/* roulang page: index */
:root{
  --night:#0C7C75;
  --night-deep:#00665F;
  --night-soft:#E7F1F0;
  --orange:#F26B2C;
  --orange-hover:#DF5314;
  --ink:#191310;
  --ink-soft:#5F6D6B;
  --bg-light:#F7F6F2;
  --white:#FFFFFF;
  --dark:#111B1A;
  --dark-text:#F4F1EC;
  --dark-muted:#AEBAB8;
  --border:#E5E1D9;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-sm:0 4px 16px rgba(17,27,26,.06);
  --shadow-lg:0 16px 32px rgba(17,27,26,.12);
  --container:1280px;
  --content:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:#1C2624;background:#FDFCFA;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input{font-family:inherit}
::selection{background:var(--night);color:#fff}
:focus-visible{outline:2px solid var(--night);outline-offset:3px;border-radius:4px}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.gird-x,.grid-x{display:flex;flex-flow:row wrap}
.cell{flex:0 0 auto;min-height:0;min-width:0}
.cell.small-12{flex:0 0 100%;max-width:100%}
.grid-x>.cell{box-sizing:border-box}
.grid-margin-x>.cell{padding:0 15px}
.row{max-width:var(--container);margin:0 auto}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.site-header{position:relative;z-index:50;background:#FDFCFA;border-bottom:1px solid var(--border);box-shadow:0 1px 8px rgba(17,27,26,.04);height:68px}
.header-inner{display:flex;align-items:center;height:68px;gap:28px;justify-content:space-between}
.brand-logo{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand-badge{display:flex;align-items:center;justify-content:center;background:var(--night);color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;height:38px;padding:0 12px;border-radius:10px}
.brand-text{font-weight:800;font-size:22px;color:var(--ink);letter-spacing:.02em}
.primary-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;font-weight:600;font-size:15px;color:#34403E;border-radius:var(--radius-pill);transition:background .2s,color .2s}
.nav-link:hover{background:var(--night-soft);color:var(--night-deep)}
.nav-link.active{background:#0D211F;color:#fff}
.nav-link.active:hover{background:var(--night-deep);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-search{display:flex;align-items:center;height:40px;background:#F2F0EB;border-radius:var(--radius-pill);padding:0 6px 0 16px;width:244px;border:1px solid transparent;transition:border .2s,background .2s,box-shadow .2s}
.header-search:focus-within{background:#fff;border-color:var(--night);box-shadow:0 0 0 3px rgba(12,124,117,.14)}
.header-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:#1C2624;min-width:0}
.header-search button{border:0;background:transparent;color:var(--ink);width:30px;height:30px;border-radius:50%;font-size:14px;transition:background .2s}
.header-search button:hover{background:var(--night-soft);color:var(--night-deep)}
.header-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;border-radius:var(--radius-pill);background:var(--orange);color:var(--ink);font-weight:700;font-size:14px;border:0;transition:background .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.header-cta:hover{background:#FF8A4F;box-shadow:0 6px 18px rgba(242,107,44,.24);transform:translateY(-1px)}
.header-cta:active{background:var(--orange-hover);transform:translateY(0)}
.menu-toggle{width:42px;height:42px;border-radius:10px;background:var(--night-soft);border:0;color:var(--night-deep);font-size:18px;display:none;align-items:center;justify-content:center}
.menu-toggle:hover{background:#d5e5e3}

.hero-section{position:relative;background:linear-gradient(115deg,rgba(8,18,17,.97) 0%,rgba(12,124,117,.72) 55%,rgba(10,24,23,.94) 100%),url("/assets/images/backpic/back-1.png") center/cover no-repeat;color:#fff;overflow:hidden;padding:112px 0}
.hero-section::after{content:"";position:absolute;right:-120px;top:10%;width:360px;height:360px;background:radial-gradient(circle,rgba(242,107,44,.18),transparent 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:64px;align-items:center;position:relative;z-index:2}
.hero-kicker{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#E0F0EE;font-size:13px;font-weight:600;letter-spacing:.08em}
.hero-title{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.12;font-weight:800;margin:22px 0 20px;color:#fff;letter-spacing:-.02em}
.hero-title .wrap{white-space:nowrap}
.hero-lead{font-size:18px;line-height:1.9;color:#D6E0DE;max-width:580px}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:var(--radius-btn);font-weight:700;font-size:16px;border:0;transition:background .25s,transform .2s,box-shadow .25s,color .2s;letter-spacing:.02em}
.btn i{font-size:14px}
.btn-primary{background:var(--night);color:#fff}
.btn-primary:hover{background:var(--night-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(12,124,117,.22)}
.btn-orange{background:var(--orange);color:var(--ink)}
.btn-orange:hover{background:#FF8349;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,107,44,.24)}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-ghost-dark{background:#F2F0EB;color:var(--night-deep)}
.btn-ghost-dark:hover{background:#fff;color:var(--night);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.08)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.hero-visual{position:relative}
.hero-visual-frame{position:relative;border-radius:20px;padding:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(4px)}
.hero-visual-frame::after{content:"";position:absolute;inset:auto 12% -26px;height:42px;background:rgba(0,0,0,.4);filter:blur(30px);border-radius:50%;z-index:-1}
.hero-visual-frame img{border-radius:14px;width:100%;height:340px;object-fit:cover}
.hero-note{display:flex;align-items:center;position:absolute;left:-18px;bottom:20px;background:rgba(255,255,255,.94);color:#1C2624;border-radius:14px;padding:10px 14px;gap:10px;box-shadow:var(--shadow-lg)}
.hero-note-icon{width:38px;height:38px;border-radius:50%;background:var(--night-soft);color:var(--night-deep);display:flex;align-items:center;justify-content:center;font-size:16px}
.hero-note small{display:block;color:var(--ink-soft);font-size:12px;line-height:1.4}
.hero-note b{font-size:15px}

.section{padding:96px 0}
.section-subtle{background:var(--bg-light)}
.section-dark{background:var(--dark);color:var(--dark-text)}
.section-white{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-kicker{color:var(--night);font-size:14px;font-weight:700;letter-spacing:.1em;display:block;margin-bottom:8px}
.section-head h2{font-size:clamp(1.6rem,2.4vw,2.4rem);color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-dark .section-head h2{color:var(--dark-text)}
.section-head-right{flex-shrink:0}
.text-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--night-deep);transition:gap .2s,color .2s}
.text-more:hover{color:var(--orange);gap:10px}
.section-dark .text-more{color:#B7DEDB}
.section-divider{height:1px;background:var(--border);border:0}

.rail-toolbar{display:flex;gap:10px}
.scroll-btn{width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:50%;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;transition:background .2s,color .2s,transform .2s;font-size:14px}
.scroll-btn:hover{background:var(--night);color:#fff;transform:translateX(-2px)}
.scroll-btn.next:hover{transform:translateX(2px)}
.scroll-btn:active{transform:scale(.96)}
.static-scroll{overflow-x:auto;scrollbar-width:none;padding:2px 2px 12px}
.static-scroll::-webkit-scrollbar{display:none}
.rail-strip{display:flex;gap:24px;transition:transform .2s}
.rail-card{flex:0 0 262px;width:262px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);color:inherit;transition:transform .25s,box-shadow .25s,border .2s;display:block}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.rail-card .rail-thumb{height:152px;overflow:hidden;position:relative;background:#E5E1D9}
.rail-card .rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.rail-card:hover .rail-thumb img{transform:scale(1.04)}
.rail-card .rail-body{padding:16px 18px 18px}
.rail-card h3{font-size:1.05rem;font-weight:650;line-height:1.55;color:var(--ink);margin-top:6px}
.rail-card em{display:block;font-style:normal;font-size:13px;color:var(--ink-soft);margin-top:10px;line-height:1.6}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:0 11px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;letter-spacing:.03em}
.badge-green{background:var(--night-soft);color:var(--night-deep)}
.badge-orange{background:#FEEDE3;color:#CC4B0E}
.badge-dark{background:#2C3B39;color:#B9DAD6}
.tag-time{font-size:12px;color:var(--ink-soft)}

