/* roulang page: index */
:root{
  --ink:#0F3D33;
  --ink-deep:#0A2A23;
  --ink-light:#1B6350;
  --amber:#E07A2F;
  --amber-deep:#C4651A;
  --amber-soft:#F5B97A;
  --celadon:#6E9A8B;
  --bg:#F7F4ED;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --t1:#16201C;
  --t2:#4B5651;
  --t3:#7E8A84;
  --line:#E2DCD0;
  --on-dark:#F2EFE7;
  --on-dark-2:rgba(242,239,231,.72);
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06);
  --sh-2:0 8px 24px rgba(15,61,51,.08);
  --sh-3:0 14px 32px rgba(15,61,51,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;padding:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.9;letter-spacing:.01em;
  color:var(--t1);background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease}
a:hover{color:var(--amber)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.35;font-weight:700;letter-spacing:.014em;color:var(--t1)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:24px}
h4{font-size:19px}
p{margin:0 0 1.1em}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ 头部导航 ============ */
.site-header{position:relative;z-index:90}
.brand-bar{background:var(--card);border-bottom:1px solid var(--line)}
.brand-row{display:flex;align-items:center;gap:24px;min-height:78px;padding-top:12px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--on-dark);font-size:15px;font-weight:700;letter-spacing:.06em}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.logo-text em{font-style:normal;font-size:12px;color:rgba(15,61,51,.7);letter-spacing:.08em}
.logo:hover .logo-text strong{color:var(--amber)}
.brand-collapse{display:flex;align-items:center;gap:20px;flex:1 1 auto;justify-content:flex-end}
.nav-search{display:flex;align-items:center;flex:1 1 auto;max-width:420px;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 18px;transition:border-color .25s ease,box-shadow .25s ease}
.nav-search:hover{border-color:var(--celadon)}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,122,47,.14)}
.nav-search input{flex:1 1 auto;border:0;background:transparent;outline:none;height:38px;color:var(--t1);font-size:15px;min-width:0}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{border:0;border-radius:var(--r-pill);background:var(--ink);color:var(--on-dark);padding:0 20px;height:38px;font-size:15px;font-weight:600;transition:background-color .25s ease,color .25s ease}
.nav-search button:hover{background:var(--amber);color:#fff}
.brand-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .25s ease}
.link-arrow:hover{color:var(--amber)}
.link-arrow:hover::after{transform:translateX(3px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);padding:0;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;position:absolute;left:50%;width:20px;height:2px;background:var(--ink);border-radius:2px;transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease}
.nav-toggle span{top:21px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.channel-bar{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:var(--sh-1)}
.channel-row{position:relative;padding-top:10px;padding-bottom:10px}
.channel-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--card);color:var(--t2);font-size:15px;font-weight:600;white-space:nowrap;transition:all .25s ease}
.pill:hover{border-color:var(--amber-soft);background:#FDF1E6;color:var(--amber-deep)}
.pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.pill.is-active:hover{background:var(--ink-light);border-color:var(--ink-light);color:#fff}
.channel-row::after{content:"";position:absolute;right:0;top:0;bottom:0;width:52px;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.96))}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:16px;font-weight:600;line-height:1.4;transition:all .25s ease}
.btn-lg{padding:15px 30px;font-size:17px}
.btn-primary{background:var(--amber);border-color:var(--amber);color:#fff}
.btn-primary:hover{background:var(--amber-deep);border-color:var(--amber-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,122,47,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border-color:rgba(242,239,231,.55);color:var(--on-dark);background:transparent}
.btn-outline:hover{border-color:var(--amber-soft);background:rgba(245,185,122,.14);color:#fff}
.btn-dark{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.btn-dark:hover{background:var(--ink-light);border-color:var(--ink-light);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,61,51,.2)}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(224,122,47,.12);color:var(--amber-deep);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge-light{background:rgba(242,239,231,.16);color:var(--on-dark)}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--celadon);text-transform:uppercase;margin-bottom:14px}
.section-tag::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:var(--on-dark);display:flex;align-items:center;min-height:600px;padding:88px 0}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.6}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(10,42,35,.95) 0%,rgba(10,42,35,.78) 42%,rgba(10,42,35,.36) 100%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.hero-copy{max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 16px;border-radius:var(--r-pill);border:1px solid rgba(242,239,231,.24);background:rgba(242,239,231,.08);font-size:13px;letter-spacing:.1em;color:var(--on-dark-2);margin-bottom:22px}
.hero h1{color:#fff;font-size:44px;line-height:1.28;margin-bottom:20px;letter-spacing:.02em}
.hero-sub{font-size:18px;line-height:1.9;color:var(--on-dark-2);max-width:640px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:44px}
.hero-stats{display:flex;flex-wrap:wrap;gap:48px;padding-top:28px;border-top:1px solid rgba(242,239,231,.18)}
.hero-stats li{display:flex;flex-direction:column;gap:4px}
.hero-stats strong{font-size:30px;font-weight:700;color:var(--amber-soft);line-height:1.2;font-family:"Inter",system-ui,sans-serif}
.hero-stats span{font-size:14px;color:var(--on-dark-2)}
.hero-side{position:relative}
.hero-side img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(242,239,231,.18);box-shadow:0 24px 48px rgba(0,0,0,.28)}
.hero-side figcaption{margin-top:14px;font-size:13px;color:var(--on-dark-2);letter-spacing:.02em}

/* ============ 快筛条 ============ */
.quickbar{background:var(--card);border-bottom:1px solid var(--line)}
.quickbar-inner{display:flex;align-items:center;gap:20px;padding-top:16px;padding-bottom:16px}
.quickbar-label{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--t3);letter-spacing:.08em}
.quick-tabs{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.quick-tabs::-webkit-scrollbar{display:none}
.pill-ghost{flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);color:var(--t2);font-size:14px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;transition:all .25s ease}
.pill-ghost:hover{border-color:var(--amber-soft);background:#FDF1E6;color:var(--amber-deep)}

