/* roulang page: index */
:root{
  --brand-50:#EEF6F9;--brand-100:#DCEBF1;--brand-300:#7FB6C8;--brand-500:#17839F;--brand-600:#0E6E8C;--brand-700:#0A5A72;--brand-900:#083D52;
  --accent-100:#FDEADC;--accent-500:#F2681F;--accent-600:#E2571C;
  --bg:#F5F8FA;--surface:#FFFFFF;--line:#E3EAEF;
  --ink-900:#12202A;--ink-700:#33454F;--ink-500:#6B7C8A;
  --live:#E5484D;--replay:#16A34A;--muted:#94A3B8;
  --r-card:14px;--r-img:12px;--r-btn:10px;
  --sh-sm:0 1px 2px rgba(16,40,56,.06);
  --sh-md:0 8px 24px -8px rgba(16,40,56,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink-700);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3{color:var(--ink-900);line-height:1.35;margin:0}
h1{font-weight:700;letter-spacing:-.01em}
h2{font-weight:700}
h3{font-weight:600}
::selection{background:var(--brand-100);color:var(--brand-900)}

/* 容器 */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:768px){.container-x{padding-left:24px;padding-right:24px}}
@media(min-width:1280px){.container-x{padding-left:32px;padding-right:32px}}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:#D9E8EF;font-size:13px}
.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left b{color:#fff;font-weight:600}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-right .tb-note{color:#9FB6C2}
.btn-mini{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--accent-500);color:#fff;font-size:12px;font-weight:600;text-decoration:none}
.btn-mini:hover{background:var(--accent-600);color:#fff}
@media(max-width:767px){.topbar-left{display:none}.topbar-right{width:100%;justify-content:space-between}}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);display:grid;place-items:center;color:#fff;transition:background .2s ease}
.logo:hover .logo-mark{background:var(--brand-700)}
.logo-text{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;white-space:nowrap}
.nav-tabs{display:flex;align-items:center;gap:4px;background:var(--brand-50);border:1px solid var(--line);border-radius:999px;padding:4px;max-width:100%;overflow-x:auto;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.tab{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-700);white-space:nowrap;text-decoration:none;border:1px solid transparent;transition:all .2s ease}
.tab:hover{background:#fff;color:var(--brand-700);text-decoration:none}
.tab.active{background:#fff;color:var(--brand-600);border-color:var(--brand-100);box-shadow:var(--sh-sm);font-weight:600}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:.2s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 16px 20px}
.mobile-panel.open{display:block;animation:fadeSlide .2s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.m-tab{display:block;padding:12px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-900);text-decoration:none}
.m-tab:hover{background:var(--brand-50);text-decoration:none}
.m-tab.active{background:var(--brand-50);color:var(--brand-600);font-weight:600}
.m-panel-cta{margin-top:10px}
@media(max-width:1023px){
  .nav-tabs{display:none}
  .hamburger{display:flex}
  .nav-right .btn-primary{display:none}
}
@media(min-width:1024px){.mobile-panel{display:none!important}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;transition:all .2s ease}
.btn:hover{text-decoration:none}
.btn:focus-visible{outline:2px solid rgba(23,131,159,.4);outline-offset:2px}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--sh-sm)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:rgba(14,110,140,.25);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);border-color:rgba(14,110,140,.45);color:var(--brand-700)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{background:#E6EDF1;color:#9AAAB4;border-color:#E6EDF1;cursor:not-allowed;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--brand-700);text-decoration:none}
.link-more:hover{text-decoration:none;color:var(--brand-600)}
.link-more .arw{transition:transform .2s ease}
.link-more:hover .arw{transform:translateX(2px)}

/* 图片容器 */
.media{position:relative;overflow:hidden;background:var(--brand-50);border-radius:var(--r-img)}
.media img{width:100%;height:100%;object-fit:cover}
.media.img-fallback::after{content:"mk国际体育官网";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--brand-700);letter-spacing:.06em}

