/* roulang page: index */
:root{
  --ht-primary:#0E6A4A;
  --ht-primary-deep:#08382A;
  --ht-primary-soft:#E3EFE8;
  --ht-accent:#E86A17;
  --ht-accent-soft:#FDEEE2;
  --ht-ink:#16201C;
  --ht-ink-2:#55635C;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-alt:#EFF4F0;
  --ht-line:#DCE3DE;
  --ht-disabled:#A9B3AE;
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --sh-1:0 1px 2px rgba(16,40,32,.06),0 8px 24px -14px rgba(16,40,32,.20);
  --sh-2:0 10px 30px -12px rgba(16,40,32,.28);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
}
:root,[data-bs-theme=light]{
  --bs-body-font-family:var(--ht-font);
  --bs-body-color:var(--ht-ink);
  --bs-body-bg:var(--ht-bg);
  --bs-primary:#0E6A4A;
  --bs-primary-rgb:14,106,74;
  --bs-link-color:#0E6A4A;
  --bs-link-hover-color:#08382A;
  --bs-border-color:#DCE3DE;
  --bs-border-radius:10px;
  --bs-body-line-height:1.9;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ht-primary-deep);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ht-ink);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px;border-radius:4px;}
.ht-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ht-primary-deep);color:#fff;font-size:13px;line-height:36px;height:36px;}
.topbar .ht-container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-domain{color:rgba(255,255,255,.78);letter-spacing:.6px;font-variant-numeric:tabular-nums;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-tip{color:rgba(255,255,255,.72);}
.topbar-link{color:#fff;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:1px;}
.topbar-link:hover{color:var(--ht-accent);text-decoration:none;border-bottom-color:var(--ht-accent);}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--ht-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ht-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:700;color:var(--ht-ink);letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--ht-ink-2);letter-spacing:1.4px;text-transform:uppercase;}
.nav-desktop{flex:1 1 auto;display:flex;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{position:relative;display:block;padding:8px 13px;font-size:15px;color:var(--ht-ink);white-space:nowrap;}
.nav-list a::after{content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;background:var(--ht-primary);transform:translateX(-50%);transition:width .25s ease;}
.nav-list a:hover{color:var(--ht-primary);text-decoration:none;}
.nav-list a:hover::after{width:calc(100% - 26px);}
.nav-list a.active{font-weight:600;color:var(--ht-primary);}
.nav-list a.active::after{width:calc(100% - 26px);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-toggle{width:42px;height:42px;border:1px solid var(--ht-line);background:#fff;border-radius:10px;color:var(--ht-ink);font-size:18px;display:none;align-items:center;justify-content:center;}
.nav-toggle:hover{border-color:var(--ht-primary);color:var(--ht-primary);}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ht-primary);color:#fff;border:1px solid var(--ht-primary);border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;transition:background .22s ease,transform .22s ease,box-shadow .22s ease;}
.btn-main:hover{background:#0b5940;border-color:#0b5940;color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--ht-primary);border:1px solid var(--ht-primary);border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;transition:background .22s ease,transform .22s ease;}
.btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);text-decoration:none;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-primary);}
.text-link .arrow{transition:transform .2s ease;font-size:14px;}
.text-link:hover{text-decoration:none;color:var(--ht-primary-deep);}
.text-link:hover .arrow{transform:translateX(3px);}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--ht-surface-alt);}
.section-surface{background:var(--ht-surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head h2{font-size:clamp(22px,3vw,32px);}
.section-head h2::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--ht-primary);margin-bottom:14px;}
.section-sub{color:var(--ht-ink-2);font-size:15px;margin:10px 0 0;}
.badge-tag{display:inline-block;background:var(--ht-primary-soft);color:var(--ht-primary);font-size:12px;font-weight:600;line-height:1.6;border-radius:999px;padding:4px 12px;}
.divider{height:1px;background:var(--ht-line);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ht-bg);padding:64px 0 72px;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:var(--ht-primary-soft);opacity:.7;z-index:0;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--ht-line);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--ht-ink-2);margin-bottom:20px;}
.hero-eyebrow i{color:var(--ht-accent);}
.hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:700;line-height:1.25;letter-spacing:.2px;margin-bottom:18px;}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ht-ink-2);max-width:560px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:26px;border-top:1px solid var(--ht-line);}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ht-ink);font-weight:500;}
.hero-points i{width:28px;height:28px;border-radius:8px;background:var(--ht-primary-soft);color:var(--ht-primary);display:flex;align-items:center;justify-content:center;font-size:13px;}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);}
.hero-figure img{width:100%;aspect-ratio:7/5;object-fit:cover;}
.hero-figure::before{content:"";position:absolute;left:0;top:0;width:74px;height:74px;border-left:4px solid var(--ht-accent);border-top:4px solid var(--ht-accent);border-top-left-radius:var(--r-img);z-index:2;}
.hero-figure-tag{position:absolute;right:14px;bottom:14px;background:rgba(8,56,42,.88);color:#fff;font-size:12.5px;border-radius:999px;padding:6px 14px;letter-spacing:.4px;}

/* ---------- 功能分组 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:48px 0;border-bottom:1px solid var(--ht-line);}
.feature-row:last-child{border-bottom:0;padding-bottom:12px;}
.feature-row:first-child{padding-top:0;}
.feature-row.reverse .feature-media{order:-1;}
.feature-copy h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.feature-copy h2 span{color:var(--ht-primary);}
.feature-intro{color:var(--ht-ink-2);font-size:15.5px;margin-bottom:8px;}
.func-list{margin-top:12px;}
.func-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--ht-line);}
.func-item:last-child{border-bottom:0;padding-bottom:0;}
.func-icon{flex:0 0 38px;width:38px;height:38px;border-radius:10px;background:var(--ht-primary-soft);color:var(--ht-primary);display:flex;align-items:center;justify-content:center;font-size:15px;}
.func-item h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.func-item p{font-size:14.5px;line-height:1.75;color:var(--ht-ink-2);margin:0;}
.feature-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--ht-line);background:#fff;}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.feature-row:hover .feature-media img{transform:scale(1.02);}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.scene-card{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;}
.scene-card:hover{box-shadow:var(--sh-2);border-color:var(--ht-primary);transform:translateY(-2px);}
.scene-media{aspect-ratio:16/9;overflow:hidden;background:var(--ht-surface-alt);}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:22px 24px 24px;}
.scene-body h3{font-size:18px;margin-bottom:8px;}
.scene-body p{font-size:14.5px;color:var(--ht-ink-2);line-height:1.75;margin-bottom:12px;}
.scene-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ht-ink-2);line-height:1.8;}
.scene-list li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--ht-accent);}

/* ---------- 使用情况 ---------- */
.case-list{border-top:1px solid var(--ht-line);}
.case-item{display:grid;grid-template-columns:210px 1fr 170px;gap:32px;align-items:center;padding:26px 0;border-bottom:1px solid var(--ht-line);transition:background .2s ease;}
.case-item:hover{background:rgba(227,239,232,.4);}
.case-name{font-size:16px;font-weight:600;margin-bottom:2px;}
.case-industry{font-size:13px;color:var(--ht-ink-2);}
.case-desc{font-size:14.5px;color:var(--ht-ink-2);line-height:1.8;margin:0;}
.case-num{text-align:right;font-size:30px;font-weight:700;color:var(--ht-accent);line-height:1.1;font-variant-numeric:tabular-nums;}
.case-num small{display:block;font-size:13px;font-weight:400;color:var(--ht-ink-2);margin-top:6px;}

