/* roulang page: index */
:root{
  --brand:#E2552F;
  --brand-2:#B93E1E;
  --accent:#F2A93B;
  --pine:#17605C;
  --pine-2:#0F4744;
  --bg:#FBF7F2;
  --bg-2:#F3EDE6;
  --surface:#FFFFFF;
  --text:#1E1B18;
  --text-2:#5C554E;
  --text-3:#8B837A;
  --line:#E7DFD6;
  --focus:rgba(226,85,47,.28);
  --grad-brand:linear-gradient(135deg,#E2552F 0%,#F0773F 45%,#F2A93B 100%);
  --grad-data:linear-gradient(135deg,#17605C 0%,#2E8C86 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --sh-sm:0 2px 8px rgba(30,27,24,.06);
  --sh-md:0 10px 30px rgba(30,27,24,.08);
  --sh-lg:0 24px 60px rgba(30,27,24,.12);
  --container:1200px;
  --nav-h:72px;
}
@media (min-width:1440px){:root{--container:1280px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-2)}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.sec-title{font-size:clamp(24px,3.2vw,36px)}
.sec-sub{margin-top:12px;font-size:17px;color:var(--text-2);max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand)}
.lead{font-size:17.5px;color:var(--text-2);line-height:1.8}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);padding-bottom:2px;position:relative}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .28s ease}
.link-more:hover::after{width:100%}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;font-size:15px;padding:14px 28px;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .2s ease,box-shadow .28s ease,background-color .25s ease,color .25s ease,border-color .25s ease,background-position .35s ease}
.btn-primary{background-image:var(--grad-brand);background-size:150% 150%;background-position:0 50%;color:#fff;box-shadow:0 10px 30px rgba(226,85,47,.28)}
.btn-primary:hover{background-position:25% 50%;box-shadow:0 18px 42px rgba(226,85,47,.34);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98);background-color:var(--brand-2)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(226,85,47,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--brand);box-shadow:var(--sh-md)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;height:var(--nav-h);
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(30,27,24,.08);
  box-shadow:0 8px 30px rgba(30,27,24,.08);
  transition:height .25s ease,background-color .25s ease,box-shadow .25s ease;}
.site-header.scrolled{height:64px;background:rgba(251,247,242,.96);box-shadow:0 10px 30px rgba(30,27,24,.12)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:.04em;color:var(--text)}
.logo-mark{width:34px;height:34px;border-radius:11px;background-image:var(--grad-brand);display:grid;place-items:center;box-shadow:var(--sh-sm);flex:0 0 34px}
.logo-mark svg{width:19px;height:19px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.logo-text{line-height:1}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--brand);transition:width .26s ease}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:18px}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{width:22px}
.nav-actions{display:flex;align-items:center;gap:14px}
.icon-btn{width:42px;height:42px;border-radius:999px;border:1.5px solid var(--line);display:grid;place-items:center;color:var(--text-2);transition:all .22s ease}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:rgba(226,85,47,.06)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{position:fixed;inset:0;z-index:110;background:#fff;padding:96px 24px 32px;transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);display:none;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin-bottom:8px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link span{color:var(--brand);font-size:18px}
.drawer-cta{margin-top:28px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:154px 0 76px;background:var(--bg)}
.hero::before{content:"";position:absolute;top:-260px;right:-180px;width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,59,.20) 0%,rgba(242,169,59,0) 68%);pointer-events:none}
.hero::after{content:"";position:absolute;left:-240px;bottom:-300px;width:680px;height:680px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,96,92,.16) 0%,rgba(23,96,92,0) 70%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,55fr) minmax(0,45fr);gap:56px;align-items:center;min-height:62vh}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--pine);background:rgba(23,96,92,.08);border:1px solid rgba(23,96,92,.16);border-radius:999px;padding:6px 14px}
.pill-warm{color:var(--brand-2);background:rgba(242,169,59,.16);border-color:rgba(226,85,47,.2)}
.hero h1{font-size:clamp(30px,5vw,56px);font-weight:900;line-height:1.12;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:17.5px;color:var(--text-2);max-width:560px;line-height:1.78}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-visual{position:relative;border-radius:var(--r-xl);background-image:var(--grad-brand);padding:14px;box-shadow:var(--sh-lg)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:18px;background:var(--bg-2)}
.hero-badge{position:absolute;top:-18px;right:-10px;background-image:var(--grad-data);color:#fff;border-radius:999px;padding:11px 20px;font-size:13px;font-weight:700;box-shadow:var(--sh-md);display:flex;align-items:center;gap:8px}
.hero-badge b{font-size:18px;font-variant-numeric:tabular-nums}
.hero-note{margin-top:16px;font-size:14px;color:var(--text-3)}

/* ---------- stats ---------- */
.stats-band{background:var(--bg-2);padding:36px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:16px 24px;display:flex;align-items:center;gap:14px;box-shadow:var(--sh-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.28)}
.stat-num{font-size:23px;font-weight:800;font-variant-numeric:tabular-nums;background-image:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.stat-label{font-size:14px;color:var(--text-2);line-height:1.5}

/* ---------- story ---------- */
.story-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center}
.story-row + .story-row{margin-top:76px}
.story-row.reverse .story-media{order:2}
.story-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-md);background:var(--bg-2);transition:transform .35s ease}
.story-media:hover img{transform:scale(1.02)}
.story-body h3{font-size:22px;margin-bottom:14px}
.story-body p{color:var(--text-2);margin-bottom:14px}
.story-list{margin-top:18px;display:grid;gap:10px}
.story-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2)}
.story-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;background-image:var(--grad-brand)}

/* ---------- capability ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.cap-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;display:flex;flex-direction:column}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.22)}
.cap-main{grid-column:span 8;grid-row:span 2}
.cap-side{grid-column:span 4}
.cap-main img{width:100%;aspect-ratio:16/8;object-fit:cover;background:var(--bg-2)}
.cap-body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1}
.cap-body h3{font-size:20px}
.cap-body p{font-size:15px;color:var(--text-2)}
.cap-points{display:grid;gap:10px;margin-top:4px}
.cap-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2);align-items:flex-start}
.cap-points li svg{width:18px;height:18px;flex:0 0 18px;margin-top:5px;stroke:var(--brand);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cap-icon{width:46px;height:46px;border-radius:14px;background:rgba(23,96,92,.08);display:grid;place-items:center;color:var(--pine)}
.cap-icon svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cap-side .cap-body{padding:24px}