/* 首屏 */
.hero-section{background:#fff;background-image:radial-gradient(rgba(14,110,140,.055) 1px,transparent 1px);background-size:22px 22px;border-bottom:1px solid var(--line);padding:40px 0 56px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-50);border:1px solid var(--brand-100);padding:5px 12px;border-radius:999px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--live);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.hero-intro h1{font-size:34px;margin:16px 0 12px;max-width:900px}
.hero-sub{font-size:16px;color:var(--ink-500);margin:0;max-width:780px}
@media(max-width:639px){.hero-intro h1{font-size:26px}.hero-sub{font-size:15px}}
.hero-grid{display:grid;gap:24px;margin-top:30px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;align-items:start}}
.hero-cover{aspect-ratio:16/9;border-radius:var(--r-img);box-shadow:var(--sh-sm)}
@media(max-width:639px){.hero-cover{aspect-ratio:4/3}}
.status-badge{position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;color:#fff;letter-spacing:.02em}
.badge-soon{background:var(--brand-600)}
.badge-live{background:var(--live)}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.4s infinite}
.badge-replay{background:var(--muted)}
.cover-strip{position:absolute;left:14px;right:14px;bottom:14px;display:flex;flex-wrap:wrap;gap:6px 18px;background:rgba(8,61,82,.86);color:#EAF3F7;font-size:13px;padding:10px 14px;border-radius:10px}
.cover-strip span{display:inline-flex;align-items:center;gap:6px}
.hero-side{display:grid;gap:20px}
.count-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm)}
.count-label{font-size:14px;font-weight:600;color:var(--ink-500);margin:0 0 14px}
.count-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.count-box{border:1px solid var(--line);border-radius:10px;padding:12px 4px;text-align:center;background:#fff}
.count-num{display:block;font-size:28px;font-weight:700;color:var(--accent-500);line-height:1.1;font-variant-numeric:tabular-nums}
.count-unit{display:block;font-size:12px;font-weight:500;color:var(--ink-500);margin-top:6px}
.count-sec{animation:breathe 1s infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.62}}
.count-note{margin:14px 0 0;font-size:13px;color:var(--ink-500)}
.subscribe-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm)}
.subscribe-card h2{font-size:17px;margin-bottom:4px}
.sub-tip{font-size:13px;color:var(--ink-500);margin:0 0 14px}
.sub-form{display:grid;gap:10px}
.phone-field{display:flex;align-items:center;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;overflow:hidden;transition:.2s ease}
.phone-field:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,131,159,.12)}
.phone-prefix{display:flex;align-items:center;height:100%;padding:0 12px;font-size:15px;color:var(--ink-500);border-right:1px solid var(--line)}
.phone-field input{flex:1;height:100%;border:0;outline:0;padding:0 14px;font-size:15px;color:var(--ink-900);background:transparent}
.phone-field input::placeholder{color:#9AAAB4}
.form-note{font-size:12px;color:var(--ink-500);margin:0;line-height:1.6}
.form-msg{font-size:13px;color:var(--replay);margin:0;display:none}
.form-msg.show{display:block}
.hero-bottom{display:grid;gap:24px;margin-top:24px}
@media(min-width:768px){.hero-bottom{grid-template-columns:1fr 1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.panel-head h2{font-size:20px}
.watch-list{list-style:none;margin:0;padding:0}
.watch-item{display:flex;gap:14px;padding:12px 10px;border-left:3px solid transparent;border-radius:8px;transition:.2s ease}
.watch-item:hover{background:var(--brand-50);border-left-color:var(--brand-500)}
.watch-num{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:600;display:grid;place-items:center;transition:.2s ease}
.watch-item:hover .watch-num{background:var(--brand-600);color:#fff}
.watch-body h3{font-size:16px;margin-bottom:2px}
.watch-body p{font-size:13px;color:var(--ink-500);margin:0;line-height:1.6}
.replay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:639px){.replay-grid{grid-template-columns:1fr}}
.replay-item{position:relative;display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;text-decoration:none;transition:.25s ease}
.replay-item:hover{text-decoration:none;box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--brand-300)}
.replay-item .media{aspect-ratio:16/10;border-radius:0}
.replay-item .r-title{display:block;padding:10px 12px;font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.5}
.r-tag{position:absolute;top:8px;left:8px;background:var(--muted);color:#fff;font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px}

/* 数据条带 */
.stats-band{background:#fff;border-bottom:1px solid var(--line)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}
.stat{padding:2px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{display:block;font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{display:block;font-size:13px;color:var(--ink-500);margin-top:4px}
@media(max-width:767px){.stats-row{grid-template-columns:repeat(2,1fr);gap:22px 0}.stat{padding:2px 16px}.stat:nth-child(odd){border-left:0;padding-left:0}}

