/* roulang page: index */
:root{
  --brand-700:#12456E;
  --brand-600:#1A5F94;
  --brand-500:#2B7FB8;
  --brand-100:#E8F1F8;
  --accent-500:#E8873A;
  --accent-100:#FDF1E6;
  --teal:#17A08A;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --text:#1C2530;
  --muted:#5A6773;
  --line:#E3E9F0;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,42,67,.06);
  --sh-2:0 14px 34px rgba(16,42,67,.12);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#1C2530;
  --bs-body-bg:#F7F9FC;
  --bs-border-color:#E3E9F0;
  --bs-link-color:#1A5F94;
  --bs-link-hover-color:#12456E;
  --bs-primary:#1A5F94;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(43,127,184,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-100);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:30px}
.sec-head p{color:var(--muted);font-size:15px;margin-top:8px}
.sec-more{font-size:14px;font-weight:600;white-space:nowrap}
.sec-more i{margin-left:6px;font-size:12px}
/* ===== 顶部倒计时条 ===== */
.countdown-bar{
  background:linear-gradient(90deg,#12456E 0%,#1A5F94 55%,#2B7FB8 100%);
  color:#EAF3FA;min-height:44px;display:flex;align-items:center;
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:6px 0}
.countdown-text{font-size:14px;display:flex;align-items:center;gap:8px}
.countdown-text i{color:var(--accent-500)}
.cd-grid{display:flex;align-items:center;gap:8px}
.cd-cell{
  min-width:46px;padding:2px 8px;text-align:center;border-radius:var(--r-sm);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  font-variant-numeric:tabular-nums;
}
.cd-cell b{display:block;font-size:16px;font-weight:700;color:#FFB877;line-height:1.35}
.cd-cell span{font-size:11px;color:#CBDCEA}
/* ===== 吸顶导航 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(16,42,67,.08)}
.brand-row{display:flex;align-items:center;gap:22px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;font-weight:700;font-size:14px;letter-spacing:.5px;
}
.brand-text{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.3px}
.brand-sub{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:1px}
.search-box{flex:1;display:flex;align-items:center;max-width:440px;border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 18px;background:#FBFDFF;transition:border-color .2s ease,box-shadow .2s ease}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(43,127,184,.12)}
.search-box input{flex:1;border:0;background:transparent;outline:none;height:38px;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:#93A1AE}
.btn-search{
  border:0;background:var(--brand-600);color:#fff;height:38px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:background .18s ease,transform .18s ease;
}
.btn-search:hover{background:var(--brand-700);transform:translateY(-1px)}
.hot-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hot-tags span{font-size:12px;color:var(--muted)}
.tag-pill{
  display:inline-block;font-size:12px;color:var(--brand-600);background:var(--brand-100);
  padding:4px 12px;border-radius:var(--r-pill);transition:background .18s ease,color .18s ease;
}
.tag-pill:hover{background:var(--brand-500);color:#fff}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand-600);
  width:44px;height:44px;border-radius:var(--r-md);font-size:17px;
}
.channel-nav{border-top:1px solid var(--line)}
.channel-nav ul{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.channel-nav a{
  position:relative;display:block;padding:14px 16px;font-size:15px;font-weight:500;color:var(--text);
}
.channel-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
}
.channel-nav a:hover{color:var(--brand-700)}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:var(--brand-700);font-weight:600}
.channel-nav a.active::after{transform:scaleX(1)}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .brand-row{flex-wrap:wrap;gap:14px}
  .brand-text{font-size:17px}
  .search-box{order:3;max-width:100%;flex:1 1 100%}
  .hot-tags{order:4;flex:1 1 100%}
  .channel-nav{border-top:0}
  .channel-nav ul{flex-direction:column;align-items:stretch;padding:6px 0 12px;gap:2px}
  .channel-nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .channel-nav a::after{display:none}
  .channel-nav a.active{color:var(--brand-600);background:var(--brand-100);border-radius:var(--r-sm);padding-left:12px}
}
/* ===== Hero ===== */
.hero{padding:72px 0 80px;background:
  radial-gradient(900px 420px at 88% -10%,rgba(43,127,184,.10),transparent 70%),
  linear-gradient(180deg,#FFFFFF 0%,#F7F9FC 100%);
  border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:40px;margin-bottom:18px;letter-spacing:.4px}
.hero h1 em{font-style:normal;color:var(--brand-600);position:relative}
.hero-lead{font-size:17px;color:var(--muted);margin-bottom:12px;max-width:620px}
.hero-sub{font-size:15px;color:var(--muted);margin-bottom:28px;max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-brand{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px rgba(26,95,148,.22)}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:#CFE0EC}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px rgba(232,135,58,.25)}
.btn-accent:hover{background:#D5762A;color:#fff;transform:translateY(-2px)}
.trust-row{display:flex;gap:26px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted)}
.trust-item i{color:var(--teal);font-size:15px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:7/5;background:#E8F1F8}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 20px 16px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,rgba(18,69,110,0),rgba(18,69,110,.78));
}
.hero-float{
  position:absolute;top:18px;left:18px;background:rgba(255,255,255,.94);border-radius:var(--r-md);
  padding:10px 14px;font-size:12px;color:var(--brand-700);font-weight:600;box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:8px;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(23,160,138,.16)}
@media (max-width:991px){
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:28px}
  .hero-figure{aspect-ratio:16/9}
}
/* ===== 数据条 ===== */
.stat-strip{background:#fff;border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}
.stat-item{display:flex;align-items:center;gap:14px}
.stat-num{font-size:26px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:.5px}
.stat-label{font-size:13px;color:var(--muted);line-height:1.5}
.stat-icon{width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;background:var(--brand-100);color:var(--brand-600);font-size:17px;flex-shrink:0}
@media (max-width:991px){.stat-grid{grid-template-columns:repeat(2,1fr);padding:24px 0}}
/* ===== 卖点非对称 ===== */
.feature-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px}
.feature-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE0EC}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-main .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-main h3{font-size:20px}
.feature-main p{color:var(--muted);font-size:15px}
.feature-main .link{margin-top:auto;font-size:14px;font-weight:600}
.feature-side{display:grid;gap:24px;align-content:stretch}
.feature-mini{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.feature-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE0EC}
.feature-mini .ico{width:46px;height:46px;border-radius:var(--r-md);background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center;font-size:18px;flex-shrink:0}
.feature-mini h3{font-size:17px;margin-bottom:6px}
.feature-mini p{font-size:14px;color:var(--muted)}
@media (max-width:991px){.feature-grid{grid-template-columns:1fr}}
/* ===== 图墙 ===== */
.gallery{display:grid;grid-template-columns:5fr 7fr;gap:20px}
.g-tall{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.g-tall img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}
.g-stack{display:grid;gap:20px}
.g-stack figure{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.g-stack img{width:100%;aspect-ratio:16/9;object-fit:cover}
.g-row{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.g-row figure{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.g-row img{width:100%;aspect-ratio:16/9;object-fit:cover}
.gallery figure img{transition:transform .35s ease}
.gallery figure:hover img{transform:scale(1.02)}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:30px 16px 14px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,rgba(18,69,110,0),rgba(18,69,110,.75));
}
@media (max-width:991px){
  .gallery{grid-template-columns:1fr}
  .g-row{grid-template-columns:1fr 1fr}
}
@media (max-width:575px){.g-row{grid-template-columns:1fr}}
/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE0EC}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge-soft{display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-600);background:var(--brand-100);border-radius:var(--r-pill);padding:4px 12px}
.news-title{font-size:17px;font-weight:600;line-height:1.55}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--brand-600)}
.news-excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:#8C99A6}
.news-link{font-weight:600;font-size:13px}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed #C9D8E4;border-radius:var(--r-lg);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:30px;color:#A9BECD;display:block;margin-bottom:14px}
.empty-state a{font-weight:600}
@media (max-width:991px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.news-grid{grid-template-columns:1fr}}
/* ===== 讨论/认同 ===== */
.talk-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.talk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.talk-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;background:#FBFDFF;transition:border-color .18s ease,box-shadow .18s ease}
.talk-card:hover{border-color:#CFE0EC;box-shadow:var(--sh-1)}
.talk-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.avatar-set{display:flex;align-items:center}
.avatar-set span{
  width:30px;height:30px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);
  display:grid;place-items:center;font-size:12px;font-weight:600;border:2px solid #fff;margin-left:-8px;
}
.avatar-set span:first-child{margin-left:0}
.count-badge{font-size:12px;font-weight:600;color:#8A5A22;background:var(--accent-100);border-radius:var(--r-pill);padding:4px 12px;font-variant-numeric:tabular-nums}
.talk-card h3{font-size:16px;font-weight:600;margin-bottom:8px;line-height:1.6}
.talk-card p{font-size:14px;color:var(--muted)}
.talk-tags{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
@media (max-width:991px){.talk-grid{grid-template-columns:1fr}}
/* ===== CTA 带 ===== */
.cta-band{
  background:
    linear-gradient(180deg,rgba(232,241,248,.9),rgba(247,249,252,.9)),
    repeating-linear-gradient(90deg,rgba(43,127,184,.06) 0 1px,transparent 1px 42px),
    repeating-linear-gradient(0deg,rgba(43,127,184,.06) 0 1px,transparent 1px 42px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:34px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{font-size:28px;margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:15px;max-width:640px}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.cta-note{font-size:12px;color:#7C8996}
.cta-note i{margin-right:6px;color:var(--brand-500)}
@media (max-width:768px){.cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0}.cta-inner h2{font-size:22px}}
/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;box-shadow:none;padding:22px 8px 22px 0;font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;gap:16px;
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:transparent}
.accordion-button::after{display:none}
.accordion-button .faq-idx{
  width:28px;height:28px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);
  display:grid;place-items:center;font-size:13px;font-weight:600;flex-shrink:0;
}
.accordion-button .faq-arrow{margin-left:auto;color:#A9BECD;transition:transform .2s ease}
.accordion-button:not(.collapsed) .faq-arrow{transform:rotate(180deg);color:var(--brand-500)}
.accordion-button:not(.collapsed) .faq-idx{background:var(--brand-600);color:#fff}
.accordion-body{padding:0 0 24px 44px;color:var(--muted);font-size:15px;position:relative}
.accordion-item:has(.accordion-button:not(.collapsed)){background:#F7F9FC;border-radius:var(--r-sm)}
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-button{border-left:3px solid var(--brand-500);padding-left:14px}
/* ===== 页脚 ===== */
.site-footer{background:#0F2D46;color:#C6D6E3;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:18px;font-weight:600}
.site-footer p{color:#9FB6C7;font-size:14px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#B7CADA;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;color:#9FB6C7;font-size:14px}
.footer-contact i{color:var(--brand-500);margin-top:5px}
.qr-box{width:104px;height:104px;border-radius:var(--r-md);background:#173E5D;display:grid;place-items:center;color:#7B98AF;font-size:12px;text-align:center;border:1px solid #1E4C70;margin-top:16px}
.footer-bottom{border-top:1px solid #1E4C70;padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8FA8BB;font-size:13px}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}}
/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;color:var(--brand-600);box-shadow:var(--sh-1);display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .22s ease;z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-600);color:#fff}
@media (max-width:991px){.section{padding:64px 0}.sec-head h2{font-size:24px}}
@media (max-width:575px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero h1{font-size:24px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .btn-brand,.btn-ghost,.btn-accent{width:100%}
  .hero-actions{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .gallery figure:hover img{transform:none}
}

