/* roulang page: index */
:root{
  --brand:#123B33;
  --brand-ink:#0D1A17;
  --lime:#C8F136;
  --teal:#2FA98C;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#DFE6DF;
  --text:#16211D;
  --muted:#5A6B64;
  --warn:#D98A2B;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(18,59,51,.06);
  --sh-2:0 10px 28px rgba(18,59,51,.10);
  --sh-3:0 18px 44px rgba(13,26,23,.16);
  --sec-py:88px;
  --sec-py-sm:48px;
  --mono:ui-monospace,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--teal)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--brand);letter-spacing:.2px}
h1{font-size:40px;line-height:1.2}
h2{font-size:28px;line-height:1.28}
h3{font-size:20px;line-height:1.4}
h4{font-size:17px;line-height:1.45}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container-site{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container,.container-xxl{max-width:1200px}
.sec{padding:var(--sec-py) 0}
.sec-tight{padding:56px 0}
.grid-bg{
  background-image:linear-gradient(rgba(18,59,51,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(18,59,51,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);
  font-weight:600;font-size:15px;padding:11px 22px;border:1.5px solid transparent;line-height:1.4;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  cursor:pointer;text-align:center}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-brand{background:var(--brand);color:var(--lime);box-shadow:var(--sh-1)}
.btn-brand:hover{background:#17503f;color:var(--lime);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(18,59,51,.06);color:var(--brand);transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--brand-ink);box-shadow:var(--sh-1)}
.btn-lime:hover{background:#d4f75a;color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
/* ============ 标签 ============ */
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1.7;background:rgba(47,169,140,.12);color:#1F7A66;border:1px solid rgba(47,169,140,.28)}
.tag-lime{background:rgba(200,241,54,.22);color:#4A5B0F;border-color:rgba(200,241,54,.5)}
.tag-brand{background:rgba(18,59,51,.08);color:var(--brand);border-color:rgba(18,59,51,.18)}
.tag-mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;
  text-transform:uppercase;color:var(--muted);font-weight:600}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--teal);display:inline-block}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .sec-title{margin:12px 0 14px}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:720px}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto}
/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand);font-weight:700;font-size:18px;letter-spacing:2px}
.brand:hover{color:var(--brand)}
.brand-mark{width:26px;height:26px;flex:0 0 26px;color:var(--brand)}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-main a{position:relative;padding:20px 14px;font-size:15px;font-weight:500;color:var(--text);
  display:inline-block;line-height:1.2}
.nav-main a::after{content:"";position:absolute;left:14px;right:14px;bottom:12px;height:2px;
  background:transparent;transition:background-color .18s ease}
.nav-main a:hover{color:var(--brand)}
.nav-main a:hover::after{background:rgba(200,241,54,.8)}
.nav-main a.active{color:var(--brand);font-weight:700}
.nav-main a.active::after{background:var(--lime)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.offcanvas{border-radius:0;background:#fff}
.offcanvas .offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .nav-mobile a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text)}
.offcanvas .nav-mobile a.active{color:var(--brand);font-weight:700}
.offcanvas .mobile-cta{display:grid;gap:10px;margin-top:20px}
/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 64px;background:#fff;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(18,59,51,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(18,59,51,.045) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none}
.hero-inner{position:relative;max-width:860px;margin:0 auto;text-align:center}
.hero h1{margin:16px 0 18px}
.hero-lead{color:var(--muted);font-size:16px;max-width:720px;margin:0 auto 28px;text-align:left}
.hero-search{display:flex;gap:10px;max-width:680px;margin:0 auto 18px}
.hero-search .form-control{height:54px;border-radius:var(--r-input);border:1.5px solid var(--line);
  padding:0 18px;font-size:15px;background:#fff;box-shadow:var(--sh-1)}
.hero-search .form-control:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,169,140,.14);outline:none}
