/* roulang page: index */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --bg:#0a0b10;
  --bg-2:#0d1017;
  --surface:#141821;
  --surface-2:#1a1f2b;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef0f5;
  --text-soft:#a8afbe;
  --text-dim:#7c8494;
  --ember:#ff6a3d;
  --ember-2:#ffb15c;
  --ember-soft:rgba(255,106,61,.14);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:30px;
  --shadow-sm:0 4px 16px rgba(0,0,0,.35);
  --shadow-md:0 16px 44px rgba(0,0,0,.5);
  --shadow-ember:0 14px 38px rgba(255,106,61,.24);
  --sp:clamp(56px,7vw,100px);
  --maxw:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
}

/* ============================================================
   基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.26;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img,svg{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--ember-2);outline-offset:3px;border-radius:8px}
::selection{background:var(--ember);color:#1b0c05}

/* ============================================================
   容器与通用布局
   ============================================================ */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.18em;
  color:var(--ember-2);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--ember)}
.section-title{font-size:clamp(23px,3vw,34px)}
.section-sub{margin-top:14px;color:var(--text-soft);font-size:15.5px;max-width:660px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============================================================
   按钮 / 标签
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .24s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--ember),#ff954b);color:#1b0c05;box-shadow:var(--shadow-ember)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(255,106,61,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 22px rgba(255,106,61,.26)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(255,106,61,.55);color:var(--ember-2);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:var(--ember-soft);border:1px solid rgba(255,106,61,.32);
  color:var(--ember-2);font-size:13px;font-weight:600;
}

/* ============================================================
   页头 / 导航 / Mega Menu
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,11,16,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:76px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--ember),#ffa257);
  color:#1b0c05;font-weight:800;font-size:17px;
  box-shadow:var(--shadow-ember);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:11px;
  font-size:14.5px;font-weight:500;color:var(--text-soft);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:var(--surface)}
.nav-link.active{color:var(--ember-2);background:var(--ember-soft);font-weight:600}
.nav-link.active::before{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--ember),transparent);
}
.nav-mega{position:relative}
.mega-trigger i{font-size:10px;transition:transform .25s ease;opacity:.8}
.nav-mega:hover .mega-trigger i,.nav-mega:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);
  width:560px;padding:20px;
  background:var(--surface);
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{
  font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--text-dim);
  margin-bottom:14px;padding-left:2px;
}
.mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mega-item{
  display:flex;flex-direction:column;gap:5px;
  padding:14px 15px;border-radius:14px;
  background:rgba(255,255,255,.025);border:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.mega-item:hover{background:var(--ember-soft);border-color:rgba(255,106,61,.35);transform:translateY(-2px)}
.mega-item-name{font-size:14.5px;font-weight:600;color:var(--text)}
.mega-item-desc{font-size:12.8px;color:var(--text-dim);line-height:1.6}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-strong);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .22s ease,background .22s ease;
}
.nav-toggle:hover{border-color:var(--ember);background:var(--surface)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   首屏
   ============================================================ */
.hero{position:relative;overflow:hidden;padding:clamp(48px,6vw,92px) 0 clamp(56px,7vw,100px)}
.hero::before{
  content:"";position:absolute;top:-220px;right:-160px;width:760px;height:760px;
  background:radial-gradient(circle,rgba(255,106,61,.20),rgba(255,106,61,0) 62%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-260px;left:-200px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(255,177,92,.10),rgba(255,177,92,0) 65%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.84fr);gap:52px;align-items:center}
.hero h1{font-size:clamp(29px,4.4vw,50px);letter-spacing:-.025em;margin-top:20px}
.hero-lead{margin-top:20px;font-size:clamp(16.5px,1.9vw,19.5px);font-weight:600;color:var(--text)}
.hero-desc{margin-top:14px;max-width:560px;font-size:15.5px;color:var(--text-soft)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags li{
  font-size:12.8px;font-weight:500;color:var(--text-soft);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);
}
.hero-card{
  background:linear-gradient(180deg,#161b25,#101319);
  border:1px solid var(--line-strong);
  border-radius:var(--r-xl);
  padding:26px;
  box-shadow:var(--shadow-md);
}
.hero-card-head{
  display:flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.16em;
  color:var(--text-dim);margin-bottom:16px;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 4px rgba(255,106,61,.16)}
.stat-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 0;font-size:14.5px;
  border-bottom:1px dashed rgba(255,255,255,.07);
}
.stat-row:last-child{border-bottom:0}
.stat-key{color:var(--text-dim)}
.stat-val{font-weight:600}
.stat-val.ember{color:var(--ember-2)}
.hero-card-note{
  margin-top:16px;display:flex;gap:10px;align-items:flex-start;
  padding:14px;border-radius:14px;
  background:rgba(255,177,92,.08);
  border:1px solid rgba(255,177,92,.18);
  color:#ffcf9a;font-size:13.4px;line-height:1.7;
}
.hero-card-note i{margin-top:3px}

/* ============================================================
   特性卡片
   ============================================================ */
.feature-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;
}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(255,106,61,.42);background:var(--surface-2);box-shadow:var(--shadow-md)}
.feature-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--ember-soft);color:var(--ember-2);
  font-size:17px;margin-bottom:16px;
}
.feature-title{font-size:17px;margin-bottom:9px}
.feature-text{color:var(--text-soft);font-size:14.6px;line-height:1.78}

/* ============================================================
   分类入口卡片
   ============================================================ */
.cat-card{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:12px;
  padding:28px 26px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;
}
.cat-card::after{
  content:"";position:absolute;right:-50px;bottom:-70px;width:170px;height:170px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.20),rgba(255,106,61,0) 70%);
  opacity:0;transition:opacity .3s ease;pointer-events:none;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(255,106,61,.45);box-shadow:var(--shadow-md);background:var(--surface-2)}
.cat-card:hover::after{opacity:1}
.cat-index{font-size:12px;font-weight:600;letter-spacing:.2em;color:var(--text-dim)}
.cat-title{font-size:18.5px}
.cat-text{flex:1;font-size:14.5px;color:var(--text-soft);line-height:1.78}
.cat-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ember-2)}
.cat-link i{transition:transform .25s ease}
.cat-card:hover .cat-link i{transform:translateX(5px)}

/* ============================================================
   叙事流程
   ============================================================ */
.flow-step{
  position:relative;padding:26px 24px 24px;border-radius:var(--r-md);
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid rgba(255,106,61,.5);
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.flow-step:hover{transform:translateY(-4px);background:var(--surface-2);border-color:rgba(255,106,61,.4);border-left-color:var(--ember)}
.flow-num{display:block;font-size:26px;font-weight:800;color:rgba(255,106,61,.38);line-height:1;margin-bottom:14px}
.flow-title{font-size:16.5px;margin-bottom:9px}
.flow-text{font-size:14.4px;color:var(--text-soft);line-height:1.78}