/* ---------- 方案档位 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan-card{position:relative;background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-card);padding:30px 24px 26px;transition:box-shadow .25s ease,border-color .25s ease;}
.plan-card:hover{box-shadow:var(--sh-1);border-color:var(--ht-primary);}
.plan-card.featured{border:2px solid var(--ht-primary);box-shadow:var(--sh-2);transform:scale(1.02);}
.plan-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--ht-primary);color:#fff;font-size:12px;font-weight:600;border-radius:999px;padding:4px 14px;white-space:nowrap;}
.plan-name{font-size:18px;font-weight:700;margin-bottom:6px;}
.plan-for{font-size:13px;color:var(--ht-ink-2);margin-bottom:18px;}
.plan-price{font-size:34px;font-weight:700;color:var(--ht-accent);line-height:1;font-variant-numeric:tabular-nums;margin-bottom:4px;}
.plan-price em{font-size:14px;font-style:normal;font-weight:500;color:var(--ht-ink-2);margin-left:6px;}
.plan-unit{font-size:13px;color:var(--ht-ink-2);margin-bottom:20px;}
.plan-list{margin-bottom:24px;}
.plan-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ht-ink-2);line-height:1.7;margin-bottom:10px;}
.plan-list li i{position:absolute;left:0;top:5px;color:var(--ht-primary);font-size:12px;}

/* ---------- 资讯卡 ---------- */
.news-card{height:100%;background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;}
.news-card:hover{box-shadow:var(--sh-2);border-color:var(--ht-primary);transform:translateY(-2px);}
.news-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ht-surface-alt);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body .badge-tag{align-self:flex-start;margin-bottom:12px;}
.news-title{font-size:17.5px;font-weight:600;line-height:1.55;margin-bottom:10px;}
.news-title a{color:var(--ht-ink);}
.news-title a:hover{color:var(--ht-primary);text-decoration:none;}
.news-summary{font-size:14px;line-height:1.75;color:var(--ht-ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed var(--ht-line);font-size:13px;color:var(--ht-ink-2);font-variant-numeric:tabular-nums;}
.empty-state{text-align:center;padding:56px 20px;background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-card);}
.empty-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--ht-primary-soft);color:var(--ht-primary);font-size:22px;margin-bottom:16px;}
.empty-state p{font-size:15px;color:var(--ht-ink-2);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.ht-accordion .accordion-item{border:0;border-bottom:1px solid var(--ht-line);background:#fff;border-radius:0;}
.ht-accordion .accordion-item:first-child{border-top:1px solid var(--ht-line);}
.ht-accordion .accordion-button{background:#fff;box-shadow:none;font-size:16px;font-weight:600;color:var(--ht-ink);padding:20px 0;line-height:1.6;display:flex;justify-content:space-between;gap:16px;}
.ht-accordion .accordion-button:not(.collapsed){background:#fff;color:var(--ht-primary);}
.ht-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--ht-primary-soft);}
.ht-accordion .accordion-button::after{content:"+";background-image:none !important;width:auto;height:auto;font-size:20px;font-weight:400;line-height:1;color:var(--ht-primary);transform:none;transition:transform .25s ease;margin-left:auto;}
.ht-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.ht-accordion .accordion-body{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ht-ink-2);}

/* ---------- CTA ---------- */
.cta-band{background:var(--ht-primary);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;margin:0;max-width:640px;}
.cta-band .btn-main{background:#fff;color:var(--ht-primary);border-color:#fff;}
.cta-band .btn-main:hover{background:var(--ht-primary-soft);border-color:var(--ht-primary-soft);color:var(--ht-primary-deep);}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ht-primary-deep);color:rgba(255,255,255,.78);padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:300px;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{color:rgba(255,255,255,.75);font-size:14px;}
.footer-list a:hover{color:var(--ht-accent);text-decoration:none;}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.75);line-height:1.7;}
.footer-contact i{color:var(--ht-accent);margin-top:5px;font-size:13px;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.15);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--ht-accent);text-decoration:none;}
.footer-policy{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.ht-drawer{width:300px;background:#fff;}
.ht-drawer .offcanvas-header{border-bottom:1px solid var(--ht-line);padding:18px 20px;}
.ht-drawer .offcanvas-title{font-size:16px;font-weight:700;color:var(--ht-ink);}
.ht-drawer .offcanvas-body{padding:12px 20px 24px;display:flex;flex-direction:column;}
.mobile-nav-list{margin-bottom:24px;}
.mobile-nav-list a{display:flex;align-items:center;justify-content:space-between;height:48px;font-size:15px;color:var(--ht-ink);border-bottom:1px solid var(--ht-line);}
.mobile-nav-list a:hover{color:var(--ht-primary);text-decoration:none;}
.mobile-nav-list a.active{color:var(--ht-primary);font-weight:600;}

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  .nav-desktop,.nav-actions{display:none !important;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure img{aspect-ratio:16/10;}
  .section{padding:64px 0;}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan-card.featured{transform:none;}
  .case-item{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .case-num{text-align:left;font-size:26px;}
  .case-num small{display:inline;margin-left:8px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .ht-container{padding:0 16px;}
  .topbar-tip{display:none;}
  .section{padding:48px 0;}
  .hero{padding:36px 0 44px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-points{gap:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-body{padding:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .btn-row .btn-main,.btn-row .btn-ghost,.cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .news-card:hover,.scene-card:hover,.btn-main:hover,.btn-ghost:hover{transform:none;}
  .news-card:hover .news-media img,.scene-card:hover .scene-media img,.feature-row:hover .feature-media img{transform:none;}
}

/* roulang page: article */
:root{
  --ht-primary:#0E6A4A;
  --ht-primary-deep:#08382A;
  --ht-primary-soft:#E3EFE8;
  --ht-accent:#E86A17;
  --ht-accent-soft:#FDEEE2;
  --ht-ink:#16201C;
  --ht-ink-2:#55635C;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-alt:#EFF4F0;
  --ht-line:#DCE3DE;
  --ht-disabled:#A9B3AE;
  --ht-radius-card:14px;
  --ht-radius-btn:10px;
  --ht-radius-img:12px;
  --sh-1:0 1px 2px rgba(16,40,32,.06),0 8px 24px -14px rgba(16,40,32,.20);
  --sh-2:0 10px 30px -12px rgba(16,40,32,.28);
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --ht-max:1180px;
  --bs-primary:#0E6A4A;
  --bs-body-color:#16201C;
  --bs-body-bg:#F7F5F0;
  --bs-border-radius:10px;
  --bs-body-font-family:var(--ht-font);
  --bs-link-color:#0E6A4A;
  --bs-link-hover-color:#08382A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ht-primary-deep);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ht-ink);}
p{margin:0;}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.ht-container{width:100%;max-width:var(--ht-max);margin:0 auto;padding:0 20px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ht-primary-deep);color:#fff;font-size:13px;line-height:1.6;min-height:36px;display:flex;align-items:center;}
.topbar .ht-container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.tb-domain{color:rgba(255,255,255,.70);letter-spacing:.4px;}
.tb-right{display:flex;align-items:center;gap:18px;}
.tb-hint{color:rgba(255,255,255,.82);}
.topbar a{color:#fff;font-weight:600;}
.topbar a:hover{color:var(--ht-accent);text-decoration:none;}
.topbar a i{margin-left:6px;font-size:11px;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--ht-surface);border-bottom:1px solid var(--ht-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ht-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16px;font-weight:700;color:var(--ht-ink);letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--ht-ink-2);letter-spacing:.6px;text-transform:uppercase;}
.nav-desktop{flex:1 1 auto;display:flex;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-list a{position:relative;display:inline-block;padding:6px 2px;font-size:15px;font-weight:500;color:var(--ht-ink);}
.nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--ht-primary);transform:scaleX(0);transform-origin:center;transition:transform .22s ease;}
.nav-list a:hover{color:var(--ht-primary);text-decoration:none;}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.active{color:var(--ht-primary);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--ht-line);border-radius:10px;background:#fff;color:var(--ht-ink);align-items:center;justify-content:center;font-size:16px;}
.nav-toggle:hover{border-color:var(--ht-primary);color:var(--ht-primary);}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-primary);}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover{text-decoration:none;}
.text-link:hover .arrow{transform:translateX(3px);}