/* 通用板块 */
.section{padding:52px 0}
@media(min-width:1024px){.section{padding:76px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:26px;margin-bottom:6px}
@media(max-width:639px){.section-head h2{font-size:22px}}
.section-sub{font-size:14px;color:var(--ink-500);margin:0}

/* CMS 最新信息 */
.cms-grid{display:grid;gap:24px}
@media(min-width:1024px){.cms-grid{grid-template-columns:7fr 5fr;align-items:start}}
.news-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);transition:.25s ease}
.news-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.news-cover{aspect-ratio:16/9;border-radius:0}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.chip-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-700);background:var(--brand-50);border:1px solid var(--brand-100);padding:3px 10px;border-radius:999px}
.news-title{font-size:20px}
.news-title a{color:inherit;text-decoration:none}
.news-title a:hover{color:var(--brand-600);text-decoration:none}
.news-sum{font-size:14px;color:var(--ink-500);margin:0;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line)}
.news-time{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.mini-list{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm)}
.mini-item{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);transition:.2s ease}
.mini-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:.2s ease}
.mini-item:last-child{border-bottom:0}
.mini-item:hover{background:var(--brand-50)}
.mini-item:hover::before{background:var(--brand-500)}
.mini-time{font-size:13px;color:var(--ink-500);white-space:nowrap;font-variant-numeric:tabular-nums}
.mini-title{font-size:15px;font-weight:600;color:var(--ink-900);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-title:hover{color:var(--brand-600);text-decoration:none}
.mini-cat{font-size:12px;color:var(--ink-500);background:var(--bg);border:1px solid var(--line);padding:2px 8px;border-radius:999px;white-space:nowrap}
@media(max-width:639px){.mini-item{grid-template-columns:1fr;gap:4px}.mini-title{white-space:normal}}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:48px 20px;text-align:center}
.empty-state svg{color:var(--muted);margin:0 auto 12px}
.empty-state p{font-size:15px;color:var(--ink-500);margin:0 0 16px}

/* 长图文 + 标签 */
.feature-wrap{display:grid;gap:28px}
@media(min-width:1024px){.feature-wrap{grid-template-columns:8fr 4fr;align-items:start}}
.feature-item{display:grid;grid-template-columns:220px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-sm);transition:.25s ease;margin-bottom:16px}
.feature-item:last-child{margin-bottom:0}
.feature-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.feature-item .media{aspect-ratio:4/3}
@media(max-width:767px){.feature-item{grid-template-columns:1fr}}
.feature-body h3{font-size:18px;margin-bottom:8px}
.feature-body h3 a{color:inherit;text-decoration:none}
.feature-body h3 a:hover{color:var(--brand-600);text-decoration:none}
.feature-body p{font-size:14px;color:var(--ink-500);margin:0 0 12px;line-height:1.75}
.feature-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-500)}
.aside-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm)}
.aside-box h2{font-size:18px;margin-bottom:6px}
.aside-box p{font-size:13px;color:var(--ink-500);margin:0 0 16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-700);text-decoration:none;transition:.2s ease}
.tag:hover{border-color:var(--brand-300);background:var(--brand-50);color:var(--brand-700);text-decoration:none}
.tag.hot{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.tag.hot:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* 观赛服务 */
.service-grid{display:grid;gap:20px}
@media(min-width:640px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.service-grid{grid-template-columns:repeat(4,1fr)}}
.service-item{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:22px;transition:.25s ease}
.service-item:hover{border-style:solid;border-color:var(--brand-300);box-shadow:var(--sh-sm);transform:translateY(-2px)}
.service-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;margin-bottom:14px}
.service-item h3{font-size:17px;margin-bottom:8px}
.service-item p{font-size:14px;color:var(--ink-500);margin:0;line-height:1.7}

/* FAQ */
.faq-grid{display:grid;gap:12px}
@media(min-width:768px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}}
.faq-col{display:grid;gap:12px}
@media(min-width:768px){.faq-col{gap:16px}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item:hover{border-color:var(--brand-300)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer}
.faq-q:focus-visible{outline:2px solid rgba(23,131,159,.4);outline-offset:-2px}
.faq-icon{position:relative;flex-shrink:0;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-icon::before{left:5px;top:10px;width:12px;height:2px}
.faq-icon::after{left:10px;top:5px;width:2px;height:12px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{margin:0;padding:14px 20px 18px;font-size:15px;line-height:1.8;color:var(--ink-700);border-top:1px dashed var(--line)}

