/* roulang page: index */
:root{
  --brand:#1C5FD4;
  --brand-dark:#14479F;
  --brand-light:#E8F0FE;
  --accent:#FF6B2C;
  --accent-light:#FFF1E8;
  --success:#17A673;
  --warn:#E0A100;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --title:#0E1A2B;
  --body:#44556B;
  --muted:#8093A8;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(16,32,64,.05),0 8px 24px -12px rgba(16,32,64,.14);
  --shadow-hover:0 2px 6px rgba(16,32,64,.08),0 18px 36px -16px rgba(16,32,64,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
.site-body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.site-body a{color:inherit;text-decoration:none}
.site-body img{max-width:100%;display:block}
.site-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(28,95,212,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:background-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;white-space:nowrap}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(28,95,212,.85)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid rgba(28,95,212,.35)}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand)}
.btn-white{background:#fff;color:var(--brand-dark)}
.btn-white:hover{background:#EDF4FF;transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;transition:color .16s}
.text-link span{transition:transform .18s ease-out}
.text-link:hover span{transform:translateX(3px)}
.text-link:hover{color:var(--brand-dark)}

/* ---------- topbar ---------- */
.topbar{height:36px;background:var(--brand-light);color:var(--brand-dark);font-size:13px}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-text{display:flex;align-items:center;gap:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.topbar-close{font-size:18px;line-height:1;padding:4px 10px;border-radius:8px;color:var(--brand-dark)}
.topbar-close:hover{background:rgba(28,95,212,.12)}
@media (max-width:767px){.topbar{display:none}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,32,64,.02)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--title);font-size:19px;letter-spacing:-.2px;flex:none}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;flex:none}
.main-nav{display:none;align-items:center;gap:2px;margin-left:12px}
@media (min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 13px;font-size:15px;font-weight:500;color:var(--body);transition:color .16s ease-out}
.nav-link:hover{color:var(--brand)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
@media (max-width:767px){.header-cta{display:none}}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:var(--radius-sm);padding:0 11px;border:1px solid var(--line);background:#fff}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--title)}
.burger:hover{border-color:var(--brand);background:var(--brand-light)}
@media (min-width:1024px){.burger{display:none}}

/* ---------- mega ---------- */
.mega-wrap{position:relative;display:none}
@media (min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--title);background:#fff;transition:.16s}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
.mega-trigger svg{transition:transform .18s}
.mega-wrap:hover .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 12px);right:0;width:780px;max-width:calc(100vw - 48px);background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:0 26px 60px -26px rgba(16,32,64,.38),0 2px 8px rgba(16,32,64,.06);opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s}
.mega-panel::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),rgba(28,95,212,0))}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mega-grid{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:26px}
.mega-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.4px;margin-bottom:12px}
.mega-list li+li{margin-top:2px}
.mega-list a{display:block;padding:7px 10px;margin-left:-10px;border-radius:8px;font-size:14px;font-weight:500;color:var(--body);transition:.16s}
.mega-list a:hover{color:var(--brand);background:var(--brand-light)}
.mega-mini{display:flex;gap:10px;padding:8px;margin-left:-8px;border-radius:10px;transition:.16s}
.mega-mini:hover{background:var(--brand-light)}
.mega-mini img{width:56px;height:40px;border-radius:8px;object-fit:cover;flex:none;background:var(--brand-light)}
.mega-mini h4{font-size:14px;font-weight:600;color:var(--title);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini span{font-size:12px;color:var(--muted)}
.mega-entry{display:block;background:var(--brand-light);border-radius:12px;padding:18px;height:100%;transition:.18s}
.mega-entry:hover{background:#DCE9FD;transform:translateY(-2px)}
.mega-entry strong{display:block;font-size:15px;color:var(--title);font-weight:700;margin-bottom:8px}
.mega-entry p{font-size:13px;color:var(--body);line-height:1.7;margin-bottom:12px}
.mega-entry em{font-style:normal;font-size:13px;font-weight:600;color:var(--brand)}

/* ---------- drawer ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(14,26,43,.45);opacity:0;visibility:hidden;transition:.2s;z-index:80}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:90;transform:translateX(102%);transition:transform .24s ease-out;display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:-20px 0 40px -24px rgba(16,32,64,.4)}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{font-size:22px;line-height:1;width:38px;height:38px;border-radius:10px;color:var(--title)}
.drawer-close:hover{background:var(--brand-light);color:var(--brand)}
.drawer-nav{margin-top:12px}
.drawer-link{display:block;padding:13px 12px;border-radius:10px;font-size:16px;font-weight:500;color:var(--body)}
.drawer-link:hover{background:var(--brand-light);color:var(--brand)}
.drawer-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-light)}
.drawer-cta{margin-top:20px;width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#F7F9FC 100%);padding:56px 0}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(28,95,212,.13) 1px,transparent 1px);background-size:24px 24px;opacity:.5;pointer-events:none}
.hero-grid{position:relative;display:grid;gap:40px;align-items:center}
@media (min-width:1024px){.hero{padding:88px 0}.hero-grid{grid-template-columns:1.04fr .96fr;gap:56px}}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-light);padding:5px 13px;border-radius:999px}
.hero-title{margin-top:18px;font-size:30px;line-height:1.32;font-weight:700;color:var(--title);letter-spacing:-.5px}
@media (min-width:768px){.hero-title{font-size:38px}}
@media (min-width:1200px){.hero-title{font-size:46px}}
.hero-sub{margin-top:16px;font-size:18px;line-height:1.7;color:var(--body);max-width:560px}
@media (min-width:768px){.hero-sub{font-size:20px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.hero-metrics strong{display:block;font-size:26px;font-weight:700;color:var(--brand);line-height:1.25;font-variant-numeric:tabular-nums}
@media (min-width:768px){.hero-metrics strong{font-size:30px}}
.hero-metrics span{font-size:13px;color:var(--muted);line-height:1.5;display:block;margin-top:2px}
.hero-media{position:relative;border-radius:20px;overflow:hidden;background:var(--brand-light);box-shadow:var(--shadow)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-badge{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.95);color:var(--brand-dark);font-size:13px;font-weight:600;padding:8px 15px;border-radius:999px;box-shadow:0 4px 12px rgba(16,32,64,.12)}

/* ---------- section ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:flex-end;justify-content:space-between;margin-bottom:32px}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-light);padding:4px 12px;border-radius:999px;margin-bottom:12px}
.section-title{font-size:24px;font-weight:700;color:var(--title);line-height:1.35}
@media (min-width:768px){.section-title{font-size:28px}}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;line-height:1.7}

/* ---------- plan table ---------- */
.scroll-hint{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}
@media (min-width:900px){.scroll-hint{display:none}}
.table-scroll{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
.plan-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0}
.plan-table th,.plan-table td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle}
.plan-table thead th{background:var(--brand-light);font-size:14px;font-weight:700;color:var(--title);position:relative}
.plan-table thead th:first-child{border-radius:var(--radius-card) 0 0 0}
.plan-table thead th:last-child{border-radius:0 var(--radius-card) 0 0}
.plan-table tbody tr:hover td{background:#FAFCFF}
.plan-table tbody tr:last-child td{border-bottom:0}
.plan-table td:first-child,.plan-table th:first-child{font-weight:600;color:var(--title);width:26%}
.col-rec{background:rgba(232,240,254,.5);border-left:1px solid rgba(28,95,212,.28);border-right:1px solid rgba(28,95,212,.28)}
.plan-table thead .col-rec{background:#DCE9FD}
.plan-table tbody tr:last-child .col-rec{border-bottom:1px solid rgba(28,95,212,.28)}
.col-flag{position:absolute;top:-1px;left:50%;transform:translate(-50%,-52%);background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;white-space:nowrap;box-shadow:0 6px 14px -6px rgba(255,107,44,.9)}
.plan-table thead .col-rec{padding-top:24px}
.tick{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:rgba(23,166,115,.12);color:var(--success);font-size:12px;font-weight:700;margin-right:8px;flex:none}
.na{color:var(--muted)}

