/* roulang page: index */
:root{
  --brand-900:#1C1233;
  --brand-800:#241640;
  --brand-700:#3A2170;
  --brand-600:#4B2AA8;
  --brand-500:#6D3EDB;
  --accent-lime:#C6F04A;
  --accent-coral:#FF6B4A;
  --accent-amber:#FFB020;
  --bg:#FAF7FF;
  --bg-alt:#F2EDFB;
  --card:#FFFFFF;
  --line:#E8E1F6;
  --line-strong:#241640;
  --text-1:#1F1830;
  --text-2:#5A5273;
  --text-3:#8C86A0;
  --grad-brand:linear-gradient(120deg,#4B2AA8 0%,#7C3AED 45%,#FF6B4A 100%);
  --grad-cover:linear-gradient(135deg,#2B1755 0%,#5B2ED6 62%,#FF6B4A 100%);
  --grad-lime:linear-gradient(120deg,#C6F04A 0%,#7CE0A0 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,51,.04),0 6px 20px -8px rgba(28,18,51,.10);
  --sh-2:0 18px 40px -18px rgba(58,33,112,.28);
  --sh-hover:0 22px 48px -20px rgba(58,33,112,.38);
  --hard:8px 8px 0 rgba(28,18,51,.10);
  --hard-sm:4px 4px 0 rgba(28,18,51,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--accent-lime);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.section-title{font-size:32px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section-sub{color:var(--text-2);font-size:15px;max-width:640px;margin-top:10px}
.tag-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-600);background:#fff;border:1px solid var(--line);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;
}
.tag-label::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-lime)}
.text-link{color:var(--brand-600);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap .22s ease,color .22s ease}
.text-link:hover{gap:10px;color:var(--brand-500)}

/* ==== header ==== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 20px -14px rgba(28,18,51,.20)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:var(--grad-brand);display:grid;place-items:center;color:#fff}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:68px;padding:0 14px;font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::before{
  content:"";position:absolute;left:4px;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:50%;background:var(--accent-lime);
}
.nav-link.active{color:var(--brand-600);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F4F0FC;border:1px solid transparent;border-radius:var(--r-pill);
  padding:0 16px;height:42px;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex:0 0 16px}
.search-box input{width:160px;border:0;background:transparent;outline:none;font-size:14px}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 4px rgba(75,42,168,.12)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:2px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px -14px rgba(58,33,112,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(58,33,112,.7)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-900);border-color:var(--line-strong);box-shadow:var(--hard-sm)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:6px 6px 0 rgba(28,18,51,.16)}
.btn-ghost:active{transform:translateY(0);box-shadow:2px 2px 0 rgba(28,18,51,.16)}
.btn-ondark{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ondark:hover{transform:translateY(-2px);background:rgba(255,255,255,.18)}
.btn-block{width:100%}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:0;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  padding:16px 24px 24px;transform:translateY(-102%);transition:transform .28s ease;
  box-shadow:0 24px 48px -24px rgba(28,18,51,.3);
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:52px;margin-bottom:8px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:18px;color:var(--text-2)}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:15px;font-weight:600;color:var(--text-1);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand-600)}
.drawer-foot{margin-top:18px;display:grid;gap:12px}
.drawer-foot .search-box{height:46px;background:var(--bg-alt)}
.drawer-foot .search-box input{width:100%}

/* ==== hero ==== */
.hero{padding:36px 0 0}
.hero-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:2px solid var(--line-strong);
  background-color:var(--brand-900);
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  box-shadow:10px 10px 0 rgba(28,18,51,.12);
  padding:56px;
  display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;
  min-height:540px;
}
.hero-panel::before{content:"";position:absolute;inset:0;background:var(--grad-cover);opacity:.74}
.hero-panel::after{
  content:"";position:absolute;top:-140px;right:-100px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.22),rgba(198,240,74,0) 70%);
}
.hero-content,.hero-visual{position:relative;z-index:2}
.hero-content{color:#fff}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent-lime);display:block}
.hero h1{font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.015em}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.86);margin-top:18px;max-width:520px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
}
.badge svg{width:14px;height:14px;flex:0 0 14px}
.badge b{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
.badge-lime{background:var(--grad-lime);color:var(--brand-900)}
.badge-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{display:grid;gap:16px}
.stack-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:2px solid rgba(255,255,255,.55);box-shadow:0 24px 44px -22px rgba(0,0,0,.55);
  background:var(--grad-cover);
}
.stack-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.92}
.stack-card figcaption{
  position:absolute;left:18px;bottom:14px;right:18px;color:#fff;font-size:15px;font-weight:700;
  text-shadow:0 2px 10px rgba(0,0,0,.5);
}
.stack-card.s1{transform:rotate(-1.6deg)}
.stack-card.s2{transform:rotate(1.2deg);margin-left:28px}
.stack-card.s3{transform:rotate(-.6deg);margin-left:12px}
.hero-strip{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;
  color:var(--text-2);font-size:13px;
}
.hero-strip span{display:inline-flex;align-items:center;gap:8px}
.hero-strip span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ==== 合集目录 ==== */
.cover-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cover-card{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  border:2px solid var(--line-strong);box-shadow:var(--hard);
  background:var(--brand-900);transition:transform .22s ease,box-shadow .22s ease;
}
.cover-card:hover{transform:translateY(-2px);box-shadow:12px 12px 0 rgba(28,18,51,.14)}
.cover-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:filter .22s ease}
.cover-card:hover img{filter:brightness(1.03)}
.cover-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,18,51,.05) 0%,rgba(28,18,51,.80) 100%)}
.cover-count{
  position:absolute;left:18px;top:18px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  background:var(--grad-lime);color:var(--brand-900);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.cover-title{
  position:absolute;left:22px;right:80px;bottom:20px;z-index:2;
  color:#fff;font-size:20px;font-weight:800;line-height:1.35;letter-spacing:-.01em;
}
.cover-arrow{
  position:absolute;right:20px;bottom:20px;z-index:2;
  width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.5);display:grid;place-items:center;color:#fff;
  transition:transform .22s ease,background .22s ease;
}
.cover-arrow svg{width:16px;height:16px}
.cover-card:hover .cover-arrow{transform:translateX(2px);background:rgba(255,255,255,.28)}

/* ==== 精选条目 ==== */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.filter-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  font-size:14px;font-weight:600;transition:all .22s ease;
}
.filter-chip:hover{color:var(--brand-600);border-color:var(--brand-500)}
.filter-chip.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.entry-card{
  position:relative;display:flex;gap:18px;padding:18px;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .22s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DFD6F5}
.entry-card:hover::before{opacity:1}
.entry-thumb{flex:0 0 160px;width:160px;border-radius:var(--r-md);overflow:hidden;background:var(--grad-cover)}
.entry-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.entry-body{display:flex;flex-direction:column;min-width:0;flex:1}
.entry-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-card:hover .entry-title{color:var(--brand-600)}
.entry-desc{
  margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:12px;font-size:13px;color:var(--text-3)}
.chip{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-sm);
  background:var(--bg-alt);color:var(--brand-600);font-size:12px;font-weight:600;
  transition:background .22s ease,color .22s ease;
}
.entry-card:hover .chip, .chip:hover{background:var(--brand-600);color:#fff}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}
.entry-card.is-hidden{display:none}

/* ==== CMS 最新信息 ==== */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DFD6F5}
.news-title{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--brand-600)}
.news-desc{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.empty-state{
  padding:48px 24px;text-align:center;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{width:72px;height:72px;color:var(--brand-500);opacity:.7}
.empty-state p{font-size:14px;color:var(--text-2)}

/* ==== 数据统计 ==== */
.stats-panel{
  background:var(--brand-900);color:#fff;border-radius:var(--r-xl);
  padding:52px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  border:2px solid var(--brand-800);position:relative;overflow:hidden;
}
.stats-panel::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.16),rgba(198,240,74,0) 70%);
}
.stat{position:relative;z-index:2}
.stat-num{font-size:40px;font-weight:800;line-height:1.1;color:var(--accent-lime);font-variant-numeric:tabular-nums}
.stat-name{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}

/* ==== 留言反馈 ==== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;display:flex;flex-direction:column;gap:14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-1)}
.review-quote{font-size:15px;color:var(--text-2);line-height:1.85}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:800;
}
.review-name{font-size:14px;font-weight:700}
.review-role{font-size:12.5px;color:var(--text-3)}

