/* roulang page: index */
:root{
  --c-primary:#2451A8;
  --c-primary-deep:#1A3B7D;
  --c-primary-soft:#E8EEFB;
  --c-accent:#0FB5A0;
  --c-highlight:#FF7A2F;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-sunken:#EDF1F8;
  --c-border:#E9EEF6;
  --c-divider:#EEF2F8;
  --c-text:#101828;
  --c-text-2:#475467;
  --c-text-3:#8A94A6;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,32,64,.04);
  --shadow-md:0 1px 2px rgba(16,32,64,.04),0 8px 24px rgba(16,32,64,.05);
  --shadow-lg:0 14px 34px rgba(16,32,64,.10);
  --container:1240px;
  --font-cn:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--c-surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-title{font-size:26px;line-height:1.3;font-weight:700;letter-spacing:.01em;position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:18px;border-radius:2px;background:var(--c-accent)}
.section-desc{margin-top:8px;font-size:14px;color:var(--c-text-3)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);padding-bottom:3px;border-bottom:1px dashed rgba(36,81,168,.5);transition:all .2s ease}
.link-more:hover{border-bottom-style:solid}
.link-more:hover span{transform:translateX(3px)}
.link-more span{display:inline-block;transition:transform .2s ease}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--c-border);transition:background .25s ease,box-shadow .25s ease}
.site-header.is-stuck{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(18,40,80,.08)}
.hdr-top-inner{display:flex;align-items:center;gap:20px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.02em;box-shadow:0 6px 14px rgba(36,81,168,.24)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;color:var(--c-text)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--c-text-3)}
.hdr-search{flex:1 1 auto;max-width:320px;transition:max-width .28s ease}
.hdr-search form{position:relative;display:flex;align-items:center}
.hdr-search svg{position:absolute;left:13px;width:16px;height:16px;color:var(--c-text-3);pointer-events:none}
.hdr-search input{width:100%;height:38px;border-radius:999px;border:1px solid #DDE5F0;background:#F7F9FC;padding:0 16px 0 38px;font-size:14px;font-family:var(--font-cn);color:var(--c-text);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.hdr-search input::placeholder{color:#9AA6B8}
.hdr-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(36,81,168,.14)}
.hdr-search:focus-within{max-width:380px}
.hdr-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.hdr-link{font-size:14px;color:var(--c-text-2);padding:6px 4px;transition:color .2s ease}
.hdr-link:hover{color:var(--c-primary)}
.hdr-nav{border-top:1px solid var(--c-divider);background:#fff}
.site-header.nav-folded .hdr-nav{display:none}
.hdr-nav-inner{display:flex;align-items:center;gap:26px;height:44px;overflow-x:auto;scrollbar-width:none}
.hdr-nav-inner::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:14px;color:var(--c-text-2);white-space:nowrap;transition:color .2s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:20px;height:3px;border-radius:3px 3px 0 0;background:var(--c-primary)}
.hot-words{margin-left:auto;display:flex;align-items:center;gap:8px;flex:0 0 auto}
.hot-word{font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;background:var(--c-sunken);color:var(--c-text-2);transition:all .2s ease;white-space:nowrap}
.hot-word:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,24,40,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:100}
.drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:#fff;border-radius:20px 0 0 20px;box-shadow:-12px 0 40px rgba(16,32,64,.18);transform:translateX(102%);transition:transform .3s ease;z-index:101;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .drawer{transform:translateX(0)}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--c-text-3);margin:20px 0 10px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:13px 2px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-divider)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--c-primary)}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(36,81,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.32)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-lg{height:48px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--c-primary-deep)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,34,72,.94) 0%,rgba(18,34,72,.88) 34%,rgba(18,34,72,.52) 68%,rgba(18,34,72,.16) 100%)}
.hero-grid{position:absolute;left:0;bottom:0;width:420px;height:280px;opacity:.08;background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);background-size:36px 36px;pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:88px 0 72px;max-width:760px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:#DCE6FA;background:rgba(36,81,168,.55);border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:999px}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.hero h1{margin-top:20px;font-size:clamp(28px,4vw,46px);line-height:1.22;font-weight:700;color:#fff}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.82);max-width:560px}
.hero-cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{margin-top:44px;display:flex;flex-wrap:wrap;gap:12px 40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stat{display:flex;flex-direction:column;gap:4px}
.hero-stat b{font-family:var(--font-num);font-size:22px;font-weight:700;color:#fff;letter-spacing:.02em;line-height:1.2}
.hero-stat span{font-size:12px;color:rgba(255,255,255,.66)}

/* ---------- 横滑轨道 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:#C9D6EC transparent}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#C9D6EC;border-radius:999px}
.rail::-webkit-scrollbar-track{background:transparent}
.rail-card{flex:0 0 244px;width:244px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-md);transition:transform .3s ease,box-shadow .3s ease}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rail-cover{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:var(--radius-card) var(--radius-card) 0 0;background:var(--c-sunken)}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rail-card:hover .rail-cover img{transform:scale(1.05)}
.rail-body{padding:14px 14px 16px}
.rail-body h3{font-size:15px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px}
.rail-card:hover .rail-body h3{color:var(--c-primary)}
.rail-tag{display:inline-block;margin-top:10px;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary)}
.rail-btn{position:absolute;top:38%;width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--c-border);box-shadow:var(--shadow-md);display:grid;place-items:center;font-size:18px;color:var(--c-text-2);z-index:5;transition:all .2s ease}
.rail-btn:hover{color:var(--c-primary);border-color:var(--c-primary)}
.rail-btn.prev{left:-20px}
.rail-btn.next{right:-20px}