/* ---------- level cards ---------- */
.level-grid{display:grid;gap:20px}
@media (min-width:768px){.level-grid{grid-template-columns:repeat(3,1fr)}}
.level-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(28,95,212,.3)}
.level-badge{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:15px;font-weight:700;background:var(--brand-light);color:var(--brand);font-variant-numeric:tabular-nums}
.level-card.is-accent .level-badge{background:var(--accent-light);color:var(--accent)}
.level-name{margin-top:18px;font-size:20px;font-weight:700;color:var(--title)}
.level-tagline{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7}
.level-points{margin:20px 0 24px;display:grid;gap:12px}
.level-points li{display:flex;gap:10px;font-size:15px;line-height:1.65;color:var(--body)}
.level-points svg{flex:none;margin-top:5px;color:var(--success)}
.level-card .text-link{margin-top:auto}

/* ---------- news ---------- */
.news-grid{display:grid;gap:20px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease-out,box-shadow .18s ease-out}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-light)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;gap:10px;padding:18px;flex:1}
.tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-light);padding:3px 11px;border-radius:999px}
.news-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--title);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s}
.news-card:hover .news-title{color:var(--brand)}
.news-excerpt{font-size:15px;line-height:1.65;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;font-size:13px;color:var(--muted)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:48px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);text-align:center}
.empty-state svg{color:var(--muted)}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- preview ---------- */
.preview-grid{display:grid;gap:20px}
@media (min-width:1024px){.preview-grid{grid-template-columns:1.3fr 1fr}}
.preview-hero{position:relative;display:block;border-radius:var(--radius-card);overflow:hidden;background:var(--brand-light);min-height:260px;box-shadow:var(--shadow)}
.preview-hero img{width:100%;height:100%;min-height:320px;object-fit:cover}
.preview-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,43,.06) 0%,rgba(14,26,43,.74) 100%);transition:opacity .2s ease-out}
.preview-hero:hover .preview-mask{opacity:.82}
.preview-lock{position:absolute;top:16px;right:16px;font-size:12px;font-weight:700;color:#fff;background:rgba(20,71,159,.9);padding:5px 12px;border-radius:999px}
.preview-info{position:absolute;left:0;right:0;bottom:0;padding:24px;color:#fff}
.preview-info h3{font-size:20px;font-weight:700;line-height:1.45}
.preview-info p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.85)}
.preview-side{display:grid;gap:16px}
.preview-mini{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:12px;box-shadow:var(--shadow);transition:transform .18s ease-out,box-shadow .18s ease-out}
.preview-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.preview-mini .thumb{position:relative;width:118px;flex:none;border-radius:var(--radius-img);overflow:hidden;background:var(--brand-light)}
.preview-mini .thumb img{width:100%;height:88px;object-fit:cover}
.preview-mini .thumb i{position:absolute;inset:0;background:rgba(14,26,43,.42);display:grid;place-items:center;font-style:normal;color:#fff;font-size:12px;font-weight:600;transition:background .2s}
.preview-mini:hover .thumb i{background:rgba(14,26,43,.24)}
.preview-mini h4{font-size:15px;font-weight:600;color:var(--title);line-height:1.5}
.preview-mini p{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- assurance ---------- */
.assurance{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assurance-grid{display:grid;gap:26px;padding:40px 0}
@media (min-width:640px){.assurance-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.assurance-grid{grid-template-columns:repeat(4,1fr)}}
.assurance-item{display:flex;gap:14px}
.assurance-icon{width:40px;height:40px;border-radius:12px;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;flex:none}
.assurance-item h3{font-size:16px;font-weight:700;color:var(--title);margin-bottom:4px}
.assurance-item p{font-size:14px;line-height:1.7;color:var(--body)}

/* ---------- faq ---------- */
.faq-grid{display:grid;gap:14px}
@media (min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);align-items:start}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:border-color .18s}
.faq-item:hover{border-color:rgba(28,95,212,.3)}
.faq-item summary{display:flex;align-items:center;gap:12px;padding:18px 0;cursor:pointer;font-size:16px;font-weight:600;color:var(--title);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{width:24px;height:24px;border-radius:50%;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:700;flex:none}
.faq-arrow{margin-left:auto;color:var(--muted);transition:transform .18s ease-out;flex:none}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-a{margin:0 0 18px 36px;padding-top:14px;border-top:1px solid var(--line);font-size:15px;line-height:1.85;color:var(--body)}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--brand-dark);border-radius:20px;padding:34px 24px;color:#fff;display:grid;gap:26px;box-shadow:0 24px 48px -28px rgba(20,71,159,.9)}
@media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:46px 48px}}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07);pointer-events:none}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4}
@media (min-width:768px){.cta-band h2{font-size:28px}}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.82);max-width:640px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:20px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9)}
.cta-points svg{color:#7FD8B4;flex:none}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6)}
.cta-action{position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:#0E1A2B;color:#A9B8CB;padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand);display:grid;place-items:center;color:#fff}
.footer-desc{margin-top:16px;line-height:1.85;color:#8FA2B8;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.07);color:#C4D2E2}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{color:#A9B8CB;transition:color .16s}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;line-height:1.7;color:#A9B8CB}
.footer-contact svg{flex:none;margin-top:4px;color:#5B7BA6}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#7E90A6}
.footer-bottom a{color:#A9B8CB}
.footer-bottom a:hover{color:#fff}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#C4D2E2;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.16);transition:.16s}
.to-top:hover{background:rgba(255,255,255,.1);color:#fff}