/* 转化带 */
.cta-band{background:var(--brand-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;margin-bottom:8px}
.cta-inner p{font-size:14px;color:var(--ink-700);margin:0;max-width:640px}
@media(max-width:639px){.cta-inner h2{font-size:21px}}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#C6D2DA;font-size:14px;padding-top:56px}
.footer-grid{display:grid;gap:28px;padding-bottom:36px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:12px}
.footer-brand p{margin:0;color:#9FB2BD;line-height:1.8;max-width:340px}
.site-footer h2{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{color:#C6D2DA;text-decoration:none;font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-sub{display:flex;gap:8px;margin-bottom:10px}
.footer-sub input{flex:1;min-width:0;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 12px;font-size:14px;outline:0;transition:.2s ease}
.footer-sub input::placeholder{color:#8FA3AE}
.footer-sub input:focus{border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(127,182,200,.18)}
.footer-sub-btn{height:42px;padding:0 16px;border-radius:10px;border:0;background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:.2s ease}
.footer-sub-btn:hover{background:var(--brand-700)}
.footer-note{font-size:12px;color:#8FA3AE;margin:0 0 6px;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8FA3AE}
.footer-bottom p{margin:0}
.footer-bottom a{color:#9FB2BD;text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* 返回顶部 */
.to-top{position:fixed;right:20px;bottom:24px;z-index:40;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--brand-700);display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-md);opacity:0;pointer-events:none;transition:.25s ease}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff}

/* roulang page: article */
:root{
    --brand-50:#EEF6F9; --brand-100:#DCEBF1; --brand-300:#7FB6C8; --brand-500:#17839F;
    --brand-600:#0E6E8C; --brand-700:#0A5A72; --brand-900:#083D52;
    --accent-100:#FDEADC; --accent-500:#F2681F; --accent-600:#E2571C;
    --bg:#F5F8FA; --surface:#FFFFFF; --line:#E3EAEF;
    --ink-900:#12202A; --ink-700:#33454F; --ink-500:#6B7C8A;
    --live:#E5484D; --replay:#16A34A; --muted:#94A3B8;
    --paper:#FBF9F4;
    --r-card:14px; --r-img:12px; --r-btn:10px;
    --sh-sm:0 1px 2px rgba(16,40,56,.06);
    --sh-md:0 8px 24px -8px rgba(16,40,56,.12);
    --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }
  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0; font-family:var(--font); font-size:16px; line-height:1.75;
    color:var(--ink-700); background:var(--bg);
    background-image:repeating-linear-gradient(0deg, rgba(16,40,56,.012) 0 1px, transparent 1px 4px);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{ margin:0; color:var(--ink-900); line-height:1.35; font-weight:600; }
  p{ margin:0; }
  a{ color:var(--brand-700); text-decoration:none; transition:color .2s ease, border-color .2s ease, background-color .2s ease; }
  a:hover{ color:var(--brand-600); }
  img{ max-width:100%; display:block; }
  button{ font-family:inherit; }
  input,button,textarea{ font-size:inherit; }
  ul,ol{ margin:0; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding:0 16px; }
  @media (min-width:768px){ .container-x{ padding:0 24px; } }
  @media (min-width:1024px){ .container-x{ padding:0 32px; } }