/* roulang page: article */
:root{
  --brand-600:#1A5F94;
  --brand-500:#2B7FB8;
  --brand-700:#12456E;
  --brand-100:#E8F1F8;
  --accent-500:#E8873A;
  --accent-600:#D5762B;
  --teal-500:#17A08A;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --text:#1C2530;
  --muted:#5A6773;
  --line:#E3E9F0;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 14px 34px rgba(16,42,67,.12);
  --bs-primary:#1A5F94;
  --bs-body-color:#1C2530;
  --bs-body-bg:#F7F9FC;
  --bs-link-color:#1A5F94;
  --bs-link-hover-color:#12456E;
  --bs-border-color:#E3E9F0;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-700);}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid rgba(43,127,184,.65);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px 26px;padding:14px 0 12px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 auto;
  border-radius:12px;
  background:var(--brand-600);
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;
}
.brand-text{display:block;font-size:18px;font-weight:700;letter-spacing:.2px;color:var(--text);}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.5;letter-spacing:.4px;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--brand-600);cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-100);}
#navPanel{flex:1 1 auto;}
.search-box{
  display:flex;align-items:center;flex:1 1 240px;max-width:430px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:4px 4px 4px 8px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(43,127,184,.14);}
.search-box input{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  padding:8px 10px;font-size:14px;color:var(--text);line-height:1.6;
}
.search-box input::placeholder{color:#98A5B3;}
.btn-search{
  display:inline-flex;align-items:center;gap:6px;
  border:0;border-radius:var(--radius-pill);
  background:var(--brand-600);color:#fff;
  padding:8px 16px;font-size:14px;font-weight:500;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.btn-search:hover{background:var(--brand-700);transform:translateY(-1px);}
.hot-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;line-height:1.5;border:1px solid transparent;
  transition:all .18s ease;
}
.tag-pill:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-600);}
.channel-nav{border-top:1px solid var(--line);}
.channel-nav ul{display:flex;align-items:center;gap:30px;overflow-x:auto;scrollbar-width:none;}
.channel-nav ul::-webkit-scrollbar{display:none;}
.channel-nav a{
  position:relative;display:block;white-space:nowrap;
  padding:12px 2px 13px;font-size:15px;font-weight:500;color:var(--muted);
}
.channel-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:transparent;border-radius:2px;transition:background .2s ease;
}
.channel-nav a:hover{color:var(--brand-700);}
.channel-nav a.active{color:var(--brand-700);}
.channel-nav a.active::after{background:var(--brand-500);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:22px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);line-height:1.7;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:#B9C4D0;}
.breadcrumb .current{color:#3A4756;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 双栏布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  padding:22px 0 72px;
}
.article-main{min-width:0;}
.article-side{min-width:0;}