.hero-search .btn{height:54px;padding:0 26px;flex:0 0 auto}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.chip{padding:7px 15px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--muted);transition:all .18s ease}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-1)}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;justify-content:center;padding-top:22px;border-top:1px solid var(--line)}
.hero-meta .item{display:flex;flex-direction:column;gap:2px;min-width:120px}
.hero-meta .num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--brand)}
.hero-meta .lbl{font-size:12.5px;color:var(--muted)}
.hero-stage{position:relative;margin-top:44px;border-radius:16px;overflow:hidden;box-shadow:var(--sh-2);
  border:1px solid var(--line)}
.hero-stage img{width:100%;aspect-ratio:21/8;object-fit:cover}
.hero-stage .stage-cap{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;
  background:linear-gradient(to top,rgba(13,26,23,.78),rgba(13,26,23,0));
  color:#fff;display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;justify-content:space-between}
.hero-stage .stage-cap strong{font-size:16px;display:block}
.hero-stage .stage-cap span{font-size:13px;color:#C6D3CE}
/* ============ 深色带 ============ */
.band-dark{background:var(--brand-ink);color:#C6D3CE;position:relative;overflow:hidden}
.band-dark::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none}
.band-dark .container-site{position:relative}
.band-dark h2,.band-dark h3,.band-dark h4{color:#fff}
.band-dark .sec-desc{color:#C6D3CE}
.band-dark .eyebrow{color:#9FB3AD}
.band-dark .eyebrow::before{background:var(--lime)}
/* ============ 指标卡 ============ */
.metric-card{height:100%;padding:22px 18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);transition:all .2s ease}
.metric-card:hover{border-color:rgba(200,241,54,.5);background:rgba(255,255,255,.06);transform:translateY(-2px)}
.metric-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:38px;line-height:1.1;
  font-weight:700;color:var(--lime);margin-bottom:6px}
.metric-num small{font-size:16px;margin-left:3px;color:var(--lime)}
.metric-name{font-size:15px;color:#fff;font-weight:600;margin-bottom:6px}
.metric-note{font-size:12.5px;line-height:1.6;color:#93A8A2}
/* ============ 卡片通用 ============ */
.card-soft{height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;transition:all .2s ease;display:flex;flex-direction:column}
.card-soft:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-soft h3{margin-bottom:10px}
.card-soft p{color:var(--muted);font-size:14.5px}
.card-ico{width:40px;height:40px;border-radius:12px;background:rgba(18,59,51,.07);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;flex:0 0 auto}
.card-ico svg{width:20px;height:20px}
.card-list{margin-top:16px;display:grid;gap:8px}
.card-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--muted)}
.card-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:1.5px;background:var(--teal)}
.bento-lg{grid-column:span 12}
.card-media{border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.card-soft:hover .card-media img{transform:scale(1.03)}
.clip-corner{clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%)}
/* ============ 分类入口 ============ */
.entry-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:all .2s ease;height:100%}
.entry-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--brand)}
.entry-card .e-name{font-size:15.5px;font-weight:600;color:var(--brand);display:block;margin-bottom:4px}
.entry-card .e-count{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--muted)}
.entry-arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:flex;
  align-items:center;justify-content:center;color:var(--brand);flex:0 0 30px;transition:all .2s ease}
.entry-card:hover .entry-arrow{background:var(--lime);border-color:var(--lime);color:var(--brand-ink)}
/* ============ 对比 ============ */
.compare-wrap{position:relative;display:grid;grid-template-columns:1fr 1px 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.compare-col{padding:30px 28px}
.compare-divider{background:var(--line);position:relative}
.compare-divider::before,.compare-divider::after{content:"";position:absolute;left:-3px;width:7px;height:1px;background:var(--brand)}
.compare-divider::before{top:38px}
.compare-divider::after{bottom:38px}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.compare-list{display:grid;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.65}