/* ---------- featured content ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;display:flex;flex-direction:column}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.22)}
.feat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-2);transition:transform .35s ease}
.feat-card:hover img{transform:scale(1.03)}
.feat-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.feat-body h3{font-size:19px}
.feat-body p{font-size:15px;color:var(--text-2)}
.feat-wide{grid-column:span 2;flex-direction:row}
.feat-wide .feat-media{flex:0 0 46%;overflow:hidden}
.feat-wide .feat-media img{height:100%;aspect-ratio:auto;min-height:260px}
.tag{display:inline-flex;align-items:center;font-size:13px;font-weight:600;border-radius:999px;padding:5px 13px;background:var(--bg-2);color:var(--text-2);border:1px solid var(--line);align-self:flex-start}
.tag-warm{background:rgba(242,169,59,.18);color:var(--brand-2);border-color:rgba(226,85,47,.2)}
.tag-cool{background:rgba(23,96,92,.1);color:var(--pine);border-color:rgba(23,96,92,.2)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.22)}
.news-link{display:flex;flex-direction:column;gap:12px;padding:26px;height:100%}
.news-link h3{font-size:18px;line-height:1.5;transition:color .2s ease}
.news-card:hover h3{color:var(--brand)}
.news-link p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3)}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-xl);padding:64px 24px;text-align:center;display:grid;gap:16px;justify-items:center}
.empty-icon{width:60px;height:60px;border-radius:20px;background:var(--bg-2);display:grid;place-items:center;color:var(--text-3)}
.empty-icon svg{width:26px;height:26px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--text-2);font-size:16px}

/* ---------- trust ---------- */
.trust{background-image:var(--grad-data);color:#fff;position:relative;overflow:hidden}
.trust::after{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.12),rgba(255,255,255,0) 70%)}
.trust .eyebrow{color:#F2A93B}
.trust .eyebrow::before{background:#F2A93B}
.trust .sec-sub{color:rgba(255,255,255,.78)}
.trust-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:56px}
.trust-tile{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);height:86px;display:grid;place-items:center;font-weight:700;font-size:15px;color:rgba(255,255,255,.72);transition:all .25s ease}
.trust-tile:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-3px)}
.quote-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quote-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-lg);padding:26px;backdrop-filter:blur(6px)}
.quote-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.quote-avatar{width:56px;height:56px;border-radius:999px;background-image:var(--grad-brand);display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;flex:0 0 56px}
.quote-name{font-weight:700;font-size:15px}
.quote-role{font-size:13.5px;color:rgba(255,255,255,.7)}
.quote-card p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.8}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:rgba(226,85,47,.28);box-shadow:var(--sh-md)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;position:relative}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform .28s ease;flex:0 0 auto}
.faq-item[open] .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px 27px;position:relative;font-size:15px;color:var(--text-2);line-height:1.8;border-left:3px solid transparent}
.faq-item[open] .faq-a{border-left-color:var(--brand);margin-left:0}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background-image:var(--grad-brand);color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.16;mix-blend-mode:overlay}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);color:#fff}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.86);font-size:16px}
.cta-form{display:flex;gap:0;background:#fff;border-radius:999px;padding:6px;box-shadow:var(--sh-lg)}
.cta-form input{flex:1;min-width:0;border:0;background:transparent;padding:12px 20px;font-size:15px;border-radius:999px}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;box-shadow:0 0 0 3px var(--focus)}
.cta-form button{flex:0 0 auto}
.cta-note{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.8)}
.cta-note a{text-decoration:underline;text-underline-offset:3px}

/* ---------- footer ---------- */
.site-footer{background:#1E1B18;color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:19px;letter-spacing:.04em;margin-bottom:16px}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.8;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13.5px;color:rgba(255,255,255,.55)}
.to-top{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:9px 18px;transition:all .22s ease}
.to-top:hover{color:#fff;border-color:var(--accent);background:rgba(242,169,59,.14)}
.to-top svg{width:15px;height:15px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .mobile-drawer{display:block}
  .section{padding:64px 0}
  .hero{padding:132px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:44px;min-height:auto}
  .hero-visual{max-width:560px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cap-main{grid-column:span 12;grid-row:auto}
  .cap-side{grid-column:span 6}
  .feat-wide{grid-column:span 2;flex-direction:column}
  .feat-wide .feat-media{flex:1 1 auto}
  .feat-wide .feat-media img{aspect-ratio:16/9;min-height:0;height:auto}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .quote-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.72}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .story-row{grid-template-columns:1fr;gap:28px}
  .story-row.reverse .story-media{order:0}
  .story-row + .story-row{margin-top:52px}
  .stats-grid{grid-template-columns:1fr}
  .cap-side{grid-column:span 12}
  .feat-grid{grid-template-columns:1fr}
  .feat-wide{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a{padding:0 18px 20px 21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .hero{padding:118px 0 48px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .cap-body{padding:20px}
  .feat-body{padding:20px}
  .news-link{padding:20px}
  .cta-form{flex-direction:column;border-radius:24px;padding:10px;gap:10px}
  .cta-form input{padding:12px 16px;background:var(--bg-2)}
  .cta-form button{width:100%}
  .quote-card{padding:20px}
}