/* ============================================================
   人物卡
   ============================================================ */
.person-card{
  display:flex;gap:16px;padding:22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.person-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.4);background:var(--surface-2)}
.person-avatar{
  flex:0 0 52px;width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;color:var(--ember-2);
  background:linear-gradient(140deg,rgba(255,106,61,.26),rgba(255,177,92,.10));
  border:1px solid rgba(255,106,61,.3);
}
.person-name{font-size:16px;font-weight:700}
.person-role{display:inline-block;margin-left:8px;font-size:12px;font-weight:600;color:var(--ember-2);letter-spacing:.06em}
.person-text{margin-top:8px;font-size:14.2px;color:var(--text-soft);line-height:1.75}

/* ============================================================
   名场面台词
   ============================================================ */
.quote-list{display:grid;gap:14px}
.quote-item{
  display:flex;align-items:flex-start;gap:18px;
  padding:20px 24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.quote-item:hover{transform:translateX(5px);border-color:rgba(255,106,61,.42);background:var(--surface-2)}
.quote-mark{flex:none;font-size:19px;line-height:1.3;color:var(--ember)}
.quote-text{font-size:16px;font-weight:600;line-height:1.7}
.quote-meta{margin-left:auto;flex:none;font-size:13px;color:var(--text-dim);white-space:nowrap;padding-top:3px}

/* ============================================================
   观众评价
   ============================================================ */
.voice-card{
  display:flex;flex-direction:column;gap:18px;
  padding:26px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.voice-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.4);background:var(--surface-2)}
.voice-text{font-size:15.4px;line-height:1.82;color:var(--text)}
.voice-by{display:flex;align-items:center;gap:10px;font-size:13.4px;color:var(--text-dim);margin-top:auto}
.voice-avatar{
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:12.5px;font-weight:800;color:#1b0c05;
  background:linear-gradient(140deg,var(--ember),#ffa257);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-row span{
  font-size:12.8px;color:var(--text-soft);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(255,106,61,.42);background:var(--surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 24px;font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:none;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--ember-2);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 20px;font-size:14.6px;line-height:1.85;color:var(--text-soft)}

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-band{padding:var(--sp) 0}
.cta-inner{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(38px,5vw,66px) clamp(24px,4vw,56px);
  border-radius:var(--r-xl);
  background:radial-gradient(circle at 82% 0%,rgba(255,106,61,.26),rgba(255,106,61,0) 55%),#12151d;
  border:1px solid rgba(255,106,61,.28);
}
.cta-title{font-size:clamp(23px,3.3vw,36px)}
.cta-text{margin:16px auto 30px;max-width:640px;font-size:15.5px;color:var(--text-soft)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:#07090d;border-top:1px solid var(--line);padding:58px 0 28px}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;
  padding-bottom:36px;border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:11px}
.footer-desc{margin-top:16px;max-width:400px;font-size:14.3px;color:var(--text-dim);line-height:1.8}
.footer-col-title{font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;padding:6px 0;font-size:14.2px;color:var(--text-dim);transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--ember-2);transform:translateX(3px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-top:24px;font-size:13px;color:var(--text-dim);
}
.footer-bottom a:hover{color:var(--ember-2)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-card{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:960px){
  .nav-wrap{height:70px}
  .brand-text{font-size:15px}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 16px 20px;
    background:var(--bg-2);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    max-height:calc(100vh - 70px);
    overflow-y:auto;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:11px 14px;font-size:15px;border-radius:12px}
  .nav-link.active::before{display:none}
  .nav-mega{width:100%}
  .mega-trigger{pointer-events:none;color:var(--text-dim);font-size:12.5px;letter-spacing:.14em;padding-bottom:4px}
  .mega-trigger i{display:none}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    padding:0 0 6px;background:transparent;border:0;box-shadow:none;
  }
  .mega-grid{grid-template-columns:1fr;gap:8px}
  .mega-item{padding:11px 13px}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-sm{display:none}
}

@media (max-width:768px){
  :root{--sp:56px}
  .container{padding-inline:18px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding-top:38px}
  .hero-desc{max-width:100%}
  .hero-card{padding:22px}
  .quote-item{flex-wrap:wrap;gap:10px;padding:18px 20px}
  .quote-meta{margin-left:33px;width:100%;padding-top:0}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{margin-bottom:30px}
}

@media (max-width:520px){
  .brand-text{font-size:13.8px;white-space:normal;line-height:1.3;max-width:150px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .pill{font-size:12px;padding:6px 12px}
  .feature-card,.cat-card,.voice-card{padding:22px 20px}
  .stat-row{font-size:14px}
}

/* roulang page: category2 */
:root{
  --ink:#111524;
  --ink-2:#1a2032;
  --ink-3:#242c42;
  --flame:#e2562b;
  --flame-soft:#f0764f;
  --gold:#f0b552;
  --paper:#f7f4ef;
  --surface:#ffffff;
  --surface-2:#f0ece4;
  --text:#1e2333;
  --muted:#6d7386;
  --muted-2:#9aa0b0;
  --line:#e3ded5;
  --line-dark:rgba(255,255,255,.12);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:26px;
  --shadow-s:0 2px 10px rgba(17,21,36,.06);
  --shadow-m:0 14px 34px rgba(17,21,36,.10);
  --shadow-l:0 26px 60px rgba(17,21,36,.18);
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:36px;
  --space-5:56px;
  --space-6:84px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,ul,ol,dl{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:3px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
.grid.row{margin:0;}
.row{max-width:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(17,21,36,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--flame),var(--gold));
  color:#fff;
  font-weight:800;
  font-size:18px;
  letter-spacing:1px;
  box-shadow:0 6px 18px rgba(226,86,43,.35);
}
.brand-text{
  color:#fff;
  font-weight:700;
  font-size:17px;
  letter-spacing:.5px;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  flex-wrap:nowrap;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  font-weight:500;
  background:transparent;
  border:0;
  white-space:nowrap;
}
.nav-link:hover,
.nav-link:focus{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.active{
  color:#fff;
  background:rgba(226,86,43,.22);
  box-shadow:inset 0 0 0 1px rgba(226,86,43,.55);
}
.nav-mega{position:relative;}
.mega-trigger i{font-size:11px;opacity:.75;transition:transform .25s ease;}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:430px;
  padding:22px;
  background:var(--surface);
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  box-shadow:var(--shadow-l);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.nav-mega:hover .mega-trigger i,
.nav-mega:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-title{
  font-size:12px;
  letter-spacing:2px;
  color:var(--muted);
  margin-bottom:14px;
  font-weight:600;
}
.mega-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.mega-item{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 13px;
  border-radius:var(--radius-s);
  background:var(--surface-2);
  border:1px solid transparent;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.mega-item:hover{
  transform:translateY(-2px);
  background:#fff;
  border-color:rgba(226,86,43,.35);
  box-shadow:var(--shadow-s);
}
.mega-item-name{font-size:14px;font-weight:700;color:var(--ink);}
.mega-item-desc{font-size:12px;color:var(--muted);line-height:1.6;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  line-height:1.2;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--flame),#f0824a);
  color:#fff;
  box-shadow:0 10px 24px rgba(226,86,43,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(226,86,43,.38);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-light{
  background:#fff;
  color:var(--ink);
  box-shadow:var(--shadow-s);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);color:var(--ink);}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.35);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.nav-toggle span{
  display:block;
  height:2px;
  width:100%;
  background:#fff;
  border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 82px;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(226,86,43,.42),transparent 62%),
    radial-gradient(700px 380px at 6% 100%,rgba(240,181,82,.20),transparent 65%),
    linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 60%,#1d2438 100%);
  color:#fff;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 35%,#000 25%,transparent 78%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:52px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  font-size:13px;
  letter-spacing:1.5px;
  color:#ffe6d8;
  margin-bottom:22px;
}
.hero-eyebrow i{color:var(--gold);}
.hero h1{
  font-size:clamp(30px,4.1vw,50px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold);
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.80);
  max-width:600px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-meta-item strong{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--gold);
  line-height:1.3;
}
.hero-meta-item span{font-size:13px;color:rgba(255,255,255,.62);}
.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-l);
  padding:28px;
  box-shadow:var(--shadow-l);
  backdrop-filter:blur(8px);
}
.hero-panel-title{
  font-size:13px;
  letter-spacing:2px;
  color:rgba(255,255,255,.58);
  margin-bottom:18px;
  font-weight:600;
}
.pair-list{display:grid;gap:12px;}
.pair{
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 15px;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  transition:background .2s ease,transform .2s ease;
}
.pair:hover{background:rgba(255,255,255,.12);transform:translateX(3px);}
.pair-avatar{
  width:34px;height:34px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:14px;font-weight:800;
  flex-shrink:0;
}
.pair-avatar.a{background:rgba(226,86,43,.30);color:#ffcdb9;}
.pair-avatar.b{background:rgba(240,181,82,.28);color:#ffe4ae;}
.pair-body{flex:1;min-width:0;}
.pair-name{font-size:14px;font-weight:700;color:#fff;line-height:1.4;}
.pair-note{font-size:12px;color:rgba(255,255,255,.58);line-height:1.5;}
.pair-arrow{color:rgba(255,255,255,.4);font-size:12px;}

