/* roulang page: index */
:root{
  --brand-600:#E8452B;
  --brand-500:#FF6A3D;
  --brand-400:#FF8A5B;
  --accent-500:#0FB58C;
  --accent-100:#E2F7F1;
  --gold-500:#F5B301;
  --ink-900:#1A1418;
  --ink-700:#4A4048;
  --ink-500:#7C737C;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --soft:#FFF1EA;
  --line:rgba(26,20,24,.08);
  --line-strong:rgba(26,20,24,.14);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(26,20,24,.04);
  --sh-2:0 12px 32px rgba(232,69,43,.10);
  --sh-3:0 24px 60px rgba(200,30,91,.14);
  --grad-main:linear-gradient(135deg,#FF6A3D 0%,#E8452B 52%,#C81E5B 100%);
  --grad-aux:linear-gradient(135deg,#0FB58C 0%,#15D6A6 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-600);}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(255,106,61,.55);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:var(--space-section);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.2px;}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:760px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-600);background:var(--soft);border-radius:var(--r-pill);padding:6px 14px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-main);}
.link-more{font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap;border-bottom:2px solid rgba(232,69,43,.25);padding-bottom:2px;}
.link-more:hover{border-bottom-color:var(--brand-600);}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 32px));
  height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 14px 0 16px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  z-index:90;
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:0 10px 30px rgba(26,20,24,.10);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-main);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;letter-spacing:-.5px;
  box-shadow:0 6px 16px rgba(232,69,43,.32);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.04em;line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:14.5px;font-weight:500;color:var(--ink-700);border-radius:var(--r-pill);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-600);background:rgba(255,106,61,.08);}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-links a.is-active{color:var(--ink-900);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.dock-cta{
  display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad-main);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 22px rgba(232,69,43,.26);white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.dock-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(232,69,43,.34);}
.dock-cta:active{transform:translateY(1px);}
.burger{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);background:#fff;
  border-radius:14px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .25s var(--ease),opacity .2s var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;top:88px;left:16px;right:16px;z-index:88;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-3);
  padding:12px;display:none;
}
.drawer.is-open{display:block;animation:drop .25s var(--ease);}
@keyframes drop{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:translateY(0);}}
.drawer a{display:block;padding:14px 16px;font-size:16px;font-weight:600;border-radius:14px;border-bottom:1px solid var(--line);}
.drawer a:last-of-type{border-bottom:0;}
.drawer a.is-active{color:var(--brand-600);background:var(--soft);}
.drawer .drawer-cta{display:block;text-align:center;margin-top:8px;border-bottom:0;background:var(--grad-main);color:#fff;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(160deg,#FFFDFB 0%,#FFF3EC 58%,#FFE9E0 100%);
  padding:56px 48px;
  box-shadow:var(--sh-1);
  border:1px solid rgba(255,255,255,.6);
}
.hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.38) 0%,rgba(255,138,91,.14) 45%,rgba(255,106,61,0) 72%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,106,61,.07) 0%,rgba(15,181,140,.05) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.hero h1{font-size:50px;line-height:1.18;font-weight:800;letter-spacing:-1px;margin:18px 0 16px;}
.hero h1 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-700);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 12px 28px rgba(232,69,43,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 38px rgba(232,69,43,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-3px);box-shadow:var(--sh-2);}
.btn-white{background:#fff;color:var(--brand-600);box-shadow:0 12px 28px rgba(0,0,0,.16);}
.btn-white:hover{color:var(--brand-600);transform:translateY(-3px);}
.btn-outline-white{background:transparent;border:1.5px solid rgba(255,255,255,.75);color:#fff;}
.btn-outline-white:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-3px);}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(26,20,24,.08);}
.hero-stat b{
  display:block;font-size:28px;line-height:1.2;font-weight:800;
  font-variant-numeric:tabular-nums;background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat b span{font-size:13px;font-weight:600;margin-left:2px;}
.hero-stat p{font-size:13px;color:var(--ink-500);margin-top:4px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.float-card{
  position:absolute;background:rgba(255,255,255,.95);border:1px solid var(--line);
  border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);backdrop-filter:blur(6px);
}
.float-card b{display:block;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;}
.float-card span{font-size:12px;color:var(--ink-500);}
.float-card.one{left:-16px;bottom:26px;}
.float-card.two{right:-10px;top:22px;}

/* ============ 痛点区 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pain-card{
  background:var(--soft);border:1px solid rgba(232,69,43,.10);border-radius:var(--r-md);
  padding:26px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pain-icon{
  width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(232,69,43,.35);
  display:grid;place-items:center;color:var(--brand-600);margin-bottom:16px;background:#fff;
}
.pain-icon svg{width:20px;height:20px;}
.pain-card h3{font-size:18px;line-height:1.4;font-weight:600;margin-bottom:8px;}
.pain-card p{font-size:14px;line-height:1.75;color:var(--ink-700);}

/* ============ 解决方案区 ============ */
.solution-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.sol-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.sol-card.tall{display:flex;flex-direction:column;}
.sol-card.tall img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);margin-bottom:22px;}
.sol-num{
  width:30px;height:30px;border-radius:50%;background:rgba(245,179,1,.16);color:#A97600;
  font-size:13px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;flex-shrink:0;
}
.sol-card h3{display:flex;align-items:center;gap:12px;font-size:20px;line-height:1.4;font-weight:600;margin-bottom:12px;}
.sol-card p{font-size:14.5px;line-height:1.8;color:var(--ink-700);}
.sol-side{display:grid;gap:24px;}
.sol-wide{
  grid-column:1 / -1;position:relative;overflow:hidden;border-radius:var(--r-lg);
  min-height:280px;display:flex;align-items:flex-end;padding:36px;color:#fff;
  box-shadow:var(--sh-2);
}
.sol-wide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.sol-wide .veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(26,20,24,.86) 0%,rgba(26,20,24,.55) 52%,rgba(200,30,91,.35) 100%);}
.sol-wide .inner{position:relative;z-index:2;max-width:620px;}
.sol-wide h3{font-size:24px;font-weight:700;margin-bottom:10px;}
.sol-wide p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);}
.sol-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.sol-tags span{
  font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
}