/* roulang page: article */
:root{
  --brand:#E2552F;
  --brand-2:#B93E1E;
  --accent:#F2A93B;
  --pine:#17605C;
  --pine-2:#0F4744;
  --bg:#FBF7F2;
  --bg-2:#F3EDE6;
  --surface:#FFFFFF;
  --text:#1E1B18;
  --text-2:#5C554E;
  --text-3:#8B837A;
  --line:#E7DFD6;
  --grad-brand:linear-gradient(135deg,#E2552F 0%,#F0773F 45%,#F2A93B 100%);
  --grad-data:linear-gradient(135deg,#17605C 0%,#2E8C86 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(30,27,24,.06);
  --sh-md:0 10px 30px rgba(30,27,24,.08);
  --sh-lg:0 24px 60px rgba(30,27,24,.12);
  --focus:0 0 0 4px rgba(226,85,47,.28);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.25}
svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(30,27,24,.08);
  box-shadow:0 8px 30px rgba(30,27,24,.08);
  transition:background .28s ease,box-shadow .28s ease,height .28s ease;
}
.site-header.scrolled{
  background:rgba(251,247,242,.96);
  box-shadow:0 10px 26px rgba(30,27,24,.12);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height .28s ease;
}
.site-header.scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;letter-spacing:.02em;color:var(--text);flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
}
.logo-mark svg{width:19px;height:19px;stroke-width:2}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--brand);transform:scaleX(0);
  transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.7);
  color:var(--text-2);display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand);border-color:rgba(226,85,47,.4);background:#fff;transform:translateY(-1px)}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text)}
.menu-btn svg{width:20px;height:20px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:700;
  padding:13px 26px;min-height:44px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;border:1.5px solid transparent;
}
.btn-primary{background:var(--grad-brand);background-size:140% 140%;color:#fff;box-shadow:var(--sh-md)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);background-position:100% 0}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(226,85,47,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98);border-color:var(--brand-2);color:var(--brand-2)}
.btn-light{background:#fff;color:var(--pine);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-light:hover{border-color:rgba(23,96,92,.35);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px;
  padding-bottom:2px;border-bottom:2px solid transparent;transition:border-color .24s ease,color .2s ease;
}
.text-link::after{content:"→";font-weight:700;transition:transform .22s ease}
.text-link:hover{border-color:var(--brand);color:var(--brand-2)}
.text-link:hover::after{transform:translateX(4px)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:64px 0 0 0;z-index:110;background:#fff;
  padding:18px 20px 32px;display:none;overflow-y:auto;
}
.drawer.open{display:block}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:600;color:var(--text);
  height:56px;border-bottom:1px solid var(--line);
}
.drawer a::after{content:"›";color:var(--text-3);font-size:22px;font-weight:400}
.drawer a.active{color:var(--brand)}
.drawer .drawer-cta{margin-top:22px}
.drawer .drawer-cta a{border-bottom:none;justify-content:center;color:#fff}

/* ============ 文章页头 ============ */
.article-top{
  position:relative;
  padding:132px 0 40px;
  background:
    radial-gradient(620px 380px at 88% -10%,rgba(242,169,59,.16),transparent 70%),
    radial-gradient(520px 340px at 2% 100%,rgba(23,96,92,.10),transparent 70%),
    var(--bg);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2);transition:color .2s ease}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{color:#C9C0B6}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:700;
  background:rgba(23,96,92,.09);color:var(--pine);border:1px solid rgba(23,96,92,.16);
}
.tag-accent{background:rgba(242,169,59,.16);color:#8A5A0B;border-color:rgba(242,169,59,.3)}
.tag-brand{background:rgba(226,85,47,.1);color:var(--brand-2);border-color:rgba(226,85,47,.22)}
.article-title{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:900;line-height:1.2;max-width:900px;letter-spacing:-.015em;
}
.article-deck{
  max-width:820px;margin-top:18px;font-size:17.5px;color:var(--text-2);line-height:1.75;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  margin-top:26px;font-size:14px;color:var(--text-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CFC6BC}
.meta-row strong{color:var(--text-2);font-weight:700}

/* ============ 文章布局 ============ */
.article-shell{padding:16px 0 88px;background:var(--bg)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,740px) 296px;
  gap:60px;justify-content:center;align-items:start;
}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:38px 42px;
}
.cover-figure{margin:0 0 26px}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;background:var(--bg-2)}
.cover-figure figcaption{font-size:14px;color:var(--text-3);margin-top:10px;text-align:center}

.article-body{max-width:740px;font-size:16.5px;line-height:1.78;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);margin:48px 0 16px;padding-left:14px;
  border-left:4px solid var(--brand);line-height:1.35;
}
.article-body h3{font-size:20px;margin:36px 0 12px;font-weight:800}
.article-body h4{font-size:17px;margin:26px 0 10px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.3em;list-style:revert}
.article-body li{margin:8px 0;line-height:1.8}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-2)}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;background:var(--bg-2);
  border-left:4px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-style:normal;
}
.article-body img{border-radius:16px;margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:14px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}
.article-body pre{
  background:#1E1B18;color:#F3EDE6;padding:18px 20px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:14.5px;line-height:1.7;margin:0 0 1.4em;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14.5px;
  background:var(--bg-2);padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-2);font-weight:700}

.empty-state{
  text-align:center;padding:32px 12px 12px;color:var(--text-2);
}
.empty-state .empty-mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:var(--bg-2);color:var(--pine);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-mark svg{width:28px;height:28px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{margin-bottom:22px;font-size:15.5px;line-height:1.8}

/* 侧栏 */
.article-aside{position:sticky;top:96px;display:grid;gap:20px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 18px;box-shadow:var(--sh-sm);
}
.aside-card h3{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad-brand)}
.aside-card ol{counter-reset:oc;padding:0;margin:0;list-style:none}
.aside-card ol li{
  counter-increment:oc;display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);
}
.aside-card ol li:last-child{border-bottom:none}
.aside-card ol li::before{
  content:counter(oc,decimal-leading-zero);font-size:12px;font-weight:800;
  color:var(--brand);flex:0 0 auto;padding-top:3px;font-variant-numeric:tabular-nums;
}
.aside-card ul li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.aside-card ul li:last-child{border-bottom:none}
.aside-card ul li a{color:var(--text-2);transition:color .2s ease}
.aside-card ul li a:hover{color:var(--brand)}
.aside-data{
  background:var(--grad-data);border:none;color:#EAF6F4;box-shadow:var(--sh-md);
}
.aside-data h3{color:#fff}
.aside-data h3::before{background:#F2A93B}
.aside-data .mini{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.22)}
.aside-data .mini:last-child{border-bottom:none}
.aside-data .mini b{font-variant-numeric:tabular-nums;font-size:16px}

/* 文章页脚延伸 */
.tags-block{margin-top:38px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tags-block .label{font-size:14px;color:var(--text-3);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;color:var(--text-2);
  background:var(--bg-2);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{color:var(--brand);border-color:rgba(226,85,47,.4);background:rgba(226,85,47,.07);transform:translateY(-2px)}

.share-row{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.share-actions{display:flex;gap:10px;flex-wrap:wrap}

.back-entry{
  margin-top:30px;padding:18px 22px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.back-entry p{font-size:15px;color:var(--text-2)}