/* roulang page: article */
:root{
  --primary:#1C5FD4;
  --primary-dark:#14479F;
  --primary-light:#E8F0FE;
  --accent:#FF6B2C;
  --accent-light:#FFF1E8;
  --success:#17A673;
  --warn:#E0A100;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --text:#0E1A2B;
  --text-2:#44556B;
  --text-3:#8093A8;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,32,64,.05),0 8px 24px -12px rgba(16,32,64,.14);
  --shadow-hover:0 2px 6px rgba(16,32,64,.08),0 18px 36px -16px rgba(16,32,64,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(28,95,212,.3);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--primary-light);color:var(--primary-dark);font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.topbar-inner strong{font-weight:600;color:var(--primary-dark)}
.topbar-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-close{background:transparent;border:0;color:var(--primary-dark);opacity:.7;font-size:12px;padding:4px 6px;border-radius:6px;transition:.18s}
.topbar-close:hover{opacity:1;background:rgba(28,95,212,.1)}
@media (max-width:767px){.topbar{display:none}}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text);white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none}
.main-nav{display:none}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:10px 12px;border-radius:8px;transition:color .18s,background .18s;white-space:nowrap}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-cta{display:none}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:15px;font-weight:600;padding:11px 20px;transition:all .18s ease-out;cursor:pointer}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 10px 22px -10px rgba(20,71,159,.7)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-light{background:#fff;color:var(--primary-dark)}
.btn-light:hover{background:#EDF3FE}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.link-arrow svg{transition:transform .18s ease-out}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ Mega 面板 ============ */
.mega-wrap{position:relative;display:none}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--text-2);font-size:14px;font-weight:500;transition:.18s}
.mega-trigger:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:min(720px,86vw);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 26px 52px -24px rgba(16,32,64,.32);padding:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;z-index:60}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:16px 16px 0 0;background:linear-gradient(90deg,var(--primary),rgba(28,95,212,0))}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.25fr .9fr;gap:22px}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:12px}
.mega-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px}
.mega-list a{display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--text-2);transition:.16s}
.mega-list a:hover{color:var(--primary);background:var(--primary-light)}
.mega-mini{display:flex;gap:10px;padding:8px;border-radius:10px;transition:.16s}
.mega-mini:hover{background:var(--bg)}
.mega-mini img{width:62px;height:44px;object-fit:cover;border-radius:8px;flex:none}
.mega-mini h4{font-size:13.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini span{font-size:12px;color:var(--text-3)}
.mega-card{background:var(--primary-light);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:8px;height:100%}
.mega-card h4{font-size:15px;color:var(--primary-dark)}
.mega-card p{font-size:13px;color:var(--text-2);line-height:1.6}

/* ============ 移动端抽屉 ============ */
.hamburger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
.hamburger:hover{border-color:var(--primary);color:var(--primary)}
.drawer-mask{position:fixed;inset:0;background:rgba(14,26,43,.45);opacity:0;visibility:hidden;transition:.2s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;transform:translateX(102%);transition:transform .24s ease-out;box-shadow:-18px 0 44px rgba(16,32,64,.2);padding:20px;overflow-y:auto}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:16px;font-weight:700}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;display:inline-flex;align-items:center;justify-content:center}
.drawer-list{list-style:none;padding:12px 0 0;display:flex;flex-direction:column;gap:4px}
.drawer-list a{display:block;padding:12px;border-radius:10px;font-size:15px;color:var(--text-2);transition:.16s}
.drawer-list a:hover,.drawer-list a.is-active{background:var(--primary-light);color:var(--primary);font-weight:600}
.drawer-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}

@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
  .header-cta{display:inline-flex}
  .mega-wrap{display:block}
  .hamburger{display:none}
}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);padding:14px 0;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:.16s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CEE0}
.breadcrumb .current{color:var(--text);display:inline-block;max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}

/* ============ 文章头部 ============ */
.article-hero{background:#fff;border-bottom:1px solid var(--line);padding:34px 0 30px}
.article-hero h1{font-size:30px;line-height:1.34;letter-spacing:-.02em;max-width:880px}
@media (min-width:1024px){.article-hero h1{font-size:34px}}
.article-lead{margin-top:14px;font-size:16px;color:var(--text-2);max-width:820px;line-height:1.8}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-3)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C3CEE0}
.meta-chip{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary-dark);font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:999px}

/* ============ 布局 ============ */
.article-section{padding:40px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,820px) 320px;gap:48px;justify-content:center}
}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.article-panel{padding:28px 22px}
@media (min-width:768px){.article-panel{padding:40px 44px}}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.85;color:var(--text-2)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{position:relative;font-size:25px;line-height:1.35;color:var(--text);margin:1.9em 0 .8em;padding-left:15px}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:20px;color:var(--text);font-weight:600;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;color:var(--text);font-weight:600;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.15em}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--primary)}
.article-body strong{color:var(--text);font-weight:600}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body blockquote{margin:1.5em 0;padding:16px 20px;background:var(--primary-light);border-left:3px solid var(--primary);border-radius:0 12px 12px 0;color:var(--text-2);font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.5em auto}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:9px;line-height:1.6}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:1.4em 0}
.article-body th{background:var(--primary-light);color:var(--text);font-weight:600;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:15px;color:var(--primary-dark)}

/* ============ 文章空态 ============ */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 20px;gap:14px}
.empty-state svg{color:#B9C6DA}
.empty-state p{font-size:15px;color:var(--text-3)}

/* ============ 标签与推荐 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;font-size:12.5px;color:var(--primary-dark);background:var(--primary-light);padding:5px 12px;border-radius:999px;transition:.16s}
.tag:hover{background:#D9E6FB}
.tag-accent{background:var(--accent-light);color:#B5430E}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:22px}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}

.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease-out,box-shadow .18s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--primary-light)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--primary-dark);font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s}
.card:hover .card-body h3{color:var(--primary)}
.card-desc{font-size:14.5px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;font-size:13px;color:var(--text-3)}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.sidebar{position:sticky;top:88px;align-self:start}}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary)}
.side-item{display:flex;gap:12px;padding:10px;border-radius:12px;transition:.16s}
.side-item:hover{background:var(--bg)}
.side-item img{width:76px;height:52px;object-fit:cover;border-radius:10px;flex:none}
.side-item h4{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-item span{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.cat-links{display:flex;flex-direction:column;gap:2px}
.cat-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:.16s}
.cat-links a:hover{background:var(--primary-light);color:var(--primary)}
.cat-links a svg{opacity:.5}
.cat-links a:hover svg{opacity:1}

/* ============ 上一篇/下一篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-item{display:flex;flex-direction:column;gap:6px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.18s}
.post-nav-item:hover{transform:translateY(-3px);border-color:#CFE0FA;box-shadow:var(--shadow-hover)}
.post-nav-label{font-size:12.5px;color:var(--primary);font-weight:600}
.post-nav-title{font-size:15px;font-weight:600;line-height:1.5}
.post-nav-item.is-next{text-align:right}

/* ============ 返回入口 ============ */
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ============ CTA 带 ============ */
.cta-band{margin:8px 0 0;background:var(--primary-dark);color:#fff;border-radius:20px;padding:32px 24px;display:flex;flex-direction:column;gap:22px}
@media (min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 44px;gap:36px}}
.cta-band h2{font-size:24px;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:640px;line-height:1.75}
.cta-points{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.86)}
.cta-points span{display:inline-flex;align-items:center;gap:6px}
.cta-points i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.cta-actions{flex:none;display:flex;flex-direction:column;gap:10px}
@media (min-width:900px){.cta-actions{width:220px}}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.66)}

/* ============ 页脚 ============ */
.site-footer{margin-top:72px;background:#fff;border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12.5px;color:var(--text-2);background:var(--bg);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.footer-col h3{font-size:15px;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:.16s}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7}
.footer-contact svg{flex:none;margin-top:4px;color:var(--primary)}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* roulang page: category1 */
:root{
    --primary:#1C5FD4;
    --primary-dark:#14479F;
    --primary-light:#E8F0FE;
    --accent:#FF6B2C;
    --accent-light:#FFF1E8;
    --success:#17A673;
    --warn:#E0A100;
    --bg:#F7F9FC;
    --surface:#FFFFFF;
    --line:#E4EAF2;
    --ink:#0E1A2B;
    --text:#44556B;
    --muted:#8093A8;
    --r-card:16px;
    --r-sm:10px;
    --r-img:12px;
    --sh-1:0 1px 2px rgba(16,32,64,.05);
    --sh-2:0 1px 2px rgba(16,32,64,.05),0 8px 24px -12px rgba(16,32,64,.14);
    --sh-3:0 2px 6px rgba(16,32,64,.06),0 18px 40px -18px rgba(16,32,64,.24);
    --ease:180ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.78;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
  img{display:block;max-width:100%;height:auto;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  table{border-collapse:collapse;width:100%;}
  :focus-visible{outline:3px solid rgba(28,95,212,.35);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ---------- 顶部信息条 ---------- */
  .topbar{height:36px;background:var(--primary-light);border-bottom:1px solid var(--line);overflow:hidden;}
  .topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .topbar-msg{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--primary-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-msg .pulse{width:7px;height:7px;border-radius:999px;background:var(--accent);flex-shrink:0;}
  .topbar-close{width:22px;height:22px;border-radius:999px;display:grid;place-items:center;font-size:15px;line-height:1;color:var(--primary-dark);background:rgba(28,95,212,.1);transition:background var(--ease);}
  .topbar-close:hover{background:rgba(28,95,212,.2);}
  @media (max-width:767px){.topbar{display:none;}}