.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ht-primary);color:#fff;font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--ht-radius-btn);border:1px solid var(--ht-primary);transition:background .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn-main:hover{background:#0B5540;border-color:#0B5540;color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--ht-primary);font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--ht-radius-btn);border:1px solid var(--ht-primary);transition:background .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary-deep);text-decoration:none;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 移动端抽屉 ---------- */
.mobile-nav{width:300px !important;border-left:1px solid var(--ht-line);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--ht-line);padding:16px 20px;}
.mobile-nav .offcanvas-body{padding:8px 0 0;display:flex;flex-direction:column;height:100%;}
.mobile-nav .m-list{flex:1 1 auto;}
.mobile-nav .m-list a{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:48px;font-size:15px;color:var(--ht-ink);border-bottom:1px solid var(--ht-line);}
.mobile-nav .m-list a:hover,.mobile-nav .m-list a.active{color:var(--ht-primary);background:var(--ht-primary-soft);text-decoration:none;}
.mobile-nav .m-foot{padding:16px 20px 22px;}
.mobile-nav .m-foot .btn-main{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb{font-size:13px;color:var(--ht-ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--ht-ink-2);}
.crumb a:hover{color:var(--ht-primary);}
.crumb .sep{color:var(--ht-line);}
.crumb .current{color:var(--ht-ink-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{padding:18px 0 30px;}
.cat-badge{display:inline-flex;align-items:center;gap:6px;background:var(--ht-primary-soft);color:var(--ht-primary-deep);font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;}
.article-head h1{font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.25;letter-spacing:.2px;margin:16px 0 0;max-width:22em;}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ht-ink-2);}
.meta-line .dot{width:3px;height:3px;border-radius:50%;background:var(--ht-line);display:inline-block;}
.meta-line .num{color:var(--ht-ink);font-weight:600;}

.article-figure{margin:8px 0 36px;border-radius:var(--ht-radius-img);overflow:hidden;position:relative;background:var(--ht-surface-alt);}
.article-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.article-figure figcaption{font-size:13px;color:var(--ht-ink-2);padding:10px 2px 0;background:transparent;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;padding-bottom:64px;}
.article-main{min-width:0;max-width:820px;}

.article-body{font-size:17px;line-height:1.95;color:var(--ht-ink);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.35;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--ht-primary);}
.article-body h3{font-size:19px;font-weight:600;line-height:1.4;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body strong{font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{line-height:1.9;margin-bottom:8px;}
.article-body blockquote{margin:26px 0;padding:16px 20px;background:var(--ht-primary-soft);border-left:3px solid var(--ht-primary);border-radius:0 var(--ht-radius-btn) var(--ht-radius-btn) 0;color:var(--ht-ink);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--ht-radius-img);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ht-ink-2);text-align:center;margin-top:8px;}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;}
.article-body table{display:block;overflow-x:auto;white-space:normal;}
.article-body thead th{background:var(--ht-primary-soft);color:var(--ht-primary-deep);font-weight:600;text-align:left;}
.article-body th,.article-body td{border:1px solid var(--ht-line);padding:10px 14px;}
.article-body a{border-bottom:1px solid rgba(14,106,74,.35);}
.article-body a:hover{border-bottom-color:var(--ht-primary);text-decoration:none;}
.article-body code{background:var(--ht-surface-alt);padding:2px 6px;border-radius:6px;font-size:15px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.side-card{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-radius-card);padding:22px;box-shadow:var(--sh-1);}
.side-title{font-size:15px;font-weight:700;color:var(--ht-ink);display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--ht-line);}
.side-title i{color:var(--ht-primary);}
.toc-list{margin-top:14px;}
.toc-list li{font-size:14px;line-height:1.7;color:var(--ht-ink-2);padding:8px 0 8px 12px;border-left:2px solid transparent;}
.toc-list li.is-current{color:var(--ht-ink);font-weight:600;border-left-color:var(--ht-primary);background:linear-gradient(90deg,var(--ht-primary-soft),transparent);}
.side-cta{background:var(--ht-primary-soft);border-color:#CFE3D8;}
.side-cta h3{font-size:17px;font-weight:700;line-height:1.5;}
.side-cta p{font-size:14px;line-height:1.75;color:var(--ht-ink-2);margin:10px 0 16px;}
.side-cta .btn-main{width:100%;}

/* ---------- 标签、翻页 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:36px 0 0;padding-top:26px;border-top:1px solid var(--ht-line);}
.tag-row .label{font-size:13px;color:var(--ht-ink-2);margin-right:4px;}
.tag{display:inline-flex;align-items:center;font-size:13px;font-weight:600;color:var(--ht-primary-deep);background:var(--ht-surface-alt);border:1px solid var(--ht-line);padding:5px 14px;border-radius:999px;transition:border-color .2s ease,background .2s ease,color .2s ease;}
.tag:hover{border-color:var(--ht-primary);background:var(--ht-primary-soft);color:var(--ht-primary-deep);text-decoration:none;}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;}
.pn-card{display:block;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-radius-card);padding:20px 22px;transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;}
.pn-card:hover{border-color:var(--ht-primary);box-shadow:var(--sh-2);transform:translateY(-2px);text-decoration:none;}
.pn-card .pn-kicker{font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--ht-accent);}
.pn-card .pn-title{display:block;font-size:17px;font-weight:600;color:var(--ht-ink);margin-top:8px;line-height:1.5;}
.pn-card .pn-desc{font-size:13px;color:var(--ht-ink-2);margin-top:8px;line-height:1.7;}

/* ---------- 空态 ---------- */
.empty-state{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-radius-card);padding:56px 24px;text-align:center;box-shadow:var(--sh-1);}
.empty-state .ico{width:56px;height:56px;border-radius:50%;background:var(--ht-primary-soft);color:var(--ht-primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin:0 auto 18px;}
.empty-state h2{font-size:20px;font-weight:700;}
.empty-state p{font-size:15px;color:var(--ht-ink-2);margin:10px 0 20px;}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--ht-surface-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;}
.section-head .sub{font-size:14px;color:var(--ht-ink-2);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{display:flex;flex-direction:column;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-radius-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.info-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#C9D9CF;}
.info-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ht-surface-alt);}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.info-card .badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--ht-primary-deep);background:var(--ht-primary-soft);padding:4px 12px;border-radius:999px;align-self:flex-start;}
.info-card h3{font-size:18px;font-weight:600;line-height:1.5;margin:12px 0 10px;}
.info-card h3 a{color:var(--ht-ink);}
.info-card h3 a:hover{color:var(--ht-primary);text-decoration:none;}
.info-card .desc{font-size:14px;line-height:1.75;color:var(--ht-ink-2);flex:1 1 auto;}
.info-card .foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-ink-2);}

