/* roulang page: index */
:root{
  --brand:#10D6A6;
  --brand-d:#0EB98F;
  --brand-ink:#0B1210;
  --accent:#FF6B2C;
  --violet:#7C5CFF;
  --ink:#141A22;
  --ink-2:#1D2429;
  --muted:#5A6672;
  --bg:#F4F6F5;
  --card:#FFFFFF;
  --line:#E3E7E5;
  --r-card:12px;
  --r-wall:16px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,26,34,.06);
  --sh-2:0 8px 24px rgba(20,26,34,.08);
  --container:1200px;
  --bs-primary:#10D6A6;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-border-radius:12px;
  --bs-link-color:#0EB98F;
  --bs-link-hover-color:#10D6A6;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-d);text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.02em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:var(--container);width:100%;margin:0 auto;padding:0 20px}
@media (max-width:767px){.container{padding:0 16px}}

/* ---------- 通用按钮 ---------- */
.btn{--bs-btn-border-radius:10px;font-weight:700;font-size:15px;letter-spacing:.02em;border-radius:var(--r-btn);transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;box-shadow:none}
.btn:focus,.btn:active{box-shadow:none}
.btn-brand{background:var(--brand);border:1px solid var(--brand);color:var(--brand-ink);height:46px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-brand:hover{background:var(--brand-d);border-color:var(--brand-d);color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-cta{background:var(--accent);border:1px solid var(--accent);color:#fff;height:46px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-cta:hover{background:#ef5c1c;border-color:#ef5c1c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);height:46px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-ghost:hover{background:rgba(16,214,166,.10);border-color:var(--brand);color:var(--ink)}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.72);color:#fff;height:46px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-sm-nav{height:44px;padding:0 20px;font-size:15px}
.link-more{color:var(--brand-d);font-weight:600;font-size:15px;border-bottom:2px solid rgba(16,214,166,.35);padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--brand);color:var(--brand-d)}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;background:rgba(16,214,166,.12);color:#0B7F63;letter-spacing:.02em}
.badge-accent{background:rgba(255,107,44,.14);color:#C24A16}
.badge-line{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;border:1px solid var(--line);color:var(--muted);background:#fff}

/* ---------- 顶部倒计时 ---------- */
.site-header{position:sticky;top:0;z-index:1030}
.countdown-bar{background:var(--ink);color:#fff}
.countdown-inner{display:flex;align-items:center;gap:16px;height:48px;font-size:13px}
.cd-label{color:rgba(255,255,255,.72);letter-spacing:.02em}
.cd-time{display:flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums;font-weight:800;color:var(--brand);font-size:15px;letter-spacing:.04em}
.cd-time em{font-style:normal}
.cd-sep{color:rgba(255,255,255,.4);font-weight:800}
.cd-link{margin-left:auto;color:#fff;border-bottom:2px solid rgba(255,255,255,.4);font-weight:600}
.cd-link:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ---------- 导航 ---------- */
.site-nav{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08)}
.site-nav .navbar{padding:0;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin-right:28px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.06em}
.brand-text small{color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.08em}
.nav-main{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-main .nav-link{color:rgba(255,255,255,.82);font-size:15px;font-weight:500;padding:10px 12px;border-bottom:2px solid transparent;transition:color .16s ease,border-color .16s ease}
.nav-main .nav-link:hover{color:var(--brand)}
.nav-main .nav-link.active{color:#fff;border-bottom-color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{border:1px solid rgba(255,255,255,.24);border-radius:10px;padding:8px 10px;background:transparent}
.nav-toggle:focus{box-shadow:none}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;margin:4px 0;border-radius:2px}
.offcanvas-dark{background:var(--ink);color:#fff}
.offcanvas-dark .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1)}
.offcanvas-dark .offcanvas-title{color:#fff;font-size:16px;font-weight:700}
.offcanvas-dark .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.oc-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0}
.oc-nav a{color:rgba(255,255,255,.85);font-size:15px;padding:11px 14px;border-radius:10px}
.oc-nav a:hover,.oc-nav a.active{background:rgba(16,214,166,.12);color:var(--brand)}
.oc-cta{margin-top:20px}
.oc-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(96deg,rgba(20,26,34,.90) 0%,rgba(20,26,34,.76) 52%,rgba(20,26,34,.64) 100%)}
.hero-inner{position:relative;padding:74px 20px 92px;min-height:520px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:6px;background:rgba(16,214,166,.16);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.04em}
.hero-tag::before{content:"";width:6px;height:6px;background:var(--brand);border-radius:50%}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;margin:18px 0;max-width:820px}
.hero-sub{color:rgba(255,255,255,.82);font-size:17px;max-width:620px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-card{position:absolute;right:20px;bottom:36px;width:302px;background:#fff;border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-2);border-left:3px solid var(--brand)}
.hero-card h4{font-size:15px;font-weight:700;margin-bottom:12px}
.hero-card dl{margin:0}
.hero-card dt{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.hero-card dd{margin:2px 0 12px;font-size:14px;color:var(--ink-2);font-weight:600}
.hero-card dd:last-child{margin-bottom:0}
.hero-card .hc-note{font-size:12px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);padding-top:10px;margin-top:2px}

/* ---------- 数据横条 ---------- */
.stat-band{background:#fff;border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:26px 20px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:30px;font-weight:800;color:var(--brand-d);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- 板块通用 ---------- */
.section{padding:84px 0}
.section-alt{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-kicker{display:block;font-size:13px;font-weight:700;color:var(--brand-d);letter-spacing:.14em;margin-bottom:8px}
.sec-kicker .num{color:var(--violet)}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:800}
.sec-desc{color:var(--muted);font-size:15px;margin-top:10px;max-width:660px}

/* ---------- 卖点横条 ---------- */
.perk-list{border-top:1px solid var(--line)}
.perk{display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line);transition:background-color .16s ease}
.perk:hover{background:rgba(16,214,166,.045)}
.perk-num{font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.perk-num.alt{color:var(--violet)}
.perk h3{font-size:20px;font-weight:600;margin-bottom:6px}
.perk p{color:var(--muted);font-size:14.5px;margin:0}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:146px;gap:16px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-wall);background:rgba(16,214,166,.08);border:1px solid var(--line)}
.wall-item:nth-child(1){grid-column:span 2;grid-row:span 2}
.wall-item:nth-child(2){grid-column:span 2}
.wall-item:nth-child(6){grid-column:span 3}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.wall-item:hover img{transform:scale(1.02)}
.wall-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;background:linear-gradient(to top,rgba(20,26,34,.78),rgba(20,26,34,0));color:#fff;font-size:13.5px;font-weight:600;transform:translateY(4px);opacity:.92;transition:transform .2s ease,opacity .2s ease}
.wall-item:hover .wall-cap{transform:translateY(0);opacity:1}

/* ---------- 中部 CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand)}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 20px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:800}
.cta-band p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:10px}
.cta-band-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-band-links .link-rule{color:#fff;font-size:15px;font-weight:600;border-bottom:2px solid rgba(255,255,255,.42);padding-bottom:2px}
.cta-band-links .link-rule:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}
.news-card:hover{border-color:rgba(16,214,166,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-card-link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-card-link:hover{color:inherit}
.news-thumb{position:relative;aspect-ratio:16/10;background:rgba(16,214,166,.08);border-bottom:1px solid var(--line);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sum{font-size:14px;line-height:1.7;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:8px}
.news-meta .arrow{color:var(--brand-d);font-weight:800}
.news-card--lead{grid-column:span 3}
.news-card--lead .news-card-link{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}
.news-card--lead .news-thumb{aspect-ratio:auto;min-height:280px;border-bottom:0;border-right:1px solid var(--line)}
.news-card--lead .news-body{padding:30px 32px;gap:14px}
.news-card--lead .news-title{font-size:24px;-webkit-line-clamp:2}
.news-card--lead .news-sum{font-size:15px;-webkit-line-clamp:3}
.empty-state{background:#fff;border:1px dashed rgba(16,214,166,.5);border-radius:var(--r-card);min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:24px}
.empty-state .es-icon{width:48px;height:48px;border-radius:14px;border:1.5px solid rgba(16,214,166,.45);display:flex;align-items:center;justify-content:center;color:var(--brand-d);font-weight:800;font-size:20px}
.empty-state p{color:var(--muted);font-size:14px;margin:0}

/* ---------- 分类标签 ---------- */
.cat-tags{display:flex;flex-wrap:wrap;gap:12px}
.cat-tag{display:inline-flex;align-items:center;gap:9px;height:44px;padding:0 20px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:15px;font-weight:600;transition:border-color .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}
.cat-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.cat-tag:hover{border-color:rgba(16,214,166,.55);color:var(--brand-d);transform:translateY(-1px);box-shadow:var(--sh-1)}

/* ---------- FAQ ---------- */
.faq-col{max-width:900px}
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;margin-bottom:14px;overflow:hidden}
.faq-acc .accordion-button{background:#fff;color:var(--ink);font-size:16.5px;font-weight:600;padding:18px 22px;border-left:3px solid transparent;box-shadow:none;gap:14px;align-items:center}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);border-left-color:var(--accent);background:#fff}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px}
.faq-acc .accordion-button::after{display:none}
.faq-ic{position:relative;width:18px;height:18px;margin-left:auto;flex:0 0 auto}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--muted);border-radius:2px}
.faq-ic::before{width:14px;height:2px}
.faq-ic::after{width:2px;height:14px;transition:transform .18s ease,opacity .18s ease,background-color .18s ease}
.accordion-button:not(.collapsed) .faq-ic::before{background:var(--accent)}
.accordion-button:not(.collapsed) .faq-ic::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;background:var(--accent)}
.faq-acc .accordion-body{padding:0 22px 20px 25px;color:var(--muted);font-size:14.5px;line-height:1.8}