/* ============ 通用板块 ============ */
.section{padding:100px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head h2{margin-bottom:0;max-width:640px}
.section-head p{color:var(--t2);max-width:680px;margin:0}

/* ============ 主张区 ============ */
.claim-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:64px;align-items:start}
.claim-lead{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:40px 36px;box-shadow:var(--sh-2)}
.claim-lead p{color:var(--t2);font-size:17px}
.claim-list{display:flex;flex-direction:column;gap:20px}
.claim-list li{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--celadon);border-radius:var(--r-card);padding:24px 28px;box-shadow:var(--sh-1);transition:box-shadow .3s ease,transform .3s ease,border-left-color .3s ease}
.claim-list li:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-left-color:var(--amber)}
.claim-list h3{font-size:19px;margin-bottom:6px}
.claim-list p{margin:0;color:var(--t2);font-size:16px;line-height:1.85}

/* ============ 动线区 ============ */
.story-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:64px;align-items:center}
.story-copy>p{color:var(--t2);max-width:600px}
.timeline{display:flex;flex-direction:column;gap:0;margin-top:14px}
.timeline li{display:flex;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.tl-num{flex:0 0 auto;font-family:"Inter",system-ui,sans-serif;font-size:24px;font-weight:700;color:var(--amber);line-height:1.3;min-width:44px}
.timeline h3{font-size:18px;margin-bottom:4px}
.timeline p{margin:0;color:var(--t2);font-size:16px;line-height:1.8}
.story-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}

/* ============ 精选卡片 ============ */
.featured-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .3s ease,transform .3s ease}
.fcard:hover{box-shadow:var(--sh-3);transform:translateY(-3px)}
.fcard-link{display:flex;flex-direction:column;height:100%;color:inherit}
.fcard-link:hover{color:inherit}
.fcard-media{display:block;overflow:hidden;background:var(--bg-alt)}
.fcard-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.fcard:hover .fcard-media img{transform:scale(1.03)}
.fcard-body{display:flex;flex-direction:column;gap:10px;padding:24px;flex:1 1 auto}
.fcard-body h3{font-size:19px;margin:0;transition:color .25s ease}
.fcard:hover .fcard-body h3{color:var(--ink)}
.fcard-body p{margin:0;color:var(--t2);font-size:15.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{font-size:13.5px;color:var(--t3);letter-spacing:.02em;margin-top:auto}
.fcard.is-featured{grid-column:span 2;grid-row:span 2}
.fcard.is-featured .fcard-link{position:relative;justify-content:flex-end;min-height:420px}
.fcard.is-featured .fcard-media{position:absolute;inset:0}
.fcard.is-featured .fcard-media img{height:100%;aspect-ratio:auto}
.fcard.is-featured .fcard-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,42,35,.15) 30%,rgba(10,42,35,.88) 100%)}
.fcard.is-featured .fcard-body{position:relative;z-index:2;color:var(--on-dark)}
.fcard.is-featured .fcard-body h3{font-size:26px;color:#fff;-webkit-line-clamp:2}
.fcard.is-featured .fcard-body p{color:var(--on-dark-2);-webkit-line-clamp:2;font-size:16px}
.fcard.is-featured .meta{color:rgba(242,239,231,.66)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.news-card{display:flex;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:box-shadow .3s ease,transform .3s ease;color:inherit;align-items:stretch}
.news-card:hover{box-shadow:var(--sh-3);transform:translateY(-3px);color:inherit}
.news-thumb{flex:0 0 152px;border-radius:10px;overflow:hidden;background:var(--bg-alt)}
.news-thumb img{width:100%;height:100%;min-height:118px;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-body h3{font-size:18px;margin:0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-body h3{color:var(--ink)}
.news-body p{margin:0;font-size:15px;line-height:1.78;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body .meta{font-size:13.5px;color:var(--t3);margin-top:auto}
.news-empty{border:1px dashed var(--line);border-radius:var(--r-card);background:var(--card);min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px}
.news-empty .empty-mark{width:56px;height:56px;border-radius:50%;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--celadon);font-size:22px}
.news-empty p{margin:0;color:var(--t2)}
.news-empty a{font-weight:600}