/* ---------- 返回栏目 ---------- */
.back-bar{margin-top:36px;background:var(--ht-surface);border:1px solid var(--ht-line);border-left:4px solid var(--ht-primary);border-radius:var(--ht-radius-card);padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.back-bar .txt{font-size:15px;color:var(--ht-ink-2);}
.back-bar strong{color:var(--ht-ink);font-weight:600;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ht-primary-deep);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:46ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-on-dark{background:var(--ht-accent);border-color:var(--ht-accent);}
.btn-on-dark:hover{background:#C9570F;border-color:#C9570F;color:#fff;}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ht-primary-deep);color:#fff;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-desc{color:rgba(255,255,255,.72);line-height:1.85;max-width:34ch;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.78);}
.footer-list a:hover{color:var(--ht-accent);text-decoration:none;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.78);margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--ht-accent);margin-top:4px;font-size:13px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.65);font-size:13px;}
.footer-policy{display:flex;gap:18px;flex-wrap:wrap;}
.footer-policy a{color:rgba(255,255,255,.65);}
.footer-policy a:hover{color:var(--ht-accent);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
}
@media (max-width:991.98px){
  .nav-desktop,.nav-actions{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .article-side>*{flex:1 1 280px;}
  .article-main{max-width:100%;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
  .cta-band{padding:52px 0;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85;}
  .ht-container{padding:0 16px;}
  .tb-hint{display:none;}
  .article-head h1{font-size:28px;}
  .article-body{font-size:16px;}
  .article-body h2{margin-top:32px;}
  .prev-next{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 auto;}
  .section{padding:46px 0;}
  .info-card .body{padding:18px;}
  .back-bar{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .info-card:hover,.pn-card:hover,.btn-main:hover,.btn-ghost:hover{transform:none;}
  .info-card:hover .thumb img{transform:none;}
}

/* roulang page: category1 */
:root{
  --ht-primary:#0E6A4A;
  --ht-primary-hover:#0B5539;
  --ht-primary-deep:#08382A;
  --ht-primary-soft:#E3EFE8;
  --ht-accent:#E86A17;
  --ht-accent-soft:#FDEEE2;
  --ht-ink:#16201C;
  --ht-ink-2:#55635C;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-alt:#EFF4F0;
  --ht-line:#DCE3DE;
  --ht-disabled:#A9B3AE;
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --sh-1:0 1px 2px rgba(16,40,32,.06),0 8px 24px -14px rgba(16,40,32,.20);
  --sh-2:0 10px 30px -12px rgba(16,40,32,.28);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --bs-body-font-family:var(--ht-font);
  --bs-body-color:#16201C;
  --bs-primary:#0E6A4A;
  --bs-border-radius:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{margin:0;color:var(--ht-ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;letter-spacing:.2px}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:19px;font-weight:600;line-height:1.45}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--ht-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px}
.ht-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ht-primary-deep);color:rgba(255,255,255,.86);font-size:13px;height:36px;line-height:36px;overflow:hidden}
.topbar .ht-container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.6px}
.topbar-right{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:var(--ht-accent);font-weight:600;white-space:nowrap}
.topbar-link:hover{color:#fff;text-decoration:none}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--ht-line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--ht-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16px;font-weight:700;color:var(--ht-ink);letter-spacing:.2px;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--ht-ink-2);letter-spacing:1.1px;text-transform:uppercase}
.nav-desktop{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{position:relative;display:block;padding:8px 0;font-size:15px;font-weight:500;color:var(--ht-ink)}
.nav-list a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;background:var(--ht-primary);transition:left .25s ease,right .25s ease}
.nav-list a:hover{color:var(--ht-primary);text-decoration:none}
.nav-list a:hover::after{left:0;right:0}
.nav-list a.active{color:var(--ht-primary);font-weight:600}
.nav-list a.active::after{left:0;right:0}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--ht-primary)}
.text-link .arrow{transition:transform .2s ease}
.text-link:hover{text-decoration:none}
.text-link:hover .arrow{transform:translateX(3px)}
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ht-primary);color:#fff;border:1px solid var(--ht-primary);border-radius:var(--r-btn);padding:11px 22px;font-size:15px;font-weight:600;line-height:1.4;transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-main:hover{background:var(--ht-primary-hover);border-color:var(--ht-primary-hover);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--ht-primary);border:1px solid var(--ht-primary);border-radius:var(--r-btn);padding:11px 22px;font-size:15px;font-weight:600;line-height:1.4;transition:background .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary);text-decoration:none;transform:translateY(-1px)}
.btn-on-dark{background:#fff;border-color:#fff;color:var(--ht-primary-deep)}
.btn-on-dark:hover{background:#fff;border-color:#fff;color:var(--ht-primary-deep);opacity:.92}
.btn-line-dark{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-line-dark:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--ht-line);border-radius:10px;background:#fff;color:var(--ht-ink);font-size:17px;align-items:center;justify-content:center;transition:border-color .2s ease,color .2s ease}
.nav-toggle:hover{border-color:var(--ht-primary);color:var(--ht-primary)}

/* 移动抽屉 */
.offcanvas.ht-drawer{width:300px;border:0}
.ht-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--ht-line)}
.ht-drawer .offcanvas-body{padding:12px 20px 24px;display:flex;flex-direction:column;height:100%}
.drawer-list{display:flex;flex-direction:column}
.drawer-list a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--ht-ink);border-bottom:1px solid var(--ht-line);font-weight:500}
.drawer-list a.active{color:var(--ht-primary);font-weight:600}
.drawer-list a:hover{color:var(--ht-primary);text-decoration:none}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;padding:60px 0 64px;color:#fff;background-image:linear-gradient(102deg,rgba(8,56,42,.95) 0%,rgba(8,56,42,.84) 46%,rgba(8,56,42,.56) 100%),url("/assets/images/coverpic/cover-2.png");background-size:cover;background-position:center;background-repeat:no-repeat}
.cat-hero h1{color:#fff;max-width:760px;margin-bottom:18px}
.cat-hero .hero-lead{max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:26px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:rgba(255,255,255,.4)}
.crumb .current{color:rgba(255,255,255,.62)}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);overflow:hidden;max-width:760px}
.stat-cell{background:rgba(8,56,42,.42);padding:16px 20px;backdrop-filter:blur(2px)}
.stat-cell .stat-num{display:block;font-size:22px;font-weight:700;color:#fff;line-height:1.3;font-variant-numeric:tabular-nums}
.stat-cell .stat-label{display:block;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ht-accent);margin-right:6px;vertical-align:middle}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section.alt{background:var(--ht-surface-alt)}
.section-head{max-width:820px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ht-primary);background:var(--ht-primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;letter-spacing:.4px}
.section-head p{margin-top:12px;color:var(--ht-ink-2);font-size:16px}
.prose{max-width:820px;color:var(--ht-ink-2)}
.prose p{line-height:1.95}
.prose strong{color:var(--ht-ink)}

/* 概述 7:5 */
.overview-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.note-panel{background:var(--ht-primary-deep);color:rgba(255,255,255,.84);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1)}
.note-panel h3{color:#fff;font-size:17px;margin-bottom:14px}
.note-panel ul li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px;line-height:1.75}
.note-panel ul li:last-child{border-bottom:0}
.note-panel ul li i{color:var(--ht-accent);margin-top:6px;font-size:12px}
.note-panel .note-foot{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.7}
.note-panel .btn-main{margin-top:16px;background:#fff;border-color:#fff;color:var(--ht-primary-deep)}
.note-panel .btn-main:hover{background:rgba(255,255,255,.9);border-color:rgba(255,255,255,.9);color:var(--ht-primary-deep)}

/* 图文交替 */
.alt-row{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:34px 0}
.alt-row + .alt-row{border-top:1px solid var(--ht-line)}
.alt-row.reverse{grid-template-columns:5fr 7fr}
.alt-row.reverse .alt-media{order:-1}
.alt-row.reverse .alt-body{order:2}
.alt-media{position:relative}
.alt-media .ratio{aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;background:var(--ht-surface-alt);box-shadow:var(--sh-1)}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-media .tag-float{position:absolute;left:14px;top:14px;background:rgba(8,56,42,.86);color:#fff;font-size:12px;letter-spacing:.4px;padding:5px 12px;border-radius:999px}
.alt-body h2{margin-bottom:12px}
.alt-body p{color:var(--ht-ink-2);margin-bottom:14px}
.mini-list{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.mini-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ht-ink-2);line-height:1.8}
.mini-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:2px;background:var(--ht-accent)}