/* ============ 成果数据区 ============ */
.result{
  margin-top:var(--space-section);border-radius:var(--r-xl);overflow:hidden;position:relative;
  background:var(--ink-900);color:#fff;padding:56px 48px;
}
.result::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,106,61,.30) 0%,rgba(200,30,91,.16) 45%,rgba(15,181,140,.14) 100%);
}
.result .inner{position:relative;z-index:2;}
.result h2{font-size:30px;font-weight:700;margin-bottom:12px;}
.result .lead{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:760px;}
.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;border-top:1px solid rgba(255,255,255,.16);}
.result-item{padding:28px 24px 6px;border-right:1px solid rgba(255,255,255,.16);}
.result-item:last-child{border-right:0;}
.result-item b{
  display:block;font-size:44px;line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.result-item b span{font-size:15px;font-weight:600;margin-left:4px;}
.result-item p{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-cover{display:block;border-radius:var(--r-md);overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-meta{display:flex;align-items:center;gap:12px;margin:16px 0 10px;}
.pill{
  display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--accent-100);color:#0A7B5F;
}
.news-meta time{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums;}
.news-card h3{font-size:18px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .excerpt{
  font-size:14px;line-height:1.7;color:var(--ink-500);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .go{margin-top:16px;font-size:14px;font-weight:600;color:var(--brand-600);}
.empty-state{
  grid-column:1 / -1;border:1.5px dashed var(--line-strong);border-radius:var(--r-lg);
  background:#fff;padding:52px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;color:var(--brand-400);margin:0 auto 16px;}
.empty-state p{font-size:16px;font-weight:600;}
.empty-state small{display:block;margin-top:8px;font-size:13px;color:var(--ink-500);}

/* ============ 客户证言 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px 26px 32px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.quote-card::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:3px;background:var(--grad-main);}
.quote-card::after{
  content:"”";position:absolute;right:18px;top:0;font-size:96px;line-height:1;
  color:rgba(232,69,43,.08);font-family:Georgia,serif;
}
.quote-card p{font-size:15px;line-height:1.85;color:var(--ink-700);position:relative;z-index:2;}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:20px;}
.quote-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0;}
.quote-person b{display:block;font-size:15px;font-weight:600;}
.quote-person span{font-size:13px;color:var(--ink-500);}
.quote-badge{
  display:inline-block;margin-top:16px;font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(245,179,1,.14);color:#8A6200;
}

/* ============ CTA ============ */
.cta-band{
  margin-top:var(--space-section);border-radius:var(--r-xl);padding:56px 48px;color:#fff;
  background:var(--grad-main);position:relative;overflow:hidden;box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band .inner{position:relative;z-index:2;max-width:760px;}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.9);margin-top:14px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-note{position:relative;z-index:2;margin-top:22px;font-size:12.5px;color:rgba(255,255,255,.78);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:rgba(232,69,43,.22);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:20px 24px;background:transparent;
  border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--brand-600);}
.faq-index{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:rgba(245,179,1,.16);color:#8A6200;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.faq-q .sign{
  margin-left:auto;width:22px;height:22px;flex-shrink:0;position:relative;
  transition:transform .25s var(--ease);
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-q .sign::before{left:0;right:0;top:10px;height:2px;}
.faq-q .sign::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.is-open .sign{transform:rotate(45deg);}
.faq-a{display:none;padding:0 24px 22px 68px;font-size:15px;line-height:1.8;color:var(--ink-700);}
.faq-item.is-open .faq-a{display:block;}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--space-section);background:#14100F;color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:18px;max-width:340px;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.62);margin-top:14px;}
.footer-contact a{color:rgba(255,255,255,.82);}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);position:relative;display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-links a:hover{color:var(--brand-400);transform:translateX(2px);}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom .friend a{color:rgba(255,255,255,.62);}
.footer-bottom .friend a:hover{color:var(--brand-400);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--space-section:72px;}
  body{padding-top:88px;}
  .hero{padding:40px 32px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:38px;}
  .hero-visual img{aspect-ratio:16/9;}
  .float-card.one{left:8px;bottom:14px;}
  .float-card.two{right:8px;top:14px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .solution-layout{grid-template-columns:1fr;}
  .result{padding:44px 32px;}
  .result-grid{grid-template-columns:repeat(2,1fr);}
  .result-item{border-bottom:1px solid rgba(255,255,255,.16);padding:24px 16px;}
  .result-item:nth-child(2){border-right:0;}
  .news-grid,.quote-grid{grid-template-columns:repeat(2,1fr);}
  .section-head h2,.result h2,.cta-band h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:900px){
  .nav-links,.dock-cta{display:none;}
  .burger{display:flex;}
  .dock{height:60px;padding-right:10px;}
  .brand-text{font-size:15px;}
}
@media (max-width:768px){
  :root{--space-section:56px;}
  body{padding-top:84px;font-size:15.5px;}
  .container{padding-left:20px;padding-right:20px;}
  .hero{padding:32px 22px;border-radius:26px;}
  .hero h1{font-size:30px;letter-spacing:-.4px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .btn{width:100%;height:50px;}
  .hero-stats{gap:20px 28px;}
  .hero-stat b{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .section-head h2{font-size:22px;}
  .pain-grid{grid-template-columns:1fr;gap:16px;}
  .pain-card{padding:20px;}
  .sol-card{padding:20px;}
  .sol-card h3{font-size:18px;}
  .sol-wide{min-height:260px;padding:24px;}
  .sol-wide h3{font-size:20px;}
  .result{padding:34px 22px;border-radius:26px;}
  .result-grid{grid-template-columns:1fr;margin-top:28px;}
  .result-item{border-right:0;padding:22px 4px;}
  .result-item b{font-size:36px;}
  .news-grid,.quote-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;border-radius:26px;}
  .cta-band h2{font-size:22px;}
  .faq-q{padding:16px 18px;font-size:15px;gap:12px;}
  .faq-a{padding:0 18px 18px 56px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .hero-visual img{aspect-ratio:4/3;height:210px;}
  .float-card{padding:10px 13px;}
  .float-card b{font-size:17px;}
  .brand-text small{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand-600:#E8452B;
  --brand-500:#FF6A3D;
  --brand-400:#FF8A5B;
  --accent-500:#0FB58C;
  --accent-100:#E2F7F1;
  --gold-500:#F5B301;
  --ink-900:#1A1418;
  --ink-700:#4A4048;
  --ink-500:#7C737C;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --line:rgba(26,20,24,.08);
  --line-strong:rgba(26,20,24,.14);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(26,20,24,.04);
  --sh-2:0 12px 32px rgba(232,69,43,.10);
  --sh-3:0 24px 60px rgba(200,30,91,.14);
  --grad-main:linear-gradient(135deg,#FF6A3D 0%,#E8452B 52%,#C81E5B 100%);
  --grad-accent:linear-gradient(135deg,#0FB58C 0%,#15D6A6 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,106,61,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}
section{scroll-margin-top:110px;}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:90;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.nav-dock{
  pointer-events:auto;
  width:min(1120px,calc(100% - 32px));
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--sh-1);
  transition:height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.nav-dock.is-scrolled{
  height:56px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-2);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:12px;
  background:var(--grad-main);
  color:#fff;
  font-size:18px;
  font-weight:800;
  display:grid;
  place-items:center;
  box-shadow:0 6px 16px rgba(232,69,43,.28);
  transition:transform .22s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.04);}
.brand-text{
  display:flex;
  flex-direction:column;
  font-size:15px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand-text small{
  font-size:10px;
  font-weight:500;
  color:var(--ink-500);
  letter-spacing:.6px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:9px 14px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-700);
  border-radius:var(--r-pill);
  transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--brand-600);background:rgba(255,106,61,.08);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink-900);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--grad-main);
  color:#fff;
  font-size:14px;
  font-weight:600;
  box-shadow:0 8px 20px rgba(232,69,43,.26);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,69,43,.32);filter:saturate(1.06);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  position:relative;
  transition:background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}
.nav-drawer{
  display:none;
  pointer-events:auto;
  position:absolute;
  top:74px;
  left:16px;
  right:16px;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:12px;
  transform:translateY(-10px);
  opacity:0;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.nav-drawer.is-open{opacity:1;transform:translateY(0);}
.nav-drawer a{
  display:block;
  padding:14px 16px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-sm);
  border-bottom:1px solid var(--line);
}
.nav-drawer a:last-of-type{border-bottom:0;}
.nav-drawer a.is-active{color:var(--brand-600);background:rgba(255,106,61,.08);}
.nav-drawer .nav-cta{width:100%;justify-content:center;margin-top:10px;}

