;transform:rotate(-4deg)}

/* ---------- 人物 ---------- */
.person-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.person-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8d2f3}
.person-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{
  width:52px;height:52px;border-radius:16px;flex:0 0 52px;
  display:grid;place-items:center;
  font-size:19px;font-weight:900;color:#fff;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 10px 22px rgba(43,37,101,.24);
}
.avatar.gold{background:linear-gradient(135deg,#e8b45c,#c88a2a);box-shadow:0 10px 22px rgba(200,138,42,.28)}
.avatar.teal{background:linear-gradient(135deg,#35b3a2,#1f7f73);box-shadow:0 10px 22px rgba(31,127,115,.26)}
.avatar.dark{background:linear-gradient(135deg,#3b3a55,#1c1b2c);box-shadow:0 10px 22px rgba(28,27,44,.3)}
.person-name{font-size:18px;font-weight:800;color:var(--ink)}
.person-role{font-size:12.5px;font-weight:700;color:var(--brand-2);letter-spacing:.06em;margin-top:3px}
.person-text{font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- 能力层级 ---------- */
.levels{display:grid;gap:16px}
.level-item{
  display:flex;gap:22px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.level-item:hover{transform:translateX(5px);box-shadow:var(--shadow);border-color:#d8d2f3}
.level-num{
  flex:0 0 62px;font-size:24px;font-weight:900;line-height:1;
  color:var(--accent);padding-top:4px;letter-spacing:-.03em;
}
.level-body h3{font-size:18px;font-weight:800;color:var(--ink)}
.level-body p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.9}
.level-tag{
  display:inline-block;margin-top:12px;padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:#8a5f18;font-size:12px;font-weight:800;
}

/* ---------- 内容专区卡片 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:28px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.topic-card::after{
  content:"";position:absolute;left:0;top:0;height:100%;width:4px;
  background:linear-gradient(180deg,var(--brand-2),var(--accent));
  opacity:0;transition:opacity .26s ease;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d6d0f3}
.topic-card:hover::after{opacity:1}
.topic-tag{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:#efedfc;color:var(--brand-2);font-size:12px;font-weight:800;
}
.topic-title{font-size:19px;font-weight:800;color:var(--ink)}
.topic-text{font-size:14.5px;color:var(--muted);line-height:1.88}
.topic-more{
  margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:800;color:var(--brand-2);
}
.topic-more i{transition:transform .24s ease;font-size:12px}
.topic-card:hover .topic-more i{transform:translateX(5px)}

/* ---------- 反馈 ---------- */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);height:100%;
  display:flex;flex-direction:column;gap:18px;
  transition:transform .26s ease,box-shadow .26s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote-mark{font-size:26px;color:var(--accent);line-height:1}
.quote-text{font-size:15px;color:#33324a;line-height:1.95}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px}
.quote-dot{width:34px;height:34px;border-radius:50%;background:#efedfc;color:var(--brand-2);display:grid;place-items:center;font-weight:900;font-size:13px}
.quote-name{font-size:13.5px;font-weight:800;color:var(--ink)}
.quote-role{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--radius)!important;
  overflow:hidden;margin-bottom:14px;background:#fff;
  box-shadow:var(--shadow-sm);
}
.accordion-button{
  padding:22px 26px;font-size:16.5px;font-weight:800;color:var(--ink);
  background:#fff;box-shadow:none!important;line-height:1.6;
}
.accordion-button:not(.collapsed){background:#f4f2fd;color:var(--brand)}
.accordion-button:focus{box-shadow:none!important;border-color:transparent}
.accordion-body{padding:0 26px 24px;font-size:14.8px;color:var(--muted);line-height:1.95}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  padding:80px 0;border-radius:0;
  background:
    radial-gradient(700px 380px at 88% 0%,rgba(226,166,72,.22) 0%,rgba(226,166,72,0) 62%),
    linear-gradient(140deg,#161430 0%,#25205a 60%,#2f2568 100%);
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center}
.cta-band h2{
  font-size:clamp(24px,3vw,34px);color:#fff;font-weight:900;letter-spacing:-.02em;
}
.cta-band p{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.76);line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ---------- 页脚 ---------- */
.site-footer{background:#110f1f;color:rgba(255,255,255,.72);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:42px}
.footer-brand{font-size:17px;font-weight:900;color:#fff;letter-spacing:-.01em}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.95;max-width:400px;color:rgba(255,255,255,.6)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-tag{
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.76);
  border:1px solid rgba(255,255,255,.1);
}
.footer-title{font-size:12.5px;font-weight:800;letter-spacing:.18em;color:#fff;margin-bottom:16px}
.footer-link{
  display:block;padding:7px 0;font-size:14px;color:rgba(255,255,255,.64);
  transition:color .22s ease,transform .22s ease;
}
.footer-link:hover{color:var(--accent);transform:translateX(4px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:66px 0 72px}
  .hero-eye{right:-160px;top:10px;opacity:.72}
}
@media (max-width:991.98px){
  .nav-bar{flex-wrap:wrap;height:auto;padding:14px 0;justify-content:space-between;gap:0}
  .brand{order:1;padding:0;align-items:flex-start;text-align:left}
  .brand-name{white-space:normal;text-align:left}
  .nav-toggle{order:2;display:inline-flex}
  .nav-side{
    order:3;flex:0 0 100%;display:none;flex-direction:column;align-items:stretch;
    gap:2px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  }
  .nav-bar.nav-open .nav-side{display:flex}
  .nav-link{width:100%;justify-content:flex-start;border-radius:12px;padding:12px 14px;font-size:14.5px}
  .nav-link.active{box-shadow:none}
  .brand-sub{letter-spacing:.18em}
}
@media (max-width:820px){
  .section{padding:64px 0}
  .sec-head{margin-bottom:34px}
  .hero h1{font-size:clamp(25px,5.4vw,34px)}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 16px}
  .grid-2,.grid-3,.grid-4,.topic-grid{grid-template-columns:1fr}
  .level-item{flex-direction:row;gap:16px;padding:22px}
  .level-num{flex:0 0 46px;font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:60px 0}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero{padding:52px 0 58px}
  .hero-lead{font-size:15.5px}
  .hero-text{font-size:14px}
  .btn-main,.btn-ghost,.btn-line{padding:13px 20px;font-size:14px;width:100%;justify-content:center}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-actions{flex-direction:column;align-items:stretch}
  .card-soft,.person-card,.quote-card,.topic-card{padding:22px}
  .level-item{flex-direction:column;gap:10px}
  .level-num{flex:0 0 auto}
  .stat-num{font-size:22px}
  .accordion-button{font-size:15px;padding:18px 20px}
  .accordion-body{padding:0 20px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-eye{display:none}
}