/* ---------- sections ---------- */
.section{padding:var(--space-6) 0;}
.section-tight{padding:var(--space-5) 0;}
.band-white{background:var(--surface);}
.band-soft{background:var(--surface-2);}
.band-dark{background:linear-gradient(160deg,var(--ink) 0%,var(--ink-3) 100%);color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:2.4px;
  font-weight:700;
  color:var(--flame);
  margin-bottom:14px;
}
.band-dark .eyebrow{color:var(--gold);}
.section-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.3px;
  margin-bottom:14px;
  color:var(--ink);
}
.band-dark .section-title{color:#fff;}
.section-desc{font-size:16px;color:var(--muted);line-height:1.85;}
.band-dark .section-desc{color:rgba(255,255,255,.72);}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px 22px;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(226,86,43,.32);}
.stat-num{
  font-size:30px;
  font-weight:800;
  color:var(--flame);
  line-height:1.2;
  margin-bottom:6px;
  letter-spacing:-.5px;
}
.stat-label{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.stat-desc{font-size:13px;color:var(--muted);line-height:1.65;}

/* ---------- people grid ---------- */
.people-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.person-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:30px;
  box-shadow:var(--shadow-s);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.person-card::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:100%;height:4px;
  background:linear-gradient(90deg,var(--flame),var(--gold));
  opacity:0;
  transition:opacity .25s ease;
}
.person-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:rgba(226,86,43,.28);}
.person-card:hover::before{opacity:1;}
.person-top{display:flex;align-items:center;gap:16px;margin-bottom:18px;}
.person-avatar{
  width:58px;height:58px;
  border-radius:18px;
  display:grid;place-items:center;
  font-size:21px;font-weight:800;
  color:#fff;
  flex-shrink:0;
  background:linear-gradient(140deg,var(--flame),#f3823f);
  box-shadow:0 10px 22px rgba(226,86,43,.26);
}
.person-card:nth-child(2) .person-avatar{background:linear-gradient(140deg,#3c6ce0,#5f9cf8);box-shadow:0 10px 22px rgba(60,108,224,.26);}
.person-card:nth-child(3) .person-avatar{background:linear-gradient(140deg,#8b5cf6,#a78bfa);box-shadow:0 10px 22px rgba(139,92,246,.26);}
.person-card:nth-child(4) .person-avatar{background:linear-gradient(140deg,#0f9b8e,#2fc3b0);box-shadow:0 10px 22px rgba(15,155,142,.26);}
.person-name{font-size:20px;font-weight:800;color:var(--ink);line-height:1.35;}
.person-role{font-size:13px;color:var(--muted);letter-spacing:.5px;}
.person-text{font-size:14.5px;color:#3d4356;line-height:1.85;margin-bottom:18px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(226,86,43,.10);
  color:#b8431d;
  border:1px solid rgba(226,86,43,.18);
}
.tag.neutral{
  background:rgba(17,21,36,.05);
  color:#565d72;
  border-color:rgba(17,21,36,.10);
}

/* ---------- relation grid ---------- */
.relation-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.relation-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:26px 24px;
  border-radius:var(--radius-m);
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.relation-card:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(240,181,82,.45);
  transform:translateY(-4px);
}
.relation-pair{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:15px;
  font-weight:700;
  color:#fff;
}
.relation-pair i{color:var(--gold);font-size:13px;}
.relation-type{
  font-size:12px;
  letter-spacing:1.6px;
  color:var(--gold);
  font-weight:700;
  text-transform:uppercase;
}
.relation-desc{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--flame),rgba(226,86,43,.12));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-34px;
  top:6px;
  width:20px;height:20px;
  border-radius:50%;
  background:var(--surface);
  border:3px solid var(--flame);
  box-shadow:0 0 0 5px rgba(226,86,43,.12);
}
.tl-step{
  font-size:12px;
  letter-spacing:2px;
  font-weight:700;
  color:var(--flame);
  margin-bottom:6px;
}
.tl-title{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.45;}
.tl-text{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:720px;}