/* ---------- 通用 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:var(--grad-main);
  color:#fff;
  box-shadow:0 10px 26px rgba(232,69,43,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(200,30,91,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  color:var(--ink-900);
  border:1.5px solid var(--line-strong);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{
  background:#fff;
  color:var(--brand-600);
  box-shadow:0 10px 24px rgba(26,20,24,.16);
}
.btn-light:hover{transform:translateY(-2px);}
.btn-outline-white{
  border:1.5px solid rgba(255,255,255,.72);
  color:#fff;
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  background:rgba(255,106,61,.12);
  color:var(--brand-600);
}
.pill-accent{background:var(--accent-100);color:#0A7D62;}
.pill-gold{background:rgba(245,179,1,.16);color:#8A6400;}
.sec{margin-top:var(--sec-y);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{
  font-size:30px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.2px;
}
.sec-head p{margin-top:12px;color:var(--ink-500);font-size:15.5px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  letter-spacing:.4px;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  margin-top:24px;
  position:relative;
  border-radius:var(--r-xl);
  background:
    radial-gradient(560px 320px at 88% 6%,rgba(255,138,91,.30),transparent 62%),
    linear-gradient(135deg,rgba(255,106,61,.10) 0%,rgba(232,69,43,.05) 46%,rgba(200,30,91,.04) 100%),
    var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;
  padding:48px;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:auto -80px -120px auto;
  width:320px;
  height:320px;
  border-radius:50%;
  background:var(--grad-accent);
  opacity:.10;
  filter:blur(10px);
}
.cat-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-500);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--ink-500);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:rgba(26,20,24,.24);}
.breadcrumb .now{color:var(--ink-900);font-weight:600;}
.cat-hero h1{
  font-size:48px;
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.6px;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero .lead{
  margin-top:18px;
  max-width:560px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.metric{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 18px;
  min-width:132px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.metric b{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-variant-numeric:tabular-nums;
}
.metric span{
  display:block;
  margin-top:4px;
  font-size:12.5px;
  color:var(--ink-500);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-figure{
  position:relative;
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;
  left:-18px;
  bottom:-18px;
  background:#fff;
  border-radius:var(--r-md);
  padding:12px 16px;
  box-shadow:var(--sh-3);
  border:1px solid var(--line);
  max-width:220px;
}
.float-card strong{
  display:block;
  font-size:14px;
  font-weight:700;
}
.float-card small{
  display:block;
  margin-top:3px;
  font-size:12px;
  color:var(--ink-500);
  line-height:1.55;
}

/* ---------- 介绍段落 ---------- */
.intro{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:48px;
}
.intro-side h2{
  font-size:28px;
  line-height:1.3;
  font-weight:700;
}
.intro-side .tag-line{
  margin-top:16px;
  font-size:14px;
  color:var(--ink-500);
  line-height:1.75;
}
.intro-body p{
  font-size:16px;
  color:var(--ink-700);
  max-width:760px;
}
.intro-body p + p{margin-top:18px;}
.intro-body h3{
  margin-top:32px;
  font-size:20px;
  font-weight:700;
  padding-left:14px;
  position:relative;
}
.intro-body h3::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--grad-main);
}

/* ---------- 图文左对齐块 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px;
  box-shadow:var(--sh-1);
}
.split img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-md);
}
.split h2{
  font-size:26px;
  line-height:1.3;
  font-weight:700;
}
.split .sub{
  margin-top:12px;
  font-size:15px;
  color:var(--ink-700);
}
.check-list{margin-top:22px;display:grid;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--ink-700);
}
.check-list li i{
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--accent-100);
  color:#0A7D62;
  font-size:12px;
  font-style:normal;
  font-weight:700;
  display:grid;
  place-items:center;
  margin-top:3px;
}
.check-list li b{color:var(--ink-900);font-weight:600;}

/* ---------- 要点卡组 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.f-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,61,.28);}
.f-num{
  width:36px;
  height:36px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:700;
  color:#7A5700;
  background:rgba(245,179,1,.18);
  font-variant-numeric:tabular-nums;
}
.f-card h3{
  margin-top:16px;
  font-size:18px;
  font-weight:600;
  line-height:1.4;
}
.f-card p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--ink-500);
}