/* 编号要点 */
.num-list{margin-top:8px}
.num-item{display:flex;gap:26px;padding:30px 0;border-top:1px solid var(--ht-line)}
.num-item:last-child{border-bottom:1px solid var(--ht-line)}
.num-index{flex:0 0 auto;font-size:40px;font-weight:700;line-height:1;color:var(--ht-accent);font-variant-numeric:tabular-nums;letter-spacing:1px;min-width:66px}
.num-body h3{margin-bottom:8px}
.num-body p{margin:0;color:var(--ht-ink-2);max-width:760px}

/* 相关推荐 */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rec-card{display:flex;flex-direction:column;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease}
.rec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--ht-primary);text-decoration:none}
.rec-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ht-surface-alt)}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-cover img{transform:scale(1.03)}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-soft{align-self:flex-start;display:inline-block;background:var(--ht-primary-soft);color:var(--ht-primary);font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;letter-spacing:.3px}
.rec-body h3{font-size:17px;line-height:1.5;color:var(--ht-ink)}
.rec-body p{margin:0;font-size:14px;line-height:1.75;color:var(--ht-ink-2)}
.rec-foot{margin-top:auto;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ht-primary)}
.rec-card:hover .rec-foot i{transform:translateX(3px)}
.rec-foot i{transition:transform .2s ease}

/* FAQ */
.faq-wrap{max-width:900px}
.faq .accordion-item{background:var(--ht-surface);border:0;border-bottom:1px solid var(--ht-line);border-radius:0}
.faq .accordion-item:first-child{border-top:1px solid var(--ht-line)}
.faq .accordion-button{background:transparent;color:var(--ht-ink);font-size:16px;font-weight:600;padding:20px 48px 20px 0;box-shadow:none;border-radius:0;line-height:1.6}
.faq .accordion-button::after{display:none}
.faq .accordion-button:not(.collapsed){color:var(--ht-primary);background:transparent}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--ht-primary);outline-offset:-2px}
.faq .accordion-button .faq-icon{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--ht-primary-soft);color:var(--ht-primary);font-size:12px;transition:transform .25s ease,background .25s ease}
.faq .accordion-button:not(.collapsed) .faq-icon{transform:translateY(-50%) rotate(45deg);background:var(--ht-primary);color:#fff}
.faq .accordion-body{padding:0 60px 22px 0;font-size:15px;line-height:1.85;color:var(--ht-ink-2)}

/* 相关链接列表 */
.link-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
.link-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-btn);padding:14px 18px;font-size:15px;font-weight:500;color:var(--ht-ink);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.link-list a:hover{border-color:var(--ht-primary);box-shadow:var(--sh-1);transform:translateY(-1px);text-decoration:none;color:var(--ht-primary)}
.link-list a i{color:var(--ht-accent);font-size:13px}

/* CTA */
.cta-band{background:var(--ht-primary-deep);color:#fff;padding:64px 0}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.8);max-width:640px;margin-bottom:24px}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ht-primary-deep);color:rgba(255,255,255,.78);padding:64px 0 0;font-size:14px;line-height:1.85}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.12)}
.site-footer .brand-name{color:#fff;font-size:16px;font-weight:700}
.site-footer .brand-sub{color:rgba(255,255,255,.55)}
.footer-desc{color:rgba(255,255,255,.68);font-size:14px;margin:0;max-width:320px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.78)}
.footer-list a:hover{color:var(--ht-accent);text-decoration:none}
.footer-contact li{display:flex;gap:10px;margin-bottom:10px;color:rgba(255,255,255,.78)}
.footer-contact i{margin-top:6px;color:var(--ht-accent);font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:18px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.68)}
.footer-policy{display:flex;flex-wrap:wrap;gap:18px}
.footer-policy a{color:rgba(255,255,255,.68)}
.footer-policy a:hover{color:var(--ht-accent);text-decoration:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-list{gap:20px}
  .nav-list a{font-size:14.5px}
  .overview-grid,.alt-row{gap:36px}
}
@media (max-width:991.98px){
  .nav-desktop,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .cat-hero{padding:48px 0 52px}
  .overview-grid{grid-template-columns:1fr;gap:28px}
  .alt-row,.alt-row.reverse{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .alt-row.reverse .alt-media{order:0}
  .alt-row.reverse .alt-body{order:0}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:52px 0}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85}
  .ht-container{padding:0 16px}
  .topbar-tip{display:none}
  .section{padding:48px 0}
  .cat-hero{padding:40px 0 44px}
  .cat-hero .hero-lead{font-size:15.5px}
  .hero-btns{gap:10px}
  .hero-btns .btn-main,.hero-btns .btn-ghost,.hero-btns .btn-line-dark{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .num-item{gap:16px;padding:24px 0}
  .num-index{font-size:32px;min-width:52px}
  .rec-grid{grid-template-columns:1fr}
  .link-list{grid-template-columns:1fr}
  .faq .accordion-button{font-size:15.5px;padding-right:44px}
  .faq .accordion-body{padding-right:12px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:44px 0}
  .cta-btns .btn-main,.cta-btns .btn-line-dark{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .alt-row:hover .alt-media img,.rec-card:hover .rec-cover img{transform:none}
  .rec-card:hover,.link-list a:hover,.btn-main:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --ht-primary:#0E6A4A;
  --ht-primary-deep:#08382A;
  --ht-primary-soft:#E3EFE8;
  --ht-accent:#E86A17;
  --ht-accent-soft:#FDEEE2;
  --ht-ink:#16201C;
  --ht-ink-2:#55635C;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-alt:#EFF4F0;
  --ht-line:#DCE3DE;
  --ht-disabled:#A9B3AE;
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --sh-1:0 1px 2px rgba(16,40,32,.06),0 8px 24px -14px rgba(16,40,32,.20);
  --sh-2:0 10px 30px -12px rgba(16,40,32,.28);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;

  --bs-primary:#0E6A4A;
  --bs-primary-rgb:14,106,74;
  --bs-body-color:#16201C;
  --bs-body-bg:#F7F5F0;
  --bs-border-color:#DCE3DE;
  --bs-border-radius:10px;
  --bs-body-font-family:var(--ht-font);
  --bs-link-color:#0E6A4A;
  --bs-link-hover-color:#08382A;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink);
  background:var(--ht-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ht-primary);text-decoration:none;text-underline-offset:3px;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--ht-primary-deep);text-decoration:underline;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ht-primary);outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:var(--ht-ink);font-weight:700;}
p{margin:0 0 1.15em;color:var(--ht-ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

/* ---------- 容器 ---------- */
.ht-container{
  width:100%;max-width:1180px;margin:0 auto;padding:0 20px;
}
.ht-container-wide{max-width:1320px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ht-primary-deep);
  color:#fff;font-size:13px;line-height:1.7;
}
.topbar-inner{
  min-height:36px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding-top:4px;padding-bottom:4px;
}
.topbar-domain{
  font-weight:600;letter-spacing:.4px;color:rgba(255,255,255,.92);
  padding-right:18px;border-right:1px solid rgba(255,255,255,.18);
}
.topbar-tip{color:rgba(255,255,255,.72);}
.topbar-link{
  margin-left:auto;color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.topbar-link:hover{color:var(--ht-accent);text-decoration:none;}
.topbar-link i{font-size:11px;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  min-height:70px;display:flex;align-items:center;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;border-radius:10px;flex:0 0 40px;
  background:var(--ht-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:700;color:var(--ht-ink);letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--ht-ink-2);letter-spacing:1.2px;text-transform:uppercase;}

