/* roulang page: index */
:root{
  --c-primary:#12352C;
  --c-primary-deep:#0B241E;
  --c-primary-soft:#E7EFEA;
  --c-accent:#B9E24C;
  --c-accent-ink:#16301F;
  --c-bg:#F4F2ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D6;
  --c-ink:#1B1F1D;
  --c-muted:#6E7A73;
  --sh-1:0 1px 2px rgba(15,21,18,.05);
  --sh-2:0 14px 36px rgba(15,21,18,.08);
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"IBM Plex Sans",Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease)}
a:hover{color:var(--c-primary-deep)}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--soft{background:var(--c-primary-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.sec-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;color:var(--c-muted);text-transform:uppercase;margin-bottom:12px}
.sec-label::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block}
h2.sec-title{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--c-primary-deep)}
.sec-note{font-size:14px;color:var(--c-muted);line-height:1.7;max-width:420px}
.lead{font-size:18px;line-height:1.75;color:var(--c-muted)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);
  padding:14px 24px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);}
.btn .arw{transition:transform .24s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}
.btn-primary:hover{background:#a9d63e;color:var(--c-accent-ink);border-color:#a9d63e}
.btn-ghost{background:transparent;color:#F4F2ED;border-color:rgba(244,242,237,.5)}
.btn-ghost:hover{background:rgba(244,242,237,.1);color:#fff;border-color:rgba(244,242,237,.85)}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-primary);background:var(--c-surface)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .24s var(--ease)}
.btn-text:hover{border-color:var(--c-primary)}
.btn-text:hover .arw{transform:translateX(4px)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.6;
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge--moss{background:#DDE9E1;color:#1C4436}
.badge--sand{background:#EFE9D9;color:#5B4A1E}
.badge--slate{background:#E3E7E5;color:#2E3D37}
.badge--accent{background:rgba(185,226,76,.32);color:#2C4610}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,242,237,.94);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--c-line);transition:box-shadow .3s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;max-width:1240px;margin:0 auto;padding:0 24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--c-primary-deep);letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 auto;
  transition:transform .3s var(--ease)}
.logo:hover .logo-mark{transform:rotate(-8deg)}
.logo-mark svg{width:16px;height:16px;display:block}
.logo-sub{font-size:11px;font-weight:500;color:var(--c-muted);letter-spacing:.14em;display:block;line-height:1}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-block;padding:26px 14px;font-size:15px;font-weight:500;color:var(--c-ink)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:14px}

.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;background:none;border:none;cursor:pointer;
  font-size:15px;font-weight:500;color:var(--c-ink);padding:10px 4px;border-bottom:2px solid transparent;transition:border-color .24s var(--ease),color .24s var(--ease)}
.mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{color:var(--c-primary);border-bottom-color:var(--c-accent)}
.mega-trigger .caret{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .24s var(--ease)}
.mega-wrap:hover .caret,.mega-wrap:focus-within .caret{transform:rotate(225deg) translateY(-2px)}
.mega-panel{position:absolute;top:calc(100% + 16px);right:0;width:620px;max-width:calc(100vw - 48px);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:22px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease)}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--c-muted);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-list li+li{margin-top:4px}
.mega-list a{display:flex;gap:12px;padding:10px;border-radius:10px;transition:background-color .22s var(--ease)}
.mega-list a:hover{background:var(--c-primary-soft)}
.mega-ico{width:32px;height:32px;flex:0 0 auto;border-radius:9px;background:var(--c-primary-soft);display:grid;place-items:center;color:var(--c-primary);font-size:13px;font-weight:700}
.mega-list strong{display:block;font-size:14px;font-weight:700;color:var(--c-ink)}
.mega-list em{display:block;font-style:normal;font-size:12.5px;color:var(--c-muted);line-height:1.6}
.mega-news li+li{margin-top:12px}
.mega-news a{display:block;font-size:14px;line-height:1.6;color:var(--c-ink)}
.mega-news a:hover{color:var(--c-primary)}
.mega-news span{display:block;font-size:12px;color:var(--c-muted);margin-top:2px}
.mega-footer{display:flex;align-items:center;gap:12px;margin-top:20px;padding:12px;border-radius:12px;background:var(--c-primary-soft)}
.mega-footer img{width:56px;height:40px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mega-footer span{font-size:14px;font-weight:600;color:var(--c-primary)}
.mega-footer .arw{margin-left:auto;transition:transform .24s var(--ease)}
.mega-footer:hover .arw{transform:translateX(4px)}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--c-primary);display:block;transition:.24s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);transition:.24s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:var(--c-surface);z-index:90;
  transform:translateX(102%);transition:transform .34s var(--ease);overflow-y:auto;padding:22px;box-shadow:var(--sh-2)}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(11,36,30,.48);opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;font-size:18px;line-height:1;color:var(--c-primary)}
.drawer-nav a{display:block;padding:14px 0;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-nav a.is-active{color:var(--c-primary)}
.drawer-sub{margin:6px 0 14px 0}
.drawer-sub a{display:block;padding:9px 0 9px 14px;font-size:14px;font-weight:500;color:var(--c-muted);border-left:2px solid var(--c-line)}
.drawer-sub a:hover{color:var(--c-primary);border-left-color:var(--c-accent)}
.drawer-cta{margin-top:24px}

/* Hero */
.hero{position:relative;background:var(--c-primary-deep);color:#F4F2ED;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.30}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,36,30,.94) 0%,rgba(11,36,30,.86) 52%,rgba(11,36,30,.72) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center;
  padding:88px 0 64px}
.hero-copy{grid-column:span 7}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(185,226,76,.16);border:1px solid rgba(185,226,76,.35);color:var(--c-accent);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;margin-bottom:22px}
.hero h1{font-size:clamp(34px,4.4vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em;color:#fff}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-sub{margin-top:20px;font-size:clamp(16px,1.6vw,19px);line-height:1.8;color:rgba(244,242,237,.78);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-art{grid-column:span 5;position:relative;min-height:360px}
.hero-card{position:absolute;border-radius:var(--r-img);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35);border:1px solid rgba(244,242,237,.12)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card--main{top:0;right:0;width:78%;aspect-ratio:3/4;transform:rotate(2.4deg)}
.hero-card--back{left:0;bottom:0;width:58%;aspect-ratio:4/3;transform:rotate(-6deg);z-index:-1;opacity:.94}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:28px 0 40px;border-top:1px solid rgba(244,242,237,.16)}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(30px,3.4vw,48px);
  font-weight:800;line-height:1;color:var(--c-accent);letter-spacing:-.02em}
.stat-num small{font-size:.45em;font-weight:700;margin-left:4px;color:rgba(244,242,237,.72)}
.stat-label{margin-top:10px;font-size:13px;color:rgba(244,242,237,.62);line-height:1.6}

/* 能力横向列表 */
.ability{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.ability-aside{grid-column:span 4}
.ability-aside .rail{position:sticky;top:110px}
.rail-title{font-size:22px;font-weight:800;line-height:1.4;color:var(--c-primary-deep);margin:10px 0 16px}
.rail-desc{font-size:15px;color:var(--c-muted);line-height:1.85}
.ability-list{grid-column:span 8;border-top:1px solid var(--c-line)}
.ability-item{display:flex;align-items:center;gap:20px;padding:22px 18px;border-bottom:1px solid var(--c-line);
  transition:background-color .26s var(--ease),transform .26s var(--ease)}
.ability-item:hover{background:var(--c-primary-soft);transform:translateX(4px)}
.ability-idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;
  color:var(--c-muted);width:28px;flex:0 0 auto}
.ability-item img{width:60px;height:60px;border-radius:var(--r-img);object-fit:cover;flex:0 0 auto}
.ability-txt{flex:1;min-width:0}
.ability-txt h3{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.ability-txt p{font-size:14.5px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ability-arw{font-size:18px;color:var(--c-primary);transition:transform .26s var(--ease)}
.ability-item:hover .ability-arw{transform:translateX(6px)}