/* ---------- 入口提示条 ---------- */
.entry-note{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 26px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;box-shadow:var(--sh-1);margin-top:36px}
.entry-note h3{font-size:17px;font-weight:600}
.entry-note p{font-size:14px;color:var(--muted);margin:4px 0 0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:17px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:.06em;display:block;line-height:1.3}
.footer-brand small{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.08em}
.footer-about{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;display:inline-block;transition:color .16s ease,transform .16s ease}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.68);display:flex;gap:8px}
.footer-contact .k{color:rgba(255,255,255,.42);flex:0 0 62px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:rgba(255,255,255,.48);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0}
}
@media (max-width:991px){
  .hero-inner{min-height:auto;padding:56px 20px 64px}
  .hero-card{position:static;width:auto;margin-top:32px;max-width:420px}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .wall-item:nth-child(1){grid-column:span 2;grid-row:span 2}
  .wall-item:nth-child(2){grid-column:span 2}
  .wall-item:nth-child(6){grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-column:span 2}
  .news-card--lead .news-card-link{grid-template-columns:1fr}
  .news-card--lead .news-thumb{min-height:0;aspect-ratio:16/9;border-right:0;border-bottom:1px solid var(--line)}
  .news-card--lead .news-body{padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .countdown-inner{height:auto;min-height:40px;padding:8px 0;flex-wrap:wrap;gap:8px 12px;font-size:13px}
  .cd-time{font-size:14px}
  .cd-link{margin-left:auto}
  .brand-text strong{font-size:16px}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:26px}
  .perk{grid-template-columns:60px 1fr;gap:16px;padding:22px 0}
  .perk-num{font-size:24px}
  .perk h3{font-size:18px}
  .wall{grid-template-columns:1fr;grid-auto-rows:auto}
  .wall-item,.wall-item:nth-child(1),.wall-item:nth-child(2),.wall-item:nth-child(6){grid-column:auto;grid-row:auto}
  .wall-item{aspect-ratio:16/10}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:auto}
  .news-body{padding:18px}
  .news-card--lead .news-body{padding:20px}
  .cta-band-inner{flex-direction:column;align-items:flex-start;padding:42px 20px;gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-about{max-width:none}
  .entry-note{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px}
  .stat-item:last-child{border-bottom:0}
  .hero-actions .btn{width:100%}
  .cat-tag{width:100%;justify-content:flex-start}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand:#10D6A6;
  --brand-deep:#0BAE86;
  --brand-soft:rgba(16,214,166,.12);
  --accent:#FF6B2C;
  --accent-soft:rgba(255,107,44,.12);
  --violet:#7C5CFF;
  --ink:#141A22;
  --ink-2:#1E2731;
  --bg:#F4F6F5;
  --card:#FFFFFF;
  --line:#E3E7E5;
  --text:#1D2429;
  --muted:#5A6672;
  --radius-card:12px;
  --radius-wall:16px;
  --radius-btn:10px;
  --radius-badge:6px;
  --sh-1:0 1px 2px rgba(20,26,34,.06);
  --sh-2:0 8px 24px rgba(20,26,34,.08);
  --ease:160ms ease;

  --bs-primary:#10D6A6;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-border-color:#E3E7E5;
  --bs-border-radius:12px;
  --bs-link-color:#0BAE86;
  --bs-link-hover-color:#07926F;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;width:100%}

/* ============ 通用排版 ============ */
.h1-page{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;letter-spacing:.02em}
h2,.h2-sec{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:800;letter-spacing:.02em}
h3,.h3-card{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;font-weight:600;line-height:1.45}
p{font-size:16px;line-height:1.75}
.lead{font-size:17px;line-height:1.8;color:var(--muted)}
.small-note{font-size:14px;color:var(--muted)}
.caption{font-size:13px;color:var(--muted)}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* ============ 按钮系统 ============ */
.btn{font-size:15px;font-weight:700;border-radius:var(--radius-btn);padding:0 22px;height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),filter var(--ease);letter-spacing:.02em;line-height:1}
.btn-brand{background:var(--brand);color:#0B1210;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand);filter:brightness(.96);transform:translateY(-1px);box-shadow:var(--sh-2);color:#0B1210}
.btn-cta{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-cta:hover{background:var(--accent);filter:brightness(.95);transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(20,26,34,.45)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--ink)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:var(--brand-soft);border-color:var(--brand);color:#fff}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm-nav{height:40px;padding:0 20px;font-size:14px}
.link-more{color:var(--brand-deep);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.link-more:hover{color:var(--accent);text-decoration-thickness:3px}

/* ============ 徽章 / 标签 ============ */
.badge-soft{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--radius-badge);background:var(--brand-soft);color:#07836A;font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.badge-accent{background:var(--accent-soft);color:#C2450F}
.badge-line{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-badge);border:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px;font-weight:600}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;font-weight:600;box-shadow:var(--sh-1);transition:all var(--ease)}
.chip:hover{border-color:rgba(16,214,166,.5);color:var(--brand-deep);transform:translateY(-1px)}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.is-active:hover{color:#fff}

/* ============ 顶部倒计时条 ============ */
.countdown-bar{background:var(--ink);height:48px;display:flex;align-items:center}
.countdown-inner{display:flex;align-items:center;gap:14px;flex-wrap:nowrap;overflow:hidden}
.cd-label{color:rgba(255,255,255,.72);font-size:14px;white-space:nowrap}
.cd-time{display:inline-flex;align-items:center;gap:4px;color:var(--brand);font-weight:800;font-size:17px;letter-spacing:.04em}
.cd-time em{font-style:normal;font-variant-numeric:tabular-nums}
.cd-sep{color:rgba(255,255,255,.35)}
.cd-link{margin-left:auto;color:#fff;font-size:14px;font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.cd-link:hover{color:var(--brand)}

/* ============ 导航 ============ */
.site-nav{background:var(--ink);min-height:68px;padding:0;border-bottom:1px solid rgba(255,255,255,.06)}
.site-nav .container{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;padding:0}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#0B1210;font-weight:800;font-size:17px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:18px;font-weight:800;letter-spacing:.02em}
.brand-text small{color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.06em}
.site-nav .navbar-nav{display:flex;flex-direction:row;gap:2px;margin-left:12px}
.nav-main .nav-link{color:rgba(255,255,255,.82);font-size:15px;padding:8px 12px;position:relative;border-radius:8px;transition:color var(--ease),background-color var(--ease)}
.nav-main .nav-link:hover{color:var(--brand);background:rgba(255,255,255,.05)}
.nav-main .nav-link.active{color:#fff}
.nav-main .nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{width:44px;height:40px;border:1px solid rgba(255,255,255,.25);border-radius:10px;background:transparent;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}
.nav-toggle span{width:18px;height:2px;background:#fff;border-radius:2px;display:block}
.nav-toggle:hover{border-color:var(--brand)}
.nav-drawer{background:var(--ink);color:#fff;width:320px;max-width:88vw}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px}
.drawer-title{font-size:16px;font-weight:700;color:#fff}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.nav-drawer .offcanvas-body{padding:20px}
.drawer-nav li+li{margin-top:4px}
.drawer-nav a{display:block;color:rgba(255,255,255,.85);font-size:15px;padding:12px 14px;border-radius:10px;border:1px solid transparent}
.drawer-nav a:hover{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1)}
.drawer-nav a.active{color:#fff;background:rgba(16,214,166,.14);border-color:rgba(16,214,166,.4)}

/* ============ 页头带 ============ */
.page-hero{position:relative;background:#101822;overflow:hidden}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;opacity:.42}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,24,34,.92) 0%,rgba(16,24,34,.78) 55%,rgba(16,24,34,.6) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:52px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.65);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.35)}
.page-hero h1{color:#fff;max-width:840px}
.page-hero .hero-sub{color:rgba(255,255,255,.78);font-size:17px;line-height:1.8;max-width:720px;margin-top:16px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-fact{min-width:130px}
.hero-fact .v{font-size:26px;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:800;line-height:1.2}
.hero-fact .k{font-size:13px;color:rgba(255,255,255,.65);margin-top:4px}

/* ============ 分类切换条 ============ */
.switch-bar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;box-shadow:var(--sh-1)}
.switch-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 20px;max-width:1200px;margin:0 auto;scrollbar-width:thin}
.switch-inner::-webkit-scrollbar{height:4px}
.switch-inner::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.switch-item{flex:0 0 auto;height:38px;display:inline-flex;align-items:center;padding:0 16px;border-radius:var(--radius-btn);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--muted);background:#fff;transition:all var(--ease)}
.switch-item:hover{color:var(--brand-deep);border-color:rgba(16,214,166,.5)}
.switch-item.is-active{background:var(--accent);border-color:var(--accent);color:#fff}
.switch-item.is-active:hover{color:#fff}

/* ============ 板块基础 ============ */
.section{padding:80px 0}
.section.tight{padding:64px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:.08em;margin-bottom:12px}
.sec-kicker::before{content:"";width:3px;height:14px;background:var(--brand);border-radius:2px}
.sec-sub{color:var(--muted);font-size:16px;margin-top:12px;max-width:680px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:0;max-width:920px}
.timeline::before{content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(16,214,166,.15))}
.tl-item{position:relative;display:flex;gap:22px;padding:0 0 26px}
.tl-item:last-child{padding-bottom:0}
.tl-node{flex:0 0 48px;width:48px;height:48px;border-radius:12px;background:#fff;border:1.5px solid rgba(16,214,166,.45);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);position:relative;z-index:2}
.tl-node .tl-num{font-variant-numeric:tabular-nums;font-weight:800;font-size:16px;color:var(--brand-deep)}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;flex:1 1 auto;transition:border-color var(--ease),box-shadow var(--ease)}
.tl-item:hover .tl-body{border-color:rgba(16,214,166,.5);box-shadow:var(--sh-2)}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.tl-top h3{font-size:18px;font-weight:700}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.75}
.tl-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.tl-meta span{font-size:13px;color:var(--muted)}
.tl-meta b{color:var(--text);font-weight:700}

/* ============ 准备事项 ============ */
.prep-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.prep-figure{border-radius:var(--radius-wall);overflow:hidden;border:1px solid var(--line);background:var(--brand-soft);aspect-ratio:16/10}
.prep-figure img{width:100%;height:100%;object-fit:cover}
.prep-list{display:grid;gap:14px}
.prep-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:border-color var(--ease),box-shadow var(--ease)}
.prep-item:hover{border-color:rgba(16,214,166,.5);box-shadow:var(--sh-2)}
.prep-idx{flex:0 0 30px;height:30px;border-radius:8px;background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.prep-item h4{font-size:16px;font-weight:700;margin-bottom:4px}
.prep-item p{font-size:14px;color:var(--muted);line-height:1.7}
.prep-note{margin-top:20px;padding:16px 18px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;font-size:14px;color:#0A5E4C;line-height:1.75}