.featured-panel{padding-bottom:6px}
.spotlight-card{position:relative;display:block;min-height:320px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:24px}
.spotlight-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.spotlight-card .shadow{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.04) 30%,rgba(0,0,0,.86) 100%)}
.spotlight-content{position:absolute;left:0;right:0;bottom:0;padding:34px 30px;color:#fff}
.spotlight-content h3{font-size:1.65rem;font-weight:750;line-height:1.4;margin-top:10px}
.spotlight-content p{font-size:15px;color:rgba(255,255,255,.86);max-width:620px;margin:10px 0 0}
.feature-list{display:flex;flex-direction:column;gap:18px;height:100%}
.mini-feature{display:flex;background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;min-height:96px}
.mini-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.mini-feature .mini-img{flex:0 0 128px;height:auto;min-height:96px}
.mini-feature .mini-img img{width:100%;height:100%;object-fit:cover}
.mini-feature .mini-content{flex:1;display:flex;flex-direction:column;justify-content:center;padding:14px 16px;gap:4px}
.mini-feature .mini-content h3{font-size:1rem;font-weight:650;line-height:1.5}
.mini-feature .mini-content p{font-size:0.8rem;color:var(--ink-soft);line-height:1.5}
.mini-feature .arrow{color:var(--orange);font-size:13px;margin-left:auto;align-self:center;padding-right:12px}
.mini-cards-grid{margin-top:28px}
.mini-n{item background:#F8F7F3;border-radius:12px;border:1px solid var(--border);overflow:hidden;transition:background .2s,transform .2s,box-shadow .2s}
.mini-n:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow-md,0 12px 22px rgba(10,20,18,.07))}
.mini-n .cover-wrap{height:102px;overflow:hidden}
.mini-n .cover-wrap img{width:100%;height:100%;object-fit:cover}
.mini-n .pad{padding:12px}
.mini-n h3{font-size:.93rem;font-weight:650;color:var(--ink)}
.mini-n .arrow2{margin-top:6px;color:var(--night-deep);font-weight:600;font-size:13px}
.bg-layer{background:#F7F6F2}
.latest-panel{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px 22px}
.news-loop-item{display:flex;align-items:center;gap:18px;padding:22px 4px;border-bottom:1px solid #ECE8DE;color:inherit}
.news-loop-item:last-of-type{border-bottom:0}
.news-loop-item .news-icon{flex:0 0 48px;width:48px;height:48px;border-radius:14px;background:var(--night-soft);color:var(--night-deep);display:flex;align-items:center;justify-content:center;font-size:16px}
.news-loop-item:hover .news-icon{background:var(--night);color:#fff}
.news-loop-body{flex:1;min-width:0}
.news-loop-body h3{font-size:1.06rem;font-weight:650;line-height:1.6;margin-bottom:4px;color:var(--ink)}
.news-loop-item:hover .news-loop-body h3{color:var(--night-deep)}
.news-loop-body p{font-size:14px;color:var(--ink-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-loop-meta{display:flex;align-items:center;gap:14px;flex-shrink:0;font-size:13px;color:var(--ink-soft)}
.news-loop-meta .cat-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;background:var(--bg-light);border-radius:var(--radius-pill);font-weight:600;font-size:12px}
.news-loop-meta .date{white-space:nowrap}
.news-loop-arrow{color:var(--orange);font-size:16px;flex-shrink:0}
.update-panel{border-radius:20px;background:var(--dark);color:var(--dark-text);padding:34px 28px;position:sticky;top:90px}
.update-panel .ep-kicker{color:#7AC8C1;font-size:13px;font-weight:700;letter-spacing:.08em}
.update-panel h3{font-size:1.35rem;font-weight:750;margin:8px 0 20px}
.update-timeline li{position:relative;padding-left:26px;padding-bottom:22px}
.update-timeline li:last-child{padding-bottom:0}
.update-timeline li::before{content:"";position:absolute;left:7px;top:5px;width:11px;height:11px;border-radius:50%;background:#1BAAA0;box-shadow:0 0 0 5px rgba(27,170,160,.14)}
.update-timeline li::after{content:"";position:absolute;left:12px;top:24px;bottom:-4px;width:1px;background:#263C39}
.update-timeline li:last-child::after{display:none}
.update-timeline .ut{font-weight:700;font-size:15px}
.update-timeline .desc{font-size:13px;color:#93A19F;line-height:1.65;margin-top:4px}
.timeline-status{margin-top:24px;background:rgba(255,255,255,.06);border-radius:14px;padding:14px 16px;display:flex;align-items:center;gap:10px;font-size:13px;color:#D2DFDD}
.timeline-status i{color:#F7A078}
.empty-state{padding:56px 20px;background:#F7F6F2;border-radius:16px;text-align:center;color:var(--ink-soft);font-size:15px}
.empty-state .icon-big{font-size:26px;color:var(--night);display:block;margin-bottom:12px}
.empty-state a{margin-top:18px;display:inline-flex}
.tab-section{padding:96px 0;background:var(--dark)}
.tab-grid{display:grid;grid-template-columns:minmax(0,1.26fr) minmax(0,.74fr);gap:44px;align-items:center}
.grow-card{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 28px 60px rgba(0,0,0,.35);min-height:430px;display:flex;align-items:flex-end}
.grow-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.grow-card .shade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,12,12,.92) 10%,rgba(6,12,12,.18) 52%,rgba(6,12,12,.15) 100%)}
.grow-copy{position:relative;padding:40px 34px;color:#fff}
.grow-copy .badge{margin-bottom:12px}
.grow-copy h3{font-size:clamp(1.4rem,2vw,2rem);line-height:1.45;font-weight:750}
.grow-copy p{font-size:15px;color:#C4D1CE;line-height:1.85;margin:10px 0 14px}
.grow-copy .link-arrow{display:inline-flex;align-items:center;gap:6px;color:#FFB691;font-weight:600}
.catalog-list{display:flex;flex-direction:column;gap:14px;counter-reset:catalog}
.catalog-item{display:flex;align-items:center;gap:24px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:22px 24px;box-sizing:border-box;transition:background .2s,border .2s,transform .2s}
.catalog-item:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26);transform:translateX(4px)}
.catalog-num{font-size:2rem;font-weight:800;color:var(--orange);font-family:"Arial Narrow",Arial,sans-serif;width:52px;flex-shrink:0}
.catalog-item h3{font-size:1.12rem;font-weight:700;color:#fff;letter-spacing:.02em}
.catalog-item p{color:#AEBAB8;font-size:14px;line-height:1.65;margin-top:4px}
.catalog-item .carrtual{margin-left:auto;color:#B9DAD6;font-size:16px;flex-shrink:0}
.rhythm-card{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:46px;align-items:center}
.rhythm-aside h2{font-size:clamp(1.8rem,2.6vw,2.5rem);line-height:1.35}
.rhythm-aside p{font-size:16px;color:var(--ink-soft);line-height:1.85;margin-top:16px}
.rhythm-order{position:relative;border-left:2px solid var(--night-soft);padding-left:22px;display:flex;flex-direction:column;gap:24px}
.rhythm-order li{position:relative;padding-left:26px;padding-bottom:18px}
.rhythm-order li::before{content:"";position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--night)}
.rhythm-order .rname{font-weight:700;font-size:16px;color:var(--night-deep)}
.rhythm-order span.inline{font-size:13px;border-left:1px solid #D5D0C6;padding-left:10px;color:var(--ink-soft);margin-left:8px}
.rhythm-order p{color:var(--ink-soft);font-size:14px;line-height:1.7;margin-top:5px}
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px 20px;margin-bottom:14px;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;font-weight:650;font-size:1.02rem;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{width:36px;height:36px;flex-shrink:0;border-radius:50%;background:var(--night-soft);color:var(--night-deep);display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .2s,transform .2s}
.faq-item details[open] summary .faq-icon{transform:rotate(180deg);background:var(--night);color:#fff}
.faq-item .faq-a{padding-top:16px;color:var(--ink-soft);font-size:15px;line-height:1.9}
.section-cta{position:relative;background:linear-gradient(118deg,rgba(10,22,20,.95),rgba(12,55,52,.85)),url("/assets/images/backpic/back-3.png") center/cover no-repeat;padding:96px 0;overflow:hidden}
.section-cta .orb{position:absolute;width:430px;height:430px;left:-120px;top:-140px;background:radial-gradient(circle,rgba(242,107,44,.2),transparent 65%);pointer-events:none}
.cta-main{text-align:center;position:relative;z-index:2}
.cta-main .pre-line{color:#9ED9D3;font-size:14px;font-weight:700;letter-spacing:.1em}
.cta-main h2{font-size:clamp(2rem,3vw,2.9rem);color:#fff;margin:14px auto 16px;max-width:820px;line-height:1.5}
.cta-main p{color:#C6D5D2;font-size:16px;max-width:640px;margin:0 auto}
.cta-btns{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.site-footer{background:#0B1211;color:var(--dark-text)}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1.2fr 1.3fr;gap:50px;padding:68px 0 48px}
.footer-brand .branding{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .footer-logo{background:var(--night);border-radius:10px;color:#fff;font-weight:800;font-size:18px;padding:0 12px;height:38px;display:flex;align-items:center}
.footer-brand .footer-name{font-size:22px;font-weight:800;color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:#93A29F;max-width:400px}
.footer-meta{display:flex;gap:14px;margin-top:18px}
.footer-meta .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:4px}
.footer-links a{font-size:14px;color:#A9B8B5;padding:7px 0;display:inline-block;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#fff;padding-left:5px}
.footer-contact p{font-size:14px;color:#B9C8C5;line-height:1.9}
.footer-bottom{border-top:1px solid #20302E;padding:22px 0;font-size:13px;color:#7E9490;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.footer-bottom a{color:#AABBB8}
.footer-bottom a:hover{color:#fff}
.no-scroll{overflow:hidden}
@media (min-width:1025px){
  .nav-open-back{display:none}
}
@media (max-width:1200px){
  .container,.row{padding-left:20px;padding-right:20px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 360px;gap:40px}
  .header-inner{gap:16px}
  .primary-nav{gap:2px}
  .nav-link{padding:0 12px}
  .header-search{width:200px}
}
@media (max-width:1024px){
  .site-header,.header-inner{height:56px}
  .header-inner{gap:14px}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .primary-nav{position:fixed;top:56px;left:0;right:0;height:auto;background:#FDFCFA;border-bottom:1px solid var(--border);box-shadow:0 16px 30px rgba(0,0,0,.08);flex-direction:column;align-items:stretch;padding:12px 14px 22px;margin:0;display:none;z-index:60;max-height:none;gap:2px}
  .primary-nav.open{display:flex}
  .nav-link{min-height:46px;justify-content:flex-start;border-radius:12px}
  .nav-link.active{background:var(--night);color:#fff}
  .nav-link:hover{background:var(--night-soft)}
  .header-search{width:170px}
  .header-cta{padding:0 14px;font-size:13px}
  .hero-section{padding:78px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-lead{max-width:100%}
  .hero-visual{max-width:520px}
  .hero-visual-frame img{height:260px}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .container,.row{padding-left:16px;padding-right:16px}
  .header-search{display:none}
  .header-actions{display:flex;align-items:center;gap:8px}
  .header-cta{width:38px;padding:0;font-size:0;justify-content:center;border-radius:50%}
  .header-cta::before{content:"\f005";font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px}
  .hero-section{padding:56px 0}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:1.55rem}
  .section-head-right .text-more{font-size:13px}
  .spotlight-card{min-height:260px}
  .spotlight-content{padding:24px 20px}
  .spotlight-content h3{font-size:1.3rem}
  .feature-list{gap:14px}
  .mini-feature .mini-img{flex-basis:104px}
  .mini-feature .mini-content p{display:none}
  .mini-cards-grid{margin-top:18px}
  .news-loop-item{flex-wrap:wrap;gap:12px}
  .news-loop-meta{width:100%;justify-content:flex-start;padding-left:66px}
  .news-loop-arrow{display:none}
  .rhythm-card{grid-template-columns:1fr;gap:32px}
  .tab-grid{grid-template-columns:1fr;gap:32px}
  .grow-card{min-height:340px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .rail-card{flex-basis:240px;width:240px}
}
@media (max-width:520px){
  .brand-text{font-size:19px}
  .brand-badge{height:34px;font-size:16px;padding:0 8px}
  .header-actions .header-cta{display:none}
  .menu-toggle{width:38px;height:38px}
  .hero-visual-frame img{height:200px}
  .hero-note{left:8px}
  .hero-actions .btn{width:100%}
  .section-title h2{font-size:1.6rem}
  .rail-card{flex-basis:76vw;width:76vw}
  .spotlight-content h3{font-size:1.15rem}
  .grow-copy{padding:28px 18px}
  .catalog-item{gap:12px;padding:18px}
  .catalog-item p{font-size:13px}
  .catalog-num{font-size:1.35rem;width:36px}
  .update-panel{padding:24px 18px}
  .footer-grid{gap:34px;padding-top:48px}
}