/* ============ 信任背书 ============ */
.proof-head{max-width:760px;margin-bottom:36px}
.proof-head p{color:var(--t2);margin:0}
.proof-logos{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.proof-logos li{padding:12px 22px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--card);font-size:15px;font-weight:600;color:var(--t2);letter-spacing:.04em}
.proof-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.proof-stats li{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.proof-stats strong{display:block;font-family:"Inter",system-ui,sans-serif;font-size:30px;font-weight:700;color:var(--ink);line-height:1.25;margin-bottom:6px}
.proof-stats span{color:var(--t2);font-size:15.5px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
.faq-intro p{color:var(--t2)}
.accordion{margin:0;border:0;background:transparent}
.accordion .accordion-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .3s ease,border-color .3s ease}
.accordion .accordion-item.is-active{border-color:var(--amber-soft);box-shadow:var(--sh-2)}
.accordion .accordion-title{display:block;position:relative;padding:20px 56px 20px 26px;font-size:18px;font-weight:600;color:var(--t1);border:0;background:transparent;line-height:1.6;transition:color .25s ease,background-color .25s ease}
.accordion .accordion-title::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--amber);border-radius:0 3px 3px 0;transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.accordion .accordion-item.is-active .accordion-title{color:var(--ink);background:#FBF6EE}
.accordion .accordion-item.is-active .accordion-title::before{transform:scaleY(1)}
.accordion .accordion-title::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--celadon);line-height:1}
.accordion .accordion-item.is-active .accordion-title::after{content:"−";color:var(--amber)}
.accordion .accordion-content{padding:0 26px 24px;border:0;background:transparent;font-size:16.5px;line-height:1.88;color:var(--t2)}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* ============ CTA ============ */
.section-cta{background:var(--ink);color:var(--on-dark);padding:88px 0}
.cta-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:56px;align-items:center}
.section-cta h2{color:#fff}
.section-cta p{color:var(--on-dark-2)}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.cta-points li{position:relative;padding-left:24px;color:var(--on-dark-2);font-size:16px}
.cta-points li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:var(--amber-soft)}
.cta-form{background:rgba(242,239,231,.06);border:1px solid rgba(242,239,231,.18);border-radius:var(--r-lg);padding:36px}
.cta-form label{display:block;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--on-dark-2);margin-bottom:12px}
.field-row{display:flex;gap:12px;flex-wrap:wrap}
.field-row input{flex:1 1 220px;min-width:0;height:52px;border-radius:var(--r-btn);border:1px solid rgba(242,239,231,.24);background:rgba(10,42,35,.5);color:#fff;padding:0 18px;outline:none;transition:border-color .25s ease,box-shadow .25s ease}
.field-row input::placeholder{color:rgba(242,239,231,.45)}
.field-row input:hover{border-color:var(--celadon)}
.field-row input:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,122,47,.2)}
.form-note{font-size:14px;color:rgba(242,239,231,.6);margin:16px 0 0}
.form-msg{font-size:14.5px;margin:12px 0 0;color:var(--amber-soft);min-height:22px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:var(--on-dark);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.5fr) minmax(0,2.5fr) minmax(0,3fr);gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(242,239,231,.16)}
.logo--footer{display:inline-block;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.logo--footer:hover{color:var(--amber-soft)}
.footer-brand p{color:var(--on-dark-2);font-size:15px;line-height:1.85;margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:15px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--amber-soft)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:24px}
.footer-bottom p{margin:0;font-size:14px;color:rgba(242,239,231,.55)}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .hero h1{font-size:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  h1{font-size:34px}
  h2{font-size:27px}
  h3{font-size:21px}
  .hero{padding:68px 0;min-height:0}
  .hero h1{font-size:34px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-side{order:-1}
  .hero-stats{gap:32px}
  .claim-grid,.story-grid,.faq-wrap,.cta-grid{grid-template-columns:1fr;gap:36px}
  .featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fcard.is-featured{grid-column:span 2;grid-row:auto}
  .proof-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .brand-row{flex-wrap:wrap;justify-content:space-between}
  .brand-collapse{display:none}
  .site-header.nav-open .brand-collapse{display:flex;flex-direction:column;align-items:stretch;gap:16px;width:100%;flex:1 0 100%;padding-bottom:8px;border-top:1px solid var(--line);padding-top:18px}
  .site-header.nav-open .nav-search{max-width:none}
  .site-header.nav-open .brand-actions{justify-content:flex-start}
  .site-header.nav-open .nav-toggle span{background:transparent}
  .site-header.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
  .site-header.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 18px}
  .section{padding:56px 0}
  h1{font-size:27px}
  h2{font-size:23px}
  h3{font-size:19px}
  .hero{padding:56px 0}
  .hero h1{font-size:27px}
  .hero-sub{font-size:16.5px}
  .hero-stats{gap:22px;padding-top:22px}
  .hero-stats strong{font-size:24px}
  .hero-cta .btn{width:100%}
  .quickbar-inner{flex-direction:column;align-items:flex-start;gap:12px}
  .featured-grid{grid-template-columns:1fr}
  .fcard.is-featured{grid-column:auto}
  .fcard.is-featured .fcard-link{min-height:320px}
  .news-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column}
  .news-thumb{flex:0 0 auto}
  .news-thumb img{height:180px}
  .proof-stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-form{padding:24px}
  .section-head{margin-bottom:32px}
}

/* roulang page: article */
:root{
  --ink:#0F3D33;
  --ink-deep:#0A2A23;
  --ink-light:#1B6350;
  --amber:#E07A2F;
  --amber-soft:#F5B97A;
  --celadon:#6E9A8B;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-soft:#EFEAE0;
  --text:#16201C;
  --text-2:#4B5651;
  --text-3:#7E8A84;
  --line:#E2DCD0;
  --line-dark:rgba(242,239,231,.18);
  --paper:#F2EFE7;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06);
  --sh-2:0 8px 24px rgba(15,61,51,.08);
  --sh-3:0 14px 32px rgba(15,61,51,.14);
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink-light);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--amber)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.015em;color:var(--text)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
::selection{background:var(--amber-soft);color:var(--ink-deep)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#C9681F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:#B45C1B}
.btn-ghost{background:transparent;border-color:rgba(15,61,51,.28);color:var(--ink)}
.btn-ghost:hover{background:rgba(245,185,122,.25);border-color:var(--amber);color:var(--ink-deep)}
.btn-ghost:active{background:rgba(245,185,122,.4)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .22s ease}
.link-arrow:hover{color:var(--amber)}
.link-arrow:hover::after{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);
  background:rgba(224,122,47,.12);color:#B45C1B;
  font-size:12px;font-weight:600;letter-spacing:.05em;
}
.badge-soft{background:rgba(110,154,139,.16);color:var(--ink-light)}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:var(--surface);box-shadow:var(--sh-1)}
.brand-bar{border-bottom:1px solid var(--line);background:var(--surface)}
.brand-row{display:flex;align-items:center;gap:28px;min-height:84px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:14px;
  background:var(--ink);color:var(--paper);
  font-size:15px;font-weight:700;letter-spacing:.04em;
}
.logo-text strong{display:block;font-size:17px;font-weight:700;color:var(--text);letter-spacing:.02em}
.logo-text em{display:block;font-style:normal;font-size:12px;color:rgba(15,61,51,.68);letter-spacing:.08em;line-height:1.6}
.brand-collapse{display:flex;align-items:center;justify-content:space-between;gap:24px;flex:1 1 auto;min-width:0}
.nav-search{display:flex;align-items:center;flex:0 1 420px;min-width:200px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-btn);padding:3px 3px 3px 14px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:hover{border-color:var(--celadon)}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,122,47,.14)}
.nav-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;color:var(--text);padding:8px 6px;outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{border:0;border-radius:8px;background:var(--ink);color:var(--paper);font-size:14px;font-weight:600;padding:8px 16px;cursor:pointer;transition:background-color .2s ease}
.nav-search button:hover{background:var(--ink-light)}
.nav-search button:active{background:var(--ink-deep)}
.brand-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;position:relative;flex:0 0 auto;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:20px;height:2px;background:var(--ink);border-radius:2px;transform:translateX(-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-7px}
.nav-toggle span::after{content:"";top:7px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{transform:translateX(-50%) rotate(45deg);top:0;background:var(--ink)}
.nav-open .nav-toggle span::after{transform:translateX(-50%) rotate(-45deg);top:0;background:var(--ink)}