/* 三步 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--c-line);margin-top:16px}
.step{padding:40px 32px 36px 0;position:relative}
.step+.step{padding-left:32px;border-left:1px solid var(--c-line)}
.step-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:72px;font-weight:800;
  line-height:1;color:var(--c-accent);letter-spacing:-.04em}
.step h3{font-size:20px;font-weight:700;margin:20px 0 12px;color:var(--c-primary-deep)}
.step p{font-size:15px;color:var(--c-muted);line-height:1.85}
.step .btn-text{margin-top:18px}

/* 案例证明 */
.proof{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.proof-quote{grid-column:span 5;background:var(--c-primary);color:#F4F2ED;border-radius:var(--r-card);
  padding:36px;display:flex;flex-direction:column;justify-content:space-between;min-height:360px}
.proof-quote blockquote{margin:0;font-size:22px;line-height:1.65;font-weight:600;letter-spacing:-.01em}
.proof-quote blockquote::before{content:"「";color:var(--c-accent)}
.proof-quote blockquote::after{content:"」";color:var(--c-accent)}
.proof-src{display:flex;align-items:center;gap:12px;margin-top:32px;padding-top:20px;border-top:1px solid rgba(244,242,237,.18)}
.proof-src img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.proof-src b{display:block;font-size:14px;font-weight:700}
.proof-src span{display:block;font-size:12.5px;color:rgba(244,242,237,.6)}
.proof-cases{grid-column:span 7;display:grid;gap:24px}
.case-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3)}
.case-card:nth-child(2){margin-left:32px}
.case-card h3{font-size:19px;font-weight:700;margin-bottom:12px;color:var(--c-primary-deep)}
.case-card p{font-size:14.5px;color:var(--c-muted);line-height:1.8}
.case-metric{display:flex;align-items:baseline;gap:8px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line)}
.case-metric b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:30px;font-weight:800;color:var(--c-primary);line-height:1}
.case-metric span{font-size:13px;color:var(--c-muted)}

/* 最新信息 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3)}
.post-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17px;font-weight:700;line-height:1.5;margin:12px 0 10px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a{color:inherit}
.post-title a:hover{color:var(--c-primary)}
.post-sum{font-size:14.5px;color:var(--c-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted)}
.empty-state{grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface)}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;color:var(--c-muted)}
.empty-state p{font-size:16px;color:var(--c-muted);margin-bottom:20px}

/* FAQ */
.faq{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.faq-aside{grid-column:span 4}
.faq-aside .rail{position:sticky;top:110px}
.faq-body{grid-column:span 8}
.faq-list .accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-list .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;color:var(--c-ink);background:var(--c-surface);border:none;transition:background-color .24s var(--ease)}
.faq-list .accordion-title:hover{background:var(--c-primary-soft)}
.faq-list .accordion-title::before{display:none}
.faq-list .accordion-title::after{content:"";position:relative;flex:0 0 auto;width:12px;height:12px;
  background:linear-gradient(currentColor,currentColor) center/12px 1.6px no-repeat,
             linear-gradient(currentColor,currentColor) center/1.6px 12px no-repeat;
  transform:rotate(0);transition:transform .28s var(--ease)}
.faq-list .accordion-item.is-active .accordion-title::after{transform:rotate(45deg)}
.faq-list .accordion-content{padding:0 22px 20px;border-top:1px solid var(--c-line);background:var(--c-surface);
  font-size:15px;line-height:1.9;color:var(--c-muted)}
.faq-list .accordion-content p{padding-top:16px}

/* CTA */
.cta-band{background:var(--c-primary-deep);color:#F4F2ED;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.14}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center;padding:64px 0}
.cta-copy{grid-column:span 5}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.3;color:#fff;letter-spacing:-.01em}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(244,242,237,.72)}
.cta-form{grid-column:span 7}
.cta-fields{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:12px;align-items:center}
.cta-fields input{width:100%;height:50px;padding:0 16px;border-radius:var(--r-input);border:1px solid rgba(244,242,237,.24);
  background:#fff;color:var(--c-ink);font-size:14.5px;transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}
.cta-fields input::placeholder{color:#9AA5A0}
.cta-fields input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,226,76,.4)}
.cta-fields .btn{height:50px;justify-content:center;white-space:nowrap}
.cta-privacy{margin-top:14px;font-size:12px;color:rgba(244,242,237,.55);line-height:1.7}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:#F4F2ED}
.footer-top-line{height:24px;background:var(--c-accent)}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-sub{color:rgba(244,242,237,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(244,242,237,.68);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:18px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(244,242,237,.68)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col .meta-line{font-size:13.5px;color:rgba(244,242,237,.68);line-height:1.9}
.footer-bottom{border-top:1px solid rgba(244,242,237,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between}
.footer-bottom p,.footer-bottom a{font-size:13px;color:rgba(244,242,237,.55)}
.footer-bottom a:hover{color:var(--c-accent)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}

/* 响应式 */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .nav-list,.mega-wrap,.nav-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;padding:64px 0 40px}
  .hero-copy,.hero-art{grid-column:span 12}
  .hero-art{min-height:280px;order:-1;margin-bottom:8px}
  .hero-card--main{width:64%;position:relative;margin-left:auto;transform:rotate(2deg)}
  .hero-card--back{width:46%;left:0;bottom:-24px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .ability,.proof,.faq{grid-template-columns:1fr}
  .ability-aside,.ability-list,.proof-quote,.proof-cases,.faq-aside,.faq-body{grid-column:span 12}
  .ability-aside .rail,.faq-aside .rail{position:static}
  .steps{grid-template-columns:1fr}
  .step{padding:32px 0}
  .step+.step{padding-left:0;border-left:none;border-top:1px solid var(--c-line)}
  .proof-cases{grid-template-columns:1fr 1fr}
  .case-card:nth-child(2){margin-left:0;margin-top:-16px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;padding:56px 0}
  .cta-copy,.cta-form{grid-column:span 12}
  .cta-fields{grid-template-columns:1fr 1fr}
  .cta-fields .btn{grid-column:span 2}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
}
@media screen and (max-width:639px){
  .wrap{padding:0 16px}
  .nav-wrap{padding:0 16px;height:60px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .hero h1{font-size:31px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-card--main{width:72%}
  .hero-card--back{width:52%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;padding:22px 0 30px}
  .stat-num{font-size:30px}
  .ability-item{align-items:flex-start;padding:18px 8px;gap:14px}
  .ability-item img{width:52px;height:52px}
  .step-num{font-size:56px}
  .proof-cases{grid-template-columns:1fr}
  .case-card:nth-child(2){margin-top:0}
  .proof-quote{padding:26px;min-height:auto}
  .proof-quote blockquote{font-size:18.5px}
  .post-grid{grid-template-columns:1fr}
  .cta-fields{grid-template-columns:1fr}
  .cta-fields .btn{grid-column:span 1;width:100%}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
/* ================= 设计变量 ================= */
:root{
  --c-primary:#12352C;
  --c-primary-deep:#0B241E;
  --c-primary-soft:#E7EFEA;
  --c-accent:#B9E24C;
  --c-accent-ink:#16301F;
  --c-bg:#F4F2ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D6;
  --c-ink:#1B1F1D;
  --c-muted:#6E7A73;
  --sh-1:0 1px 2px rgba(15,21,18,.05);
  --sh-2:0 14px 36px rgba(15,21,18,.08);
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:72px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* ================= Reset / Base ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-feature-settings:"tnum" 1;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-accent);color:var(--c-accent-ink);}