/* roulang page: article */
:root {
      --primary: #0C7C75;
      --primary-hover: #00665F;
      --primary-soft: #E7F1F0;
      --accent: #F26B2C;
      --deep-ink: #191310;
      --page: #F7F6F2;
      --white: #FFFFFF;
      --ink: #1C2624;
      --muted: #5F6D6B;
      --deep-bg: #111B1A;
      --deep-text: #F4F1EC;
      --deep-muted: #AEBAB8;
      --border: #E5E1D9;
      --radius-sm: 10px;
      --radius: 12px;
      --radius-lg: 16px;
      --radius-full: 999px;
      --shadow-sm: 0 4px 16px rgba(17, 27, 26, .06);
      --shadow-hover: 0 16px 32px rgba(17, 27, 26, .12);
      --nav-h: 68px;
      --font: PingFang SC, Hiragino Sans GB, Microsoft YaHei, Noto Sans SC, sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font);
      background: var(--page);
      color: var(--ink);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }

    input {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .grid-x {
      display: flex;
      flex-wrap: wrap;
    }

    .cell {
      flex: 0 0 auto;
    }

    /* ── Buttons ─────────────────────────── */
    .btn-primary,
    .btn-dark,
    .btn-ghost,
    .site-header .header-cta,
    .btn-orange {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 42px;
      padding: 0 22px;
      border-radius: var(--radius-full);
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: .02em;
      transition: all .2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(12, 124, 117, .18);
    }

    .btn-dark {
      background: var(--deep-ink);
      color: #F4F1EC;
    }

    .btn-dark:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-ghost {
      border: 1px solid rgba(255, 255, 255, .6);
      color: #f8f6f2;
      background: transparent;
    }

    .btn-ghost:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, .08);
      transform: translateY(-2px);
    }

    .btn-orange {
      background: var(--accent);
      color: var(--deep-ink);
    }

    .btn-orange:hover {
      background: #ff7f44;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(242, 107, 44, .18);
    }

    /* ── Header ──────────────────────────── */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #FDFCFA;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 4px 18px rgba(17, 27, 26, .04);
    }

    .header-row {
      height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-logo .brand-icon {
      width: 38px;
      height: 38px;
      border-radius: 11px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }

    .brand-logo .brand-word {
      font-size: 1.32rem;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -0.02em;
    }

    .primary-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 18px;
      border-radius: 999px;
      font-size: 0.96rem;
      font-weight: 500;
      color: var(--ink);
      transition: all .2s ease;
    }

    .nav-link:hover {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .nav-link.active,
    .nav-link.active:hover {
      background: var(--primary);
      color: #fff;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: auto;
    }

    .header-search {
      display: flex;
      align-items: center;
      width: 250px;
      height: 38px;
      background: #F2F0EB;
      border: 1px solid transparent;
      padding: 0 6px 0 14px;
      border-radius: 999px;
      transition: all .2s ease;
    }

    .header-search:focus-within {
      background: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(12, 124, 117, .08);
    }

    .header-search input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: .88rem;
      color: var(--ink);
      outline: none;
    }

    .header-search input::placeholder {
      color: #8A9593;
    }

    .header-search button {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      color: var(--ink);
      background: transparent;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      transition: all .2s ease;
    }

    .header-search button:hover {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .header-cta {
      height: 40px;
      padding: 0 20px;
      background: var(--accent);
      color: var(--deep-ink);
      font-weight: 700;
      border-radius: var(--radius-full);
    }

    .header-cta:hover {
      background: #ff7f44;
      box-shadow: 0 8px 20px rgba(242, 107, 44, .18);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 1.25rem;
    }

    .menu-toggle:hover {
      background: var(--primary);
      color: #fff;
    }

    /* ── Article main ─────────────────────── */
    .article-main {
      padding: 56px 0 96px;
    }

    .breadcrumb {
      margin-bottom: 18px;
    }

    .breadcrumb ul {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 6px;
      font-size: .85rem;
      color: var(--muted);
    }

    .breadcrumb li {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .breadcrumb li + li::before {
      content: "/";
      color: #B8C0BE;
      font-size: .75rem;
    }

    .breadcrumb a {
      color: var(--muted);
      transition: color .2s;
    }

    .breadcrumb a:hover {
      color: var(--primary);
    }

    .article-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      box-shadow: var(--shadow-sm);
      padding: 44px 52px 40px;
      margin-bottom: 40px;
    }

    .article-cat-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: .82rem;
      font-weight: 600;
      padding: 7px 16px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .article-title {
      font-size: clamp(1.8rem, 3.2vw, 2.7rem);
      line-height: 1.22;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 20px;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 20px;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 15px 0;
      margin-bottom: 28px;
      font-size: .88rem;
      color: var(--muted);
    }

    .article-meta span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .article-meta i {
      color: var(--primary);
      width: 15px;
      text-align: center;
    }

    .article-cover {
      border-radius: 16px;
      overflow: hidden;
      margin-bottom: 34px;
      box-shadow: var(--shadow-sm);
    }

    .article-cover img {
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .article-body {
      max-width: 700px;
    }

    .article-body p {
      font-size: 1.06rem;
      line-height: 1.9;
      margin-bottom: 24px;
      color: #2A3432;
    }

    .article-body p:first-of-type {
      text-indent: 2em;
    }

    .article-body h2 {
      font-size: 1.5rem;
      line-height: 1.45;
      font-weight: 700;
      color: var(--ink);
      margin: 42px 0 18px;
      position: relative;
      padding-left: 16px;
    }

    .article-body h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      bottom: 8px;
      width: 5px;
      border-radius: 20px;
      background: var(--primary);
    }

    .article-body h3 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--ink);
      margin: 30px 0 12px;
    }

    .article-body ul,
    .article-body ol {
      margin: 0 0 24px;
      padding-left: 24px;
      font-size: 1.03rem;
      line-height: 1.8;
      color: #2A3432;
    }

    .article-body li {
      margin-bottom: 8px;
    }

    .article-body blockquote {
      background: var(--primary-soft);
      border-left: 4px solid var(--primary);
      padding: 20px 24px;
      border-radius: 0 14px 14px 0;
      margin: 28px 0;
      color: #2F4A47;
      font-size: 1rem;
    }

    .article-body blockquote p {
      margin-bottom: 0;
      text-indent: 0;
    }

    .article-body img {
      border-radius: 14px;
      margin: 30px 0;
      width: 100%;
      height: auto;
    }

    .article-bottom-nav {
      margin-top: 40px;
      padding-top: 26px;
      border-top: 1px solid var(--border);
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    /* Empty state */
    .not-found-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 80px 30px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .not-found-card .not-found-icon {
      width: 72px;
      height: 72px;
      margin: 0 auto 24px;
      border-radius: 24px;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
    }

    .not-found-card h1 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .not-found-card p {
      color: var(--muted);
      margin-bottom: 24px;
    }

    /* Article aside */
    .article-aside {
      display: flex;
      flex-direction: column;
      gap: 28px;
      padding-left: 20px;
    }

    .aside-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 18px;
      box-shadow: var(--shadow-sm);
      padding: 26px 24px;
    }

    .aside-card:last-child {
      background: var(--deep-bg);
      border-color: transparent;
    }

    .aside-title {
      font-size: 1.05rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      color: var(--ink);
    }

    .aside-title i {
      color: var(--primary);
    }

    .aside-nav-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .aside-nav-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 13px 16px;
      background: #F7F6F2;
      border: 1px solid transparent;
      border-radius: 12px;
      font-size: .94rem;
      font-weight: 500;
      transition: all .2s;
    }

    .aside-nav-list a small {
      color: var(--muted);
      font-size: .78rem;
      font-weight: 400;
    }

    .aside-nav-list a:hover {
      background: var(--primary-soft);
      border-color: rgba(12, 124, 117, .18);
      color: var(--primary);
      transform: translateX(3px);
    }

    .aside-trend-list {
      counter-reset: trend;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .trend-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      counter-increment: trend;
      padding-bottom: 14px;
      border-bottom: 1px dashed var(--border);
    }

    .trend-item:last-child {
      padding-bottom: 0;
      border-bottom: none;
    }

    .trend-item::before {
      content: "0" counter(trend);
      font-size: 1.05rem;
      font-weight: 800;
      font-style: italic;
      color: var(--accent);
      flex-shrink: 0;
      line-height: 1.4;
    }

    .trend-item a {
      color: var(--ink);
      font-size: .94rem;
      font-weight: 600;
      line-height: 1.5;
      transition: color .2s;
    }

    .trend-item a:hover {
      color: var(--primary);
    }

    .aside-cta {
      color: var(--deep-text);
      position: relative;
      overflow: hidden;
    }

    .aside-cta::after {
      content: "";
      position: absolute;
      right: -42px;
      top: -42px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: rgba(242, 107, 44, .16);
      pointer-events: none;
    }

    .aside-cta .aside-title {
      color: var(--deep-text);
    }

    .aside-cta .aside-title i {
      color: #FF9C68;
    }

    .aside-cta p {
      color: var(--deep-muted);
      font-size: .9rem;
      margin-bottom: 22px;
    }

    /* Related section */
    .related-section {
      margin-top: 20px;
    }

    .related-section .section-head {
      margin-bottom: 22px;
    }

    .related-section .section-head h2 {
      font-size: 1.5rem;
      color: var(--ink);
      font-weight: 700;
    }

    .related-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      display: flex;
      align-items: stretch;
      margin-bottom: 20px;
      transition: all .25s ease;
    }

    .related-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .related-card img {
      width: 180px;
      height: 148px;
      object-fit: cover;
      flex-shrink: 0;
    }

    .related-card .related-body {
      padding: 18px 20px;
      flex: 1;
    }

    .related-card .rel-cat {
      font-size: .76rem;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-soft);
      padding: 3px 12px;
      border-radius: 999px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .related-card h3 {
      font-size: 1.02rem;
      line-height: 1.5;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .related-card h3 a:hover {
      color: var(--primary);
    }

    .related-card p {
      font-size: .86rem;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: 8px;
    }

    .related-card .rel-meta {
      font-size: .78rem;
      color: #8A9593;
    }

    /* ── Footer ──────────────────────────── */
    .site-footer {
      background: var(--deep-bg);
      color: var(--deep-text);
      padding: 72px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 46px;
      padding-bottom: 52px;
    }

    .footer-brand .branding {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
    }

    .footer-logo {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: #fff;
      border-radius: 11px;
      font-weight: 800;
      font-size: .98rem;
    }

    .footer-name {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--deep-text);
    }

    .footer-brand p {
      font-size: .95rem;
      color: var(--deep-muted);
      line-height: 1.8;
      margin-bottom: 14px;
      max-width: 440px;
    }

    .footer-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      font-size: .84rem;
      color: var(--deep-muted);
    }

    .footer-meta span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .footer-meta .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      display: inline-block;
    }

    .footer-title {
      font-size: .95rem;
      font-weight: 700;
      color: var(--deep-text);
      margin-bottom: 20px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: var(--deep-muted);
      font-size: .9rem;
      transition: all .2s;
    }

    .footer-links a:hover {
      color: #fff;
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .footer-contact p {
      color: var(--deep-muted);
      font-size: .9rem;
      line-height: 1.75;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 22px 0;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: space-between;
      font-size: .82rem;
      color: #7F8E8B;
    }