.nav-desktop{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list li{position:relative;}
.nav-list a{
  display:inline-block;padding:8px 12px;font-size:15px;color:var(--ht-ink-2);font-weight:500;
  position:relative;
}
.nav-list a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--ht-primary);transition:left .22s ease,right .22s ease;
}
.nav-list a:hover{color:var(--ht-ink);text-decoration:none;}
.nav-list a:hover::after{left:12px;right:12px;}
.nav-list a.active{color:var(--ht-ink);font-weight:600;}
.nav-list a.active::after{left:12px;right:12px;}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-primary);
}
.text-link:hover{text-decoration:none;color:var(--ht-primary-deep);}
.text-link .arrow i{transition:transform .2s ease;font-size:12px;}
.text-link:hover .arrow i{transform:translateX(3px);}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ht-primary);color:#fff;font-size:15px;font-weight:600;
  padding:11px 22px;border-radius:var(--r-btn);border:1px solid var(--ht-primary);
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.btn-main:hover{
  background:#0A5740;border-color:#0A5740;color:#fff;text-decoration:none;
  transform:translateY(-1px);box-shadow:var(--sh-2);
}
.btn-main:active{transform:translateY(0);box-shadow:none;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ht-primary);font-size:15px;font-weight:600;
  padding:10px 21px;border-radius:var(--r-btn);border:1px solid var(--ht-primary);
  transition:background-color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--ht-primary-soft);color:var(--ht-primary);text-decoration:none;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}

.btn-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-size:15px;font-weight:600;
  padding:10px 21px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.55);
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-light-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;text-decoration:none;transform:translateY(-1px);}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--ht-line);
  background:#fff;color:var(--ht-ink);font-size:17px;margin-left:auto;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--ht-primary);color:var(--ht-primary);}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.ht-drawer{width:300px;background:#fff;border-left:1px solid var(--ht-line);}
.ht-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--ht-line);}
.ht-drawer .offcanvas-body{padding:16px 20px 22px;display:flex;flex-direction:column;}
.drawer-list li + li{border-top:1px solid var(--ht-line);}
.drawer-list a{
  display:block;line-height:48px;font-size:15px;color:var(--ht-ink-2);font-weight:500;
}
.drawer-list a:hover{color:var(--ht-primary);text-decoration:none;}
.drawer-list a.active{color:var(--ht-primary);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn-main,.drawer-foot .btn-ghost{width:100%;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:360px;display:flex;align-items:flex-end;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:56px 0 48px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(8,56,42,.95) 0%,rgba(8,56,42,.82) 46%,rgba(8,56,42,.58) 100%);
}
.cat-hero .ht-container{position:relative;z-index:2;}
.cat-hero .crumb{color:rgba(255,255,255,.7);}
.cat-hero .crumb a{color:rgba(255,255,255,.82);}
.cat-hero .crumb a:hover{color:#fff;}
.cat-hero .crumb .sep{color:rgba(255,255,255,.45);}
.cat-hero .crumb .current{color:#fff;font-weight:600;}

.crumb{font-size:13px;line-height:1.7;display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:16px;}
.crumb .sep{color:var(--ht-line);}
.crumb .current{color:var(--ht-ink-2);}

.cat-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,46px);line-height:1.25;letter-spacing:.2px;
  max-width:20em;margin-bottom:16px;
}
.cat-hero .hero-sub{
  color:rgba(255,255,255,.84);font-size:17px;line-height:1.85;max-width:34em;margin-bottom:26px;
}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cat-hero .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.cat-hero .chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:5px 14px;
}
.cat-hero .chip i{color:var(--ht-accent);font-size:11px;}

/* ---------- 通用板块 ---------- */
.sec{padding:80px 0;}
.sec-alt{background:var(--ht-surface-alt);}
.sec-surface{background:var(--ht-surface);}
.sec-head{margin-bottom:40px;max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ht-primary);
  background:var(--ht-primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ht-accent);}
.sec-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;margin-bottom:12px;}
.sec-head h2::after{
  content:"";display:block;width:48px;height:3px;border-radius:2px;
  background:var(--ht-primary);margin-top:16px;
}
.sec-sub{font-size:16px;color:var(--ht-ink-2);line-height:1.85;max-width:38em;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center h2::after{margin-left:auto;margin-right:auto;}

.lead-flow p{font-size:17px;line-height:1.95;color:var(--ht-ink-2);max-width:38em;}

/* ---------- 正文两栏（图文交替） ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.split.rev{grid-template-columns:5fr 7fr;}
.split-media{position:relative;}
.split-media img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover;box-shadow:var(--sh-1);}
.split-media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:88px;height:88px;
  border-right:3px solid var(--ht-accent);border-bottom:3px solid var(--ht-accent);border-radius:0 0 18px 0;
  z-index:-1;
}
.split-body h2{font-size:clamp(22px,3vw,32px);line-height:1.3;margin-bottom:14px;}

/* ---------- 要点清单 ---------- */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:18px 32px;margin-top:8px;}
.check-item{display:flex;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-card);}
.check-item i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;margin-top:4px;
  background:var(--ht-primary-soft);color:var(--ht-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;
}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.check-item p{font-size:14px;line-height:1.75;margin:0;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:38px;max-width:820px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--ht-primary) 0%,var(--ht-primary) 72%,rgba(14,106,74,.15) 100%);
}
.tl-item{position:relative;}
.tl-item + .tl-item{margin-top:32px;}
.tl-node{
  position:absolute;left:-38px;top:6px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--ht-primary);
}
.tl-node::after{
  content:"";position:absolute;inset:4px;border-radius:50%;background:var(--ht-primary);
}
.tl-item.is-accent .tl-node{border-color:var(--ht-accent);}
.tl-item.is-accent .tl-node::after{background:var(--ht-accent);}
.tl-step{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  color:var(--ht-primary);background:var(--ht-primary-soft);
  border-radius:999px;padding:3px 12px;margin-bottom:10px;
}
.tl-item.is-accent .tl-step{color:var(--ht-accent);background:var(--ht-accent-soft);}
.tl-body h3{font-size:19px;line-height:1.5;margin-bottom:8px;}
.tl-body p{font-size:15px;line-height:1.85;max-width:36em;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tl-tags span{
  font-size:13px;color:var(--ht-ink-2);border:1px solid var(--ht-line);
  border-radius:999px;padding:3px 12px;background:#fff;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--ht-line);border:1px solid var(--ht-line);
  border-radius:var(--r-card);overflow:hidden;margin-bottom:48px;
}
.stat-cell{background:#fff;padding:22px 20px;}
.stat-cell strong{
  display:block;font-size:28px;font-weight:700;color:var(--ht-primary);
  line-height:1.2;margin-bottom:6px;
}
.stat-cell span{font-size:14px;color:var(--ht-ink-2);line-height:1.7;}

/* ---------- 相关推荐卡 ---------- */
.rec-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--ht-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.rec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--ht-primary);text-decoration:none;}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ht-surface-alt);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge-cat{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--ht-primary);
  background:var(--ht-primary-soft);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--ht-ink);}
.rec-body p{font-size:14px;line-height:1.75;color:var(--ht-ink-2);margin-bottom:16px;}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ht-disabled);}
.rec-foot .go{color:var(--ht-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.rec-foot .go i{font-size:11px;transition:transform .2s ease;}
.rec-card:hover .rec-foot .go i{transform:translateX(3px);}