/* ============ 信息带 ============ */
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.info-cell{padding:24px;border-right:1px solid var(--line)}
.info-cell:last-child{border-right:none}
.info-cell .k{font-size:13px;color:var(--muted);letter-spacing:.04em}
.info-cell .v{font-size:20px;font-weight:800;color:var(--ink);margin-top:6px;font-variant-numeric:tabular-nums}
.info-cell .d{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ============ 异常处理对照 ============ */
.fix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.fix-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
.fix-card:hover{border-color:rgba(16,214,166,.5);box-shadow:var(--sh-2);transform:translateY(-2px)}
.fix-card .fx-t{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.fix-card .fx-t h3{font-size:17px;font-weight:700}
.fx-icon{flex:0 0 28px;width:28px;height:28px;border-radius:8px;border:1.5px solid var(--brand);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.fix-card p{font-size:14px;color:var(--muted);line-height:1.75}

/* ============ 说明列表 ============ */
.rule-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 24px}
.rule-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.75;color:var(--text)}
.rule-list li:last-child{border-bottom:none}
.rule-list li .dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:10px}
.rule-list li b{font-weight:700}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink);border-radius:var(--radius-wall);padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:8px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ============ 返回入口 ============ */
.back-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.back-link{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
.back-link:hover{border-color:rgba(16,214,166,.5);box-shadow:var(--sh-2);transform:translateY(-2px)}
.back-link h4{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.back-link p{font-size:13px;color:var(--muted);line-height:1.7}
.back-link .arr{display:inline-block;margin-top:10px;color:var(--brand-deep);font-weight:700;font-size:13px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.35fr .85fr .85fr 1.05fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;display:block;line-height:1.2}
.footer-brand small{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.06em}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list li+li{margin-top:10px}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:10px;line-height:1.7}
.footer-contact .k{color:rgba(255,255,255,.5);flex:0 0 62px}
.footer-contact span:last-child{color:rgba(255,255,255,.78)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .prep-grid{grid-template-columns:1fr;gap:26px}
  .back-links{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .section{padding:60px 0}
  .section.tight{padding:52px 0}
  .fix-grid{grid-template-columns:1fr}
  .info-strip{grid-template-columns:1fr}
  .info-cell{border-right:none;border-bottom:1px solid var(--line)}
  .info-cell:last-child{border-bottom:none}
  .page-hero .container{padding-top:40px;padding-bottom:38px}
  .cta-band{padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .container{padding-left:16px;padding-right:16px}
  .countdown-bar{height:40px}
  .countdown-inner{gap:10px;font-size:13px;flex-wrap:wrap;row-gap:0}
  .cd-label{font-size:13px}
  .cd-time{font-size:15px}
  .cd-link{font-size:13px}
  .section{padding:44px 0}
  .section.tight{padding:40px 0}
  .site-nav .container{min-height:60px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-facts{gap:20px;margin-top:24px;padding-top:20px}
  .hero-fact{min-width:104px}
  .hero-fact .v{font-size:22px}
  .timeline{padding-left:0}
  .timeline::before{left:19px}
  .tl-item{gap:14px;padding-bottom:20px}
  .tl-node{flex:0 0 40px;width:40px;height:40px;border-radius:10px}
  .tl-node .tl-num{font-size:14px}
  .tl-body{padding:18px 18px}
  .prep-item{padding:18px}
  .fix-card{padding:18px 18px}
  .rule-list{padding:6px 18px}
  .prep-figure{aspect-ratio:16/10}
  .cta-band{padding:28px 22px}
  .back-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:44px 0 22px}
}
@media (max-width:575.98px){
  .btn{width:100%}
  .btn.btn-inline{width:auto}
  .cd-link{margin-left:0}
  .hero-facts{gap:16px}
  .hero-fact{min-width:calc(50% - 16px)}
}

/* roulang page: article */
:root{
  --c-primary:#10D6A6;
  --c-primary-d:#0BBE93;
  --c-primary-soft:rgba(16,214,166,.12);
  --c-accent:#FF6B2C;
  --c-accent-d:#F2561A;
  --c-accent-soft:rgba(255,107,44,.12);
  --c-ink:#141A22;
  --c-ink-soft:#1C232C;
  --c-bg:#F4F6F5;
  --c-card:#FFFFFF;
  --c-line:#E3E7E5;
  --c-text:#1D2429;
  --c-muted:#5A6672;
  --c-violet:#7C5CFF;
  --r-card:12px;
  --r-img:16px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,26,34,.06);
  --sh-2:0 8px 24px rgba(20,26,34,.08);
  --bs-primary:#10D6A6;
  --bs-primary-rgb:16,214,166;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-border-color:#E3E7E5;
  --bs-border-radius:10px;
  --bs-border-radius-sm:8px;
  --bs-border-radius-lg:12px;
  --bs-link-color:#0E9E7C;
  --bs-link-hover-color:#0BBE93;
  --bs-btn-border-radius:10px;
  --bs-btn-font-weight:700;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:#0E9E7C;text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:.02em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px;}

/* ============ 按钮系统 ============ */
.btn-main,.btn-cta,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
}
.btn-main{background:var(--c-primary);color:#0B1210;box-shadow:var(--sh-1);}
.btn-main:hover{background:#0DC79B;color:#0B1210;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-cta{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-cta:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:rgba(20,26,34,.28);}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:#0B1210;}
.btn-sm-nav{height:40px;padding:0 18px;font-size:14px;}
.link-underline{color:var(--c-primary-d);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.link-underline:hover{color:#0B7F63;text-decoration-thickness:3px;}

/* ============ 徽章 / 标签 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-soft);color:#0B8F70;
}
.badge-accent{background:var(--c-accent-soft);color:#C64412;}

/* ============ 顶部倒计时条 ============ */
.countdown-bar{background:var(--c-ink);color:#fff;}
.countdown-inner{display:flex;align-items:center;gap:14px;height:48px;font-size:14px;}
.cd-label{color:rgba(255,255,255,.72);}
.cd-time{font-variant-numeric:tabular-nums;font-weight:800;color:var(--c-primary);letter-spacing:.04em;font-size:15px;}
.cd-time em{font-style:normal;}
.cd-sep{color:rgba(255,255,255,.35);margin:0 2px;}
.cd-link{margin-left:auto;color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px;}
.cd-link:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ============ 导航 ============ */
.site-nav{background:var(--c-ink);border-bottom:1px solid rgba(255,255,255,.06);}
.site-nav .container{display:flex;align-items:center;height:68px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;padding:0;margin:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--c-primary),#0B8F70);
  color:#0B1210;font-weight:800;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.04em;}
.brand-text small{color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.06em;}
.nav-main{gap:4px;}
.nav-main .nav-link{
  position:relative;color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
  padding:8px 12px;border-radius:8px;transition:color .16s ease,background-color .16s ease;
}
.nav-main .nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-main .nav-link.active{color:#fff;}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:38px;border:1px solid rgba(255,255,255,.22);border-radius:10px;
  background:transparent;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;}
.nav-toggle:hover{border-color:var(--c-primary);}
.nav-drawer{background:#141A22;color:#fff;width:320px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);}
.drawer-title{color:#fff;font-weight:800;font-size:16px;letter-spacing:.04em;}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:block;padding:12px 12px;border-radius:10px;color:rgba(255,255,255,.84);
  font-size:15px;border-left:3px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,255,255,.07);color:#fff;border-left-color:var(--c-primary);}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.crumb-inner{display:flex;align-items:center;gap:10px;height:52px;font-size:13px;color:var(--c-muted);min-width:0;}
.crumb-inner a{color:var(--c-muted);}
.crumb-inner a:hover{color:var(--c-primary-d);}
.crumb-sep{color:#B9C1BF;}
.crumb-current{color:var(--c-ink);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60%;}

/* ============ 文章头部 ============ */
.article-head{padding:44px 0 0;}
.head-rail{width:52px;height:3px;background:var(--c-primary);border-radius:2px;margin-bottom:18px;}
.article-title{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;margin-bottom:16px;}
.article-lead{font-size:17px;color:var(--c-muted);max-width:820px;line-height:1.8;}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:14px;color:var(--c-muted);}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4CCCA;}
.art-cover{margin-top:32px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);background:var(--c-primary-soft);}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.art-cover figcaption{font-size:13px;color:var(--c-muted);padding:10px 16px;background:#fff;border-top:1px solid var(--c-line);}

/* ============ 主体布局 ============ */
.article-main{padding:48px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-col{max-width:780px;}
.article-body{font-size:17px;line-height:1.85;color:#20282E;}
.article-body h2{
  font-size:24px;line-height:1.3;margin:38px 0 16px;padding-left:14px;
  border-left:3px solid var(--c-primary);font-weight:700;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:26px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:20px 0 10px;}
.article-body p{margin-bottom:1.1em;}
.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{margin-bottom:.5em;line-height:1.9;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:#fff;border-left:3px solid var(--c-accent);
  border-radius:0 var(--r-card) var(--r-card) 0;color:#33403F;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-card);margin:18px 0;border:1px solid var(--c-line);}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:12px 10px;text-align:left;}
.article-body th{background:#fff;font-weight:700;color:var(--c-ink);}
.article-body a{color:#0E9E7C;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{text-decoration-thickness:2px;}
.article-body code{background:rgba(16,214,166,.14);padding:2px 6px;border-radius:6px;font-size:15px;}
.tail-block{margin-top:38px;padding-top:24px;border-top:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-badge);
  background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-muted);
}
.tag:hover{border-color:rgba(16,214,166,.6);color:#0B8F70;}
.act-row{display:flex;flex-wrap:wrap;gap:12px;}
.action-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid rgba(20,26,34,.26);color:var(--c-ink);
  font-size:14px;font-weight:600;cursor:pointer;transition:all .16s ease;
}
.action-btn:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:#0B1210;}
.action-btn.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#0B1210;}

/* ============ 空态 ============ */
.empty-state{
  padding:34px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:#fff;text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 12px;border-radius:50%;
  border:1.5px solid rgba(16,214,166,.45);color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:16px;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;margin-bottom:14px;
}
.side-title::before{content:"";width:3px;height:16px;background:var(--c-primary);border-radius:2px;}
.toc-list li+li{border-top:1px solid var(--c-line);}
.toc-list a{display:block;padding:10px 0;font-size:14px;color:var(--c-muted);}
.toc-list a:hover{color:var(--c-primary-d);padding-left:4px;}
.hot-list li+li{border-top:1px solid var(--c-line);}
.hot-list a{display:flex;gap:10px;padding:12px 0;font-size:14px;color:var(--c-text);line-height:1.6;}
.hot-list a:hover{color:var(--c-primary-d);}
.hot-index{font-weight:800;font-size:15px;color:var(--c-primary);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.hot-index.violet{color:var(--c-violet);}
.cta-card{background:var(--c-ink);border:none;color:#fff;}
.cta-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.cta-card p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:16px;line-height:1.7;}
.cta-card .btn-main{width:100%;}
.cta-card .side-note{font-size:12px;color:rgba(255,255,255,.5);margin:12px 0 0;}