    /* ── Responsive ──────────────────────── */
    @media (max-width: 1100px) {
      .primary-nav {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        z-index: 99;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        background: #FDFCFA;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 24px 42px rgba(17, 27, 26, .12);
        padding: 16px 22px 22px;
        transform: translateY(-120%);
        transition: transform .3s ease;
      }

      .primary-nav.open {
        transform: translateY(0);
      }

      .nav-link {
        height: 46px;
        justify-content: flex-start;
        padding: 0 18px;
        border-radius: 14px;
      }

      .header-search {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .article-aside {
        padding-left: 0;
      }
    }

    @media (max-width: 900px) {
      .article-main {
        padding: 40px 0 72px;
      }

      .article-card {
        padding: 34px 30px 34px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
      }

      .related-card img {
        width: 130px;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 16px;
      }

      .header-row {
        height: 58px;
        gap: 12px;
      }

      .brand-logo .brand-icon {
        width: 34px;
        height: 34px;
        font-size: 14px;
      }

      .brand-logo .brand-word {
        font-size: 1.1rem;
      }

      .header-cta {
        width: 38px;
        height: 38px;
        padding: 0;
        font-size: 0;
        border-radius: 12px;
        justify-content: center;
      }

      .header-cta::before {
        font-family: "Font Awesome 6 Free";
        content: "\f0f3";
        font-weight: 900;
        font-size: 1rem;
      }

      .primary-nav {
        top: 58px;
        padding: 14px 16px 20px;
      }

      .article-main {
        padding-top: 26px;
      }

      .article-card {
        padding: 28px 18px 26px;
        border-radius: 16px;
      }

      .article-meta {
        gap: 12px;
        font-size: .82rem;
        padding: 12px 0;
      }

      .article-meta span {
        gap: 5px;
      }

      .article-title {
        font-size: 1.45rem;
        margin-bottom: 14px;
      }

      .article-body p {
        font-size: 1rem;
      }

      .article-bottom-nav .btn-primary {
        width: 100%;
        height: 46px;
      }

      .related-card {
        flex-direction: column;
      }

      .related-card img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
      }

      .related-card .related-body {
        padding: 18px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .breadcrumb ul {
        font-size: .78rem;
      }
    }

/* roulang page: category1 */
:root {
        --primary: #0C7C75;
        --primary-dark: #00665F;
        --primary-soft: #E7F1F0;
        --accent: #F26B2C;
        --ink: #191310;
        --page: #FDFCFA;
        --soft: #F7F6F2;
        --white: #FFFFFF;
        --dark: #111B1A;
        --dark-soft: #182725;
        --body: #1C2624;
        --muted: #5F6D6B;
        --line: #E5E1D9;
        --dark-text: #F4F1EC;
        --dark-sub: #AEBAB8;
        --radius-sm: 10px;
        --radius: 12px;
        --radius-lg: 16px;
        --radius-pill: 999px;
        --shadow-sm: 0 4px 16px rgba(17, 27, 26, .06);
        --shadow-md: 0 10px 24px rgba(17, 27, 26, .09);
        --shadow-lg: 0 16px 32px rgba(17, 27, 26, .12);
        --container: 1280px;
        --side-pad: clamp(16px, 4vw, 40px);
        --space-section: clamp(64px, 8vw, 96px);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        font-size: 16px;
        line-height: 1.75;
        color: var(--body);
        background: var(--page);
        -webkit-font-smoothing: antialiased;
    }

    body.no-scroll {
        overflow: hidden;
    }

    img {
        max-width: 100%;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    button,
    input {
        font-family: inherit;
    }

    h1, h2, h3, h4, h5 {
        margin: 0;
        font-weight: 700;
        line-height: 1.3;
        color: var(--ink);
    }

    p {
        margin: 0 0 14px;
    }

    ul, ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .skip-link {
        position: absolute;
        top: -60px;
        left: 14px;
        z-index: 200;
        background: var(--primary);
        color: #fff;
        padding: 10px 16px;
        border-radius: 10px;
        transition: top .2s;
    }

    .skip-link:focus {
        top: 12px;
    }

    .grid-container {
        max-width: var(--container);
        padding-left: var(--side-pad);
        padding-right: var(--side-pad);
    }

    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding-left: var(--side-pad);
        padding-right: var(--side-pad);
    }

    .site-header {
        position: relative;
        z-index: 60;
        background: rgba(255, 255, 255, .98);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 1px 10px rgba(17, 27, 26, .03);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        height: 68px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--primary);
        border-radius: 12px;
        color: #fff;
        font-size: 13px;
        font-weight: 900;
        letter-spacing: .3px;
        box-shadow: 0 4px 12px rgba(12, 124, 117, .22);
    }

    .brand-text {
        font-size: clamp(17px, 1.6vw, 21px);
        font-weight: 800;
        color: var(--ink);
        letter-spacing: -.3px;
    }

    .brand-text b {
        color: var(--primary);
        font-weight: 800;
    }

    .primary-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-right: auto;
        margin-left: 26px;
    }

    .primary-nav .nav-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 38px;
        padding: 0 16px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 500;
        color: var(--body);
        transition: background .2s, color .2s, box-shadow .2s;
        white-space: nowrap;
    }

    .primary-nav .nav-link:hover {
        background: var(--primary-soft);
        color: var(--primary-dark);
    }

    .primary-nav .nav-link.active {
        background: var(--primary-soft);
        color: var(--primary-dark);
        font-weight: 700;
    }

    .header-tools {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
        margin-left: 12px;
    }

    .site-search {
        display: flex;
        align-items: center;
        background: #F2F0EB;
        border: 1px solid transparent;
        border-radius: var(--radius-pill);
        height: 38px;
        min-width: 200px;
        max-width: 250px;
        padding: 0 6px 0 14px;
        transition: background .2s, border-color .2s, box-shadow .2s;
    }

    .site-search:focus-within {
        background: #fff;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(12, 124, 117, .12);
    }

    .site-search .search-input {
        flex: 1;
        min-width: 0;
        border: 0;
        outline: 0;
        background: transparent;
        font-size: 14px;
        color: var(--body);
    }

    .site-search .search-btn {
        width: 30px;
        height: 30px;
        border: 0;
        border-radius: 50%;
        background: transparent;
        color: var(--muted);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background .2s, color .2s;
    }

    .site-search .search-btn:hover {
        background: var(--primary-soft);
        color: var(--primary);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border: 1px solid transparent;
        border-radius: var(--radius-pill);
        padding: 0 20px;
        height: 40px;
        font-size: 14px;
        font-weight: 600;
        line-height: 1;
        cursor: pointer;
        transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;
        white-space: nowrap;
    }

    .btn-primary {
        background: var(--accent);
        color: var(--ink);
        border-color: var(--accent);
        box-shadow: 0 6px 18px rgba(242, 107, 44, .16);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 26px rgba(242, 107, 44, .24);
        background: #e75b1f;
    }

    .btn-primary:active {
        transform: translateY(0);
    }

    .btn-ghost {
        background: transparent;
        border-color: rgba(244, 241, 236, .9);
        color: var(--dark-text);
    }

    .btn-ghost:hover {
        background: rgba(244, 241, 236, .1);
        border-color: #fff;
    }

    .btn-large {
        height: 50px;
        padding: 0 28px;
        font-size: 15px;
        border-radius: 14px;
    }

    .nav-toggle {
        width: 42px;
        height: 42px;
        border: 1px solid var(--line);
        background: var(--white);
        border-radius: 12px;
        color: var(--body);
        font-size: 17px;
        display: none;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: border-color .2s, color .2s;
    }

    .nav-toggle:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .mobile-menu {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 120;
        background: rgba(17, 27, 26, .48);
    }

    .mobile-menu.open {
        display: block;
    }

    .mobile-panel {
        position: absolute;
        top: 0;
        right: 0;
        width: min(88vw, 360px);
        height: 100%;
        background: var(--white);
        padding: 24px 20px 32px;
        border-radius: 22px 0 0 22px;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        transform: translateX(103%);
        transition: transform .3s ease;
    }

    .mobile-menu.open .mobile-panel {
        transform: translateX(0);
    }

    .mobile-panel-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 18px;
        padding-bottom: 14px;
        border-bottom: 1px solid var(--line);
    }

    .mobile-close {
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--soft);
        border: 0;
        border-radius: 50%;
        font-size: 16px;
        color: var(--body);
        cursor: pointer;
    }

    .mobile-nav-link {
        display: flex;
        align-items: center;
        min-height: 46px;
        padding: 0 16px;
        margin-bottom: 8px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 500;
        color: var(--body);
        background: var(--white);
        transition: background .2s, color .2s;
    }

    .mobile-nav-link.active {
        background: var(--primary-soft);
        color: var(--primary-dark);
        font-weight: 700;
    }

    .mobile-nav-link:hover {
        background: var(--prime-soft);
        color: var(--primary);
    }

    .mobile-cta {
        margin-top: 18px;
    }

    .mobile-search {
        display: flex;
        margin: 18px 0 10px;
        padding: 0 4px;
    }

    .category-banner {
        background:
            linear-gradient(112deg, rgba(17, 27, 26, .98) 0%, rgba(17, 27, 26, .86) 42%, rgba(12, 124, 117, .38) 100%),
            url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
        color: var(--dark-text);
        position: relative;
        border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .category-banner-inner {
        min-height: 184px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px 50px;
        padding: 42px 0;
    }

    .category-banner-left {
        max-width: 460px;
    }

    .eyebrow-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border-radius: var(--radius-pill);
        background: rgba(255, 255, 255, .1);
        color: var(--dark-text);
        font-size: 13px;
        padding: 6px 14px;
        margin-bottom: 14px;
        letter-spacing: .2px;
    }

    .eyebrow-label .dot {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 0 4px rgba(242, 107, 44, .2);
    }

    .category-title {
        color: #fff;
        font-size: clamp(2.3rem, 4vw, 3.8rem);
        font-weight: 800;
        line-height: 1.12;
        letter-spacing: -.5px;
    }

    .category-banner-summary {
        max-width: 430px;
        font-size: 16px;
        line-height: 1.85;
        color: var(--dark-sub);
        margin: 0;
        text-align: right;
    }

    .category-banner-summary strong {
        color: var(--dark-text);
        font-weight: 600;
    }

    .category-main {
        background: var(--soft);
        padding-bottom: var(--space-section);
    }

    .category-layout {
        padding-top: clamp(48px, 6vw, 72px);
        padding-bottom: 20px;
    }

    .toc-card {
        background: var(--white);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: 24px 22px;
        box-shadow: var(--shadow-sm);
        position: sticky;
        top: 28px;
        transition: box-shadow .25s, transform .25s;
    }

    .toc-card:hover {
        box-shadow: var(--shadow-md);
    }

    .toc-kicker {
        display: flex;
        align-items: center;
        gap: 7px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 8px;
    }