.mark{flex:0 0 20px;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:12px;line-height:1;margin-top:3px}
.mark.ok{background:rgba(47,169,140,.14);color:#1F7A66}
.mark.no{background:rgba(217,138,43,.14);color:var(--warn)}
/* ============ 环境矩阵 ============ */
.env-card{height:100%;padding:18px;border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);transition:all .2s ease}
.env-card:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--sh-2)}
.env-card .env-label{font-size:12.5px;letter-spacing:1px;color:var(--muted);margin-bottom:8px;display:block}
.env-card .env-value{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14.5px;color:var(--brand);font-weight:600;line-height:1.6}
/* ============ 步骤 ============ */
.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{position:relative;padding-top:52px}
.step::before{content:"";position:absolute;top:19px;left:0;right:0;height:1.5px;background:var(--line)}
.step:last-child::before{right:50%}
.step .dot{position:absolute;top:6px;left:0;width:28px;height:28px;border-radius:50%;background:#fff;
  border:1.5px solid var(--line);color:var(--muted);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:13px;font-weight:700;z-index:2}
.step.is-active .dot{background:var(--lime);border-color:var(--lime);color:var(--brand-ink)}
.step.is-active::before{background:var(--lime)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}
/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1.5px;background:var(--line)}
.tl-item{position:relative;padding:0 0 26px 18px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-26px;top:7px;width:13px;height:13px;border-radius:50%;
  background:#fff;border:1.5px solid var(--teal)}
.tl-item.is-new::before{background:var(--lime);border-color:var(--lime)}
.tl-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:6px}
.tl-ver{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:700;color:var(--brand);font-size:14.5px}
.tl-date{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--muted)}
.tl-item p{font-size:14.5px;color:var(--muted)}
/* ============ 场景卡 ============ */
.scene-card{display:flex;gap:14px;align-items:flex-start;height:100%;padding:20px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:all .2s ease}
.scene-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene-card h3{font-size:16px;margin-bottom:6px}
.scene-card p{font-size:13.5px;color:var(--muted)}
/* ============ 资讯列表 ============ */
.news-list{display:grid;gap:14px}
.news-item{display:flex;gap:18px;align-items:center;padding:14px;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);transition:all .2s ease}
.news-item:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--brand)}
.news-thumb{flex:0 0 128px;width:128px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:80px;object-fit:cover}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:16.5px;margin-bottom:4px}
.news-body p{font-size:13.5px;color:var(--muted);margin:0}
.news-date{flex:0 0 auto;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--muted)}
/* ============ 文档资源条 ============ */
.doc-row{display:flex;align-items:center;gap:16px;padding:16px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);transition:all .2s ease;margin-bottom:12px}
.doc-row:last-child{margin-bottom:0}
.doc-row:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--sh-2)}
.doc-row .doc-title{flex:1;font-size:15.5px;font-weight:600;color:var(--brand);min-width:0}
.doc-row .doc-time{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--muted)}
/* ============ 保障 ============ */
.guard-card{height:100%;text-align:left;padding:24px 20px;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--line);border-top:3px solid var(--teal);box-shadow:var(--sh-1);transition:all .2s ease}
.guard-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-top-color:var(--lime)}
.guard-card h3{font-size:16.5px;margin:14px 0 8px}
.guard-card p{font-size:13.8px;color:var(--muted)}
/* ============ 表格 ============ */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
table.log-table{width:100%;border-collapse:collapse;font-size:14.5px}
table.log-table thead th{background:#F0F4F0;color:var(--brand);font-weight:600;font-size:13.5px;
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
table.log-table td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--muted)}
table.log-table tbody tr:last-child td{border-bottom:none}
table.log-table tbody tr{transition:background-color .18s ease}