/* ---------- 时间线 ---------- */
.timeline-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px;
  box-shadow:var(--sh-1);
}
.timeline{
  position:relative;
  padding-left:44px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:15px;
  top:8px;
  bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(255,106,61,.6),rgba(200,30,91,.25),rgba(15,181,140,.35));
}
.tl-item{
  position:relative;
  padding:20px 0 22px;
  border-bottom:1px dashed var(--line-strong);
}
.tl-item:last-child{border-bottom:0;padding-bottom:4px;}
.tl-item::before{
  content:attr(data-step);
  position:absolute;
  left:-44px;
  top:22px;
  width:32px;
  height:32px;
  border-radius:50%;
  background:#fff;
  border:2px solid rgba(255,106,61,.42);
  color:var(--brand-600);
  font-size:12.5px;
  font-weight:700;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 12px rgba(232,69,43,.12);
}
.tl-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.tl-item h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
}
.tl-item p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--ink-500);
  line-height:1.8;
  max-width:820px;
}
.tl-meta{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  font-size:12.5px;
  color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent-500);
  display:inline-block;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:rgba(255,106,61,.28);}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,106,61,.04);}
.faq-idx{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:12.5px;
  font-weight:700;
  color:#7A5700;
  background:rgba(245,179,1,.18);
  font-variant-numeric:tabular-nums;
}
.faq-plus{
  flex:0 0 auto;
  margin-left:auto;
  width:22px;
  height:22px;
  position:relative;
  transition:transform .26s var(--ease);
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--brand-600);
  border-radius:2px;
}
.faq-plus::before{left:0;right:0;top:10px;height:2px;}
.faq-plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-body{
  padding:0 24px 22px 66px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-700);
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  border-radius:var(--r-xl);
  background:var(--grad-main);
  color:#fff;
  padding:56px 48px;
  overflow:hidden;
  box-shadow:var(--sh-3);
}
.cta-card::before{
  content:"";
  position:absolute;
  inset:-40% -10% auto auto;
  width:520px;
  height:520px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  filter:blur(2px);
}
.cta-card::after{
  content:"";
  position:absolute;
  left:-120px;
  bottom:-180px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:rgba(26,20,24,.16);
}
.cta-inner{position:relative;max-width:720px;}
.cta-card h2{font-size:32px;line-height:1.25;font-weight:800;}
.cta-card p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.9);}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-note{
  position:relative;
  margin-top:22px;
  font-size:12.5px;
  color:rgba(255,255,255,.78);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec-y);
  background:#14100F;
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text small{color:rgba(255,255,255,.5);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-contact{margin-top:14px;font-size:13.5px;}
.footer-contact a{color:var(--brand-400);}
.site-footer h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{
  position:relative;
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-3px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.footer-links a:hover{color:var(--brand-400);transform:translateY(-2px);}
.footer-links a:hover::after{transform:scaleX(1);}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--brand-400);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-drawer{display:block;}
  .cat-hero{padding:36px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero h1{font-size:38px;}
  .intro{grid-template-columns:1fr;gap:24px;}
  .split{grid-template-columns:1fr;gap:28px;padding:28px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{padding-top:88px;}
  :root{--sec-y:56px;}
  .container{padding:0 20px;}
  .cat-hero{padding:26px 20px;border-radius:var(--r-lg);}
  .cat-hero h1{font-size:30px;}
  .cat-hero .lead{font-size:15.5px;}
  .sec-head h2{font-size:22px;}
  .cta-card{padding:36px 22px;border-radius:var(--r-lg);}
  .cta-card h2{font-size:23px;}
  .timeline-wrap{padding:22px 20px;}
  .timeline{padding-left:38px;}
  .tl-item::before{left:-38px;width:28px;height:28px;font-size:11.5px;}
  .faq-item summary{padding:16px;font-size:15px;}
  .faq-body{padding:0 16px 18px 58px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure img{aspect-ratio:16/9;}
  .float-card{left:8px;bottom:-14px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-btns .btn{width:100%;}
  .metric{min-width:calc(50% - 6px);flex:1 1 calc(50% - 6px);}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand-600:#E8452B;
  --brand-500:#FF6A3D;
  --brand-400:#FF8A5B;
  --accent-500:#0FB58C;
  --accent-100:#E2F7F1;
  --gold-500:#F5B301;
  --ink-900:#1A1418;
  --ink-700:#4A4048;
  --ink-500:#7C737C;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --line:rgba(26,20,24,.08);
  --warm:#FFF1EA;
  --grad-main:linear-gradient(135deg,#FF6A3D 0%,#E8452B 55%,#C81E5B 100%);
  --grad-accent:linear-gradient(135deg,#0FB58C 0%,#15D6A6 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(26,20,24,.04);
  --sh-2:0 12px 32px rgba(232,69,43,.10);
  --sh-3:0 24px 60px rgba(200,30,91,.14);
  --t:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:96px;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--t),border-color .22s var(--t),background .22s var(--t)}
a:hover{color:var(--brand-600)}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
li{list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
:focus-visible{outline:3px solid rgba(255,106,61,.55);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s var(--t),box-shadow .22s var(--t),background .22s var(--t),color .22s var(--t),border-color .22s var(--t);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 26px rgba(232,69,43,.28)}
.btn-primary:hover{color:#fff;box-shadow:0 16px 34px rgba(232,69,43,.36);transform:translateY(-2px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:rgba(232,69,43,.4);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-light{background:#fff;color:var(--brand-600)}
.btn-light:hover{color:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.18)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.78);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.4;white-space:nowrap;
}
.badge-brand{background:var(--warm);color:var(--brand-600)}
.badge-accent{background:var(--accent-100);color:#0a7a5e}
.badge-gold{background:rgba(245,179,1,.16);color:#8a6100}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:90;
  padding:0 16px;display:flex;justify-content:center;pointer-events:none;
}
.dock{
  position:relative;pointer-events:auto;
  width:min(1120px,100%);height:64px;
  display:flex;align-items:center;gap:16px;padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--sh-1);
  transition:height .28s var(--t),background .28s var(--t),box-shadow .28s var(--t);
}
.site-header.is-scrolled .dock{
  height:56px;background:rgba(255,255,255,.94);
  box-shadow:0 12px 30px rgba(26,20,24,.10);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-main);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 18px rgba(232,69,43,.28);
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:16.5px;font-weight:800;letter-spacing:.2px;
}
.brand-text small{font-size:10.5px;font-weight:500;color:var(--ink-500);letter-spacing:1.6px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-700);
}
.nav-links a:hover{color:var(--brand-600);background:var(--warm)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.dock-cta{margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:var(--r-sm);
  align-items:center;justify-content:center;color:var(--ink-900);
}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.dock-drawer{
  pointer-events:auto;position:fixed;left:16px;right:16px;top:88px;z-index:88;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 50px rgba(26,20,24,.16);
  padding:14px;display:none;
}
.dock-drawer.is-open{display:block}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  padding:14px 12px;font-size:15.5px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.drawer-links a:last-child{border-bottom:0}
.dock-drawer .btn{margin-top:14px}