/* 相关推荐 */
.section{padding:88px 0}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,3.2vw,36px)}
.section-head p{margin-top:10px;color:var(--text-2);font-size:16px;max-width:640px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.article-card-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:box-shadow .26s ease,transform .26s ease,border-color .26s ease;
}
.article-card-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.28)}
.article-card-item .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.article-card-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.article-card-item:hover .thumb img{transform:scale(1.03)}
.article-card-item .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.article-card-item h3{font-size:18px;line-height:1.45;font-weight:800}
.article-card-item h3 a{transition:color .2s ease}
.article-card-item h3 a:hover{color:var(--brand)}
.article-card-item p{font-size:14.5px;color:var(--text-2);line-height:1.7}
.article-card-item .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--text-3)}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.open{border-color:rgba(226,85,47,.34);box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;text-align:left;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand-2)}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--line);position:relative;transition:transform .26s ease,border-color .2s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:background .2s ease;
}
.faq-q .plus::before{left:7px;right:7px;top:50%;height:1.6px;transform:translateY(-50%)}
.faq-q .plus::after{top:7px;bottom:7px;left:50%;width:1.6px;transform:translateX(-50%)}
.faq-item.open .faq-q .plus{transform:rotate(45deg);border-color:var(--brand)}
.faq-item.open .faq-q .plus::before,.faq-item.open .faq-q .plus::after{background:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a .inner{
  padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--text-2);
  border-left:3px solid var(--brand);margin-left:24px;padding-left:18px;
}

/* 订阅 CTA */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);color:#fff;
  padding:52px 48px;display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.92);position:relative;z-index:1;max-width:520px}
.cta-form{position:relative;z-index:1}
.cta-form .field{
  display:flex;align-items:center;gap:8px;background:#fff;border-radius:var(--r-pill);
  padding:6px 6px 6px 22px;box-shadow:var(--sh-md);
}
.cta-form input{
  flex:1;border:none;background:transparent;padding:14px 0;font-size:15px;color:var(--text);min-width:0;
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none}
.cta-form .field:focus-within{box-shadow:var(--focus),var(--sh-md)}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.86)}
.cta-note a{text-decoration:underline;text-decoration-thickness:1.5px}

/* 页脚 */
.site-footer{background:#1E1B18;color:#D9D2CA;padding:66px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;color:#fff;margin-bottom:16px}
.footer-desc{font-size:14.5px;line-height:1.85;color:#A79F97;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col ul li{margin-bottom:11px;font-size:14.5px}
.footer-col ul li a{color:#A79F97;transition:color .2s ease,padding-left .2s ease}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{color:#A79F97;font-size:14.5px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8B837A;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:#D9D2CA;
  border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);padding:9px 18px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top svg{width:16px;height:16px}
.to-top:hover{color:#fff;border-color:var(--accent);transform:translateY(-2px)}

/* 响应式 */
@media (min-width:1440px){:root{--maxw:1280px}}
@media (max-width:1279px){
  .container{max-width:960px}
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:40px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .header-actions .btn-sm{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:42px 32px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-top{padding:118px 0 32px}
  .article-card{padding:26px 20px}
  .article-body{font-size:16px}
  .aside-card{padding:18px}
  .grid-3{grid-template-columns:1fr}
  .article-aside{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .cta-band{padding:34px 22px;border-radius:var(--r-md)}
  .faq-a .inner{margin-left:16px;padding-left:14px;padding-right:18px}
  .faq-q{padding:17px 18px}
}
@media (max-width:519px){
  .article-title{font-size:28px}
  .article-deck{font-size:15.5px}
  .buttons-row{display:grid;gap:12px}
  .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .back-entry{flex-direction:column;align-items:stretch}
  .share-row{flex-direction:column;align-items:stretch}
}

/* roulang page: category1 */
:root{
  --brand:#E2552F;
  --brand-2:#B93E1E;
  --brand-soft:rgba(226,85,47,.08);
  --brand-line:rgba(226,85,47,.20);
  --pine:#17605C;
  --pine-2:#0F4744;
  --pine-soft:rgba(23,96,92,.08);
  --accent:#F2A93B;
  --bg:#FBF7F2;
  --bg-2:#F3EDE6;
  --surface:#FFFFFF;
  --text:#1E1B18;
  --text-2:#5C554E;
  --text-3:#8B837A;
  --line:#E7DFD6;
  --focus:rgba(226,85,47,.28);
  --grad-brand:linear-gradient(135deg,#E2552F 0%,#F0773F 45%,#F2A93B 100%);
  --grad-data:linear-gradient(135deg,#17605C,#2E8C86);
  --r-xl:26px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(30,27,24,.06);
  --sh-2:0 10px 30px rgba(30,27,24,.08);
  --sh-3:0 24px 60px rgba(30,27,24,.12);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:3px;
  border-radius:6px;
}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
strong{font-weight:700;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{
  background-image:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);
  background-size:140% 140%;background-position:0% 50%;
}
.btn-primary:hover{box-shadow:var(--sh-3);background-position:100% 50%;transform:translateY(-2px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.link-text::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .25s ease;
}
.link-text:hover::after{width:100%;}
.link-text svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(30,27,24,.08);
  box-shadow:0 8px 30px rgba(30,27,24,.08);
  transition:background-color .28s ease,box-shadow .28s ease,height .28s ease;
}
.site-header.is-scrolled{
  background:rgba(251,247,242,.96);
  box-shadow:0 8px 26px rgba(30,27,24,.12);
}
.nav-inner{
  height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .28s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:900;letter-spacing:.02em;color:var(--text);
}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--grad-brand);box-shadow:var(--sh-1);flex:none;
}
.logo-mark svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2.5px;border-radius:2px;
  background-image:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.7);color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.icon-btn:hover{border-color:var(--brand-line);color:var(--brand);transform:translateY(-1px);}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;background:rgba(255,255,255,.75);}
.menu-btn svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:2;stroke-linecap:round;}
.drawer{
  display:none;position:fixed;inset:0;z-index:120;background:#fff;
  padding:22px 24px 32px;flex-direction:column;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.drawer-close svg{width:18px;height:18px;stroke:var(--text);fill:none;stroke-width:2;stroke-linecap:round;}
.drawer-nav{flex:1;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:700;line-height:56px;height:56px;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);}
.drawer-nav a svg{width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.drawer-foot{margin-top:20px;}