/* ---------- 文章主体 ---------- */
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:32px;
}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:500;
}
.article-title{
  font-size:34px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.2px;
  margin:16px 0 14px;
  color:var(--text);
  overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-500);}
.article-summary{
  margin-top:22px;
  padding:18px 22px;
  background:var(--brand-100);
  border-left:3px solid var(--brand-500);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  font-size:15px;
  line-height:1.9;
  color:#2B3A49;
}
.article-summary strong{color:var(--brand-700);font-weight:600;}

/* ---------- 正文排版 ---------- */
.article-content{
  margin-top:28px;
  font-size:16px;
  line-height:1.9;
  color:#26313D;
  overflow-wrap:break-word;
}
.article-content p{margin:0 0 18px;}
.article-content h2{
  position:relative;
  font-size:24px;
  font-weight:600;
  margin:38px 0 14px;
  padding-left:15px;
  color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;
  border-radius:2px;background:var(--brand-500);
}
.article-content h3{font-size:19px;font-weight:600;margin:28px 0 10px;color:var(--text);}
.article-content h4{font-size:17px;font-weight:600;margin:22px 0 8px;color:var(--text);}
.article-content ul,.article-content ol{margin:0 0 18px;}
.article-content li{position:relative;padding-left:22px;margin-bottom:9px;}
.article-content ul li::before{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-500);
}
.article-content ol{counter-reset:item;}
.article-content ol li{counter-increment:item;padding-left:28px;}
.article-content ol li::before{
  content:counter(item);
  position:absolute;left:0;top:8px;
  width:18px;height:18px;border-radius:5px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:11px;font-weight:600;line-height:18px;text-align:center;
}
.article-content blockquote{
  margin:22px 0;
  padding:16px 22px;
  background:#F2F7FB;
  border-left:3px solid var(--brand-500);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:#3B4A5A;
  font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.article-content th{background:var(--brand-100);color:var(--brand-700);font-weight:600;text-align:left;}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content tbody tr:nth-child(even){background:#FAFCFE;}
.article-content img{border-radius:var(--radius-md);margin:22px auto;}
.article-content figure{margin:22px 0;}
.article-content figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--muted);
}
.article-content code{
  background:#EFF4F9;color:var(--brand-700);
  padding:2px 6px;border-radius:6px;font-size:14px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}
.article-content pre{
  background:#0F2A3F;color:#E6F1F8;
  padding:18px 20px;border-radius:var(--radius-md);
  overflow:auto;font-size:14px;line-height:1.75;margin:22px 0;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}
.article-content pre code{background:none;color:inherit;padding:0;}