/* ============ 相关阅读 ============ */
.related{padding:60px 0 0;}
.related h2{font-size:clamp(24px,3vw,32px);margin-bottom:8px;}
.related-sub{color:var(--c-muted);font-size:15px;margin-bottom:22px;}
.related-list{border-top:1px solid var(--c-line);}
.related-item{
  display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--c-line);
  transition:padding-left .16s ease;
}
.related-item:hover{padding-left:6px;}
.related-item .r-main{flex:1 1 auto;min-width:0;}
.related-item h3{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--c-ink);}
.related-item:hover h3{color:var(--c-primary-d);}
.related-item .r-meta{display:flex;gap:12px;font-size:13px;color:var(--c-muted);}
.related-item .r-arrow{color:var(--c-primary);font-size:15px;}
.related-foot{margin-top:24px;}

/* ============ CTA 带 ============ */
.cta-band{margin-top:64px;background:var(--c-ink);border-radius:var(--r-img);padding:38px 36px;}
.cta-band .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.68);font-size:15px;margin:0;}
.cta-band .cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-band .rule-link{color:rgba(255,255,255,.8);font-size:14px;border-bottom:1px solid rgba(255,255,255,.35);}
.cta-band .rule-link:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:80px;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:17px;display:block;font-weight:800;letter-spacing:.04em;}
.footer-brand small{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.06em;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-list li{margin-bottom:9px;}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;display:inline-block;transition:all .16s ease;}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:9px;color:rgba(255,255,255,.7);}
.footer-contact .k{color:rgba(255,255,255,.45);flex:0 0 62px;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-col{max-width:100%;}
  .article-main{padding-top:36px;}
  .article-head{padding-top:32px;}
  .cta-band{padding:30px 24px;margin-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .countdown-inner{height:40px;font-size:13px;gap:10px;flex-wrap:wrap;}
  .cd-time{font-size:13px;}
  .site-nav .container{height:60px;}
  .article-title{font-size:clamp(28px,7vw,34px);}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:21px;margin-top:30px;}
  .related{padding-top:44px;}
  .cta-band{border-radius:var(--r-card);}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn-cta{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .crumb-current{max-width:52%;}
}
@media (max-width:575.98px){
  .container{padding-inline:16px;}
  .article-head{padding-top:26px;}
  .art-meta{gap:10px;font-size:13px;}
  .side-card{padding:18px;}
  .related-item{gap:12px;}
  .related-item .r-arrow{display:none;}
  .action-btn{width:100%;justify-content:center;}
}

/* roulang page: category2 */
:root{
  --brand:#10D6A6;
  --brand-dark:#0FBF95;
  --brand-deep:#0E9C78;
  --accent:#FF6B2C;
  --accent-dark:#E85A1C;
  --ink:#141A22;
  --bg:#F4F6F5;
  --card:#FFFFFF;
  --line:#E3E7E5;
  --text:#1D2429;
  --muted:#5A6672;
  --violet:#7C5CFF;

  --r-card:12px;
  --r-wall:16px;
  --r-btn:10px;
  --r-badge:6px;

  --sh-1:0 1px 2px rgba(20,26,34,.06);
  --sh-2:0 8px 24px rgba(20,26,34,.08);

  --bs-primary:#10D6A6;
  --bs-primary-rgb:16,214,166;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-border-color:#E3E7E5;
  --bs-border-radius:12px;
  --bs-border-radius-sm:8px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#0E9C78;
  --bs-link-hover-color:#0B7C60;
  --bs-link-decoration:none;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;letter-spacing:.02em}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:800}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.45;font-weight:600}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
li{line-height:1.8}
button{font-family:inherit}
::selection{background:rgba(16,214,166,.28)}

a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-ink{background:var(--ink);color:#E8EDEA}
.section-ink h2,.section-ink h3,.section-ink h4{color:#fff}
.section-white{background:var(--card)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-deep);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--brand);display:block}
.lead-text{color:var(--muted);font-size:16px;max-width:760px}
.sec-head{margin-bottom:40px}
.sec-head p{color:var(--muted);margin:0;max-width:720px}

/* ---------- 按钮 ---------- */
.btn{transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  background:var(--brand);color:#0B1210;font-weight:700;font-size:15px;
  border:1px solid var(--brand);border-radius:var(--r-btn);
  box-shadow:var(--sh-1);
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#08130F;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  border:1px solid var(--accent);border-radius:var(--r-btn);
  box-shadow:var(--sh-1);
}
.btn-cta:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  background:transparent;color:var(--ink);font-weight:600;font-size:15px;
  border:1.5px solid rgba(20,26,34,.55);border-radius:var(--r-btn);
}
.btn-ghost:hover{background:rgba(16,214,166,.10);border-color:var(--brand);color:var(--ink)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1.5px solid rgba(255,255,255,.55);border-radius:var(--r-btn);
}
.btn-ghost-light:hover{background:rgba(16,214,166,.16);border-color:var(--brand);color:#fff}
.link-more{
  color:var(--brand-deep);font-weight:600;
  border-bottom:2px solid rgba(16,214,166,.45);
  text-decoration:none;transition:border-color .16s ease,color .16s ease;
}
.link-more:hover{border-color:var(--brand);color:var(--brand-dark)}

/* ---------- 顶部倒计时 + 导航 ---------- */
.site-header{position:relative;z-index:1050}
.countdown-bar{
  background:var(--ink);color:#C9D3CF;
  position:sticky;top:0;z-index:1035;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.countdown-inner{
  height:48px;display:flex;align-items:center;gap:14px;font-size:14px;
}
.cd-label{color:#93A19B;letter-spacing:.02em}
.cd-time{display:inline-flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums}
.cd-time em{font-style:normal;font-weight:800;color:var(--brand);font-size:16px;min-width:26px;text-align:center}
.cd-sep{color:#5C6B65;font-weight:700}
.cd-link{margin-left:auto;color:#C9D3CF;font-weight:600;border-bottom:1.5px solid rgba(16,214,166,.5);padding-bottom:1px}
.cd-link:hover{color:var(--brand)}

.site-nav{
  background:var(--ink);
  padding:0;
  box-shadow:0 1px 0 rgba(255,255,255,.06);
}
.site-nav .container{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;padding:0;margin-right:8px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand),#0B8F70);
  color:#08201A;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.04em}
.brand-text small{color:#8B9993;font-size:11.5px;letter-spacing:.06em}
.brand:hover .brand-text strong{color:var(--brand)}

.nav-main{gap:2px;list-style:none;padding-left:0;margin:0;flex-direction:row;align-items:center}
.nav-main .nav-link{
  color:#D5DEDA;font-size:15px;font-weight:500;
  padding:10px 12px;border-radius:8px;position:relative;
  transition:color .16s ease,background-color .16s ease;
}
.nav-main .nav-link:hover{color:var(--brand);background:rgba(255,255,255,.05)}
.nav-main .nav-link.active{color:#fff}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px}
.btn-sm-nav{min-height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  width:44px;height:40px;border:1px solid rgba(255,255,255,.22);border-radius:10px;
  background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#D5DEDA;border-radius:2px}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle:hover span{background:var(--brand)}

.nav-drawer{background:var(--ink);color:#E8EDEA;width:300px}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.09);padding:16px 20px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.nav-drawer .offcanvas-body{padding:20px}
.drawer-nav{list-style:none;padding:0;margin:18px 0 0}
.drawer-nav li{margin-bottom:4px}
.drawer-nav a{
  display:block;padding:11px 12px;border-radius:9px;color:#D5DEDA;font-size:15px;font-weight:500;
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--brand)}
.drawer-nav a.active{background:rgba(16,214,166,.14);color:#fff}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:#8A9691}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#B9C3BF}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(rgba(20,26,34,.72),rgba(20,26,34,.82)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:76px 0 68px;
}
.page-hero h1{color:#fff;max-width:900px;margin-bottom:16px}
.page-hero .page-desc{color:#CBD6D1;max-width:720px;font-size:16.5px;margin-bottom:22px}
.page-hero .crumb{color:#95A29C;margin-bottom:20px}
.page-hero .crumb a{color:#CBD6D1}
.page-hero .crumb .sep{color:#6C7A74}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-badge);
  background:rgba(16,214,166,.12);color:var(--brand-deep);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-badge);
  background:rgba(255,107,44,.13);color:#C94C13;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-outline{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-badge);
  border:1px solid rgba(255,255,255,.34);color:#DCE5E1;font-size:12px;font-weight:600;
}

/* ---------- 分类切换条 ---------- */
.cat-tabs{background:var(--card);border-bottom:1px solid var(--line);position:relative;z-index:5}
.cat-tabs-inner{display:flex;gap:8px;flex-wrap:wrap;padding:14px 20px;align-items:center}
.cat-tabs a{
  display:inline-flex;align-items:center;padding:8px 15px;border-radius:8px;
  font-size:14.5px;font-weight:600;color:#5A6672;background:#F1F4F2;
  border:1px solid transparent;transition:all .16s ease;
}
.cat-tabs a:hover{color:var(--ink);border-color:rgba(16,214,166,.5);background:#fff}
.cat-tabs a.is-active{
  background:rgba(255,107,44,.12);color:#C94C13;border-color:rgba(255,107,44,.35);
}

/* ---------- 数据横条 ---------- */
.stat-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
.stat-strip .row-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:26px 22px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:none}
.stat-num{
  font-size:30px;font-weight:800;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px;
}
.stat-num span{font-size:16px;font-weight:700;margin-left:2px}
.stat-label{font-size:14px;color:var(--muted)}