    .toc-kicker i {
        color: var(--accent);
    }

    .toc-heading {
        font-size: 21px;
        font-weight: 800;
        color: var(--ink);
        margin-bottom: 16px;
    }

    .toc-list {
        display: grid;
        gap: 4px;
    }

    .toc-link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 11px 12px;
        border-radius: 10px;
        font-size: 14px;
        color: var(--muted);
        border-left: 3px solid transparent;
        transition: background .2s, color .2s, border-color .2s, transform .2s;
    }

    .toc-link .toc-index {
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: var(--soft);
        color: var(--primary);
        font-size: 12px;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .toc-link:hover {
        background: var(--soft);
        color: var(--primary-dark);
        border-left-color: var(--primary);
        transform: translateX(3px);
    }

    .toc-link.current {
        background: var(--primary-soft);
        color: var(--primary-dark);
        font-weight: 600;
        border-left-color: var(--primary);
    }

    .toc-note {
        margin-top: 16px;
        padding: 12px 14px;
        border-radius: 12px;
        background: var(--soft);
        font-size: 13px;
        line-height: 1.7;
        color: var(--muted);
        display: flex;
        gap: 10px;
    }

    .toc-note i {
        color: var(--accent);
        font-size: 16px;
        margin-top: 2px;
    }

    .content-column {
        min-width: 0;
    }

    .chapter {
        background: var(--white);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: clamp(22px, 3vw, 36px);
        margin-bottom: 28px;
        box-shadow: var(--shadow-sm);
        transition: box-shadow .25s, transform .25s;
    }

    .chapter:hover {
        box-shadow: var(--shadow-md);
    }

    .chapter-head {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 22px;
        padding-bottom: 18px;
        border-bottom: 1px solid var(--line);
    }

    .chapter-number {
        width: 46px;
        height: 46px;
        flex-shrink: 0;
        background: var(--dark);
        color: var(--dark-text);
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 800;
        letter-spacing: -.5px;
    }

    .chapter-kicker {
        display: block;
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        text-transform: uppercase;
        letter-spacing: .5px;
        margin-bottom: 2px;
    }

    .chapter h2 {
        font-size: clamp(1.3rem, 1.6vw, 1.65rem);
        font-weight: 800;
        margin: 0;
        letter-spacing: -.2px;
    }

    .chapter-body p {
        font-size: 15px;
        color: var(--body);
        line-height: 1.85;
        margin-bottom: 16px;
    }

    .intro-grid {
        display: grid;
        grid-template-columns: 1.1fr .9fr;
        gap: 28px;
        align-items: center;
    }

    .chapter-figure {
        margin: 0;
        position: relative;
        overflow: hidden;
        border-radius: 16px;
        box-shadow: var(--shadow-sm);
    }

    .chapter-figure img {
        width: 100%;
        height: 220px;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .chapter-figure:hover img {
        transform: scale(1.03);
    }

    .figure-tag {
        position: absolute;
        bottom: 12px;
        left: 12px;
        background: rgba(17, 27, 26, .82);
        color: var(--dark-text);
        font-size: 12px;
        border-radius: var(--radius-pill);
        padding: 5px 12px;
        backdrop-filter: blur(4px);
    }

    .mini-features {
        display: grid;
        gap: 12px;
        margin-top: 18px;
    }

    .mini-feature {
        display: flex;
        gap: 13px;
        padding: 14px 16px;
        background: var(--soft);
        border-radius: 12px;
        border: 1px solid transparent;
        transition: background .2s, border-color .2s, box-shadow .2s, transform .2s;
    }

    .mini-feature:hover {
        background: #fff;
        border-color: var(--line);
        box-shadow: var(--shadow-sm);
        transform: translateY(-2px);
    }

    .mini-feature-icon {
        width: 34px;
        min-height: 34px;
        border-radius: 10px;
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        flex-shrink: 0;
    }

    .mini-feature h3 {
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 4px;
        color: var(--ink);
    }

    .mini-feature p {
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 0;
        line-height: 1.75;
    }

    .scope-list {
        display: grid;
        gap: 14px;
    }

    .scope-row {
        display: flex;
        gap: 16px;
        padding: 18px;
        background: var(--soft);
        border-radius: 14px;
        border: 1px solid transparent;
        transition: background .2s, border-color .2s, box-shadow .2s, transform .2s;
    }

    .scope-row:hover {
        background: #fff;
        border-color: var(--line);
        box-shadow: var(--shadow-sm);
        transform: translateX(4px);
    }

    .scope-number {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: var(--dark);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 16px;
        flex-shrink: 0;
    }

    .scope-content {
        min-width: 0;
    }

    .scope-content h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 5px;
    }

    .scope-content p {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 0;
        color: var(--muted);
    }

    .badge-label {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        background: var(--primary-soft);
        color: var(--primary-dark);
        border-radius: var(--radius-pill);
        padding: 3px 10px;
        font-size: 12px;
        font-weight: 600;
        margin-top: 8px;
    }

    .badge-label.orange {
        background: rgba(242, 107, 44, .12);
        color: #c4571f;
    }

    .badge-label.dark {
        background: var(--dark);
        color: var(--accent);
    }

    .flow-stage {
        position: relative;
        padding-left: 24px;
        margin-bottom: 20px;
    }

    .flow-stage:not(:last-child)::after {
        content: "";
        position: absolute;
        left: 17px;
        top: 46px;
        width: 2px;
        height: calc(100% - 28px);
        background: var(--line);
    }

    .flow-stage:last-child {
        margin-bottom: 0;
    }

    .flow-dot {
        position: absolute;
        left: 0;
        top: 4px;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 14px;
        border: 2px solid var(--white);
        box-shadow: 0 0 0 1px rgba(12, 124, 117, .1);
        z-index: 2;
    }

    .flow-card {
        margin-left: 18px;
        padding: 16px 18px;
        background: var(--soft);
        border-radius: 14px;
    }

    .flow-card h3 {
        font-size: 15px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .flow-card p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.8;
        margin-bottom: 0;
    }

    .follow-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .follow-item {
        background: var(--soft);
        border-radius: 14px;
        padding: 18px 16px;
        position: relative;
        transition: background .2s, box-shadow .2s, transform .2s;
    }

    .follow-item:hover {
        background: #fff;
        box-shadow: var(--shadow-sm);
        transform: translateY(-3px);
    }

    .follow-item .step-num {
        display: block;
        font-size: 28px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1;
        margin-bottom: 10px;
        letter-spacing: -1px;
    }

    .follow-item h3 {
        font-size: 15px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 6px;
    }

    .follow-item p {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.75;
        margin-bottom: 0;
    }

    .faq-section {
        background: var(--white);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        padding: clamp(24px, 3vw, 36px);
        margin-bottom: 28px;
    }

    .faq-heading {
        text-align: center;
        margin-bottom: 26px;
    }

    .faq-heading .section-kicker {
        font-size: 14px;
        color: var(--primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .faq-heading h2 {
        font-size: clamp(1.4rem, 2vw, 1.8rem);
        color: var(--ink);
        margin-top: 8px;
        font-weight: 800;
    }

    .faq-list {
        display: grid;
        gap: 12px;
    }

    details.faq-card {
        border: 1px solid var(--line);
        border-radius: 16px;
        background: var(--soft);
        overflow: hidden;
        transition: background .2s, border-color .2s, box-shadow .2s;
    }

    details.faq-card[open] {
        background: #fff;
        border-color: rgba(12, 124, 117, .25);
        box-shadow: var(--shadow-sm);
    }

    details.faq-card summary {
        cursor: pointer;
        list-style: none;
        padding: 20px 22px 18px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-weight: 600;
        color: var(--ink);
        transition: color .2s;
    }

    details.faq-card summary::-webkit-details-marker {
        display: none;
    }

    details.faq-card summary:hover {
        color: var(--primary);
    }

    .faq-icon {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
        background: var(--white);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        box-shadow: var(--shadow-sm);
    }

    details[open] .faq-icon i {
        transform: rotate(45deg);
    }

    details[open] .faq-icon {
        background: var(--primary);
        color: #fff;
    }

    .faq-card .faq-answer {
        padding: 0 22px 20px;
        color: var(--muted);
        font-size: 14px;
        line-height: 1.8;
    }

    .faq-card .faq-answer p {
        margin: 0;
    }

    .cta-band {
        background:
            radial-gradient(circle at 85% 20%, rgba(242, 107, 44, .42), transparent 30%),
            radial-gradient(circle at 10% 90%, rgba(12, 124, 117, .28), transparent 32%),
            var(--dark);
        color: var(--dark-text);
        border-radius: 28px;
        padding: 46px 40px;
        margin-top: 20px;
        overflow: hidden;
        position: relative;
        box-shadow: var(--shadow-md);
    }

    .cta-inner {
        max-width: 860px;
        margin: 0 auto;
        text-align: center;
    }

    .cta-inner .section-kicker {
        font-size: 14px;
        color: var(--accent);
        letter-spacing: 1px;
        font-weight: 600;
        display: block;
        margin-bottom: 8px;
    }

    .cta-inner h2 {
        color: #fff;
        font-size: clamp(1.6rem, 3vw, 2.4rem);
        line-height: 1.3;
        font-weight: 800;
        margin-bottom: 14px;
    }

    .cta-inner p {
        color: var(--dark-sub);
        font-size: 15px;
        max-width: 600px;
        margin: 0 auto 24px;
        line-height: 1.8;
    }

    .cta-btns {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .site-footer {
        background: var(--dark);
        color: rgba(244, 241, 236, .78);
        padding: 64px 0 0;
    }

    .site-footer .container {
        max-width: var(--container);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.4fr;
        gap: 40px;
        padding-bottom: 44px;
        border-bottom: 1px solid rgba(244, 241, 236, .08);
    }

    .footer-brand .branding {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 14px;
    }

    .footer-brand .footer-logo {
        width: 34px;
        height: 34px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: var(--primary);
        font-size: 12px;
        font-weight: 800;
        color: #fff;
    }

    .footer-brand .footer-name {
        font-size: 19px;
        font-weight: 800;
        color: var(--dark-text);
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.9;
        margin-bottom: 16px;
        color: rgba(244, 241, 236, .65);
    }

    .footer-meta {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 12px;
        color: rgba(244, 241, 236, .6);
    }

    .footer-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .footer-meta .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
    }

    .footer-title {
        color: var(--dark-text);
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 16px;
        letter-spacing: .2px;
    }

    .footer-links {
        display: grid;
        gap: 8px;
    }

    .footer-links a {
        color: rgba(244, 241, 236, .65);
        font-size: 13px;
        transition: color .2s, padding-left .2s;
    }