/* ---------- 空状态 ---------- */
.empty-state{
  margin-top:26px;
  padding:52px 24px;
  text-align:center;
  border:1px dashed #C9D7E4;
  border-radius:var(--radius-lg);
  background:#FAFCFE;
}
.empty-state i{font-size:34px;color:var(--brand-500);}
.empty-state h2{font-size:20px;margin:16px 0 10px;}
.empty-state p{font-size:14.5px;color:var(--muted);max-width:460px;margin:0 auto 22px;line-height:1.9;}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-600);color:#fff;
  border:1px solid var(--brand-600);
  border-radius:var(--radius-pill);
  padding:11px 24px;font-size:14.5px;font-weight:500;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand-600);
  border:1px solid var(--brand-500);
  border-radius:var(--radius-pill);
  padding:10px 22px;font-size:14.5px;font-weight:500;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;
  border:1px solid var(--accent-500);
  border-radius:var(--radius-pill);
  padding:11px 24px;font-size:14.5px;font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px);}

/* ---------- 文末 ---------- */
.article-foot{
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;}
.link-back{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-600);font-weight:500;}
.link-back:hover{color:var(--brand-700);}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-1);
  padding:22px;
  margin-bottom:22px;
}
.side-card h3{
  display:flex;align-items:center;gap:9px;
  font-size:16px;font-weight:600;margin-bottom:16px;color:var(--text);
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-500);}
.side-list li + li{margin-top:12px;}
.side-list a{
  display:block;
  font-size:14px;
  line-height:1.7;
  color:#3A4756;
  padding:8px 10px;
  border-radius:10px;
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.side-list a:hover{background:var(--brand-100);color:var(--brand-600);padding-left:15px;}
.toc-list{counter-reset:toc;}
.toc-list li{counter-increment:toc;}
.toc-list a{position:relative;padding-left:34px;}
.toc-list a::before{
  content:counter(toc);
  position:absolute;left:10px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;line-height:18px;text-align:center;
  border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  font-size:11px;font-weight:600;
}
.toc-list a:hover{padding-left:34px;}
.side-cta{
  background:var(--brand-600);
  border-radius:18px;
  padding:24px 22px;
  box-shadow:var(--shadow-2);
  color:#fff;
}
.side-cta h3{color:#fff;font-size:17px;font-weight:600;margin-bottom:10px;}
.side-cta p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:18px;}
.side-cta .btn-accent{width:100%;}

/* ---------- 相关推荐 ---------- */
.related-band{margin-top:32px;}
.related-band > h2{
  font-size:20px;font-weight:600;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.related-band > h2::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand-500);}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  padding:16px;
  color:var(--text);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);color:var(--text);}
.mini-card img{width:96px;height:72px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.mini-card h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:56px 0 0;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.9;margin-bottom:18px;max-width:320px;}
.qr-box{
  width:106px;height:106px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  border:1px dashed #C6D3E0;border-radius:12px;
  background:#FAFCFE;
  font-size:12px;color:var(--muted);line-height:1.6;
}
.site-footer h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:var(--muted);}
.footer-links a:hover{color:var(--brand-600);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:12px;}
.footer-contact i{color:var(--brand-500);margin-top:6px;flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}