/* ==== FAQ ==== */
.faq-wrap{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:background .22s ease,border-color .22s ease;
}
.faq-item.open{background:var(--bg-alt);border-color:#DCD2F4}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--text-1);
  transition:color .22s ease;
}
.faq-item.open .faq-q{color:var(--brand-600)}
.faq-q i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand-600);font-style:normal;font-size:15px;line-height:1;
  transition:transform .22s ease;
}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{
  padding:0 24px 22px 24px;font-size:15px;color:var(--text-2);line-height:1.9;
  border-left:3px solid var(--accent-lime);margin-left:24px;padding-left:18px;
}

/* ==== CTA ==== */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);border:2px solid var(--line-strong);
  background-color:var(--brand-900);
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:60px 56px;color:#fff;box-shadow:10px 10px 0 rgba(28,18,51,.12);
}
.cta-panel::before{content:"";position:absolute;inset:0;background:var(--grad-cover);opacity:.82}
.cta-inner{position:relative;z-index:2;max-width:640px}
.cta-panel h2{font-size:32px;font-weight:800;line-height:1.3}
.cta-panel p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.85)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.share-row{display:flex;align-items:center;gap:12px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.75)}
.share-row a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.4);color:#fff;transition:background .22s ease,transform .22s ease;
}
.share-row a svg{width:16px;height:16px}
.share-row a:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* ==== footer ==== */
.site-footer{position:relative;background:var(--brand-900);color:#C9C2E0;margin-top:96px}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad-brand)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{width:30px;height:30px;flex:0 0 30px}
.footer-brand span{color:#fff;font-size:15px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.9;color:#C9C2E0;max-width:340px}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:#C9C2E0;transition:color .22s ease}
.footer-links a:hover{color:var(--accent-lime)}
.footer-contact li{font-size:14px;margin-bottom:12px;color:#C9C2E0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#9F97BC;
}

/* ==== responsive ==== */
@media (max-width:1180px){
  .search-box input{width:120px}
  .nav-link{padding:0 10px;font-size:14px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-panel{grid-template-columns:1fr;gap:32px;padding:44px;min-height:0}
  .hero h1{font-size:36px}
  .cover-grid{grid-template-columns:repeat(2,1fr)}
  .entry-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .stats-panel{grid-template-columns:repeat(2,1fr);padding:40px}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:960px){
  .main-nav,.header-actions .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-drawer{display:block}
  .header-inner{height:60px}
  .logo-text{font-size:15px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .hero{padding:20px 0 0}
  .hero-panel{padding:28px 20px 44px;border-radius:var(--r-lg);box-shadow:6px 6px 0 rgba(28,18,51,.12)}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .stack-card.s2,.stack-card.s3{margin-left:0}
  .badge-row{margin:20px 0 24px}
  .cover-grid{grid-template-columns:1fr}
  .cover-title{font-size:18px}
  .entry-card{flex-direction:column}
  .entry-thumb{flex:0 0 auto;width:100%}
  .entry-thumb img{aspect-ratio:16/9}
  .stats-panel{grid-template-columns:1fr 1fr;padding:32px 24px;gap:22px}
  .stat-num{font-size:30px}
  .cta-panel{padding:36px 24px;border-radius:var(--r-lg)}
  .cta-panel h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .faq-q{font-size:16px;padding:18px}
  .faq-a-inner{margin-left:16px;padding:0 18px 20px 14px}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  .badge{font-size:11.5px;padding:6px 12px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .review-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --brand-900:#1C1233;
  --brand-700:#3A2170;
  --brand-600:#4B2AA8;
  --brand-500:#6D3EDB;
  --accent-lime:#C6F04A;
  --accent-coral:#FF6B4A;
  --accent-amber:#FFB020;
  --bg:#FAF7FF;
  --bg-alt:#F2EDFB;
  --card:#FFFFFF;
  --line:#E8E1F6;
  --text-1:#1F1830;
  --text-2:#5A5273;
  --text-3:#8C86A0;
  --grad-brand:linear-gradient(120deg,#4B2AA8 0%,#7C3AED 45%,#FF6B4A 100%);
  --grad-cover:linear-gradient(135deg,#2B1755 0%,#5B2ED6 62%,#FF6B4A 100%);
  --grad-lime:linear-gradient(120deg,#C6F04A 0%,#7CE0A0 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,51,.04),0 6px 20px -8px rgba(28,18,51,.10);
  --sh-2:0 18px 40px -18px rgba(58,33,112,.28);
  --sh-hover:0 22px 48px -20px rgba(58,33,112,.38);
  --ease:.22s ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--brand-500);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent-lime);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent-lime);color:var(--brand-900);}

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

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 20px -14px rgba(28,18,51,.20);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  color:var(--text-1);
  flex-shrink:0;
}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.logo-mark svg{width:19px;height:19px;}
.brand-text{
  font-size:16px;font-weight:800;letter-spacing:-.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:14px;
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;
  font-size:15px;font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-sm);
  transition:color var(--ease),background-color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand-600);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--accent-lime);
  opacity:0;transition:opacity var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:var(--bg-alt);}
.nav-link:hover::before{opacity:1;}
.nav-link.active{color:var(--brand-600);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{
  display:flex;align-items:center;gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F4F0FC;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:0 14px;
  height:42px;
  min-width:210px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(75,42,168,.12);
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex:0 0 16px;}
.search-box input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text-1);width:100%;font-family:inherit;
}
.search-box input::placeholder{color:var(--text-3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),opacity var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(75,42,168,.75);
}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03);}
.btn-ghost{
  background:#fff;color:var(--brand-600);
  border:1px solid var(--line);
}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-lime{
  background:var(--grad-lime);color:var(--brand-900);
  box-shadow:0 10px 24px -16px rgba(124,224,160,.9);
}
.btn-lime:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.menu-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:var(--text-1);
}
.menu-toggle svg{width:20px;height:20px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:14px 0;
  font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .current{color:var(--brand-600);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;
  margin:28px 0 0;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:var(--grad-cover);
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(43,23,85,.90) 0%,rgba(91,46,214,.80) 58%,rgba(255,107,74,.72) 100%);
}
.article-hero::after{
  content:"";
  position:absolute;top:-90px;right:-70px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.22) 0%,rgba(198,240,74,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  padding:56px 48px 48px;
  max-width:900px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:rgba(198,240,74,.16);
  border:1px solid rgba(198,240,74,.5);
  color:var(--accent-lime);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  margin-bottom:18px;
}
.hero-tag svg{width:13px;height:13px;}
.article-hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.2;
  font-weight:800;
  margin-bottom:16px;
  text-wrap:balance;
}
.hero-sub{
  color:rgba(255,255,255,.86);
  font-size:16px;
  line-height:1.8;
  max-width:720px;
}
.meta-row{
  position:relative;z-index:2;
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  padding:0 48px 34px;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;font-weight:500;
}
.meta-chip.badge-lime{
  background:var(--grad-lime);
  border-color:transparent;
  color:var(--brand-900);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.meta-chip svg{width:13px;height:13px;}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:start;
  padding:56px 0 0;
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:36px 40px 40px;
}
.prose{font-size:16px;line-height:1.9;color:var(--text-1);}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 1.2em;color:#2A2340;}
.prose h2{
  font-size:24px;margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--brand-600);
  line-height:1.35;
}
.prose h3{font-size:19px;margin:32px 0 12px;color:var(--brand-700);}
.prose h4{font-size:18px;margin:24px 0 10px;}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:4px;}
.prose ul li{position:relative;padding-left:20px;margin-bottom:8px;color:#2A2340;}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:50%;
  background:var(--grad-lime);
  box-shadow:0 0 0 3px rgba(198,240,74,.20);
}
.prose ol{counter-reset:item;padding-left:0;}
.prose ol li{
  position:relative;padding-left:30px;margin-bottom:10px;
  counter-increment:item;color:#2A2340;
}
.prose ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.36em;
  width:20px;height:20px;border-radius:6px;
  background:var(--bg-alt);color:var(--brand-600);
  font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:0 0 1.4em;
  padding:16px 20px;
  background:var(--bg-alt);
  border-left:4px solid var(--brand-600);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:15px;
}
.prose img{border-radius:var(--r-md);box-shadow:var(--sh-1);margin:8px 0 1.4em;}
.prose figure{margin:0 0 1.4em;}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.prose table{
  width:100%;border-collapse:collapse;margin:0 0 1.5em;
  font-size:14px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.prose thead th{background:var(--bg-alt);color:var(--brand-700);font-weight:700;}
.prose th,.prose td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
.prose tbody tr:nth-child(even){background:#FBFAFF;}
.prose a{border-bottom:1px solid rgba(75,42,168,.35);}
.prose strong{color:var(--brand-700);}
.prose code{
  background:var(--bg-alt);color:var(--brand-700);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.prose hr{border:0;border-top:1px dashed var(--line);margin:32px 0;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:48px 16px;text-align:center;
}
.empty-state svg{width:88px;height:88px;color:var(--text-3);opacity:.7;}
.empty-state p{font-size:14px;color:var(--text-2);}
.empty-state .btn{margin-top:6px;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:22px;
  margin-bottom:22px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:800;color:var(--text-1);
  margin-bottom:14px;
}
.side-title::before{
  content:"";width:6px;height:16px;border-radius:3px;background:var(--grad-brand);
}
.anchor-list li{margin-bottom:6px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;
  border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);
  border:1px solid transparent;
}
.anchor-list a:hover{
  background:var(--bg-alt);color:var(--brand-600);
  border-color:var(--line);
}
.anchor-list .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent-lime);flex:0 0 6px;
}
.hot-list li+li{border-top:1px dashed var(--line);}
.hot-list a{
  display:block;padding:11px 0;
  font-size:14px;color:var(--text-1);line-height:1.6;
}
.hot-list a:hover{color:var(--brand-600);}
.hot-list .hot-meta{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}
.side-actions{display:flex;flex-direction:column;gap:10px;}
.side-actions .btn{width:100%;}
.share-icons{display:flex;gap:10px;margin-top:14px;}
.share-icons button{
  width:38px;height:38px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.share-icons button:hover{background:var(--grad-brand);color:#fff;transform:translateY(-1px);}
.share-icons svg{width:17px;height:17px;}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;
}
.section-head h2{font-size:28px;}
.section-head .section-desc{font-size:14px;color:var(--text-2);margin-top:8px;max-width:640px;}
.link-more{
  font-size:14px;font-weight:600;color:var(--brand-600);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.link-more:hover{gap:9px;}