/* ---------- 两列图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1.02fr 1fr;gap:52px;align-items:center;
  padding:36px 0;
}
.split + .split{border-top:1px dashed var(--line)}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.split-media{
  margin:0;border-radius:var(--r-wall);overflow:hidden;
  border:1px solid var(--line);background:rgba(16,214,166,.08);
  box-shadow:var(--sh-1);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .32s ease}
.split:hover .split-media img{transform:scale(1.02)}
.split-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--violet);margin-bottom:12px;
}
.split-index::after{content:"";width:26px;height:3px;background:var(--brand);display:block}
.split-body h3{font-size:22px;font-weight:700;margin-bottom:10px}
.split-body p{color:var(--muted);margin-bottom:14px}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding-left:26px;margin-bottom:8px;font-size:15px;color:var(--text)}
.check-list li::before{
  content:"";position:absolute;left:4px;top:11px;width:10px;height:6px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* ---------- 自检清单板块 ---------- */
.selfcheck{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.selfcheck-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:border-color .16s ease,box-shadow .16s ease;
}
.selfcheck-panel:hover{border-color:rgba(16,214,166,.4);box-shadow:var(--sh-2)}
.selfcheck-panel h3{margin-bottom:16px;padding-left:14px;position:relative}
.selfcheck-panel h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;background:var(--brand);border-radius:2px;
}
.info-rows{list-style:none;padding:0;margin:0}
.info-rows li{
  display:flex;gap:16px;justify-content:space-between;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;
}
.info-rows li:last-child{border-bottom:none}
.info-rows .k{color:var(--muted)}
.info-rows .v{font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.note-box{
  margin-top:22px;padding:16px 18px;border-radius:var(--r-card);
  background:rgba(16,214,166,.08);border:1px solid rgba(16,214,166,.28);
  font-size:14.5px;color:#2C4A42;
}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,214,166,.22),transparent 68%);
}
.cta-inner{display:flex;gap:32px;align-items:center;justify-content:space-between;flex-wrap:wrap;position:relative;z-index:1}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{color:#B9C5C0;margin:0;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 返回入口 ---------- */
.back-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.back-links a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--card);
  color:var(--ink);font-size:14.5px;font-weight:600;
  box-shadow:var(--sh-1);transition:all .16s ease;
}
.back-links a:hover{border-color:rgba(16,214,166,.5);transform:translateY(-1px);box-shadow:var(--sh-2)}
.back-links a::before{content:"→";color:var(--brand-deep);font-weight:800}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B5B0;padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:17px;display:block;font-weight:800;letter-spacing:.04em}
.footer-brand small{color:#8B9993;font-size:11.5px;display:block}
.footer-about{color:#8B9993;font-size:14px;line-height:1.8;margin:0;max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#A9B5B0;display:inline-block;transition:color .16s ease,transform .16s ease}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{list-style:none;padding:0;margin:0}
.footer-contact li{display:flex;gap:10px;margin-bottom:11px;color:#A9B5B0;flex-wrap:wrap}
.footer-contact .k{color:#7B8884;min-width:66px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7B8884;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-main .nav-link{padding:10px 9px;font-size:14.5px}
  .split{gap:38px}
}
@media (max-width:991.98px){
  .section{padding:62px 0}
  .page-hero{padding:60px 0 54px}
  .split{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .split.reverse .split-media{order:0}
  .split.reverse .split-body{order:0}
  .selfcheck{grid-template-columns:1fr;gap:28px}
  .stat-strip .row-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-left:none;border-top:1px solid var(--line)}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:none}
  .stat-item:nth-child(even){border-left:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:52px 0}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .section{padding:46px 0}
  .section-tight{padding:38px 0}
  .countdown-inner{height:auto;min-height:40px;flex-wrap:wrap;padding:8px 0;font-size:13px;gap:10px}
  .cd-time em{font-size:14px;min-width:22px}
  .cd-link{margin-left:auto}
  .site-nav .container{height:60px}
  .page-hero{padding:48px 0 44px}
  .page-hero .page-desc{font-size:15.5px}
  .split-body h3{font-size:19px}
  .stat-item{padding:20px 16px}
  .stat-num{font-size:25px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost-light,.cta-actions .btn-cta{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .selfcheck-panel{padding:22px}
}
@media (max-width:575.98px){
  h1{font-size:28px}
  .split-media img{aspect-ratio:16/10}
  .cat-tabs-inner{padding:12px 16px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .cat-tabs a{white-space:nowrap;font-size:14px;padding:8px 13px}
  .stat-strip .row-grid{grid-template-columns:1fr}
  .stat-item{border-left:none !important;border-top:1px solid var(--line)}
  .stat-item:first-child{border-top:none}
}

/* roulang page: category3 */
:root{
  --brand:#10D6A6;
  --brand-deep:#0B8F6C;
  --brand-ink:#0B1210;
  --accent:#FF6B2C;
  --accent-deep:#C9481A;
  --violet:#7C5CFF;
  --ink:#141A22;
  --ink-soft:#0F151C;
  --page:#F4F6F5;
  --card:#FFFFFF;
  --line:#E3E7E5;
  --text:#1D2429;
  --muted:#5A6672;
  --r-card:12px;
  --r-wall:16px;
  --r-btn:10px;
  --r-badge:6px;
  --sh1:0 1px 2px rgba(20,26,34,.06);
  --sh2:0 8px 24px rgba(20,26,34,.08);

  --bs-primary:#10D6A6;
  --bs-primary-rgb:16,214,166;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-link-color:#0B8F6C;
  --bs-link-hover-color:#0B7A5F;
  --bs-border-color:#E3E7E5;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--accent-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;color:var(--text);font-weight:700;}
ul,ol{margin:0;padding:0;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;}

a:focus-visible,button:focus-visible,.btn:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}

/* ============ 按钮系统 ============ */
.btn{
  --bs-btn-border-radius:var(--r-btn);
  border-radius:var(--r-btn);
  font-weight:700;
  font-size:15px;
  line-height:1;
  padding:14px 24px;
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,background-color .16s ease,border-color .16s ease;
  box-shadow:none;
}
.btn:active{transform:translateY(0);}
.btn-brand{background:var(--brand);border:1px solid var(--brand);color:var(--brand-ink);}
.btn-brand:hover{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);filter:brightness(.96);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-cta{background:var(--accent);border:1px solid var(--accent);color:#fff;}
.btn-cta:hover{background:var(--accent);border-color:var(--accent);color:#fff;filter:brightness(.96);transform:translateY(-1px);box-shadow:0 8px 24px rgba(255,107,44,.26);}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(16,214,166,.12);border-color:var(--brand);color:var(--ink);}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(16,214,166,.16);border-color:var(--brand);color:#fff;}
.btn-sm-nav{padding:11px 22px;min-height:42px;font-size:14.5px;}
.link-text{color:var(--brand-deep);font-weight:600;border-bottom:2px solid var(--brand);padding-bottom:1px;}
.link-text:hover{color:var(--accent-deep);border-bottom-width:3px;}

/* ============ 顶部倒计时 ============ */
.site-header{position:relative;z-index:1030;}
.countdown-bar{background:var(--ink-soft);border-bottom:1px solid rgba(255,255,255,.07);}
.countdown-inner{display:flex;align-items:center;gap:14px;min-height:48px;font-size:14px;color:rgba(255,255,255,.7);}
.cd-label{letter-spacing:.04em;}
.cd-time{display:inline-flex;align-items:center;gap:2px;}
.cd-time em{
  font-style:normal;font-weight:800;font-size:17px;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.cd-sep{color:rgba(255,255,255,.35);font-weight:800;}
.cd-link{margin-left:auto;color:#fff;font-size:13.5px;border-bottom:2px solid var(--brand);padding-bottom:1px;}
.cd-link:hover{color:var(--brand);}

/* ============ 导航 ============ */
.site-nav{background:var(--ink);min-height:68px;padding:0;border:0;border-radius:0;box-shadow:var(--sh1);}
.site-nav .container{display:flex;align-items:center;gap:18px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin:0;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;
  background:var(--brand);color:var(--brand-ink);font-weight:800;font-size:18px;
  border-radius:9px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.04em;}
.brand-text small{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.1em;}
.nav-main{gap:2px;align-items:center;}
.nav-main .nav-link{
  position:relative;color:rgba(255,255,255,.8);font-size:15px;padding:10px 12px;border:0;
  transition:color .16s ease;
}
.nav-main .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:transparent;transition:background-color .16s ease;
}
.nav-main .nav-link:hover{color:var(--brand);}
.nav-main .nav-link.active{color:#fff;font-weight:600;}
.nav-main .nav-link.active::after{background:var(--brand);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  width:44px;height:40px;border:1px solid rgba(255,255,255,.22);border-radius:10px;
  background:transparent;display:inline-flex;flex-direction:column;justify-content:center;
  align-items:center;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;}
.nav-toggle:hover{border-color:var(--brand);}
.nav-toggle:hover span{background:var(--brand);}

.nav-drawer{background:var(--ink);color:#fff;width:320px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px;}
.nav-drawer .offcanvas-title{color:#fff;font-size:16px;font-weight:700;}
.nav-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.nav-drawer .offcanvas-body{padding:18px 20px 28px;}
.drawer-cta{width:100%;margin-bottom:18px;}
.drawer-nav{list-style:none;}
.drawer-nav li{margin-bottom:4px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:10px;color:rgba(255,255,255,.82);
  font-size:15px;border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(16,214,166,.12);color:#fff;border-color:rgba(16,214,166,.35);}
.drawer-nav a.active{background:rgba(16,214,166,.16);color:#fff;font-weight:600;border-color:rgba(16,214,166,.45);}

/* ============ 页头带 ============ */
.page-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate;}
.page-band::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-band::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(95deg,rgba(12,17,23,.95) 0%,rgba(12,17,23,.86) 52%,rgba(12,17,23,.66) 100%);
}
.page-band .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.3);}
.band-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:rgba(16,214,166,.12);border:1px solid rgba(16,214,166,.35);
  border-radius:var(--r-badge);padding:6px 12px;margin-bottom:18px;
}
.page-band h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;
  max-width:16em;margin-bottom:16px;
}
.page-band .band-sub{color:rgba(255,255,255,.78);font-size:17px;line-height:1.75;max-width:36em;margin-bottom:26px;}
.band-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 分类切换条 ============ */
.cat-switch{background:#fff;border-bottom:1px solid var(--line);}
.cat-switch-inner{
  display:flex;gap:8px;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.cat-switch-inner::-webkit-scrollbar{display:none;}
.cat-switch a{
  flex:0 0 auto;padding:9px 16px;border:1px solid var(--line);border-radius:9px;
  font-size:14px;color:var(--text);white-space:nowrap;background:#fff;
}
.cat-switch a:hover{border-color:rgba(16,214,166,.5);color:var(--brand-deep);}
.cat-switch a.is-current{
  background:rgba(255,107,44,.1);border-color:var(--accent);color:var(--accent-deep);font-weight:600;
}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-sm{padding:56px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:34px;max-width:760px;}
.sec-head.has-bar{padding-left:16px;border-left:3px solid var(--brand);}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-deep);
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:800;margin-bottom:10px;}
.sec-head p{color:var(--muted);font-size:15.5px;margin:0;}
.sec-head-wide{max-width:none;}