  /* ---------- 头部与导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);}
  .header-inner{display:flex;align-items:center;gap:20px;height:68px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;flex-shrink:0;}
  .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:0 8px 16px -10px rgba(28,95,212,.95);}
  .main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
  .nav-link{position:relative;padding:10px 12px 13px;font-size:15px;color:var(--text);border-radius:8px;}
  .nav-link:hover{color:var(--primary);background:var(--primary-light);}
  .nav-link.is-active{color:var(--primary);font-weight:600;}
  .nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;border-radius:999px;background:var(--primary);}
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);white-space:nowrap;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 22px -16px rgba(28,95,212,.95);}
  .btn-primary:hover{background:var(--primary-dark);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-outline{background:#fff;border-color:var(--primary);color:var(--primary);}
  .btn-outline:hover{background:var(--primary-light);}
  .btn-light{background:#fff;color:var(--primary-dark);border-color:rgba(255,255,255,.6);}
  .btn-light:hover{background:var(--primary-light);}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}
  .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;}
  .text-link svg{transition:transform var(--ease);}
  .text-link:hover svg{transform:translateX(3px);}

  /* ---------- 快速入口面板 ---------- */
  .mega-wrap{position:relative;}
  .mega-trigger{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:14px;color:var(--text);background:#fff;transition:border-color var(--ease),color var(--ease);}
  .mega-trigger:hover{border-color:var(--primary);color:var(--primary);}
  .mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:min(760px,84vw);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-3);padding:22px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease,visibility .2s;z-index:70;}
  .mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:var(--r-card) var(--r-card) 0 0;background:linear-gradient(90deg,rgba(28,95,212,.9),rgba(28,95,212,0));}
  .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
  .mega-grid{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:22px;}
  .mega-title{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px;letter-spacing:.4px;}
  .mega-list li+li{margin-top:2px;}
  .mega-list a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text);}
  .mega-list a:hover{color:var(--primary);background:var(--primary-light);}
  .mega-mini{display:flex;gap:10px;padding:8px;border-radius:10px;align-items:center;}
  .mega-mini:hover{background:var(--primary-light);}
  .mega-mini img{width:64px;height:42px;object-fit:cover;border-radius:8px;background:var(--primary-light);flex-shrink:0;}
  .mega-mini h4{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .mega-mini span{font-size:12px;color:var(--muted);}
  .mega-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:8px;}
  .mega-card h4{font-size:15px;font-weight:600;color:var(--ink);}
  .mega-card p{font-size:13px;color:var(--muted);line-height:1.7;}

  /* ---------- 移动端抽屉 ---------- */
  .mobile-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--ink);}
  .mobile-toggle:hover{border-color:var(--primary);color:var(--primary);}
  .drawer{position:fixed;inset:0;z-index:90;visibility:hidden;}
  .drawer-backdrop{position:absolute;inset:0;background:rgba(14,26,43,.45);opacity:0;transition:opacity .25s ease;}
  .drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(320px,86vw);background:#fff;padding:20px;transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;display:flex;flex-direction:column;gap:18px;}
  .drawer.is-open{visibility:visible;}
  .drawer.is-open .drawer-backdrop{opacity:1;}
  .drawer.is-open .drawer-panel{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-close{width:34px;height:34px;border-radius:999px;background:var(--bg);display:grid;place-items:center;font-size:18px;line-height:1;color:var(--text);}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;}
  .drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--text);border:1px solid transparent;}
  .drawer-nav a:hover{background:var(--primary-light);color:var(--primary);}
  .drawer-nav a.is-active{background:var(--primary-light);color:var(--primary);font-weight:600;border-color:rgba(28,95,212,.25);}
  @media (max-width:1023px){
    .main-nav,.mega-wrap,.header-cta{display:none;}
    .mobile-toggle{display:inline-flex;}
    .header-inner{height:62px;}
  }

  /* ---------- 通用区块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:72px 0;}}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
  .h2{font-size:24px;line-height:1.35;font-weight:600;color:var(--ink);}
  @media (min-width:1024px){.h2{font-size:26px;}}
  .h3{font-size:18px;line-height:1.4;font-weight:600;color:var(--ink);}
  .section-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:760px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:5px 14px;margin-bottom:16px;}

  /* ---------- 页面头部区 ---------- */
  .page-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);padding:26px 0 52px;overflow:hidden;}
  .page-hero::after{content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle at center,rgba(28,95,212,.09),rgba(28,95,212,0) 70%);pointer-events:none;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px;position:relative;z-index:1;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#C3CEDC;}
  .breadcrumb .current{color:var(--text);}
  .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
  .h1-page{font-size:30px;line-height:1.32;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
  @media (min-width:1024px){.h1-page{font-size:40px;}}
  .hero-lead{margin-top:16px;font-size:16px;color:var(--text);max-width:620px;}
  .hero-lead+.hero-lead{margin-top:12px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
  .stat-num{font-size:28px;font-weight:700;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums;}
  .stat-label{font-size:13px;color:var(--muted);margin-top:4px;}
  .hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:rgba(28,95,212,.08);box-shadow:var(--sh-2);}
  .hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .hero-figure figcaption{position:absolute;left:16px;bottom:14px;background:rgba(14,26,43,.72);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:999px;}
  @media (max-width:1023px){
    .hero-grid{grid-template-columns:1fr;gap:30px;}
    .hero-stats{gap:26px;}
  }

  /* ---------- 内容布局：左说明栏 + 右卡片 ---------- */
  .cat-layout{display:grid;grid-template-columns:296px 1fr;gap:32px;align-items:start;}
  @media (max-width:1023px){.cat-layout{grid-template-columns:1fr;gap:28px;}}
  .cat-aside{position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;}
  @media (max-width:1023px){.cat-aside{position:static;}}
  .aside-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--primary-light);}
  .aside-body{padding:20px;}
  .aside-body h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:6px;}
  .aside-body>p{font-size:13.5px;color:var(--muted);line-height:1.7;}
  .aside-list{margin-top:14px;}
  .aside-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px dashed var(--line);font-size:14.5px;color:var(--text);}
  .aside-list .dot{width:8px;height:8px;border-radius:999px;background:var(--primary);margin-top:9px;flex-shrink:0;}
  .aside-list .dot.orange{background:var(--accent);}
  .aside-note{margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--primary-light);font-size:13px;color:var(--primary-dark);line-height:1.7;}