/* ---------- 相关推荐 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.entry-card{
  position:relative;
  display:flex;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:16px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--grad-brand);
  opacity:0;transition:opacity var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DCD2F5;}
.entry-card:hover::before{opacity:1;}
.entry-cover{
  flex:0 0 140px;width:140px;aspect-ratio:4/3;
  border-radius:var(--r-sm);overflow:hidden;
  background-image:var(--grad-cover);background-size:cover;background-position:center;
}
.entry-cover img{width:100%;height:100%;object-fit:cover;}
.entry-body{min-width:0;display:flex;flex-direction:column;}
.entry-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.entry-card:hover .entry-title{color:var(--brand-600);}
.entry-abs{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.entry-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.chip{
  display:inline-block;
  padding:4px 10px;
  border-radius:var(--r-sm);
  background:var(--bg-alt);
  color:var(--brand-600);
  font-size:12px;font-weight:500;
  letter-spacing:.02em;
  transition:background-color var(--ease),color var(--ease);
}
.chip:hover{background:var(--brand-600);color:#fff;}

/* ---------- 分享条 ---------- */
.share-bar{
  margin-top:40px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  flex-wrap:wrap;
  padding:18px 22px;
  background:var(--bg-alt);
  border:1px dashed #D9CDF4;
  border-radius:var(--r-md);
}
.share-bar p{font-size:14px;color:var(--text-2);}
.share-bar .bar-actions{display:flex;align-items:center;gap:10px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#DCD2F5;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:16px;font-weight:700;color:var(--text-1);
  text-align:left;
}
.faq-q .q-mark{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:var(--bg-alt);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.faq-item.open .faq-q{color:var(--brand-600);}
.faq-item.open .q-mark{background:var(--grad-lime);color:var(--brand-900);transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
  background:var(--bg-alt);
}
.faq-a-inner{
  padding:0 22px 20px 22px;
  font-size:14.5px;color:var(--text-2);line-height:1.9;
  border-left:3px solid var(--accent-lime);
  margin-left:22px;padding-left:18px;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  margin-top:72px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:var(--grad-cover);
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(43,23,85,.92) 0%,rgba(91,46,214,.82) 55%,rgba(255,107,74,.74) 100%);
}
.cta-inner{
  position:relative;z-index:2;
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.85);font-size:15px;max-width:560px;}
.cta-buttons{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.btn-outline-light{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}

/* ---------- 返回 ---------- */
.back-row{
  display:flex;align-items:center;justify-content:center;gap:14px;
  flex-wrap:wrap;
  padding:44px 0 0;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:var(--brand-900);
  color:#C9C2E0;
  border-top:3px solid transparent;
  background-image:linear-gradient(var(--brand-900),var(--brand-900)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:64px 0 40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:800;color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo-mark{width:30px;height:30px;flex:0 0 30px;}
.footer-desc{font-size:14px;line-height:1.9;color:#B9B1D4;max-width:360px;}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-links li,.footer-contact li{margin-bottom:10px;}
.footer-links a,.footer-contact li{
  font-size:14px;color:#C9C2E0;line-height:1.7;
}
.footer-links a:hover{color:var(--accent-lime);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  font-size:13px;color:#9C94BC;
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,18,51,.5);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:#fff;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  padding:22px 20px 30px;
  transform:translateY(105%);
  transition:transform .3s ease;
  max-height:86vh;overflow-y:auto;
}
.drawer.open{transform:translateY(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;
}
.drawer-head strong{font-size:15px;color:var(--text-1);}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
}
.drawer-nav a{
  display:flex;align-items:center;
  height:48px;padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--text-2);
}
.drawer-nav a.active{color:var(--brand-600);background:var(--bg-alt);}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--brand-600);}
.drawer-extra{margin-top:18px;display:grid;gap:12px;}
.drawer-extra .search-box{min-width:0;width:100%;}
.drawer-extra .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-hero h1{font-size:38px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{height:62px;gap:12px;}
  .header-actions .btn-primary{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px;padding-top:44px;}
  .article-side{order:2;}
  .article-card{padding:28px 26px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 32px;}
  .section-head h2{font-size:24px;}
  .cta-inner{padding:42px 32px;}
  .cta-inner h2{font-size:25px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .brand-text{font-size:15px;}
  .logo-mark{width:30px;height:30px;flex:0 0 30px;}
  .article-hero{margin-top:18px;border-radius:var(--r-lg);}
  .hero-inner{padding:34px 22px 26px;}
  .article-hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .meta-row{padding:0 22px 26px;gap:9px;}
  .crumb .current{max-width:180px;}
  .article-card{padding:22px 18px 26px;border-radius:var(--r-md);}
  .prose h2{font-size:21px;margin-top:32px;}
  .prose h3{font-size:18px;}
  .section{padding:56px 0 0;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .entry-card{flex-direction:column;gap:12px;}
  .entry-cover{flex:none;width:100%;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding:44px 0 26px;}
  .footer-bottom{justify-content:flex-start;}
  .cta-panel{margin-top:56px;border-radius:var(--r-lg);}
  .cta-inner{padding:32px 22px;}
  .cta-inner h2{font-size:22px;}
  .cta-buttons{width:100%;}
  .cta-buttons .btn{width:100%;}
  .share-bar{flex-direction:column;align-items:flex-start;}
  .back-row{padding-top:34px;}
}
@media (max-width:480px){
  .article-hero h1{font-size:27px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .meta-chip{font-size:12px;padding:4px 10px;}
  .btn{height:42px;padding:0 18px;font-size:14px;}
  .faq-q{font-size:15px;padding:16px 16px;}
  .faq-a-inner{margin-left:16px;padding-left:14px;padding-right:16px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#1C1233;
  --brand-700:#3A2170;
  --brand-600:#4B2AA8;
  --brand-500:#6D3EDB;
  --accent-lime:#C6F04A;
  --accent-coral:#FF6B4A;
  --accent-amber:#FFB020;
  --bg:#F7F3EC;
  --bg-alt:#F2EDFB;
  --card:#FFFDF9;
  --line:#E2D9EF;
  --ink-line:#2A1F45;
  --text-1:#1F1830;
  --text-2:#5A5273;
  --text-3:#8C86A0;
  --grad-brand:linear-gradient(120deg,#4B2AA8 0%,#7C3AED 45%,#FF6B4A 100%);
  --grad-cover:linear-gradient(135deg,#2B1755 0%,#5B2ED6 62%,#FF6B4A 100%);
  --grad-lime:linear-gradient(120deg,#C6F04A 0%,#7CE0A0 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(28,18,51,.04),0 6px 20px -8px rgba(28,18,51,.10);
  --sh-2:0 18px 40px -18px rgba(58,33,112,.28);
  --sh-hard:5px 5px 0 rgba(42,31,69,.88);
  --sh-hard-sm:3px 3px 0 rgba(42,31,69,.85);
  --sh-hover:0 22px 48px -20px rgba(58,33,112,.38);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(75,42,168,.07) 1px,transparent 1px),radial-gradient(rgba(255,107,74,.05) 1px,transparent 1px);
  background-size:22px 22px,22px 22px;
  background-position:0 0,11px 11px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent-coral);}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:800;line-height:1.25;color:var(--text-1);}
:focus-visible{outline:3px solid var(--accent-lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ------- header ------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:#FFFFFF;
  border-bottom:2px solid var(--ink-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 20px -14px rgba(28,18,51,.20);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  flex:0 0 auto;
}
.brand:hover{color:var(--text-1);}
.logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  border:2px solid var(--ink-line);
  box-shadow:var(--sh-hard-sm);
}
.logo-mark svg{width:19px;height:19px;}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:-14px;
  height:2px;
  background:var(--brand-600);
  opacity:0;
  transition:opacity var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:var(--bg-alt);}
.nav-link.active{color:var(--brand-600);font-weight:700;}
.nav-link.active::after{opacity:1;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
}
.search-box svg{
  position:absolute;
  left:12px;
  width:16px;height:16px;
  color:var(--text-3);
  pointer-events:none;
}
.search-box input{
  width:210px;
  height:42px;
  padding:0 14px 0 36px;
  border-radius:var(--r-sm);
  border:2px solid var(--line);
  background:#F4F0FC;
  color:var(--text-1);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(75,42,168,.12);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:999px;
  border:2px solid var(--ink-line);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
  text-align:center;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--sh-hard-sm);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:5px 5px 0 rgba(42,31,69,.88);
}
.btn-ghost{
  background:#fff;
  color:var(--text-1);
  box-shadow:var(--sh-hard-sm);
}
.btn-ghost:hover{
  color:var(--brand-600);
  transform:translateY(-2px);
  box-shadow:5px 5px 0 rgba(42,31,69,.88);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:42px;
  border-radius:var(--r-sm);
  border:2px solid var(--ink-line);
  background:#fff;
  cursor:pointer;
  padding:0;
  box-shadow:var(--sh-hard-sm);
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  margin:4px auto;
  background:var(--ink-line);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-extra{display:none;}