table.log-table tbody tr:hover{background:rgba(18,59,51,.045)}
table.log-table td.mono{color:var(--brand);font-weight:600}
/* ============ 速答 ============ */
.quick-card{height:100%;padding:22px;border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);border-left:3px solid var(--lime)}
.quick-card h3{font-size:16px;margin-bottom:10px}
.quick-card p{font-size:14px;color:var(--muted)}
/* ============ FAQ ============ */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-list .accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent}
.faq-list .accordion-item:last-child{border-bottom:none}
.faq-list .accordion-button{background:transparent;color:var(--brand);font-weight:600;font-size:16px;
  padding:20px 22px;box-shadow:none;border-radius:0;display:flex;align-items:center;gap:14px}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:rgba(18,59,51,.03)}
.faq-list .accordion-button:focus{box-shadow:0 0 0 3px rgba(200,241,54,.35);outline:none;z-index:2}
.faq-list .accordion-button::after{content:"";flex:0 0 14px;width:14px;height:14px;margin-left:auto;
  background:none;background-image:none;border-right:1.5px solid var(--brand);border-bottom:1.5px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s ease;position:static}
.faq-list .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-list .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:14.5px;max-width:760px}
/* ============ 表单 ============ */
.contact-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:30px}
.form-label{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:6px}
.form-control,.form-select{height:48px;border-radius:var(--r-input);border:1.5px solid var(--line);
  font-size:15px;padding:0 14px;background:#fff;box-shadow:none;transition:all .18s ease}
textarea.form-control{height:auto;min-height:110px;padding:12px 14px;line-height:1.7}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,169,140,.14);outline:none}
.form-control::placeholder{color:#9AA8A2}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px}
.check-list li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);margin-bottom:14px;line-height:1.7}
.check-list li:last-child{margin-bottom:0}
.check-num{flex:0 0 26px;height:26px;border-radius:8px;background:rgba(18,59,51,.07);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12.5px;font-weight:700;margin-top:2px}
/* ============ 页脚 ============ */
.site-footer{background:var(--brand-ink);color:#9FB3AD;padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none}
.site-footer .container-site{position:relative}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{color:var(--lime)}
.footer-brand p{font-size:13.8px;color:#93A8A2;max-width:330px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:1px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#9FB3AD;font-size:14px}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;font-size:13px;color:#7E938D}
.footer-bottom a{color:#9FB3AD}
.footer-bottom a:hover{color:var(--lime)}
/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .metric-num{font-size:34px}
}
@media (max-width:991.98px){
  h1{font-size:32px}
  h2{font-size:24px}
  :root{--sec-py:64px}
  .nav-main,.header-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .stepper{grid-template-columns:repeat(2,1fr);gap:20px}
  .step:nth-child(2)::before{right:50%}
  .compare-wrap{grid-template-columns:1fr}
  .compare-divider{height:1px;width:auto}
  .compare-divider::before,.compare-divider::after{display:none}
}
@media (max-width:767.98px){
  :root{--sec-py:var(--sec-py-sm)}
  .container-site{padding:0 18px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .hero{padding:48px 0 44px}
  .hero-search{flex-direction:column}
  .hero-search .btn{width:100%}
  .hero-stage img{aspect-ratio:16/10}
  .hero-meta{gap:18px}
  .hero-meta .item{min-width:calc(50% - 18px);flex:1 1 auto}
  .metric-num{font-size:28px}
  .news-item{flex-wrap:wrap;gap:12px}
  .news-thumb{flex:0 0 100px;width:100px}
  .news-thumb img{height:64px}
  .news-date{width:100%}
  .doc-row{flex-wrap:wrap;gap:10px}
  .doc-row .doc-title{flex:1 1 100%}
  .stepper{grid-template-columns:1fr}
  .step::before{display:none}
  .step{padding-top:0;padding-left:44px;min-height:40px}
  .step .dot{top:0}
  .contact-panel{padding:22px}
  table.log-table thead{display:none}
  table.log-table td{display:block;border-bottom:none;padding:6px 16px}
  table.log-table tbody tr{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  table.log-table tbody tr:last-child{border-bottom:none}