/* ================= 容器 ================= */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);}
.btn-primary:hover{background:#a9d13f;color:var(--c-accent-ink);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(244,242,237,.55);color:#F4F2ED;background:transparent;}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary);color:#F4F2ED;}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary);}
.btn-text .arrow{transition:transform .28s var(--ease);}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:700;line-height:1.5;letter-spacing:.02em;
}
.badge-accent{background:rgba(185,226,76,.28);color:var(--c-accent-ink);}
.tag{
  display:inline-block;padding:7px 14px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);
  transition:border-color .28s var(--ease),color .28s var(--ease),background .28s var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}

/* ================= 站点头部 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,242,237,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(244,242,237,.99);}
.header-inner{
  min-height:var(--header-h);
  display:flex;align-items:center;gap:24px;
  transition:min-height .3s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:64px;}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease);
}
.logo:hover .logo-mark{transform:rotate(-6deg);}
.logo-mark svg{width:19px;height:19px;}
.logo-text{display:block;font-size:17px;font-weight:800;color:var(--c-primary);letter-spacing:-.01em;line-height:1.2;}
.logo-sub{display:block;font-size:10px;letter-spacing:.18em;color:var(--c-muted);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;font-size:15px;font-weight:600;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.mega-trigger:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.mega-trigger .caret{transition:transform .3s var(--ease);}
.mega-wrap:hover .caret,.mega-wrap:focus-within .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:600px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-muted);margin-bottom:14px;}
.mega-item{
  display:flex;gap:12px;padding:10px;border-radius:10px;
  transition:background .24s var(--ease);
}
.mega-item:hover{background:var(--c-primary-soft);}
.mega-item .dot{
  width:30px;height:30px;flex-shrink:0;border-radius:9px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.mega-item strong{display:block;font-size:14px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.mega-item span{display:block;font-size:12.5px;color:var(--c-muted);line-height:1.6;}
.mega-list-link{display:flex;gap:10px;padding:9px 10px;border-radius:10px;transition:background .24s var(--ease);}
.mega-list-link:hover{background:var(--c-primary-soft);}
.mega-list-link em{font-style:normal;font-size:13.5px;color:var(--c-ink);line-height:1.5;font-weight:600;}
.mega-list-link i{font-style:normal;font-size:12px;color:var(--c-muted);white-space:nowrap;}
.mega-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;gap:14px;
}
.mega-foot img{width:64px;height:44px;object-fit:cover;border-radius:9px;}
.mega-foot strong{display:block;font-size:14px;font-weight:700;}
.mega-foot span{display:block;font-size:12.5px;color:var(--c-muted);}

/* ================= 移动端抽屉 ================= */
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);
  transition:transform .3s var(--ease);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,30,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;z-index:90;
  background:var(--c-surface);box-shadow:var(--sh-2);
  padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);font-size:18px;color:var(--c-muted);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav>a{
  padding:13px 12px;border-radius:10px;font-size:15px;font-weight:700;color:var(--c-ink);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.drawer-nav>a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-nav>a.is-active{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-sub{display:flex;flex-direction:column;padding:2px 0 8px 12px;}
.drawer-sub a{padding:8px 12px;font-size:13.5px;color:var(--c-muted);border-left:2px solid var(--c-line);}
.drawer-sub a:hover{color:var(--c-primary);border-left-color:var(--c-accent);}
.drawer-cta{margin-top:auto;width:100%;}

/* ================= 面包屑 ================= */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;font-size:14px;color:var(--c-muted);
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#C3BEB2;}
.breadcrumb .current{color:#9AA39D;}

/* ================= 文章头部 ================= */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--c-line);}
.article-head h1{
  font-size:clamp(32px,4.4vw,50px);
  font-weight:800;letter-spacing:-.02em;line-height:1.14;
  color:var(--c-ink);max-width:940px;
}
.article-lead{
  margin-top:18px;max-width:760px;
  font-size:18px;line-height:1.75;color:var(--c-muted);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:24px;font-size:13.5px;color:var(--c-muted);
}
.meta-row time{font-variant-numeric:tabular-nums;}
.meta-sep{width:1px;height:14px;background:var(--c-line);}

/* ================= 文章主体 ================= */
.article-section{padding:48px 0 8px;}
.article-body{max-width:760px;font-size:16px;line-height:1.9;}
.article-body p{margin:0 0 1.25em;color:#2A322E;}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;
  margin:48px 0 16px;padding-left:16px;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:20px;font-weight:700;margin:32px 0 12px;color:var(--c-ink);}
.article-body h4{font-size:17px;font-weight:700;margin:26px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;color:#2A322E;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  background:var(--c-primary);border-radius:2px;
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li;color:#2A322E;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:14px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  border-left:3px solid var(--c-primary);background:var(--c-primary-soft);
  border-radius:0 var(--r-img) var(--r-img) 0;color:#22362D;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px 0 10px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:14px;color:var(--c-muted);text-align:center;margin-top:8px;}
.article-body code{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:14.5px;background:#EFEDE7;color:#1F3A30;
  padding:2px 7px;border-radius:6px;word-break:break-all;
}
.article-body pre{
  background:var(--c-primary-deep);color:#E9F1EA;
  padding:18px 20px;border-radius:var(--r-img);overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-body th{
  background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:700;text-align:left;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--c-line);vertical-align:top;
}
.article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(18,53,44,.35);}
.article-body a:hover{text-decoration-color:var(--c-accent);}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}

/* ================= 侧栏 ================= */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h4{font-size:15px;font-weight:800;color:var(--c-ink);margin-bottom:14px;}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;align-items:center;gap:8px;
  padding:9px 0;font-size:14px;color:var(--c-ink);border-bottom:1px dashed var(--c-line);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--c-primary);padding-left:4px;}
.side-links a::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-accent);flex-shrink:0;}
.side-cover{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.side-cover:hover img{transform:scale(1.03);}
.side-cover .cap{padding:14px 16px;font-size:13.5px;color:var(--c-muted);line-height:1.6;background:var(--c-surface);}
.side-cta{
  background:var(--c-primary);color:#EAF0E9;border-radius:var(--r-card);padding:22px;
  border:1px solid var(--c-primary);
}
.side-cta h4{color:#FFFFFF;font-size:16px;margin-bottom:8px;}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(244,242,237,.75);margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ================= 标签行 ================= */
.tagline{
  max-width:760px;margin-top:40px;padding-top:24px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.tagline .label{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:.08em;}

/* ================= 相关推荐 ================= */
.related{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:14px;color:var(--c-muted);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3);}
.card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .thumb img{transform:scale(1.03);}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .desc{font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;}
.card .foot time{font-size:13px;color:#9AA39D;font-variant-numeric:tabular-nums;}

/* ================= CTA ================= */
.cta-strip{margin-top:80px;background:var(--c-primary);color:#EAF0E9;}
.cta-strip .inner{
  display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;
  padding:56px 0;
}
.cta-strip h2{font-size:clamp(24px,2.6vw,32px);color:#FFFFFF;font-weight:800;letter-spacing:-.01em;}
.cta-strip p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(244,242,237,.75);max-width:440px;}
.cta-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;}
.cta-form input{
  width:100%;padding:14px 16px;border-radius:var(--r-input);
  border:1px solid transparent;background:#FFFFFF;color:var(--c-ink);
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.cta-form input::placeholder{color:#9AA39D;}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px var(--c-accent);}
.cta-note{grid-column:1/-1;font-size:12.5px;color:rgba(244,242,237,.6);margin-top:2px;}

/* ================= 空态 ================= */
.empty-state{
  max-width:560px;margin:0 auto;padding:72px 24px;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{font-size:16px;color:var(--c-muted);margin-bottom:22px;}