/* ------- hero ------- */
.page-hero{
  position:relative;
  margin-top:26px;
  border:2px solid var(--ink-line);
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:var(--grad-cover);
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-hard);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(28,18,51,.92) 0%,rgba(43,23,85,.78) 46%,rgba(91,46,214,.72) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  top:-90px;right:-70px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.24) 0%,rgba(198,240,74,0) 68%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:56px 52px 52px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:#C9C2E0;
  margin-bottom:20px;
}
.breadcrumb a{color:#E4DEFA;}
.breadcrumb a:hover{color:var(--accent-lime);}
.breadcrumb .sep{color:rgba(201,194,224,.6);}
.breadcrumb .current{color:var(--accent-lime);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(198,240,74,.16);
  border:1px solid rgba(198,240,74,.5);
  color:var(--accent-lime);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.2;
  letter-spacing:.01em;
  max-width:15em;
}
.hero-sub{
  margin-top:18px;
  max-width:44em;
  font-size:17px;
  line-height:1.8;
  color:#DCD5F3;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  border:2px solid var(--ink-line);
}
.badge svg{width:14px;height:14px;}
.badge b{
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-right:2px;
}
.badge-lime{background:var(--grad-lime);color:#241640;}
.badge-white{background:rgba(255,255,255,.94);color:#241640;}
.badge-plain{background:var(--bg-alt);color:var(--brand-600);border-color:var(--line);}
.badge-plain b{color:var(--brand-700);}

/* ------- sections ------- */
.section{padding:72px 0 0;}
.section-head{max-width:52em;margin-bottom:32px;}
.section-head h2{font-size:32px;line-height:1.25;}
.section-head .lead{
  margin-top:14px;
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
}
.section-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:#fff;
  border:2px solid var(--ink-line);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--brand-600);
  margin-bottom:14px;
  box-shadow:var(--sh-hard-sm);
}
.intro-panel{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:28px;
  align-items:start;
}
.intro-card{
  background:var(--card);
  border:2px solid var(--ink-line);
  border-radius:var(--r-lg);
  padding:30px 32px;
  box-shadow:var(--sh-hard);
}
.intro-card p{color:var(--text-2);font-size:16px;}
.intro-card p + p{margin-top:14px;}
.intro-stats{
  display:grid;
  gap:16px;
}
.stat-card{
  background:var(--bg-alt);
  border:2px solid var(--ink-line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-hard-sm);
}
.stat-card span{display:block;font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.stat-card strong{
  display:block;
  margin-top:4px;
  font-size:26px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--brand-700);
}
.stat-card em{
  display:block;
  margin-top:2px;
  font-style:normal;
  font-size:13px;
  color:var(--text-2);
}

/* ------- cover grid ------- */
.cover-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.cover-card{
  position:relative;
  display:block;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:2px solid var(--ink-line);
  background-image:var(--grad-cover);
  aspect-ratio:16/9;
  box-shadow:var(--sh-hard);
  transition:transform var(--ease),box-shadow var(--ease);
}
.cover-card:hover{transform:translateY(-2px);box-shadow:8px 8px 0 rgba(42,31,69,.88);}
.cover-card img{
  width:100%;height:100%;
  object-fit:cover;
  transition:filter var(--ease);
}
.cover-card:hover img{filter:brightness(1.05);}
.cover-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(28,18,51,.90) 0%,rgba(28,18,51,.42) 46%,rgba(28,18,51,0) 78%);
}
.cover-count{
  position:absolute;
  top:14px;left:14px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--grad-lime);
  color:#241640;
  font-size:12px;
  font-weight:700;
  border:2px solid var(--ink-line);
  font-variant-numeric:tabular-nums;
}
.cover-body{
  position:absolute;
  left:20px;right:64px;bottom:18px;
  color:#fff;
}
.cover-body h3{
  color:#fff;
  font-size:20px;
  line-height:1.35;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cover-body p{
  margin-top:6px;
  font-size:13px;
  color:#D6CEEF;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cover-arrow{
  position:absolute;
  right:18px;bottom:18px;
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--ink-line);
  color:var(--brand-700);
  transition:transform var(--ease),background var(--ease);
}
.cover-arrow svg{width:16px;height:16px;transition:transform var(--ease);}
.cover-card:hover .cover-arrow{background:var(--accent-lime);}
.cover-card:hover .cover-arrow svg{transform:translateX(2px);}

/* ------- entry list ------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.entry-card{
  position:relative;
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  gap:20px;
  padding:18px;
  background:var(--card);
  border:2px solid var(--ink-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-hard-sm);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.entry-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:0;
  background:var(--grad-brand);
  transition:width var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hard);}
.entry-card:hover::before{width:4px;}
.entry-thumb{
  border-radius:var(--r-md);
  overflow:hidden;
  background-image:var(--grad-cover);
  aspect-ratio:4/3;
  border:2px solid var(--ink-line);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-main{display:flex;flex-direction:column;min-width:0;}
.entry-main h3{
  font-size:17px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-main h3 a{color:var(--text-1);}
.entry-main h3 a:hover{color:var(--brand-600);}
.entry-main .excerpt{
  margin-top:8px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:auto;
  padding-top:12px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:var(--r-sm);
  background:var(--bg-alt);
  color:var(--brand-600);
  font-size:12px;
  font-weight:600;
  border:1px solid var(--line);
  transition:background var(--ease),color var(--ease);
}
.chip:hover{background:var(--brand-600);color:#fff;border-color:var(--brand-600);}

/* ------- faq ------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);
  border:2px solid var(--ink-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow var(--ease);
}
.faq-item.open{box-shadow:var(--sh-hard-sm);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text-1);
  transition:color var(--ease),background var(--ease);
}
.faq-q:hover{color:var(--brand-600);background:var(--bg-alt);}
.faq-item.open .faq-q{color:var(--brand-600);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:2px solid var(--ink-line);
  background:#fff;
  font-size:15px;
  font-weight:800;
  line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.open .faq-icon{background:var(--accent-lime);transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  background:var(--bg-alt);
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 22px 20px 25px;
  border-left:4px solid var(--accent-lime);
  margin:0 0 0 0;
  font-size:15px;
  color:var(--text-2);
}

/* ------- link cards ------- */
.link-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.link-card{
  display:block;
  padding:24px;
  background:var(--card);
  border:2px solid var(--ink-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-hard-sm);
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hard);background:#fff;color:var(--text-1);}
.link-card .icon{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:var(--bg-alt);
  border:2px solid var(--ink-line);
  color:var(--brand-600);
  margin-bottom:14px;
}
.link-card .icon svg{width:18px;height:18px;}
.link-card h3{font-size:18px;color:var(--text-1);}
.link-card p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;}
.link-card .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
}