/* ---------- 热播推荐 ---------- */
.spot-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:stretch}
.spot-main{position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:340px;box-shadow:var(--shadow-md);background:var(--c-sunken)}
.spot-main img{width:100%;height:100%;min-height:340px;object-fit:cover;transition:transform .4s ease-out}
.spot-main:hover img{transform:scale(1.04)}
.spot-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,28,60,.05) 40%,rgba(16,28,60,.82) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:26px;color:#fff}
.badge-hit{display:inline-flex;align-items:center;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--c-highlight);color:#fff;font-weight:600;width:max-content}
.spot-overlay h3{margin-top:12px;font-size:22px;line-height:1.4;font-weight:700}
.spot-overlay p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.8);max-width:520px}
.spot-meta{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.75)}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{display:flex;align-items:center;gap:14px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow-md);transition:transform .3s ease,box-shadow .3s ease}
.rank-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rank-num{font-family:var(--font-num);font-size:22px;font-weight:700;color:transparent;-webkit-text-stroke:1.2px var(--c-primary);flex:0 0 auto;line-height:1}
.rank-thumb{width:64px;height:64px;border-radius:10px;overflow:hidden;flex:0 0 auto;background:var(--c-sunken)}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-body h4{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rank-item:hover .rank-body h4{color:var(--c-primary)}
.rank-body p{margin-top:4px;font-size:13px;color:var(--c-text-3);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 片单分区 ---------- */
.chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;font-size:14px;padding:8px 18px;border-radius:999px;border:1px solid var(--c-border);background:#fff;color:var(--c-text-2);transition:all .2s ease}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.grid-cards{margin-top:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-md);transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-cover{aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius-card) var(--radius-card) 0 0;background:var(--c-sunken)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-cover img{transform:scale(1.05)}
.card-body{padding:18px}
.card-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body p{margin-top:8px;font-size:13px;color:var(--c-text-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.card-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary)}
.card-time{font-size:12px;color:var(--c-text-3)}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.news-feature{display:block;padding:26px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-md);transition:transform .3s ease,box-shadow .3s ease}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-feature h3{margin-top:14px;font-size:22px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature:hover h3{color:var(--c-primary)}
.news-feature p{margin-top:12px;font-size:15px;color:var(--c-text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:18px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--c-text-3)}
.news-list{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-md);overflow:hidden}
.news-list li+li{border-top:1px solid var(--c-divider)}
.news-list a{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 22px;transition:background .2s ease}
.news-list a:hover{background:#F7F9FD}
.news-list a:hover .news-list-title{color:var(--c-primary)}
.news-list-title{font-size:15px;line-height:1.5;flex:1 1 auto;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-list-meta{flex:0 0 auto;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--c-text-3)}
.news-list-meta em{font-style:normal;padding:2px 9px;border-radius:999px;background:var(--c-sunken);color:var(--c-text-2)}
.cms-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:64px 24px;background:var(--c-surface);border:1px dashed var(--c-border);border-radius:var(--radius-card);text-align:center}
.cms-empty i{width:44px;height:44px;border-radius:50%;background:var(--c-sunken);display:grid;place-items:center;color:var(--c-text-3);font-style:normal;font-size:20px}
.cms-empty p{font-size:15px;color:var(--c-text-3)}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-primary-deep);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;line-height:1.35;font-weight:700}
.cta-inner p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-note{margin-top:22px;font-size:12px;color:rgba(255,255,255,.6);border-top:1px solid rgba(255,255,255,.16);padding-top:16px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item+.faq-item{margin-top:12px}
.faq-item.open{border-color:#D6E1F5;box-shadow:var(--shadow-md)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--c-text);transition:color .2s ease}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;font-size:18px;line-height:1;color:var(--c-text-3);transition:transform .24s ease,color .24s ease}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:#16295A;color:#fff;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);box-shadow:none}
.footer-brand-text strong{display:block;font-size:17px;font-weight:700;color:#fff}
.footer-brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-social{margin-top:20px;display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:13px;color:rgba(255,255,255,.82);transition:all .2s ease}
.footer-social a:hover{background:var(--c-accent);color:#fff}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:16px;color:#fff}
.footer-col li+li{margin-top:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:#9FC0FF;transform:translateX(3px)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .spot-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .rail-card{flex:0 0 200px;width:200px}
  .rail-btn{display:none}
}
@media (max-width:768px){
  .hdr-search{display:none}
  .hdr-nav{display:none}
  .burger{display:inline-flex}
  .hero{min-height:460px}
  .hero-inner{padding:64px 0 56px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:14px 26px}
  .news-list a{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .grid-cards{grid-template-columns:1fr}
  .rail-card{flex:0 0 168px;width:168px}
  .news-feature{padding:20px}
  .news-feature h3{font-size:19px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a-inner{padding:0 16px 18px}
  .spot-overlay h3{font-size:19px}
}

/* roulang page: article */
:root{
  --c-primary:#2451A8;
  --c-primary-deep:#1A3B7D;
  --c-primary-soft:#E8EEFB;
  --c-accent:#0FB5A0;
  --c-highlight:#FF7A2F;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-sunken:#EDF1F8;
  --c-border:#E9EEF6;
  --c-divider:#EEF2F8;
  --c-text:#101828;
  --c-text-2:#475467;
  --c-text-3:#8A94A6;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,32,64,.04),0 8px 24px rgba(16,32,64,.05);
  --shadow-md:0 14px 34px rgba(16,32,64,.10);
  --shadow-lg:0 20px 48px rgba(16,32,64,.14);
  --font-sans:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.8;color:var(--c-text);background:var(--c-bg);letter-spacing:.01em}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-border);transition:background .25s ease,box-shadow .25s ease}
.site-header.is-stuck{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(18,40,80,.08)}
.hdr-top-inner{display:flex;align-items:center;gap:14px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--c-primary);color:#fff;font-family:var(--font-mono);font-weight:700;font-size:14px;letter-spacing:.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;color:var(--c-text)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--c-text-3)}
.hdr-search{display:none}
.hdr-actions{display:none}
.burger{margin-left:auto;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);background:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s}
.burger:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.burger span{position:relative;display:block;width:16px;height:2px;border-radius:2px;background:var(--c-text);transition:.25s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--c-text);transition:.25s}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
@media(min-width:1024px){
  .hdr-search{display:block;margin-left:auto;width:220px;transition:width .3s ease}
  .hdr-search:focus-within{width:320px}
  .hdr-search form{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--c-border);border-radius:999px;background:var(--c-sunken);transition:.25s}
  .hdr-search form:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(36,81,168,.14)}
  .hdr-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0}
  .hdr-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13px;color:var(--c-text)}
  .hdr-search input::placeholder{color:var(--c-text-3)}
  .hdr-actions{display:flex;align-items:center;gap:10px}
  .burger{display:none}
}
.hdr-link{font-size:13px;color:var(--c-text-2);transition:color .2s}
.hdr-link:hover{color:var(--c-primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:46px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;white-space:nowrap;text-align:center}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:8px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(36,81,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--c-primary-deep)}
.btn-light:hover{background:var(--c-primary-soft);transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.16)}
.btn-ghost{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.32);transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px dashed var(--c-primary);padding-bottom:2px;transition:.2s}
.btn-text:hover{border-bottom-style:solid}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn-text .arrow{transition:transform .2s ease}
.hdr-nav{border-top:1px solid var(--c-border);display:none}
@media(min-width:1024px){.hdr-nav{display:block}}
.hdr-nav-inner{display:flex;align-items:center;gap:2px;height:44px;overflow-x:auto;scrollbar-width:none}
.hdr-nav-inner::-webkit-scrollbar{display:none}
.nav-link{position:relative;padding:0 14px;height:44px;display:inline-flex;align-items:center;font-size:14px;color:var(--c-text-2);white-space:nowrap;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:50%;bottom:6px;width:0;height:3px;border-radius:2px;background:var(--c-primary);transform:translateX(-50%);transition:width .22s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{width:20px}
.hot-words{display:flex;gap:8px;margin-left:auto;padding-left:16px;flex-shrink:0}
.hot-word{font-size:12px;color:var(--c-text-3);background:var(--c-sunken);border-radius:999px;padding:4px 12px;transition:.2s;white-space:nowrap}
.hot-word:hover{background:var(--c-primary-soft);color:var(--c-primary)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,64,.42);opacity:0;visibility:hidden;transition:.3s ease;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;border-radius:20px 0 0 20px;box-shadow:-10px 0 40px rgba(16,32,64,.16);transform:translateX(105%);transition:transform .3s ease;z-index:90;padding:22px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}
.drawer.is-open{transform:translateX(0)}
@media(min-width:1024px){.drawer,.drawer-mask{display:none}}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--c-border);background:#fff;font-size:20px;line-height:1;color:var(--c-text-2);cursor:pointer;transition:.2s}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--c-border);border-radius:10px;background:var(--c-sunken)}
.drawer-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(36,81,168,.14)}
.drawer-search svg{width:16px;height:16px;color:var(--c-text-3)}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:14px 0;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-divider);transition:.2s}
.drawer-nav a:hover{color:var(--c-primary);padding-left:4px}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.drawer-actions{display:flex;gap:12px;margin-top:auto;padding-top:8px}
.drawer-actions .btn{flex:1}