/* ============ 规格矩阵卡 ============ */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.matrix-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.matrix-card:hover{border-color:rgba(16,214,166,.45);box-shadow:var(--sh2);transform:translateY(-2px);}
.matrix-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.matrix-num{
  font-size:13px;font-weight:800;color:var(--violet);letter-spacing:.14em;
  font-variant-numeric:tabular-nums;
}
.matrix-title{font-size:17px;font-weight:700;line-height:1.4;}
.spec-list{list-style:none;margin-top:14px;}
.spec-list li{
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list .k{color:var(--muted);flex:0 0 auto;}
.spec-list .v{color:var(--text);font-weight:600;text-align:right;}
.spec-list .v em{font-style:normal;color:var(--brand-deep);font-weight:800;font-variant-numeric:tabular-nums;}

/* ============ 流程步骤 ============ */
.flow-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;align-items:start;}
.steps{list-style:none;position:relative;}
.steps::before{
  content:"";position:absolute;left:17px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(16,214,166,.12));
}
.steps li{position:relative;padding-left:58px;padding-bottom:28px;}
.steps li:last-child{padding-bottom:0;}
.steps .dot{
  position:absolute;left:0;top:0;width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;z-index:1;
}
.steps h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.steps p{color:var(--muted);font-size:15px;margin:0;max-width:44em;}

.summary-card{
  background:var(--ink);color:#fff;border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh2);position:relative;overflow:hidden;
}
.summary-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:64px;background:var(--brand);
}
.summary-card h3{color:#fff;font-size:18px;margin-bottom:16px;}
.summary-list{list-style:none;}
.summary-list li{
  display:flex;justify-content:space-between;gap:14px;padding:11px 0;
  border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px;
}
.summary-list li:last-child{border-bottom:0;}
.summary-list .k{color:rgba(255,255,255,.6);}
.summary-list .v{font-weight:700;color:#fff;text-align:right;}
.summary-list .v.strong{color:var(--brand);font-variant-numeric:tabular-nums;}
.summary-card .btn{width:100%;margin-top:20px;}

/* ============ 材料清单 ============ */
.prep-grid{display:grid;grid-template-columns:minmax(0,480px) minmax(0,1fr);gap:36px;align-items:center;}
.prep-figure{
  position:relative;border-radius:var(--r-wall);overflow:hidden;background:rgba(16,214,166,.08);
  border:1px solid var(--line);box-shadow:var(--sh1);
}
.prep-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.prep-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;
  color:#fff;background:linear-gradient(180deg,rgba(12,17,23,0),rgba(12,17,23,.82));
}
.check-list{list-style:none;margin-top:8px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  border-bottom:1px solid var(--line);font-size:15.5px;
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand);font-size:15px;margin-top:5px;flex:0 0 auto;}
.check-list .desc{display:block;color:var(--muted);font-size:13.5px;margin-top:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
}
.faq .accordion-item:hover{border-color:rgba(16,214,166,.4);}
.faq .accordion-button{
  background:#fff;color:var(--text);font-size:16.5px;font-weight:600;line-height:1.5;
  padding:18px 20px;box-shadow:none;border:0;border-radius:0;
  display:flex;align-items:center;gap:14px;
}
.faq .accordion-button:not(.collapsed){
  background:#fff;color:var(--text);
  border-left:3px solid var(--accent);
  box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.faq .accordion-button::after{
  content:"";margin-left:auto;flex:0 0 auto;width:14px;height:14px;
  background-color:transparent;
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));
  background-size:14px 2px,2px 14px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  transform:none;transition:background-size .18s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:14px 2px,0 0;
}
.faq .accordion-body{
  padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.8;
  border-left:3px solid transparent;
}
.faq .accordion-collapse.show + .nothing,.faq .accordion-button:not(.collapsed){}
.faq .accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body{border-left-color:var(--accent);}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.22;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;padding:56px 0;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:8px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;margin:0;max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 返回入口 ============ */
.back-zone{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh1);
}
.back-zone .bz-title{font-size:16px;font-weight:700;}
.back-zone .bz-links{display:flex;flex-wrap:wrap;gap:10px;}
.back-zone .bz-links a{
  font-size:14px;padding:8px 14px;border:1px solid var(--line);border-radius:8px;color:var(--text);
}
.back-zone .bz-links a:hover{border-color:rgba(16,214,166,.5);color:var(--brand-deep);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:60px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;}
.footer-brand strong{display:block;color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.04em;}
.footer-brand small{display:block;color:rgba(255,255,255,.5);font-size:11px;letter-spacing:.1em;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;max-width:34em;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-list{list-style:none;}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  color:rgba(255,255,255,.68);font-size:14px;display:inline-block;
  transition:color .16s ease,transform .16s ease;
}
.footer-list a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact{list-style:none;}
.footer-contact li{
  display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72);
}
.footer-contact .k{color:rgba(255,255,255,.45);flex:0 0 62px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .flow-grid{grid-template-columns:minmax(0,1fr) 320px;gap:26px;}
  .prep-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;}
}
@media (max-width:991.98px){
  .section{padding:60px 0;}
  .section-sm{padding:48px 0;}
  .matrix{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .prep-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .site-nav .container{min-height:60px;gap:12px;}
  .site-nav{min-height:60px;}
  .page-band .container{padding-top:44px;padding-bottom:44px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .section-sm{padding:44px 0;}
  .countdown-inner{min-height:40px;font-size:13px;flex-wrap:wrap;gap:8px;padding:6px 0;}
  .cd-time em{font-size:15px;}
  .cd-link{margin-left:0;}
  .page-band h1{font-size:clamp(28px,7vw,36px);}
  .page-band .band-sub{font-size:15.5px;}
  .matrix-card{padding:20px;}
  .prep-figure img{aspect-ratio:16/10;}
  .steps li{padding-left:50px;}
  .steps .dot{width:32px;height:32px;font-size:13px;}
  .steps::before{left:15px;}
  .cta-inner{padding:44px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .back-zone{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-contact .k{flex:0 0 58px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .band-actions .btn{width:100%;}
  .summary-card{padding:22px;}
  .sec-head{margin-bottom:26px;}
}

/* roulang page: category4 */
:root{
  --bs-primary:#10D6A6;
  --bs-primary-rgb:16,214,166;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-border-radius:12px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:12px;
  --bs-link-color:#0a9d7c;
  --bs-link-hover-color:#141A22;
  --bs-btn-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;

  --brand:#10D6A6;
  --brand-deep:#0BBE92;
  --accent:#FF6B2C;
  --violet:#7C5CFF;
  --ink:#141A22;
  --ink-2:#1D2429;
  --muted:#5A6672;
  --bg:#F4F6F5;
  --card:#FFFFFF;
  --line:#E3E7E5;
  --r-card:12px;
  --r-wall:16px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,26,34,.06);
  --sh-2:0 8px 24px rgba(20,26,34,.08);
  --ease:160ms ease;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:#0a9d7c;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--ink)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.02em;font-weight:700}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 顶部倒计时条 ---------- */
.countdown-bar{
  height:48px;background:var(--ink);color:#E8EDEA;
  display:flex;align-items:center;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.countdown-inner{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.02em}
.cd-label{color:#9AA6AE}
.cd-time{display:inline-flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums}
.cd-time em{
  font-style:normal;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;font-size:16px;
}
.cd-sep{color:#5A6672;font-weight:700}
.cd-link{
  margin-left:auto;color:#E8EDEA;font-size:13px;
  border-bottom:2px solid transparent;padding-bottom:1px;
}
.cd-link:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:1030}
.site-nav{
  height:68px;background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.07);
  padding:0;
}
.site-nav .container{height:68px;display:flex;align-items:center;gap:20px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand-mark{
  width:36px;height:36px;border-radius:8px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#0B1210;font-weight:800;font-size:17px;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.04em}
.brand-text small{color:#93A0A9;font-size:11px;letter-spacing:.06em}

.nav-main{display:flex;align-items:center;gap:4px;margin:0}
.nav-main .nav-item{list-style:none}
.nav-main .nav-link{
  color:#D8DEE2;font-size:15px;padding:24px 12px;border:0;
  border-bottom:2px solid transparent;background:transparent;
  transition:color var(--ease),border-color var(--ease);
}
.nav-main .nav-link:hover{color:var(--brand);background:transparent}
.nav-main .nav-link.active{color:#fff;border-bottom-color:var(--brand);font-weight:600}
.nav-main .nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:-4px}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-cta{
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  border:0;border-radius:var(--r-btn);height:44px;padding:0 22px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(.96)}
.btn-cta:focus-visible{outline:2px solid #fff;outline-offset:2px}
.btn-sm-nav{height:38px;font-size:14px;padding:0 18px}

.nav-toggle{
  width:44px;height:38px;border:1px solid rgba(255,255,255,.22);
  background:transparent;border-radius:8px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* 移动端抽屉 */
.drawer{background:var(--ink);color:#E8EDEA;width:min(340px,88vw)}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 20px}
.drawer-title{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.drawer .offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:14px}
.drawer .btn-cta{width:100%}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.drawer-nav a{
  display:block;padding:11px 12px;border-radius:8px;color:#D8DEE2;font-size:15px;
  border-left:2px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--brand);text-decoration:none}
.drawer-nav a.active{color:#fff;border-left-color:var(--brand);background:rgba(16,214,166,.10)}

/* ---------- 页头带 ---------- */
.page-head{
  position:relative;
  background-image:linear-gradient(rgba(20,26,34,.78),rgba(20,26,34,.82)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#E8EDEA;padding:56px 0 52px;
  border-bottom:3px solid var(--brand);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9AA6AE;margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:#C9D2D7}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#5A6672}
.crumb .now{color:var(--brand)}
.page-head h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;
  max-width:20ch;margin-bottom:16px;
}
.page-head .lead{
  color:#C9D2D7;font-size:17px;line-height:1.8;max-width:62ch;margin-bottom:26px;
}
.head-actions{display:flex;gap:12px;flex-wrap:wrap}
.head-meta{
  display:flex;gap:26px;flex-wrap:wrap;margin-top:28px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
}
.head-meta div{font-size:13px;color:#9AA6AE}
.head-meta b{
  display:block;font-size:22px;color:var(--brand);font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-main{background:var(--brand);color:#0B1210;border:1.5px solid var(--brand)}
.btn-main:hover{color:#0B1210;transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(.96)}
.btn-accent{background:var(--accent);color:#fff;border:1.5px solid var(--accent)}
.btn-accent:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(.96)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(16,214,166,.12);border-color:var(--brand);color:#fff}
.btn-ghost-dark{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost-dark:hover{background:rgba(16,214,166,.10);border-color:var(--brand);color:var(--ink)}
.btn-main:focus-visible,.btn-accent:focus-visible,.btn-ghost:focus-visible,.btn-ghost-dark:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.link-more{color:#0a9d7c;font-weight:600;border-bottom:2px solid rgba(16,214,166,.4);padding-bottom:1px}
.link-more:hover{border-bottom-color:var(--brand);color:var(--ink)}