/* ================= 页脚 ================= */
.site-footer{background:var(--c-primary-deep);color:rgba(244,242,237,.82);margin-top:0;}
.footer-top-line{height:24px;background:var(--c-accent);}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text,.footer-brand .logo-sub{color:#F4F2ED;}
.footer-brand .logo-mark{background:rgba(244,242,237,.08);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(244,242,237,.66);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(244,242,237,.72);transition:color .24s var(--ease);}
.footer-col a:hover{color:var(--c-accent);}
.footer-col .meta-line{font-size:14px;line-height:1.85;color:rgba(244,242,237,.66);}
.footer-bottom{
  border-top:1px solid rgba(244,242,237,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(244,242,237,.55);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:rgba(244,242,237,.55);}
.footer-links a:hover{color:var(--c-accent);}

/* ================= 响应式 ================= */
@media (max-width:1023px){
  .main-nav{display:none;}
  .mega-wrap{display:none;}
  .menu-toggle{display:inline-flex;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-strip .inner{grid-template-columns:1fr;gap:28px;padding:48px 0;}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 36px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .wrap{padding:0 18px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .article-section{padding:32px 0 0;}
  .article-head{padding:18px 0 26px;}
  .article-lead{font-size:16.5px;}
  .article-body h2{margin-top:38px;}
  .card-grid{grid-template-columns:1fr;}
  .related{padding:52px 0 0;}
  .cta-form{grid-template-columns:1fr;}
  .cta-strip{margin-top:56px;}
  .footer-main{grid-template-columns:1fr;gap:30px;padding:44px 0 30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .side-sticky{position:static;}
}
@media (max-width:639px){
  .article-body{font-size:15.5px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;font-size:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  .card:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#12352C;
  --c-primary-deep:#0B241E;
  --c-primary-soft:#E7EFEA;
  --c-accent:#B9E24C;
  --c-accent-ink:#16301F;
  --c-bg:#F4F2ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D6;
  --c-ink:#1B1F1D;
  --c-muted:#6E7A73;
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(15,21,18,.05);
  --sh-2:0 14px 36px rgba(15,21,18,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"IBM Plex Sans","Inter",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

.wrap,.grid-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.grid-x{display:flex;flex-wrap:wrap;width:100%;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;width:calc(100% + 24px);}
.grid-x.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}
.cell{flex:0 0 100%;max-width:100%;min-width:0;}
.grid-x.grid-margin-y{margin-top:-12px;margin-bottom:-12px;}
.grid-x.grid-margin-y > .cell{padding-top:12px;padding-bottom:12px;}

@media (min-width:640px){
  .medium-6{flex:0 0 50%;max-width:50%;}
  .medium-12{flex:0 0 100%;max-width:100%;}
}
@media (min-width:1024px){
  .large-3{flex:0 0 25%;max-width:25%;}
  .large-4{flex:0 0 33.3333%;max-width:33.3333%;}
  .large-5{flex:0 0 41.6667%;max-width:41.6667%;}
  .large-6{flex:0 0 50%;max-width:50%;}
  .large-7{flex:0 0 58.3333%;max-width:58.3333%;}
  .large-8{flex:0 0 66.6667%;max-width:66.6667%;}
  .large-9{flex:0 0 75%;max-width:75%;}
  .large-12{flex:0 0 100%;max-width:100%;}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(244,242,237,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(140%) blur(8px);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .3s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:block;font-size:18px;font-weight:800;color:var(--c-primary);line-height:1.15;letter-spacing:-.01em;}
.logo-sub{display:block;font-family:var(--font-num);font-size:10px;letter-spacing:.16em;color:var(--c-muted);line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  transition:background .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent);
}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}

.mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;cursor:pointer;
  padding:9px 10px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  transition:background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.mega-trigger .chev{width:12px;height:12px;transition:transform .3s var(--ease);}
.mega:hover .mega-trigger,
.mega:focus-within .mega-trigger{background:var(--c-primary-soft);color:var(--c-primary);box-shadow:inset 0 -2px 0 var(--c-accent);}
.mega:hover .mega-trigger .chev,
.mega:focus-within .mega-trigger .chev{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  width:600px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.mega:hover .mega-panel,
.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-muted);margin-bottom:10px;}
.mega-item{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;transition:background .24s var(--ease);}
.mega-item:hover{background:var(--c-primary-soft);}
.mega-ico{width:30px;height:30px;border-radius:9px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--c-primary);}
.mega-ico svg{width:15px;height:15px;}
.mega-item b{display:block;font-size:14px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.mega-item em{display:block;font-style:normal;font-size:12.5px;color:var(--c-muted);line-height:1.6;}
.mega-post{display:block;padding:9px 10px;border-radius:10px;transition:background .24s var(--ease);}
.mega-post:hover{background:var(--c-primary-soft);}
.mega-post b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;font-weight:600;line-height:1.55;color:var(--c-ink);}
.mega-post time{display:block;font-size:12px;color:var(--c-muted);margin-top:4px;}
.mega-foot{
  display:flex;align-items:center;gap:12px;margin-top:18px;padding:12px;
  border:1px solid var(--c-line);border-radius:12px;background:#FBFAF7;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.mega-foot:hover{border-color:rgba(18,53,44,.3);background:var(--c-primary-soft);}
.mega-foot img{width:64px;height:44px;object-fit:cover;border-radius:9px;flex:0 0 auto;}
.mega-foot b{display:block;font-size:14px;font-weight:700;color:var(--c-ink);}
.mega-foot em{display:block;font-style:normal;font-size:12.5px;color:var(--c-muted);}
.mega-foot .arrow{margin-left:auto;width:16px;height:16px;color:var(--c-primary);transition:transform .24s var(--ease);}
.mega-foot:hover .arrow{transform:translateX(4px);}

.drawer-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;
  background:var(--c-surface);cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.drawer-toggle span{display:block;width:16px;height:1.6px;background:var(--c-ink);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn .arrow{width:16px;height:16px;transition:transform .24s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:#a9d33f;color:var(--c-accent-ink);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:rgba(18,53,44,.28);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:rgba(18,53,44,.5);color:var(--c-primary);}
.btn-ghost{background:transparent;color:#F4F2ED;border-color:rgba(244,242,237,.45);}
.btn-ghost:hover{background:rgba(244,242,237,.12);color:#fff;}
.btn-sm{padding:11px 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,30,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-nav{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);
  background:var(--c-surface);z-index:95;padding:26px 22px 32px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateX(102%);transition:transform .34s var(--ease);
  overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer-nav.is-open{transform:translateX(0);}
.drawer-nav > a{
  display:block;padding:13px 12px;border-radius:10px;font-size:16px;font-weight:700;color:var(--c-ink);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.drawer-nav > a:hover{background:var(--c-primary-soft);}
.drawer-nav > a.is-active{color:var(--c-primary);background:var(--c-primary-soft);box-shadow:inset 3px 0 0 var(--c-accent);}
.drawer-sub{display:flex;flex-direction:column;margin:2px 0 8px 12px;border-left:1px solid var(--c-line);padding-left:12px;}
.drawer-sub a{font-size:14px;color:var(--c-muted);padding:7px 0;}
.drawer-sub a:hover{color:var(--c-primary);}

/* ---------- 内页主视觉 ---------- */
.page-hero{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:34px 0 30px;
  min-height:200px;
  display:flex;align-items:center;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:16px;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline;}
.crumb-sep{color:var(--c-line);}
.crumbs [aria-current]{color:var(--c-ink);font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4vw,44px);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--c-primary);
}
.page-hero-lead{margin-top:14px;font-size:16px;line-height:1.8;color:var(--c-muted);max-width:760px;}

/* ---------- 筛选标签 ---------- */
.filter-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line);padding:18px 0;}
.filter-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.filter-label{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-muted);flex:0 0 auto;}
.filter-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink);
  transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.tag:hover{background:var(--c-primary-soft);border-color:rgba(18,53,44,.32);color:var(--c-primary);}
.tag.is-current{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink);}