/* ---------- 面包屑 / TDK 区 ---------- */
.article-hero{padding:24px 0 0}
.article-hero-inner{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:linear-gradient(160deg,#FFFFFF 0%,#FFF4ED 100%);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  padding:40px 44px 44px;
  scroll-margin-top:110px;
}
.article-hero-inner::before{
  content:"";position:absolute;right:-140px;top:-190px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.30) 0%,rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.article-hero-inner::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,181,140,.18) 0%,rgba(15,181,140,0) 70%);
  pointer-events:none;
}
.breadcrumb{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);
}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:rgba(26,20,24,.25)}
.breadcrumb .current{color:var(--ink-900);font-weight:600}
.article-title{
  position:relative;margin-top:16px;max-width:920px;
  font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.5px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:20px;font-size:13.5px;color:var(--ink-500);
}
.meta-row time,.meta-row .num{font-variant-numeric:tabular-nums}
.meta-row .divider{width:1px;height:14px;background:rgba(26,20,24,.14)}

/* ---------- 两栏布局 ---------- */
.article-wrap{padding:44px 0 0}
.layout-2col{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;align-items:start;
}
.post-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh-1);
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 18px;max-width:760px}
.article-body h2{
  position:relative;margin:38px 0 16px;padding-left:16px;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--ink-900);
  scroll-margin-top:110px;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:3px;background:var(--grad-main);
}
.article-body h3{margin:26px 0 12px;font-size:19px;font-weight:600;line-height:1.45;color:var(--ink-900)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;max-width:760px}
.article-body ul li{position:relative;margin-bottom:8px;list-style:none}
.article-body ul li::before{
  content:"";position:absolute;left:-18px;top:13px;width:7px;height:7px;border-radius:50%;
  background:var(--brand-500);
}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body blockquote{
  position:relative;margin:24px 0;padding:18px 22px 18px 26px;
  background:var(--warm);border-radius:var(--r-sm);
  font-size:15.5px;font-style:italic;color:var(--ink-700);max-width:760px;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:3px;background:var(--grad-main);
}
.article-body img{border-radius:16px;margin:22px auto;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--ink-500);text-align:center}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(232,69,43,.35)}
.article-body a:hover{border-bottom-color:var(--brand-600)}
.article-body table{
  display:block;width:100%;overflow-x:auto;margin:24px 0;
  border:1px solid var(--line);border-radius:14px;border-collapse:collapse;
  font-size:15px;-webkit-overflow-scrolling:touch;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body thead th{background:#FFF4ED;color:var(--ink-900);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FDFAF8}
.article-body pre{
  margin:22px 0;padding:16px 18px;background:#1A1418;color:#F5EFEF;
  border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:rgba(26,20,24,.06);padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:48px 24px;border:1.5px dashed rgba(232,69,43,.32);
  border-radius:var(--r-md);background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--warm);color:var(--brand-600);display:grid;place-items:center;
}
.empty-icon svg{width:26px;height:26px}
.empty-state h2{font-size:22px;font-weight:700}
.empty-state p{
  margin:10px auto 0;max-width:520px;font-size:14.5px;color:var(--ink-500);line-height:1.8;
}
.empty-state .btn{margin-top:22px}

/* ---------- 标签与翻页 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:24px;
  border-top:1px solid var(--line);
}
.tag{
  padding:7px 14px;border-radius:var(--r-pill);background:var(--warm);
  color:var(--brand-600);font-size:13px;font-weight:600;
}
.tag:hover{background:var(--brand-600);color:#fff}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.pager a{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--t),box-shadow .22s var(--t),border-color .22s var(--t);
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,43,.28)}
.pager .pager-label{font-size:12.5px;color:var(--ink-500);font-weight:500}
.pager .pager-title{
  font-size:15px;font-weight:600;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager .is-next{align-items:flex-end;text-align:right}
.back-row{margin-top:26px;display:flex;justify-content:center}

/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h2{font-size:16px;font-weight:700;line-height:1.5}
.toc-card{position:sticky;top:96px}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;font-size:14px;line-height:1.6;
  color:var(--ink-700);border-left:2px solid transparent;
}
.toc-list a:hover{background:var(--warm);color:var(--brand-600)}
.toc-list a.is-current{
  background:var(--warm);color:var(--brand-600);font-weight:600;border-left-color:var(--brand-600);
}
.toc-empty{margin-top:12px;font-size:13.5px;color:var(--ink-500);line-height:1.7}
.hot-list{margin-top:14px;display:flex;flex-direction:column;gap:12px}
.hot-list li{display:flex;gap:10px;font-size:14px;line-height:1.6}
.hot-num{
  flex:0 0 22px;height:22px;margin-top:3px;border-radius:50%;
  background:rgba(245,179,1,.18);color:#8a6100;
  font-size:12px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.hot-list a{color:var(--ink-700)}
.hot-list a:hover{color:var(--brand-600)}
.mini-cta{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  background:var(--grad-main);color:#fff;padding:24px;
  box-shadow:0 18px 40px rgba(200,30,91,.22);
}
.mini-cta::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 10%,rgba(255,255,255,.28),transparent 55%);
  pointer-events:none;
}
.mini-cta h2{font-size:18px;font-weight:700;position:relative}
.mini-cta p{margin-top:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.92);position:relative}
.mini-cta .btn{margin-top:16px;position:relative}

/* ---------- 相关推荐 ---------- */
.section{padding:76px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;
}
.section-head h2{font-size:30px;font-weight:700;line-height:1.25}
.section-head p{margin-top:8px;font-size:14px;color:var(--ink-500);max-width:620px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .22s var(--t),box-shadow .22s var(--t),border-color .22s var(--t);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,43,.22)}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--warm)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--t)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 22px}
.rec-body h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.rec-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-600)}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:76px 0 96px}
.cta-card{
  position:relative;overflow:hidden;text-align:center;color:#fff;
  border-radius:var(--r-xl);background:var(--grad-main);padding:56px;
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 12% 18%,rgba(255,255,255,.24),transparent 58%);
  pointer-events:none;
}
.cta-card h2{position:relative;font-size:32px;font-weight:800;line-height:1.28}
.cta-card p{
  position:relative;margin:14px auto 0;max-width:660px;font-size:16px;color:rgba(255,255,255,.94);
}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-note{position:relative;margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.78)}

/* ---------- 页脚 ---------- */
.site-footer{background:#14100F;color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text small{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:16px;max-width:380px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-contact{margin-top:12px!important;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact a{color:rgba(255,255,255,.86)}
.footer-contact a:hover{color:var(--brand-500)}
.site-footer h3{margin-bottom:16px;font-size:15px;font-weight:600;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{position:relative;width:fit-content;font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;
  background:var(--brand-500);transition:width .22s var(--t);
}
.footer-links a:hover{color:var(--brand-500)}
.footer-links a:hover::after{width:100%}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:var(--brand-500)}