/* ------- CTA ------- */
.cta-panel{
  position:relative;
  margin-top:72px;
  border-radius:var(--r-xl);
  border:2px solid var(--ink-line);
  overflow:hidden;
  background-image:var(--grad-cover);
  box-shadow:var(--sh-hard);
}
.cta-panel::after{
  content:"";
  position:absolute;
  left:-60px;bottom:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.22) 0%,rgba(198,240,74,0) 70%);
}
.cta-inner{
  position:relative;
  z-index:2;
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:28px;line-height:1.3;}
.cta-inner p{margin-top:10px;color:#DCD5F3;font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.share-group{display:flex;align-items:center;gap:10px;}
.share-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  border:2px solid rgba(255,255,255,.42);
  color:#fff;
  cursor:pointer;
  transition:background var(--ease),transform var(--ease);
}
.share-btn:hover{background:rgba(198,240,74,.28);transform:translateY(-2px);}
.share-btn svg{width:16px;height:16px;}

/* ------- footer ------- */
.site-footer{
  margin-top:80px;
  background:var(--brand-900);
  border-top:3px solid transparent;
  border-image:var(--grad-brand) 1;
  color:#C9C2E0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:56px 0 36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:16px;
}
.footer-brand .logo-mark{width:34px;height:34px;box-shadow:none;}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#B7AFD2;
  max-width:30em;
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-links li + li,
.footer-contact li + li{margin-top:10px;}
.footer-links a,
.footer-contact li{
  font-size:14px;
  color:#C9C2E0;
  line-height:1.7;
}
.footer-links a:hover{color:var(--accent-lime);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(201,194,224,.18);
  font-size:13px;
  color:#9C93BC;
}

/* ------- responsive ------- */
@media (max-width:1023px){
  .header-inner{min-height:62px;}
  .search-box input{width:160px;}
  .intro-panel{grid-template-columns:1fr;}
  .intro-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .page-hero h1{font-size:36px;}
  .hero-inner{padding:44px 36px 40px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;
    left:0;right:0;top:0;
    z-index:90;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:84px 20px 26px;
    background:#fff;
    border-bottom:2px solid var(--ink-line);
    box-shadow:0 18px 40px -18px rgba(58,33,112,.28);
    transform:translateY(-110%);
    transition:transform .3s ease;
    max-height:100vh;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);}
  .nav-link{
    height:48px;
    padding:0 14px;
    border-radius:var(--r-sm);
    font-size:16px;
    justify-content:flex-start;
  }
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--bg-alt);}
  .nav-toggle{display:block;}
  .header-actions .search-box,
  .header-actions .btn{display:none;}
  .nav-extra{
    display:block;
    margin-top:20px;
    padding-top:20px;
    border-top:1px solid var(--line);
  }
  .nav-extra .search-box{margin-bottom:14px;}
  .nav-extra .search-box input{width:100%;height:46px;}
  .nav-extra .btn{width:100%;}
  .entry-grid{grid-template-columns:1fr;}
  .link-grid{grid-template-columns:1fr;}
  .cover-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .brand-text{font-size:15px;}
  .page-hero{margin-top:18px;border-radius:var(--r-lg);}
  .hero-inner{padding:32px 20px 30px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .section{padding:52px 0 0;}
  .section-head h2{font-size:24px;}
  .intro-card{padding:22px 20px;border-radius:var(--r-md);}
  .intro-stats{grid-template-columns:1fr;gap:12px;}
  .cover-body{left:16px;right:56px;bottom:14px;}
  .cover-body h3{font-size:18px;}
  .cover-arrow{width:34px;height:34px;right:14px;bottom:14px;}
  .entry-card{grid-template-columns:110px minmax(0,1fr);gap:14px;padding:14px;}
  .entry-thumb{aspect-ratio:1/1;}
  .entry-main h3{font-size:16px;}
  .cta-inner{padding:30px 22px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 28px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:28px;}
  .hero-badges{gap:8px;}
  .badge{padding:6px 12px;}
  .entry-card{grid-template-columns:1fr;}
  .entry-thumb{aspect-ratio:16/9;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --brand-900:#1C1233;
  --brand-700:#3A2170;
  --brand-600:#4B2AA8;
  --brand-500:#6D3EDB;
  --accent-lime:#C6F04A;
  --accent-coral:#FF6B4A;
  --accent-amber:#FFB020;
  --bg:#FAF7FF;
  --bg-alt:#F2EDFB;
  --card:#FFFFFF;
  --line:#E8E1F6;
  --text-1:#1F1830;
  --text-2:#5A5273;
  --text-3:#8C86A0;
  --grad-brand:linear-gradient(120deg,#4B2AA8 0%,#7C3AED 45%,#FF6B4A 100%);
  --grad-cover:linear-gradient(135deg,#2B1755 0%,#5B2ED6 62%,#FF6B4A 100%);
  --grad-lime:linear-gradient(120deg,#C6F04A 0%,#7CE0A0 100%);
  --r-xs:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,51,.04),0 6px 20px -8px rgba(28,18,51,.10);
  --sh-2:0 18px 40px -18px rgba(58,33,112,.28);
  --sh-hover:0 22px 48px -20px rgba(58,33,112,.38);
  --sh-hard:6px 6px 0 rgba(75,42,168,.09);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--text-1);}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .22s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#FFFFFF;border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:0 8px 20px -14px rgba(28,18,51,.20);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:800;font-size:17px;white-space:nowrap;}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;color:#FFFFFF;box-shadow:var(--sh-1);flex:0 0 auto;}
.logo-mark svg{width:19px;height:19px;}
.logo-text{letter-spacing:-.01em;}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 12px;font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;transition:color .22s ease;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;border-radius:2px;background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link::before{content:"";position:absolute;left:2px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--accent-lime);opacity:0;transform:translateY(-50%);transition:opacity .22s ease;}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::before{opacity:1;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-600);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border-radius:var(--r-pill);background:#F4F0FC;border:1px solid transparent;transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;}
.search-box:focus-within{background:#FFFFFF;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(75,42,168,.12);}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex:0 0 auto;}
.search-input{width:150px;border:0;background:transparent;font-family:inherit;font-size:14px;color:var(--text-1);outline:none;}
.search-input::placeholder{color:var(--text-3);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#FFFFFF;box-shadow:0 10px 24px -14px rgba(75,42,168,.85);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(75,42,168,.9);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#FFFFFF;color:var(--brand-700);border-color:var(--line);}
.btn-outline:hover{border-color:#CFC2EE;background:var(--bg-alt);transform:translateY(-1px);}
.btn-lime{background:var(--grad-lime);color:var(--brand-900);}
.btn-lime:hover{transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(60,120,60,.6);}
.btn-ghost{background:rgba(255,255,255,.12);color:#FFFFFF;border-color:rgba(255,255,255,.38);}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-1px);}
.btn-block{width:100%;}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#FFFFFF;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);}
.nav-toggle:hover{border-color:#CFC2EE;background:var(--bg-alt);}

.mobile-drawer{display:none;}
.mobile-drawer.open{display:block;border-top:1px solid var(--line);background:#FFFFFF;padding:10px 16px 20px;box-shadow:0 20px 30px -22px rgba(28,18,51,.35);}
.drawer-link{display:block;padding:14px 14px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--text-2);}
.drawer-link:hover{background:var(--bg-alt);color:var(--brand-600);}
.drawer-link.active{background:var(--bg-alt);color:var(--brand-600);font-weight:700;}
.drawer-search{margin:12px 0 10px;display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;border-radius:var(--r-pill);background:#F4F0FC;border:1px solid var(--line);}
.drawer-search input{width:100%;border:0;background:transparent;font-family:inherit;font-size:15px;outline:none;}