/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  width:44px;height:44px;
  display:none;align-items:center;justify-content:center;
  border-radius:50%;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  color:var(--brand-600);cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.back-top.show{display:inline-flex;}
.back-top:hover{color:var(--brand-700);transform:translateY(-3px);box-shadow:var(--shadow-2);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-title{font-size:30px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:56px;}
  .article-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .side-card,.side-cta{margin-bottom:0;}
  .side-cta{grid-column:1 / -1;}
}
@media (max-width:991px){
  .brand-row{flex-wrap:wrap;}
  #navPanel{flex-basis:100%;width:100%;}
  #navPanel .d-lg-flex{flex-direction:column;align-items:stretch !important;gap:14px;padding-top:14px;border-top:1px solid var(--line);margin-top:4px;}
  .search-box{max-width:none;width:100%;flex:1 1 auto;}
  .channel-nav ul{gap:22px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .site-footer{padding-top:44px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .article-card{padding:22px 18px;border-radius:16px;}
  .article-title{font-size:24px;margin:14px 0 12px;}
  .article-content h2{font-size:20px;margin-top:30px;}
  .article-content h3{font-size:17px;}
  .article-content table{font-size:13.5px;}
  .article-content th,.article-content td{padding:10px 12px;}
  .article-side{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .back-top{right:16px;bottom:18px;}
}
@media (max-width:575px){
  .brand-sub{display:none;}
  .brand-mark{width:40px;height:40px;font-size:15px;border-radius:11px;}
  .brand-text{font-size:16.5px;}
  .brand-row{padding:12px 0 10px;gap:10px;}
  .article-title{font-size:22px;}
  .article-summary{padding:15px 16px;font-size:14.5px;}
  .btn-search span{display:none;}
  .btn-search{padding:8px 13px;}
  .mini-card{flex-direction:column;}
  .mini-card img{width:100%;height:auto;aspect-ratio:16/9;}
  .btn-primary,.btn-ghost,.btn-accent{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --brand-700:#12456E;
  --brand-600:#1A5F94;
  --brand-500:#2B7FB8;
  --brand-100:#E8F1F8;
  --accent-500:#E8873A;
  --accent-600:#D3762C;
  --accent-100:#FDF1E6;
  --teal:#17A08A;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --text:#1C2530;
  --muted:#5A6773;
  --line:#E3E9F0;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,42,67,.06);
  --sh-2:0 14px 34px rgba(16,42,67,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600;letter-spacing:.2px;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(43,127,184,.55);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(16,42,67,.08);}
.brand-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px 24px;
  padding:12px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--brand-700);
  flex:0 0 auto;
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  color:#fff;
  font-size:16px;
  font-weight:700;
  letter-spacing:.5px;
}
.brand-text{
  display:block;
  font-size:17px;
  font-weight:700;
  line-height:1.25;
}
.brand-sub{
  display:block;
  font-size:12px;
  font-weight:400;
  color:var(--muted);
  line-height:1.4;
}
.nav-toggle{
  margin-left:auto;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--brand-700);
  font-size:17px;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-100);}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 280px;
  max-width:400px;
}
.search-box input[type="search"]{
  flex:1;
  height:44px;
  padding:0 18px;
  font-size:14px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box input[type="search"]::placeholder{color:#9AA6B2;}
.search-box input[type="search"]:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(43,127,184,.15);
}
.btn-search{
  height:44px;
  padding:0 20px;
  display:inline-flex;align-items:center;gap:7px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--brand-600);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.btn-search:hover{background:var(--brand-700);transform:translateY(-1px);}
.hot-tags{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.tag-pill{
  display:inline-block;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:13px;
  line-height:1.5;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.tag-pill:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);}
.channel-nav ul{
  display:flex;
  align-items:center;
  gap:30px;
  border-top:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav ul::-webkit-scrollbar{display:none;}
.channel-nav a{
  display:block;
  padding:14px 2px 12px;
  font-size:15px;
  font-weight:500;
  color:#42505E;
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.channel-nav a:hover{color:var(--brand-600);}
.channel-nav a.active{
  color:var(--brand-700);
  font-weight:600;
  border-bottom-color:var(--brand-500);
}
@media (min-width:992px){
  .brand-row{flex-wrap:nowrap;}
  .nav-toggle{display:none!important;}
  #navPanel{width:auto;flex:1;}
}

/* ============ 通用区块 ============ */
.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section--plain{background:#fff;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;
  margin-bottom:16px;
  border-radius:var(--r-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
}
.eyebrow i{font-size:12px;}
.section-head h2{
  font-size:30px;
  color:var(--text);
  margin-bottom:14px;
}
.section-head p{
  color:var(--muted);
  font-size:16px;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:52px 0 68px;
  color:#fff;
  background-color:var(--brand-700);
  background-image:
    linear-gradient(112deg,rgba(9,34,56,.93) 0%,rgba(18,69,110,.86) 48%,rgba(43,127,184,.72) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.75);
  margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.85);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{opacity:.6;}
.hero h1{
  font-size:40px;
  font-weight:700;
  max-width:900px;
  margin-bottom:18px;
}
.hero-lead{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  margin-bottom:28px;
}
.hero-anchors{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}
.hero-anchors a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
  font-size:14px;
  transition:background .18s ease,transform .18s ease;
}
.hero-anchors a:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);color:#fff;}
.hero-note{
  display:inline-flex;
  align-items:flex-start;
  gap:10px;
  padding:14px 20px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.1);
  border-left:3px solid var(--accent-500);
  font-size:14px;
  color:rgba(255,255,255,.9);
  max-width:720px;
}
.hero-note i{color:var(--accent-500);margin-top:4px;}

/* ============ 适用情况 ============ */
.grid-cards{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;
}
.card:hover{
  transform:translateY(-3px);
  border-color:var(--brand-100);
  box-shadow:var(--sh-2);
}
.card-icon{
  width:46px;height:46px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:18px;
  margin-bottom:16px;
}
.card h3{
  font-size:17px;
  margin-bottom:10px;
}
.card p{
  font-size:15px;
  color:var(--muted);
}
.banner-figure{
  margin:0 0 44px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
}
.banner-figure img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
}
.banner-figure figcaption{
  padding:12px 20px;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line);
  background:#fff;
}