/* ---------- 断点 ---------- */
@media (max-width:1024px){
  .layout-2col{grid-template-columns:1fr;gap:28px}
  .toc-card{position:static}
  .article-title{font-size:36px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-links,.dock-cta{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:768px){
  body{padding-top:88px}
  .container{padding:0 20px}
  .article-hero-inner{padding:28px 22px 30px;border-radius:24px}
  .article-title{font-size:28px;-webkit-line-clamp:4}
  .post-card{padding:22px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .section{padding:56px 0 0}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:22px}
  .section-head h2{font-size:24px}
  .rec-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .is-next{align-items:flex-start;text-align:left}
  .cta-section{padding:56px 0 72px}
  .cta-card{padding:36px 22px;border-radius:24px}
  .cta-card h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .brand-text small{display:none}
}
@media (max-width:520px){
  .article-title{font-size:25px}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .brand-text{font-size:15px}
  .dock{height:58px;padding:0 12px 0 14px}
  .article-hero{padding-top:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category2 */
:root{
  --brand-600:#E8452B;
  --brand-500:#FF6A3D;
  --brand-400:#FF8A5B;
  --accent-500:#0FB58C;
  --accent-100:#E2F7F1;
  --gold-500:#F5B301;
  --ink-900:#1A1418;
  --ink-700:#4A4048;
  --ink-500:#7C737C;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --line:rgba(26,20,24,.08);
  --line-strong:rgba(26,20,24,.14);
  --warm-soft:#FFF1EA;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(26,20,24,.04);
  --sh-2:0 12px 32px rgba(232,69,43,.10);
  --sh-3:0 24px 60px rgba(200,30,91,.14);
  --grad-brand:linear-gradient(135deg,#FF6A3D 0%,#E8452B 55%,#C81E5B 100%);
  --grad-accent:linear-gradient(135deg,#0FB58C 0%,#15D6A6 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  padding-top:96px;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:3px solid rgba(255,106,61,.55);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,106,61,.22)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部浮动 Dock 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1120px,100%);
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.7);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  box-shadow:var(--sh-1);
  transition:height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled .dock{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad-brand);
  color:#fff;font-size:18px;font-weight:800;line-height:1;
  box-shadow:0 8px 18px rgba(232,69,43,.28);
}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;line-height:1.2;letter-spacing:-.01em}
.brand-text small{font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.06em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--brand-600);background:rgba(255,106,61,.08)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.menu-toggle{
  display:none;
  width:44px;height:44px;border-radius:14px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .24s var(--ease),top .24s var(--ease)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle[aria-expanded="true"] span{background:transparent}
.menu-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  pointer-events:auto;
  position:fixed;top:88px;left:16px;right:16px;z-index:79;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:14px;
  display:none;
}
.mobile-drawer.is-open{display:block;animation:drawerIn .24s var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.mobile-drawer nav{display:flex;flex-direction:column}
.mobile-drawer nav a{padding:14px 12px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-drawer nav a:last-child{border-bottom:0}
.mobile-drawer nav a.is-active{color:var(--brand-600)}
.mobile-drawer .btn{margin-top:12px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(232,69,43,.26)}
.btn-primary:hover{box-shadow:0 16px 34px rgba(232,69,43,.34);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-light{background:#fff;color:var(--brand-600);box-shadow:0 10px 24px rgba(20,16,15,.18)}
.btn-light:hover{transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 通用板块 ============ */
main{display:block}
.section{padding:96px 0 0}
.section:last-of-type{padding-bottom:96px}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--warm-soft);color:var(--brand-600);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:16px;
}
.eyebrow.accent{background:var(--accent-100);color:#0B8F70}
.section-head h2{font-size:30px;line-height:1.25;margin-bottom:14px}
.section-head p{color:var(--ink-700);font-size:16px;max-width:720px}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.text-link{font-size:14px;font-weight:600;color:var(--brand-600);border-bottom:2px solid rgba(232,69,43,.25);padding-bottom:2px}
.text-link:hover{border-color:var(--brand-600)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding-top:28px}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:rgba(26,20,24,.25)}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-xl);
  padding:48px 48px 44px;
  background:
    radial-gradient(680px 320px at 92% 6%,rgba(15,181,140,.20),transparent 62%),
    linear-gradient(135deg,rgba(255,106,61,.20) 0%,rgba(255,138,91,.14) 38%,rgba(15,181,140,.16) 100%),
    var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:0;top:0;height:6px;width:100%;
  background:linear-gradient(135deg,#FF6A3D 0%,#0FB58C 100%);
  opacity:.9;
}
.cat-hero h1{font-size:44px;line-height:1.2;font-weight:800;margin-bottom:18px}
.cat-hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lede{font-size:17px;line-height:1.85;color:var(--ink-700);max-width:620px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.stat-badge .v{font-size:24px;font-weight:800;line-height:1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-badge .u{font-size:12px;font-weight:600;color:var(--ink-700)}
.stat-badge .t{font-size:12px;color:var(--ink-500);margin-left:2px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-3)}
.float-card{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:10px;
}
.float-card .dot{width:10px;height:10px;border-radius:50%;background:var(--accent-500);box-shadow:0 0 0 4px rgba(15,181,140,.16)}
.float-card b{font-size:14px;display:block;line-height:1.3}
.float-card span{font-size:12px;color:var(--ink-500)}

/* ============ 介绍段落 ============ */
.intro-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.intro-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
}
.intro-card h3{font-size:20px;margin-bottom:14px}
.intro-card p{color:var(--ink-700);font-size:15.5px;line-height:1.9}
.intro-card p + p{margin-top:14px}
.intro-card .tag-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--warm-soft);color:var(--brand-600);
  font-size:12.5px;font-weight:600;
}
.pill.green{background:var(--accent-100);color:#0B8F70}
.pill.gold{background:rgba(245,179,1,.14);color:#9A7000}

/* ============ 双列大卡矩阵 ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.matrix-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.matrix-card .card-body{padding:28px}
.matrix-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.matrix-card h3{font-size:21px;margin:14px 0 12px}
.matrix-card p{color:var(--ink-700);font-size:15px;line-height:1.85}
.matrix-card .card-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.index-badge{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;
  background:var(--grad-brand);color:#fff;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(232,69,43,.24);
}
.index-badge.gold{background:linear-gradient(135deg,#F5B301 0%,#FFD166 100%);color:#4A3400;box-shadow:0 8px 18px rgba(245,179,1,.28)}
.index-badge.green{background:var(--grad-accent);box-shadow:0 8px 18px rgba(15,181,140,.24)}