    .footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }

    .footer-contact p {
        font-size: 13px;
        line-height: 1.8;
        color: rgba(244, 241, 236, .62);
        margin-bottom: 0;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 20px 0;
        color: rgba(244, 241, 236, .45);
        font-size: 12px;
        flex-wrap: wrap;
    }

    .footer-bottom a {
        color: rgba(244, 241, 236, .68);
        transition: color .2s;
    }

    .footer-bottom a:hover {
        color: #fff;
    }

    @media (max-width: 1140px) {
        .header-inner {
            height: 64px;
        }
        .site-search {
            max-width: 190px;
        }
        .primary-nav {
            margin-left: 12px;
            gap: 2px;
        }
        .primary-nav .nav-link {
            padding: 0 12px;
        }
    }

    @media (max-width: 1024px) {
        .header-inner {
            justify-content: space-between;
        }
        .primary-nav {
            display: none;
        }
        .site-search {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .header-tools .btn-nav-desktop {
            display: none;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .category-banner-inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
            min-height: 180px;
            padding: 34px 0;
        }
        .category-banner-summary {
            text-align: left;
            max-width: 570px;
        }
        .cta-band {
            padding: 38px 24px 42px;
            border-radius: 24px;
        }
        .toc-card {
            position: static;
        }
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
            padding-bottom: 28px;
        }
        .intro-grid {
            grid-template-columns: 1fr;
        }
        .chapter-figure img {
            height: 190px;
        }
        .follow-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .flow-card {
            margin-left: 14px;
        }
        .category-banner-inner {
            min-height: 0;
        }
        .category-title {
            font-size: 2.1rem;
        }
        .cta-inner .cta-btns .btn {
            width: 100%;
            margin-bottom: 4px;
        }
    }

    @media (max-width: 640px) {
        .footer-bottom {
            justify-content: flex-start;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
        }
        .brand-text {
            font-size: 16px;
        }
        .chapter {
            padding: 20px 16px;
        }
        .chapter-head {
            align-items: flex-start;
        }
        .chapter-number {
            width: 40px;
            height: 40px;
            font-size: 16px;
        }
        .chapters h2 {
            font-size: 1.24rem;
        }
        .scope-row {
            padding: 14px;
            gap: 12px;
        }
        .mini-feature {
            padding: 12px 13px;
        }
        .cta-band {
            border-radius: 18px;
            margin-left: 6px;
            margin-right: 6px;
            padding: 32px 18px;
        }
        .site-footer {
            padding-top: 44px;
        }
    }

/* roulang page: category2 */
:root {
  --night: #0C7C75;
  --night-hover: #00665F;
  --arrival: #F26B2C;
  --ink: #191310;
  --page: #F7F6F2;
  --surface: #FFFFFF;
  --deep: #111B1A;
  --deep-text: #F4F1EC;
  --deep-sub: #AEBAB8;
  --text: #1C2624;
  --sub: #5F6D6B;
  --border: #E5E1D9;
  --shadow: 0 4px 16px rgba(17, 27, 26, 0.06);
  --shadow-hover: 0 16px 32px rgba(17, 27, 26, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --container: 1280px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--page);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

p {
  margin: 0 0 14px;
}

button {
  font-family: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(12, 124, 117, 0.28);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-block {
  padding: 96px 0;
}

.section-block.alt {
  background: var(--surface);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 42px;
}

.section-head h2 {
  margin: 4px 0 0;
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  max-width: 440px;
  margin: 0;
  color: var(--sub);
  font-size: 0.95rem;
  text-align: right;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--night);
}

.eyebrow-light {
  color: #7EC9C2;
}

.eyebrow i {
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.5;
  padding: 10px 22px;
  transition: background .2s, box-shadow .2s, transform .2s, border-color .2s;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--arrival);
  color: var(--ink);
}

.btn-primary:hover {
  background: #E95E1F;
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(242, 107, 44, 0.28);
}

.btn-arrival {
  background: var(--arrival);
  color: var(--ink);
}

.btn-arrival:hover {
  background: #E45217;
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(242, 107, 44, 0.3);
}

.btn-ghost-light {
  background: transparent;
  color: var(--deep-text);
  border: 1px solid rgba(244, 241, 236, 0.55);
}

.btn-ghost-light:hover {
  background: rgba(244, 241, 236, 0.12);
  color: #fff;
  border-color: #fff;
}

.btn-small {
  padding: 7px 16px;
  font-size: 0.88rem;
}

.btn-outline-light {
  border: 1px solid rgba(255,255,255,.5);
  background: transparent;
  color: var(--deep-text);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,.08);
  border-color: #fff;
  color: #fff;
}

.btn-primary-light {
  background: var(--night);
  color: #fff;
}

.btn-primary-light:hover {
  background: var(--night-hover);
  color: #fff;
}

.text-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--night);
  transition: gap .2s ease, color .2s ease;
}

.text-arrow:hover {
  color: var(--night-hover);
  gap: 10px;
}

.text-arrow-light {
  color: #fff;
}

.text-arrow-light:hover {
  color: #E8F3F2;
}

/* ========= Header ========= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(253, 252, 250, 0.98);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 3px 12px rgba(17, 27, 26, 0.02);
}

.header-bar {
  display: flex;
  align-items: center;
  min-height: 68px;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: 10px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--night);
  color: #fff;
  font-size: 0.85rem;
  transform: rotate(45deg);
}

.logo-mark i {
  transform: rotate(-45deg);
}

.logo-text {
  font-size: 1.36rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 17px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: #26312F;
  transition: background .2s, color .2s;
}

.nav-link:hover {
  background: #E7F1F0;
  color: var(--night-hover);
}

.nav-link.active {
  background: var(--night);
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 260px;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: #F2F0EB;
  border: 1px solid transparent;
  transition: background .2s, border-color .2s, box-shadow .2s;
}

.search-box i {
  color: var(--sub);
  font-size: 0.85rem;
}

.search-box input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 0.88rem;
  color: var(--text);
}

.search-box input::placeholder {
  color: #8B9592;
}

.search-box:focus-within {
  background: #fff;
  border-color: var(--night);
  box-shadow: 0 0 0 4px rgba(12, 124, 117, 0.13);
}

.header-cta {
  height: 38px;
  padding: 0 18px;
  font-size: 0.9rem;
}

.nav-toggle,
.drawer-close {
  display: none;
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(12, 20, 19, 0.46);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}

body.menu-open .menu-backdrop {
  opacity: 1;
  visibility: visible;
}

.mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 160;
  height: 100dvh;
  width: min(88vw, 380px);
  background: #FDFCFA;
  box-shadow: -16px 0 40px rgba(17, 27, 26, .12);
  transform: translateX(105%);
  transition: transform .32s ease;
  display: flex;
  flex-direction: column;
  padding: 22px;
}

body.menu-open .mobile-panel {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.drawer-brand {
  font-weight: 800;
  font-size: 1.2rem;
}

.drawer-close {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 0;
  background: #F0EFEA;
  color: var(--ink);
  font-size: 1.15rem;
  align-items: center;
  justify-content: center;
}

.drawer-link {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--text);
}

.drawer-link:hover,
.drawer-link.active {
  background: #E7F1F0;
  color: var(--night);
}

.mobile-search {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.mobile-search input {
  flex: 1;
  min-width: 0;
  height: 42px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 0 16px;
  outline: 0;
}

.mobile-search input:focus {
  border-color: var(--night);
  box-shadow: 0 0 0 4px rgba(12, 124, 117, 0.12);
}

/* ========= Category banner ========= */
.cat-banner {
  background: linear-gradient(102deg, rgba(17, 27, 26, 0.98) 0%, rgba(17, 27, 26, 0.84) 55%, rgba(23, 47, 44, 0.76) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  color: var(--deep-text);
  padding: 42px 0 54px;
  border-bottom: 3px solid var(--arrival);
}

.cat-banner-inner {
  position: relative;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--deep-sub);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: var(--deep-sub);
}

.breadcrumb a:hover {
  color: #fff;
}

.crumb-sep {
  opacity: .5;
}

.banner-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: center;
}

.banner-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #7EC9C2;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cat-banner h1 {
  font-size: clamp(2.25rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  color: #fff;
}

.banner-lead {
  margin: 0 0 24px;
  max-width: 520px;
  color: var(--deep-sub);
  font-size: 1rem;
  line-height: 1.8;
}

.banner-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.banner-float {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr;
}

.banner-note-card {
  background: rgba(244, 241, 236, 0.08);
  border: 1px solid rgba(244, 241, 236, 0.12);
  border-radius: 16px;
  padding: 18px;
  min-height: 128px;
}

.banner-note-card:first-child {
  background: rgba(12, 124, 117, 0.2);
}

.note-number {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.note-text {
  font-size: 0.86rem;
  color: var(--deep-sub);
  line-height: 1.6;
}

/* ========= featured ========= */
.featured-section {
  background: var(--page);
  padding: 96px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.feature-main {
  grid-column: span 7;
  min-height: 460px;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--deep);
  box-shadow: var(--shadow);
}

.feature-main img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
  transition: transform .5s ease, opacity .5s ease;
}

.feature-main:hover img {
  transform: scale(1.035);
  opacity: .9;
}

.feature-main:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,27,26,.12) 20%, rgba(17,27,26,.42) 66%, rgba(17,27,26,.96) 100%);
  pointer-events: none;
}

.feature-main-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 28px;
  z-index: 2;
}

.chip-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 700;
}

.chip-light {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
}

.chip-soft {
  background: #E7F1F0;
  color: var(--night);
}

.chip-line {
  border: 1px solid rgba(12, 124, 117, .25);
  color: var(--night);
  background: transparent;
}

.feature-main h3 {
  color: #fff;
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 10px;
}

.feature-main p {
  color: rgba(255,255,255,.8);
  max-width: 88%;
  margin-bottom: 14px;
  line-height: 1.65;
}

.feature-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  padding-bottom: 4px;
  border-bottom: 2px solid rgba(255,255,255,.25);
  transition: border-color .2s, gap .2s;
}

.feature-link:hover {
  border-color: var(--arrival);
  gap: 11px;
}

.feature-stack {
  grid-column: span 5;
  display: grid;
  gap: 24px;
}

.stack-card {
  position: relative;
  display: grid;
  grid-template-columns: 166px 1fr;
  min-height: 152px;
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
}

.stack-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stack-media {
  overflow: hidden;
  min-height: 100%;
}

.stack-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.stack-card:hover .stack-media img {
  transform: scale(1.04);
}

.stack-body {
  padding: 18px 18px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stack-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 8px 0 6px;
  line-height: 1.45;
}

.stack-body p {
  font-size: 0.87rem;
  color: var(--sub);
  line-height: 1.6;
  margin: 0;
}

.stack-body .text-arrow {
  margin-top: 10px;
  font-size: 0.84rem;
}

/* ========= path dark section ========= */
.path-section {
  background: var(--deep);
  color: var(--deep-text);
  padding: 96px 0;
  background-image: linear-gradient(180deg, rgba(17, 27, 26, 0.96), rgba(17, 27, 26, 0.88)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}