/* ---------- hero ---------- */
.page-hero{padding:40px 0 0;}
.page-hero-box{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-cover);box-shadow:var(--sh-2);padding:56px 48px;min-height:440px;display:flex;align-items:center;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.5;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(28,18,51,.88) 0%,rgba(58,33,112,.72) 52%,rgba(255,107,74,.42) 100%);}
.hero-glow{position:absolute;right:-60px;top:-90px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(198,240,74,.26),transparent 66%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:44px;align-items:center;width:100%;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(198,240,74,.16);border:1px solid rgba(198,240,74,.42);color:var(--accent-lime);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:20px;}
.hero-title{font-size:44px;line-height:1.2;color:#FFFFFF;margin:0 0 18px;letter-spacing:-.02em;}
.hero-sub{font-size:17px;line-height:1.8;color:#E6E0F6;margin:0 0 26px;max-width:520px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.02em;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#FFFFFF;}
.badge svg{width:14px;height:14px;color:var(--accent-lime);flex:0 0 auto;}
.badge .num{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-side{display:flex;justify-content:center;}
.hero-side img{width:100%;max-width:300px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:3px solid rgba(255,255,255,.9);box-shadow:0 24px 50px -22px rgba(10,6,25,.8);transform:rotate(-2deg);background:var(--grad-cover);}
.hero-side-cap{margin-top:14px;font-size:13px;color:#C9C2E0;text-align:center;}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-tight{padding:0 0 96px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:32px;margin:0 0 14px;}
.section-head p{font-size:16px;color:var(--text-2);}
.section-head.light h2{color:#FFFFFF;}
.section-head.light p{color:#C9C2E0;}

/* ---------- contrast panels ---------- */
.contrast-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.panel{border-radius:var(--r-lg);padding:30px;border:1px solid var(--line);box-shadow:var(--sh-hard);}
.panel-white{background:#FFFFFF;}
.panel-lilac{background:var(--bg-alt);border-color:#DED2F5;}
.panel-title{font-size:22px;margin:0 0 10px;}
.panel-note{margin:0 0 22px;font-size:14px;color:var(--text-2);}
.check-list{display:grid;gap:18px;margin-top:22px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-list .num{flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--brand-600);color:#FFFFFF;display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;}
.check-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px;}
.check-list p{font-size:14px;color:var(--text-2);line-height:1.8;}
.spec-list{margin-top:14px;}
.spec-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px dashed #DED2F5;}
.spec-row:last-child{border-bottom:0;}
.spec-row dt{font-size:14px;color:var(--text-2);flex:0 0 92px;}
.spec-row dd{margin:0;font-size:14px;font-weight:600;color:var(--brand-700);text-align:right;}

/* ---------- entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.entry-card{display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D3C4F1;}
.chip{align-self:flex-start;background:var(--bg-alt);color:var(--brand-600);border-radius:10px;padding:4px 10px;font-size:12px;font-weight:500;letter-spacing:.02em;transition:background .22s ease,color .22s ease;}
.entry-card:hover .chip{background:var(--brand-600);color:#FFFFFF;}
.entry-title{font-size:17px;line-height:1.5;margin:0;}
.entry-desc{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-meta{margin-top:auto;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* ---------- steps ---------- */
.steps-section{background:linear-gradient(140deg,#1C1233 0%,#2B1755 58%,#3A2170 100%);color:#FFFFFF;padding:88px 0;}
.steps-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step-item{background:rgba(255,255,255,.06);border:1px solid rgba(198,240,74,.24);border-radius:var(--r-lg);padding:26px 24px;transition:background .22s ease,transform .22s ease;}
.step-item:hover{background:rgba(198,240,74,.1);transform:translateY(-2px);}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--grad-lime);color:var(--brand-900);font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:18px;}
.step-item h3{font-size:18px;color:#FFFFFF;margin:0 0 8px;}
.step-item p{font-size:14px;color:#C9C2E0;line-height:1.85;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item.open{border-color:#D3C4F1;box-shadow:var(--sh-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;border:0;background:none;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);cursor:pointer;transition:color .22s ease;}
.faq-q:hover{color:var(--brand-600);}
.faq-item.open .faq-q{color:var(--brand-600);}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--bg-alt);color:var(--brand-600);display:grid;place-items:center;font-size:15px;font-weight:700;transition:transform .22s ease,background .22s ease,color .22s ease;}
.faq-item.open .faq-icon{background:var(--brand-600);color:#FFFFFF;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{margin:0 24px 22px;padding-left:18px;border-left:3px solid var(--accent-lime);font-size:14px;color:var(--text-2);line-height:1.9;}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{display:flex;flex-direction:column;gap:14px;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;color:inherit;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D3C4F1;color:inherit;}
.rel-ico{width:42px;height:42px;border-radius:12px;background:var(--bg-alt);display:grid;place-items:center;color:var(--brand-600);}
.rel-ico svg{width:20px;height:20px;}
.rel-card h3{font-size:18px;margin:0;}
.rel-card p{font-size:14px;color:var(--text-2);}
.rel-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);}
.rel-card:hover .rel-more{color:var(--accent-coral);}

/* ---------- cta ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-cover);color:#FFFFFF;padding:56px 48px;box-shadow:var(--sh-2);}
.cta-panel::after{content:"";position:absolute;right:-90px;bottom:-110px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(198,240,74,.26),transparent 66%);}
.cta-inner{position:relative;z-index:2;max-width:620px;}
.cta-inner h2{font-size:32px;color:#FFFFFF;margin:0 0 14px;}
.cta-inner p{font-size:16px;color:#E4DEF6;margin:0 0 28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.share-row{position:relative;z-index:2;margin-top:26px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#C9C2E0;}
.share-btn{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.1);display:grid;place-items:center;color:#FFFFFF;cursor:pointer;transition:background .22s ease,transform .22s ease;}
.share-btn:hover{background:rgba(198,240,74,.22);transform:translateY(-1px);}
.share-btn svg{width:16px;height:16px;}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--brand-900);color:#C9C2E0;margin-top:96px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#FFFFFF;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;color:#FFFFFF;flex:0 0 auto;}
.footer-brand .logo-mark svg{width:18px;height:18px;}
.footer-desc{font-size:14px;line-height:1.9;color:#A79FBF;max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:#FFFFFF;margin:0 0 18px;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:#C9C2E0;}
.footer-links a:hover{color:var(--accent-lime);}
.footer-contact{display:grid;gap:12px;font-size:14px;color:#A79FBF;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;color:#8C86A0;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .search-box{display:none;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .steps-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;gap:12px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-side{order:2;}
  .hero-side img{max-width:100%;transform:rotate(-1.5deg);}
  .contrast-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .steps-section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .page-hero{padding:20px 0 0;}
  .page-hero-box{padding:36px 22px;min-height:0;border-radius:var(--r-lg);}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .entry-grid{grid-template-columns:1fr;}
  .steps-strip{grid-template-columns:1fr;}
  .panel{padding:24px;}
  .panel-title{font-size:19px;}
  .spec-row{flex-direction:column;gap:4px;}
  .spec-row dd{text-align:left;}
  .cta-panel{padding:38px 24px;border-radius:var(--r-lg);}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a-inner{margin:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .hero-title{font-size:28px;}
  .badge{padding:6px 12px;}
  .logo-text{font-size:15px;}
  .entry-meta{flex-direction:column;gap:4px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#1C1233;
  --brand-700:#3A2170;
  --brand-600:#4B2AA8;
  --brand-500:#6D3EDB;
  --accent-lime:#C6F04A;
  --accent-coral:#FF6B4A;
  --accent-amber:#FFB020;
  --bg:#FAF7FF;
  --bg-alt:#F2EDFB;
  --card:#FFFFFF;
  --line:#E8E1F6;
  --text-1:#1F1830;
  --text-2:#5A5273;
  --text-3:#8C86A0;
  --grad-brand:linear-gradient(120deg,#4B2AA8 0%,#7C3AED 45%,#FF6B4A 100%);
  --grad-cover:linear-gradient(135deg,#2B1755 0%,#5B2ED6 62%,#FF6B4A 100%);
  --grad-lime:linear-gradient(120deg,#C6F04A 0%,#7CE0A0 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,51,.04),0 6px 20px -8px rgba(28,18,51,.10);
  --sh-2:0 18px 40px -18px rgba(58,33,112,.28);
  --sh-hover:0 22px 48px -20px rgba(58,33,112,.38);
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--brand-500);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 20px -14px rgba(28,18,51,.20)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 8px 18px -10px rgba(75,42,168,.75);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:16px;font-weight:800;color:var(--text-1);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%) scale(.4);
  width:5px;height:5px;border-radius:50%;background:var(--accent-lime);
  opacity:0;transition:opacity var(--ease),transform var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:var(--bg-alt)}
.nav-link:hover::before{opacity:1;transform:translateY(-50%) scale(1)}
.nav-link.active{color:var(--brand-600);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-15px;
  height:2px;border-radius:2px;background:var(--brand-600);
}
.nav-link.active::before{opacity:0}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 16px;min-width:210px;
  background:#F4F0FC;border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search svg{width:16px;height:16px;color:var(--text-3);flex:none}
.search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text-1);
}
.search input::placeholder{color:var(--text-3)}
.search:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(75,42,168,.12)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--bg-alt);border:1px solid var(--line);
  place-items:center;color:var(--brand-700);
}
.nav-toggle svg{width:20px;height:20px}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:80;
  background:#fff;padding:18px 16px 26px;
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 48px -20px rgba(28,18,51,.35);
  transform:translateY(-105%);
  transition:transform .28s ease;
}
.mobile-drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-head .logo-text{font-size:15px}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--bg-alt);display:grid;place-items:center;color:var(--brand-700)}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:grid;gap:4px;margin-bottom:16px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:14px;font-size:15px;font-weight:600;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--brand-600)}
.drawer-nav a.active{background:var(--bg-alt);color:var(--brand-600)}
.drawer-foot{display:grid;gap:12px}
.drawer-search{min-width:0;width:100%}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-hover);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bg-alt);color:var(--brand-600);
  border-radius:var(--r-sm);padding:4px 10px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  transition:background var(--ease),color var(--ease);
}
.chip:hover{background:var(--brand-600);color:#fff}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--brand-900);
  white-space:nowrap;
}
.badge svg{width:14px;height:14px;flex:none}
.badge b{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
.badge--lime{background:var(--grad-lime)}
.badge--outline{background:rgba(255,255,255,.94);border:1px solid var(--accent-lime)}
.badge--soft{background:var(--bg-alt);border:1px solid var(--line)}