  .cat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  @media (min-width:1280px){.cat-cards{grid-template-columns:repeat(3,1fr);}}
  @media (max-width:639px){.cat-cards{grid-template-columns:1fr;}}
  .info-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
  .info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D5E2F8;}
  .card-media{position:relative;overflow:hidden;background:var(--primary-light);}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
  .info-card:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:4px 11px;}
  .tag.accent{color:var(--accent);background:var(--accent-light);}
  .card-title{font-size:17px;line-height:1.45;font-weight:600;color:var(--ink);}
  .info-card:hover .card-title{color:var(--primary);}
  .card-desc{font-size:14px;color:var(--text);line-height:1.75;flex:1;}
  .card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);}

  /* ---------- 对照表 ---------- */
  .table-shell{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;}
  .table-scroll{overflow-x:auto;}
  .matrix{min-width:620px;font-size:15px;}
  .matrix thead th{background:var(--primary-light);color:var(--primary-dark);font-size:14px;font-weight:600;text-align:left;padding:14px 20px;white-space:nowrap;}
  .matrix tbody td{padding:16px 20px;border-top:1px solid var(--line);color:var(--text);vertical-align:middle;}
  .matrix tbody tr:hover{background:#FBFCFE;}
  .matrix td:first-child{font-weight:600;color:var(--ink);}
  .matrix .check{color:var(--success);font-weight:600;}
  .matrix .limit{color:var(--muted);}
  .table-hint{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:12px 20px;border-top:1px solid var(--line);background:#FBFCFE;}

  /* ---------- 关联分类文字卡 ---------- */
  .link-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  @media (max-width:1023px){.link-cards{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:639px){.link-cards{grid-template-columns:1fr;}}
  .link-card{display:flex;flex-direction:column;gap:8px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background-color var(--ease);}
  .link-card:hover{transform:translateY(-3px);border-color:var(--primary);background:var(--primary-light);box-shadow:var(--sh-2);}
  .link-card h3{font-size:16px;font-weight:600;color:var(--ink);}
  .link-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
  @media (max-width:1023px){.faq-grid{grid-template-columns:1fr;}}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
  .faq-item[open]{box-shadow:var(--sh-2);border-color:#D5E2F8;}
  .faq-q{display:flex;align-items:flex-start;gap:12px;padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;}
  .faq-q::-webkit-details-marker{display:none;}
  .faq-badge{width:24px;height:24px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;display:grid;place-items:center;flex-shrink:0;margin-top:1px;}
  .faq-arrow{margin-left:auto;color:var(--muted);transition:transform var(--ease);flex-shrink:0;margin-top:3px;}
  .faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--primary);}
  .faq-a{padding:2px 20px 20px 56px;font-size:15px;line-height:1.85;color:var(--text);background:#FBFCFE;}

  /* ---------- CTA 带 ---------- */
  .cta-band{position:relative;overflow:hidden;background:var(--primary-dark);border-radius:20px;padding:40px;display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;color:#fff;box-shadow:var(--sh-3);}
  .cta-band::after{content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;border-radius:50%;background:rgba(255,107,44,.16);pointer-events:none;}
  .cta-band h2{position:relative;z-index:1;font-size:23px;line-height:1.4;font-weight:600;color:#fff;}
  .cta-band p{position:relative;z-index:1;margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.82);max-width:620px;}
  .cta-assure{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.86);}
  .cta-assure span{display:inline-flex;align-items:center;gap:8px;}
  .cta-assure .dot{width:16px;height:16px;border-radius:999px;background:rgba(255,255,255,.2);display:inline-grid;place-items:center;font-size:11px;line-height:1;color:#fff;}
  .cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;}
  .cta-fine{position:relative;z-index:1;font-size:12.5px;color:rgba(255,255,255,.62);}
  @media (max-width:767px){
    .cta-band{grid-template-columns:1fr;padding:28px;}
    .cta-actions{flex-direction:row;flex-wrap:wrap;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:80px;background:#fff;border-top:1px solid var(--line);padding-top:60px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
  @media (max-width:1023px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}}
  @media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);margin-bottom:14px;}
  .footer-desc{font-size:14px;color:var(--text);line-height:1.8;max-width:360px;}
  .footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .footer-tags span{font-size:12.5px;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:4px 12px;}
  .footer-col h3{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px;}
  .footer-col li+li{margin-top:10px;}
  .footer-col a{font-size:14px;color:var(--text);}
  .footer-col a:hover{color:var(--primary);}
  .footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text);line-height:1.7;}
  .footer-contact svg{color:var(--primary);flex-shrink:0;margin-top:4px;}
  .footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:52px;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
  .footer-bottom-links{display:flex;gap:16px;}
  .footer-bottom-links a:hover{color:var(--primary);}
  .to-top{color:var(--primary);font-weight:600;}

/* roulang page: category2 */
:root{
  --primary:#1C5FD4;
  --primary-deep:#14479F;
  --primary-light:#E8F0FE;
  --accent:#FF6B2C;
  --accent-light:#FFF1E8;
  --success:#17A673;
  --warn:#E0A100;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --ink:#0E1A2B;
  --text:#44556B;
  --muted:#8093A8;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,32,64,.05),0 8px 24px -12px rgba(16,32,64,.14);
  --shadow-lg:0 2px 6px rgba(16,32,64,.07),0 18px 40px -18px rgba(16,32,64,.22);
  --ease:180ms cubic-bezier(.32,.72,.36,1);
  --gap:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(28,95,212,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
.section{padding:var(--gap) 0;}
.section-tight{padding:56px 0;}
@media (max-width:1024px){:root{--gap:72px;}}
@media (max-width:640px){:root{--gap:56px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,32,64,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;flex-shrink:0;}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:0 6px 14px -8px rgba(28,95,212,.9);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:12px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;border-radius:var(--radius-sm);font-size:15px;color:var(--text);transition:color var(--ease),background var(--ease);}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--primary);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -14px rgba(28,95,212,.95);}
.btn-primary:hover{background:var(--primary-deep);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:rgba(28,95,212,.42);}
.btn-ghost:hover{background:var(--primary-light);}
.btn-light{background:#fff;color:var(--primary-deep);}
.btn-light:hover{background:var(--primary-light);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;color:var(--text);border:1px solid var(--line);transition:color var(--ease),border-color var(--ease),background var(--ease);}
.mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{color:var(--primary);border-color:rgba(28,95,212,.4);background:var(--primary-light);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);width:760px;padding:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mega-panel::before{content:"";position:absolute;top:0;left:26px;right:26px;height:2px;background:linear-gradient(90deg,var(--primary),rgba(28,95,212,0));}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:24px;}
.mega-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:1px;margin-bottom:12px;}
.mega-list li+li{margin-top:4px;}
.mega-list a{display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--text);transition:color var(--ease),background var(--ease);}
.mega-list a:hover{color:var(--primary);background:var(--primary-light);}
.mega-mini{display:flex;gap:10px;padding:8px;border-radius:8px;transition:background var(--ease);}
.mega-mini:hover{background:var(--primary-light);}
.mega-mini img{width:64px;height:44px;border-radius:8px;object-fit:cover;flex-shrink:0;}
.mega-mini h4{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-mini span{font-size:12px;color:var(--muted);}
.mega-card{display:block;padding:16px;border-radius:12px;background:var(--primary-light);transition:transform var(--ease),box-shadow var(--ease);}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.mega-card strong{display:block;font-size:15px;color:var(--primary-deep);margin-bottom:6px;}
.mega-card p{font-size:13px;line-height:1.7;color:var(--text);}