/* roulang page: category2 */
:root{
  --ink:#14202e;
  --ink-soft:#1f2f41;
  --ink-mute:#5c6a7a;
  --gold:#c9913a;
  --gold-light:#e8b968;
  --gold-soft:#fbf4e6;
  --teal:#2c7a6b;
  --bg:#f6f4ef;
  --bg-alt:#efeade;
  --card:#ffffff;
  --line:#e4ddcf;
  --line-strong:#d3c9b5;
  --white:#ffffff;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --shadow-sm:0 2px 10px rgba(20,32,46,.06);
  --shadow-md:0 12px 32px rgba(20,32,46,.10);
  --shadow-lg:0 26px 60px rgba(20,32,46,.16);
  --ease:cubic-bezier(.22,.68,.35,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--gold);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.35;font-weight:800;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(201,145,58,.55);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 22px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,244,239,.9);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:80px;
  position:relative;
}
.brand{
  order:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
  padding:6px 14px;
  flex:0 0 auto;
  text-align:center;
}
.brand-name{
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-name em{
  font-style:normal;
  color:var(--gold);
  margin-left:2px;
}
.brand-sub{
  font-size:.68rem;
  letter-spacing:.24em;
  color:var(--ink-mute);
  text-transform:uppercase;
}
.brand:hover .brand-name{color:var(--ink-soft);}
.nav-side{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 0;
}
.nav-left{order:1;justify-content:flex-end;}
.nav-right{order:3;justify-content:flex-start;}
.nav-link{
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  font-size:.94rem;
  font-weight:600;
  color:var(--ink-soft);
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{
  color:var(--ink);
  background:var(--gold-soft);
  border-color:var(--line);
}
.nav-link.active{
  background:var(--ink);
  color:#fff;
  border-color:var(--ink);
  box-shadow:0 6px 16px rgba(20,32,46,.22);
}
.nav-link.active:hover{background:var(--ink-soft);color:#fff;}
.nav-toggle{
  order:4;
  display:none;
  width:46px;
  height:46px;
  margin-left:auto;
  border:1px solid var(--line-strong);
  background:#fff;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  position:relative;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}
.nav-toggle:hover{background:var(--gold-soft);border-color:var(--gold);}
.nav-bar.is-open .nav-toggle span{background:transparent;}
.nav-bar.is-open .nav-toggle span::before{transform:translateY(0) rotate(45deg);}
.nav-bar.is-open .nav-toggle span::after{transform:translateY(-2px) rotate(-45deg);}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(201,145,58,.30), transparent 68%),
    radial-gradient(760px 420px at 92% 8%, rgba(44,122,107,.26), transparent 70%),
    linear-gradient(160deg,#101a26 0%,#16273a 52%,#1b2f44 100%);
  color:#fff;
  padding:78px 0 92px;
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto -10% -60% -10%;
  height:220px;
  background:radial-gradient(closest-side,rgba(232,185,104,.20),transparent);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.18fr .82fr;
  gap:52px;
  align-items:center;
  position:relative;
  z-index:2;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:var(--gold-light);
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.08em;
  margin-bottom:22px;
}
.hero h1{
  color:#fff;
  font-size:clamp(1.9rem,3.4vw,2.85rem);
  line-height:1.28;
  margin-bottom:20px;
  letter-spacing:.015em;
}
.hero h1 span{color:var(--gold-light);}
.hero-lead{
  color:rgba(255,255,255,.82);
  font-size:1.03rem;
  line-height:1.95;
  max-width:34em;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:.96rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-main{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#231607;
  box-shadow:0 14px 30px rgba(201,145,58,.34);
}
.btn-main:hover{color:#231607;transform:translateY(-2px);box-shadow:0 18px 38px rgba(201,145,58,.44);}
.btn-ghost{
  background:rgba(255,255,255,.07);
  color:#fff;
  border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:24px;
  max-width:520px;
}
.stat-num{
  font-size:1.5rem;
  font-weight:800;
  color:var(--gold-light);
  line-height:1.2;
}
.stat-label{
  font-size:.82rem;
  color:rgba(255,255,255,.66);
  letter-spacing:.04em;
}
.hero-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-xl);
  padding:28px 26px;
  box-shadow:0 26px 60px rgba(0,0,0,.28);
  backdrop-filter:blur(6px);
}
.hero-card-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.86rem;
  letter-spacing:.14em;
  color:var(--gold-light);
  font-weight:700;
  margin-bottom:18px;
}
.hero-card-title i{font-size:.95rem;}
.relation-item{
  display:flex;
  gap:14px;
  padding:13px 0;
  border-bottom:1px dashed rgba(255,255,255,.16);
}
.relation-item:last-child{border-bottom:none;padding-bottom:0;}
.relation-avatar{
  flex:0 0 38px;
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.86rem;
  font-weight:800;
  background:rgba(232,185,104,.16);
  color:var(--gold-light);
  border:1px solid rgba(232,185,104,.34);
}
.relation-name{font-weight:700;color:#fff;font-size:.95rem;line-height:1.4;}
.relation-note{font-size:.82rem;color:rgba(255,255,255,.66);line-height:1.6;}

/* ---------- 通用板块 ---------- */
.section{padding:82px 0;}
.section.alt{background:var(--bg-alt);}
.section.dark{background:linear-gradient(165deg,#131f2e,#1c2f44);color:#fff;}
.section.dark h2,.section.dark h3{color:#fff;}
.section.dark .section-desc{color:rgba(255,255,255,.74);}
.section-head{max-width:760px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.2em;
  color:var(--gold);
  margin-bottom:14px;
  text-transform:uppercase;
}
.section h2{font-size:clamp(1.5rem,2.4vw,2.05rem);margin-bottom:16px;}
.section-desc{color:var(--ink-mute);font-size:1rem;line-height:1.95;margin:0;}

/* ---------- 四类人卡片 ---------- */
.grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.persona-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  height:100%;
}
.persona-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--gold);}
.persona-icon{
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
  background:var(--gold-soft);
  color:var(--gold);
  border:1px solid rgba(201,145,58,.28);
  margin-bottom:18px;
}
.persona-card h3{font-size:1.08rem;margin-bottom:10px;}
.persona-card p{color:var(--ink-mute);font-size:.92rem;line-height:1.85;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;
  padding:5px 12px;
  border-radius:999px;
  font-size:.76rem;
  font-weight:700;
  background:var(--bg-alt);
  color:var(--ink-soft);
  border:1px solid var(--line);
}
.tag.gold{background:var(--gold-soft);color:#8a5d12;border-color:rgba(201,145,58,.34);}
.tag.teal{background:rgba(44,122,107,.10);color:var(--teal);border-color:rgba(44,122,107,.26);}

/* ---------- 阵营对照 ---------- */
.camp-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.camp-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.camp-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.camp-card.highlight{border-color:var(--gold);box-shadow:0 18px 42px rgba(201,145,58,.20);}
.camp-head{
  padding:24px 24px 20px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fdfbf6,#fff);
}
.camp-card.highlight .camp-head{background:linear-gradient(180deg,var(--gold-soft),#fff);}
.camp-kicker{
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--gold);
  margin-bottom:8px;
}
.camp-head h3{font-size:1.16rem;margin-bottom:8px;}
.camp-head span{font-size:.88rem;color:var(--ink-mute);}
.camp-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;}
.camp-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.camp-list li{
  display:flex;
  gap:10px;
  font-size:.92rem;
  color:var(--ink-soft);
  line-height:1.75;
}
.camp-list i{color:var(--teal);font-size:.78rem;margin-top:.55em;flex:0 0 auto;}
.camp-card.highlight .camp-list i{color:var(--gold);}
.camp-foot{margin-top:auto;font-size:.84rem;color:var(--ink-mute);padding-top:16px;border-top:1px dashed var(--line-strong);}

/* ---------- 关系节点时间线 ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  top:26px;
  left:6%;
  right:6%;
  height:2px;
  background:linear-gradient(90deg,rgba(201,145,58,.15),rgba(201,145,58,.7),rgba(201,145,58,.15));
}
.time-node{position:relative;padding-top:60px;}
.time-dot{
  position:absolute;
  top:12px;
  left:0;
  width:30px;
  height:30px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--gold);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.72rem;
  font-weight:800;
  color:var(--gold);
  box-shadow:0 0 0 6px rgba(201,145,58,.10);
}
.time-node h3{font-size:1.02rem;margin-bottom:8px;}
.time-node p{font-size:.9rem;color:var(--ink-mute);line-height:1.8;margin:0;}