  /* ============ 导航 ============ */
  .site-header{ position:sticky; top:0; z-index:50; background:var(--surface); border-bottom:1px solid var(--line); transition:box-shadow .25s ease; }
  .site-header.scrolled{ box-shadow:var(--sh-sm); }
  .header-inner{ display:flex; align-items:center; gap:18px; min-height:68px; }
  .brand{ display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink-900); flex:0 0 auto; }
  .brand-text{ font-size:17px; font-weight:700; letter-spacing:.2px; white-space:nowrap; }
  .logo-mark{
    width:34px; height:34px; border-radius:10px; display:grid; place-items:center; color:#fff;
    background:linear-gradient(135deg,var(--brand-600),var(--brand-500)); box-shadow:var(--sh-sm); flex:0 0 auto;
  }
  .nav-tabs{
    display:flex; align-items:center; gap:4px; padding:4px; border-radius:12px;
    background:#F1F5F8; border:1px solid var(--line); overflow-x:auto; scrollbar-width:none; max-width:100%;
  }
  .nav-tabs::-webkit-scrollbar{ display:none; }
  .tab{
    display:inline-flex; align-items:center; height:34px; padding:0 14px; border-radius:9px;
    font-size:14px; font-weight:500; color:var(--ink-700); white-space:nowrap; border:1px solid transparent;
    transition:background-color .2s ease, color .2s ease, border-color .2s ease;
  }
  .tab:hover{ color:var(--brand-700); background:rgba(255,255,255,.72); }
  .tab.active{ background:#fff; color:var(--brand-600); border-color:var(--line); box-shadow:var(--sh-sm); font-weight:600; }
  .header-actions{ margin-left:auto; display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .nav-toggle{
    display:none; width:44px; height:44px; border-radius:var(--r-btn); border:1px solid var(--line);
    background:#fff; color:var(--brand-700); cursor:pointer; align-items:center; justify-content:center;
  }
  .nav-toggle:hover{ background:var(--brand-50); }
  .mobile-panel{ display:none; border-top:1px solid var(--line); background:#fff; padding:10px 16px 16px; }
  .mobile-panel.open{ display:block; animation:fadeIn .2s ease; }
  .mobile-panel a{
    display:flex; align-items:center; min-height:46px; padding:0 12px; border-radius:10px;
    color:var(--ink-700); font-size:15px; border:1px solid transparent;
  }
  .mobile-panel a:hover{ background:var(--brand-50); color:var(--brand-700); }
  .mobile-panel a.active{ background:var(--brand-50); color:var(--brand-700); font-weight:600; border-color:var(--brand-100); }
  @keyframes fadeIn{ from{ opacity:0; transform:translateY(-4px);} to{ opacity:1; transform:none;} }
  @media (max-width:1023px){
    .nav-tabs{ display:none; }
    .nav-toggle{ display:inline-flex; }
  }
  @media (max-width:519px){ .brand-text{ font-size:15px; } .header-cta{ display:none; } }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    min-height:44px; padding:0 20px; border-radius:var(--r-btn); border:1px solid transparent;
    font-size:15px; font-weight:600; cursor:pointer; white-space:nowrap;
    transition:background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .12s ease;
  }
  .btn:focus-visible{ outline:none; box-shadow:0 0 0 3px rgba(23,131,159,.28); }
  .btn:active{ transform:translateY(1px); }
  .btn-primary{ background:var(--brand-600); color:#fff; }
  .btn-primary:hover{ background:var(--brand-700); color:#fff; box-shadow:var(--sh-sm); }
  .btn-accent{ background:var(--accent-500); color:#fff; }
  .btn-accent:hover{ background:var(--accent-600); color:#fff; }
  .btn-ghost{ background:#fff; color:var(--brand-700); border-color:rgba(14,110,140,.25); border-width:1.5px; }
  .btn-ghost:hover{ background:var(--brand-50); border-color:rgba(14,110,140,.5); color:var(--brand-700); }
  .btn-text{ display:inline-flex; align-items:center; gap:6px; color:var(--brand-700); font-size:14px; font-weight:600; background:none; border:0; cursor:pointer; padding:6px 0; }
  .btn-text .arrow{ transition:transform .2s ease; }
  .btn-text:hover .arrow{ transform:translateX(2px); }
  .btn-sm{ min-height:38px; padding:0 16px; font-size:14px; }

  /* ============ 面包屑 ============ */
  .crumb-bar{ padding:20px 0 6px; }
  .breadcrumb{ display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-500); overflow:hidden; }
  .breadcrumb a{ color:var(--ink-500); }
  .breadcrumb a:hover{ color:var(--brand-700); }
  .breadcrumb .sep{ color:var(--brand-300); }
  .breadcrumb .current{ color:var(--ink-700); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:52%; }