/* ---------- 面包屑与文章头 ---------- */
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:22px 0 0;font-size:13px;color:var(--c-text-3)}
.crumb a{color:var(--c-text-3);transition:color .2s}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C4CCDA}
.crumb .current{color:var(--c-text-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-layout{display:grid;gap:28px;padding:20px 0 72px}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,780px) 260px;justify-content:center;gap:48px}
}
.article-panel{background:var(--c-surface);border:1px solid var(--c-border);border-radius:20px;box-shadow:var(--shadow-sm);padding:24px 20px 32px}
@media(min-width:768px){.article-panel{padding:36px 40px 46px}}
.article-head{border-bottom:1px solid var(--c-divider);padding-bottom:20px}
.article-head h1{font-size:clamp(24px,3.2vw,36px);line-height:1.32;font-weight:700;color:var(--c-text);margin-bottom:16px;letter-spacing:.01em}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--c-text-3)}
.article-meta .meta-cat{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px}
.dot{width:3px;height:3px;border-radius:50%;background:#C4CCDA}
.article-cover{margin-top:24px;border-radius:var(--radius-img);overflow:hidden;background:var(--c-sunken);aspect-ratio:16/9}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文排版 ---------- */
.article-body{padding-top:28px;font-size:16px;line-height:1.85;color:var(--c-text-2)}
.article-body p{margin:0 0 1.4em}
.article-body h2{position:relative;font-size:23px;line-height:1.35;font-weight:700;color:var(--c-text);margin:2em 0 .8em;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:18px;border-radius:2px;background:var(--c-accent)}
.article-body h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--c-primary);margin:1.6em 0 .6em}
.article-body blockquote{margin:1.5em 0;padding:16px 20px;background:#F5F7FB;border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:0 0 1.4em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.article-body ol{margin:0 0 1.4em;counter-reset:li}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.5em;counter-increment:li}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;line-height:18px;text-align:center;font-weight:600}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto}
.article-body figure{margin:1.8em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;border:1px solid var(--c-border);border-radius:12px;margin:1.6em 0}
.article-body thead th{background:var(--c-sunken);font-weight:600;color:var(--c-text);text-align:left;white-space:nowrap}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--c-divider)}
.article-body tbody tr:nth-child(even) td{background:#F8FAFD}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{background:#F5F7FB;border:1px solid var(--c-border);padding:16px;border-radius:12px;overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.7;margin:1.6em 0}
.article-body code{font-family:var(--font-mono);font-size:.92em;background:var(--c-sunken);padding:2px 6px;border-radius:6px;color:var(--c-primary-deep)}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(36,81,168,.35);transition:.2s}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body hr{border:0;border-top:1px solid var(--c-divider);margin:2.2em 0}

/* ---------- 内容缺失态 ---------- */
.empty-state{text-align:center;padding:56px 16px}
.empty-ico{width:64px;height:64px;border-radius:50%;background:var(--c-sunken);margin:0 auto 18px;display:flex;align-items:center;justify-content:center;color:var(--c-text-3)}
.empty-ico svg{width:28px;height:28px}
.empty-state h2{font-size:18px;font-weight:600;color:var(--c-text);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--c-text-3);margin-bottom:24px}

/* ---------- 侧栏 ---------- */
.article-aside{min-width:0}
.aside-sticky{position:sticky;top:120px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:18px 20px}
.side-card h3{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-text);margin-bottom:12px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--c-accent)}
.side-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;font-size:14px;color:var(--c-text-2);border-bottom:1px solid var(--c-divider);transition:color .2s ease,transform .2s ease}
.side-link:last-child{border-bottom:0;padding-bottom:0}
.side-link:hover{color:var(--c-primary);transform:translateX(3px)}
.side-link .side-arrow{color:#C4CCDA;transition:color .2s}
.side-link:hover .side-arrow{color:var(--c-primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;padding:5px 12px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);transition:.2s}
.tag:hover{background:var(--c-primary);color:#fff}

/* ---------- 区块标题 ---------- */
.sec-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:48px 0 0}
.sec-title h2{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--c-text)}
.sec-title h2::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--c-accent)}
.sec-title .more{font-size:13px;color:var(--c-text-3);transition:color .2s}
.sec-title .more:hover{color:var(--c-primary)}

/* ---------- 上一篇 / 下一篇 ---------- */
.pager{display:grid;gap:16px;margin-top:20px}
@media(min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager a{display:block;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:18px 20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D7E2F6}
.pager .lbl{font-size:12px;letter-spacing:.04em;color:var(--c-text-3)}
.pager .ttl{margin-top:6px;font-size:15px;font-weight:600;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager a:hover .ttl{color:var(--c-primary)}

/* ---------- 相关阅读 ---------- */
.rel-grid{display:grid;gap:14px;margin-top:20px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:14px;transition:transform .25s ease,box-shadow .25s ease}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rel-card .thumb{width:96px;height:96px;flex:0 0 96px;border-radius:var(--radius-img);overflow:hidden;background:var(--c-sunken)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rel-card:hover .thumb img{transform:scale(1.05)}
.rel-card .rel-ttl{font-size:15px;font-weight:600;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.rel-card:hover .rel-ttl{color:var(--c-primary)}
.rel-card .rel-sub{font-size:12.5px;color:var(--c-text-3);line-height:1.6}

/* ---------- FAQ ---------- */
.faq-list{margin-top:20px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-divider)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer;transition:color .2s}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.faq-icon::before{top:7px;left:0;width:16px;height:2px}
.faq-icon::after{top:0;left:7px;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 行动条 ---------- */
.cta-band{margin-top:48px;background:var(--c-primary-deep);border-radius:20px;padding:30px 22px;color:#fff;display:grid;gap:20px}
@media(min-width:768px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:38px 44px}}
.cta-band h2{font-size:clamp(19px,2.3vw,25px);line-height:1.35;font-weight:700;color:#fff;margin-bottom:8px}
.cta-band p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn{flex:1;min-width:132px}
.cta-note{grid-column:1/-1;font-size:12px;color:rgba(255,255,255,.55);border-top:1px solid rgba(255,255,255,.14);padding-top:14px}
.back-row{margin-top:32px;display:flex;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:#16295A;color:#fff;margin-top:24px;padding:64px 0 0}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand-text strong{font-size:17px;font-weight:700;color:#fff}
.footer-brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);font-size:13px;color:#fff;transition:.25s}
.footer-social a:hover{background:var(--c-accent);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-col a{color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:#9FC0FF;transform:translateX(3px)}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55)}

@media(max-width:520px){
  .brand-text strong{font-size:16px}
  .crumb .current{max-width:180px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a p{padding:0 16px 18px}
  .cta-band{padding:26px 18px}
}