/* ---------- 对手戏清单 ---------- */
.scene-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.scene-item{
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:22px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.scene-item:hover{transform:translateX(6px);border-color:var(--gold);box-shadow:var(--shadow-md);}
.scene-num{
  font-size:1.5rem;
  font-weight:800;
  color:rgba(20,32,46,.16);
  line-height:1;
  letter-spacing:.02em;
}
.scene-item h3{font-size:1rem;margin-bottom:6px;}
.scene-item p{font-size:.9rem;color:var(--ink-mute);margin:0;line-height:1.8;}
.scene-tag{
  padding:7px 16px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  background:var(--gold-soft);
  color:#8a5d12;
  border:1px solid rgba(201,145,58,.3);
  white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--r-md) !important;
  overflow:hidden;
  margin-bottom:14px;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.accordion-button{
  font-weight:700;
  font-size:1rem;
  color:var(--ink);
  background:#fff;
  padding:20px 24px;
  line-height:1.6;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:var(--gold-soft);
  color:#8a5d12;
}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(42%) sepia(38%) saturate(720%) hue-rotate(357deg);
}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(201,145,58,.28) !important;}
.accordion-body{
  padding:6px 24px 22px;
  color:var(--ink-mute);
  font-size:.94rem;
  line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-box{
  background:
    radial-gradient(600px 260px at 88% 0%, rgba(232,185,104,.28), transparent 70%),
    linear-gradient(150deg,#16273a,#22405a);
  border-radius:var(--r-xl);
  padding:56px 48px;
  color:#fff;
  display:grid;
  grid-template-columns:1.35fr auto;
  gap:36px;
  align-items:center;
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.cta-box h2{color:#fff;font-size:clamp(1.4rem,2.2vw,1.85rem);margin-bottom:14px;}
.cta-box p{color:rgba(255,255,255,.78);margin:0;font-size:.98rem;line-height:1.9;max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0f1926;
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  font-size:1.12rem;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-desc{
  font-size:.9rem;
  line-height:1.95;
  color:rgba(255,255,255,.62);
  margin-bottom:20px;
  max-width:34em;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tag{
  padding:5px 12px;
  border-radius:999px;
  font-size:.75rem;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.72);
}
.footer-title{
  font-size:.86rem;
  font-weight:800;
  letter-spacing:.14em;
  color:var(--gold-light);
  margin-bottom:18px;
}
.footer-link{
  display:block;
  font-size:.9rem;
  color:rgba(255,255,255,.66);
  padding:6px 0;
}
.footer-link:hover{color:var(--gold-light);transform:translateX(3px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 26px;
  font-size:.84rem;
  color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-link{padding:8px 11px;font-size:.88rem;}
  .brand-name{font-size:.98rem;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-card{max-width:560px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .camp-grid{grid-template-columns:1fr;max-width:620px;margin:0 auto;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .timeline::before{display:none;}
  .cta-box{grid-template-columns:1fr;padding:44px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:900px){
  .nav-bar{flex-wrap:wrap;padding:14px 0;min-height:auto;gap:10px;}
  .brand{order:1;align-items:flex-start;padding:0;text-align:left;}
  .nav-toggle{display:flex;order:2;}
  .nav-side{
    order:3;
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding-top:12px;
    margin-top:8px;
    border-top:1px solid var(--line);
  }
  .nav-bar.is-open .nav-side{display:flex;}
  .nav-link{padding:12px 16px;border-radius:12px;font-size:.95rem;}
  .nav-left,.nav-right{justify-content:flex-start;}
  .section{padding:60px 0;}
  .hero{padding:56px 0 66px;}
}
@media (max-width:640px){
  .grid-4{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .scene-item{grid-template-columns:1fr;gap:14px;padding:20px;}
  .scene-num{font-size:1.2rem;}
  .scene-tag{justify-self:flex-start;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-box{padding:34px 24px;border-radius:var(--r-lg);}
  .btn-main,.btn-ghost{padding:12px 22px;font-size:.9rem;}
  .section-head{margin-bottom:34px;}
}
@media (max-width:380px){
  .brand-name{font-size:.9rem;}
  .hero-stats{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --ink:#111629;
  --ink-soft:#1b2138;
  --paper:#f5f6fb;
  --white:#ffffff;
  --accent:#cf9a3d;
  --accent-light:#f0cd8b;
  --accent-deep:#8b6320;
  --text:#1d2237;
  --muted:#626b85;
  --line:#e3e7f1;
  --r-xl:26px;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --sh-1:0 2px 8px rgba(17,22,41,.05);
  --sh-2:0 16px 36px -20px rgba(17,22,41,.35);
  --sh-3:0 30px 64px -32px rgba(17,22,41,.5);
  --fs-hero:clamp(1.9rem,3.6vw,2.9rem);
  --fs-title:clamp(1.45rem,2.4vw,2rem);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
::selection{background:var(--accent-light);color:var(--ink);}
:focus-visible{outline:3px solid rgba(207,154,61,.55);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1160px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.brand{
  grid-column:2;grid-row:1;justify-self:center;
  display:flex;flex-direction:column;gap:1px;text-align:center;
}
.brand-name{font-size:1.06rem;font-weight:800;color:var(--ink);letter-spacing:.01em;line-height:1.3;}
.brand-name em{font-style:normal;color:var(--accent-deep);}
.brand-sub{font-size:.68rem;letter-spacing:.28em;color:var(--muted);}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-left{grid-column:1;grid-row:1;justify-self:start;}
.nav-right{grid-column:3;grid-row:1;justify-self:end;}
.nav-link{
  position:relative;
  padding:9px 13px;
  border-radius:999px;
  font-size:.93rem;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--ink);background:#f0f2f8;}
.nav-link.active{color:var(--ink);background:rgba(207,154,61,.15);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:3px;
  transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-toggle{
  display:none;
  grid-column:3;grid-row:1;justify-self:end;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle:hover{border-color:var(--accent);box-shadow:var(--sh-1);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(50px,6vw,86px) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:730px;margin-bottom:clamp(26px,3.2vw,44px);}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.76rem;font-weight:800;letter-spacing:.16em;
  color:var(--accent-deep);text-transform:uppercase;
  padding:5px 12px;border-radius:999px;
  background:rgba(207,154,61,.13);
  margin-bottom:16px;
}
.section-title{font-size:var(--fs-title);}
.section-desc{color:var(--muted);margin-top:14px;font-size:.98rem;max-width:64ch;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  font-size:.95rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-main{background:linear-gradient(135deg,#1d2440,#111629);color:#fff;box-shadow:0 12px 26px -14px rgba(17,22,41,.75);}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(17,22,41,.7);}
.btn-main i{font-size:.82rem;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-deep);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-gold{background:linear-gradient(135deg,#e0b262,#cf9a3d);color:#241a06;box-shadow:0 14px 28px -16px rgba(207,154,61,.9);}
.btn-gold:hover{color:#241a06;transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(207,154,61,.95);}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(44px,6vw,88px) 0 clamp(44px,5vw,76px);
  background:
    radial-gradient(1100px 480px at 82% -12%,rgba(207,154,61,.18),transparent 62%),
    linear-gradient(180deg,#ffffff 0%,var(--paper) 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:clamp(26px,4vw,54px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 15px;border-radius:999px;
  background:rgba(17,22,41,.06);
  color:var(--accent-deep);
  font-size:.79rem;font-weight:800;letter-spacing:.09em;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
h1.hero-title{font-size:var(--fs-hero);margin:18px 0 16px;letter-spacing:-.02em;}
.hero-lead{font-size:1.02rem;color:var(--muted);max-width:48ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:clamp(20px,3vw,42px);
  margin-top:34px;padding-top:24px;border-top:1px dashed var(--line);
}
.stat-num{font-size:1.55rem;font-weight:800;color:var(--ink);line-height:1.2;}
.stat-num span{font-size:.86rem;font-weight:700;color:var(--accent-deep);margin-left:2px;}
.stat-label{font-size:.82rem;color:var(--muted);margin-top:2px;}