/* ---------- 分类切换条 ---------- */
.cat-switch{
  background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:1020;
}
.cat-switch .container{display:flex;gap:8px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.cat-switch .container::-webkit-scrollbar{display:none}
.cat-switch a{
  flex:0 0 auto;font-size:14px;font-weight:600;color:var(--muted);
  padding:8px 14px;border-radius:var(--r-badge);border:1px solid var(--line);
  white-space:nowrap;transition:all var(--ease);
}
.cat-switch a:hover{color:var(--ink);border-color:rgba(16,214,166,.5);background:rgba(16,214,166,.06)}
.cat-switch a.is-current{background:rgba(255,107,44,.10);border-color:rgba(255,107,44,.45);color:#C1440E}

/* ---------- 板块通用 ---------- */
.sec{padding:80px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:.08em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--brand);border-radius:2px}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:12px;font-weight:800}
.sec-head p{color:var(--muted);font-size:15.5px;margin:0}
.sec-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;flex-wrap:wrap}

/* ---------- 图墙 ---------- */
.rule-gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--r-wall);
  border:1px solid var(--line);background:rgba(16,214,166,.08);
  aspect-ratio:4/3;box-shadow:var(--sh-1);
}
.g-item:nth-child(1){grid-column:span 6;aspect-ratio:16/10}
.g-item:nth-child(2){grid-column:span 3}
.g-item:nth-child(3){grid-column:span 3}
.g-item:nth-child(4){grid-column:span 4}
.g-item:nth-child(5){grid-column:span 4}
.g-item:nth-child(6){grid-column:span 4}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease}
.g-item:hover img{transform:scale(1.02)}
.g-item:hover{border-color:rgba(16,214,166,.4);box-shadow:var(--sh-2)}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(to top,rgba(20,26,34,.88),rgba(20,26,34,0));
  color:#fff;font-size:14px;font-weight:600;letter-spacing:.01em;
  transform:translateY(6px);opacity:.9;transition:transform 200ms ease,opacity 200ms ease;
}
.g-item:hover .g-cap{transform:translateY(0);opacity:1}
.g-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(20,26,34,.72);color:var(--brand);
  font-size:12px;font-weight:700;padding:4px 9px;border-radius:var(--r-badge);
  font-variant-numeric:tabular-nums;
}

/* ---------- 折叠说明 ---------- */
.acc-wrap{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.acc-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);border-top:3px solid var(--brand);
}
.acc-aside h3{font-size:17px;font-weight:700;margin-bottom:10px}
.acc-aside p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.acc-aside ul li{
  font-size:14px;color:var(--ink-2);padding:8px 0;border-top:1px solid var(--line);
  display:flex;gap:8px;align-items:flex-start;
}
.acc-aside ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px;flex:0 0 6px}
.acc-aside ul li:first-child{border-top:0}

.rule-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--ease),box-shadow var(--ease);
}
.rule-acc .accordion-item:hover{border-color:rgba(16,214,166,.45);box-shadow:var(--sh-2)}
.rule-acc .accordion-header{margin:0}
.rule-acc .accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;
  background:#fff;color:var(--ink);font-size:17px;font-weight:600;
  padding:18px 20px;border:0;border-radius:0;box-shadow:none;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.rule-acc .accordion-button:not(.collapsed){
  background:#fff;color:var(--ink);
  box-shadow:inset 3px 0 0 var(--accent);
}
.rule-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--accent);outline:2px solid var(--brand);outline-offset:-2px}
.rule-acc .accordion-button::after{display:none}
.acc-no{
  font-size:13px;font-weight:800;color:var(--violet);
  font-variant-numeric:tabular-nums;flex:0 0 auto;letter-spacing:.04em;
}
.acc-q{flex:1 1 auto;text-align:left;line-height:1.5}
.acc-icon{position:relative;width:16px;height:16px;flex:0 0 16px;margin-left:8px}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform 200ms ease,background 200ms ease;
}
.acc-icon::before{left:0;top:7px;width:16px;height:2px}
.acc-icon::after{left:7px;top:0;width:2px;height:16px}
.rule-acc .accordion-button:not(.collapsed) .acc-icon::before{background:var(--accent)}
.rule-acc .accordion-button:not(.collapsed) .acc-icon::after{transform:scaleY(0)}
.rule-acc .accordion-body{
  padding:0 20px 20px 20px;font-size:15.5px;color:var(--muted);line-height:1.85;
  border-top:1px dashed var(--line);margin-top:0;padding-top:16px;
}
.rule-acc .accordion-body strong{color:var(--ink)}

/* ---------- 判定要点 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.point{padding:22px 0;border-top:1px solid var(--line)}
.point:nth-child(1),.point:nth-child(2){border-top:2px solid var(--ink)}
.p-num{
  display:inline-block;font-size:13px;font-weight:800;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;margin-bottom:6px;
}
.point h3{font-size:17px;font-weight:700;margin-bottom:8px}
.point p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink);color:#E8EDEA;border-radius:0;
  padding:56px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:8px;font-weight:800}
.cta-inner p{color:#9AA6AE;font-size:15px;margin:0;max-width:56ch}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-note{font-size:13px;color:#9AA6AE;width:100%}

/* ---------- 返回入口 ---------- */
.back-links{display:flex;flex-wrap:wrap;gap:12px}
.back-links a{
  font-size:14px;font-weight:600;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);padding:10px 16px;
  transition:all var(--ease);
}
.back-links a:hover{border-color:rgba(16,214,166,.5);color:var(--ink);background:rgba(16,214,166,.06);transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#93A0A9;padding:60px 0 24px;border-top:3px solid var(--brand)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:.04em}
.footer-brand small{display:block;color:#7C8A93;font-size:11px;letter-spacing:.06em}
.footer-about{font-size:14px;line-height:1.85;color:#93A0A9;margin:0;max-width:36ch}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#93A0A9;font-size:14px;display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;align-items:baseline}
.footer-contact .k{color:#6D7B84;flex:0 0 62px}
.footer-contact span:last-child{color:#C9D2D7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#6D7B84;
}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .rule-gallery{grid-template-columns:repeat(6,1fr)}
  .g-item:nth-child(1){grid-column:span 6}
  .g-item:nth-child(2),.g-item:nth-child(3){grid-column:span 3}
  .g-item:nth-child(4),.g-item:nth-child(5),.g-item:nth-child(6){grid-column:span 3}
}
@media(max-width:991px){
  .sec{padding:60px 0}
  .acc-wrap{grid-template-columns:1fr;gap:24px}
  .acc-aside{position:static}
  .points-grid{grid-template-columns:1fr;gap:0}
  .point:nth-child(2){border-top:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-head{padding:44px 0 40px}
}
@media(max-width:767px){
  .countdown-bar{height:auto;min-height:40px;padding:8px 0}
  .countdown-inner{font-size:13px;flex-wrap:wrap;gap:8px}
  .cd-time em{font-size:15px}
  .site-nav,.site-nav .container{height:60px}
  .sec{padding:48px 0}
  .rule-gallery{grid-template-columns:1fr;gap:14px}
  .g-item,.g-item:nth-child(n){grid-column:span 1;aspect-ratio:16/10}
  .g-item:nth-child(1){aspect-ratio:16/10}
  .cta-band{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .page-head h1{font-size:clamp(28px,7vw,34px)}
  .rule-acc .accordion-button{font-size:15.5px;padding:16px}
  .rule-acc .accordion-body{padding-left:16px;padding-right:16px}
}
@media(max-width:575px){
  .head-actions{flex-direction:column;align-items:stretch}
  .head-actions .btn-main,.head-actions .btn-ghost{width:100%}
  .back-links a{width:100%;text-align:center}
}

/* roulang page: category5 */
:root{
  --brand:#10D6A6;
  --brand-d:#0BB98F;
  --brand-ink:#0B1210;
  --accent:#FF6B2C;
  --violet:#7C5CFF;
  --ink:#141A22;
  --bg:#F4F6F5;
  --card:#FFFFFF;
  --line:#E3E7E5;
  --text:#1D2429;
  --muted:#5A6672;
  --rc:12px;
  --rb:10px;
  --rbg:6px;
  --sh1:0 1px 2px rgba(20,26,34,.06);
  --sh2:0 8px 24px rgba(20,26,34,.08);
  --bs-primary:#10D6A6;
  --bs-body-bg:#F4F6F5;
  --bs-body-color:#1D2429;
  --bs-border-radius:12px;
  --bs-border-color:#E3E7E5;
  --bs-link-color:#0BB98F;
  --bs-link-hover-color:#089B78;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{letter-spacing:.02em;margin:0;color:var(--ink)}
h1{font-weight:800;font-size:clamp(30px,4.2vw,46px);line-height:1.25}
h2{font-weight:800;font-size:clamp(24px,3vw,32px);line-height:1.3}
h3{font-weight:600;font-size:20px;line-height:1.4}
h4{font-weight:600;font-size:17px;line-height:1.45}
p{margin:0 0 1.1em}
a{color:var(--brand-d);text-decoration:none;transition:color .16s ease}
a:hover{color:#089B78}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* ============ 顶部倒计时条 ============ */
.site-header{position:relative;z-index:1040}
.countdown-bar{background:var(--ink);color:#fff;height:48px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.08)}
.countdown-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;width:100%;max-width:1200px}
.cd-label{font-size:14px;color:rgba(255,255,255,.72)}
.cd-time{display:inline-flex;align-items:center;gap:2px;color:var(--brand);font-size:17px;font-variant-numeric:tabular-nums;font-weight:800}
.cd-time em{font-style:normal}
.cd-sep{color:rgba(255,255,255,.35);font-weight:600}
.cd-link{margin-left:auto;color:#fff;font-size:14px;border-bottom:2px solid var(--brand);padding-bottom:1px}
.cd-link:hover{color:var(--brand)}