/* ============ 内页首屏 ============ */
.page-hero{
  position:relative;padding:calc(var(--nav-h) + 56px) 0 72px;
  background:
    radial-gradient(620px 380px at 88% 8%,rgba(242,169,59,.12),transparent 70%),
    radial-gradient(520px 360px at 2% 92%,rgba(23,96,92,.08),transparent 72%),
    var(--bg);
  overflow:hidden;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:#CBBFB2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-2);
  font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.page-hero h1{font-size:clamp(30px,5vw,56px);font-weight:900;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:17px;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--text-2);box-shadow:var(--sh-1);
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-3);background:var(--bg-2);
}
.float-stat{
  position:absolute;right:-8px;bottom:-18px;
  background-image:var(--grad-data);color:#fff;
  border-radius:var(--r-sm);padding:14px 20px;box-shadow:var(--sh-2);
}
.float-stat b{display:block;font-size:22px;font-weight:900;line-height:1.2;}
.float-stat span{font-size:13px;opacity:.88;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}
.kicker{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--pine);text-transform:uppercase;margin-bottom:12px;
}

/* ============ 文档布局：粘性目录 + 正文 ============ */
.doc-layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:52px;align-items:start;
}
.doc-aside{position:sticky;top:104px;}
.doc-aside .aside-title{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--text-3);
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.doc-aside ul li a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;font-size:14px;font-weight:600;color:var(--text-2);
  border-left:3px solid transparent;
}
.doc-aside ul li a:hover{background:var(--bg-2);color:var(--brand);border-left-color:var(--brand-line);}
.doc-aside ul li a.current{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand);}
.doc-aside ul li a b{font-size:12px;color:var(--text-3);font-weight:800;}
.aside-card{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
}
.aside-card h4{font-size:15px;margin-bottom:8px;}
.aside-card p{font-size:14px;color:var(--text-2);margin-bottom:14px;}

.doc-main > section{margin-bottom:72px;}
.doc-main > section:last-child{margin-bottom:0;}
.intro-text p{font-size:17px;color:var(--text-2);margin-bottom:16px;}
.intro-text p:last-child{margin-bottom:0;}
.intro-text strong{color:var(--text);}

/* ============ 方案要点横卡 ============ */
.cap-list{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.cap-card{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.cap-icon{
  width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  background:var(--pine-soft);color:var(--pine);flex:none;
}
.cap-card:nth-child(2n) .cap-icon{background:var(--brand-soft);color:var(--brand);}
.cap-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.cap-body h3{font-size:20px;margin-bottom:8px;}
.cap-body p{color:var(--text-2);font-size:15px;margin-bottom:14px;}
.cap-points{display:flex;flex-wrap:wrap;gap:10px;}
.cap-points li{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--text-2);
  background:var(--bg-2);border-radius:999px;padding:6px 13px;
}
.cap-points li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--pine);
}

/* ============ 流程步骤 ============ */
.flow{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:32px;position:relative;
}
.flow::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(226,85,47,.35),rgba(242,169,59,.35));
  border-radius:2px;
}
.flow-step{position:relative;padding-top:0;}
.flow-num{
  width:52px;height:52px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background-image:var(--grad-brand);color:#fff;font-weight:900;font-size:17px;
  box-shadow:var(--sh-2);position:relative;z-index:1;margin-bottom:18px;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-2);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:linear-gradient(135deg,rgba(226,85,47,.94) 0%,rgba(240,119,63,.92) 48%,rgba(242,169,59,.92) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover,cover;background-position:center,center;
  color:#fff;padding:52px 48px;box-shadow:var(--sh-3);
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:36px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;color:#fff;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);max-width:520px;}
.cta-form{display:flex;gap:10px;background:rgba(255,255,255,.16);padding:8px;border-radius:999px;backdrop-filter:blur(6px);}
.cta-form input{
  flex:1;min-width:0;height:46px;border:0;border-radius:999px;padding:0 20px;
  background:#fff;font-size:15px;color:var(--text);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{outline:none;box-shadow:0 0 0 4px rgba(255,255,255,.45);}
.cta-form button{flex:none;height:46px;padding:0 24px;border-radius:999px;background:#1E1B18;color:#fff;font-weight:700;font-size:15px;transition:transform .2s ease,background-color .2s ease;}
.cta-form button:hover{background:#0F4744;transform:translateY(-1px);}
.cta-note{font-size:13px;color:rgba(255,255,255,.85);margin-top:14px;}
.cta-note a{text-decoration:underline;text-underline-offset:3px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-line);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px 20px 26px;font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:none;width:16px;height:16px;
  background:
    linear-gradient(currentColor,currentColor) center/16px 1.8px no-repeat,
    linear-gradient(currentColor,currentColor) center/1.8px 16px no-repeat;
  color:var(--brand);transition:transform .28s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open]{border-left:3px solid var(--brand);}
.faq-answer{padding:0 26px 22px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ============ 双入口 ============ */
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:30px;}
.next-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:26px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--brand-line);}
.next-card .tag{
  align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.08em;
  color:var(--pine);background:var(--pine-soft);border-radius:999px;padding:5px 12px;
}
.next-card h3{font-size:20px;margin:14px 0 8px;}
.next-card p{font-size:14px;color:var(--text-2);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{font-size:14px;color:var(--text-2);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;font-weight:700;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{color:var(--brand);border-color:var(--brand-line);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
  .doc-layout{grid-template-columns:220px minmax(0,1fr);gap:40px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{aspect-ratio:16/9;}
  .float-stat{right:12px;bottom:-16px;}
  .doc-layout{grid-template-columns:1fr;gap:0;}
  .doc-aside{display:none;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .flow::before{display:none;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15px;line-height:1.7;}
  .nav-actions .btn-primary{display:none;}
  .page-hero{padding:calc(var(--nav-h) + 34px) 0 52px;}
  .section{padding:56px 0;}
  .cap-card{grid-template-columns:1fr;gap:16px;padding:22px;}
  .flow{grid-template-columns:1fr;}
  .next-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-desc{max-width:none;}
  .cta-band{padding:34px 22px;}
  .cta-form{flex-direction:column;border-radius:20px;background:rgba(255,255,255,.2);}
  .cta-form input,.cta-form button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .cap-list{gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:18px 16px 18px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand:#E2552F;
  --brand-dark:#B93E1E;
  --brand-2:#17605C;
  --brand-2-dark:#0F4744;
  --accent:#F2A93B;
  --bg:#FBF7F2;
  --bg-2:#F3EDE6;
  --surface:#FFFFFF;
  --text:#1E1B18;
  --text-2:#5C554E;
  --text-3:#8B837A;
  --line:#E7DFD6;
  --focus:rgba(226,85,47,.28);
  --grad-brand:linear-gradient(135deg,#E2552F 0%,#F0773F 45%,#F2A93B 100%);
  --grad-data:linear-gradient(135deg,#17605C,#2E8C86);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(30,27,24,.06);
  --sh-md:0 10px 30px rgba(30,27,24,.08);
  --sh-lg:0 24px 60px rgba(30,27,24,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
h1{font-size:clamp(30px,5vw,56px);font-weight:900}
h2{font-size:clamp(24px,3.2vw,36px)}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-2);text-transform:uppercase;margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-head p{margin-top:14px;font-size:17px;color:var(--text-2)}
.muted{color:var(--text-3);font-size:14px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:72px;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(30,27,24,.08);
  box-shadow:0 8px 30px rgba(30,27,24,.08);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(251,247,242,.96);
  box-shadow:0 10px 30px rgba(30,27,24,.12);
}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:.01em;color:var(--text)}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;box-shadow:var(--sh-sm);transition:transform .25s ease}
.logo:hover .logo-mark{transform:rotate(-6deg)}
.logo-mark svg{width:18px;height:18px;stroke-width:2}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:8px 0;transition:color .2s ease}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--grad-brand)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:rgba(255,255,255,.7);
  display:grid;place-items:center;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:rgba(226,85,47,.06);transform:translateY(-1px)}
.menu-btn{display:none;width:42px;height:42px;border-radius:var(--r-pill);border:1.5px solid var(--line);background:rgba(255,255,255,.7);place-items:center;color:var(--text)}
.menu-btn svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-position .3s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn svg{width:16px;height:16px;stroke-width:2}
.btn-primary{background-image:var(--grad-brand);background-size:130% 130%;background-position:0 0;color:#fff;box-shadow:var(--sh-md)}
.btn-primary:hover{box-shadow:var(--sh-lg);background-position:24% 24%;transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(226,85,47,.08);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:var(--sh-sm)}
.btn-light:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);position:relative}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.text-link:hover::after{transform:scaleX(1)}
.text-link svg{width:14px;height:14px;stroke-width:2}