/* ---------- split feature ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:46px;
  align-items:center;
}
.feature-list{display:grid;gap:16px;margin-top:26px;}
.feature-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--radius-m);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.feature-item:hover{transform:translateX(4px);box-shadow:var(--shadow-m);}
.feature-icon{
  width:38px;height:38px;
  flex-shrink:0;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(226,86,43,.12);
  color:var(--flame);
  font-size:15px;
}
.feature-body h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.feature-body p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.quote-card{
  padding:36px;
  border-radius:var(--radius-l);
  background:linear-gradient(155deg,#1d2438,#2c3550);
  color:#fff;
  box-shadow:var(--shadow-l);
  position:relative;
  overflow:hidden;
}
.quote-card::after{
  content:"”";
  position:absolute;
  right:18px;bottom:-42px;
  font-size:170px;
  line-height:1;
  color:rgba(240,181,82,.16);
  font-family:Georgia,serif;
}
.quote-card p{position:relative;font-size:17px;line-height:1.95;color:rgba(255,255,255,.88);margin-bottom:22px;}
.quote-from{font-size:13px;letter-spacing:1.4px;color:var(--gold);font-weight:700;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:4px 24px;
  box-shadow:var(--shadow-s);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(226,86,43,.4);box-shadow:var(--shadow-m);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:19px 34px 19px 0;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:0;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:300;
  color:var(--flame);
  transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-answer{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.9;
  padding:0 0 22px;
  border-top:1px solid var(--line);
  padding-top:16px;
  margin-top:-2px;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:70px 0;
  background:
    radial-gradient(700px 320px at 88% 10%,rgba(240,181,82,.34),transparent 62%),
    linear-gradient(135deg,#c9471f 0%,var(--flame) 52%,#ef8347 100%);
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-text h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.35;
  margin-bottom:12px;
}
.cta-text p{font-size:16px;color:rgba(255,255,255,.88);max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 30px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:44px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  margin-bottom:16px;
}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:14px;line-height:1.85;max-width:420px;color:rgba(255,255,255,.62);}
.footer-col{display:flex;flex-direction:column;gap:11px;}
.footer-col-title{
  font-size:13px;
  letter-spacing:1.8px;
  font-weight:700;
  color:#fff;
  margin-bottom:6px;
}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.62);
}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.44);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero{padding:58px 0 66px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .relation-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:16px 20px 22px;
    background:var(--ink-2);
    border-bottom:1px solid var(--line-dark);
    box-shadow:var(--shadow-l);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{width:100%;justify-content:space-between;padding:12px 16px;border-radius:12px;}
  .nav-mega{width:100%;}
  .mega-panel{
    position:static;
    width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    margin-top:8px;
    display:none;
  }
  .nav-mega:hover .mega-panel,
  .nav-mega:focus-within .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;}
  .nav-toggle{display:flex;}
  .nav-wrap{position:relative;justify-content:space-between;gap:16px;}
  .main-nav .nav-link.active{background:rgba(226,86,43,.26);}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .people-grid{grid-template-columns:1fr;}
  .relation-grid{grid-template-columns:1fr;}
  .hero-meta{gap:22px;}
  .hero h1{font-size:29px;}
  .hero-lead{font-size:15.5px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .nav-actions .btn-primary{display:none;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .brand-text{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .stat-strip{grid-template-columns:1fr;}
  .person-card{padding:22px;}
  .hero-panel{padding:20px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .timeline{padding-left:26px;}
  .tl-dot{left:-26px;width:16px;height:16px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --ink:#101628;
  --ink-soft:#1c2540;
  --paper:#f6f4ef;
  --white:#ffffff;
  --gold:#e08a2c;
  --gold-deep:#b96a12;
  --gold-soft:#fbf1e2;
  --teal:#2c9c8a;
  --text:#182035;
  --muted:#5c6780;
  --line:#e6e1d7;
  --radius-lg:26px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(16,22,40,.05);
  --shadow:0 12px 30px rgba(16,22,40,.08);
  --shadow-lg:0 24px 56px rgba(16,22,40,.14);
  --ease:cubic-bezier(.22,.68,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--gold-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(224,138,44,.55);outline-offset:3px;border-radius:6px;}

.container{width:min(1180px,calc(100% - 48px));margin:0 auto;}
.section{padding:78px 0;}
.section--tight{padding:56px 0;}
.section--paper{background:var(--white);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{background:linear-gradient(135deg,#f2a54c,#d97a17);color:#fff;box-shadow:0 10px 24px rgba(217,122,23,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,122,23,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 24px rgba(16,22,40,.18);}
.btn-dark:hover{color:#fff;background:var(--ink-soft);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(16,22,40,.18);}
.btn-ghost:hover{color:var(--ink);border-color:var(--gold);background:var(--gold-soft);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28);}
.btn-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{position:relative;display:flex;align-items:center;gap:26px;min-height:78px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;flex-shrink:0;border-radius:13px;
  display:grid;place-items:center;font-size:19px;font-weight:800;color:#fff;
  background:linear-gradient(140deg,#f2a54c,#c96a1c);
  box-shadow:0 8px 18px rgba(201,106,28,.32);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:10px 15px;border-radius:999px;border:0;background:transparent;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(16,22,40,.05);}
.nav-link.active{color:var(--ink);background:var(--gold-soft);}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  border-radius:2px;background:var(--gold);
}
.nav-mega{position:relative;}
.nav-mega .mega-trigger i{font-size:10px;transition:transform .22s var(--ease);}
.nav-mega:hover .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:540px;padding:22px;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  box-shadow:0 26px 64px rgba(16,22,40,.16);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.mega-panel::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px;}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--gold-deep);margin-bottom:14px;}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.mega-item{display:block;padding:13px 14px;border-radius:14px;border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
.mega-item:hover{background:var(--paper);border-color:var(--line);transform:translateY(-2px);}
.mega-item-name{display:block;font-size:14px;font-weight:700;color:var(--ink);}
.mega-item-desc{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.6;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.nav-toggle:hover{background:var(--gold-soft);border-color:#eedcc0;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:78px 0 86px;color:#eef1f8;
  background:radial-gradient(circle at 82% 12%,rgba(224,138,44,.30),transparent 46%),
             radial-gradient(circle at 6% 90%,rgba(44,156,138,.20),transparent 44%),
             linear-gradient(160deg,#0e1424 0%,#1b2340 58%,#131b31 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 60% 30%,#000 20%,transparent 78%);
  mask-image:radial-gradient(circle at 60% 30%,#000 20%,transparent 78%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.hero-badge{
  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,.2);
  font-size:13px;font-weight:700;letter-spacing:.06em;color:#f4d8b4;
}
.hero-badge i{font-size:11px;color:var(--gold);}
.hero h1{
  margin:22px 0 20px;color:#fff;
  font-size:clamp(30px,4.1vw,50px);line-height:1.2;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:#f5b45f;}
.hero-sub{font-size:17px;line-height:1.86;color:#b9c4dc;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:#c8d2e6;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
}
.tag--gold{color:#f7c98c;background:rgba(224,138,44,.16);border-color:rgba(224,138,44,.36);}
.hero-panel{
  padding:26px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 60px rgba(0,0,0,.28);
  backdrop-filter:blur(8px);
}
.hero-panel-title{font-size:13px;font-weight:800;letter-spacing:.14em;color:#f0b673;margin-bottom:18px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.stat{
  padding:16px 16px 14px;border-radius:16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.11);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.stat:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);}
.stat-num{display:block;font-size:28px;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em;}
.stat-num small{font-size:14px;font-weight:700;color:#f0b673;margin-left:2px;}
.stat-label{display:block;font-size:13px;color:#a8b4cd;margin-top:6px;}
.hero-note{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.18);font-size:13px;color:#98a4bf;line-height:1.7;}