.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:var(--surface);z-index:120;padding:20px;transform:translateX(102%);transition:transform 260ms cubic-bezier(.32,.72,.36,1);box-shadow:-16px 0 40px -24px rgba(16,32,64,.4);overflow-y:auto;}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head span{font-weight:700;color:var(--ink);}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;}
.drawer-nav a{display:block;padding:13px 12px;border-radius:var(--radius-sm);font-size:15px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);background:var(--primary-light);font-weight:600;}
.drawer-cta{margin-top:20px;width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(14,26,43,.42);z-index:110;opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);}
.drawer-mask.is-open{opacity:1;visibility:visible;}

@media (max-width:1099px){
  .main-nav{margin-left:0;}
  .nav-link{padding:10px 10px;font-size:14px;}
}
@media (max-width:1023px){
  .main-nav,.header-cta,.mega-wrap{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:66px;}
}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 0;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:#BFCBDB;}

/* ---------- hero ---------- */
.hero{padding:34px 0 8px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--accent-light);color:#B7430F;font-size:13px;font-weight:600;}
.hero h1{font-size:40px;line-height:1.28;font-weight:700;color:var(--ink);margin:18px 0 16px;letter-spacing:-.4px;}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-points span{font-size:13px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 14px;}
.hero-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--primary-light);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:13px;color:#fff;background:linear-gradient(180deg,rgba(14,26,43,0),rgba(14,26,43,.72));}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero h1{font-size:32px;}
}
@media (max-width:640px){
  .hero h1{font-size:28px;margin:14px 0 12px;}
  .hero-lead{font-size:16px;}
}

/* ---------- section head ---------- */
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:26px;line-height:1.4;font-weight:700;color:var(--ink);margin-bottom:12px;}
.sec-head p{font-size:16px;color:var(--text);}
.sec-kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--primary);margin-bottom:10px;}

/* ---------- zigzag ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line);}
.zig:last-child{border-bottom:none;padding-bottom:0;}
.zig:first-child{padding-top:0;}
.zig-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--primary-light);position:relative;}
.zig-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.zig-order .zig-media{order:2;}
.zig-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:5px 12px;margin-bottom:14px;}
.zig-body h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--ink);margin-bottom:12px;}
.zig-body p{font-size:16px;line-height:1.85;color:var(--text);}
.check-list{margin-top:18px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.75;}
.check-list li+li{margin-top:8px;}
.check-list .tick{flex-shrink:0;width:19px;height:19px;border-radius:50%;background:rgba(23,166,115,.12);color:var(--success);display:grid;place-items:center;margin-top:5px;}
@media (max-width:900px){
  .zig{grid-template-columns:1fr;gap:22px;padding:32px 0;}
  .zig-order .zig-media{order:0;}
}

/* ---------- compare table ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);}
.table-wrap{padding:8px 0 0;}
.table-scroll{overflow-x:auto;padding:0 8px 8px;}
.cmp-table{min-width:560px;font-size:14px;}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);}
.cmp-table thead th{background:var(--primary-light);color:var(--primary-deep);font-weight:700;font-size:14px;position:relative;}
.cmp-table thead th:first-child{border-top-left-radius:12px;}
.cmp-table thead th:last-child{border-top-right-radius:12px;}
.cmp-table tbody tr:hover{background:#FBFCFE;}
.cmp-table td:first-child{color:var(--ink);font-weight:600;}
.cmp-table .col-rec{background:rgba(255,107,44,.05);border-left:1px solid rgba(255,107,44,.28);border-right:1px solid rgba(255,107,44,.28);}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.rec-tag{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:11px;font-weight:600;border-radius:999px;padding:2px 10px;white-space:nowrap;}
.cell-yes{display:inline-flex;align-items:center;gap:7px;color:var(--success);font-weight:600;}
.cell-no{color:var(--muted);}
.swipe-tip{display:none;font-size:13px;color:var(--muted);padding:10px 18px 0;}
@media (max-width:768px){
  .swipe-tip{display:block;}
}

/* ---------- notice list ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px;margin-top:8px;}
.notice-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line);}
.notice-num{flex-shrink:0;width:34px;height:34px;border-radius:10px;background:var(--primary-light);color:var(--primary-deep);font-size:14px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;}
.notice-item h4{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.notice-item p{font-size:14.5px;line-height:1.8;color:var(--text);}
@media (max-width:768px){.notice-grid{grid-template-columns:1fr;gap:0;}}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rel-card{display:flex;flex-direction:column;gap:8px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(28,95,212,.35);}
.rel-card strong{font-size:16px;color:var(--ink);}
.rel-card span{font-size:13.5px;line-height:1.75;color:var(--muted);}
.rel-card em{font-style:normal;font-size:13px;font-weight:600;color:var(--primary);}
@media (max-width:1024px){.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.rel-grid{grid-template-columns:1fr;}}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--primary-deep);color:#fff;padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.06);}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.86);}
.cta-points span{display:inline-flex;align-items:center;gap:7px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:flex-start;flex-shrink:0;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.72);max-width:220px;line-height:1.7;}
@media (max-width:860px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
}

/* ---------- footer ---------- */
.site-footer{background:#0F1B2E;color:#B9C6D8;margin-top:var(--gap);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-desc{font-size:14px;line-height:1.85;color:#93A4BB;margin-top:16px;max-width:330px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.07);color:#B9C6D8;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:#93A4BB;transition:color var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:#93A4BB;}
.footer-contact svg{flex-shrink:0;margin-top:5px;color:#5C7FB8;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.09);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:#7E90A8;}
.footer-domain{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#9FB2CA;}
.back-top{display:inline-flex;align-items:center;gap:6px;color:#B9C6D8;}
.back-top:hover{color:#fff;}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px;}}
@media (max-width:640px){
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --primary:#1C5FD4;
  --primary-dark:#14479F;
  --primary-light:#E8F0FE;
  --accent:#FF6B2C;
  --accent-light:#FFF1E8;
  --success:#17A673;
  --warn:#E0A100;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --text:#0E1A2B;
  --text-2:#44556B;
  --text-3:#8093A8;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,32,64,.05),0 8px 24px -12px rgba(16,32,64,.14);
  --shadow-hover:0 2px 6px rgba(16,32,64,.06),0 18px 36px -16px rgba(16,32,64,.22);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,95,212,.3);border-radius:6px}

.container{max-width:var(--container);width:100%;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#EEF3FB;border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar p{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.topbar-close{border:0;background:transparent;color:var(--text-3);font-size:18px;line-height:1;padding:4px 6px;border-radius:6px}
.topbar-close:hover{color:var(--primary);background:#E2EAF8}
@media(max-width:767px){.topbar{display:none}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(16,32,64,.04)}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);white-space:nowrap}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px -8px rgba(28,95,212,.9)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{position:relative;display:inline-flex;align-items:center;height:70px;padding:0 11px;font-size:15px;color:var(--text-2);transition:color .18s ease-out}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:11px;right:11px;bottom:14px;height:3px;border-radius:3px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:15px;font-weight:600;transition:all .18s ease-out;white-space:nowrap}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 26px;font-size:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px -10px rgba(28,95,212,.9)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-secondary:hover{background:var(--primary-light)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#F2F6FE;transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.btn-text svg{transition:transform .18s ease-out}
.btn-text:hover svg{transform:translateX(2px)}