/* ---------- Hero ---------- */
.hero{position:relative;padding:142px 0 84px;background:var(--bg);overflow:hidden}
.hero::before{content:"";position:absolute;top:-200px;right:-180px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(242,169,59,.18),rgba(242,169,59,0) 68%)}
.hero::after{content:"";position:absolute;bottom:-220px;left:-200px;width:580px;height:580px;border-radius:50%;background:radial-gradient(circle,rgba(23,96,92,.12),rgba(23,96,92,0) 70%)}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.08;pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--text-2);font-weight:600}
.hero h1{margin-bottom:20px}
.hero h1 .accent{background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:18px;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.85);border:1px solid var(--line);font-size:13px;color:var(--text-2);box-shadow:var(--sh-sm)}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-lg);background:var(--bg-2);transition:transform .35s ease}
.hero-media:hover img{transform:scale(1.02)}
.float-badge{
  position:absolute;right:-14px;bottom:26px;
  display:flex;flex-direction:column;gap:2px;
  padding:14px 20px;border-radius:var(--r-md);
  background:var(--grad-data);color:#fff;box-shadow:var(--sh-lg);
}
.float-badge strong{font-size:22px;font-weight:900}
.float-badge span{font-size:12px;opacity:.86}

/* ---------- 数据徽章带 ---------- */
.stat-band{padding:0 0 8px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.28)}
.stat-card strong{display:block;font-size:28px;font-weight:900;color:var(--brand-2);font-variant-numeric:tabular-nums}
.stat-card span{display:block;margin-top:6px;font-size:14px;color:var(--text-2)}
.stat-card em{display:block;margin-top:10px;font-size:13px;font-style:normal;color:var(--text-3)}

/* ---------- 筛选标签行 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filter-tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--text-2);
}
.filter-tag.is-current{background-image:var(--grad-brand);border-color:transparent;color:#fff;font-weight:700;box-shadow:var(--sh-sm)}

/* ---------- 资源卡网格 ---------- */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-flow:dense;gap:24px}
.res-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.28)}
.res-card--feature{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden}
.res-card--feature .feature-media{position:relative}
.res-card--feature .feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-2)}
.res-card--feature .feature-body{padding:28px 30px 30px;display:flex;flex-direction:column;gap:14px;flex:1}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:700}
.badge-amber{background:rgba(242,169,59,.18);color:#8a5a08}
.badge-brand{background:rgba(226,85,47,.12);color:var(--brand-dark)}
.badge-teal{background:rgba(23,96,92,.12);color:var(--brand-2-dark)}
.res-card h3{margin-top:12px}
.res-card h3 a{transition:color .2s ease}
.res-card h3 a:hover{color:var(--brand)}
.res-card p{margin-top:10px;font-size:15px;color:var(--text-2)}
.res-card .card-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.res-card--feature h3{font-size:26px;margin-top:0}
.res-card--feature p{font-size:16px}
.feature-points{margin-top:6px;display:grid;gap:10px}
.feature-points li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2)}
.feature-points li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;background:var(--grad-brand)}

/* ---------- 使用须知 ---------- */
.notes-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.notes-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-sm);
}
.notes-list{display:grid;gap:18px}
.notes-list li{display:flex;gap:14px;font-size:15px;color:var(--text-2)}
.notes-list .idx{
  flex:0 0 30px;height:30px;border-radius:10px;background:rgba(23,96,92,.1);color:var(--brand-2-dark);
  display:grid;place-items:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.notes-list strong{display:block;color:var(--text);font-size:15px;margin-bottom:2px}