/* ---------- 通用板块头 ---------- */
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12.5px;font-weight:800;letter-spacing:.18em;color:var(--gold-deep);
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold);}
.sec-head--center .sec-kicker::before{display:none;}
.sec-head h2{font-size:clamp(24px,2.9vw,34px);margin-bottom:14px;}
.sec-lead{font-size:16px;color:var(--muted);line-height:1.86;}

/* ---------- 卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#ecd6b4;}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.ep{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--gold-soft);color:var(--gold-deep);
  font-size:12.5px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
}
.card h3{font-size:18px;line-height:1.5;}
.card p{font-size:14.5px;color:var(--muted);line-height:1.82;}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:#8b95ab;display:flex;align-items:center;gap:7px;}
.card-foot i{color:var(--gold);font-size:12px;}
.card-index{font-size:13px;font-weight:800;color:#c8c1b2;letter-spacing:.08em;}

/* ---------- 时间线 ---------- */
.timeline{display:grid;gap:18px;margin-top:6px;}
.tl-item{
  display:grid;grid-template-columns:132px 1fr;gap:26px;align-items:start;
  padding:26px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.tl-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#ecd6b4;}
.tl-step{
  display:inline-flex;flex-direction:column;gap:6px;
}
.tl-step-num{font-size:26px;font-weight:800;color:var(--gold);line-height:1;letter-spacing:-.02em;}
.tl-step-name{font-size:13.5px;font-weight:700;color:var(--ink);}
.tl-body h3{font-size:18px;margin-bottom:8px;}
.tl-body p{font-size:14.5px;color:var(--muted);line-height:1.84;}
.tl-ep{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--ink-soft);
  background:var(--paper);border:1px solid var(--line);
}

/* ---------- 适合谁看 ---------- */
.who-card{
  padding:26px 24px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.who-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ecd6b4;}
.who-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--gold-soft);color:var(--gold-deep);font-size:18px;margin-bottom:16px;
}
.who-card h3{font-size:17px;margin-bottom:9px;}
.who-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 深色数据带 ---------- */
.band{
  background:radial-gradient(circle at 88% 8%,rgba(224,138,44,.24),transparent 44%),
             linear-gradient(150deg,#0e1424,#1d2644);
  color:#dfe6f4;padding:76px 0;
}
.band .sec-kicker{color:#f2b571;}
.band .sec-head h2{color:#fff;}
.band .sec-lead{color:#a9b5ce;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:40px;}
.metric{
  padding:22px 20px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.metric:hover{background:rgba(255,255,255,.11);transform:translateY(-4px);}
.metric-num{display:block;font-size:32px;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em;}
.metric-num small{font-size:14px;font-weight:700;color:#f0b673;margin-left:3px;}
.metric-label{display:block;font-size:13.5px;color:#a4b0c9;margin-top:8px;}
.band-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 34px;}
.band-item{display:flex;gap:13px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.band-item i{color:var(--gold);font-size:13px;margin-top:7px;}
.band-item span{font-size:14.5px;color:#c3cde0;line-height:1.78;}

/* ---------- 看点清单 ---------- */
.scene-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.scene{
  display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;
  padding:22px 26px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.scene:last-child{border-bottom:0;}
.scene:hover{background:#fdfaf4;}
.scene-time{font-size:13.5px;font-weight:800;color:var(--gold-deep);letter-spacing:.02em;}
.scene-text{font-size:15px;color:var(--text);line-height:1.78;}
.scene-flag{font-size:12.5px;font-weight:700;color:var(--muted);background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:4px 12px;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;max-width:900px;margin:0 auto;}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:4px 24px;box-shadow:var(--shadow-sm);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
details.faq[open]{border-color:#ecd6b4;box-shadow:var(--shadow);}
details.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:16px;font-weight:700;color:var(--ink);
  cursor:pointer;list-style:none;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--gold-deep);transition:transform .24s var(--ease);flex-shrink:0;
}
details.faq[open] summary::after{transform:rotate(180deg);}
.faq-answer{padding:0 0 22px;font-size:14.8px;color:var(--muted);line-height:1.88;max-width:96%;}

/* ---------- CTA ---------- */
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  padding:46px 48px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#fdf4e6,#f9ecd8);
  border:1px solid #f0dcbe;
  box-shadow:0 20px 46px rgba(180,120,40,.10);
}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-box p{font-size:15.5px;color:#7a6a52;line-height:1.82;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0c1120;color:#b6c0d4;padding:60px 0 26px;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:17px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.86;color:#8e9ab3;max-width:430px;}
.footer-col-title{color:#fff;font-size:14px;font-weight:800;letter-spacing:.04em;margin-bottom:14px;}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#98a3bb;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover{color:#f0b673;transform:translateX(3px);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#77839d;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{width:calc(100% - 40px);}
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:16px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px rgba(16,22,40,.14);display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{width:100%;justify-content:flex-start;padding:12px 14px;}
  .nav-link.active::after{display:none;}
  .nav-mega{width:100%;}
  .mega-trigger{width:100%;justify-content:space-between;}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;border-radius:14px;padding:10px 0 4px;background:transparent;
    display:none;
  }
  .nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;}
  .mega-item{padding:11px 12px;background:var(--paper);}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:60px 0 66px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-top > div:first-child{grid-column:1 / -1;}
  .scene{grid-template-columns:130px 1fr;}
  .scene-flag{display:none;}
  .cta-box{padding:36px 32px;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .section--tight{padding:44px 0;}
  .band{padding:56px 0;}
  .hero h1{font-size:clamp(26px,6.6vw,36px);}
  .hero-sub{font-size:15.5px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding:22px;}
  .tl-step{flex-direction:row;align-items:baseline;gap:10px;}
  .band-list{grid-template-columns:1fr;}
  .scene{grid-template-columns:1fr;gap:8px;padding:20px 22px;}
  .scene-time{font-size:13px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-box{padding:32px 24px;gap:24px;}
  .cta-actions .btn{width:100%;}
  .hero-panel{padding:22px;}
}
@media (max-width:520px){
  .container{width:calc(100% - 32px);}
  .brand-text{font-size:15px;}
  .nav-actions .btn-sm{padding:9px 15px;font-size:13px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .metric-grid{grid-template-columns:1fr;}
  .card{padding:22px 20px;}
  .hero-actions .btn{width:100%;}
  .sec-head h2{font-size:22px;}
  .stat-num{font-size:24px;}
  .metric-num{font-size:27px;}
  details.faq{padding:2px 18px;}
  details.faq summary{font-size:15px;padding:17px 0;}
}