/* ============ 首屏 ============ */
.hero{padding:28px 0 0}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:60px 56px;
  color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  background-color:var(--brand-900);
  box-shadow:var(--sh-2);
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:var(--grad-cover);opacity:.78;
}
.hero-card::after{
  content:"";position:absolute;width:460px;height:460px;right:-110px;top:-160px;
  background:radial-gradient(circle,rgba(198,240,74,.30),transparent 62%);
}
.hero-inner{position:relative;z-index:2;max-width:780px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.74);margin-bottom:20px;
}
.breadcrumb a{transition:color var(--ease)}
.breadcrumb a:hover{color:var(--accent-lime)}
.breadcrumb .sep{color:rgba(255,255,255,.42)}
.hero h1{font-size:44px;font-weight:800;letter-spacing:.01em}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.88);max-width:660px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:72px 0}
.section-head{margin-bottom:40px;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);margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad-brand)}
.sec-title{font-size:32px}
.sec-desc{margin-top:14px;font-size:15px;color:var(--text-2);max-width:680px}
.section-head--row{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);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  transition:gap var(--ease),color var(--ease);
}
.text-link:hover{color:var(--accent-coral);gap:10px}
.text-link svg{width:14px;height:14px}

/* ============ 简介 ============ */
.intro-grid{
  display:grid;grid-template-columns:1.1fr .9fr;
  gap:44px;align-items:center;
}
.intro-body p{color:var(--text-2);font-size:16px}
.intro-body p + p{margin-top:18px}
.intro-points{margin-top:26px;display:grid;gap:12px}
.intro-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-2);
}
.intro-points li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:11px;
  border-radius:2px;background:var(--brand-600);
}
.intro-figure{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  aspect-ratio:3/2;
  background:var(--grad-cover);
  box-shadow:var(--sh-2);
}
.intro-figure img{width:100%;height:100%;object-fit:cover}
.intro-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 20px 14px;
  font-size:13px;color:rgba(255,255,255,.9);
  background:linear-gradient(180deg,transparent,rgba(28,18,51,.82));
}

/* ============ 时间轴布局 ============ */
.tl-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:start}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:7px;top:12px;bottom:12px;width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand-500) 0%,rgba(198,240,74,.85) 100%);
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:22px;
  width:16px;height:16px;border-radius:50%;
  background:var(--accent-lime);
  box-shadow:0 0 0 5px rgba(198,240,74,.20);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DED4F6}
.tl-card h3{font-size:18px;margin-bottom:10px}
.tl-card p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tl-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);
}
.tl-date{font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px}
.tl-date svg{width:14px;height:14px;color:var(--brand-500)}

/* 侧栏 */
.tl-aside{display:grid;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:16px}
.side-badges{display:grid;gap:12px}
.side-badges .badge{justify-content:space-between;width:100%;padding:12px 16px}
.side-note{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.75}
.side-list{display:grid;gap:12px}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;color:var(--text-2);
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-700)}

/* ============ 品类索引 ============ */
.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.index-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.index-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DED4F6}
.index-icon{
  flex:none;width:46px;height:46px;border-radius:14px;
  background:var(--bg-alt);color:var(--brand-600);
  display:grid;place-items:center;
}
.index-icon svg{width:22px;height:22px}
.index-card h3{font-size:17px;margin-bottom:6px}
.index-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.index-count{
  display:inline-block;margin-top:10px;font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#DED4F6}
.faq-item[open]{box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item[open] summary{color:var(--brand-600)}
.faq-mark{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--bg-alt);color:var(--brand-600);
  display:grid;place-items:center;transition:transform var(--ease),background var(--ease);
}
.faq-mark svg{width:14px;height:14px}
.faq-item[open] .faq-mark{transform:rotate(180deg);background:var(--grad-lime);color:var(--brand-900)}
.faq-body{
  padding:18px 24px 24px;
  font-size:15px;color:var(--text-2);
  background:var(--bg-alt);
  border-left:3px solid var(--accent-lime);
}

/* ============ 关联分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DED4F6}
.rel-card h3{font-size:19px;margin-bottom:10px}
.rel-card p{font-size:14px;color:var(--text-2);min-height:52px}
.rel-foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);padding:60px 48px;
  text-align:center;color:#fff;
  background-color:var(--brand-900);
  background-image:linear-gradient(rgba(28,18,51,.78),rgba(28,18,51,.82)),url('/assets/images/coverpic/cover-4.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.cta-panel::after{
  content:"";position:absolute;left:50%;top:-190px;transform:translateX(-50%);
  width:520px;height:380px;
  background:radial-gradient(circle,rgba(198,240,74,.20),transparent 66%);
}
.cta-panel > *{position:relative;z-index:2}
.cta-panel h2{font-size:32px}
.cta-panel p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.86)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.share-row{display:flex;gap:12px;justify-content:center;margin-top:26px}
.share-btn{
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;
  display:grid;place-items:center;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.share-btn svg{width:18px;height:18px}
.share-btn:hover{background:var(--accent-lime);color:var(--brand-900);transform:translateY(-1px)}
.copy-tip{
  margin-top:14px;font-size:13px;color:var(--accent-lime);
  min-height:20px;font-variant-numeric:tabular-nums;
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:24px;
  background:var(--brand-900);color:#C9C2E0;
  padding:72px 0 30px;
  border-top:3px solid transparent;
  background-image:var(--grad-brand);
  background-size:100% 3px;
  background-repeat:no-repeat;
  background-position:top;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:11px;box-shadow:none}
.footer-desc{font-size:14px;color:#A9A1C4;line-height:1.85}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:#C9C2E0;transition:color var(--ease),padding-left var(--ease)}
.footer-links a:hover{color:var(--accent-lime);padding-left:4px}
.footer-contact{display:grid;gap:12px;font-size:14px;color:#A9A1C4;line-height:1.75}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8C86A0;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-card{padding:56px 44px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .tl-layout{grid-template-columns:1fr;gap:36px}
  .tl-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .index-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:960px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .search{display:none}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .header-inner{height:60px}
  .logo-text{font-size:14px;max-width:190px;overflow:hidden;text-overflow:ellipsis}
  .hero{padding:18px 0 0}
  .hero-card{padding:36px 24px;border-radius:var(--r-lg)}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .sec-title{font-size:24px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:14px}
  .index-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .tl-aside{grid-template-columns:1fr}
  .timeline{padding-left:26px}
  .timeline::before{left:5px}
  .tl-item::before{left:-26px;width:14px;height:14px}
  .tl-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-panel{padding:42px 22px;border-radius:var(--r-lg)}
  .cta-panel h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 26px}
  .side-card{padding:22px}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  .hero-badges{gap:8px}
  .badge{font-size:11px;padding:6px 10px}
  .badge b{font-size:14px}
  .rel-card{padding:22px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:16px 18px 20px}
}