.hero-card{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,#141a2e 0%,#1e2745 62%,#161d33 100%);
  border-radius:var(--r-xl);
  padding:clamp(24px,3vw,34px);
  color:#dbe1f2;
  box-shadow:var(--sh-3);
}
.hero-card::before{
  content:"";position:absolute;top:-90px;right:-70px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(207,154,61,.5),transparent 66%);
  filter:blur(4px);pointer-events:none;
}
.hero-card h3{color:#fff;font-size:1.05rem;margin-bottom:6px;position:relative;}
.hero-card .card-note{font-size:.82rem;color:#9aa4c2;margin-bottom:18px;position:relative;}
.hero-list li{
  position:relative;
  display:flex;gap:12px;
  padding:12px 0;
  font-size:.93rem;color:#c7cee2;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.hero-list li:last-child{border-bottom:0;padding-bottom:0;}
.hero-list .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;margin-top:9px;}
.hero-list strong{color:#fff;font-weight:700;}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.info-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#dbe0ee;}
.card-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(207,154,61,.14);
  color:var(--accent-deep);
  font-size:1.05rem;
  margin-bottom:16px;
}
.info-card h3{font-size:1.06rem;margin-bottom:10px;}
.info-card p{color:var(--muted);font-size:.93rem;}
.card-kicker{
  display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.12em;
  color:var(--accent-deep);margin-bottom:10px;text-transform:uppercase;
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:18px;}
.timeline::before{
  content:"";position:absolute;left:22px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--accent) 0%,rgba(207,154,61,.12) 100%);
}
.tl-item{position:relative;padding-left:64px;}
.tl-badge{
  position:absolute;left:0;top:2px;
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);
  color:var(--accent-deep);font-weight:800;font-size:.95rem;
  box-shadow:var(--sh-1);
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.tl-body:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.tl-body h3{font-size:1.02rem;margin-bottom:8px;}
.tl-body p{color:var(--muted);font-size:.93rem;}

/* ---------- 深色区块 ---------- */
.section-dark{
  background:linear-gradient(160deg,#111629 0%,#1a2340 58%,#131a2e 100%);
  color:#d5dbec;
}
.section-dark .section-title{color:#fff;}
.section-dark .section-desc{color:#a5aec9;}
.section-dark .section-tag{background:rgba(207,154,61,.18);color:#eec98a;}
.twist-card{
  height:100%;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-lg);
  padding:24px;
  transition:background .25s ease,transform .25s ease,border-color .25s ease;
}
.twist-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);border-color:rgba(207,154,61,.5);}
.twist-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:rgba(207,154,61,.2);color:#f0cd8b;
  font-weight:800;font-size:.86rem;margin-bottom:14px;
}
.twist-card h3{color:#fff;font-size:1.02rem;margin-bottom:10px;}
.twist-card p{color:#a7b0ca;font-size:.92rem;}
.dark-note{
  margin-top:26px;padding:16px 20px;
  border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.22);
  color:#9aa4c2;font-size:.88rem;
}
.dark-note i{color:#eec98a;margin-right:8px;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-no{
  font-size:.78rem;font-weight:800;letter-spacing:.14em;
  color:var(--accent-deep);margin-bottom:12px;
}
.step h3{font-size:1rem;margin-bottom:8px;}
.step p{color:var(--muted);font-size:.9rem;}

/* ---------- 清单 / 分栏 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(26px,4vw,52px);align-items:center;
}
.check-list li{
  display:flex;gap:13px;
  padding:11px 0;
  color:var(--muted);font-size:.95rem;
}
.check{
  flex:none;
  width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(207,154,61,.16);
  color:var(--accent-deep);
  font-size:.68rem;margin-top:5px;
}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:clamp(24px,3vw,34px);box-shadow:var(--sh-2);
}
.panel h3{font-size:1.1rem;margin-bottom:14px;}
.panel .mini-row{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:.92rem;
}
.panel .mini-row:last-child{border-bottom:0;}
.panel .mini-row span:first-child{color:var(--muted);}
.panel .mini-row span:last-child{font-weight:700;color:var(--ink);}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg) !important;
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  font-weight:700;
  font-size:.99rem;
  color:var(--ink);
  background:#fff;
  padding:19px 24px;
  box-shadow:none;
  border:0;
}
.faq .accordion-button:not(.collapsed){
  background:rgba(207,154,61,.09);
  color:var(--accent-deep);
}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{width:14px;height:14px;background-size:14px;}
.faq .accordion-body{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.88;
}

/* ---------- CTA ---------- */
.cta-wrap{padding:clamp(40px,5vw,72px) 0;}
.cta{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1a2340 0%,#111629 100%);
  border-radius:var(--r-xl);
  padding:clamp(30px,4.5vw,54px);
  color:#e4e9f6;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:clamp(24px,3vw,44px);
  align-items:center;
  box-shadow:var(--sh-3);
}
.cta::before{
  content:"";position:absolute;right:-90px;bottom:-140px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(207,154,61,.35),transparent 68%);
  pointer-events:none;
}
.cta h2{color:#fff;font-size:clamp(1.35rem,2.3vw,1.85rem);margin-bottom:12px;}
.cta p{color:#a9b2cc;font-size:.96rem;max-width:52ch;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;}
.cta-actions .btn-main{background:linear-gradient(135deg,#e0b262,#cf9a3d);color:#241a06;justify-content:center;}
.cta-actions .btn-main:hover{color:#241a06;}
.cta-actions .btn-ghost{background:transparent;color:#e4e9f6;border-color:rgba(255,255,255,.28);justify-content:center;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:clamp(40px,5vw,64px) 0 22px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:clamp(24px,3.5vw,44px);
}
.footer-brand{font-weight:800;font-size:1.05rem;color:var(--ink);margin-bottom:12px;}
.footer-desc{color:var(--muted);font-size:.92rem;max-width:44ch;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tag{
  font-size:.75rem;padding:4px 11px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--muted);
}
.footer-title{font-weight:700;font-size:.95rem;color:var(--ink);margin-bottom:12px;}
.footer-link{
  display:block;color:var(--muted);font-size:.92rem;
  padding:5px 0;transition:color .2s ease,padding-left .2s ease;
}
.footer-link:hover{color:var(--accent-deep);padding-left:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid var(--line);
  margin-top:36px;padding-top:20px;
  color:var(--muted);font-size:.84rem;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-link{padding:8px 10px;font-size:.88rem;}
  .brand-name{font-size:.98rem;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-card{max-width:560px;}
  .grid-3,.grid-4,.steps{grid-template-columns:repeat(2,1fr);}
  .cta{grid-template-columns:1fr;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991.98px){
  .nav-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;}
  .brand{order:1;align-items:flex-start;text-align:left;}
  .nav-toggle{display:flex;order:2;}
  .nav-side{
    order:3;flex-basis:100%;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding-top:6px;
  }
  .nav-bar.is-open .nav-side{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;background:#f7f8fc;font-size:.94rem;}
  .nav-link.active::after{display:none;}
}
@media (max-width:768px){
  .section{padding:44px 0;}
  .hero{padding:36px 0 44px;}
  .grid-3,.grid-2,.grid-4,.steps{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:26px;}
  .timeline::before{left:18px;}
  .tl-item{padding-left:54px;}
  .tl-badge{width:38px;height:38px;border-radius:11px;font-size:.85rem;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .hero-stats{gap:20px 28px;}
  .stat-num{font-size:1.35rem;}
  .info-card,.twist-card,.step{padding:22px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-name{font-size:.92rem;}
  .brand-sub{font-size:.62rem;letter-spacing:.2em;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .cta-actions{flex-direction:column;}
  .faq .accordion-button{font-size:.93rem;padding:16px 18px;}
  .faq .accordion-body{padding:0 18px 18px;font-size:.9rem;}
  .dark-note{font-size:.84rem;padding:14px 16px;}
}