/* roulang page: category1 */
:root{
  --c-primary:#2451A8;
  --c-primary-deep:#1A3B7D;
  --c-primary-soft:#E8EEFB;
  --c-accent:#0FB5A0;
  --c-highlight:#FF7A2F;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-sunken:#EDF1F8;
  --c-border:#E9EEF6;
  --c-divider:#EEF2F8;
  --c-text:#101828;
  --c-text-2:#475467;
  --c-text-3:#8A94A6;
  --c-footer:#16295A;
  --shadow-sm:0 1px 2px rgba(16,32,64,.04);
  --shadow-md:0 1px 2px rgba(16,32,64,.04),0 8px 24px rgba(16,32,64,.05);
  --shadow-lg:0 14px 34px rgba(16,32,64,.10);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  color:var(--c-text);background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:960px}
@media (max-width:640px){.container{padding:0 16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(36,81,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.2);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.32)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;
  border-bottom:1px dashed var(--c-primary);padding-bottom:2px;transition:border-color .2s ease,transform .2s ease;
}
.text-link:hover{border-bottom-style:solid;transform:translateX(2px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:500;letter-spacing:.02em}
.tag-hot{background:var(--c-highlight);color:#fff}
.tag-accent{background:rgba(15,181,160,.12);color:#0A8577}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(15,181,160,.16);margin-right:6px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-border);transition:background-color .25s ease,box-shadow .25s ease}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(18,40,80,.08)}
.hdr-top-inner{display:flex;align-items:center;gap:20px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;letter-spacing:.02em;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--c-text)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--c-text-3);margin-top:2px}
.hdr-search{flex:0 1 auto}
.hdr-search form{position:relative;display:flex;align-items:center}
.hdr-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--c-text-3);pointer-events:none}
.hdr-search input{
  width:220px;height:38px;padding:0 14px 0 36px;border-radius:999px;
  border:1px solid var(--c-border);background:var(--c-sunken);color:var(--c-text);
  font-size:14px;outline:none;transition:width .25s ease,border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.hdr-search input::placeholder{color:#9AA6B8}
.hdr-search input:focus{width:320px;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14)}
.hdr-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.hdr-link{font-size:13px;color:var(--c-text-2);transition:color .2s ease}
.hdr-link:hover{color:var(--c-primary)}
.burger{display:none;margin-left:auto;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);background:#fff;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--c-text);content:"";transition:.2s}
.burger span{top:19px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.hdr-nav{border-top:1px solid var(--c-border);max-height:52px;overflow:hidden;transition:max-height .25s ease,opacity .22s ease}
.site-header.nav-fold .hdr-nav{max-height:0;opacity:0;border-color:transparent}
.hdr-nav-inner{display:flex;align-items:center;gap:28px;height:44px}
.nav-link{position:relative;font-size:15px;color:var(--c-text-2);padding:11px 0;transition:color .2s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:0;bottom:4px;width:20px;height:3px;border-radius:3px;background:var(--c-primary)}
.hot-words{margin-left:auto;display:flex;align-items:center;gap:8px}
.hot-word{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-sunken);color:var(--c-text-2);font-size:12px;transition:background-color .2s ease,color .2s ease}
.hot-word:hover{background:var(--c-primary-soft);color:var(--c-primary)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,24,40,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:#fff;z-index:80;
  border-radius:20px 0 0 20px;padding:22px 20px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s ease;
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-border);font-size:18px;color:var(--c-text-2)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:10px;background:var(--c-sunken);margin-bottom:16px}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px}
.drawer-list a{display:block;padding:14px 2px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-divider)}
.drawer-list a.active{color:var(--c-primary);font-weight:600}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.drawer-actions{display:flex;flex-direction:column;gap:10px}
body.no-scroll{overflow:hidden}

/* ---------- 页面头 ---------- */
.page-head{background:var(--c-surface);border-bottom:1px solid var(--c-border);padding:28px 0 40px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--c-text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .cur{color:var(--c-text);font-weight:500;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:16px;
}
.page-head h1{font-size:clamp(26px,3.2vw,38px);line-height:1.28;font-weight:700;letter-spacing:.01em}
.page-head-desc{margin-top:16px;font-size:16px;line-height:1.85;color:var(--c-text-2);max-width:640px}
.page-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.stat{
  display:flex;flex-direction:column;gap:2px;min-width:130px;
  padding:12px 16px;border:1px solid var(--c-border);border-radius:12px;background:var(--c-bg);
}
.stat strong{font-size:20px;font-weight:700;color:var(--c-primary);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{font-size:12px;color:var(--c-text-3);letter-spacing:.04em}
.page-head-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md)}
.page-head-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card)}
.page-head-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(26,59,125,.55),rgba(26,59,125,.05));pointer-events:none}

/* ---------- 筛选条 ---------- */
.filter-bar{background:var(--c-surface);border-bottom:1px solid var(--c-border);position:relative;z-index:20}
.filter-bar-inner{display:flex;align-items:center;gap:16px;min-height:64px;padding:10px 0}
.chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 0}
.chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-text-2);font-size:14px;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.sort-select{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);flex-shrink:0}
.sort-select select{
  height:36px;padding:0 12px;border-radius:8px;border:1px solid var(--c-border);background:#fff;
  font-size:14px;color:var(--c-text);outline:none;cursor:pointer;
}
.sort-select select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14)}

/* ---------- 板块 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-title{position:relative;font-size:26px;font-weight:700;padding-left:14px;letter-spacing:.01em}
.section-title::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-accent)}
.section-sub{margin-top:8px;font-size:14px;color:var(--c-text-3);padding-left:14px}
@media (max-width:768px){
  .section{padding:48px 0}
  .section-title{font-size:22px}
}

/* ---------- 列表页布局 ---------- */
.layout-split{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start}
.side-filter{
  position:sticky;top:116px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-sm);
}
.side-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.side-head h2{font-size:15px;font-weight:700}
.side-reset{font-size:12px;color:var(--c-text-3);transition:color .2s ease}
.side-reset:hover{color:var(--c-primary)}
.f-group{padding-top:18px;margin-top:18px;border-top:1px solid var(--c-divider)}
.f-group:first-of-type{border-top:0;margin-top:12px;padding-top:0}
.f-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;color:var(--c-text);letter-spacing:.02em;margin-bottom:10px}
.f-title span{font-size:12px;color:var(--c-text-3);font-weight:400}
.f-check{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px;color:var(--c-text-2);cursor:pointer;transition:color .2s ease}
.f-check:hover{color:var(--c-primary)}
.f-check input{appearance:none;-webkit-appearance:none;width:16px;height:16px;border:1.5px solid #DDE5F0;border-radius:5px;background:#fff;flex-shrink:0;position:relative;transition:.18s}
.f-check input:checked{background:var(--c-primary);border-color:var(--c-primary)}
.f-check input:checked::after{content:"";position:absolute;left:4.5px;top:1.5px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.f-check .count{margin-left:auto;font-size:12px;color:var(--c-text-3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--c-bg);border:1px solid var(--c-border);font-size:12px;color:var(--c-text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tag-cloud a:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary-soft)}