/* ============ 时间线 ============ */
.timeline{
  position:relative;
  max-width:920px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;
  top:12px;
  bottom:36px;
  width:2px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-100));
}
.tl-item{
  position:relative;
  padding:0 0 38px 78px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;
  left:0;top:2px;
  width:56px;height:56px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand-100);
  color:var(--brand-700);
  font-size:18px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.tl-item h3{
  font-size:20px;
  margin-bottom:10px;
}
.tl-item > p{
  color:var(--muted);
  font-size:15.5px;
}
.tl-points{
  margin-top:14px;
  display:grid;
  gap:8px;
}
.tl-points li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:#46535F;
}
.tl-points li i{
  position:absolute;
  left:0;top:6px;
  color:var(--teal);
  font-size:12px;
}

/* ============ 常见疑问卡组 ============ */
.q-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.q-card{
  display:flex;
  gap:18px;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.q-card:hover{
  transform:translateY(-3px);
  border-color:var(--brand-100);
  box-shadow:var(--sh-2);
}
.q-mark{
  flex:0 0 auto;
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--accent-100);
  color:var(--accent-600);
  font-size:16px;
  font-weight:700;
}
.q-card h3{
  font-size:16.5px;
  margin-bottom:8px;
}
.q-card p{
  font-size:15px;
  color:var(--muted);
}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 28px;
  box-shadow:var(--sh-1);
}
.faq .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq .accordion-item:last-child{border-bottom:0;}
.faq .accordion-button{
  display:flex;
  align-items:center;
  gap:14px;
  padding:22px 8px;
  background:transparent;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  box-shadow:none;
  border-radius:0;
}
.faq .accordion-button:not(.collapsed){
  color:var(--brand-700);
  background:var(--bg);
  box-shadow:inset 3px 0 0 var(--brand-500);
}
.faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--brand-500);}
.faq .accordion-button::after{
  margin-left:auto;
  flex:0 0 auto;
}
.faq .accordion-body{
  padding:4px 8px 24px 66px;
  font-size:15.5px;
  color:var(--muted);
}
.faq-num{
  flex:0 0 auto;
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

/* ============ CTA ============ */
.cta-band{
  padding:64px 0;
  background:
    linear-gradient(180deg,#EEF5FB 0%,#F7F9FC 100%),
    repeating-linear-gradient(90deg,rgba(43,127,184,.05) 0 1px,transparent 1px 40px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{
  font-size:26px;
  margin-bottom:10px;
}
.cta-inner p{
  color:var(--muted);
  font-size:15.5px;
  max-width:640px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  flex:0 0 auto;
}
.btn-solid,.btn-ghost,.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-solid{
  background:var(--brand-600);
  color:#fff;
  border:1px solid var(--brand-600);
}
.btn-solid:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);}
.btn-ghost{
  background:#fff;
  color:var(--brand-600);
  border:1px solid var(--brand-600);
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}
.btn-accent{
  background:var(--accent-500);
  color:#fff;
  border:1px solid var(--accent-500);
}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px);}
.cta-hint{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
}

/* ============ 页脚 ============ */
.site-footer{
  background:#0F2E48;
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.65);
  max-width:340px;
}
.qr-box{
  margin-top:18px;
  width:112px;height:112px;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  border:1px dashed rgba(255,255,255,.35);
  border-radius:var(--r-md);
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.04);
}
.site-footer h3{
  font-size:15px;
  color:#fff;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{
  display:flex;
  gap:10px;
  margin-bottom:13px;
  font-size:14px;
  color:rgba(255,255,255,.7);
}
.footer-contact i{color:var(--brand-500);margin-top:5px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:46px;height:46px;
  display:none;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:50%;
  background:var(--brand-600);
  color:#fff;
  font-size:16px;
  cursor:pointer;
  box-shadow:var(--sh-2);
  z-index:1040;
  transition:background .18s ease,transform .18s ease;
}
.to-top:hover{background:var(--brand-700);transform:translateY(-2px);}
.to-top.show{display:inline-flex;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .hero{padding:40px 0 54px;}
  .hero h1{font-size:30px;}
  .search-box{max-width:none;flex:1 1 100%;}
  .hot-tags{flex:1 1 100%;}
  .channel-nav ul{gap:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767.98px){
  .q-grid{grid-template-columns:1fr;}
  .timeline::before{left:21px;}
  .tl-item{padding-left:62px;}
  .tl-num{width:44px;height:44px;font-size:16px;}
  .faq-wrap{padding:8px 16px;}
  .faq .accordion-body{padding:0 8px 22px 8px;}
  .banner-figure img{aspect-ratio:16/9;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .hero h1{font-size:26px;}
  .hero-lead{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .grid-cards{grid-template-columns:1fr;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .btn-solid,.btn-ghost,.btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .to-top{right:16px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
}