/* roulang page: category3 */
:root{
  --ink:#101826;
  --ink-soft:#1b2a3f;
  --ink-deep:#0b111c;
  --text:#222c3d;
  --muted:#616d80;
  --line:#e5e1d8;
  --line-soft:#efece4;
  --bg:#f7f5f1;
  --surface:#ffffff;
  --accent:#b8891f;
  --accent-bright:#e0b455;
  --accent-soft:#fbf3e1;
  --teal:#1f8a80;
  --teal-soft:#e7f4f2;
  --radius-xl:26px;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-xs:0 1px 3px rgba(16,24,38,.06);
  --shadow-sm:0 6px 20px rgba(16,24,38,.07);
  --shadow:0 18px 44px rgba(16,24,38,.10);
  --shadow-lg:0 30px 70px rgba(16,24,38,.18);
  --container:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.28;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(184,137,31,.45);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.section{padding:88px 0;position:relative}
.section--soft{background:var(--surface);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section--dark{background:linear-gradient(160deg,#111a29 0%,#0b111c 100%);color:#d8dfea}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-head.align-left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--accent);text-transform:uppercase;
  background:var(--accent-soft);
  padding:7px 16px;border-radius:999px;margin-bottom:18px;
}
.section--dark .eyebrow{background:rgba(224,180,85,.14);color:var(--accent-bright)}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16.5px}
.section--dark .section-head p{color:#a9b6c8}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(247,245,241,.93);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-areas:"left brand right";
  align-items:center;
  gap:14px;
  padding:14px 0;
  transition:padding .25s var(--ease);
}
.brand{
  grid-area:brand;
  display:flex;flex-direction:column;align-items:center;
  line-height:1.2;text-align:center;
  padding:0 10px;
}
.brand-name{
  font-size:18px;font-weight:900;color:var(--ink);
  letter-spacing:.6px;white-space:nowrap;
}
.brand-name em{font-style:normal;color:var(--accent)}
.brand-sub{
  font-size:11px;letter-spacing:4px;color:var(--muted);
  margin-top:3px;
}
.nav-side{display:flex;align-items:center;gap:4px}
.nav-left{grid-area:left;justify-self:end}
.nav-right{grid-area:right;justify-self:start}
.nav-link{
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;font-weight:600;color:#3d4759;
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link:hover{background:#eeebe3;color:var(--ink);transform:translateY(-1px)}
.nav-link.active{background:var(--ink);color:#fff;box-shadow:var(--shadow-xs)}
.nav-toggle{
  display:none;
  grid-area:toggle;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);box-shadow:var(--shadow-xs)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .22s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--ink);transition:transform .25s var(--ease),top .25s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-bar.open .nav-toggle span{background:transparent}
.nav-bar.open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-bar.open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 78% -12%, rgba(224,180,85,.20), transparent 62%),
    radial-gradient(760px 420px at 8% 8%, rgba(31,138,128,.20), transparent 60%),
    linear-gradient(165deg,#152033 0%,#101826 48%,#0b111c 100%);
  color:#e8eef7;
  padding:84px 0 0;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% -10%;height:340px;
  background:radial-gradient(closest-side,rgba(224,180,85,.16),transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(224,180,85,.34);
  color:#f0d79b;font-size:13.5px;font-weight:700;letter-spacing:1.6px;
  margin-bottom:24px;
}
.hero-badge i{color:var(--accent-bright)}
.hero h1{
  color:#fff;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.24;
  letter-spacing:.5px;
  margin-bottom:20px;
}
.hero h1 span{color:var(--accent-bright)}
.hero-lead{
  font-size:17px;color:#b9c5d6;max-width:720px;margin:0 auto 34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:58px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;
  font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:translateY(1px) scale(.995)}
.btn-primary{background:linear-gradient(135deg,var(--accent-bright),var(--accent));color:#231a05;box-shadow:0 14px 30px rgba(184,137,31,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(184,137,31,.42);color:#231a05}
.btn-ghost{background:rgba(255,255,255,.06);color:#eef3fa;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:#1c2942;transform:translateY(-2px);color:#fff;box-shadow:var(--shadow)}
.btn-outline{background:transparent;color:var(--ink);border-color:#cfc9bc}
.btn-outline:hover{border-color:var(--ink);background:#fff;transform:translateY(-2px);color:var(--ink)}

.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.10);
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-stat{
  background:rgba(255,255,255,.03);
  padding:26px 20px 30px;
  text-align:center;
  transition:background .25s var(--ease);
}
.hero-stat:hover{background:rgba(255,255,255,.08)}
.hero-stat b{display:block;font-size:30px;font-weight:900;color:var(--accent-bright);line-height:1.1;letter-spacing:1px}
.hero-stat small{display:block;margin-top:8px;font-size:13.5px;color:#9fb0c6;letter-spacing:1px}

/* ---------- 通用组件 ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px 30px;
  box-shadow:var(--shadow-xs);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  height:100%;
}
.panel:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d8d1c2}
.panel-icon{
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:20px;
  background:var(--accent-soft);color:var(--accent);
}
.panel-icon.teal{background:var(--teal-soft);color:var(--teal)}
.panel h3{font-size:19px;margin-bottom:12px}
.panel p{color:var(--muted);font-size:15.3px}
.tag{
  display:inline-block;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;
  background:var(--accent-soft);color:#8a6412;
  margin-top:16px;
}
.tag.teal{background:var(--teal-soft);color:#15705f}
.tag.plain{background:#eeeae2;color:#4d5766}

/* ---------- 能力层级 ---------- */
.level-list{display:flex;flex-direction:column;gap:18px;counter-reset:lvl}
.level-item{
  display:grid;grid-template-columns:74px 1fr;gap:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--radius-lg);
  padding:26px 30px;
  box-shadow:var(--shadow-xs);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-left-color .28s var(--ease);
}
.level-item:hover{transform:translateX(5px);box-shadow:var(--shadow);border-left-color:var(--teal)}
.level-no{
  font-size:26px;font-weight:900;color:#d9d2c3;
  letter-spacing:1px;line-height:1.2;padding-top:2px;
}
.level-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.level-head h3{font-size:20px}
.level-head .level-tag{
  font-size:12px;font-weight:700;letter-spacing:1px;
  padding:3px 11px;border-radius:999px;
  background:var(--teal-soft);color:#15705f;
}
.level-item p{color:var(--muted);font-size:15.3px}
.level-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.level-points li{
  font-size:13px;color:#4b5668;
  background:#f4f1ea;border:1px solid var(--line-soft);
  padding:5px 12px;border-radius:8px;
}

/* ---------- 用法卡 ---------- */
.usage-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  height:100%;
  overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.usage-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--accent-bright),var(--teal));
  opacity:0;transition:opacity .28s var(--ease);
}
.usage-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.usage-card:hover::before{opacity:1}
.usage-card .num{
  font-size:12.5px;font-weight:800;letter-spacing:2px;color:var(--accent);
}
.usage-card h3{font-size:19px;margin:10px 0 12px}
.usage-card p{color:var(--muted);font-size:15.2px}

/* ---------- 代价 ---------- */
.cost-list{display:flex;flex-direction:column;gap:16px}
.cost-item{
  display:grid;grid-template-columns:46px 1fr;gap:16px;
  padding:20px 22px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.cost-item:hover{background:rgba(255,255,255,.10);transform:translateX(4px)}
.cost-item i{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(224,180,85,.16);color:var(--accent-bright);font-size:17px;
}
.cost-item h3{font-size:16.5px;margin-bottom:5px;color:#fff}
.cost-item p{color:#a9b6c8;font-size:14.8px}
.rule-card{
  background:linear-gradient(150deg,rgba(224,180,85,.16),rgba(31,138,128,.12));
  border:1px solid rgba(224,180,85,.34);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  height:100%;
}
.rule-card h3{font-size:21px;margin-bottom:14px;color:#fff}
.rule-card p{color:#c2cddb;font-size:15.3px;margin-bottom:14px}
.rule-card strong{color:var(--accent-bright);font-weight:800}