/* ---------- 支持节奏 ---------- */
.pace{background:var(--grad-data);color:#fff;border-radius:var(--r-lg);padding:48px 40px;position:relative;overflow:hidden}
.pace::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:rgba(255,255,255,.08)}
.pace-head{position:relative;z-index:2;max-width:640px;margin-bottom:34px}
.pace-head h2{color:#fff}
.pace-head p{margin-top:12px;color:rgba(255,255,255,.82);font-size:16px}
.pace-steps{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pace-step{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);padding:22px}
.pace-step b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.16);font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:14px}
.pace-step h3{font-size:17px;color:#fff;margin-bottom:8px}
.pace-step p{font-size:14px;color:rgba(255,255,255,.8)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-sm);box-shadow:var(--sh-sm);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-left-color:var(--brand);box-shadow:var(--sh-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--text);
}
.faq-icon{position:relative;flex:0 0 22px;height:22px;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 带 ---------- */
.cta-band{background-image:var(--grad-brand);padding:64px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.12;mix-blend-mode:overlay}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.cta-copy h2{color:#fff}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.9);font-size:16px;max-width:520px}
.cta-form{display:flex;align-items:center;gap:8px;background:#fff;border-radius:var(--r-pill);padding:7px 7px 7px 22px;box-shadow:var(--sh-lg)}
.cta-form input{flex:1;min-width:0;border:0;background:transparent;height:46px;font-size:15px;color:var(--text);outline:none}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form .btn{flex:0 0 auto}
.cta-note{position:relative;z-index:2;margin-top:18px;font-size:13px;color:rgba(255,255,255,.88)}
.cta-note a{text-decoration:underline;text-underline-offset:3px}

/* ---------- 双入口 ---------- */
.dual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(226,85,47,.28)}
.entry-card b{font-size:17px;color:var(--text)}
.entry-card span{font-size:14px;color:var(--text-2)}
.entry-card .arrow{color:var(--brand);font-weight:800;font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#1E1B18;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);color:#fff;font-size:13px;font-weight:700;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.to-top svg{width:15px;height:15px;stroke-width:2}
.to-top:hover{border-color:var(--accent);background:rgba(242,169,59,.12);transform:translateY(-2px)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:22px 20px 26px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-links{display:grid;gap:4px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:18px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand)}
.drawer-links a svg{width:18px;height:18px;color:var(--text-3)}
.drawer-foot{margin-top:auto;display:grid;gap:12px}
.drawer-close{width:42px;height:42px;border-radius:var(--r-pill);border:1.5px solid var(--line);display:grid;place-items:center;color:var(--text)}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1280px}
}
@media (max-width:1280px){
  .hero{padding:132px 0 72px}
}
@media (max-width:1023px){
  .container{max-width:960px}
  .nav-links{display:none}
  .menu-btn{display:grid}
  .hero{padding:118px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-media img{aspect-ratio:16/9}
  .float-badge{right:16px;bottom:16px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .res-card--feature{grid-column:span 2;grid-row:auto}
  .notes-wrap{grid-template-columns:1fr;gap:32px}
  .pace-steps{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr}
  .dual-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  body{font-size:15px;line-height:1.7}
  .hero{padding:104px 0 52px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .res-grid{grid-template-columns:1fr}
  .res-card--feature{grid-column:span 1}
  .pace{padding:34px 22px}
  .pace-steps{grid-template-columns:1fr}
  .cta-band{padding:52px 0}
  .cta-form{flex-direction:column;border-radius:var(--r-md);padding:14px;align-items:stretch}
  .cta-form input{height:44px;padding:0 6px}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr}
  .res-card{padding:20px}
  .res-card--feature .feature-body{padding:22px 20px 24px}
  .faq-q{padding:18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
  --brand:#E2552F;
  --brand-2:#B93E1E;
  --pine:#17605C;
  --pine-2:#0F4744;
  --accent:#F2A93B;
  --bg:#FBF7F2;
  --bg-2:#F3EDE6;
  --surface:#FFFFFF;
  --text:#1E1B18;
  --text-2:#5C554E;
  --text-3:#8B837A;
  --line:#E7DFD6;
  --focus:rgba(226,85,47,.28);
  --grad-brand:linear-gradient(135deg,#E2552F 0%,#F0773F 45%,#F2A93B 100%);
  --grad-data:linear-gradient(135deg,#17605C 0%,#2E8C86 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(30,27,24,.06);
  --sh-2:0 10px 30px rgba(30,27,24,.08);
  --sh-3:0 24px 60px rgba(30,27,24,.12);
  --nav-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
svg{display:block}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;line-height:1;letter-spacing:.01em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad-brand);background-size:140% 140%;background-position:0 0;color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);background-position:100% 0}
.btn-primary:active{transform:scale(.98);box-shadow:var(--sh-1)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(226,85,47,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--brand-2);box-shadow:var(--sh-2)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-sm{padding:11px 20px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .28s var(--ease)}
.text-link:hover::after{width:100%}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(30,27,24,.08);
  box-shadow:0 8px 30px rgba(30,27,24,.08);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(251,247,242,.96);box-shadow:0 10px 30px rgba(30,27,24,.12)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);transition:height .3s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.02em;color:var(--text)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background-image:var(--grad-brand);box-shadow:var(--sh-1);flex:none;
}
.logo-mark svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:14px}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:6px 0;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background-image:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(.5)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1.5px solid var(--line);background:rgba(255,255,255,.7);color:var(--text-2);
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--line);background:rgba(255,255,255,.75);position:relative}
.burger span{position:absolute;left:12px;right:12px;height:2px;background:var(--text);border-radius:2px;transition:transform .28s var(--ease),opacity .2s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;padding:20px 20px 32px;
  display:flex;flex-direction:column;transform:translateX(100%);opacity:0;visibility:hidden;
  transition:transform .34s var(--ease),opacity .3s var(--ease),visibility .3s;
}
.drawer.open{transform:translateX(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--line);display:grid;place-items:center;color:var(--text-2)}
.drawer-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.drawer-links{margin-top:8px;flex:1}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:700;color:var(--text);min-height:56px;
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand)}
.drawer-link svg{width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.drawer-cta{margin-top:24px}
.drawer-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;padding:calc(var(--nav-h) + 62px) 0 72px;background:var(--bg);overflow:hidden;isolation:isolate}
.hero-glow{
  position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(720px 520px at 88% 6%,rgba(242,169,59,.20),transparent 62%),
    radial-gradient(640px 500px at 2% 96%,rgba(23,96,92,.14),transparent 60%);
}
.hero-photo{
  position:absolute;inset:0;z-index:-1;opacity:.13;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.hero-inner{max-width:900px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{color:var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:7px 16px;border-radius:var(--r-pill);color:var(--pine-2);
  background:rgba(23,96,92,.09);border:1px solid rgba(23,96,92,.16);margin-bottom:22px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background-image:var(--grad-brand);display:block}
.hero h1{font-size:clamp(30px,5vw,56px);font-weight:900;line-height:1.16;margin-bottom:22px}
.hero h1 em{font-style:normal;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:660px;margin-bottom:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 30px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--text-2);
  padding:8px 16px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 数据徽章带 ---------- */
.stats-band{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:16px 22px;box-shadow:var(--sh-1);transition:box-shadow .25s var(--ease),transform .25s var(--ease)
}
.stat:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.stat-num{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--pine-2);letter-spacing:.01em}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.section-head .lead{font-size:17px;color:var(--text-2)}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .text-link{margin-bottom:8px}
.prose p{color:var(--text-2);font-size:16px;margin-bottom:16px;max-width:820px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--text);font-weight:700}