.channel-bar{position:sticky;top:0;z-index:55;background:var(--ink-deep);border-top:1px solid rgba(255,255,255,.06)}
.channel-row{display:flex;align-items:center;min-height:56px}
.channel-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:9px 0;scrollbar-width:none;-ms-overflow-style:none;width:100%}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:7px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-dark);color:rgba(242,239,231,.82);
  font-size:14px;font-weight:500;letter-spacing:.03em;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.pill:hover{background:rgba(245,185,122,.18);border-color:rgba(245,185,122,.5);color:#fff}
.pill.is-active{background:var(--ink-light);border-color:var(--ink-light);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--ink-light);color:#fff}

/* ---------- breadcrumb ---------- */
.crumb-band{background:var(--surface-soft);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 0;font-size:13px;color:var(--text-3);list-style:none;margin:0}
.crumb li{display:flex;align-items:center;gap:10px}
.crumb li+li::before{content:"/";color:var(--celadon);font-weight:600}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--amber)}
.crumb .is-current{color:var(--text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:56px 0 34px;background:var(--surface);border-bottom:1px solid var(--line)}
.article-head .eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px}
.article-head h1{font-size:40px;line-height:1.32;max-width:940px;word-break:break-word}
.article-lead{margin:18px 0 0;max-width:820px;color:var(--text-2);font-size:17px;line-height:1.9}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;font-size:14px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--celadon);display:inline-block}
.article-meta strong{color:var(--text-2);font-weight:600}

/* ---------- layout ---------- */
.article-wrap{padding:64px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:56px;align-items:start}
.article-main{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:48px 52px}
.side{position:sticky;top:88px;display:grid;gap:24px}

/* ---------- article body ---------- */
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--text-2)}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;margin:2.2em 0 .9em;padding-left:18px;
  font-size:28px;color:var(--text);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:5px;height:1.05em;border-radius:3px;background:var(--amber)}
.article-body h3{margin:1.8em 0 .7em;font-size:21px;color:var(--text)}
.article-body h3::after{content:"";display:block;width:42px;height:3px;border-radius:3px;background:var(--amber-soft);margin-top:8px}
.article-body h4{margin:1.5em 0 .6em;font-size:18px;color:var(--ink)}
.article-body p{margin:0 0 1.15em;color:var(--text-2)}
.article-body a{color:var(--ink-light);border-bottom:1px dashed rgba(27,99,80,.5)}
.article-body a:hover{color:var(--amber);border-bottom-color:var(--amber)}
.article-body strong{color:var(--text);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul>li{position:relative;padding-left:14px;margin-bottom:.5em;line-height:1.8}
.article-body ul>li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--celadon)}
.article-body ol{list-style:decimal;color:var(--text-2)}
.article-body ol>li{margin-bottom:.5em;padding-left:6px;line-height:1.8}
.article-body ol>li::marker{color:var(--amber);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--surface-soft);border-left:3px solid var(--celadon);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.6em 0;width:100%;height:auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;line-height:1.7}
.article-body thead th{background:var(--surface-soft);color:var(--text);font-weight:600}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body tbody tr:hover{background:rgba(245,185,122,.1)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.article-body code{background:var(--surface-soft);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--ink)}

/* ---------- tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--text-3);letter-spacing:.05em}
.tag{display:inline-flex;padding:5px 14px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:13px;color:var(--text-2);transition:all .2s ease}
.tag:hover{border-color:var(--amber);background:rgba(245,185,122,.16);color:#B45C1B}

/* ---------- empty ---------- */
.article-empty{text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg)}
.article-empty .empty-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:12px}
.article-empty p{color:var(--text-2);max-width:520px;margin:0 auto 22px}

/* ---------- related ---------- */
.related{margin-top:64px;max-width:800px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.related-head h2{font-size:24px}
.related-list{display:grid;gap:16px}
.mini-card{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(224,122,47,.35)}
.mini-thumb{position:relative;overflow:hidden;border-radius:12px;aspect-ratio:16/9}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.mini-card:hover .mini-thumb img{transform:scale(1.03)}
.mini-body h3{font-size:18px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card:hover .mini-body h3{color:var(--ink-light)}
.mini-body p{font-size:14px;color:var(--text-2);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.75}
.mini-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.mini-meta .badge{font-size:12px}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px;max-width:800px}
.pager a{
  flex:1 1 240px;display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(224,122,47,.35)}
.pager .pager-label{font-size:12px;letter-spacing:.08em;color:var(--text-3)}
.pager .pager-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.6}
.pager a:hover .pager-title{color:var(--ink-light)}
.back-row{margin-top:28px;max-width:800px}