/* ---------- 场景 ---------- */
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:0;
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow-xs);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.scene-top{
  padding:24px 26px 0;
  display:flex;align-items:center;gap:12px;
}
.scene-top .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(184,137,31,.14);
}
.scene-top span{font-size:12.5px;font-weight:800;letter-spacing:1.8px;color:var(--muted)}
.scene-card h3{padding:12px 26px 0;font-size:18.5px}
.scene-card p{padding:10px 26px 26px;color:var(--muted);font-size:15px}
.scene-card .scene-foot{
  border-top:1px dashed var(--line);
  padding:14px 26px;
  font-size:13.4px;color:#4b5668;background:#faf8f4;
}
.scene-card .scene-foot b{color:var(--accent)}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius) !important;
  margin-bottom:14px;
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow-xs);
}
.faq .accordion-button{
  font-size:16.5px;font-weight:700;color:var(--ink);
  background:var(--surface);
  padding:20px 24px;
  box-shadow:none !important;
}
.faq .accordion-button:not(.collapsed){background:var(--accent-soft);color:#7d5a10}
.faq .accordion-button::after{
  width:14px;height:14px;background-size:14px;
  filter:saturate(0) brightness(.45);
}
.faq .accordion-body{
  padding:4px 24px 24px;
  color:var(--muted);font-size:15.3px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(150deg,#152033,#0b111c 70%);
  border-radius:var(--radius-xl);
  padding:60px 48px;
  color:#dbe4f0;
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;
  background:radial-gradient(closest-side,rgba(224,180,85,.22),transparent);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(23px,3vw,32px);margin-bottom:16px;position:relative}
.cta-band p{color:#aab7c9;max-width:640px;margin:0 auto 30px;position:relative;font-size:16px}
.cta-band .hero-actions{margin-bottom:0;position:relative}

/* ---------- Footer ---------- */
.site-footer{
  background:#0b111c;
  color:#9fadc0;
  padding:72px 0 0;
  margin-top:0;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand{
  font-size:19px;font-weight:900;color:#fff;margin-bottom:14px;letter-spacing:.5px;
}
.footer-desc{font-size:14.6px;line-height:1.85;color:#93a2b6;max-width:420px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-tag{
  font-size:12.4px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  color:#b7c4d4;
}
.footer-title{
  font-size:14px;font-weight:800;color:#fff;
  letter-spacing:2px;margin-bottom:18px;
}
.footer-link{
  display:block;
  font-size:14.6px;color:#93a2b6;
  padding:6px 0;
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-link:hover{color:var(--accent-bright);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13.4px;color:#7c8a9e;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:991.98px){
  .nav-bar{
    grid-template-columns:1fr auto;
    grid-template-areas:"brand toggle" "left left" "right right";
    align-items:center;
    padding:12px 0;
  }
  .brand{align-items:flex-start;text-align:left;padding:0}
  .brand-name{font-size:16.5px}
  .brand-sub{letter-spacing:3px}
  .nav-toggle{display:flex}
  .nav-side{
    display:none;
    justify-self:stretch;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-bar.open .nav-side{display:flex;padding:6px 0}
  .nav-left,.nav-right{grid-area:auto}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:16px}
  .section{padding:68px 0}
  .level-item{grid-template-columns:1fr;gap:10px}
  .level-no{font-size:20px}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding-top:64px}
  .hero-lead{font-size:16px}
  .hero-stat b{font-size:25px}
  .section-head{margin-bottom:38px}
  .cta-band{padding:44px 24px;border-radius:var(--radius-lg)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cost-item{grid-template-columns:40px 1fr;gap:12px;padding:18px}
  .cost-item i{width:40px;height:40px;border-radius:12px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:26px}
  .hero-actions{gap:10px}
  .btn{width:100%;padding:13px 20px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat{padding:20px 16px}
  .panel{padding:24px 20px}
  .level-item{padding:22px 20px}
  .brand-name{font-size:15px;white-space:normal}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq .accordion-button{font-size:15.2px;padding:16px 18px}
}

/* roulang page: category4 */
:root{
  --brand:#3f4ede;
  --brand-dark:#2a35a6;
  --brand-soft:#eef0ff;
  --accent:#f2a13f;
  --accent-soft:#fff4e2;
  --ink:#101426;
  --ink-2:#2a3048;
  --muted:#6c7488;
  --line:#e3e7f1;
  --bg:#f6f7fb;
  --surface:#ffffff;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(16,20,38,.06);
  --shadow-md:0 14px 34px rgba(16,20,38,.10);
  --shadow-lg:0 26px 60px rgba(16,20,38,.16);
  --space-section:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .container{padding-left:20px;padding-right:20px}
.nav-bar{display:flex;align-items:center;gap:14px;min-height:80px;flex-wrap:wrap}
.brand{
  order:2;flex:0 0 auto;margin:0 auto;
  display:flex;flex-direction:column;align-items:center;text-align:center;line-height:1.2;
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px}
.brand-name em{font-style:normal;color:var(--brand)}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:2px;margin-top:5px}
.nav-side{order:1;display:flex;align-items:center;gap:2px;flex:1 1 0%;min-width:0}
.nav-right{order:3;justify-content:flex-end}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:all .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-toggle{
  order:4;display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;padding:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;padding:76px 0 84px;
  background:
    radial-gradient(circle at 10% 8%, rgba(63,78,222,.14), transparent 46%),
    radial-gradient(circle at 90% 0%, rgba(242,161,63,.18), transparent 42%),
    linear-gradient(180deg,#ffffff 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;
  letter-spacing:1px;border:1px solid rgba(63,78,222,.16);
}
.hero h1{
  font-size:clamp(2rem,3.5vw,3rem);line-height:1.24;font-weight:800;
  letter-spacing:-.5px;margin:20px 0 18px;color:var(--ink);
}
.hero-lead{font-size:17.5px;color:var(--ink-2);font-weight:600;margin-bottom:14px;max-width:620px}
.hero-desc{font-size:15.5px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px;max-width:560px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-sm)}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(63,78,222,.28)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(63,78,222,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(63,78,222,.28)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-label{font-size:12.5px;font-weight:800;letter-spacing:2px;color:var(--brand);margin-bottom:12px}
.section-head h2{font-size:clamp(1.55rem,2.4vw,2.15rem);font-weight:800;line-height:1.32;margin-bottom:14px;color:var(--ink)}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- 卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-x{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(63,78,222,.34)}
.card-x h3{font-size:19px;font-weight:800;margin:14px 0 10px;color:var(--ink)}
.card-x p{font-size:15px;color:var(--muted);margin-bottom:12px}
.tag{display:inline-block;font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark)}
.tag-accent{background:var(--accent-soft);color:#a4641a}
.tag-dark{background:rgba(255,255,255,.18);color:#fff}
.plan-points{display:grid;gap:10px;margin-top:18px}
.plan-points li{position:relative;padding-left:15px;font-size:14.5px;color:var(--muted);line-height:1.7}
.plan-points li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--brand)}
.plan-points b{color:var(--ink);font-weight:700;margin-right:6px}
.plan-featured{background:linear-gradient(155deg,#1f2550 0%,#2f3680 58%,#3f4ede 100%);border-color:transparent;color:#fff;box-shadow:var(--shadow-lg)}
.plan-featured h3{color:#fff}
.plan-featured p{color:rgba(255,255,255,.8)}
.plan-featured .plan-points li{color:rgba(255,255,255,.78)}
.plan-featured .plan-points li::before{background:var(--accent)}
.plan-featured .plan-points b{color:#fff}
.plan-featured:hover{transform:translateY(-6px);box-shadow:0 30px 66px rgba(31,37,80,.34)}

/* ---------- 清单 ---------- */
.check-list{display:grid;gap:0}
.check-list li{
  position:relative;padding:16px 4px 16px 40px;border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:none}
.check-list li::before{
  content:"";position:absolute;left:6px;top:23px;width:12px;height:12px;border-radius:50%;
  background:var(--accent-soft);border:2px solid var(--accent);
}
.check-list li strong{display:block;color:var(--ink);font-size:16px;margin-bottom:3px}
.check-list li span{color:var(--muted);font-size:14.5px}