  table.log-table td.mono{padding-top:14px}
}
@media (max-width:575.98px){
  .hero-search .form-control{height:48px}
  .hero-search .btn{height:48px}
  .card-soft{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
 --brand:#123B33;
 --brand-ink:#0D1A17;
 --lime:#C8F136;
 --teal:#2FA98C;
 --bg:#F5F7F4;
 --card:#FFFFFF;
 --line:#DFE6DF;
 --text:#16211D;
 --muted:#5A6B64;
 --warn:#D98A2B;
 --r-card:14px;
 --r-btn:10px;
 --r-input:10px;
 --r-pill:999px;
 --sh-1:0 6px 18px rgba(18,59,51,.06);
 --sh-2:0 10px 28px rgba(18,59,51,.10);
 --sh-3:0 18px 44px rgba(13,26,23,.16);
 --sec-py:88px;
 --sec-py-sm:48px;
 --mono:ui-monospace,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--teal)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px}
h1{font-size:40px;line-height:1.2}
h2{font-size:28px}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0 0 12px}
ul{margin:0}
.container-site{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container,.container-xxl{max-width:1200px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.section{padding:var(--sec-py) 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-sub{color:var(--muted);font-size:15.5px;margin:10px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;
 text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--teal);display:inline-block}
.grid-bg{background-image:linear-gradient(rgba(18,59,51,.05) 1px,transparent 1px),
 linear-gradient(90deg,rgba(18,59,51,.05) 1px,transparent 1px);background-size:28px 28px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);
 font-weight:600;font-size:15px;padding:11px 22px;border:1.5px solid transparent;line-height:1.4;
 transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
 cursor:pointer;text-align:center}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-brand{background:var(--brand);color:var(--lime);box-shadow:var(--sh-1)}
.btn-brand:hover{background:#17503f;color:var(--lime);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(18,59,51,.06);color:var(--brand);transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--brand-ink);box-shadow:var(--sh-1)}
.btn-lime:hover{background:#d4f75a;color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-block{width:100%}

/* ============ 标签 ============ */
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);
 font-size:12.5px;line-height:1.7;background:rgba(47,169,140,.12);color:#1F7A66;border:1px solid rgba(47,169,140,.28)}
.tag-lime{background:rgba(200,241,54,.22);color:#4A5B0F;border-color:rgba(200,241,54,.5)}
.tag-brand{background:rgba(18,59,51,.08);color:var(--brand);border-color:rgba(18,59,51,.18)}
.tag-mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand);font-weight:700;font-size:18px;letter-spacing:2px;white-space:nowrap}
.brand:hover{color:var(--brand)}
.brand-mark{width:26px;height:26px;flex:0 0 26px;color:var(--brand)}
.brand-sub{font-size:13px;letter-spacing:1px;color:var(--muted);font-weight:600}
.nav-main{display:flex;align-items:center;gap:2px}
.nav-main a{position:relative;padding:20px 14px;font-size:15px;font-weight:500;color:var(--text);display:inline-block;line-height:1.2}
.nav-main a::after{content:"";position:absolute;left:14px;right:14px;bottom:12px;height:2px;background:transparent;transition:background-color .18s ease}
.nav-main a:hover{color:var(--brand)}
.nav-main a:hover::after{background:rgba(200,241,54,.8)}
.nav-main a.active{color:var(--brand);font-weight:700}
.nav-main a.active::after{background:var(--lime)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
 background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.offcanvas.offcanvas-end{width:86vw;max-width:340px;border-left:1px solid var(--line)}
.offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas .offcanvas-body{padding:20px}
.nav-mobile a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text)}
.nav-mobile a.active{color:var(--brand);font-weight:700}
.mobile-cta{display:grid;gap:10px;margin-top:22px}

/* ============ 分类页头 ============ */
.page-head{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);padding:34px 0 32px}
.page-head::before{content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(18,59,51,.05) 1px,transparent 1px),
 linear-gradient(90deg,rgba(18,59,51,.05) 1px,transparent 1px);background-size:28px 28px}
.page-head .inner{position:relative}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C5BE}
.page-head h1{font-size:38px;max-width:900px}