.path-section .section-desc {
  color: var(--deep-sub);
  text-align: right;
}

.path-section h2 {
  color: #fff;
}

.section-desc-light {
  color: var(--deep-sub);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.path-card {
  position: relative;
  padding: 26px 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 18px;
  transition: background .25s, transform .25s, border-color .25s;
}

.path-card:hover {
  background: rgba(12, 124, 117, 0.16);
  border-color: rgba(12, 124, 117, 0.45);
  transform: translateY(-4px);
}

.path-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--arrival);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.path-card h3 {
  font-size: 1.08rem;
  margin: 0 0 10px;
  color: #fff;
  line-height: 1.4;
}

.path-card p {
  font-size: 0.88rem;
  color: var(--deep-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* ========= focus / topics section ========= */
.focus-section {
  background: var(--surface);
  padding: 96px 0;
}

.focus-split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 44px;
  align-items: center;
}

.focus-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  min-height: 380px;
  background: var(--deep);
  box-shadow: var(--shadow);
}

.focus-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
}

.focus-visual:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(17,27,26,.45), transparent 40%);
}

.focus-badge {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(17,27,26,.82);
  color: #fff;
  border: 1px solid rgba(255,255,255,.14);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
}

.focus-badge i {
  color: var(--arrival);
}

.focus-list {
  display: grid;
}

.focus-item {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.focus-item:first-child {
  padding-top: 0;
}

.focus-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.focus-index {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--arrival);
  line-height: 1;
}

.focus-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 5px;
}

.focus-desc {
  font-size: 0.9rem;
  color: var(--sub);
  margin: 0;
  line-height: 1.7;
}

.focus-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #E7F1F0;
  color: var(--night);
  transition: background .2s, color .2s, transform .2s;
}

.focus-link:hover {
  background: var(--night);
  color: #fff;
  transform: translateX(4px);
}

/* ========= FAQ ========= */
.faq-section {
  background: var(--page);
  padding: 96px 0;
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 6px 22px;
  box-shadow: 0 2px 8px rgba(17,27,26,.03);
  transition: border-color .2s, box-shadow .2s;
}

.faq-item:hover,
.faq-item.is-open {
  border-color: rgba(12, 124, 117, 0.38);
  box-shadow: 0 10px 22px rgba(17,27,26,.06);
}

.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 0;
  background: transparent;
  border: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
}

.faq-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #EAF1F0;
  color: var(--night);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s, background .3s;
}

.faq-icon i {
  font-size: 0.9rem;
}

.faq-item.is-open .faq-icon {
  background: var(--night);
  color: #fff;
  transform: rotate(135deg);
}

.faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}

.faq-body-inner {
  overflow: hidden;
}

.faq-item.is-open .faq-body {
  grid-template-rows: 1fr;
}

.faq-answer {
  color: var(--sub);
  font-size: 0.94rem;
  line-height: 1.8;
  padding: 0 0 18px;
}

/* ========= CTA ========= */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(110deg, rgba(17, 27, 26, .97), rgba(17, 27, 26, .85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.cta-section:before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -80px;
  top: -140px;
  background: radial-gradient(circle, rgba(242, 107, 44, .22), transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 42px;
  align-items: center;
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.cta-sub {
  font-size: 1rem;
  color: var(--deep-sub);
  max-width: 560px;
  margin: 0;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========= Footer ========= */
.site-footer {
  background: var(--deep);
  color: var(--deep-sub);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.1fr;
  gap: 42px;
  padding-bottom: 40px;
}

.footer-brand p {
  max-width: 340px;
  font-size: 0.92rem;
  line-height: 1.8;
  margin: 16px 0 18px;
}

.branding {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--night);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
}

.footer-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.footer-meta {
  display: flex;
  gap: 18px;
  font-size: 0.82rem;
  color: var(--deep-sub);
  flex-wrap: wrap;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--arrival);
  margin-right: 5px;
  vertical-align: middle;
}

.footer-title {
  font-size: 0.95rem;
  color: #fff;
  margin: 8px 0 16px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--deep-sub);
  width: fit-content;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-contact p {
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.84rem;
}

.footer-bottom span:last-child {
  color: #6B7A78;
}

/* ========= responsive ========= */
@media (max-width: 1100px) {
  .primary-nav {
    gap: 2px;
  }

  .nav-link {
    padding: 8px 12px;
  }

  .search-box {
    width: 200px;
  }

  .header-cta {
    display: none;
  }

  .feature-main {
    grid-column: span 12;
  }

  .feature-stack {
    grid-column: span 12;
    grid-template-columns: 1fr 1fr;
  }

  .stack-card {
    grid-template-columns: 130px 1fr;
  }

  .path-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .focus-split {
    grid-template-columns: 1fr;
  }

  .focus-visual {
    min-height: 300px;
  }
}

@media (max-width: 1024px) {
  .primary-nav,
  .search-box {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-size: 1.2rem;
    margin-left: auto;
    cursor: pointer;
  }

  .header-actions {
    margin-left: auto;
  }

  .header-bar {
    gap: 10px;
  }
}

@media (max-width: 840px) {
  .section-block,
  .featured-section,
  .path-section,
  .focus-section,
  .faq-section {
    padding: 64px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 28px;
  }

  .section-desc,
  .path-section .section-desc {
    text-align: left;
  }

  .banner-grid {
    grid-template-columns: 1fr;
  }

  .banner-float {
    max-width: 520px;
  }

  .feature-stack {
    grid-template-columns: 1fr;
  }

  .stack-card {
    grid-template-columns: 156px 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .header-bar {
    min-height: 56px;
  }

  .logo-text {
    font-size: 1.18rem;
  }

  .cat-banner {
    padding: 28px 0 38px;
  }

  .cat-banner h1 {
    font-size: 2rem;
  }

  .banner-actions,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .feature-grid {
    gap: 16px;
  }

  .feature-main {
    min-height: 380px;
  }

  .feature-main h3 {
    font-size: 1.28rem;
  }

  .feature-main p {
    font-size: 0.92rem;
    max-width: 100%;
  }

  .path-grid {
    grid-template-columns: 1fr;
  }

  .focus-item {
    grid-template-columns: 52px 1fr;
  }

  .focus-link {
    display: none;
  }

  .stack-card {
    grid-template-columns: 1fr;
  }

  .stack-media {
    min-height: 180px;
    max-height: 220px;
    overflow: hidden;
  }

  .stack-media img {
    height: 100%;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 64px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    font-size: 0.78rem;
  }
}

/* roulang page: category3 */
:root {
  --brand: #0C7C75;
  --brand-dark: #00665F;
  --brand-soft: #E7F1F0;
  --accent: #F26B2C;
  --ink: #191310;
  --light-bg: #F7F6F2;
  --soft-bg: #EFEFEA;
  --white: #FFFFFF;
  --deep: #111B1A;
  --deep-soft: #1A2926;
  --text: #1C2624;
  --sub: #5F6D6B;
  --border: #E5E1D9;
  --night: #0C7C75;
  --radius-card: 16px;
  --radius-pill: 999px;
  --shadow: 0 4px 16px rgba(17,27,26,.06);
  --shadow-lg: 0 18px 40px rgba(17,27,26,.14);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);background:var(--light-bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
svg{vertical-align:middle;}
ul,ol{list-style:none;}
a:focus-visible,button:focus-visible,summary:focus-visible,.search-box:focus-within{outline:3px solid rgba(12,124,117,.35);outline-offset:2px;border-radius:var(--radius-pill);}
.skip-link{position:absolute;left:-999px;top:8px;z-index:200;background:var(--white);padding:10px 20px;border-radius:var(--radius-pill);box-shadow:var(--shadow);}
.skip-link:focus{left:16px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;}
.content-section{padding:96px 0;}
.section-white{background:var(--white);}
.section-soft{background:var(--light-bg);}
.section-head{max-width:820px;margin:0 auto 54px;text-align:center;}
.overline{display:inline-flex;align-items:center;gap:10px;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.12em;margin-bottom:12px;text-transform:uppercase;}
.overline-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;}
.section-head h2{color:var(--text);font-size:clamp(1.6rem,2.6vw,2.5rem);font-weight:800;line-height:1.22;}
.section-lead{margin-top:16px;color:var(--sub);font-size:17px;line-height:1.8;}
.section-head.left{text-align:left;margin-left:0;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:46px;padding:0 26px;border-radius:var(--radius-pill);font-weight:700;font-size:15px;line-height:1;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap;}
.btn i{font-size:.9em;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(12,124,117,.2);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(12,124,117,.26);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#E85E1F;transform:translateY(-2px);box-shadow:0 10px 24px rgba(242,107,44,.24);}
.btn-ghost-light{border-color:rgba(255,255,255,.65);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-ghost{background:var(--white);border-color:var(--border);color:var(--text);}
.btn-ghost:hover{border-color:#BDB8AE;transform:translateY(-2px);box-shadow:var(--shadow);}

.site-header{position:sticky;top:0;z-index:100;background:#FDFCFA;border-bottom:1px solid var(--border);box-shadow:0 1px 8px rgba(17,27,26,.04);}
.header-inner{display:flex;align-items:center;min-height:68px;padding-top:8px;padding-bottom:8px;gap:28px;}
.branding{flex-shrink:0;}
.branding a{display:flex;align-items:center;gap:11px;}
.brand-logo{width:40px;height:40px;border-radius:13px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;letter-spacing:-.5px;box-shadow:0 5px 14px rgba(12,124,117,.3);}
.brand-name{font-size:22px;font-weight:850;letter-spacing:-.5px;color:var(--ink);line-height:1;}
.brand-name small{font-size:14px;font-weight:700;color:#667572;letter-spacing:.2em;margin-left:2px;}
.header-links{flex:1;display:flex;align-items:center;justify-content:center;}
.primary-nav{display:flex;align-items:center;gap:5px;}
.nav-link{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;border-radius:var(--radius-pill);font-weight:600;font-size:15px;color:#344440;transition:background .2s ease,color .2s ease;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.active{background:#DFF1EF;color:var(--brand-dark);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-box{width:230px;height:42px;background:#F2F0EB;border:1px solid transparent;border-radius:var(--radius-pill);display:flex;align-items:center;padding:0 8px 0 16px;gap:5px;transition:border-color .2s,box-shadow .2s,background .2s;}
.search-box i{color:#84918F;font-size:14px;}
.search-box input{width:100%;border:none;outline:none;background:transparent;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:#9AA4A2;}
.search-box:focus-within{background:var(--white);border-color:var(--brand);box-shadow:0 0 0 4px rgba(12,124,117,.13);}
.header-cta{display:inline-flex;align-items:center;height:42px;padding:0 22px;border-radius:var(--radius-pill);background:var(--accent);color:var(--ink);font-weight:800;font-size:14px;letter-spacing:.02em;transition:.2s;white-space:nowrap;}
.header-cta:hover{background:#E85E1F;transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,107,44,.26);}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:999px;background:#EFF1EC;border:none;color:var(--ink);font-size:18px;cursor:pointer;}
.menu-toggle:hover{background:var(--brand-soft);}
.drawer-footer{display:none;}