.result-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.result-head h2{font-size:19px;font-weight:700}
.result-head .count{font-size:13px;color:var(--c-text-3)}
.result-head .count b{color:var(--c-primary);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

/* ---------- 卡片网格 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md);
  transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .3s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#DCE5F3}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-sunken);border-radius:var(--r-img) var(--r-img) 0 0}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.05)}
.card-badge{position:absolute;top:10px;left:10px;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(255,255,255,.92);color:var(--c-primary)}
.card-badge.hot{background:var(--c-highlight);color:#fff}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s ease}
.card:hover .card-title{color:var(--c-primary)}
.card-desc{margin-top:8px;font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--c-text-3)}
.card-foot .time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-border);border-radius:10px;background:#fff;font-size:14px;color:var(--c-text-2);
  transition:all .2s ease;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.pager .disabled{opacity:.4;pointer-events:none}

/* ---------- 步骤卡 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--c-text-2)}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-surface);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item+.faq-item{border-top:1px solid var(--c-divider)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--c-text);
  transition:color .2s ease,background-color .2s ease;
}
.faq-q:hover{color:var(--c-primary);background:#FAFBFE}
.faq-q .plus{flex-shrink:0;width:22px;height:22px;position:relative;transition:transform .24s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;border-radius:2px;background:var(--c-text-3);transform:translate(-50%,-50%);transition:background-color .2s ease}
.faq-q .plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-item.open .faq-q .plus::before,.faq-item.open .faq-q .plus::after{background:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* ---------- CTA 条带 ---------- */
.cta-band{background:var(--c-primary-deep);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:#fff;max-width:640px;line-height:1.4}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-note{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.02em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:#fff;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand-text strong{font-size:18px;font-weight:800;color:#fff}
.footer-brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.62);margin-top:2px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;font-size:13px;transition:background-color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--c-accent);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:#9FC0FF;transform:translateX(3px)}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hdr-search,.hdr-actions{display:none}
  .hdr-nav{display:none}
  .burger{display:block}
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .page-head-media{max-width:520px}
  .layout-split{grid-template-columns:1fr;gap:24px}
  .side-filter{position:static}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .page-head{padding:20px 0 32px}
  .filter-bar-inner{flex-wrap:wrap}
  .sort-select{margin-left:0;width:100%;justify-content:space-between}
  .grid-cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .stat{flex:1 1 40%}
}

/* roulang page: category2 */
:root{
    --c-primary:#2451A8;
    --c-primary-deep:#1A3B7D;
    --c-primary-soft:#E8EEFB;
    --c-accent:#0FB5A0;
    --c-highlight:#FF7A2F;
    --c-bg:#F5F7FB;
    --c-surface:#FFFFFF;
    --c-sunken:#EDF1F8;
    --c-border:#E9EEF6;
    --c-divider:#EEF2F8;
    --c-text:#101828;
    --c-text-2:#475467;
    --c-text-3:#8A94A6;
    --r-card:16px;
    --r-img:12px;
    --r-btn:10px;
    --sh-sm:0 1px 2px rgba(16,32,64,.04);
    --sh-md:0 1px 2px rgba(16,32,64,.04), 0 8px 24px rgba(16,32,64,.05);
    --sh-lg:0 14px 34px rgba(16,32,64,.10);
    --sec-y:80px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    letter-spacing:.01em;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer}
  input,select{font:inherit}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

  .container{max-width:1240px;margin:0 auto;padding:0 24px}
  .section{padding:var(--sec-y) 0}
  .section-alt{background:#fff;border-top:1px solid var(--c-divider);border-bottom:1px solid var(--c-divider)}

  .skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--c-primary);padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
  .skip-link:focus{left:0}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#fff;
    border-bottom:1px solid var(--c-border);
    transition:background .25s ease,box-shadow .25s ease;
  }
  .site-header.is-stuck{
    background:rgba(255,255,255,.94);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    box-shadow:0 6px 20px rgba(18,40,80,.08);
  }
  .hdr-top-inner{display:flex;align-items:center;gap:20px;height:56px}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
    display:grid;place-items:center;font-weight:700;font-size:14px;letter-spacing:.04em;
    flex:0 0 36px;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text strong{font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:.01em}
  .brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--c-text-3)}

  .hdr-search{flex:0 1 220px;min-width:120px;transition:flex-basis .25s ease}
  .hdr-search form{position:relative;display:flex;align-items:center}
  .hdr-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--c-text-3);pointer-events:none}
  .hdr-search input{
    width:100%;height:40px;border-radius:999px;border:1px solid var(--c-border);
    background:var(--c-sunken);padding:0 14px 0 36px;font-size:14px;color:var(--c-text);
    transition:background .2s,border-color .2s,box-shadow .2s;
  }
  .hdr-search input::placeholder{color:var(--c-text-3)}
  .hdr-search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14)}
  .hdr-search:focus-within{flex-basis:320px}

  .hdr-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
  .hdr-link{font-size:13px;color:var(--c-text-2);transition:color .2s}
  .hdr-link:hover{color:var(--c-primary)}

  .hdr-nav{border-top:1px solid var(--c-divider);overflow:hidden;transition:height .25s ease,opacity .2s ease,border-color .2s}
  .hdr-nav-inner{display:flex;align-items:center;gap:28px;height:44px}
  .nav-link{position:relative;height:44px;display:inline-flex;align-items:center;font-size:14px;color:var(--c-text-2);transition:color .2s;white-space:nowrap}
  .nav-link:hover{color:var(--c-primary)}
  .nav-link.active{color:var(--c-primary);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:6px;
    width:20px;height:3px;border-radius:3px;background:var(--c-primary);
  }
  .hot-words{margin-left:auto;display:flex;gap:8px;align-items:center}
  .hot-word{font-size:12px;background:var(--c-sunken);color:var(--c-text-2);padding:4px 10px;border-radius:999px;transition:.2s;white-space:nowrap}
  .hot-word:hover{background:var(--c-primary-soft);color:var(--c-primary)}

  .site-header.nav-hidden .hdr-nav{height:0;opacity:0;border-top-color:transparent}

  .burger{
    display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);
    background:#fff;align-items:center;justify-content:center;margin-left:auto;
  }
  .burger span{position:relative;display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px}
  .burger span::before{top:-6px}
  .burger span::after{top:6px}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    height:46px;padding:0 22px;border-radius:var(--r-btn);
    border:1.5px solid transparent;font-size:15px;font-weight:600;
    transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    white-space:nowrap;cursor:pointer;
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn-lg{height:48px;padding:0 26px}
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm)}
  .btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(36,81,168,.28)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
  .btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
  .btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-ghost{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);color:#fff}
  .btn-ghost:hover{background:rgba(255,255,255,.32);transform:translateY(-1px)}
  .btn-text{
    display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;
    color:var(--c-primary);border-bottom:1px dashed var(--c-primary);
    padding-bottom:2px;transition:.2s;
  }
  .btn-text:hover{border-bottom-style:solid;transform:translateX(2px)}