.page-head .lead{color:var(--muted);max-width:760px;margin:14px 0 0;font-size:16px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.stat-item{min-width:148px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-1)}
.stat-item .num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--brand);line-height:1.2}
.stat-item .lb{font-size:12.5px;color:var(--muted);margin-top:4px}

/* ============ 筛选工具条 ============ */
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:14px 16px}
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px}
.ftab{padding:7px 15px;border-radius:var(--r-pill);font-size:14px;border:1px solid var(--line);
 background:#fff;color:var(--muted);cursor:pointer;transition:all .18s ease;font-weight:500}
.ftab:hover{border-color:var(--teal);color:var(--brand)}
.ftab:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.ftab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.filter-sort{display:flex;align-items:center;gap:10px}
.filter-sort label{font-size:13.5px;color:var(--muted);white-space:nowrap}

/* ============ 表单控件 ============ */
.form-label{display:block;font-size:14px;font-weight:600;color:var(--brand);margin-bottom:6px}
.form-control,.form-select{height:48px;border-radius:var(--r-input);border:1.5px solid var(--line);
 font-size:15px;padding:0 14px;background:#fff;color:var(--text);box-shadow:none;width:100%}
textarea.form-control{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,169,140,.14);outline:none}
.form-control::placeholder{color:#9AA8A2}
.filter-sort .form-select{height:42px;width:auto;min-width:158px}

/* ============ 资源列表 ============ */
.res-list{display:grid;gap:14px}
.res-item{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:14px;
 box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.res-item:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--text)}
.res-item:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.res-thumb{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#E7ECE7}
.res-thumb img{width:100%;height:100%;object-fit:cover}
.res-title{font-size:17.5px;margin-bottom:6px;color:var(--text)}
.res-item:hover .res-title{color:var(--brand)}
.res-desc{font-size:14.5px;color:var(--muted);margin:0 0 10px}
.res-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.res-date{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--muted);margin-left:auto}
.list-foot{display:flex;justify-content:center;margin-top:28px}

/* ============ 表格 ============ */
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
table.tbl{width:100%;border-collapse:collapse;min-width:680px}
.tbl thead th{background:#F0F4F0;color:var(--brand);font-size:13.5px;font-weight:700;text-align:left;
 padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;letter-spacing:.5px}
.tbl tbody td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text)}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:rgba(18,59,51,.04)}
.tbl .col-v{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--brand);font-weight:600}

/* ============ 深色板块 ============ */
.dark-band{position:relative;overflow:hidden;background:var(--brand-ink);color:#fff}
.dark-band::before{content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
 linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:28px 28px}
.dark-band .inner{position:relative}
.dark-band h2,.dark-band h3{color:#fff}
.dark-band .sec-sub,.dark-band p{color:#C6D3CE}
.dark-band .eyebrow{color:#8FA5A0}
.spec-card{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
 border-radius:12px;padding:20px;height:100%;transition:border-color .18s ease,transform .18s ease}
.spec-card:hover{border-color:var(--lime);transform:translateY(-2px)}
.spec-card .idx{font-family:var(--mono);font-size:12.5px;color:var(--lime);letter-spacing:2px;margin-bottom:10px}
.spec-card h3{font-size:17px;margin-bottom:8px}
.spec-card p{font-size:14px;margin:0;color:#9FB0AA}

/* ============ 分类小卡 ============ */
.cat-mini{display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;
 box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.cat-mini:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--text)}
.cat-mini .nm{font-weight:600;font-size:15.5px;color:var(--text)}
.cat-mini .mt{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:4px}
.cat-mini .arrow{color:var(--teal);font-weight:700;flex:0 0 auto}

/* ============ 维护说明 ============ */
.maint-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:#E7ECE7}