/* ---------- 快速链接列表 ---------- */
.link-list{border-top:1px solid var(--ht-line);}
.link-row{
  display:flex;align-items:center;gap:18px;padding:18px 4px;
  border-bottom:1px solid var(--ht-line);transition:background-color .18s ease,padding-left .18s ease;
}
.link-row:hover{background:var(--ht-surface-alt);padding-left:12px;text-decoration:none;}
.link-row .idx{
  flex:0 0 34px;font-size:13px;font-weight:700;color:var(--ht-accent);letter-spacing:1px;
}
.link-row .ttl{font-size:16px;font-weight:600;color:var(--ht-ink);}
.link-row .desc{font-size:14px;color:var(--ht-ink-2);margin-left:auto;text-align:right;}
.link-row .go{color:var(--ht-primary);font-size:13px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-accordion .accordion-item{
  background:#fff;border:0;border-bottom:1px solid var(--ht-line);
}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--ht-line);}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ht-ink);font-size:16px;font-weight:600;line-height:1.6;
  padding:22px 48px 22px 4px;box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ht-primary);background:#fff;box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none !important;
  width:26px;height:26px;line-height:1;font-size:19px;font-weight:400;color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--ht-line);border-radius:50%;
  transition:transform .22s ease,border-color .22s ease;
  margin-left:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);border-color:var(--ht-primary);}
.faq-accordion .accordion-body{
  padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--ht-ink-2);background:#fff;
}

/* ---------- CTA ---------- */
.cta-band{background:var(--ht-primary-deep);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:16px;max-width:34em;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-main{background:var(--ht-accent);border-color:var(--ht-accent);}
.cta-actions .btn-main:hover{background:#cf5a10;border-color:#cf5a10;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ht-primary-deep);color:rgba(255,255,255,.82);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:26em;margin:0;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list li + li{margin-top:10px;}
.footer-list a{color:rgba(255,255,255,.78);font-size:14px;}
.footer-list a:hover{color:var(--ht-accent);text-decoration:none;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);}
.footer-contact li + li{margin-top:10px;}
.footer-contact i{margin-top:6px;color:var(--ht-accent);font-size:13px;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-policy{display:flex;gap:18px;flex-wrap:wrap;}
.footer-policy a{color:rgba(255,255,255,.7);font-size:13px;}
.footer-policy a:hover{color:var(--ht-accent);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-list a{padding:8px 9px;font-size:14px;}
}
@media (max-width:991.98px){
  .nav-desktop,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{min-height:64px;}
  .sec{padding:64px 0;}
  .cat-hero{min-height:320px;padding:44px 0 40px;}
  .split,.split.rev{grid-template-columns:1fr;gap:28px;}
  .split-media::after{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .rec-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .link-row .desc{display:none;}
}
@media (max-width:767.98px){
  .ht-container{padding:0 16px;}
  body{font-size:16px;line-height:1.85;}
  .sec{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .topbar-tip{display:none;}
  .topbar-inner{gap:12px;}
  .topbar-domain{padding-right:12px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .hero-sub{font-size:16px;}
  .check-list{grid-template-columns:1fr;}
  .rec-list{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .timeline{padding-left:32px;}
  .tl-node{left:-32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions .btn-main,.hero-actions .btn-light-outline{width:100%;}
  .link-row{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .rec-card:hover{transform:none;}
  .rec-card:hover .rec-thumb img{transform:none;}
  .btn-main:hover,.btn-ghost:hover,.btn-light-outline:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --ht-primary:#0E6A4A;
  --ht-primary-deep:#08382A;
  --ht-primary-soft:#E3EFE8;
  --ht-accent:#E86A17;
  --ht-accent-soft:#FDEEE2;
  --ht-ink:#16201C;
  --ht-ink-2:#55635C;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-alt:#EFF4F0;
  --ht-line:#DCE3DE;
  --ht-disabled:#A9B3AE;
  --sh-1:0 1px 2px rgba(16,40,32,.06),0 8px 24px -14px rgba(16,40,32,.20);
  --sh-2:0 10px 30px -12px rgba(16,40,32,.28);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --ht-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;

  --bs-primary:#0E6A4A;
  --bs-body-color:#16201C;
  --bs-body-bg:#F7F5F0;
  --bs-body-font-family:var(--ht-font);
  --bs-border-color:#DCE3DE;
  --bs-border-radius:10px;
  --bs-link-color:#0E6A4A;
  --bs-link-hover-color:#08382A;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ht-primary-deep);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ht-ink);letter-spacing:.2px;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px;}

.ht-container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--ht-primary-deep);
  color:#fff;
  font-size:13px;
  line-height:1;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .ht-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-domain{
  letter-spacing:.4px;
  color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
}
.topbar-right{
  display:flex;
  align-items:center;
  gap:18px;
}
.topbar-tip{color:rgba(255,255,255,.72);}
.topbar-link{
  color:#fff;
  font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.45);
}
.topbar-link:hover{color:var(--ht-accent);border-bottom-color:var(--ht-accent);text-decoration:none;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:68px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--ht-primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{
  font-size:16px;
  font-weight:700;
  color:var(--ht-ink);
  white-space:nowrap;
}
.brand-sub{
  font-size:10px;
  letter-spacing:1.4px;
  text-transform:uppercase;
  color:var(--ht-ink-2);
}
.nav-desktop{margin-left:auto;}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-list > li > a{
  position:relative;
  display:block;
  padding:10px 14px;
  font-size:15px;
  color:var(--ht-ink);
  border-radius:8px;
  white-space:nowrap;
}
.nav-list > li > a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--ht-primary);
  transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-list > li > a:hover{color:var(--ht-primary);text-decoration:none;}
.nav-list > li > a:hover::after{width:22px;}
.nav-list > li > a.active{color:var(--ht-primary);font-weight:600;}
.nav-list > li > a.active::after{width:22px;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:15px;
  font-weight:600;
  color:var(--ht-primary);
}
.text-link .arrow{transition:transform .2s ease;font-size:12px;}
.text-link:hover{text-decoration:none;color:var(--ht-primary-deep);}
.text-link:hover .arrow{transform:translateX(3px);}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  background:var(--ht-primary);
  border:1px solid var(--ht-primary);
  border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{
  background:#0B5A3F;
  border-color:#0B5A3F;
  color:#fff;
  text-decoration:none;
  transform:translateY(-1px);
  box-shadow:var(--sh-1);
}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  font-size:15px;
  font-weight:600;
  color:var(--ht-primary);
  background:var(--ht-surface);
  border:1px solid var(--ht-primary);
  border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{
  background:var(--ht-primary-soft);
  color:var(--ht-primary-deep);
  text-decoration:none;
  transform:translateY(-1px);
  box-shadow:var(--sh-1);
}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  background:transparent;
  border:1px solid rgba(255,255,255,.6);
  border-radius:var(--r-btn);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost-light:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
  text-decoration:none;
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;
  height:42px;
  border:1px solid var(--ht-line);
  border-radius:10px;
  background:var(--ht-surface);
  color:var(--ht-ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--ht-primary);color:var(--ht-primary);}