/* ============ 条目列表 ============ */
.dim-list{display:flex;flex-direction:column;gap:12px}
.dim-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 26px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.dim-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,61,.28)}
.dim-item .idx{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;font-size:16px;
  background:rgba(245,179,1,.16);color:#8A6400;
  font-variant-numeric:tabular-nums;
}
.dim-item h3{font-size:18px;margin-bottom:6px}
.dim-item p{color:var(--ink-700);font-size:14.5px;line-height:1.8}
.dim-item .meta{font-size:13px;color:var(--ink-500);white-space:nowrap}
.dim-item .meta b{display:block;color:var(--ink-900);font-size:15px;font-variant-numeric:tabular-nums}

/* ============ 阅读顺序三步 ============ */
.step-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-card::before{
  content:"";position:absolute;left:30px;top:0;width:56px;height:4px;border-radius:0 0 4px 4px;
  background:var(--grad-brand);
}
.step-card .step-no{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.12em;margin-bottom:12px}
.step-card h3{font-size:19px;margin-bottom:12px}
.step-card p{color:var(--ink-700);font-size:15px;line-height:1.85}

/* ============ FAQ ============ */
.faq-wrap{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:rgba(255,106,61,.24)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-no{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;
  background:rgba(245,179,1,.18);color:#8A6400;
  font-variant-numeric:tabular-nums;
}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;
  width:26px;height:26px;position:relative;
  transition:transform .26s var(--ease);
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:14px;height:2px}
.faq-item summary .plus::after{width:2px;height:14px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .answer{padding:0 24px 22px 68px;color:var(--ink-700);font-size:15px;line-height:1.85}
.faq-item summary:hover{color:var(--brand-600)}

/* ============ CTA ============ */
.cta-card{
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  color:#fff;
  padding:56px 48px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
  box-shadow:var(--sh-3);
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24),transparent 68%);
}
.cta-card h2{font-size:32px;line-height:1.25;margin-bottom:14px}
.cta-card p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-note{margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.78)}
.cta-side{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
  border-radius:var(--r-lg);
  padding:24px;backdrop-filter:blur(6px);
}
.cta-side h3{font-size:17px;margin-bottom:14px}
.cta-side li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.94);padding:9px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.cta-side li:last-child{border-bottom:0}
.cta-side li b{font-variant-numeric:tabular-nums;color:#FFE7DC}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:#14100F;color:rgba(255,255,255,.74);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-contact{margin-top:14px}
.footer-contact a{color:var(--brand-400)}
.footer-contact a:hover{color:#fff}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;width:fit-content}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--brand-400)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  body{padding-top:88px}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .dock-right .btn{display:none}
  .section{padding-top:72px}
  .cat-hero{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .cat-hero h1{font-size:36px}
  .intro-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .step-flow{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding-top:56px}
  .cat-hero{padding:32px 22px;border-radius:var(--r-lg)}
  .cat-hero h1{font-size:30px}
  .cat-hero .lede{font-size:16px}
  .section-head h2{font-size:22px}
  .section-head--split{flex-direction:column;align-items:flex-start}
  .dim-item{grid-template-columns:52px 1fr;gap:16px;padding:20px}
  .dim-item .meta{grid-column:1 / -1;white-space:normal;padding-top:6px;border-top:1px solid var(--line)}
  .dim-item .meta b{display:inline;margin-right:6px}
  .faq-item summary{padding:18px;font-size:16px;gap:12px}
  .faq-item .answer{padding:0 18px 18px 58px}
  .cta-card h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .float-card{left:10px;bottom:10px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .brand-text{font-size:14px}
  .brand-text small{display:none}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
  .cat-hero h1{font-size:27px}
  .stat-badge{padding:8px 12px}
  .stat-badge .v{font-size:20px}
  .matrix-card .card-body{padding:22px}
  .step-card{padding:24px}
  .btn{width:100%}
  .dock-right .btn-sm{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand-600:#E8452B;
  --brand-500:#FF6A3D;
  --brand-400:#FF8A5B;
  --accent-500:#0FB58C;
  --accent-100:#E2F7F1;
  --gold-500:#F5B301;
  --ink-900:#1A1418;
  --ink-700:#4A4048;
  --ink-500:#7C737C;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --line:rgba(26,20,24,.08);
  --tint:#FFF1EA;
  --tint-soft:#FFFBF8;
  --footer-bg:#14100F;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(26,20,24,.04);
  --sh-2:0 12px 32px rgba(232,69,43,.10);
  --sh-3:0 24px 60px rgba(200,30,91,.14);
  --grad-brand:linear-gradient(135deg,#FF6A3D 0%,#E8452B 52%,#C81E5B 100%);
  --grad-accent:linear-gradient(135deg,#0FB58C 0%,#15D6A6 100%);
  --grad-hero:linear-gradient(135deg,#FF6A3D 0%,#F5B301 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:96px;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink-900)}
p{margin:0}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-500)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(255,106,61,.55);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,106,61,.22)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:30px;letter-spacing:-.01em}
.section-head .lede{max-width:760px;color:var(--ink-700);font-size:15px;margin-top:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:var(--tint);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand)}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1120px,100%);
  height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 14px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:height .26s var(--ease),background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled .dock{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(232,69,43,.28);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.16;white-space:nowrap}
.brand-text small{font-size:11px;font-weight:500;color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--ink-700);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-600);background:#FFF3EE}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-brand);
}
.dock-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 20px rgba(232,69,43,.24);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.dock-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,69,43,.3)}
.dock-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:14px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  position:fixed;top:88px;left:16px;right:16px;z-index:79;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:12px;display:none;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:14px 16px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer a.is-active{color:var(--brand-600);background:var(--tint)}
.mobile-drawer .drawer-cta{
  margin-top:10px;text-align:center;color:#fff;background:var(--grad-brand);border-bottom:0;
}