.maint-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.point-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.point-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;font-size:15px;color:var(--muted)}
.point-list li strong{display:block;color:var(--text);font-size:15.5px;margin-bottom:2px}
.dot{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--teal);margin-top:6px;position:relative}
.dot::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--lime)}

/* ============ 专题卡与标签云 ============ */
.topic-card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
 padding:18px;box-shadow:var(--sh-1);height:100%;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.topic-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--text)}
.topic-card h3{font-size:16.5px;margin-bottom:8px}
.topic-card p{font-size:14px;color:var(--muted);margin:0}
.cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.cloud .tag{padding:6px 15px;font-size:13.5px}

/* ============ FAQ ============ */
.acc{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:6px 20px}
.acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.acc .accordion-item:last-child{border-bottom:0}
.acc .accordion-button{background:transparent;color:var(--text);font-weight:600;font-size:16.5px;
 padding:20px 4px;box-shadow:none;border-radius:0}
.acc .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px}
.acc .accordion-button::after{content:"";width:16px;height:16px;flex:0 0 16px;
 background-color:transparent;
 background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
 background-size:12px 1.5px,1.5px 12px;background-position:center;background-repeat:no-repeat;
 transition:transform .22s ease}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.acc .accordion-body{padding:0 4px 22px;color:var(--muted);font-size:15px;max-width:820px}

/* ============ 转化区 ============ */
.cta-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:32px}
.notice-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.notice-list li{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start}
.notice-list .no{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;
 color:var(--brand);background:rgba(200,241,54,.35);border-radius:8px;text-align:center;line-height:26px;height:26px}
.notice-list strong{display:block;font-size:15.5px;margin-bottom:2px}
.notice-list span.txt{font-size:14.5px;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.form-tip{font-size:13px;color:var(--muted);margin:12px 0 0}
.form-msg{font-size:13.5px;color:var(--teal);margin:12px 0 0;min-height:20px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-ink);color:#C6D3CE;padding:64px 0 0;margin-top:0}
.site-footer .brand{color:#fff;font-size:19px}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-mark{color:#fff}
.footer-brand p{color:#9FB0AA;font-size:14px;margin-top:16px;max-width:380px}
.footer-title{color:#fff;font-size:15px;letter-spacing:1px;margin-bottom:14px}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-links a{color:#C6D3CE;font-size:14.5px}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13.5px;color:#8A9C96}
.footer-bottom p{margin:0}
.footer-bottom a{color:#8A9C96}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
 .page-head h1{font-size:34px}
}
@media (max-width:991.98px){
 .nav-main{display:none}
 .nav-toggle{display:inline-flex}
 .header-inner{height:60px}
 :root{--sec-py:64px}
 .page-head h1{font-size:30px}
 .res-item{grid-template-columns:150px 1fr;gap:16px}
}
@media (max-width:767.98px){
 :root{--sec-py:var(--sec-py-sm)}
 h2{font-size:22px}
 h1{font-size:28px}
 .page-head{padding:26px 0 26px}
 .page-head h1{font-size:26px}
 .page-head .lead{font-size:15px}
 .stat-item{flex:1 1 140px;min-width:0}
 .filter-bar{align-items:stretch}
 .filter-sort{width:100%;justify-content:space-between}
 .filter-sort .form-select{flex:1 1 auto}
 .res-item{grid-template-columns:1fr;gap:14px}
 .res-thumb{aspect-ratio:16/10}
 .res-date{margin-left:0}
 .cta-band{padding:22px}
 .acc{padding:4px 16px}
}
@media (max-width:575.98px){
 .container-site{padding:0 16px}
 .brand-sub{display:none}
 .header-actions .btn-ghost{display:none}
 .header-actions .btn-brand{padding:8px 14px;font-size:13.5px}
 .stat-row{gap:10px}
 .stat-item{padding:10px 12px}
 .cloud .tag{font-size:12.5px}
}
@media (max-width:420px){
 .header-actions .btn-brand{display:none}
}
@media (prefers-reduced-motion:reduce){
 *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}