/* ============ 导航 ============ */
.site-nav{background:var(--ink);padding:0;position:sticky;top:0;z-index:1030;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.site-nav .container{display:flex;align-items:center;gap:20px;height:68px;padding:0 20px;max-width:1200px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:var(--brand-ink);font-weight:800;font-size:17px;border-radius:9px;clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:.04em}
.brand-text small{color:rgba(255,255,255,.58);font-size:11px;letter-spacing:.06em}
.nav-main{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none}
.nav-main .nav-item{list-style:none}
.nav-main .nav-link{display:block;color:rgba(255,255,255,.82);font-size:15px;padding:8px 10px;position:relative;border-radius:8px;transition:color .16s ease,background .16s ease}
.nav-main .nav-link:hover{color:var(--brand);background:rgba(255,255,255,.06)}
.nav-main .nav-link.active{color:#fff}
.nav-main .nav-link.active::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;background:var(--brand);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:12px}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;border:0;font-weight:700;height:44px;padding:0 22px;border-radius:var(--rb);transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}
.btn-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);filter:brightness(.96)}
.btn-sm-nav{height:40px;padding:0 18px;font-size:15px}
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:var(--brand-ink);border:0;font-weight:700;height:46px;padding:0 24px;border-radius:var(--rb);transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}
.btn-main:hover{color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--sh2);filter:brightness(.96)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:var(--ink);border:1.5px solid var(--ink);font-weight:600;height:46px;padding:0 22px;border-radius:var(--rb);transition:background .16s ease,color .16s ease,transform .16s ease}
.btn-ghost:hover{background:rgba(16,214,166,.1);color:var(--ink);transform:translateY(-1px)}
.btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);font-weight:600;height:46px;padding:0 22px;border-radius:var(--rb);transition:background .16s ease,border-color .16s ease}
.btn-ghost-light:hover{background:rgba(16,214,166,.14);border-color:var(--brand);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-d);font-weight:600;border-bottom:2px solid rgba(16,214,166,.5);padding-bottom:2px}
.link-arrow:hover{border-bottom-color:var(--brand-d);color:#089B78}
.nav-toggle{width:42px;height:38px;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:9px;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.nav-toggle:hover{border-color:var(--brand)}
.nav-drawer{background:var(--ink);color:#fff;width:320px}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1)}
.nav-drawer .offcanvas-title{color:#fff;font-size:17px;font-weight:700}
.drawer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.drawer-nav a{display:block;padding:11px 12px;color:rgba(255,255,255,.85);border-radius:9px;font-size:15px}
.drawer-nav a:hover{background:rgba(255,255,255,.07);color:var(--brand)}
.drawer-nav a.active{background:rgba(16,214,166,.14);color:var(--brand);font-weight:700}

/* ============ 页头带 ============ */
.page-hero{position:relative;background:#141A22 url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;padding:60px 0 54px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(20,26,34,.94) 0%,rgba(20,26,34,.82) 52%,rgba(20,26,34,.6) 100%)}
.page-hero .container{position:relative;z-index:1}
.crumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0 0 18px;font-size:13px;color:rgba(255,255,255,.62)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.34)}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--brand)}
.page-hero h1{color:#fff;max-width:900px}
.hero-sub{margin:16px 0 0;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 12px;border-radius:var(--rbg);background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.16)}
.hero-tag.is-accent{background:rgba(255,107,44,.18);border-color:rgba(255,107,44,.42);color:#FFCBAF}

/* ============ 分类切换条 ============ */
.cat-switch{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:5}
.cat-switch .container{display:flex;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px;overflow-x:auto;scrollbar-width:thin}
.cat-switch a{flex:0 0 auto;font-size:14px;font-weight:600;padding:9px 16px;border-radius:var(--rbg);border:1px solid var(--line);color:var(--muted);background:#fff;transition:all .16s ease;white-space:nowrap}
.cat-switch a:hover{border-color:rgba(16,214,166,.6);color:var(--brand-d)}
.cat-switch a.active{background:rgba(255,107,44,.12);border-color:rgba(255,107,44,.42);color:#C2410C}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-d);text-transform:uppercase;margin-bottom:12px}
.section-head .eyebrow::before{content:"";width:3px;height:16px;background:var(--brand);border-radius:2px}
.section-head p{margin:12px 0 0;color:var(--muted);font-size:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 数据横条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:44px}
.stat-item{padding:22px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item .v{font-size:28px;color:var(--brand-d);font-variant-numeric:tabular-nums;font-weight:800;line-height:1.2}
.stat-item .k{font-size:14px;color:var(--muted);margin-top:4px}

/* 速览横条 */
.quick-list{display:flex;flex-direction:column;gap:14px}
.quick-item{display:flex;align-items:flex-start;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--rc);padding:22px 24px;box-shadow:var(--sh1);transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}
.quick-item:hover{border-color:rgba(16,214,166,.4);box-shadow:var(--sh2);transform:translateY(-1px)}
.quick-no{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-d);flex:0 0 44px;padding-top:2px;letter-spacing:.06em}
.quick-no.violet{color:var(--violet)}
.quick-body h3{font-size:18px;margin-bottom:6px}
.quick-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.quick-body .link-arrow{font-size:14px;margin-top:10px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start}
.faq-aside{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--rc);padding:22px;box-shadow:var(--sh1)}
.faq-aside h3{font-size:16px;margin-bottom:14px}
.faq-aside ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.faq-aside a{display:block;font-size:14px;color:var(--muted);padding:9px 12px;border-radius:8px;border-left:3px solid transparent;transition:all .16s ease}
.faq-aside a:hover{background:rgba(16,214,166,.08);color:var(--brand-d);border-left-color:var(--brand)}
.faq-aside .aside-note{margin:16px 0 0;font-size:13px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);padding-top:14px}
.faq-group{margin-bottom:38px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px}
.faq-group-title::before{content:"";width:3px;height:18px;background:var(--brand);border-radius:2px}
.acc-list{background:#fff;border:1px solid var(--line);border-radius:var(--rc);overflow:hidden;box-shadow:var(--sh1)}
.acc-item+.acc-item{border-top:1px solid var(--line)}
.acc-btn{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;text-align:left;background:#fff;border:0;padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;transition:background .16s ease,box-shadow .16s ease}
.acc-btn:hover{background:#FAFCFB}
.acc-btn[aria-expanded="true"]{box-shadow:inset 3px 0 0 var(--accent);color:var(--ink)}
.acc-icon{position:relative;flex:0 0 20px;height:20px;margin-top:3px}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease}
.acc-icon::before{width:14px;height:2px}
.acc-icon::after{width:2px;height:14px}
.acc-btn[aria-expanded="true"] .acc-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.acc-body{padding:0 22px 20px 22px;color:var(--muted);font-size:15px;line-height:1.8}
.acc-body p{margin:0}

/* CTA 带 */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-band .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);max-width:640px}
.cta-band p{margin:12px 0 0;color:rgba(255,255,255,.72);font-size:15px;max-width:640px}
.cta-band .actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* 自助排查 + 表单 */
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.help-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:rgba(16,214,166,.08)}
.help-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.help-steps{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:16px}
.help-steps li{display:flex;gap:14px;align-items:flex-start}
.step-dot{flex:0 0 26px;height:26px;border-radius:8px;background:rgba(16,214,166,.14);border:1px solid rgba(16,214,166,.45);color:var(--brand-d);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.help-steps h4{font-size:16px;margin-bottom:3px}
.help-steps p{margin:0;font-size:14px;color:var(--muted);line-height:1.7}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--rc);padding:28px;box-shadow:var(--sh1)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-note{font-size:14px;color:var(--muted);margin:0 0 20px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:7px}
.field .ctrl{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-size:15px;transition:border-color .16s ease,box-shadow .16s ease}
.field textarea.ctrl{height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field .ctrl:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(16,214,166,.18)}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.form-tip{font-size:13px;color:var(--muted);margin:14px 0 0}
.form-tip a{text-decoration:underline;text-underline-offset:2px}

/* 分类标签组 */
.tag-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.tag-pill{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:var(--rbg);border:1px solid var(--line);background:#fff;font-size:15px;font-weight:600;color:var(--text);transition:all .16s ease}
.tag-pill:hover{border-color:rgba(16,214,166,.6);color:var(--brand-d);transform:translateY(-1px);box-shadow:var(--sh1)}
.tag-pill.is-current{background:rgba(255,107,44,.1);border-color:rgba(255,107,44,.42);color:#C2410C}
.back-row{margin-top:34px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:800}
.footer-brand small{display:block;color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.06em}
.footer-about{font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);margin:0;max-width:360px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;display:inline-block;transition:color .16s ease,transform .16s ease}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68)}
.footer-contact .k{flex:0 0 64px;color:rgba(255,255,255,.44)}
.footer-contact li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:8px;flex:0 0 6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .container{max-width:1200px}
}
@media (max-width:1199.98px){
  .section{padding:68px 0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .stat-item{padding:18px 16px}
  .stat-item .v{font-size:24px}
}
@media (max-width:991.98px){
  .section{padding:60px 0}
  .page-hero{padding:48px 0 42px}
  .help-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .quick-item{gap:16px;padding:20px}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .site-nav .container{height:60px;padding:0 16px}
  .countdown-bar{height:auto;min-height:40px;padding:8px 0}
  .countdown-inner{gap:10px;font-size:13px}
  .cd-label{font-size:13px}
  .cd-time{font-size:15px}
  .section{padding:52px 0}
  .page-hero{padding:40px 0 36px}
  .hero-sub{font-size:15px}
  .quick-item{padding:18px}
  .quick-no{flex:0 0 34px;font-size:14px}
  .acc-btn{padding:16px;font-size:16px}
  .acc-body{padding:0 16px 18px}
  .form-card{padding:22px 18px}
  .cta-band{padding:44px 0}
  .cta-band .inner{gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;gap:8px}
  .stat-item{padding:16px 14px}
  .stat-item .v{font-size:22px}
  .back-row{gap:12px}
}
@media (max-width:575.98px){
  h1{font-size:28px}
  .brand-text small{display:none}
  .hero-tags{gap:8px}
  .hero-tag{font-size:12px;padding:5px 10px}
  .btn-main,.btn-ghost,.btn-cta{width:100%}
  .btn-sm-nav{width:100%}
  .cta-band .actions{width:100%}
  .form-actions{gap:10px}
}