/* ---------- 主体区 ---------- */
.section{padding:64px 0;}
.section-tight{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;}
.section-head .hint{font-size:14px;color:var(--c-muted);max-width:420px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary);}
.text-link .arrow{width:15px;height:15px;transition:transform .24s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

.index-list{margin-top:0;}
.index-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.index-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3);}
.index-num{
  font-family:var(--font-num);font-size:26px;font-weight:800;line-height:1;
  color:rgba(18,53,44,.22);letter-spacing:.02em;margin-bottom:12px;
}
.index-card h3{font-size:18px;font-weight:700;line-height:1.45;}
.index-card h3 a{color:var(--c-ink);}
.index-card h3 a:hover{color:var(--c-primary);}
.index-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--c-muted);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.index-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.badge-accent{background:rgba(185,226,76,.28);color:var(--c-accent-ink);}
.index-meta time{font-size:13px;color:var(--c-muted);}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){
  .side-col{position:sticky;top:96px;}
}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:12px;}
.side-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);margin-bottom:16px;}
.link-list li + li{border-top:1px solid var(--c-line);}
.link-list a{display:block;padding:11px 0;font-size:14.5px;font-weight:600;color:var(--c-ink);}
.link-list a:hover{color:var(--c-primary);}
.link-list .meta{display:block;font-size:12.5px;color:var(--c-muted);font-weight:400;margin-top:4px;}
.side-cta{background:#FBFAF7;border-color:rgba(18,53,44,.22);}
.side-cta h3{color:var(--c-primary);}
.side-cta p{font-size:14px;color:var(--c-muted);line-height:1.8;margin-bottom:16px;}

/* 分页 */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:40px;}
.pager a,.pager span.pager-ellipsis{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-surface);font-size:14px;font-weight:600;color:var(--c-ink);
  transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.pager a:hover{background:var(--c-primary-soft);border-color:rgba(18,53,44,.32);color:var(--c-primary);}
.pager a.is-current{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink);}
.pager a.is-disabled{color:var(--c-muted);background:transparent;border-color:var(--c-line);pointer-events:none;opacity:.7;}
.pager .pager-total{margin-left:auto;font-size:13.5px;color:var(--c-muted);}

/* 数据横带 */
.band{background:var(--c-primary);color:#F4F2ED;padding:48px 0;}
.band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.band-item{border-left:1px solid rgba(244,242,237,.18);padding-left:20px;}
.band-item:first-child{border-left:0;padding-left:0;}
.band-num{font-family:var(--font-num);font-size:clamp(36px,4.6vw,52px);font-weight:800;line-height:1;color:var(--c-accent);}
.band-item p{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(244,242,237,.78);}
.band-title{font-size:14px;font-weight:700;letter-spacing:.1em;color:rgba(244,242,237,.6);margin-bottom:22px;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.faq-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-card:hover{border-color:rgba(18,53,44,.3);box-shadow:var(--sh-1);}
.faq-card h3{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:10px;display:flex;gap:10px;}
.faq-card h3::before{content:"Q";font-family:var(--font-num);font-size:14px;font-weight:800;color:var(--c-accent-ink);background:var(--c-accent);width:22px;height:22px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:3px;}
.faq-card p{font-size:14.5px;line-height:1.9;color:var(--c-muted);padding-left:32px;}

/* CTA */
.cta-band{background:var(--c-primary-deep);color:#F4F2ED;padding:64px 0 34px;}
.cta-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;}
.cta-band h2{color:#F4F2ED;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;}
.cta-band .cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(244,242,237,.76);}
.cta-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:center;}
.cta-form input,.cta-form select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(244,242,237,.24);background:var(--c-surface);color:var(--c-ink);
  font-size:14.5px;font-family:inherit;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.cta-form input::placeholder{color:var(--c-muted);}
.cta-form input:focus,.cta-form select:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px var(--c-accent);}
.cta-form .btn{height:48px;white-space:nowrap;}
.cta-privacy{margin-top:20px;font-size:12px;color:rgba(244,242,237,.5);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#F4F2ED;position:relative;}
.footer-top-line{height:24px;background:var(--c-accent);}
.site-footer .wrap{padding-top:56px;padding-bottom:24px;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#F4F2ED;}
.footer-brand .logo-sub{color:rgba(244,242,237,.5);}
.footer-brand .logo-mark{background:rgba(244,242,237,.08);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(244,242,237,.66);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.08em;color:rgba(244,242,237,.9);margin-bottom:16px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:rgba(244,242,237,.66);}
.footer-col a:hover{color:var(--c-accent);}
.footer-col .meta-line{font-size:14px;line-height:1.85;color:rgba(244,242,237,.66);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(244,242,237,.14);
  font-size:13px;color:rgba(244,242,237,.55);
}
.footer-bottom p{font-size:13px;color:rgba(244,242,237,.55);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:rgba(244,242,237,.55);}
.footer-links a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .main-nav{gap:0;}
  .nav-link{padding:9px 10px;font-size:14.5px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .mega{display:none;}
  .drawer-toggle{display:flex;}
  .header-inner{height:60px;}
  .site-header.is-scrolled .header-inner{height:56px;}
  .section{padding:56px 0;}
  .section-tight{padding:40px 0;}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
  .band-inner{grid-template-columns:repeat(2,1fr);gap:28px;}
  .band-item:nth-child(3){border-left:0;padding-left:0;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-form{grid-template-columns:1fr 1fr;}
  .cta-form .btn{grid-column:span 2;}
  .faq-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .wrap,.grid-container{padding:0 18px;}
  .section{padding:48px 0;}
  .page-hero{min-height:0;padding:26px 0 24px;}
  .page-hero-lead{font-size:15px;}
  .filter-inner{gap:12px;}
  .footer-main{grid-template-columns:1fr;gap:26px;}
  .footer-brand p{max-width:none;}
  .band-inner{grid-template-columns:1fr;gap:22px;}
  .band-item{border-left:0;padding-left:0;border-top:1px solid rgba(244,242,237,.16);padding-top:18px;}
  .band-item:first-child{border-top:0;padding-top:0;}
  .cta-form{grid-template-columns:1fr;}
  .cta-form .btn{grid-column:span 1;}
  .cta-band{padding:48px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .logo-text{font-size:16px;}
  .logo-sub{display:none;}
  .header-right .btn-sm{padding:10px 13px;font-size:13px;}
  .pager .pager-total{margin-left:0;width:100%;}
  .index-num{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12352C;
  --c-primary-deep:#0B241E;
  --c-primary-soft:#E7EFEA;
  --c-accent:#B9E24C;
  --c-accent-ink:#16301F;
  --c-bg:#F4F2ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D6;
  --c-ink:#1B1F1D;
  --c-muted:#6E7A73;
  --sh-1:0 1px 2px rgba(15,21,18,.05);
  --sh-2:0 14px 36px rgba(15,21,18,.08);
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --maxw:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--c-primary-deep)}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.grid-container{max-width:var(--maxw);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,242,237,.95);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .3s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 36px}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--c-ink)}
.logo-sub{display:block;font-size:10px;letter-spacing:.2em;color:var(--c-muted);font-weight:600}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;font-size:15px;font-weight:600;color:var(--c-ink);
  border-radius:8px;background:none;border:0;cursor:pointer;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);display:inline-block;transition:transform .24s var(--ease)}
.nav-item:hover .caret{transform:rotate(45deg) translate(2px,0)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1.2;
  padding:14px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn svg{transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-primary:hover{background:#a9d43f;color:var(--c-accent-ink);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-sm{padding:10px 18px;font-size:14px}