/* ---------- sidebar ---------- */
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px}
.side-card h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.toc{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.toc a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text-2)}
.toc a:hover{background:var(--surface-soft);color:var(--ink)}
.hot-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.hot-list li{display:flex;gap:12px;align-items:flex-start}
.hot-list .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(224,122,47,.14);color:#B45C1B;font-size:13px;font-weight:700;
}
.hot-list a{font-size:14px;line-height:1.65;color:var(--text-2)}
.hot-list a:hover{color:var(--ink-light)}
.side-card--dark{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.side-card--dark h3{color:#fff;border-bottom-color:var(--line-dark)}
.side-card--dark p{color:rgba(242,239,231,.8);font-size:14px;margin:0 0 18px;line-height:1.8}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:var(--paper);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:48px}
.logo--footer{display:inline-block;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.logo--footer:hover{color:var(--amber-soft)}
.footer-brand p{color:rgba(242,239,231,.72);font-size:14px;line-height:1.9;max-width:340px;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.footer-col a{color:rgba(242,239,231,.72);font-size:14px}
.footer-col a:hover{color:var(--amber-soft)}
.footer-col li{color:rgba(242,239,231,.72);font-size:14px;line-height:1.8}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(242,239,231,.6)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  body{font-size:16px}
  .container{padding:0 24px}
  .brand-row{min-height:74px;gap:16px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .article-main{padding:36px 30px}
  .article-head h1{font-size:32px}
  .article-body h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .brand-row{min-height:68px}
  .logo-mark{width:46px;height:46px;font-size:13px;border-radius:12px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:11px}
  .nav-toggle{display:inline-block}
  .brand-collapse{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);padding:20px 18px 24px;
    flex-direction:column;align-items:stretch;gap:16px;
  }
  .nav-open .brand-collapse{display:flex}
  .nav-search{flex:1 1 auto;min-width:0}
  .brand-actions{flex-direction:column;align-items:stretch;gap:12px}
  .brand-actions .btn{width:100%}
  .channel-row{min-height:50px}
  .article-head{padding:36px 0 26px}
  .article-head h1{font-size:26px}
  .article-lead{font-size:16px}
  .article-wrap{padding:44px 0 64px}
  .article-main{padding:26px 20px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;padding-left:14px}
  .article-body h3{font-size:18px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px 10px}
  .mini-card{grid-template-columns:1fr;gap:14px}
  .mini-thumb{aspect-ratio:16/9}
  .side{grid-template-columns:1fr}
  .pager{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 24px}
}
@media (min-width:1440px){
  .container{max-width:1280px}
  .article-head h1{font-size:44px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#0F3D33;
  --ink-deep:#0A2A23;
  --ink-light:#1B6350;
  --accent:#E07A2F;
  --accent-soft:#F5B97A;
  --celadon:#6E9A8B;
  --bg:#F7F4ED;
  --bg-alt:#EFEAE0;
  --surface:#FFFFFF;
  --text:#16201C;
  --text-2:#4B5651;
  --text-3:#7E8A84;
  --border:#E2DCD0;
  --on-dark:#F2EFE7;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(15,61,51,.06);
  --sh-2:0 8px 24px rgba(15,61,51,.08);
  --sh-3:0 14px 32px rgba(15,61,51,.14);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:17px;line-height:1.9;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink-light);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.015em}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:19px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
time,.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:96px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:72px 0}
.section-head{max-width:820px;margin-bottom:48px}
.section-head .eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--celadon);font-family:var(--font-num);font-weight:600;margin-bottom:12px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:17px;max-width:760px}
.rule{display:block;width:56px;height:4px;border-radius:999px;background:var(--accent);margin-top:18px}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:80}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--border)}
.brand-row{display:flex;align-items:center;gap:28px;padding-top:16px;padding-bottom:16px;position:relative}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;background:var(--ink);color:var(--on-dark);
  font-size:15px;font-weight:700;letter-spacing:.02em;flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;gap:2px;line-height:1.25}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink)}
.logo-text em{font-style:normal;font-size:12px;color:rgba(15,61,51,.7);letter-spacing:.04em}
.brand-collapse{display:flex;align-items:center;gap:24px;flex:1 1 auto;min-width:0}
.nav-search{display:flex;align-items:center;flex:1 1 auto;max-width:440px;min-width:0;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:4px 4px 4px 18px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(224,122,47,.12)}
.nav-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:8px 10px 8px 0;font-size:15px;outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{border:0;border-radius:999px;background:var(--ink);color:var(--on-dark);font-size:14px;padding:9px 20px;cursor:pointer;transition:background-color .2s ease,transform .2s ease}
.nav-search button:hover{background:var(--ink-light)}
.nav-search button:active{transform:translateY(1px)}
.brand-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:11px 22px;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(224,122,47,.24)}
.btn-primary:hover{background:#C96722;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(224,122,47,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(245,185,122,.22);color:var(--ink);transform:translateY(-1px)}
.btn-light{background:var(--on-dark);color:var(--ink-deep)}
.btn-light:hover{background:#fff;color:var(--ink-deep);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(242,239,231,.45);color:var(--on-dark)}
.btn-outline-light:hover{border-color:var(--accent-soft);color:var(--accent-soft);background:rgba(245,185,122,.1)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .25s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:translateX(3px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--surface);cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;transform:translateX(-50%)}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.channel-bar{position:sticky;top:0;z-index:70;background:rgba(247,244,237,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(10px);transition:box-shadow .25s ease}
.channel-bar.is-compact{box-shadow:var(--sh-2)}
.channel-row{padding-top:10px;padding-bottom:10px;transition:padding .25s ease}
.channel-bar.is-compact .channel-row{padding-top:6px;padding-bottom:6px}
.channel-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%)}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-size:15px;font-weight:600;padding:8px 20px;white-space:nowrap;transition:background-color .2s ease,color .2s ease,border-color .2s ease}
.pill:hover{background:rgba(245,185,122,.22);color:var(--ink);border-color:var(--accent-soft)}
.pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.pill.is-active:hover{background:var(--ink-light);border-color:var(--ink-light);color:#fff}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--border)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-3);padding:14px 0}
.crumb a{color:var(--ink-light);font-weight:600}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--celadon)}
.crumb .current{color:var(--text-3)}