  /* ============ 移动端抽屉 ============ */
  .drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
  .drawer-mask{position:absolute;inset:0;background:rgba(16,24,40,.45);opacity:0;transition:opacity .25s ease}
  .drawer-panel{
    position:absolute;top:0;right:0;height:100%;width:82vw;max-width:360px;
    background:#fff;border-radius:20px 0 0 20px;padding:20px;overflow-y:auto;
    transform:translateX(103%);transition:transform .28s ease-out;
  }
  .drawer.open{pointer-events:auto}
  .drawer.open .drawer-mask{opacity:1}
  .drawer.open .drawer-panel{transform:none}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:600;margin-bottom:16px}
  .drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--c-border);background:#fff;font-size:18px;line-height:1;color:var(--c-text-2)}
  .drawer-close:hover{background:var(--c-sunken);color:var(--c-primary)}
  .drawer-search input{width:100%;height:44px;border-radius:10px;border:1px solid #DDE5F0;padding:0 14px;font-size:14px;background:#fff}
  .drawer-search input::placeholder{color:#9AA6B8}
  .drawer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14)}
  .drawer-nav{margin:18px 0;display:flex;flex-direction:column}
  .drawer-nav a{padding:13px 2px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-divider)}
  .drawer-nav a.active{color:var(--c-primary);font-weight:600}
  .drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
  .drawer-hot a{font-size:12px;background:var(--c-sunken);color:var(--c-text-2);padding:5px 11px;border-radius:999px}
  .drawer-hot a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
  .drawer-actions{display:flex;flex-direction:column;gap:10px}
  .drawer-actions .btn{width:100%}

  /* ============ 分类头部横幅 ============ */
  .cat-banner{
    position:relative;overflow:hidden;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
  }
  .cat-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(26,59,125,.94) 0%,rgba(26,59,125,.78) 44%,rgba(26,59,125,.32) 100%);
  }
  .cat-banner-inner{position:relative;z-index:2;min-height:240px;display:flex;flex-direction:column;justify-content:center;padding:36px 24px}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.7);margin-bottom:14px;flex-wrap:wrap}
  .crumbs a{color:rgba(255,255,255,.82);transition:color .2s}
  .crumbs a:hover{color:#fff;text-decoration:underline}
  .crumbs .current{color:#fff}
  .eyebrow{
    display:inline-flex;align-items:center;gap:6px;width:fit-content;
    font-size:12px;letter-spacing:.06em;color:#fff;
    background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);
    padding:4px 12px;border-radius:999px;margin-bottom:14px;
  }
  .cat-banner h1{
    color:#fff;font-size:clamp(24px,3.4vw,40px);font-weight:700;line-height:1.22;
    margin:0 0 12px;max-width:820px;
  }
  .cat-banner-sub{color:rgba(255,255,255,.82);font-size:16px;margin:0;max-width:640px}
  .cat-stats{display:flex;gap:30px;margin-top:22px;flex-wrap:wrap}
  .cat-stats div{display:flex;flex-direction:column}
  .cat-stats strong{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:700;color:#fff;line-height:1.3}
  .cat-stats span{font-size:12px;color:rgba(255,255,255,.72)}

  /* ============ 筛选条 ============ */
  .filter-bar{background:#fff;border-bottom:1px solid var(--c-border)}
  .filter-inner{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px}
  .chips{display:flex;gap:10px;overflow-x:auto;flex:1;scrollbar-width:none;padding:2px}
  .chips::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;border-radius:999px;border:1px solid var(--c-border);background:#fff;
    color:var(--c-text-2);font-size:13.5px;padding:8px 16px;transition:.2s;
  }
  .chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
  .chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
  .sort-wrap{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);flex:0 0 auto}
  .sort-wrap select{
    height:38px;border-radius:10px;border:1px solid #DDE5F0;background:#fff;
    padding:0 12px;color:var(--c-text);font-size:13.5px;cursor:pointer;
  }
  .sort-wrap select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14)}

  /* ============ 板块标题 ============ */
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
  .section-title{position:relative;padding-left:14px;font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.3;margin:0 0 8px}
  .section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:18px;border-radius:2px;background:var(--c-accent)}
  .section-sub{font-size:15px;color:var(--c-text-2);margin:0}

  /* ============ 杂志瀑布卡片 ============ */
  .masonry{display:grid;grid-template-columns:repeat(2,1fr);column-gap:24px;row-gap:24px;align-items:start}
  .masonry > *:nth-child(even){margin-top:40px}
  .mag-card{
    position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);
    border:1px solid var(--c-border);box-shadow:var(--sh-md);
    transition:transform .3s ease-out,box-shadow .3s ease-out;
  }
  .mag-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
  .mag-card-media{position:relative;overflow:hidden;background:var(--c-sunken)}
  .mag-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
  .mag-card:hover .mag-card-media img{transform:scale(1.05)}
  .ratio-43{aspect-ratio:4/5}
  .ratio-1610{aspect-ratio:16/10}
  .mag-veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(16,25,48,.9) 0%,rgba(16,25,48,.44) 44%,rgba(16,25,48,0) 80%)}
  .mag-cap{position:absolute;left:22px;right:22px;bottom:20px}
  .mag-cap h3{color:#fff;font-size:19px;font-weight:700;line-height:1.42;margin:0 0 6px;transition:color .25s}
  .mag-card:hover .mag-cap h3{color:#DCE7FB}
  .mag-cap p{color:rgba(255,255,255,.76);font-size:12.5px;margin:0}
  .mag-card-media .badge{position:absolute;left:18px;top:18px;z-index:2}

  .badge{display:inline-flex;align-items:center;border-radius:999px;font-size:12px;padding:3px 10px;font-weight:600;line-height:1.6}
  .badge-soft{background:var(--c-primary-soft);color:var(--c-primary)}
  .badge-hot{background:var(--c-highlight);color:#fff}

  /* ============ 自检步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;padding:0;margin:0}
  .steps li{
    background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-md);
    transition:transform .28s ease-out,box-shadow .28s ease-out,border-color .28s ease-out;
  }
  .steps li:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#DCE6F7}
  .step-no{
    display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
    border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);
    font-weight:700;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    margin-bottom:14px;
  }
  .steps h3{font-size:17px;font-weight:600;margin:0 0 8px;line-height:1.45}
  .steps p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75}

  /* ============ 数据条 ============ */
  .trust{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
    background:var(--c-border);border:1px solid var(--c-border);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);
  }
  .trust-item{background:#fff;padding:26px 22px;text-align:center}
  .trust-item strong{
    display:block;font-size:26px;font-weight:700;color:var(--c-primary);
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.02em;line-height:1.4;
  }
  .trust-item span{font-size:13px;color:var(--c-text-2)}

  /* ============ 分页 ============ */
  .pager{display:flex;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
  .page-btn{
    min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--c-border);background:#fff;border-radius:10px;
    font-size:14px;color:var(--c-text-2);transition:.2s;
  }
  .page-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
  .page-btn.current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
  .page-btn.disabled{opacity:.4;pointer-events:none}