/* 移动端抽屉 */
.offcanvas.ht-drawer{
  width:300px;
  background:var(--ht-surface);
  border-left:1px solid var(--ht-line);
}
.ht-drawer .offcanvas-header{
  border-bottom:1px solid var(--ht-line);
  padding:18px 20px;
}
.ht-drawer .offcanvas-body{
  padding:14px 20px 24px;
  display:flex;
  flex-direction:column;
}
.drawer-list li a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 4px;
  font-size:16px;
  color:var(--ht-ink);
  border-bottom:1px solid var(--ht-line);
}
.drawer-list li a:hover{color:var(--ht-primary);text-decoration:none;}
.drawer-list li a.active{color:var(--ht-primary);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .btn-main{width:100%;}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:flex-end;
  background-image:url("/assets/images/coverpic/cover-3.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(8,56,42,.94) 0%,rgba(8,56,42,.80) 48%,rgba(8,56,42,.62) 100%);
}
.page-hero .ht-container{
  position:relative;
  z-index:1;
  padding-top:44px;
  padding-bottom:46px;
}
.crumb{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(255,255,255,.4);}
.crumb .current{color:rgba(255,255,255,.68);}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(232,106,23,.16);
  border:1px solid rgba(232,106,23,.5);
  color:#FFC79B;
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  max-width:820px;
  margin-bottom:14px;
}
.hero-sub{
  color:rgba(255,255,255,.82);
  font-size:17px;
  line-height:1.8;
  max-width:660px;
  margin:0;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:10px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  font-size:13px;
}
.hero-chip i{color:#FFC79B;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-alt{background:var(--ht-surface-alt);}
.section-head{max-width:820px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--ht-primary);
  letter-spacing:1px;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:20px;
  height:3px;
  border-radius:2px;
  background:var(--ht-accent);
}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head h2::after{
  content:"";
  display:block;
  width:44px;
  height:3px;
  border-radius:2px;
  background:var(--ht-primary);
  margin-top:14px;
}
.section-head p{
  color:var(--ht-ink-2);
  font-size:16px;
  margin:0;
}
.lead-text{max-width:820px;}
.lead-text p{color:var(--ht-ink-2);font-size:16.5px;line-height:1.92;}
.lead-text p strong{color:var(--ht-ink);}

/* 概览要点行 */
.ov-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:34px;
}
.ov-item{
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-left:4px solid var(--ht-primary);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
}
.ov-item .ov-num{
  font-size:13px;
  font-weight:700;
  color:var(--ht-accent);
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:8px;
}
.ov-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.ov-item p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ht-ink-2);}

/* ============ 对照表 ============ */
.table-wrap{
  width:100%;
  overflow-x:auto;
  border:1px solid var(--ht-line);
  border-radius:var(--r-card);
  background:var(--ht-surface);
  box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.cmp-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table caption{
  text-align:left;
  padding:18px 24px 0;
  font-size:13px;
  color:var(--ht-ink-2);
  caption-side:top;
}
.cmp-table thead th{
  background:var(--ht-primary-soft);
  color:var(--ht-primary-deep);
  font-size:14px;
  font-weight:700;
  letter-spacing:.4px;
  text-align:left;
  padding:16px 24px;
  border-bottom:1px solid var(--ht-line);
}
.cmp-table tbody td{
  padding:18px 24px;
  border-bottom:1px solid var(--ht-line);
  vertical-align:top;
  color:var(--ht-ink-2);
  line-height:1.8;
}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr{transition:background .18s ease;}
.cmp-table tbody tr:hover{background:var(--ht-surface-alt);}
.cmp-table tbody td:first-child{
  color:var(--ht-ink);
  font-weight:600;
  width:38%;
}
.cmp-tag{
  display:inline-block;
  padding:3px 10px;
  margin:0 4px 6px 0;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--ht-accent-soft);
  color:#A8460C;
}

/* ============ 标签云 ============ */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:26px 0 30px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:999px;
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  font-size:14.5px;
  color:var(--ht-ink);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.tag-pill i{font-size:11px;color:var(--ht-primary);}
.tag-pill:hover{
  border-color:var(--ht-primary);
  background:var(--ht-primary-soft);
  color:var(--ht-primary-deep);
  text-decoration:none;
  transform:translateY(-1px);
}

/* ============ 自查清单 ============ */
.check-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  margin-top:12px;
}
.check-item{
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.check-item:hover{box-shadow:var(--sh-2);border-color:var(--ht-primary);transform:translateY(-2px);}
.check-item h3{
  font-size:17px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.check-item h3 span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--ht-primary);
  color:#fff;
  font-size:13px;
  font-weight:700;
  flex-shrink:0;
}
.check-item p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ht-ink-2);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;border-top:1px solid var(--ht-line);}
.faq-item{background:var(--ht-surface);border-bottom:1px solid var(--ht-line);}
.faq-item .acc-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 4px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ht-ink);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-item .acc-btn:hover{color:var(--ht-primary);}
.faq-item .acc-icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:8px;
  border:1px solid var(--ht-line);
  color:var(--ht-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.faq-item .acc-btn:not(.collapsed) .acc-icon{
  transform:rotate(45deg);
  background:var(--ht-primary-soft);
  border-color:var(--ht-primary);
}
.faq-item .acc-body{
  padding:0 48px 22px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--ht-ink-2);
}

/* ============ 相关推荐 ============ */
.reco-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.reco-card{
  display:flex;
  flex-direction:column;
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.reco-card:hover{
  box-shadow:var(--sh-2);
  border-color:var(--ht-primary);
  transform:translateY(-2px);
  text-decoration:none;
}
.reco-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--ht-surface-alt);
}
.reco-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.reco-card:hover .reco-thumb img{transform:scale(1.03);}
.reco-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.reco-badge{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:var(--ht-primary-soft);
  color:var(--ht-primary-deep);
  font-size:12px;
  font-weight:600;
  margin-bottom:12px;
}
.reco-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
  color:var(--ht-ink);
}
.reco-card p{
  font-size:14px;
  line-height:1.75;
  color:var(--ht-ink-2);
  margin-bottom:16px;
}
.reco-more{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--ht-primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.reco-more i{font-size:11px;transition:transform .2s ease;}
.reco-card:hover .reco-more i{transform:translateX(3px);}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--ht-primary-deep);
  color:#fff;
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.8vw,30px);
  margin-bottom:10px;
}
.cta-band p{
  margin:0;
  color:rgba(255,255,255,.76);
  font-size:15.5px;
  max-width:620px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ht-primary-deep);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  margin:0;
  max-width:320px;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:11px;}
.footer-list a{color:rgba(255,255,255,.74);font-size:14px;}
.footer-list a:hover{color:var(--ht-accent);text-decoration:none;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-bottom:12px;
  font-size:14px;
  color:rgba(255,255,255,.74);
}
.footer-contact i{color:var(--ht-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);
  padding:20px 0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-policy{display:flex;gap:18px;flex-wrap:wrap;}
.footer-policy a{color:rgba(255,255,255,.6);}
.footer-policy a:hover{color:var(--ht-accent);text-decoration:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
  .footer-contact{display:flex;flex-wrap:wrap;gap:24px;}
  .footer-contact li{margin-bottom:0;}
}
@media (max-width:991.98px){
  .nav-desktop,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .page-hero{min-height:320px;}
  .ov-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .reco-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85;}
  .ht-container{padding:0 16px;}
  .nav-inner{height:62px;min-height:62px;}
  .brand-sub{display:none;}
  .brand-name{font-size:15px;white-space:normal;}
  .topbar{height:34px;}
  .topbar-tip{display:none;}
  .section{padding:48px 0;}
  .page-hero .ht-container{padding-top:32px;padding-bottom:36px;}
  .hero-sub{font-size:15.5px;}
  .faq-item .acc-body{padding-right:8px;}
  .faq-item .acc-btn{padding:18px 2px;font-size:15.5px;}
  .reco-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-contact{display:block;}
  .footer-contact li{margin-bottom:12px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost-light{width:100%;}
  .cmp-table{font-size:14px;}
  .cmp-table thead th,.cmp-table tbody td{padding:14px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reco-card:hover,.check-item:hover,.btn-main:hover,.btn-ghost:hover,.tag-pill:hover{transform:none !important;}
  .reco-card:hover .reco-thumb img{transform:none !important;}
}