/* ---------- Hero ---------- */
.hero{padding-top:26px}
.hero-card{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,#FFF3EC 0%,#FFF9F5 46%,#FFF6E8 100%);
  box-shadow:var(--sh-1);
  padding:44px 48px 40px;
}
.hero-card::before{
  content:"";position:absolute;width:460px;height:460px;right:-140px;top:-190px;
  background:radial-gradient(circle,rgba(232,69,43,.26),rgba(245,179,1,.14) 52%,transparent 70%);
  pointer-events:none;
}
.hero-card::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(15,181,140,.12),transparent 68%);
  pointer-events:none;
}
.crumbs{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs .sep{color:rgba(26,20,24,.24)}
.crumbs .current{color:var(--ink-900);font-weight:600}
.hero-top{position:relative;max-width:860px;margin-top:18px}
.hero-top h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.16;letter-spacing:-.02em;font-weight:800;margin:14px 0 16px;
}
.hero-top h1 em{font-style:normal;background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--ink-700);max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-700);box-shadow:var(--sh-1);
}
.chip b{color:var(--brand-600);font-size:15px;font-variant-numeric:tabular-nums}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(232,69,43,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(232,69,43,.3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-light{background:#fff;color:var(--brand-600)}
.btn-light:hover{color:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 30px rgba(26,20,24,.16)}
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

.hero-visual{position:relative;margin-top:34px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.hero-visual img{width:100%;aspect-ratio:16/7;object-fit:cover}
.hero-visual .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,20,24,0) 42%,rgba(26,20,24,.42) 100%)}
.hero-visual .veil-text{position:absolute;left:26px;bottom:22px;color:#fff;max-width:520px}
.hero-visual .veil-text strong{display:block;font-size:17px;font-weight:700}
.hero-visual .veil-text span{font-size:13.5px;opacity:.86}

.metric-strip{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:22px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.metric-strip div{background:#fff;padding:18px 20px}
.metric-strip b{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-strip span{font-size:13px;color:var(--ink-500)}

/* ---------- 通用区块 ---------- */
.lead-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.prose p{font-size:16px;color:var(--ink-700);max-width:760px}
.prose p + p{margin-top:18px}
.prose h2{margin-bottom:20px}
.pull-quote{
  background:var(--tint);border-left:4px solid var(--brand-500);
  border-radius:var(--r-sm);padding:18px 22px;font-size:15px;color:var(--ink-900);
}
.figure-card{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;padding:14px;box-shadow:var(--sh-1)}
.figure-card img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%}
.figure-card figcaption{font-size:13px;color:var(--ink-500);text-align:center;padding:12px 6px 4px}

/* 要点卡 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid rgba(26,20,24,.06);
  border-radius:var(--r-md);padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,43,.18)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-700)}
.card .kv{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--tint);color:var(--brand-600);
  font-size:12.5px;font-weight:600;
}
.tag-mint{background:var(--accent-100);color:#0A7A5F}
.icon-dot{
  width:44px;height:44px;border-radius:50%;
  border:1.5px solid rgba(232,69,43,.28);color:var(--brand-600);
  display:grid;place-items:center;font-size:16px;font-weight:800;margin-bottom:16px;
}

/* 条目列表 */
.steps{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-1);overflow:hidden}
.step{
  display:grid;grid-template-columns:78px 1fr auto;gap:20px;align-items:center;
  padding:24px 28px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.step:last-child{border-bottom:0}
.step:hover{background:var(--tint-soft)}
.step .idx{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,#F5B301,#FF8A5B);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(245,179,1,.28);
}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--ink-700);max-width:720px}
.step .side{font-size:13px;color:var(--ink-500);white-space:nowrap;border-left:1px solid var(--line);padding-left:20px}

/* 数据徽章表 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-1)}
.metric-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px}
.metric-table thead th{
  background:#FFF3EE;color:var(--ink-700);font-size:13px;font-weight:600;text-align:left;
  padding:16px 20px;white-space:nowrap;border-bottom:1px solid var(--line);
}
.metric-table td{padding:18px 20px;border-bottom:1px solid var(--line);color:var(--ink-700);vertical-align:top}
.metric-table tbody tr:nth-child(even){background:var(--tint-soft)}
.metric-table tbody tr:last-child td{border-bottom:0}
.metric-table td:first-child{color:var(--ink-900);font-weight:600}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:var(--accent-100);color:#0A7A5F;
}
.badge-pill.gold{background:#FFF6DE;color:#9A6B00}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid rgba(26,20,24,.06);
  border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .22s var(--ease)
}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .q-idx{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  background:linear-gradient(135deg,#F5B301,#FFC95C);color:#fff;
  display:grid;place-items:center;font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums;
}
.faq-item .plus{
  margin-left:auto;width:26px;height:26px;flex:0 0 26px;position:relative;
  transition:transform .24s var(--ease)
}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;transform:translate(-50%,-50%)
}
.faq-item .plus::before{width:14px;height:2px}
.faq-item .plus::after{width:2px;height:14px}
.faq-item[open] .plus{transform:rotate(45deg)}
.faq-item .answer{padding:0 24px 22px 68px;font-size:15px;line-height:1.8;color:var(--ink-700)}

/* CTA */
.cta-wrap{padding-top:88px}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);padding:52px 48px;color:#fff;
  background:var(--grad-brand);
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.26),transparent 66%);
}
.cta-card h2{color:#fff;font-size:32px;position:relative}
.cta-card p{position:relative;margin-top:14px;max-width:660px;font-size:15.5px;color:rgba(255,255,255,.92)}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-note{position:relative;margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.78)}

/* Footer */
.site-footer{margin-top:96px;background:var(--footer-bg);color:rgba(255,255,255,.78);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:18px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.66);max-width:340px}
.footer-contact{margin-top:12px}
.footer-contact a{color:var(--brand-400)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.56)
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--brand-400)}

/* 动效降级 */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .lead-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{padding:44px 32px}
}
@media (max-width:900px){
  .nav-links,.dock-cta{display:none}
  .nav-toggle{display:flex}
  .dock{height:60px}
  .hero-card{padding:34px 26px 30px}
}
@media (max-width:768px){
  body{padding-top:88px}
  .section{padding-top:64px}
  .cta-wrap{padding-top:64px}
  .section-head h2{font-size:24px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:1fr}
  .step{grid-template-columns:56px 1fr;gap:14px;padding:20px}
  .step .side{grid-column:2;border-left:0;padding-left:0;margin-top:8px;white-space:normal}
  .step .idx{width:38px;height:38px}
  .faq-item .answer{padding:0 20px 20px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px;padding-top:48px}
  .cta-card h2{font-size:25px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-card{padding:26px 20px 24px}
  .hero-top h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .hero-visual img{aspect-ratio:16/10}
  .hero-visual .veil-text{left:18px;bottom:16px}
  .btn{width:100%}
  .hero-actions,.cta-actions{flex-direction:column}
  .metric-strip b{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:15.5px;padding:18px 18px}
  .cta-card{padding:32px 22px}
}