/* mega panel */
.mega-panel{
  position:absolute;top:calc(100% + 12px);left:0;width:600px;
  display:grid;grid-template-columns:1fr 1fr;gap:18px 22px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-2);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  z-index:70;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.panel-right{left:auto;right:0}
.mega-col h5{font-size:12px;letter-spacing:.12em;color:var(--c-muted);font-weight:700;margin-bottom:12px}
.mega-link{display:flex;gap:10px;padding:9px 10px;border-radius:8px;transition:background .24s var(--ease)}
.mega-link:hover{background:var(--c-primary-soft)}
.mega-dot{width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:12px;font-weight:800}
.mega-link strong{display:block;font-size:14px;font-weight:700;color:var(--c-ink);line-height:1.5}
.mega-link span{display:block;font-size:12.5px;color:var(--c-muted);line-height:1.6}
.mega-latest a{display:block;padding:8px 10px;border-radius:8px;font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.6;transition:background .24s var(--ease)}
.mega-latest a:hover{background:var(--c-primary-soft)}
.mega-latest em{display:block;font-style:normal;font-size:12px;color:var(--c-muted);font-weight:500;margin-top:2px}
.mega-foot{
  grid-column:1 / -1;display:flex;align-items:center;gap:14px;
  border-top:1px solid var(--c-line);padding-top:16px;margin-top:2px;
}
.mega-foot img{width:64px;height:44px;object-fit:cover;border-radius:8px;flex:0 0 64px}
.mega-foot strong{display:block;font-size:14px;font-weight:700;color:var(--c-ink)}
.mega-foot span{display:block;font-size:12.5px;color:var(--c-muted)}
.mega-foot .arrow{margin-left:auto;color:var(--c-primary);font-weight:800}

/* drawer */
.burger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);cursor:pointer;position:relative;
}
.burger span{position:absolute;left:11px;width:20px;height:2px;background:var(--c-primary);border-radius:2px;transition:.28s var(--ease)}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.drawer-mask{position:fixed;inset:0;background:rgba(11,36,30,.45);opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:var(--c-surface);z-index:90;padding:22px 18px 28px;
  transform:translateX(102%);transition:transform .34s var(--ease);
  overflow-y:auto;display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.drawer-close{width:36px;height:36px;border-radius:9px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;font-size:18px;color:var(--c-primary);line-height:1}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav > a{display:block;padding:13px 12px;border-radius:9px;font-size:15px;font-weight:700;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-nav > a:hover{background:var(--c-primary-soft)}
.drawer-nav > a.is-active{color:var(--c-primary);background:var(--c-primary-soft)}
.drawer-sub{display:flex;flex-direction:column;padding:4px 0 8px}
.drawer-sub a{padding:8px 12px 8px 24px;font-size:13.5px;font-weight:500;color:var(--c-muted);border-radius:8px}
.drawer-sub a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-cta{margin-top:auto;padding-top:20px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;color:#fff;
  background-image:linear-gradient(90deg,rgba(11,36,30,.9) 0%,rgba(18,53,44,.78) 58%,rgba(18,53,44,.6) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  display:flex;align-items:center;min-height:280px;padding:52px 0 46px;
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(244,242,237,.72);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(244,242,237,.86)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(244,242,237,.6)}
.page-hero h1{
  font-size:clamp(32px,4vw,46px);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  max-width:760px;
}
.page-hero .hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(185,226,76,.16);color:var(--c-accent);
  border:1px solid rgba(185,226,76,.42);border-radius:999px;
  font-size:12.5px;font-weight:700;padding:6px 14px;margin-bottom:16px;
}
.page-hero .lead{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(244,242,237,.84);max-width:640px}

/* ---------- layout ---------- */
.page-main{padding:64px 0 88px}
.section-block{margin-bottom:64px;scroll-margin-top:100px}
.section-block:last-child{margin-bottom:0}
.section-title{font-size:clamp(23px,2.5vw,31px);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-bottom:10px}
.section-desc{font-size:14px;color:var(--c-muted);margin-bottom:24px}
.prose p{font-size:16px;line-height:1.9;color:#2C3330;margin-bottom:18px}
.prose p:last-child{margin-bottom:0}

/* anchor nav */
.anchor-nav{position:sticky;top:100px;padding-left:16px;border-left:2px solid var(--c-line)}
.anchor-nav h3{font-size:12px;letter-spacing:.14em;color:var(--c-muted);font-weight:700;margin-bottom:12px}
.anchor-nav a{position:relative;display:block;padding:9px 0;font-size:15px;font-weight:600;color:var(--c-muted)}
.anchor-nav a:hover{color:var(--c-primary)}
.anchor-nav a.is-current{color:var(--c-primary)}
.anchor-nav a.is-current::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:2px;height:20px;background:var(--c-accent);border-radius:2px;
}

/* feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feature-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3)}
.feature-thumb{overflow:hidden;background:var(--c-primary-soft)}
.feature-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.feature-card:hover .feature-thumb img{transform:scale(1.03)}
.feature-body{padding:20px}
.feature-body h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:8px}
.feature-body p{font-size:15px;line-height:1.75;color:var(--c-muted);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary)}
.text-link svg{transition:transform .24s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* stat band */
.stat-band{
  background:var(--c-primary);color:#fff;border-radius:16px;
  padding:38px 34px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;
}
.stat-item + .stat-item{border-left:1px solid rgba(244,242,237,.18);padding-left:26px}
.stat-num{font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1;color:var(--c-accent);font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;line-height:1.7;color:rgba(244,242,237,.75);margin-top:10px}

/* checklist */
.check-list{margin-top:28px;border-top:1px solid var(--c-line)}
.check-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--c-line);font-size:15px;line-height:1.8;color:#2C3330}
.check-list .idx{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-top:2px;
}

/* faq */
.faq-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;padding:26px}
.accordion{border:0;background:transparent;margin:0}
.accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease)}
.accordion-item:last-child{margin-bottom:0}
.accordion-item.is-active{border-color:rgba(18,53,44,.32)}
.accordion-title{
  position:relative;display:block;padding:18px 56px 18px 20px;
  font-size:17px;font-weight:700;color:var(--c-ink);border:0;
  transition:background .24s var(--ease);background:transparent;
}
.accordion-title:hover{background:var(--c-primary-soft);color:var(--c-ink)}
.accordion .accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;
  background:var(--c-primary);transform:translateY(-50%);border:0;
  transition:none;
}
.accordion .accordion-title::after{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;
  background:var(--c-primary);transform:translateY(-50%);
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.accordion-content{
  border:0;border-top:1px solid var(--c-line);padding:16px 20px 20px;
  font-size:15px;line-height:1.9;color:#2C3330;background:transparent;
}
.accordion-content p{margin-bottom:10px;font-size:15px;line-height:1.9}
.accordion-content p:last-child{margin-bottom:0}