/* roulang page: category3 */
:root{
  --brand:#d9962b;
  --brand-dark:#b8781a;
  --brand-soft:#fdf4e4;
  --ink:#0e1622;
  --ink-2:#16202e;
  --ink-3:#1f2b3c;
  --text:#2b3442;
  --muted:#6b7687;
  --line:#e4e8ef;
  --line-dark:rgba(255,255,255,.12);
  --bg:#f6f7fa;
  --white:#ffffff;
  --teal:#127a6c;
  --teal-soft:#e6f4f1;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-xs:0 1px 2px rgba(14,22,34,.06);
  --shadow-sm:0 2px 8px rgba(14,22,34,.06),0 8px 24px rgba(14,22,34,.05);
  --shadow-md:0 12px 34px rgba(14,22,34,.10);
  --shadow-lg:0 26px 64px rgba(14,22,34,.16);
  --ease:cubic-bezier(.28,.72,.35,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:3px solid rgba(217,150,43,.55);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(217,150,43,.28);}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(14,22,34,.02);
}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:19px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 16px rgba(184,120,26,.32);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-link i{font-size:11px;opacity:.7;}
.nav-mega{position:relative;}
.mega-trigger{background:none;}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:430px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:20px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.nav-mega:hover .mega-panel,.nav-mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mega-item{
  display:block;padding:12px 13px;border-radius:var(--radius-sm);
  background:#fafbfd;border:1px solid transparent;
  transition:all .2s var(--ease);
}
.mega-item:hover{background:var(--brand-soft);border-color:rgba(217,150,43,.32);transform:translateY(-2px);box-shadow:var(--shadow-xs);}
.mega-item-name{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.4;}
.mega-item-desc{display:block;font-size:12.5px;color:var(--muted);line-height:1.5;margin-top:3px;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--white);padding:0 10px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;box-shadow:0 10px 24px rgba(184,120,26,.30);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(184,120,26,.38);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(184,120,26,.3);}
.btn-ghost{background:var(--white);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--brand-dark);border-color:rgba(217,150,43,.5);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.28);}
.btn-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}

/* ============ 通用板块 ============ */
.section{padding:84px 0;}
.section-tight{padding:60px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:700;letter-spacing:.5px;
  margin-bottom:18px;
}
.eyebrow.teal{background:var(--teal-soft);color:var(--teal);}
.section-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.32;font-weight:800;
  color:var(--ink);letter-spacing:-.4px;
}
.section-sub{margin-top:14px;font-size:16.5px;color:var(--muted);line-height:1.85;}
.band-dark{background:var(--ink);color:#cfd8e3;}
.band-dark .section-title{color:#fff;}
.band-dark .section-sub{color:#9aa9bb;}
.band-dark .eyebrow{background:rgba(217,150,43,.16);color:#f0b95e;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(217,150,43,.16),transparent 62%),
    radial-gradient(700px 380px at 6% 110%,rgba(18,122,108,.12),transparent 60%),
    linear-gradient(180deg,#ffffff 0%,#f6f7fa 100%);
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;padding:76px 0 84px;
}
.hero-copy .eyebrow{margin-bottom:20px;}
.hero h1{
  font-size:clamp(30px,4.3vw,48px);line-height:1.22;font-weight:800;
  color:var(--ink);letter-spacing:-.8px;
}
.hero h1 em{
  font-style:normal;color:var(--brand-dark);
  background:linear-gradient(180deg,transparent 62%,rgba(217,150,43,.30) 62%);
}
.hero-lead{
  margin-top:22px;font-size:17px;line-height:1.9;color:#4a5666;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;background:var(--white);
  border:1px solid var(--line);font-size:13.5px;font-weight:600;color:#40506a;
  box-shadow:var(--shadow-xs);
}
.chip i{color:var(--brand-dark);font-size:12px;}

.hero-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:28px;position:relative;
}
.hero-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:5px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  background:linear-gradient(90deg,var(--brand),var(--brand-dark),var(--teal));
}
.hero-card-title{
  font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--muted);
  text-transform:uppercase;margin-bottom:20px;
}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat{
  padding:16px;border-radius:var(--radius-sm);background:#fafbfd;border:1px solid var(--line);
}
.stat-num{
  font-size:26px;font-weight:800;color:var(--ink);line-height:1.15;letter-spacing:-.5px;
}
.stat-num span{font-size:14px;font-weight:700;color:var(--muted);margin-left:3px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-card-note{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--muted);line-height:1.7;
}

/* ============ 方案卡 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.plan-card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(217,150,43,.42);}
.plan-badge{
  align-self:flex-start;padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.4px;margin-bottom:16px;
}
.plan-badge.teal{background:var(--teal-soft);color:var(--teal);}
.plan-badge.slate{background:#eef1f6;color:#465268;}
.plan-card h3{font-size:20px;font-weight:800;color:var(--ink);line-height:1.4;}
.plan-card p{margin-top:12px;font-size:15px;color:#4d5a6b;line-height:1.85;}
.plan-list{margin-top:18px;display:grid;gap:10px;}
.plan-list li{
  position:relative;padding-left:24px;font-size:14.5px;color:#3d4a5c;line-height:1.7;
}
.plan-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:11px;color:var(--teal);
}
.plan-foot{
  margin-top:auto;padding-top:18px;margin-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}

/* ============ 时间线 ============ */
.timeline{position:relative;display:grid;gap:0;margin-top:8px;}
.tl-item{
  position:relative;display:grid;grid-template-columns:180px minmax(0,1fr);
  gap:32px;padding:26px 0;border-bottom:1px solid var(--line-dark);
}
.tl-item:last-child{border-bottom:0;}
.tl-range{
  font-size:15px;font-weight:800;color:#f0b95e;letter-spacing:.2px;
  display:flex;align-items:center;gap:10px;
}
.tl-range::before{
  content:"";width:9px;height:9px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 5px rgba(217,150,43,.16);flex-shrink:0;
}
.tl-body h3{font-size:18px;font-weight:700;color:#fff;line-height:1.4;}
.tl-body p{margin-top:8px;font-size:15px;line-height:1.85;color:#a3b1c3;}
.tl-tag{
  display:inline-block;margin-top:12px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;color:#cfd8e3;font-weight:600;
}

/* ============ 步骤 ============ */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step;}
.step-card{
  position:relative;padding:30px 26px 28px;border-radius:var(--radius);
  background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.step-num{
  display:grid;place-items:center;width:46px;height:46px;border-radius:14px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:18px;font-weight:800;margin-bottom:18px;
  box-shadow:0 8px 20px rgba(184,120,26,.28);
}
.step-card h3{font-size:18.5px;font-weight:800;color:var(--ink);line-height:1.4;}
.step-card p{margin-top:10px;font-size:15px;color:#4d5a6b;line-height:1.85;}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-card{
  display:flex;gap:18px;padding:24px;border-radius:var(--radius);
  background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(18,122,108,.35);}
.scene-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-size:19px;
  background:var(--teal-soft);color:var(--teal);
}
.scene-card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.4;}
.scene-card p{margin-top:8px;font-size:14.5px;color:#4d5a6b;line-height:1.8;}