.banner{background:linear-gradient(135deg,#F5F2E9 0%,#E7F2EF 100%);border-bottom:1px solid var(--border);padding:46px 0 42px;overflow:hidden;}
.banner-inner{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;}
.banner-main{max-width:720px;}
.banner-overline{display:flex;align-items:center;gap:10px;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.1em;margin-bottom:14px;}
.banner-main h1{font-size:clamp(2.1rem,4vw,3rem);font-weight:900;line-height:1.18;color:#0F1F1D;letter-spacing:-.04em;}
.banner-desc{font-size:16.5px;color:#485855;line-height:1.85;margin-top:16px;}
.banner-aside{min-width:270px;background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.7);border-radius:24px;padding:20px 22px;box-shadow:0 14px 30px rgba(17,27,26,.08);}
.branch-label{font-size:13px;color:var(--sub);font-weight:600;letter-spacing:.05em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.branch-label i{color:var(--brand);}
.branch-list{display:flex;flex-direction:column;gap:9px;}
.branch-list a{display:flex;align-items:center;justify-content:space-between;padding:11px 15px;border-radius:14px;background:#F5F4EF;font-size:14.5px;font-weight:600;color:#1E2B29;transition:.2s;}
.branch-list a i{color:var(--brand);font-size:13px;opacity:0;transform:translateX(-5px);transition:.2s;}
.branch-list a:hover{background:var(--brand);color:#fff;}
.branch-list a:hover i{opacity:1;transform:none;color:#fff;}

.feature-split{background:var(--white);}
.feature-card{background:var(--white);border:1px solid #ECE8E0;border-radius:28px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.feature-media{background:#E5E6DE;min-height:330px;}
.feature-media img{width:100%;height:100%;min-height:330px;object-fit:cover;}
.feature-body{padding:52px 48px;display:flex;flex-direction:column;justify-content:center;}
.kicker{display:inline-flex;align-items:center;gap:7px;background:#EAF6F4;color:var(--brand-dark);font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;width:fit-content;margin-bottom:18px;}
.feature-body h3{color:#132321;font-size:1.42rem;line-height:1.5;font-weight:800;}
.feature-body p{color:var(--sub);font-size:15.5px;line-height:1.85;margin-top:12px;}
.feature-body p + p{margin-top:10px;}
.check-list{margin-top:20px;display:grid;gap:9px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#334846;font-size:14.8px;}
.check-list li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--brand);flex:none;font-size:1.05rem;margin-top:2px;}
.feature-body .btn{margin-top:28px;align-self:flex-start;}
.feature-row + .feature-row{margin-top:30px;}

.feature-card.flip .feature-media{order:2;}
.feature-card.flip .feature-body{order:1;}

.service-grid .cell{margin-bottom:24px;}
.service-card{background:var(--white);border:1px solid var(--border);border-radius:20px;height:100%;padding:34px 26px 28px;position:relative;overflow:hidden;transition:transform .28s,border-color .28s,box-shadow .28s;}
.service-card::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,var(--brand),#6FBDB3);opacity:0;transition:.3s;}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.service-card:hover::before{opacity:1;}
.service-icon{width:52px;height:52px;background:#E5F3F0;color:var(--brand);border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:20px;}
.service-card h3{font-size:17px;font-weight:800;color:#142522;margin:4px 0 10px;}
.service-card p{font-size:14px;line-height:1.75;color:var(--sub);}

.map-band{position:relative;background:var(--deep);overflow:hidden;}
.map-backdrop{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.26;}
.map-band .container{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;}
.map-inner{display:grid;grid-template-columns:1fr .95fr;gap:58px;align-items:center;}
.map-main .overline{color:#8FCFC7;}
.map-main h2{color:#F5F2EC;font-size:clamp(1.7rem,2.8vw,2.5rem);line-height:1.35;font-weight:800;margin:12px 0 20px;}
.map-main p{color:#AEBAB8;font-size:15.5px;line-height:1.9;max-width:540px;}
.map-path{display:flex;flex-direction:column;gap:15px;}
.path-home,.path-node{display:flex;align-items:center;gap:15px;min-height:68px;padding:0 22px;border-radius:20px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);color:#ECF1EF;font-size:16px;font-weight:650;backdrop-filter:blur(3px);}
.path-home{background:var(--brand);border-color:transparent;font-weight:800;}
.path-home i{font-size:18px;}
.path-node i{width:30px;height:30px;border-radius:50%;background:rgba(242,107,44,.16);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;font-style:normal;flex:none;}
.path-node span{display:flex;flex-direction:column;line-height:1.35;}
.path-node small{color:#81908D;font-weight:500;font-size:13px;letter-spacing:.03em;}

.faq-band{background:var(--light-bg);}
.faq-list{max-width:920px;margin:0 auto;}
.faq-card{background:var(--white);border:1px solid var(--border);border-radius:20px;margin-bottom:14px;box-shadow:0 2px 10px rgba(17,27,26,.03);transition:box-shadow .25s,border-color .25s;}
.faq-card[open]{border-color:#D8DCD4;box-shadow:var(--shadow);}
.faq-card summary{position:relative;cursor:pointer;list-style:none;display:flex;align-items:center;padding:20px 68px 20px 26px;font-size:16px;font-weight:700;color:#172A27;line-height:1.6;}
.faq-card summary::-webkit-details-marker{display:none;}
.faq-card summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:20px;top:50%;transform:translateY(-50%);width:36px;height:36px;background:#EEF2ED;border-radius:50%;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;transition:.3s;}
.faq-card[open] summary::after{background:var(--brand);color:#fff;transform:translateY(-50%) rotate(180deg);}
.faq-answer{padding:0 92px 24px 26px;color:var(--sub);font-size:15px;line-height:1.8;}

.cta-band{padding:0;background:var(--deep);}
.cta-card{position:relative;overflow:hidden;background:radial-gradient(circle at 84% 18%,rgba(242,107,44,.22),transparent 28%),radial-gradient(circle at 12% 100%,rgba(12,124,117,.35),transparent 46%),var(--deep);border:1px solid rgba(255,255,255,.08);border-radius:36px;margin:-70px auto 0;}
.cta-card .cta-inner{padding:80px 70px;text-align:center;}
.cta-card h2{color:#F7F3EA;font-size:clamp(1.65rem,3vw,2.5rem);line-height:1.35;font-weight:850;letter-spacing:-.02em;}
.cta-card p{color:#BCC9C6;margin:16px auto 34px;max-width:620px;font-size:16px;line-height:1.85;}
.cta-buttons{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

.site-footer{background:var(--deep);color:#AEBCB8;padding-top:90px;}
.site-footer .container{max-width:1280px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.25fr;gap:52px;padding-bottom:52px;}
.footer-brand .branding{margin-bottom:18px;}
.footer-logo{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:12px;font-weight:900;font-size:14px;}
.footer-name{font-size:21px;font-weight:800;color:#E7EEEA;margin-left:10px;}
.footer-brand p{font-size:14px;line-height:1.9;color:#899B97;max-width:300px;}
.footer-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px 22px;font-size:13px;}
.footer-meta span{display:inline-flex;align-items:center;gap:8px;color:#9EB1AC;}
.dot{width:8px;height:8px;background:var(--accent);border-radius:50%;display:inline-block;}
.footer-title{color:#DEE8E4;font-size:16px;font-weight:700;margin-bottom:20px;}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{color:#93A39E;font-size:14px;transition:.2s;width:fit-content;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact p{font-size:14px;line-height:1.85;color:#93A39E;margin:0;}
.footer-contact p i{color:var(--accent);margin-right:6px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7E918C;gap:10px;flex-wrap:wrap;}

@media(max-width:1100px){
  .brand-name{font-size:20px;}
  .header-inner{gap:16px;}
  .search-box{width:180px;}
  .nav-link{padding:0 13px;font-size:14px;}
  .feature-body{padding:38px 32px;}
  .footer-grid{gap:36px;grid-template-columns:1.2fr 1fr 1fr;}
  .footer-grid .footer-contact{grid-column:1 / -1;}
}

@media(max-width:1023px){
  .header-inner{position:relative;min-height:56px;}
  .primary-nav{flex-direction:column;gap:4px;}
  .nav-link{width:100%;height:44px;border-radius:14px;}
  .header-actions .search-box,.header-actions .header-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-links{position:absolute;top:calc(100% + 12px);left:16px;right:16px;flex-direction:column;align-items:stretch;background:#FCFBF8;border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:18px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:.3s;z-index:200;}
  .header-links.nav-open{opacity:1;visibility:visible;transform:none;}
  .drawer-footer{display:flex;flex-direction:column;gap:12px;margin-top:14px;padding-top:16px;border-top:1px solid var(--border);}
  .drawer-footer .search-box{display:flex;width:100%;height:44px;}
  .drawer-footer .btn{width:100%;height:44px;}
  .banner{padding:40px 0;}
  .banner-inner{flex-direction:column;align-items:flex-start;}
  .banner-aside{width:100%;}
  .map-inner{grid-template-columns:1fr;}
  .feature-card{grid-template-columns:1fr;}
  .feature-card.flip .feature-media{order:1;}
  .feature-card.flip .feature-body{order:2;}
  .feature-media img{min-height:300px;}
}

@media(max-width:767px){
  .content-section{padding:64px 0;}
  .container{padding-left:18px;padding-right:18px;}
  .row-expanded.container{padding-left:18px;padding-right:18px;}
  .feature-body{padding:30px 24px;}
  .feature-body h3{font-size:1.2rem;}
  .feature-media img{min-height:230px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1/-1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .service-card{padding:26px 20px;}
}

@media(max-width:520px){
  .brand-logo{width:34px;height:34px;border-radius:11px;font-size:12px;}
  .brand-name{font-size:17px;}
  .header-cta{display:none;}
  .primary-nav .nav-link{padding-left:0;font-size:16px;}
  .page-banner .container,.banner-main{padding-right:0;padding-left:0;}
  .banner-main h1{font-size:2rem;}
  .faq-answer{padding:0 24px 24px;}
  .faq-card summary{padding:18px 58px 18px 18px;font-size:15px;}
  .cta-band{padding-top:0;}
  .cta-card{border-radius:24px;}
  .cta-card .cta-inner{padding:54px 24px;}
}

html .fa-regular,html .fa-solid{font-family:"Font Awesome 6 Free";}