  /* ============ FAQ ============ */
  .faq-list{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-md);overflow:hidden}
  .faq-item + .faq-item{border-top:1px solid var(--c-divider)}
  .faq-q{
    width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;
    gap:16px;padding:20px 24px;font-size:16px;font-weight:600;text-align:left;color:var(--c-text);
    transition:color .2s,background .2s;
  }
  .faq-q:hover{color:var(--c-primary);background:#FAFBFE}
  .faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;color:var(--c-text-3);transition:transform .24s ease-out,color .24s ease-out}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
  .faq-icon::before{left:0;top:9px;width:20px;height:2px}
  .faq-icon::after{left:9px;top:0;width:2px;height:20px}
  .faq-item.open .faq-icon{transform:rotate(45deg);color:var(--c-primary)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
  .faq-item.open .faq-a{max-height:480px}
  .faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:860px}

  /* ============ CTA ============ */
  .cta-wrap{padding:0 0 var(--sec-y)}
  .cta-band{
    background:var(--c-primary-deep);color:#fff;border-radius:var(--r-card);
    padding:40px;display:flex;align-items:center;justify-content:space-between;
    gap:28px;flex-wrap:wrap;box-shadow:var(--sh-lg);
  }
  .cta-copy{max-width:620px}
  .cta-copy h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin:0 0 10px;line-height:1.35;color:#fff}
  .cta-copy p{font-size:14.5px;color:rgba(255,255,255,.78);margin:0;line-height:1.8}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
  .cta-band .btn-primary{background:#fff;color:var(--c-primary-deep)}
  .cta-band .btn-primary:hover{background:#EAF0FC;color:var(--c-primary-deep);box-shadow:0 8px 18px rgba(0,0,0,.18)}
  .cta-note{font-size:12px;color:var(--c-text-3);margin:14px 0 0;line-height:1.7}

  /* ============ 页脚 ============ */
  .site-footer{background:#16295A;color:#fff;padding:64px 0 28px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .brand-mark{background:var(--c-primary)}
  .footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
  .footer-brand-text strong{font-size:17px;color:#fff}
  .footer-brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:#9FC0FF}
  .footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 0 18px;max-width:330px}
  .footer-social{display:flex;gap:10px}
  .footer-social a{
    width:36px;height:36px;border-radius:999px;display:grid;place-items:center;
    background:rgba(255,255,255,.1);font-size:13px;color:#fff;transition:.2s;
  }
  .footer-social a:hover{background:var(--c-accent);transform:translateY(-2px)}
  .footer-col h4{font-size:15px;font-weight:600;margin:0 0 16px;color:#fff}
  .footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
  .footer-col li a,.footer-col li span{font-size:13.5px;color:rgba(255,255,255,.72);transition:color .2s,transform .2s;display:inline-block}
  .footer-col li a:hover{color:#9FC0FF;transform:translateX(3px)}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.8;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{--sec-y:64px}
    .hdr-search{flex:0 1 180px}
    .hdr-search:focus-within{flex-basis:240px}
    .steps{grid-template-columns:repeat(2,1fr)}
    .trust{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:1023px){
    .hdr-search,.hdr-actions .hdr-link,.hdr-actions .btn-outline{display:none}
    .hdr-nav{display:none}
    .burger{display:inline-flex}
  }
  @media (max-width:768px){
    .masonry{grid-template-columns:1fr}
    .masonry > *:nth-child(even){margin-top:0}
    .cat-banner-inner{padding:28px 24px}
    .cta-band{padding:28px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1}
  }
  @media (max-width:640px){
    :root{--sec-y:48px}
    .container{padding:0 16px}
    .cat-banner-inner{padding:26px 16px}
    .cat-banner h1{font-size:23px}
    .cat-banner-sub{font-size:14.5px}
    .cat-stats{gap:18px;margin-top:18px}
    .cat-stats strong{font-size:18px}
    .brand-text strong{font-size:16px}
    .brand-text em{font-size:10px}
    .btn-sm{height:36px;padding:0 12px;font-size:13px}
    .filter-inner{flex-direction:column;align-items:stretch;gap:12px}
    .sort-wrap{justify-content:space-between}
    .steps{grid-template-columns:1fr}
    .trust{grid-template-columns:1fr 1fr}
    .faq-q{padding:16px 18px;font-size:15px}
    .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column}
    .mag-cap{left:16px;right:16px;bottom:16px}
    .mag-cap h3{font-size:17px}
  }

/* roulang page: category3 */
:root{
  --c-primary:#2451A8;
  --c-primary-deep:#1A3B7D;
  --c-primary-soft:#E8EEFB;
  --c-accent:#0FB5A0;
  --c-highlight:#FF7A2F;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-sunken:#EDF1F8;
  --c-border:#E9EEF6;
  --c-divider:#EEF2F8;
  --t-main:#101828;
  --t-sub:#475467;
  --t-muted:#8A94A6;
  --r-card:16px;
  --r-md:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(16,32,64,.04);
  --sh-md:0 1px 2px rgba(16,32,64,.04),0 8px 24px rgba(16,32,64,.05);
  --sh-lg:0 14px 34px rgba(16,32,64,.10);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  color:var(--t-main);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
img{display:block;max-width:100%;height:auto;border:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

body .container{width:100%;max-width:1240px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:1024px){body .container{padding-left:24px;padding-right:24px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-border);transition:background .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(18,40,80,.08)}
.hdr-top{border-bottom:1px solid var(--c-divider)}
.hdr-top-inner{display:flex;align-items:center;gap:16px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(140deg,var(--c-primary),var(--c-accent));
  color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.04em;text-transform:lowercase;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--t-main)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--t-muted);font-weight:500}
.hdr-search{flex:0 1 220px;max-width:220px;transition:max-width .28s ease}
.hdr-search form{position:relative;display:flex;align-items:center}
.hdr-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--t-muted);pointer-events:none}
.hdr-search input{
  width:100%;height:38px;border-radius:999px;border:1px solid var(--c-border);
  background:var(--c-sunken);padding:0 14px 0 34px;font-size:13px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.hdr-search input::placeholder{color:#9AA6B8}
.hdr-search input:focus{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14);outline:none}
.hdr-search:focus-within{max-width:320px;flex-basis:320px}
.hdr-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.hdr-link{font-size:13px;color:var(--t-sub);white-space:nowrap}
.hdr-link:hover{color:var(--c-primary)}
.burger{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--c-border);align-items:center;justify-content:center;flex:none}
.burger:hover{background:var(--c-sunken)}
.burger span{display:block;width:18px;height:2px;background:var(--t-main);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-main);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.hdr-nav{max-height:44px;overflow:hidden;transition:max-height .28s ease,opacity .2s ease}
.hdr-nav-inner{display:flex;align-items:center;gap:26px;height:44px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:14px;font-weight:500;color:var(--t-sub);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:8px;width:0;height:3px;border-radius:3px;background:var(--c-primary);transition:width .25s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{width:20px}
.hot-words{display:flex;align-items:center;gap:8px;margin-left:auto}
.hot-word{font-size:12px;padding:5px 10px;border-radius:999px;background:var(--c-sunken);color:var(--t-sub);white-space:nowrap}
.hot-word:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.site-header.nav-condensed .hdr-nav{max-height:0;opacity:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:9px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(16,32,64,.08)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(36,81,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft)}
.btn-ghost{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.32)}
.btn-light{background:#fff;color:var(--c-primary-deep)}
.btn-light:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px dashed var(--c-primary);padding-bottom:2px;height:auto;border-radius:0}
.btn-text:hover{border-bottom-style:solid;transform:translateX(2px)}