/* ============ 清单 ============ */
.check-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px;box-shadow:var(--shadow-sm);
}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 36px;margin-top:26px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.check-item:last-child{border-bottom:0;}
.check-item i{
  color:var(--brand-dark);font-size:14px;margin-top:5px;flex-shrink:0;
}
.check-item strong{display:block;font-size:15.5px;color:var(--ink);font-weight:700;line-height:1.5;}
.check-item span{display:block;font-size:14px;color:var(--muted);line-height:1.7;margin-top:2px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:52px;align-items:start;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:4px 22px;box-shadow:var(--shadow-xs);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(217,150,43,.45);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\002b";font-size:19px;font-weight:600;color:var(--brand-dark);
  flex-shrink:0;transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{content:"\2212";}
.faq-item p{padding:0 0 20px;font-size:15px;color:#4d5a6b;line-height:1.88;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-3) 58%,#2a2018 100%);
  border-radius:var(--radius-lg);padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:44px;align-items:center;box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,150,43,.30),transparent 68%);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;line-height:1.35;letter-spacing:-.4px;}
.cta-band p{margin-top:14px;font-size:16px;color:#a9b6c6;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#94a3b6;padding:64px 0 30px;margin-top:0;}
.footer-top{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,.7fr));
  gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:inline-flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14.5px;line-height:1.9;color:#8b9aad;max-width:440px;}
.footer-col-title{
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:#f0b95e;margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:14.5px;color:#a9b6c6;padding:7px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:26px;font-size:13px;color:#6f7d90;line-height:1.7;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:62px 0 68px;}
  .hero-lead{max-width:none;}
  .plan-grid{grid-template-columns:1fr 1fr;}
  .step-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 36px;gap:32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-top > div:first-child{grid-column:1 / -1;}
}
@media screen and (max-width:900px){
  .nav-wrap{flex-wrap:wrap;min-height:64px;padding-top:10px;padding-bottom:10px;gap:14px;}
  .nav-toggle{display:flex;}
  .nav-actions{margin-left:auto;}
  .main-nav{
    order:3;flex-basis:100%;display:none;flex-direction:column;align-items:stretch;
    gap:2px;margin:6px 0 12px;padding:10px;border-radius:var(--radius-sm);
    background:#fafbfd;border:1px solid var(--line);margin-left:0;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15.5px;}
  .nav-link.active::after{display:none;}
  .nav-mega{width:100%;}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;border-top:1px solid var(--line);border-radius:0;
    padding:14px 4px 4px;display:none;background:transparent;
  }
  .nav-mega.open .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:22px 0;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:58px 0;}
  .plan-grid{grid-template-columns:1fr;}
  .hero-card{padding:22px;border-radius:var(--radius);}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .check-panel{padding:26px 20px;}
  .cta-band{padding:34px 22px;border-radius:var(--radius);}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .brand-text{font-size:15.5px;}
  .section-head{margin-bottom:32px;}
}
@media screen and (max-width:520px){
  .hero h1{font-size:27px;letter-spacing:-.3px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-meta .chip{font-size:12.5px;padding:6px 12px;}
  .stat-grid{grid-template-columns:1fr;}
  .scene-card{flex-direction:column;gap:14px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-item{padding:2px 16px;}
  .faq-item summary{font-size:15px;padding:15px 0;}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .section-title{font-size:23px;}
}

/* roulang page: category4 */
:root{
  --brand:#d94b2b;
  --brand-2:#f2913c;
  --brand-ink:#7a2410;
  --ink:#0e1319;
  --ink-2:#161d26;
  --ink-3:#232e3b;
  --paper:#faf8f5;
  --paper-2:#f2eee7;
  --card:#ffffff;
  --text:#141a21;
  --muted:#5e6a78;
  --line:#e6e1d9;
  --line-2:#d5cec2;
  --radius-xl:26px;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(14,19,25,.05),0 8px 20px rgba(14,19,25,.05);
  --shadow-md:0 20px 44px rgba(14,19,25,.12);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-ink);}
button{font-family:inherit;}
::selection{background:rgba(217,75,43,.16);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,245,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;gap:22px;
  min-height:76px;position:relative;
}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.02em;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 6px 16px rgba(217,75,43,.28);
}
.brand-text{
  font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;
}
.main-nav{
  display:flex;align-items:center;gap:2px;margin-left:auto;
}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:500;color:#3b4552;
  text-decoration:none;background:transparent;border:0;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(217,75,43,.08);color:var(--brand-ink);}
.nav-link.active{background:rgba(217,75,43,.12);color:var(--brand-ink);font-weight:700;}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.nav-mega{position:relative;}
.mega-trigger i{font-size:10px;opacity:.65;transition:transform .2s ease;}
.nav-mega:hover .mega-trigger i,
.nav-mega.is-open .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:-56px;top:calc(100% + 14px);width:540px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:20px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:90;
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel,
.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mega-item{
  display:block;padding:13px 14px;border-radius:var(--radius);
  background:var(--paper-2);text-decoration:none;
  transition:background .2s ease,transform .2s ease;
}
.mega-item:hover{background:#fff3ee;transform:translateY(-2px);}
.mega-item-name{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:3px;}
.mega-item-desc{display:block;font-size:12.5px;line-height:1.6;color:var(--muted);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 10px 24px rgba(217,75,43,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(217,75,43,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--ink);border-color:var(--line-2);box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{color:var(--brand-ink);border-color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-light{background:#fff;color:var(--brand-ink);box-shadow:0 10px 24px rgba(0,0,0,.18);}
.btn-light:hover{color:var(--brand-ink);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.38);}
.btn-outline-light:hover{color:#fff;background:rgba(255,255,255,.12);}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:#fff;cursor:pointer;padding:0;place-items:center;gap:4px;
  flex-direction:column;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 84% -10%,rgba(242,145,60,.22),transparent 62%),
    radial-gradient(620px 380px at 4% 6%,rgba(217,75,43,.14),transparent 60%),
    var(--paper);
  padding:78px 0 68px;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--brand-ink);
  box-shadow:var(--shadow-sm);
}
.eyebrow i{font-size:12px;color:var(--brand);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;letter-spacing:-.01em;font-weight:800;
  color:var(--ink);margin:22px 0 18px;
}
.hero h1 em{
  font-style:normal;color:var(--brand);
  background:linear-gradient(180deg,transparent 68%,rgba(242,145,60,.34) 68%);
}
.hero-lead{font-size:17px;color:#414c59;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:30px;}
.stat-num{
  display:block;font-size:26px;font-weight:800;color:var(--ink);line-height:1.1;
  letter-spacing:-.01em;
}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:5px;}