.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:600;transition:all .18s ease-out}
.mega-trigger:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:740px;max-width:calc(100vw - 48px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-hover);padding:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease-out;z-index:70}
.mega-panel::before{content:"";position:absolute;left:24px;right:24px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(28,95,212,0))}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:24px}
.mega-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.6px;margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:block;font-size:14px;color:var(--text-2);padding:8px 10px;border-radius:8px;transition:all .16s ease-out}
.mega-list a:hover{color:var(--primary);background:var(--primary-light)}
.mega-mini{display:flex;gap:10px;padding:8px;border-radius:10px;transition:background .16s ease-out}
.mega-mini:hover{background:var(--primary-light)}
.mega-mini img{width:64px;height:40px;object-fit:cover;border-radius:8px;flex:none;background:var(--primary-light)}
.mega-mini h4{font-size:13.5px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:4px}
.mega-mini span{font-size:12px;color:var(--text-3)}
.mega-card{background:var(--primary-light);border-radius:12px;padding:16px}
.mega-card h4{font-size:15px;margin-bottom:6px}
.mega-card p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:10px}

.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);align-items:center;justify-content:center}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary)}

.drawer-mask{position:fixed;inset:0;background:rgba(14,26,43,.45);opacity:0;visibility:hidden;transition:all .25s ease-out;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:90;padding:20px;overflow-y:auto;transform:translateX(100%);transition:transform .25s ease-out}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:18px;line-height:1}
.drawer-nav a{display:block;padding:13px 12px;border-radius:10px;font-size:15px;color:var(--text-2)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--primary-light);color:var(--primary);font-weight:600}
.drawer .btn{width:100%;margin-top:16px}

@media(max-width:1023px){
  .main-nav{display:none}
  .header-cta{display:none}
  .mega-wrap{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{justify-content:space-between}
}
@media(min-width:1024px){
  .drawer,.drawer-mask{display:none}
}

/* ---------- 面包屑 & 页面头部 ---------- */
.page-hero{position:relative;padding:48px 0 64px;background:var(--primary-light) url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.86) 55%,rgba(255,255,255,.72) 100%)}
.page-hero-inner{position:relative;z-index:2;max-width:840px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--primary);font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:#fff;border:1px solid #D5E3FB;border-radius:999px;padding:6px 14px;margin-bottom:16px}
.page-hero h1{font-size:38px;margin-bottom:18px}
.lede{font-size:17px;line-height:1.85;color:var(--text-2)}
.lede p+p{margin-top:12px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px}
.chip strong{color:var(--primary);font-weight:700}
@media(max-width:767px){
  .page-hero{padding:34px 0 48px}
  .page-hero h1{font-size:28px}
  .lede{font-size:16px}
}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:44px}
.section-head h2{font-size:28px;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-2)}
@media(max-width:1023px){.section{padding:72px 0}}
@media(max-width:767px){.section{padding:56px 0}.section-head{margin-bottom:32px}.section-head h2{font-size:24px}}

/* ---------- 总览图文 ---------- */
.overview{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.overview h2{font-size:28px;margin-bottom:16px}
.overview-list{margin-top:22px;display:grid;gap:14px}
.overview-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2)}
.overview-list .idx{flex:none;width:26px;height:26px;border-radius:8px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px}
.figure{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:var(--primary-light)}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--text-3);padding:12px 4px 0;background:transparent}
@media(max-width:1023px){.overview{grid-template-columns:1fr;gap:32px}}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;gap:0}
.tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:26px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:31px;top:64px;bottom:0;width:2px;background:linear-gradient(180deg,#CFDDF6,rgba(207,221,246,.25))}
.tl-num{position:relative;z-index:1;width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--primary-light);color:var(--primary);font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;box-shadow:var(--shadow)}
.tl-item.is-key .tl-num{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 12px 24px -14px rgba(28,95,212,1)}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 26px;box-shadow:var(--shadow);transition:all .18s ease-out}
.tl-body:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.tl-body h3{font-size:19px;margin-bottom:10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:3px 10px}
.tag-accent{color:#C6451A;background:var(--accent-light)}
.tl-body p{font-size:15px;color:var(--text-2)}
.tl-points{margin-top:14px;display:grid;gap:8px}
.tl-points li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);line-height:1.7}
.tl-points li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid var(--primary)}
@media(max-width:767px){
  .tl-item{grid-template-columns:46px minmax(0,1fr);gap:16px;padding-bottom:24px}
  .tl-item:not(:last-child)::before{left:22px;top:46px}
  .tl-num{width:46px;height:46px;font-size:16px}
  .tl-body{padding:18px 18px}
  .tl-body h3{font-size:17px}
}

/* ---------- 关键点双栏 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.duo-item{border-top:3px solid var(--primary);padding-top:22px}
.duo-item h3{font-size:20px;margin-bottom:12px}
.duo-item > p{font-size:15.5px;color:var(--text-2)}
.check-list{margin-top:18px;display:grid;gap:11px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.7}
.check-list li::before{content:"✓";position:absolute;left:0;top:-1px;color:var(--success);font-weight:700;font-size:15px}
.notice{margin-top:36px;border-left:3px solid var(--accent);background:var(--accent-light);border-radius:0 12px 12px 0;padding:18px 22px;font-size:15px;color:#7A3A1C;line-height:1.8}
@media(max-width:1023px){.duo{grid-template-columns:1fr;gap:32px}}

/* ---------- 关联分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rel-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:all .18s ease-out;box-shadow:var(--shadow)}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE0FA}
.rel-card h3{font-size:16px}
.rel-card p{font-size:14px;color:var(--text-3);line-height:1.7;flex:1}
.rel-card .go{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary)}
.rel-card:hover .go svg{transform:translateX(2px)}
.rel-card .go svg{transition:transform .18s ease-out}
@media(max-width:1023px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.rel-grid{grid-template-columns:1fr}}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--primary-dark);border-radius:20px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-band > div{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;max-width:620px}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px}
.cta-points span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:rgba(255,255,255,.9)}
.cta-points svg{color:#7FD3B2}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}
@media(max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-band h2{font-size:22px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text)}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;margin-top:14px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12px;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:4px 11px}
.footer-col h3{font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .16s ease-out}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:12px}
.footer-contact svg{flex:none;margin-top:4px;color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);font-weight:600}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* roulang page: category4 */
:root{
  --primary:#1C5FD4;
  --primary-dark:#14479F;
  --primary-light:#E8F0FE;
  --accent:#FF6B2C;
  --accent-light:#FFF1E8;
  --success:#17A673;
  --warn:#E0A100;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --ink:#0E1A2B;
  --text:#44556B;
  --muted:#8093A8;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,32,64,.05),0 8px 24px -12px rgba(16,32,64,.14);
  --shadow-md:0 2px 6px rgba(16,32,64,.06),0 18px 40px -16px rgba(16,32,64,.22);
  --container:1200px;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea{font-family:inherit;font-size:15px}
::selection{background:rgba(28,95,212,.16)}
:focus-visible{outline:3px solid rgba(28,95,212,.3);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary-light);border-bottom:1px solid #D7E5FA;display:none}
.topbar-inner{height:36px;display:flex;align-items:center;gap:16px}
.topbar-msg{font-size:13px;line-height:1.5;color:var(--primary-dark);display:flex;align-items:center;gap:8px}
.topbar-msg i{font-size:12px}
.topbar-close{margin-left:auto;border:0;background:transparent;color:var(--primary-dark);font-size:18px;line-height:1;cursor:pointer;padding:4px 6px;border-radius:8px;transition:background .18s ease}
.topbar-close:hover{background:rgba(28,95,212,.12)}
@media (min-width:768px){.topbar{display:block}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(16,32,64,.04)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px -6px rgba(28,95,212,.6)}
.main-nav{display:none;align-items:center;gap:4px;margin-left:8px}
@media (min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--text);border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -12px rgba(28,95,212,.75)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,107,44,.8)}
.btn-accent:hover{background:#E85C1F}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary);border-color:#C7DAF7}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary)}
.btn-btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-btn-light:hover{background:rgba(255,255,255,.14)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:600}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(2px)}