/* ============ 页面头 ============ */
.page-head{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--c-border);padding:26px 0 34px}
.page-head::after{
  content:"";position:absolute;right:-90px;top:-70px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,181,160,.13),rgba(15,181,160,0) 70%);pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-muted);flex-wrap:wrap}
.crumb a{color:var(--t-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C6CFDE}
.crumb .cur{color:var(--t-sub)}
.page-head h1{margin-top:14px;font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:.01em;max-width:900px}
.page-sub{margin-top:14px;font-size:15px;line-height:1.8;color:var(--t-sub);max-width:780px}
.stat-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:24px}
.stat-row li{display:flex;flex-direction:column;padding-left:14px;border-left:2px solid var(--c-primary-soft)}
.stat-row strong{font-family:var(--mono);font-size:22px;font-weight:700;line-height:1.2;color:var(--c-primary-deep);font-variant-numeric:tabular-nums}
.stat-row span{font-size:12px;letter-spacing:.04em;color:var(--t-muted)}

/* ============ 筛选条 ============ */
.filter-bar{position:sticky;top:100px;z-index:40;background:rgba(245,247,251,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-border)}
.filter-inner{display:flex;align-items:center;gap:18px;min-height:60px;padding-top:10px;padding-bottom:10px}
.chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;font-size:13px;padding:7px 14px;border-radius:999px;border:1px solid var(--c-border);background:#fff;color:var(--t-sub);white-space:nowrap;transition:all .2s ease}
.chip:hover{border-color:#C9D6EE;color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 14px rgba(36,81,168,.22)}
.sort-wrap{display:flex;align-items:center;gap:8px;flex:none}
.sort-wrap label{font-size:12px;color:var(--t-muted)}
.sort-wrap select{height:36px;border-radius:9px;border:1px solid var(--c-border);background:#fff;padding:0 30px 0 12px;font-size:13px;color:var(--t-sub);appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238A94A6' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 8px center;background-size:14px;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}
.sort-wrap select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14);outline:none}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.section-head .sub{font-size:13px;color:var(--t-muted);margin-top:8px}
.sec-line{display:inline-block;width:4px;height:18px;border-radius:3px;background:var(--c-accent);vertical-align:-2px;margin-right:8px}

/* ============ 纵向图文条目列表 ============ */
.entry-list{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden}
.entry{display:grid;grid-template-columns:320px 1fr;gap:24px;padding:24px;border-bottom:1px solid var(--c-divider);transition:background-color .22s ease}
.entry:last-child{border-bottom:0}
.entry:hover{background:#F8FAFE}
.entry-thumb{width:320px;max-width:100%;aspect-ratio:8/5;border-radius:var(--r-md);overflow:hidden;background:var(--c-sunken);flex:none}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.entry:hover .entry-thumb img{transform:scale(1.05)}
.entry-body{min-width:0;display:flex;flex-direction:column}
.entry-title{font-size:18px;font-weight:700;line-height:1.45}
.entry-title a{color:var(--t-main)}
.entry:hover .entry-title a{color:var(--c-primary)}
.entry-desc{margin-top:10px;font-size:14px;line-height:1.8;color:var(--t-sub);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.entry-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:14px}
.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);white-space:nowrap}
.tag-hot{background:var(--c-highlight);color:#fff}
.entry-time{font-size:12px;color:var(--t-muted);font-family:var(--mono);font-variant-numeric:tabular-nums}
.entry-meta .entry-time{margin-left:auto}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{min-width:40px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--c-border);background:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--t-sub);font-variant-numeric:tabular-nums}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700}
.pager .disabled{opacity:.4;pointer-events:none}

/* ============ 卡片 / 卖点 ============ */
.value-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);transition:transform .3s ease-out,box-shadow .3s ease-out}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.value-icon{width:42px;height:42px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:16px;margin-bottom:16px}
.value-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.value-card p{font-size:14px;line-height:1.75;color:var(--t-sub)}
.value-card .dot-live{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--c-accent);margin-top:14px}
.value-card .dot-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(15,181,160,.16)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.step{position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-sm);transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D7E2F6}
.step-num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--c-primary);line-height:1;font-variant-numeric:tabular-nums}
.step h3{font-size:16px;font-weight:700;margin:14px 0 8px}
.step p{font-size:13px;line-height:1.75;color:var(--t-sub)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:960px}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease}
.faq-item.open{border-color:#D3DFF5;box-shadow:var(--sh-md)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:600;text-align:left;color:var(--t-main);transition:color .2s ease}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:16px;height:16px;flex:none;color:var(--t-muted);transition:transform .24s ease,color .24s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--t-sub)}

/* ============ CTA ============ */
.cta-band{background:var(--c-primary-deep);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;letter-spacing:.01em}
.cta-note{font-size:12px;color:rgba(255,255,255,.72);margin-top:12px;line-height:1.7;max-width:620px}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#16295A;color:#fff;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);background-image:none;color:#fff}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand-text strong{font-size:17px;font-weight:800}
.footer-brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:13px;color:#fff}
.footer-social a:hover{background:var(--c-accent);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:#fff}
.footer-col li{margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.75)}
.footer-col a{display:inline-block}
.footer-col a:hover{color:#9FC0FF;transform:translateX(3px)}
.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.6)}

/* ============ 移动抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:80;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .3s ease;border-radius:20px 0 0 20px;
  padding:20px;overflow-y:auto;box-shadow:-12px 0 40px rgba(16,32,64,.18);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head strong{font-size:16px}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--c-border);display:grid;place-items:center;font-size:14px;color:var(--t-sub)}
.drawer-close:hover{background:var(--c-sunken)}
.drawer-search{position:relative;margin-bottom:18px}
.drawer-search input{width:100%;height:42px;border-radius:10px;border:1px solid #DDE5F0;background:#fff;padding:0 12px;font-size:14px}
.drawer-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,81,168,.14);outline:none}
.drawer-channels a{display:flex;align-items:center;justify-content:space-between;padding:14px 2px;border-bottom:1px solid var(--c-divider);font-size:15px;color:var(--t-sub)}
.drawer-channels a.active{color:var(--c-primary);font-weight:700}
.drawer-channels a:hover{color:var(--c-primary)}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.drawer-btns{display:grid;gap:10px}
.drawer-btns .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .filter-bar{top:100px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .hdr-search{display:none}
  .hdr-link{display:none}
  .hdr-actions .btn-outline{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .hdr-nav{display:none}
  .burger{display:inline-flex}
  .filter-bar{top:56px}
  .filter-inner{flex-wrap:wrap;gap:12px}
  .sort-wrap{width:100%;justify-content:space-between}
  .sort-wrap select{flex:1}
  .entry{grid-template-columns:1fr;gap:16px;padding:18px}
  .entry-thumb{width:100%}
  .entry-meta .entry-time{margin-left:0;width:100%}
  .page-head{padding:20px 0 26px}
  .stat-row{gap:18px}
  .stat-row li{padding-left:10px}
  .stat-row strong{font-size:19px}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr}
  .brand-text strong{font-size:16px}
  .page-head h1{font-size:24px}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 10px}
}