/* ============ 页头 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink-deep);min-height:320px;display:flex;align-items:center}
.page-hero__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;transform:scale(1.02)}
.page-hero__veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,42,35,.94) 0%,rgba(10,42,35,.82) 48%,rgba(10,42,35,.6) 100%)}
.page-hero__inner{position:relative;z-index:2;padding:64px 0 68px;color:var(--on-dark);max-width:840px}
.page-hero__tag{display:inline-flex;align-items:center;gap:8px;border-radius:999px;border:1px solid rgba(245,185,122,.5);color:var(--accent-soft);font-size:13px;font-weight:600;letter-spacing:.06em;padding:6px 16px;margin-bottom:20px}
.page-hero h1{color:#fff;margin-bottom:18px}
.page-hero p{color:rgba(242,239,231,.86);font-size:18px;max-width:700px;margin:0}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:34px}
.hero-stats div{min-width:120px}
.hero-stats strong{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--accent-soft);line-height:1.2}
.hero-stats span{font-size:13px;color:rgba(242,239,231,.7);letter-spacing:.06em}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--accent-soft)}
.step .step-no{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--accent);line-height:1;margin-bottom:14px;display:block}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:15px;color:var(--text-2);margin:0}

/* ============ 条目列表 ============ */
.entry-list{display:grid;gap:20px}
.entry-card{display:grid;grid-template-columns:200px 1fr;gap:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--accent-soft)}
.entry-thumb{display:block;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--bg-alt)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.entry-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.badge{display:inline-flex;align-items:center;border-radius:999px;background:rgba(245,185,122,.3);color:#8A4A12;font-size:12px;font-weight:600;padding:3px 12px;letter-spacing:.04em}
.entry-body h3{font-size:20px;line-height:1.45}
.entry-body h3 a{color:var(--ink)}
.entry-body h3 a:hover{color:var(--accent)}
.entry-body p{font-size:15.5px;color:var(--text-2);margin:0}
.entry-more{margin-top:auto;padding-top:6px}

/* ============ 要点说明区 ============ */
.point-wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.point-col{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:36px;box-shadow:var(--sh-1)}
.point-col h3{display:flex;align-items:center;gap:12px;font-size:22px;margin-bottom:20px}
.point-col h3::before{content:"";width:4px;height:22px;border-radius:999px;background:var(--accent)}
.point-list li{position:relative;padding:12px 0 12px 24px;border-bottom:1px dashed var(--border);font-size:16px;color:var(--text-2)}
.point-list li:last-child{border-bottom:0}
.point-list li::before{content:"";position:absolute;left:0;top:22px;width:8px;height:8px;border-radius:50%;background:var(--celadon)}
.point-list li strong{color:var(--text);font-weight:600}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--celadon);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item.is-open{border-left-color:var(--accent);background:var(--surface);box-shadow:var(--sh-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;text-align:left;border:0;background:transparent;padding:22px 26px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;transition:color .2s ease,background-color .2s ease}
.faq-q:hover{color:var(--ink-light);background:rgba(239,234,224,.5)}
.faq-item.is-open .faq-q{color:var(--ink)}
.faq-icon{flex:0 0 auto;position:relative;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:transform .25s ease,opacity .25s ease}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{padding:0 26px 24px;color:var(--text-2);font-size:16px;display:none}
.faq-item.is-open .faq-a{display:block}
.faq-a p{margin:0}