/* cta bar */
.cta-bar{
  background:var(--c-primary-deep);color:#fff;border-radius:16px;
  padding:34px 38px;display:flex;align-items:center;justify-content:space-between;
  gap:26px;flex-wrap:wrap;
}
.cta-bar h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-bar p{font-size:15px;line-height:1.8;color:rgba(244,242,237,.76);max-width:600px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:#F4F2ED;margin-top:20px}
.footer-top-line{height:24px;background:var(--c-accent)}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:52px 0 40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-sub{color:rgba(244,242,237,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(244,242,237,.68);margin-top:16px;max-width:330px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:rgba(244,242,237,.5);margin-bottom:14px}
.footer-col li a{display:inline-block;padding:6px 0;font-size:14px;color:rgba(244,242,237,.86)}
.footer-col li a:hover{color:var(--c-accent)}
.footer-col .meta-line{font-size:14px;line-height:1.85;color:rgba(244,242,237,.7)}
.footer-bottom{
  border-top:1px solid rgba(244,242,237,.14);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(244,242,237,.55)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:rgba(244,242,237,.55)}
.footer-links a:hover{color:var(--c-accent)}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .mega-panel{width:540px}
}
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .burger{display:block}
  .header-actions .btn{display:none}
  .page-main{padding:48px 0 64px}
  .section-block{margin-bottom:48px}
  .anchor-nav{
    position:static;border-left:0;border-bottom:1px solid var(--c-line);
    padding:0 0 14px;margin-bottom:30px;
    display:flex;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;
  }
  .anchor-nav h3{display:none}
  .anchor-nav a{
    flex:0 0 auto;padding:8px 15px;border-radius:999px;font-size:14px;
    background:var(--c-surface);border:1px solid var(--c-line);white-space:nowrap;
  }
  .anchor-nav a.is-current{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary)}
  .anchor-nav a.is-current::before{display:none}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:32px 26px;gap:24px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid rgba(244,242,237,.18);padding-top:22px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px}
  .page-hero{min-height:0;padding:40px 0 38px}
  .page-hero .lead{font-size:15.5px}
  .feature-grid{grid-template-columns:1fr}
  .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-bar .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  .stat-band{grid-template-columns:1fr;padding:28px 22px}
  .stat-item + .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(244,242,237,.18);padding-top:20px}
  .feature-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#12352C;
  --c-primary-deep:#0B241E;
  --c-primary-soft:#E7EFEA;
  --c-accent:#B9E24C;
  --c-accent-ink:#16301F;
  --c-bg:#F4F2ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D6;
  --c-ink:#1B1F1D;
  --c-muted:#6E7A73;
  --sh-1:0 1px 2px rgba(15,21,18,.05);
  --sh-2:0 14px 36px rgba(15,21,18,.08);
  --r-card:14px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:10px;
  --wrap:1240px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"IBM Plex Sans",Inter,system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.28;color:var(--c-ink)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  line-height:1.2;transition:background .24s var(--ease),color .24s var(--ease),
  border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn svg{transition:transform .24s var(--ease)}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}
.btn-primary:hover{background:#AAD63A;border-color:#AAD63A;box-shadow:var(--sh-1)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.btn-line{background:transparent;color:#EFEDE6;border-color:rgba(239,237,230,.5)}
.btn-line:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary)}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;background:var(--c-primary-soft);
  color:var(--c-primary);line-height:1.5;
}
.badge-accent{background:var(--c-accent);color:var(--c-accent-ink)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(244,242,237,.94);
  border-bottom:1px solid var(--c-line);backdrop-filter:saturate(140%) blur(10px);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .3s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);
  display:grid;place-items:center;flex-shrink:0;
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:block;font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-primary);line-height:1.2}
.logo-sub{display:block;font-family:var(--font-num);font-size:10px;letter-spacing:.16em;color:var(--c-muted);line-height:1.4}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:9px;
  font-size:15px;color:#3A4741;transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:9px 13px;border-radius:9px;
  font-size:15px;color:#3A4741;transition:background .24s var(--ease),color .24s var(--ease);
}
.mega-trigger svg{transition:transform .24s var(--ease)}
.mega-wrap:hover .mega-trigger,.mega-wrap:focus-within .mega-trigger{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:underline;text-underline-offset:5px}
.mega-wrap:hover .mega-trigger svg,.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:620px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:22px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.mega-col h5{font-size:13px;letter-spacing:.06em;color:var(--c-muted);font-weight:700;margin-bottom:10px}
.mega-item{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;transition:background .24s var(--ease)}
.mega-item:hover{background:var(--c-primary-soft)}
.mega-ico{
  width:26px;height:26px;border-radius:8px;background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;flex-shrink:0;margin-top:2px;
}
.mega-ico svg{width:14px;height:14px}
.mega-item b{display:block;font-size:14px;font-weight:700;color:var(--c-ink);line-height:1.5}
.mega-item span{display:block;font-size:12.5px;color:var(--c-muted);line-height:1.6}
.mega-post{display:block;padding:9px 10px;border-radius:10px;transition:background .24s var(--ease)}
.mega-post:hover{background:var(--c-primary-soft)}
.mega-post b{display:block;font-size:14px;font-weight:700;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-post time{display:block;font-size:12px;color:var(--c-muted);margin-top:4px;font-variant-numeric:tabular-nums}
.mega-cta{
  display:flex;align-items:center;gap:14px;margin-top:18px;padding:12px 14px;
  border:1px solid var(--c-line);border-radius:12px;background:#FAF9F6;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mega-cta:hover{border-color:var(--c-primary);box-shadow:var(--sh-1)}
.mega-cta img{width:74px;height:48px;object-fit:cover;border-radius:10px}
.mega-cta b{display:block;font-size:14px;font-weight:700;color:var(--c-ink)}
.mega-cta span{display:block;font-size:12.5px;color:var(--c-muted)}
.mega-cta .arrow{margin-left:auto;color:var(--c-primary);transition:transform .24s var(--ease)}
.mega-cta:hover .arrow{transform:translateX(4px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  place-items:center;background:var(--c-surface);
}
.nav-toggle svg{width:18px;height:18px}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(11,36,30,.52);opacity:0;transition:opacity .3s var(--ease)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,370px);background:var(--c-surface);
  transform:translateX(100%);transition:transform .34s var(--ease);
  padding:18px 18px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh-2);
}
.mobile-drawer.is-open{pointer-events:auto}
.mobile-drawer.is-open .drawer-mask{opacity:1}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--c-muted);font-weight:700}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);font-size:20px;line-height:1;display:grid;place-items:center;color:var(--c-muted)}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav > a{
  display:block;padding:12px 14px;border-radius:10px;font-size:16px;font-weight:700;color:var(--c-ink);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.drawer-nav > a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-nav > a.is-active{background:var(--c-primary-soft);color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent)}
.drawer-sub{display:flex;flex-direction:column;gap:2px;margin:2px 0 8px 14px;border-left:1px solid var(--c-line);padding-left:12px}
.drawer-sub a{display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--c-muted);transition:color .24s var(--ease),background .24s var(--ease)}
.drawer-sub a:hover{color:var(--c-primary);background:var(--c-primary-soft)}

/* ---------- 页头 ---------- */
.page-head{padding:44px 0 28px;border-bottom:1px solid var(--c-line)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:18px}
.breadcrumb a{color:var(--c-muted);transition:color .24s var(--ease)}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:#B9B3A6}
.breadcrumb .current{color:#9AA39D}
.page-head h1{font-size:clamp(32px,4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.16}
.update-line{margin:16px 0 0;font-size:14px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.update-line .dot{margin:0 10px;color:#C6C0B3}

/* ---------- 主内容布局 ---------- */
.layout{padding:56px 0 0}
.article-body{max-width:760px}
.article-body .lead{font-size:18px;line-height:1.8;color:#3A4741;margin-bottom:26px}
.article-body h2{
  position:relative;font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.25;
  margin:52px 0 18px;padding-left:18px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:.92em;
  background:var(--c-accent);border-radius:2px;
}
.article-body h3{font-size:20px;margin:30px 0 12px}
.article-body p{font-size:16px;line-height:1.9;color:#2B3330;margin:0 0 20px}
.article-body ul.plain li{position:relative;padding-left:20px;margin-bottom:12px;font-size:16px;line-height:1.85;color:#2B3330}
.article-body ul.plain li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.notice{
  border-left:3px solid var(--c-primary);background:var(--c-primary-soft);
  border-radius:0 12px 12px 0;padding:18px 22px;margin:0 0 24px;
}
.notice p{margin:0;font-size:15.5px;line-height:1.85;color:#22322C}