/* ---------- 场景卡 2×2 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .3s var(--ease),transform .3s var(--ease),border-color .3s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(226,85,47,.28)}
.scene-media{position:relative;aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  display:inline-flex;align-items:center;font-size:13px;font-weight:700;color:var(--pine-2);
  background:rgba(23,96,92,.09);border:1px solid rgba(23,96,92,.16);
  padding:5px 13px;border-radius:var(--r-pill);width:fit-content;
}
.tag--warm{color:var(--brand-2);background:rgba(226,85,47,.09);border-color:rgba(226,85,47,.2)}
.scene-body h3{font-size:20px}
.scene-body p{color:var(--text-2);font-size:15px}
.scene-body .text-link{margin-top:auto}

/* ---------- Z 字图文 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.zig + .zig{border-top:1px dashed var(--line)}
.zig-media{position:relative}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.zig-badge{
  position:absolute;right:-14px;bottom:26px;
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-pill);
  background-image:var(--grad-data);color:#fff;font-size:13px;font-weight:700;
  box-shadow:var(--sh-3);font-variant-numeric:tabular-nums;
}
.zig-badge svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.zig--alt .zig-media{order:2}
.zig-body h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px}
.zig-body > p{color:var(--text-2);margin-bottom:20px}
.point-list{display:grid;gap:12px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 18px;box-shadow:var(--sh-1);transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.point-list li:hover{border-color:rgba(226,85,47,.28);transform:translateX(3px)}
.point-list li svg{width:18px;height:18px;flex:none;margin-top:4px;stroke:var(--brand);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 引用语 ---------- */
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--sh-2);display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.quote-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background-image:var(--grad-brand);
}
.quote-text{font-size:19px;line-height:1.85;color:var(--text);font-weight:600}
.quote-meta{display:flex;align-items:center;gap:14px;margin-top:22px}
.avatar{
  width:56px;height:56px;border-radius:50%;flex:none;display:grid;place-items:center;
  background-image:var(--grad-data);color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;
}
.quote-meta strong{display:block;font-size:15px}
.quote-meta span{font-size:13px;color:var(--text-3)}
.quote-src{font-size:13px;color:var(--text-3);text-align:right;white-space:nowrap}

/* ---------- CTA 带 ---------- */
.cta-band{
  background-image:var(--grad-brand);background-size:150% 150%;
  color:#fff;padding:64px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.18;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:12px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.92);max-width:460px}
.cta-form{display:flex;gap:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);border-radius:var(--r-pill);padding:8px;backdrop-filter:blur(6px)}
.cta-input{
  flex:1;min-width:0;border:0;background:#fff;border-radius:var(--r-pill);
  padding:14px 22px;color:var(--text);font-size:15px;transition:box-shadow .2s var(--ease);
}
.cta-input::placeholder{color:var(--text-3)}
.cta-input:focus{outline:none;box-shadow:0 0 0 4px rgba(255,255,255,.55)}
.cta-form .btn{background:#1E1B18;color:#fff;box-shadow:none}
.cta-form .btn:hover{background:#000;transform:translateY(-2px)}
.cta-note{font-size:13px;color:rgba(255,255,255,.88);margin-top:16px;position:relative;z-index:1}
.cta-note a{text-decoration:underline}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(226,85,47,.28)}
.faq-item.open{box-shadow:var(--sh-2);border-color:rgba(226,85,47,.3)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:16px;font-weight:700;text-align:left;color:var(--text);
  border-left:3px solid transparent;transition:border-color .25s var(--ease),color .25s var(--ease);
}
.faq-item.open .faq-q{border-left-color:var(--brand);color:var(--brand-2)}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .28s var(--ease)}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.open .faq-icon::after{transform:rotate(90deg) scaleX(0)}
.faq-item.open .faq-icon::before{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 双入口 ---------- */
.dual-entry{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(226,85,47,.3)}
.entry-card strong{display:block;font-size:16px;margin-bottom:4px}
.entry-card span{font-size:13px;color:var(--text-3)}
.entry-card svg{width:22px;height:22px;flex:none;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.entry-card:hover svg{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:#1E1B18;color:#D8D0C7;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;color:#fff;margin-bottom:18px;letter-spacing:-.02em}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:11px}
.footer-desc{font-size:14px;line-height:1.85;color:#A79E95;max-width:360px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#A79E95;transition:color .22s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:#A79E95;line-height:1.7}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8B837A}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#D8D0C7;
  border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);padding:10px 18px;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.to-top svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.to-top:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1023px){
  .container{max-width:960px}
  .nav-links{display:none}
  .burger{display:block}
  .header-actions{gap:10px}
  .zig{gap:34px}
  .quote-card{grid-template-columns:1fr;padding:34px}
  .quote-src{text-align:left}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.7}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .container{padding:0 16px}
  .hero{padding:calc(var(--nav-h) + 40px) 0 52px}
  .stats{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr;gap:18px}
  .zig{grid-template-columns:1fr;gap:24px;padding:26px 0}
  .zig--alt .zig-media{order:0}
  .zig-badge{right:12px;bottom:12px;padding:10px 16px}
  .dual-entry{grid-template-columns:1fr}
  .section-head--row{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 24px}
  .header-actions .btn-primary{display:none}
}
@media (max-width:520px){
  .btn{width:100%;padding:14px 20px}
  .hero-actions .btn{width:100%}
  .scene-body{padding:20px 18px 22px}
  .point-list li{padding:12px 14px}
  .stats{grid-template-columns:1fr}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 20px}
  .cta-form{flex-direction:column;border-radius:var(--r-md);padding:10px}
  .cta-form .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{width:100%;justify-content:center}
}