/* ============ CTA ============ */
.cta-band{background:var(--ink-deep);color:var(--on-dark);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(224,122,47,.28),transparent 68%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding:88px 0}
.cta-inner h2{color:#fff;margin-bottom:16px}
.cta-inner p{color:rgba(242,239,231,.82);font-size:16.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-panel{background:rgba(242,239,231,.06);border:1px solid rgba(242,239,231,.18);border-radius:var(--r-card);padding:32px}
.cta-panel h3{color:#fff;font-size:19px;margin-bottom:8px}
.cta-panel .hint{font-size:14px;color:rgba(242,239,231,.7);margin-bottom:20px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1 1 220px;min-width:0;background:rgba(247,244,237,.96);border:1px solid transparent;border-radius:var(--r-input);padding:12px 16px;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:hover{border-color:var(--celadon)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(224,122,47,.18)}
.cta-note{font-size:13px;color:rgba(242,239,231,.6);margin:14px 0 0}
.form-msg{font-size:14px;margin:12px 0 0;display:none}
.form-msg.is-ok{display:block;color:var(--accent-soft)}
.form-msg.is-err{display:block;color:#F3A9A0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--on-dark);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(242,239,231,.18)}
.footer-brand .logo--footer{display:inline-block;font-size:19px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .logo--footer:hover{color:var(--accent-soft)}
.footer-brand p{font-size:14.5px;color:rgba(242,239,231,.72);max-width:340px;line-height:1.85}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul li{font-size:14.5px;color:rgba(242,239,231,.72);padding:6px 0}
.footer-col ul li a{color:rgba(242,239,231,.76)}
.footer-col ul li a:hover{color:var(--accent-soft)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 32px;justify-content:space-between;padding:24px 0 32px;font-size:13.5px;color:rgba(242,239,231,.62)}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{padding-left:28px;padding-right:28px}
}
@media (max-width:1023px){
  body{font-size:16.5px}
  h1{font-size:34px}
  h2{font-size:27px}
  h3{font-size:20px}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .section-head{margin-bottom:36px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .brand-row{gap:16px}
  .brand-collapse{display:none}
  .site-header.is-open .brand-collapse{
    display:flex;flex-direction:column;align-items:stretch;gap:16px;
    position:absolute;left:0;right:0;top:100%;z-index:90;
    background:var(--surface);border-bottom:1px solid var(--border);
    padding:20px 28px 26px;box-shadow:var(--sh-2);
  }
  .nav-search{max-width:none}
  .brand-actions{flex-direction:column;align-items:stretch;gap:12px}
  .brand-actions .btn{width:100%}
  .steps{grid-template-columns:repeat(2,1fr)}
  .point-wrap{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero__inner{padding:52px 0 56px}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.85}
  h1{font-size:27px}
  h2{font-size:23px}
  h3{font-size:19px}
  .container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .site-header.is-open .brand-collapse{padding:18px}
  .logo-mark{width:44px;height:44px;border-radius:12px;font-size:13px}
  .logo-text strong{font-size:14px}
  .logo-text em{font-size:11px}
  .page-hero{min-height:260px}
  .page-hero p{font-size:16px}
  .hero-stats{gap:24px;margin-top:26px}
  .hero-stats strong{font-size:24px}
  .steps{grid-template-columns:1fr;gap:16px}
  .entry-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .entry-thumb{aspect-ratio:16/9}
  .point-col{padding:24px}
  .faq-q{padding:18px;font-size:16px}
  .faq-a{padding:0 18px 20px}
  .cta-panel{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --ink:#16201C;
  --ink-2:#4B5651;
  --ink-3:#7E8A84;
  --brand:#0F3D33;
  --brand-deep:#0A2A23;
  --brand-light:#1B6350;
  --accent:#E07A2F;
  --accent-soft:#F5B97A;
  --celadon:#6E9A8B;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --on-dark:#F2EFE7;
  --border:#E2DCD0;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06);
  --sh-2:0 8px 24px rgba(15,61,51,.08);
  --sh-3:0 14px 32px rgba(15,61,51,.14);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:.015em}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:24px}
h4{font-size:19px}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,button{font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- 容器与栅格 ---------- */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.row{display:flex;flex-wrap:wrap;max-width:none;margin-left:-16px;margin-right:-16px}
.row::before,.row::after{display:none;content:none}
.column,.columns{float:none;padding-left:16px;padding-right:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1.4;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,122,47,.26)}
.btn-primary:hover{background:#C9681F;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(224,122,47,.32)}
.btn-primary:active{transform:translateY(0);background:#B35C18}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-secondary:hover{background:#FBEEE1;color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0);background:#F5E2CC}
.btn-quiet{background:rgba(242,239,231,.14);color:var(--on-dark);border-color:rgba(242,239,231,.42)}
.btn-quiet:hover{background:rgba(242,239,231,.24);color:#fff;border-color:rgba(242,239,231,.7);transform:translateY(-2px)}
.btn-quiet:active{transform:translateY(0)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.link-arrow::after{content:"→";transition:transform .22s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{position:relative;z-index:60;background:var(--surface);border-bottom:1px solid var(--border)}
.brand-row{display:flex;align-items:center;flex-wrap:wrap;gap:26px;padding-top:16px;padding-bottom:16px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  padding:0 14px;height:44px;border-radius:12px;background:var(--brand);color:#fff;
  font-size:16px;font-weight:700;letter-spacing:.1em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.32}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;letter-spacing:.06em;color:rgba(15,61,51,.7)}
.brand-collapse{display:flex;align-items:center;justify-content:space-between;gap:26px;flex:1;min-width:0}
.nav-search{
  display:flex;align-items:center;flex:1;max-width:430px;
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-btn);
  padding:3px 3px 3px 16px;transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:hover{border-color:var(--celadon)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,122,47,.14)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font-size:15px;padding:9px 8px 9px 0;outline:none}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  border:0;background:var(--brand);color:#fff;padding:9px 18px;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;transition:background-color .22s ease,transform .22s ease;
}
.nav-search button:hover{background:var(--brand-light)}
.nav-search button:active{transform:translateY(1px)}
.brand-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:var(--surface);cursor:pointer;
  transition:border-color .22s ease,background-color .22s ease;
}
.nav-toggle:hover{border-color:var(--celadon);background:var(--surface-2)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .22s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channel-bar{
  position:sticky;top:0;z-index:70;
  background:rgba(247,244,237,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:box-shadow .22s ease;
}
.channel-bar.is-scrolled{box-shadow:0 6px 18px rgba(15,61,51,.08)}
.channel-row{display:flex;align-items:center;padding-top:12px;padding-bottom:12px;transition:padding .22s ease}
.channel-bar.is-scrolled .channel-row{padding-top:8px;padding-bottom:8px}
.channel-tabs{
  display:flex;align-items:center;gap:10px;width:100%;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:2px 0;-webkit-overflow-scrolling:touch;
}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:var(--surface);color:var(--ink-2);
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.pill:hover{background:#FBEEE1;border-color:var(--accent-soft);color:var(--brand)}
.pill:active{transform:translateY(1px)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--brand-light);border-color:var(--brand-light);color:#fff}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2);font-weight:500}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--celadon)}
.breadcrumb .current{color:var(--ink-3)}

/* ---------- 页头 ---------- */
.page-hero{
  background:linear-gradient(180deg,#F7F4ED 0%,#EFEAE0 100%);
  border-bottom:1px solid var(--border);
  padding:60px 0 72px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(224,122,47,.13);color:#A95714;font-size:13px;font-weight:600;letter-spacing:.06em;
  margin-bottom:18px;
}
.page-hero h1{font-size:42px;line-height:1.32;margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:580px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:14px;color:var(--ink-3)}
.hero-note span{display:inline-flex;align-items:center;gap:8px}
.hero-note span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--celadon)}