/* 检查点列表 */
.check-list{counter-reset:ck;margin:0 0 28px}
.check-list li{
  counter-increment:ck;position:relative;padding:20px 24px 20px 84px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:12px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3)}
.check-list li::before{
  content:counter(ck,decimal-leading-zero);position:absolute;left:22px;top:20px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:18px;font-weight:800;
  background:var(--c-accent);color:var(--c-accent-ink);border-radius:8px;padding:3px 9px;line-height:1.4;
}
.check-list b{display:block;font-size:17px;font-weight:700;margin-bottom:6px}
.check-list span{display:block;font-size:15px;line-height:1.85;color:#3A4741}

/* 对照表 */
.cmp-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);margin-bottom:28px}
table.cmp{width:100%;border-collapse:collapse;min-width:660px}
table.cmp caption{text-align:left;padding:16px 20px 0;font-size:13px;color:var(--c-muted)}
table.cmp th{
  background:var(--c-primary-soft);text-align:left;font-size:14px;font-weight:700;
  color:var(--c-primary);padding:14px 20px;white-space:nowrap;
}
table.cmp td{padding:15px 20px;border-top:1px solid var(--c-line);font-size:15px;line-height:1.75;color:#2B3330;vertical-align:top}
table.cmp tbody tr{transition:background .2s var(--ease)}
table.cmp tbody tr:hover{background:#FAF9F6}
table.cmp td:first-child{font-weight:700;color:var(--c-ink)}

/* 三步流程 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:8px 0 30px}
.flow-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,53,44,.3)}
.flow-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft)}
.flow-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease)}
.flow-card:hover .thumb img{transform:scale(1.03)}
.flow-card .num{
  position:absolute;left:12px;top:12px;background:var(--c-accent);color:var(--c-accent-ink);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:800;font-size:14px;
  padding:4px 10px;border-radius:999px;
}
.flow-card .body{padding:18px 20px 22px}
.flow-card h3{font-size:17px;margin:0 0 8px}
.flow-card p{font-size:14.5px;line-height:1.8;color:#3A4741;margin:0}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.toc{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px}
.toc h4{font-size:13px;letter-spacing:.06em;color:var(--c-muted);margin-bottom:12px;font-weight:700}
.toc a{
  display:block;padding:9px 12px;font-size:14px;color:var(--c-muted);line-height:1.6;
  border-left:2px solid var(--c-line);transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-accent);background:linear-gradient(90deg,rgba(185,226,76,.14),transparent)}
.toc a.is-current{color:var(--c-primary);font-weight:700;border-left-color:var(--c-accent);background:linear-gradient(90deg,rgba(185,226,76,.16),transparent)}
.side-box{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px}
.side-box h4{font-size:15px;margin-bottom:12px}
.side-box .rel a{
  display:block;padding:11px 0;font-size:14.5px;line-height:1.6;color:#2B3330;
  border-bottom:1px dashed var(--c-line);transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.side-box .rel a:last-child{border-bottom:0}
.side-box .rel a:hover{color:var(--c-primary);padding-left:4px}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0 0}
.faq-section h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.01em}
.section-note{margin-top:12px;font-size:14px;line-height:1.8;color:var(--c-muted)}
.faq-acc{border:0;background:transparent;margin:0}
.faq-acc .accordion-item{
  border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);
  margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-acc .accordion-item:hover{border-color:rgba(18,53,44,.3)}
.faq-acc .accordion-item.is-active{box-shadow:var(--sh-1);border-color:rgba(18,53,44,.35)}
.faq-acc .accordion-title{
  position:relative;display:block;padding:18px 62px 18px 22px;font-size:17px;font-weight:700;
  color:var(--c-ink);background:transparent;border:0;line-height:1.5;
}
.faq-acc .accordion-title:hover{color:var(--c-primary)}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;line-height:26px;text-align:center;border:1px solid var(--c-line);
  border-radius:50%;font-size:17px;font-weight:400;color:var(--c-primary);margin:0;
  transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.faq-acc .accordion-item.is-active > .accordion-title::before{
  content:"+";transform:translateY(-50%) rotate(45deg);background:var(--c-accent);
  border-color:var(--c-accent);color:var(--c-accent-ink);
}
.faq-acc .accordion-content{
  display:none;padding:0 22px 20px;border-top:1px solid var(--c-line);background:transparent;
  font-size:15px;line-height:1.9;color:#3A4741;margin:0;
}
.faq-acc .accordion-content p:last-child{margin-bottom:0}
.faq-acc .accordion-item.is-active > .accordion-content{display:block}
html.no-js .faq-acc .accordion-content{display:block}
html.no-js .faq-acc .accordion-title::before{display:none}

/* ---------- CTA 卡 ---------- */
.cta-card{
  margin:88px auto 0;max-width:var(--wrap);
  background:var(--c-surface);border:1px solid var(--c-primary);border-radius:var(--r-card);
  padding:34px 36px;display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
}
.cta-card h2{font-size:clamp(22px,2.2vw,28px);margin:12px 0 10px;letter-spacing:-.01em}
.cta-card p{font-size:15px;line-height:1.85;color:var(--c-muted);margin:0}
.cta-form{display:flex;flex-direction:column;gap:10px}
.cta-form .field-row{display:flex;gap:10px}
.cta-form input{
  flex:1;min-width:0;padding:13px 16px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:var(--c-bg);color:var(--c-ink);transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.cta-form input::placeholder{color:#9AA39D}
.cta-form input:focus{outline:none;background:var(--c-surface);border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-accent)}
.form-note{font-size:12px;line-height:1.6;color:var(--c-muted);margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#EFEDE6;margin-top:96px}
.footer-top-line{height:24px;background:var(--c-accent)}
.site-footer .wrap{padding-top:56px;padding-bottom:0}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.site-footer .logo-text{color:#F6F5F0}
.site-footer .logo-sub{color:rgba(239,237,230,.5)}
.site-footer .logo-mark{background:rgba(255,255,255,.08)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(239,237,230,.72);margin:0;max-width:340px}
.footer-col h4{font-size:14px;color:#F6F5F0;margin-bottom:14px;font-weight:700;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(239,237,230,.72);transition:color .24s var(--ease),padding-left .24s var(--ease)}
.footer-col ul a:hover{color:var(--c-accent);padding-left:4px}
.footer-col .meta-line{font-size:13.5px;line-height:1.85;color:rgba(239,237,230,.66);margin:0}
.footer-bottom{
  border-top:1px solid rgba(239,237,230,.14);padding:18px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(239,237,230,.55);margin:0}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:rgba(239,237,230,.55);transition:color .24s var(--ease)}
.footer-links a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:30px}
  .footer-main .footer-col:last-child{grid-column:span 3}
}
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .mega-wrap{display:none}
  .header-inner{gap:16px}
  .article-body{max-width:none}
  .side-sticky{position:static;margin-top:34px}
  .layout{padding-top:40px}
  .cta-card{grid-template-columns:1fr;padding:28px 24px;gap:22px;margin-top:64px}
  .faq-section{padding-top:64px}
}
@media screen and (max-width:860px){
  .flow{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:26px}
  .footer-main .footer-col:last-child{grid-column:span 2}
}
@media screen and (max-width:640px){
  .wrap{padding:0 16px}
  .header-right .btn-primary{display:none}
  .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:56px}
  .page-head{padding:28px 0 20px}
  .article-body h2{margin-top:40px}
  .check-list li{padding:18px 18px 18px 18px}
  .check-list li::before{position:static;display:inline-block;margin-bottom:10px}
  .cta-form .field-row{flex-direction:column}
  .footer-main{grid-template-columns:1fr}
  .footer-main .footer-col:last-child{grid-column:span 1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-card{margin-top:48px}
  .faq-section{padding-top:48px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}
html{scroll-behavior:smooth}