/* roulang page: category4 */
:root{
  --brand-900:#1C1233;
  --brand-700:#3A2170;
  --brand-600:#4B2AA8;
  --brand-500:#6D3EDB;
  --accent-lime:#C6F04A;
  --accent-coral:#FF6B4A;
  --accent-amber:#FFB020;
  --bg:#FAF7FF;
  --bg-alt:#F2EDFB;
  --card:#FFFFFF;
  --line:#E8E1F6;
  --text-1:#1F1830;
  --text-2:#5A5273;
  --text-3:#8C86A0;
  --grad-brand:linear-gradient(120deg,#4B2AA8 0%,#7C3AED 45%,#FF6B4A 100%);
  --grad-cover:linear-gradient(135deg,#2B1755 0%,#5B2ED6 62%,#FF6B4A 100%);
  --grad-lime:linear-gradient(120deg,#C6F04A 0%,#7CE0A0 100%);
  --r-xs:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,51,.04),0 6px 20px -8px rgba(28,18,51,.10);
  --sh-2:0 18px 40px -18px rgba(58,33,112,.28);
  --sh-hover:0 22px 48px -20px rgba(58,33,112,.38);
  --ease:.22s ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 20px -14px rgba(28,18,51,.20);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:var(--r-pill);
  background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 18px -10px rgba(75,42,168,.75);
}
.logo-mark svg{width:18px;height:18px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;color:var(--brand-900);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  font-size:15px;font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-xs);
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-600);background:var(--bg-alt);}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand-600);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover::after{transform:scaleX(.36);}
.nav-link.active{color:var(--brand-600);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.search-form{display:flex;align-items:center;background:#F4F0FC;border-radius:var(--r-pill);padding:4px 6px 4px 16px;border:1px solid transparent;transition:border-color var(--ease),box-shadow var(--ease);}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(75,42,168,.12);background:#fff;}
.search-input{width:150px;border:0;background:transparent;outline:none;font-size:14px;color:var(--text-1);}
.search-input::placeholder{color:var(--text-3);}
.search-btn{
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;
  background:var(--brand-600);color:#fff;transition:background var(--ease),transform var(--ease);
}
.search-btn:hover{background:var(--brand-500);}
.search-btn:active{transform:translateY(1px);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;font-size:15px;
  padding:12px 24px;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  cursor:pointer;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -14px rgba(75,42,168,.85);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--line);box-shadow:var(--sh-1);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-wide{width:100%;}

.menu-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-xs);
  border:1px solid var(--line);background:#fff;
  place-items:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-2);
  transform:translateY(-102%);
  transition:transform .28s ease;
  padding:18px 0 24px;
}
.drawer.is-open{transform:translateY(0);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav .nav-link{height:48px;display:flex;align-items:center;padding:0 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
.drawer-nav .nav-link::after{display:none;}
.drawer-nav .nav-link.active{color:var(--brand-600);}
.drawer-foot{margin-top:18px;display:grid;gap:12px;}

/* ---------- Hero ---------- */
.hero{margin-top:28px;}
.hero-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--grad-cover);
  min-height:460px;
  display:flex;
  align-items:center;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(28,18,51,.90) 0%,rgba(58,33,112,.72) 52%,rgba(255,107,74,.38) 100%);
}
.hero-glow{
  position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.20) 0%,rgba(198,240,74,0) 68%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0;}
.hero-content{max-width:660px;color:#fff;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  font-size:12px;letter-spacing:.02em;font-weight:600;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent-lime);display:inline-block;}
.hero-title{font-size:44px;line-height:1.2;margin:20px 0 0;font-weight:800;letter-spacing:-.01em;}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.86);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.42);box-shadow:none;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff;}
.hero-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- Stat band ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:34px;
}
.stat-card{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-md);
  padding:16px 18px;
  backdrop-filter:blur(2px);
}
.stat-num{display:block;font-size:26px;font-weight:800;line-height:1.2;color:var(--accent-lime);}
.stat-label{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- Sections ---------- */
.section{padding:88px 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--grad-lime);color:var(--brand-900);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.section-title{font-size:32px;font-weight:800;margin-top:14px;color:var(--brand-900);}
.section-sub{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85;}
.intro-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 30px;box-shadow:var(--sh-1);
  border-left:4px solid var(--brand-600);
}
.intro-card p{font-size:16px;color:var(--text-2);line-height:1.9;}

/* ---------- Gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-cover);box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.g-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.g-item img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2;transition:filter var(--ease);}
.g-item:hover img{filter:brightness(1.04);}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px;
  color:#fff;font-size:15px;font-weight:700;
  background:linear-gradient(180deg,rgba(28,18,51,0) 0%,rgba(28,18,51,.84) 100%);
}
.g-large{grid-column:span 6;}
.g-small{grid-column:span 3;}
.g-small .g-cap{font-size:13px;padding:12px;}
.g-index{
  position:absolute;left:14px;top:14px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(28,18,51,.62);color:var(--accent-lime);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.g-small .g-index{left:10px;top:10px;font-size:11px;padding:2px 8px;}

/* ---------- Entries ---------- */
.entries{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.entry-card{
  position:relative;
  display:flex;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transition:opacity var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DED4F5;}
.entry-card:hover::before{opacity:1;}
.entry-thumb{
  flex:0 0 152px;width:152px;border-radius:var(--r-md);overflow:hidden;
  background:var(--grad-cover);box-shadow:var(--sh-1);
}
.entry-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.entry-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.entry-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--brand-900);}
.entry-card:hover .entry-title{color:var(--brand-600);}
.entry-desc{
  font-size:14px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;}
.chip{
  display:inline-block;padding:4px 10px;border-radius:var(--r-xs);
  background:var(--bg-alt);color:var(--brand-600);
  font-size:12px;font-weight:600;
  transition:background var(--ease),color var(--ease);
}
.entry-card:hover .chip{background:var(--brand-600);color:#fff;}
.entry-more{display:flex;justify-content:center;margin-top:28px;}
.is-hidden{display:none !important;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.is-open{box-shadow:inset 3px 0 0 var(--accent-lime),var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;text-align:left;color:var(--brand-900);
  transition:color var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand-600);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--bg-alt);color:var(--brand-600);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent-lime);color:var(--brand-900);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--bg-alt);}
.faq-a p{padding:16px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- Cross links ---------- */
.cross-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cross-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DED4F5;}
.cross-card h3{font-size:19px;color:var(--brand-900);}
.cross-card p{font-size:14px;color:var(--text-2);}
.cross-more{margin-top:6px;font-size:14px;font-weight:700;color:var(--brand-600);}
.cross-card:hover .cross-more{color:var(--accent-coral);}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-cover);
  padding:60px 44px;text-align:center;color:#fff;margin-top:88px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.24;
}
.cta-panel::after{
  content:"";position:absolute;top:-100px;left:-60px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.18) 0%,rgba(198,240,74,0) 70%);
}
.cta-inner{position:relative;z-index:2;}
.cta-title{font-size:30px;font-weight:800;}
.cta-text{margin-top:12px;font-size:15px;color:rgba(255,255,255,.84);}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:28px;}
.cta-panel .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.44);}
.cta-panel .btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--brand-900);
  color:#C9C2E0;
  position:relative;
  padding-top:3px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.footer-brand .logo-mark{width:32px;height:32px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#C9C2E0;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:#C9C2E0;transition:color var(--ease);}
.footer-links a:hover{color:var(--accent-lime);}
.footer-contact li{color:#C9C2E0;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;font-size:13px;color:#9C93BE;
}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .search-form{display:none;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:grid;}
  .header-actions{margin-left:auto;}
  .hero-title{font-size:36px;}
  .entries{grid-template-columns:1fr;}
  .g-large{grid-column:span 6;}
  .g-small{grid-column:span 6;}
  .cross-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 32px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;gap:12px;}
  .brand-text{font-size:15px;max-width:170px;overflow:hidden;text-overflow:ellipsis;}
  .hero{margin-top:18px;}
  .hero-card{min-height:auto;border-radius:var(--r-lg);}
  .hero-inner{padding:40px 0 44px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px;}
  .stat-num{font-size:22px;}
  .section{padding:56px 0 0;}
  .section-title{font-size:24px;}
  .intro-card{padding:22px;}
  .gallery-grid{gap:14px;}
  .g-large,.g-small{grid-column:span 12;}
  .g-item img{aspect-ratio:16/10;}
  .entry-card{flex-direction:column;gap:14px;padding:14px;}
  .entry-thumb{flex:none;width:100%;}
  .entry-thumb img{aspect-ratio:16/9;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .cta-panel{padding:44px 22px;border-radius:var(--r-lg);margin-top:56px;}
  .cta-title{font-size:23px;}
  .site-footer{margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;font-size:12px;}
}
@media (max-width:480px){
  .hero-title{font-size:28px;}
  .stat-card{padding:14px;}
  .stat-num{font-size:20px;}
  .stat-label{font-size:12px;}
  .hero-actions{gap:10px;}
}