.hero-figure{
  position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:16/11;background:var(--brand);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,42,35,.06) 40%,rgba(10,42,35,.62) 100%)}
.hero-badge{
  position:absolute;top:18px;left:18px;z-index:2;
  background:var(--accent);color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:6px 14px;border-radius:var(--r-pill);
}
.hero-figure figcaption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  color:var(--on-dark);font-size:14px;line-height:1.7;
}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--surface-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{margin:0;color:var(--ink-2);font-size:16px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;
}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none}

/* ---------- 编号步骤卡 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.step-card{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--accent-soft)}
.step-num{
  flex:0 0 auto;font-family:var(--font-num);font-size:28px;font-weight:700;
  color:var(--accent);line-height:1.1;letter-spacing:.02em;
}
.step-body h3{font-size:19px;margin-bottom:8px}
.step-body p{font-size:15px;line-height:1.85;color:var(--ink-2);margin:0 0 12px}

/* ---------- 横向滚动图卡 ---------- */
.hscroll-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.hscroll-nav{display:flex;gap:10px}
.hscroll-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--surface);
  color:var(--brand);font-size:17px;line-height:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.hscroll-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.hscroll-btn:active{transform:scale(.96)}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:var(--celadon) var(--surface-2);
}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-track{background:var(--surface-2);border-radius:var(--r-pill)}
.hscroll::-webkit-scrollbar-thumb{background:var(--celadon);border-radius:var(--r-pill)}
.hcard{
  flex:0 0 320px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.hcard:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--accent-soft)}
.hcard-media{overflow:hidden;height:176px;background:var(--surface-2)}
.hcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.hcard:hover .hcard-media img{transform:scale(1.03)}
.hcard-body{padding:20px 22px 22px}
.hcard-body h3{font-size:18px;margin:12px 0 8px}
.hcard-body p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:0 0 14px}
.badge{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(110,154,139,.16);color:#3F6D5F;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge--accent{background:rgba(224,122,47,.14);color:#A95714}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.stat{padding:30px 28px;border-right:1px solid var(--border)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--brand);letter-spacing:.01em;margin-bottom:6px;line-height:1.2}
.stat span{display:block;font-size:14px;color:var(--ink-3);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--celadon);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item.is-active{border-left-color:var(--accent);box-shadow:var(--sh-2)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;background:none;border:0;width:100%;text-align:left;
  transition:color .22s ease,background-color .22s ease;
}
.faq-q:hover{color:var(--brand-light);background:#FBF9F4}
.faq-q::after{
  content:"+";flex:0 0 auto;font-family:var(--font-num);font-size:22px;font-weight:500;
  color:var(--accent);line-height:1;transition:transform .22s ease;
}
.faq-item.is-active .faq-q{color:var(--brand)}
.faq-item.is-active .faq-q::after{content:"−";transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;padding:0 24px;transition:max-height .3s ease,padding .3s ease}
.faq-item.is-active .faq-a{max-height:520px;padding-bottom:22px}
.faq-a p{font-size:16px;line-height:1.9;color:var(--ink-2);margin:0}

/* ---------- CTA 深色带 ---------- */
.cta-band{position:relative;background:var(--brand);color:var(--on-dark);padding:72px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;
}
.cta-band .container{position:relative;z-index:1}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cta-text{max-width:620px}
.cta-text h2{color:#fff;margin-bottom:14px}
.cta-text p{color:rgba(242,239,231,.82);margin:0;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:var(--on-dark);padding:64px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(242,239,231,.18);
}
.logo--footer{display:inline-block;color:#fff;font-size:18px;font-weight:700;letter-spacing:.01em;margin-bottom:14px}
.logo--footer:hover{color:var(--accent-soft)}
.footer-brand p{color:rgba(242,239,231,.72);font-size:14px;line-height:1.85;margin:0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{font-size:14px;line-height:1.8;color:rgba(242,239,231,.72);margin-bottom:10px}
.footer-col ul li:last-child{margin-bottom:0}
.footer-col a{color:rgba(242,239,231,.72);font-size:14px}
.footer-col a:hover{color:var(--accent-soft)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:22px;font-size:13px;color:rgba(242,239,231,.6);
}
.footer-bottom p{margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:27px}
  .container{padding:0 24px}
  .brand-collapse{
    display:none;order:3;flex-basis:100%;
    flex-direction:column;align-items:stretch;gap:14px;
    padding:4px 0 18px;
  }
  .brand-collapse.is-open{display:flex}
  .nav-search{max-width:none}
  .brand-actions{justify-content:flex-start;flex-wrap:wrap;gap:14px}
  .nav-toggle{display:inline-flex}
  .page-hero{padding:48px 0 56px}
  .page-hero h1{font-size:32px}
  .page-hero figure{order:-1}
  .hero-figure{aspect-ratio:16/10;margin-bottom:8px}
  .step-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px}
  .stats-bar{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--border);padding:24px}
  .stat:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.85}
  h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:19px}
  .container{padding:0 18px}
  .row{margin-left:-12px;margin-right:-12px}
  .column,.columns{padding-left:12px;padding-right:12px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:11px}
  .logo-mark{height:40px;padding:0 11px;font-size:14px}
  .page-hero{padding:36px 0 48px}
  .page-hero h1{font-size:26px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .btn{padding:12px 20px;font-size:15px}
  .section{padding:56px 0}
  .section--tight{padding:52px 0}
  .step-card{padding:22px;gap:14px}
  .step-num{font-size:24px}
  .hcard{flex:0 0 268px}
  .hcard-media{height:150px}
  .faq-q{padding:17px 18px;font-size:16px}
  .faq-a{padding:0 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:56px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}