.hero-panel{
  background:var(--ink-2);border-radius:var(--radius-xl);padding:26px;
  color:#e9edf2;box-shadow:var(--shadow-md);
  border:1px solid rgba(255,255,255,.08);
  position:relative;overflow:hidden;
}
.hero-panel::after{
  content:"";position:absolute;inset:auto -60px -90px auto;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,145,60,.3),transparent 68%);
}
.hero-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(233,237,242,.55);margin-bottom:16px;font-weight:700;
}
.hero-panel-head span:last-child{color:var(--brand-2);letter-spacing:.04em;text-transform:none;}
.scene-list li{
  display:flex;align-items:center;gap:13px;
  padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.12);
  font-size:14.5px;
}
.scene-list li:last-child{border-bottom:0;padding-bottom:0;}
.scene-no{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
  background:rgba(242,145,60,.16);color:var(--brand-2);
}
.scene-txt strong{display:block;font-weight:600;color:#fff;font-size:14.5px;}
.scene-txt small{color:rgba(233,237,242,.55);font-size:12.5px;display:block;margin-top:2px;}

/* ---------- Sections ---------- */
.section{padding:86px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--paper-2);}
.section-head{max-width:720px;margin-bottom:46px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.section-kicker::before{
  content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:800;
  color:var(--ink);letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* ---------- Filter chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 17px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);
  font-size:13.5px;font-weight:600;color:#3b4552;
  cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-ink);transform:translateY(-1px);}
.chip.is-on{
  background:var(--ink);color:#fff;border-color:var(--ink);
  box-shadow:0 10px 22px rgba(14,19,25,.18);
}
.chip.is-on:hover{color:#fff;}

/* ---------- Scene cards ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;
}
.scene-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px;overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.scene-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  opacity:0;transition:opacity .24s ease;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--line-2);}
.scene-card:hover::before{opacity:1;}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.ep-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:8px;
  background:rgba(217,75,43,.1);color:var(--brand-ink);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.mood-tag{
  font-size:12px;font-weight:600;color:var(--muted);
  padding:5px 11px;border-radius:8px;background:var(--paper-2);
}
.scene-card h3{font-size:18.5px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.42;}
.scene-card p{font-size:14.5px;color:#4d5866;line-height:1.75;}
.quote{
  margin-top:18px;padding:14px 16px;border-left:3px solid var(--brand);
  background:var(--paper-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:14px;color:#3c4753;line-height:1.7;
}
.quote i{color:var(--brand-2);font-size:11px;margin-right:5px;}
.card-foot{
  margin-top:auto;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px;
}
.mini-tag{
  font-size:12px;color:var(--muted);padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);
}

/* ---------- Dark band ---------- */
.band-dark{
  background:
    radial-gradient(720px 340px at 92% 0%,rgba(242,145,60,.22),transparent 60%),
    var(--ink);
  color:#e9edf2;padding:88px 0;
}
.band-dark .section-kicker{color:var(--brand-2);}
.band-dark .section-kicker::before{background:var(--brand-2);}
.band-dark h2{color:#fff;}
.band-dark .section-head p{color:rgba(233,237,242,.66);}
.line-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.line-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);padding:26px 24px;
  transition:background .24s ease,transform .24s ease,border-color .24s ease;
}
.line-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);border-color:rgba(242,145,60,.45);}
.line-card .q-mark{font-size:26px;color:var(--brand-2);line-height:1;margin-bottom:14px;}
.line-card blockquote{
  margin:0 0 18px;font-size:16.5px;line-height:1.82;color:#fff;font-weight:500;
}
.line-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:rgba(233,237,242,.55);}
.line-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(233,237,242,.4);}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.1em;
  color:var(--brand);margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:9px;}
.step p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- Use cases ---------- */
.use-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.use-item{
  display:flex;gap:16px;padding:24px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:border-color .24s ease,transform .24s ease;
}
.use-item:hover{border-color:var(--brand);transform:translateY(-3px);}
.use-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;font-size:17px;
  background:linear-gradient(135deg,rgba(217,75,43,.14),rgba(242,145,60,.2));
  color:var(--brand-ink);
}
.use-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.use-item p{font-size:14px;color:var(--muted);line-height:1.72;}

/* ---------- Voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
}
.stars{color:var(--brand-2);font-size:12.5px;letter-spacing:2px;margin-bottom:14px;}
.voice p{font-size:14.5px;color:#414c59;line-height:1.8;}
.voice-who{display:flex;align-items:center;gap:11px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.voice-who strong{display:block;font-size:13.5px;color:var(--ink);}
.voice-who span{font-size:12px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:11px;color:var(--brand);transition:transform .22s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item summary:hover{color:var(--brand-ink);}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:#4d5866;line-height:1.85;}

/* ---------- CTA ---------- */
.cta{
  background:
    radial-gradient(600px 300px at 88% 10%,rgba(242,145,60,.34),transparent 62%),
    linear-gradient(135deg,#b93a1e,#d94b2b 46%,#ef8b3c);
  border-radius:var(--radius-xl);
  padding:60px 54px;color:#fff;
  display:grid;grid-template-columns:1.35fr auto;gap:36px;align-items:center;
  box-shadow:0 26px 60px rgba(217,75,43,.28);
}
.cta h2{font-size:clamp(23px,3vw,32px);font-weight:800;line-height:1.32;margin-bottom:12px;letter-spacing:-.01em;}
.cta p{font-size:15.5px;color:rgba(255,255,255,.86);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(233,237,242,.72);padding:64px 0 30px;margin-top:86px;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(233,237,242,.6);max-width:400px;}
.footer-col-title{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:14px;color:rgba(233,237,242,.68);
  padding:6px 0;text-decoration:none;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--brand-2);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;font-size:12.5px;color:rgba(233,237,242,.45);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .line-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .cta{grid-template-columns:1fr;padding:46px 36px;}
  .mega-panel{right:-160px;width:480px;}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;padding:14px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    border-radius:0 0 var(--radius-lg) var(--radius-lg);
    max-height:76vh;overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;justify-content:space-between;}
  .nav-mega{width:100%;}
  .mega-trigger{width:100%;}
  .mega-panel{
    position:static;width:auto;right:auto;top:auto;
    opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:1px solid var(--line);margin:6px 0 0;
    display:none;padding:14px;
  }
  .nav-mega:hover .mega-panel{display:none;}
  .nav-mega.is-open .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;}
  .nav-actions .btn-sm{display:none;}
  .brand-text{font-size:15px;}
}
@media (max-width:768px){
  .section{padding:62px 0;}
  .band-dark{padding:64px 0;}
  .hero{padding:52px 0 48px;}
  .card-grid{grid-template-columns:1fr;}
  .line-grid{grid-template-columns:1fr;}
  .use-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-stats{gap:22px;}
  .stat-num{font-size:22px;}
  .footer-top{grid-template-columns:1fr;}
  .cta{padding:38px 24px;border-radius:var(--radius-lg);}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .brand-text{font-size:14px;max-width:150px;white-space:normal;line-height:1.3;}
  .section-head h2{font-size:23px;}
  .scene-card{padding:20px;}
  .faq-item summary{padding:16px 18px;font-size:14.5px;}
  .faq-body{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;}
}