/* ---------- Mega 面板 ---------- */
.mega-wrap{position:relative;display:none}
@media (min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease}
.mega-trigger:hover{color:var(--primary);border-color:#C7DAF7;background:var(--primary-light)}
.mega-panel{position:absolute;right:0;top:calc(100% + 16px);width:720px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:24px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;z-index:90}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:2px 2px 0 0;background:linear-gradient(90deg,var(--primary),rgba(28,95,212,0))}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:24px}
.mega-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.6px;margin-bottom:12px}
.mega-list li+li{margin-top:4px}
.mega-list a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text);transition:color .16s ease,background .16s ease}
.mega-list a:hover{color:var(--primary);background:var(--primary-light)}
.mega-mini{display:flex;gap:10px;align-items:center;padding:8px;border-radius:10px;transition:background .16s ease}
.mega-mini:hover{background:var(--bg)}
.mega-mini img{width:56px;height:38px;object-fit:cover;border-radius:8px;flex-shrink:0}
.mega-mini h4{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini span{font-size:12px;color:var(--muted)}
.mega-entry{display:block;background:var(--primary-light);border:1px solid #D7E5FA;border-radius:14px;padding:16px;height:100%;transition:box-shadow .18s ease,transform .18s ease}
.mega-entry:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.mega-entry strong{display:block;font-size:15px;color:var(--primary-dark);margin-bottom:6px}
.mega-entry p{font-size:13px;line-height:1.7;color:var(--text);margin-bottom:12px}

/* ---------- 移动端导航 ---------- */
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px}
@media (min-width:1024px){.nav-toggle{display:none}}
.drawer-mask{position:fixed;inset:0;background:rgba(14,26,43,.42);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:95}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:100;transform:translateX(100%);transition:transform .24s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:-12px 0 40px -20px rgba(16,32,64,.4)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{border:1px solid var(--line);background:#fff;width:36px;height:36px;border-radius:10px;font-size:18px;color:var(--text);cursor:pointer;line-height:1}
.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;font-size:15.5px;color:var(--text);border:1px solid transparent}
.drawer-nav a:hover{background:var(--bg)}
.drawer-nav a.is-active{color:var(--primary);background:var(--primary-light);font-weight:600;border-color:#D7E5FA}
.drawer-cta{margin-top:20px}

/* ---------- 宽幅 Hero ---------- */
.hero-page{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-page-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-color:#E8F0FE}
.hero-page-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.86) 46%,rgba(255,255,255,.62) 100%)}
.hero-page-inner{position:relative;padding:56px 0 60px}
@media (min-width:768px){.hero-page-inner{padding:72px 0 76px}}
@media (min-width:1024px){.hero-page-inner{padding:84px 0 88px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CEDA}
.breadcrumb .current{color:var(--primary);font-weight:600}
.hero-page-title{font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:.3px}
@media (min-width:768px){.hero-page-title{font-size:40px;line-height:1.25}}
.hero-page-sub{margin-top:16px;font-size:17px;line-height:1.8;color:var(--text);max-width:620px}
@media (min-width:768px){.hero-page-sub{font-size:19px}}
.hero-page-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:grid;grid-template-columns:1fr;gap:18px;margin-top:38px;max-width:760px}
@media (min-width:640px){.hero-metrics{grid-template-columns:repeat(3,1fr)}}
.metric{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.metric-value{font-size:26px;font-weight:700;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums}
.metric-label{margin-top:6px;font-size:13px;color:var(--text);line-height:1.5}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:48px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-title{font-size:26px;line-height:1.35;font-weight:700;color:var(--ink)}
@media (min-width:768px){.section-title{font-size:30px}}
.section-sub{margin-top:10px;font-size:15.5px;line-height:1.8;color:var(--text);max-width:680px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:5px 12px;margin-bottom:14px}

/* ---------- 支持板块三列卡片 ---------- */
.support-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.support-grid{grid-template-columns:repeat(3,1fr)}}
.support-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.support-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D7E5FA}
.support-icon{width:46px;height:46px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px}
.support-card h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.45}
.support-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text)}
.support-points{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.support-points li{display:flex;gap:9px;font-size:14px;line-height:1.7;color:var(--text)}
.support-points i{color:var(--success);font-size:13px;margin-top:5px}
.support-card .link-arrow{margin-top:auto;padding-top:20px}

/* ---------- 渠道信息条 ---------- */
.channel-strip{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.channel-row{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:768px){.channel-row{grid-template-columns:repeat(4,1fr)}}
.channel-cell{padding:22px 22px;border-top:1px solid var(--line)}
.channel-cell:first-child{border-top:0}
@media (min-width:768px){
  .channel-cell{border-top:0;border-left:1px solid var(--line)}
  .channel-cell:first-child{border-left:0}
}
.channel-cell h3{font-size:15px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.channel-cell h3 i{color:var(--primary);font-size:14px}
.channel-cell p{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:1024px){.faq-grid{grid-template-columns:1fr 1fr;gap:18px 20px}}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:#D7E5FA;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-badge{flex-shrink:0;width:26px;height:26px;border-radius:9px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:1px}
.faq-arrow{margin-left:auto;flex-shrink:0;color:var(--muted);font-size:13px;transition:transform .2s ease;margin-top:4px}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--primary)}
.faq-answer{padding:0 22px 22px 62px;font-size:15px;line-height:1.85;color:var(--text);background:linear-gradient(180deg,rgba(232,240,254,.45),rgba(232,240,254,0));margin-top:-2px}
.faq-answer strong{color:var(--ink);font-weight:600}

/* ---------- 关联分类文字卡 ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{display:flex;align-items:flex-start;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D7E5FA}
.related-num{width:38px;height:38px;flex-shrink:0;border-radius:12px;background:var(--accent-light);color:var(--accent);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.related-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.related-card p{margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--muted)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--primary-dark);border-radius:0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-inner{position:relative;padding:48px 0;display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.5fr 1fr;padding:56px 0}}
.cta-inner h2{font-size:24px;line-height:1.4;font-weight:700;color:#fff}
@media (min-width:768px){.cta-inner h2{font-size:28px}}
.cta-inner .cta-sub{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:620px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:20px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92)}
.cta-points i{color:#8FD6B6;font-size:13px}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.7)}
.cta-action{display:flex;flex-wrap:wrap;gap:14px}
@media (min-width:1024px){.cta-action{justify-content:flex-end}}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:var(--text);max-width:320px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12.5px;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:4px 11px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text);transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{display:flex;gap:9px;font-size:13.5px;line-height:1.7;color:var(--text)}
.footer-contact i{color:var(--primary);font-size:13px;margin-top:5px;flex-shrink:0}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:13px;color:var(--muted)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);font-weight:600}