/* ---------- 节奏时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tl-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:56px 24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.tl-num{
  position:absolute;top:-18px;left:24px;width:42px;height:42px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  box-shadow:var(--shadow-sm);
}
.tl-item h3{font-size:17px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- 深色提示区 ---------- */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 32px;box-shadow:var(--shadow-sm);
}
.panel-deep{
  background:linear-gradient(150deg,#111631 0%,#1e2450 60%,#2a3070 100%);
  border-color:transparent;color:#fff;box-shadow:var(--shadow-lg);
}
.panel-deep h2{color:#fff;font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:800;margin-bottom:14px}
.panel-deep p{color:rgba(255,255,255,.78);font-size:15.5px}
.hint-list{display:grid;gap:14px;margin-top:24px}
.hint-item{
  display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);padding:16px 18px;
}
.hint-item i{color:var(--accent);font-size:16px;margin-top:4px}
.hint-item div{font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.72}
.hint-item b{color:#fff;display:block;font-size:15px;margin-bottom:3px}

/* ---------- FAQ ---------- */
.accordion-item{
  border:1px solid var(--line) !important;border-radius:var(--radius-md) !important;
  margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  font-size:16px;font-weight:700;color:var(--ink);background:#fff;
  padding:20px 22px;box-shadow:none !important;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft)}
.accordion-button:hover{color:var(--brand)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-body{padding:4px 22px 22px;color:var(--muted);font-size:15.3px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;padding:58px 52px;
  background:linear-gradient(135deg,#151a38 0%,#262c66 52%,#3f4ede 100%);
  color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle, rgba(242,161,63,.36), transparent 68%);
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;color:#fff;margin-bottom:16px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.8px;max-width:760px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;position:relative;z-index:1}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3);box-shadow:none}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:#0e1223;color:#b9c0d4;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;padding-bottom:46px}
.footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:14px;letter-spacing:.4px}
.footer-desc{font-size:14.5px;line-height:1.9;color:#98a1bb;max-width:430px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-tag{
  font-size:12.5px;padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);color:#c3cae0;
}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.6px}
.footer-link{display:block;color:#98a1bb;font-size:14.5px;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-link:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7d86a2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero{padding:60px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:48px 36px}
}
@media (max-width:991.98px){
  .nav-bar{min-height:auto;padding:12px 0;gap:10px}
  .brand{order:1;margin:0;align-items:flex-start;text-align:left}
  .brand-sub{letter-spacing:1.5px}
  .nav-toggle{order:2;display:flex;margin-left:auto}
  .nav-side{
    order:3;display:none;flex:0 0 100%;flex-direction:column;align-items:stretch;
    gap:2px;padding-top:10px;margin-top:10px;border-top:1px solid var(--line);
  }
  .nav-right{border-top:none;padding-top:0;margin-top:0}
  .nav-bar.menu-open .nav-side{display:flex}
  .nav-link{display:block;padding:11px 12px;border-radius:10px;text-align:left}
  .nav-link.active::after{display:none}
}
@media (max-width:768px){
  :root{--space-section:60px}
  .grid-2,.grid-3,.timeline{grid-template-columns:1fr}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:1.85rem}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat{padding:12px 12px}
  .stat b{font-size:20px}
  .stat span{font-size:12px}
  .card-x,.panel{padding:24px 20px}
  .cta-band{padding:36px 24px;border-radius:20px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:1px}
  .hero-stats{grid-template-columns:1fr;max-width:100%}
  .section-head h2{font-size:1.4rem}
  .tl-item{padding:50px 20px 22px}
  .accordion-button{font-size:15px;padding:17px 18px}
  .accordion-body{padding:2px 18px 18px}
}

/* roulang page: category5 */
:root{
  --ink:#121a2e;
  --ink-2:#1b2440;
  --ink-3:#2b3552;
  --text:#26304a;
  --muted:#6c768d;
  --line:#e4e0d6;
  --line-soft:#efece4;
  --bg:#faf8f4;
  --surface:#ffffff;
  --surface-2:#f3f0e9;
  --accent:#c8952f;
  --accent-dark:#a97a1c;
  --accent-soft:#f7edd8;
  --teal:#2f7f8c;
  --teal-soft:#e4f1f2;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-xs:0 1px 3px rgba(18,26,46,.06);
  --shadow-sm:0 6px 18px rgba(18,26,46,.07);
  --shadow:0 16px 40px rgba(18,26,46,.10);
  --shadow-lg:0 32px 70px rgba(18,26,46,.18);
  --section-gap:clamp(56px,6.5vw,96px);
  --font:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--accent-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;color:var(--ink);line-height:1.28;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(200,149,47,.55);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:20px;
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(250,248,244,.92);
  backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.nav-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:78px;
  position:relative;
}
.brand{
  grid-column:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:6px 18px;
}
.brand-name{
  font-size:1.06rem;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.4px;
  line-height:1.2;
  white-space:nowrap;
}
.brand-name em{
  font-style:normal;
  color:var(--accent-dark);
}
.brand-sub{
  font-size:.7rem;
  letter-spacing:.32em;
  color:var(--muted);
  margin-top:4px;
  text-transform:uppercase;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-left{grid-column:1;justify-self:start;}
.nav-right{grid-column:3;justify-self:end;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:.94rem;
  font-weight:600;
  color:var(--ink-3);
  border-radius:var(--radius-xs);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--accent-soft);color:var(--accent-dark);}
.nav-link.active{color:var(--accent-dark);background:var(--accent-soft);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.nav-toggle{
  display:none;
  grid-column:3;
  justify-self:end;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--radius-xs);
  cursor:pointer;
  position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle:hover{border-color:var(--accent);box-shadow:var(--shadow-xs);}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  content:"";
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#e8eaf2;
  padding:clamp(56px,7vw,96px) 0 clamp(52px,6vw,84px);
}
.hero::before{
  content:"";
  position:absolute;
  width:680px;height:680px;
  right:-190px;top:-260px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(200,149,47,.30),rgba(200,149,47,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  left:-200px;bottom:-280px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(47,127,140,.32),rgba(47,127,140,0) 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(32px,4vw,64px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  font-size:.8rem;
  letter-spacing:.16em;
  color:#f0d9a8;
  font-weight:600;
}
.eyebrow i{color:#e2b968;}
.hero h1{
  color:#fff;
  font-size:clamp(2rem,3.6vw,3.05rem);
  margin:22px 0 18px;
  letter-spacing:.5px;
}
.hero h1 em{
  font-style:normal;
  color:#e8bd6a;
}
.hero-lead{
  font-size:clamp(1rem,1.2vw,1.08rem);
  color:#c3c9dc;
  max-width:35em;
  line-height:1.9;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn-main,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:.96rem;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;
}
.btn-main{
  background:linear-gradient(135deg,#e0b45f,#c8952f);
  color:#241a06;
  box-shadow:0 12px 26px rgba(200,149,47,.32);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(200,149,47,.42);color:#241a06;}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.34);
  color:#eef0f7;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-2px);}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:38px;
  max-width:460px;
}
.stat{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
  border-radius:var(--radius-sm);
  padding:14px 14px 12px;
}
.stat-num{
  font-size:1.42rem;
  font-weight:800;
  color:#f0d9a8;
  line-height:1.1;
}
.stat-label{font-size:.78rem;color:#a9b1c7;margin-top:6px;letter-spacing:.06em;}

/* hero visual card */
.hero-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:linear-gradient(160deg,#232f52,#141c31 70%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-lg);
  padding:26px;
}
.eye-frame{
  position:relative;
  aspect-ratio:16/11;
  border-radius:var(--radius);
  background:
    radial-gradient(circle at 50% 50%,rgba(200,149,47,.22),rgba(200,149,47,0) 62%),
    linear-gradient(150deg,#1d2748,#101828);
  border:1px solid rgba(255,255,255,.10);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.eye-shape{
  width:74%;
  aspect-ratio:16/9;
  border-radius:50% 50% 50% 50%/60% 60% 60% 60%;
  border:2px solid rgba(232,189,106,.75);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 42px rgba(232,189,106,.30) inset;
}
.eye-pupil{
  width:34%;
  aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle at 42% 40%,#f6e3b6,#c8952f 58%,#7c5a12);
  box-shadow:0 0 34px rgba(232,189,106,.55);
}
.hero-card-caption{
  margin-top:20px;
  font-size:.86rem;
  color:#a9b1c7;
  line-height:1.8;
}
.hero-card-caption strong{color:#f0d9a8;display:block;font-size:.94rem;margin-bottom:6px;letter-spacing:.1em;}