/* roulang page: category2 */
:root{
  --brand-600:#1A5F94;
  --brand-500:#2B7FB8;
  --brand-700:#12456E;
  --brand-100:#E8F1F8;
  --accent-500:#E8873A;
  --accent-100:#FCEEDF;
  --teal-500:#17A08A;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --text:#1C2530;
  --muted:#5A6773;
  --line:#E3E9F0;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(16,42,67,.06);
  --shadow-hover:0 14px 34px rgba(16,42,67,.12);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;}
p{margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid rgba(43,127,184,.55);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-100);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:14px;letter-spacing:.4px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,42,67,.08);}
.brand-row{display:flex;align-items:center;gap:24px;padding:14px 0 12px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:block;font-size:19px;font-weight:700;line-height:1.25;}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.4;letter-spacing:.5px;}
.search-box{display:flex;align-items:center;gap:8px;flex:1 1 320px;max-width:420px;}
.search-box input{
  height:44px;width:100%;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:0 14px;font-size:15px;color:var(--text);background:#fff;transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box input::placeholder{color:#93A0AC;}
.search-box input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(43,127,184,.15);outline:none;}
.btn-search{
  height:44px;padding:0 18px;border:0;border-radius:var(--radius-md);
  background:var(--brand-600);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:background var(--ease),transform var(--ease);
}
.btn-search:hover{background:var(--brand-700);transform:translateY(-2px);}
.hot-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.hot-tags span{color:#8B98A5;}
.tag-pill{
  font-size:13px;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);border:1px solid transparent;transition:all var(--ease);
}
.tag-pill:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700);}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--radius-md);color:var(--brand-600);font-size:18px;cursor:pointer;
}
.channel-nav{border-top:1px solid var(--line);}
.channel-nav ul{display:flex;align-items:center;gap:28px;overflow-x:auto;}
.channel-nav a{
  display:inline-block;padding:14px 2px;font-size:16px;font-weight:500;color:var(--muted);
  border-bottom:2px solid transparent;white-space:nowrap;
}
.channel-nav a:hover{color:var(--brand-700);}
.channel-nav a.active{color:var(--brand-700);font-weight:600;border-bottom-color:var(--brand-500);}
@media (min-width:992px){.nav-toggle{display:none;}}
@media (max-width:991.98px){
  .brand-row{flex-wrap:wrap;gap:14px;}
  .search-box{max-width:none;flex:1 1 100%;}
  .hot-tags{flex:1 1 100%;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-brand{background:var(--brand-600);color:#fff;box-shadow:0 8px 20px rgba(26,95,148,.22);}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,69,110,.26);}
.btn-outline{background:#fff;color:var(--brand-600);border-color:#C9DCEB;}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-2px);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px rgba(232,135,58,.24);}
.btn-accent:hover{background:#D3762C;color:#fff;transform:translateY(-2px);}
.btn:disabled,.btn.is-disabled{background:#D7DEE5;color:#8B98A5;box-shadow:none;pointer-events:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:#B7C2CD;}
.breadcrumb .current{color:var(--brand-700);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.category-hero{
  position:relative;padding:36px 0 72px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F7FB 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.category-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,127,184,.14),rgba(43,127,184,0) 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;position:relative;z-index:1;}
.hero-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);background:#fff;
}
.hero-media img{width:100%;aspect-ratio:7/5;object-fit:cover;}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-500);
  background:var(--accent-100);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:16px;
}
.hero-copy h1{margin-bottom:16px;font-size:40px;line-height:1.28;}
.hero-copy h1 em{font-style:normal;color:var(--brand-600);}
.hero-lead{font-size:17px;color:var(--muted);margin-bottom:22px;max-width:620px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px;}
.hero-facts{display:flex;gap:26px;flex-wrap:wrap;padding-top:20px;border-top:1px dashed var(--line);}
.hero-facts div{font-size:14px;color:var(--muted);}
.hero-facts strong{display:block;font-size:22px;color:var(--brand-700);font-weight:700;font-variant-numeric:tabular-nums;}
.anchor-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.anchor-nav a{
  font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);color:var(--muted);
}
.anchor-nav a:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-copy h1{font-size:28px;}
  .category-hero{padding:24px 0 52px;}
}

/* ---------- 状态提示条 + 倒计时 ---------- */
.notice-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:24px;margin-top:-44px;position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.notice-band .notice-text{display:flex;align-items:flex-start;gap:14px;max-width:620px;}
.notice-band .notice-text i{color:var(--accent-500);font-size:20px;margin-top:4px;}
.notice-band .notice-text h3{font-size:17px;margin-bottom:4px;}
.notice-band .notice-text p{font-size:14px;color:var(--muted);margin:0;}
.countdown{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.countdown .cd-label{font-size:13px;color:var(--muted);}
.countdown .cd-cells{display:flex;gap:8px;}
.cd-cell{
  width:64px;padding:8px 0;border-radius:var(--radius-md);background:var(--accent-100);
  border:1px solid #F3D9BC;text-align:center;
}
.cd-cell b{display:block;font-size:22px;font-weight:700;color:#C96A21;font-variant-numeric:tabular-nums;line-height:1.2;}
.cd-cell span{font-size:12px;color:#A9703B;}
@media (max-width:767.98px){
  .notice-band{margin-top:-28px;padding:20px;}
  .cd-cell{width:56px;}
  .cd-cell b{font-size:19px;}
}

/* ---------- 日程列表 ---------- */
.schedule-list{display:flex;flex-direction:column;gap:14px;}
.schedule-row{
  display:grid;grid-template-columns:150px 1fr 116px 132px;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:all var(--ease);
}
.schedule-row:hover{transform:translateY(-3px);border-color:#CFE2F0;box-shadow:var(--shadow-hover);}
.schedule-time{font-size:15px;font-weight:600;color:var(--brand-700);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px;}
.schedule-time i{color:var(--brand-500);font-size:14px;}
.schedule-title h3{font-size:17px;margin-bottom:6px;}
.schedule-title p{font-size:14px;color:var(--muted);margin:0;}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:var(--radius-pill);white-space:nowrap;
}
.status-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;}
.status-live{background:#E4F5F1;color:#0F7E6C;}
.status-soon{background:var(--accent-100);color:#C96A21;}
.status-done{background:#EEF2F6;color:#6C7A88;}
.schedule-link{text-align:right;font-size:14px;font-weight:600;}
.schedule-link a{display:inline-flex;align-items:center;gap:6px;}
.schedule-link a:hover{text-decoration:underline;text-underline-offset:4px;}
@media (max-width:991.98px){
  .schedule-row{grid-template-columns:1fr;gap:12px;padding:20px;}
  .schedule-link{text-align:left;}
}