/* ---------- generic section ---------- */
.section{padding:var(--section-gap) 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:clamp(30px,4vw,50px);}
.section-tag{
  display:inline-block;
  padding:6px 15px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.14em;
  margin-bottom:16px;
}
.section-tag.teal{background:var(--teal-soft);color:#1e5f6a;}
.section-head h2{
  font-size:clamp(1.55rem,2.6vw,2.2rem);
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:1rem;line-height:1.9;}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:28px 26px;
  box-shadow:var(--shadow-xs);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ded7c6;}
.card-icon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:1.1rem;
  margin-bottom:18px;
}
.card-icon.teal{background:var(--teal-soft);color:#1e5f6a;}
.card h3{font-size:1.1rem;margin-bottom:10px;}
.card p{color:var(--muted);font-size:.94rem;line-height:1.85;}
.card-meta{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:.82rem;
  color:#8b7c5b;
  letter-spacing:.05em;
}

/* ---------- timeline / flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
  counter-reset:flow;
}
.flow-step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:26px 20px 22px;
  box-shadow:var(--shadow-xs);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:50%;
  background:var(--ink);
  color:#f0d9a8;
  font-weight:800;
  font-size:.9rem;
  margin-bottom:16px;
}
.flow-step h3{font-size:1rem;margin-bottom:8px;}
.flow-step p{font-size:.88rem;color:var(--muted);line-height:1.8;}

/* ---------- split feature ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.split-visual{
  border-radius:var(--radius-lg);
  background:linear-gradient(155deg,#1e2846,#121a2e);
  border:1px solid rgba(255,255,255,.10);
  padding:32px;
  color:#c3c9dc;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.split-visual::before{
  content:"";
  position:absolute;
  inset:auto -40px -60px auto;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,149,47,.30),transparent 70%);
}
.prop-list{display:grid;gap:12px;position:relative;z-index:1;}
.prop-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 15px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  font-size:.9rem;
  line-height:1.7;
}
.prop-item i{color:#e8bd6a;margin-top:4px;}
.prop-item b{color:#f0d9a8;font-weight:700;}
.split-text h2{font-size:clamp(1.5rem,2.4vw,2.05rem);margin-bottom:16px;}
.split-text p{color:var(--muted);line-height:1.95;margin-bottom:14px;}
.check-list{display:grid;gap:12px;margin-top:22px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:.95rem;
  color:var(--text);
}
.check-list i{color:var(--teal);margin-top:5px;font-size:.85rem;}

/* ---------- quote / evidence ---------- */
.quote-band{
  background:var(--ink);
  color:#dfe3ee;
  border-radius:var(--radius-lg);
  padding:clamp(32px,4.5vw,56px);
  position:relative;
  overflow:hidden;
}
.quote-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,127,140,.30),transparent 70%);
}
.quote-band blockquote{
  margin:0;
  font-size:clamp(1.1rem,1.9vw,1.45rem);
  line-height:1.85;
  color:#fff;
  font-weight:700;
  max-width:52em;
  position:relative;
  z-index:1;
}
.quote-band blockquote span{color:#e8bd6a;}
.quote-by{
  margin-top:20px;
  font-size:.88rem;
  color:#a9b1c7;
  letter-spacing:.08em;
  position:relative;
  z-index:1;
}
.evidence-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:34px;
  position:relative;
  z-index:1;
}
.evidence{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-sm);
  padding:18px;
  background:rgba(255,255,255,.04);
}
.evidence b{display:block;font-size:1.36rem;color:#f0d9a8;line-height:1.2;}
.evidence span{display:block;margin-top:8px;font-size:.8rem;color:#a9b1c7;letter-spacing:.05em;}

/* ---------- faq ---------- */
.accordion-item{
  border:1px solid var(--line-soft);
  border-radius:var(--radius-sm)!important;
  overflow:hidden;
  margin-bottom:14px;
  background:var(--surface);
  box-shadow:var(--shadow-xs);
}
.accordion-button{
  font-weight:700;
  color:var(--ink);
  background:var(--surface);
  font-size:1rem;
  padding:20px 22px;
  border-radius:var(--radius-sm)!important;
}
.accordion-button:not(.collapsed){
  background:var(--accent-soft);
  color:var(--accent-dark);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:3px solid rgba(200,149,47,.4);}
.accordion-button::after{
  filter:saturate(0);
}
.accordion-body{
  padding:4px 22px 22px;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.9;
  background:var(--surface);
}

/* ---------- cta ---------- */
.cta{
  background:linear-gradient(140deg,#1d2748 0%,#121a2e 65%);
  color:#dfe3ee;
  border-radius:var(--radius-lg);
  padding:clamp(34px,5vw,62px);
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:34px;
  align-items:center;
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.cta::before{
  content:"";
  position:absolute;
  left:-120px;bottom:-160px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,149,47,.28),transparent 70%);
}
.cta h2{
  color:#fff;
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  margin-bottom:14px;
  position:relative;
  z-index:1;
}
.cta p{color:#bcc3d6;line-height:1.9;position:relative;z-index:1;max-width:40em;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
.cta-note{font-size:.8rem;color:#8f98b1;text-align:center;letter-spacing:.05em;}

/* ---------- footer ---------- */
.site-footer{
  background:#0e1527;
  color:#98a1b8;
  padding:clamp(48px,6vw,76px) 0 0;
  margin-top:var(--section-gap);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:clamp(28px,4vw,56px);
  padding-bottom:44px;
}
.footer-brand{
  font-size:1.1rem;
  font-weight:800;
  color:#fff;
  letter-spacing:.4px;
  margin-bottom:14px;
}
.footer-desc{font-size:.9rem;line-height:1.95;color:#8d97b0;max-width:36em;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.footer-tag{
  font-size:.76rem;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  color:#b6bfd4;
  letter-spacing:.05em;
}
.footer-title{
  color:#fff;
  font-weight:700;
  font-size:.95rem;
  margin-bottom:16px;
  letter-spacing:.1em;
}
.footer-link{
  display:block;
  font-size:.9rem;
  color:#8d97b0;
  padding:6px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:#e8bd6a;transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 26px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:.82rem;
  color:#78829b;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-card{max-width:520px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr));}
  .evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991.98px){
  .nav-bar{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    min-height:70px;
    gap:10px;
    padding-block:8px;
  }
  .brand{align-items:flex-start;text-align:left;padding:0;}
  .brand-name{font-size:.98rem;white-space:normal;}
  .nav-toggle{display:block;order:3;}
  .nav-side{
    order:4;
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:10px 0 14px;
    border-top:1px solid var(--line-soft);
    margin-top:8px;
  }
  .nav-bar.is-open .nav-side{display:flex;}
  .nav-left,.nav-right{justify-self:stretch;}
  .nav-link{padding:12px 14px;font-size:.96rem;}
  .nav-link.active::after{left:14px;transform:none;bottom:8px;}
}
@media (max-width:768px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));max-width:100%;}
  .stat-num{font-size:1.16rem;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:clamp(44px,9vw,64px) 0;}
}
@media (max-width:520px){
  .flow{grid-template-columns:1fr;}
  .evidence-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .hero h1{font-size:1.72rem;}
  .brand-name{font-size:.92rem;}
  .brand-sub{letter-spacing:.22em;font-size:.64rem;}
  .card{padding:22px 20px;}
  .split-visual{padding:22px;}
  .footer-bottom{flex-direction:column;}
}