/* ---------- 内容卡片 / 图墙 ---------- */
.gallery{
  display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:180px;gap:20px;
}
.gallery figure{
  position:relative;margin:0;border-radius:var(--radius-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.gallery figure img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.gallery figure:hover img{transform:scale(1.02);}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 20px 16px;
  background:linear-gradient(180deg,rgba(12,32,52,0),rgba(12,32,52,.78));
  color:#fff;font-size:14px;line-height:1.6;
}
.gallery figcaption strong{display:block;font-size:16px;font-weight:600;margin-bottom:2px;}
.g-a{grid-column:span 7;grid-row:span 2;}
.g-b{grid-column:span 5;grid-row:span 1;}
.g-c{grid-column:span 5;grid-row:span 1;}
.g-d{grid-column:span 12;grid-row:span 1;}
@media (max-width:991.98px){
  .gallery{grid-auto-rows:170px;}
  .g-a,.g-b,.g-c,.g-d{grid-column:span 12;grid-row:span 1;}
}
@media (max-width:575.98px){
  .gallery{grid-auto-rows:150px;}
}

/* ---------- 热度排行 ---------- */
.rank-wrap{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-item{
  display:grid;grid-template-columns:40px 1fr auto;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 20px;box-shadow:var(--shadow-sm);transition:all var(--ease);
}
.rank-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE2F0;}
.rank-no{
  width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--brand-700);background:var(--brand-100);
}
.rank-item:nth-child(1) .rank-no{background:var(--accent-100);color:#C96A21;}
.rank-item:nth-child(2) .rank-no{background:#E4F5F1;color:#0F7E6C;}
.rank-body strong{display:block;font-size:16px;font-weight:600;}
.rank-body span{font-size:13px;color:var(--muted);}
.count-badge{
  font-size:13px;font-weight:600;color:var(--brand-700);background:#F2F7FB;
  border:1px solid var(--line);border-radius:var(--radius-pill);padding:4px 12px;white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.topic-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
}
.topic-panel h3{font-size:18px;margin-bottom:14px;}
.topic-panel p{font-size:14px;color:var(--muted);margin-bottom:18px;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:13px;padding:7px 14px;border-radius:var(--radius-pill);
  background:#F2F7FB;border:1px solid var(--line);color:var(--brand-700);transition:all var(--ease);
}
.chip:hover{background:var(--brand-100);border-color:var(--brand-500);}
.avatar-row{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);}
.avatar-row .avatars{display:flex;}
.avatar-row .avatars span{
  width:34px;height:34px;border-radius:50%;border:2px solid #fff;margin-left:-10px;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;
  background:var(--brand-500);
}
.avatar-row .avatars span:first-child{margin-left:0;}
.avatar-row .avatars span:nth-child(2){background:var(--accent-500);}
.avatar-row .avatars span:nth-child(3){background:var(--teal-500);}
.avatar-row .avatars span:nth-child(4){background:var(--brand-700);}
.avatar-row small{font-size:13px;color:var(--muted);}
@media (max-width:991.98px){.rank-wrap{grid-template-columns:1fr;gap:22px;}}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;margin:0 auto;}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-button{
  background:transparent;box-shadow:none;padding:22px 20px 22px 54px;
  font-size:17px;font-weight:600;color:var(--text);position:relative;border-radius:var(--radius-md) var(--radius-md) 0 0;
}
.accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  background-image:none;color:var(--brand-500);width:auto;height:auto;transform:none;
  transition:transform var(--ease);position:absolute;right:20px;top:50%;margin-top:-9px;
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:#F7F9FC;}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--brand-500);
}
.accordion-button:focus{box-shadow:none;}
.accordion-button .faq-no{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.accordion-body{padding:0 20px 24px 54px;color:var(--muted);font-size:15px;}
.accordion-body p{margin-bottom:10px;}
.accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#E8F1F8 0%,#F2F7FB 100%);
  border:1px solid #D5E5F1;padding:48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(43,127,184,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(43,127,184,.07) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:26px;margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:15px;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:8px;}
.cta-actions small{font-size:13px;color:#7A8896;}
@media (max-width:767.98px){
  .cta-band{padding:28px 22px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.5fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px;}
.qr-box{
  margin-top:18px;width:120px;height:120px;border-radius:var(--radius-md);
  border:1px dashed #C7D6E3;background:#F7F9FC;color:var(--muted);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;line-height:1.6;
}
.site-footer h3{font-size:16px;margin-bottom:16px;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:var(--muted);}
.footer-links a:hover{color:var(--brand-700);}
.footer-contact li{display:flex;gap:10px;color:var(--muted);align-items:flex-start;}
.footer-contact i{color:var(--brand-500);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B98A5;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--brand-600);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(26,95,148,.28);cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease);z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand-700);transform:translateY(-3px);}

@media (max-width:991.98px){
  .section{padding:64px 0;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  body{font-size:15px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
}