  /* ============ 文章布局 ============ */
  .article-shell{ padding:18px 0 0; }
  .article-grid{ display:grid; grid-template-columns:minmax(0,1fr); gap:40px; }
  @media (min-width:1024px){
    .article-grid{ grid-template-columns:minmax(0,1fr) 320px; gap:56px; }
  }
  .article-main{ min-width:0; max-width:824px; margin:0 auto; }
  .article-head{ padding-bottom:20px; border-bottom:1px solid var(--line); }
  .cat-badge{
    display:inline-flex; align-items:center; gap:6px; height:26px; padding:0 12px; border-radius:999px;
    background:var(--brand-50); color:var(--brand-700); border:1px solid var(--brand-100);
    font-size:12px; font-weight:600;
  }
  .cat-badge::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--brand-500); }
  .article-title{ font-size:26px; font-weight:700; line-height:1.35; margin:14px 0 16px; }
  @media (min-width:768px){ .article-title{ font-size:34px; } }
  .article-meta{ display:flex; align-items:center; flex-wrap:wrap; gap:10px; font-size:14px; color:var(--ink-500); font-variant-numeric:tabular-nums; }
  .article-meta .dot{ width:4px; height:4px; border-radius:50%; background:var(--brand-300); }
  .article-meta strong{ color:var(--ink-700); font-weight:600; }

  .article-body{ font-size:17px; line-height:1.9; color:var(--ink-700); padding-top:26px; }
  .article-body p{ margin:0 0 1em; }
  .article-body h2{
    font-size:22px; font-weight:600; color:var(--ink-900); margin:40px 0 16px;
    padding-left:14px; border-left:3px solid var(--brand-600); line-height:1.4;
  }
  .article-body h3{ font-size:18px; font-weight:600; color:var(--ink-900); margin:28px 0 12px; }
  .article-body h4{ font-size:16px; font-weight:600; color:var(--ink-900); margin:22px 0 10px; }
  .article-body ul,.article-body ol{ margin:0 0 1em; padding-left:24px; }
  .article-body li{ margin:.35em 0; line-height:1.85; }
  .article-body li::marker{ color:var(--brand-500); }
  .article-body strong{ color:var(--ink-900); font-weight:600; }
  .article-body a{ color:var(--brand-700); border-bottom:1px solid rgba(10,90,114,.35); }
  .article-body a:hover{ border-bottom-color:var(--brand-700); }
  .article-body blockquote{
    margin:24px 0; padding:16px 20px; background:var(--brand-50);
    border-left:3px solid var(--brand-600); border-radius:0 12px 12px 0; color:var(--brand-900);
  }
  .article-body blockquote p:last-child{ margin-bottom:0; }
  .article-body img{ width:auto; max-width:100%; height:auto; border-radius:var(--r-img); border:1px solid var(--line); margin:24px auto; }
  .article-body figure{ margin:24px 0; }
  .article-body figcaption{ font-size:13px; color:var(--ink-500); text-align:center; margin-top:10px; }
  .article-body table{ width:100%; border-collapse:collapse; margin:24px 0; font-size:15px; }
  .article-body th,.article-body td{ border:1px solid var(--line); padding:10px 14px; text-align:left; }
  .article-body thead th{ background:var(--brand-50); color:var(--ink-900); font-weight:600; }
  .article-body tbody tr:nth-child(even){ background:#FAFCFD; }
  .article-body hr{ border:0; border-top:1px dashed var(--line); margin:32px 0; }
  .article-body code{ background:var(--brand-50); color:var(--brand-900); padding:2px 6px; border-radius:6px; font-size:14px; }

  .empty-state{
    display:flex; flex-direction:column; align-items:center; gap:14px; text-align:center;
    padding:56px 20px; background:#fff; border:1px dashed var(--line); border-radius:var(--r-card);
  }
  .empty-state .empty-icon{ width:52px; height:52px; border-radius:14px; display:grid; place-items:center; background:var(--brand-50); color:var(--brand-500); }
  .empty-state p{ font-size:16px; color:var(--ink-700); }

  /* ============ 文末 ============ */
  .tag-row{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-top:36px; padding-top:22px; border-top:1px dashed var(--line); }
  .tag-row .tag-label{ font-size:13px; color:var(--ink-500); font-weight:600; }
  .chip{
    display:inline-flex; align-items:center; height:30px; padding:0 14px; border-radius:999px;
    background:var(--brand-50); color:var(--brand-700); font-size:13px; font-weight:500; border:1px solid var(--brand-100);
    transition:background-color .2s ease, color .2s ease;
  }
  .chip:hover{ background:var(--brand-100); color:var(--brand-900); }

  .next-prev{ display:grid; grid-template-columns:1fr; gap:14px; margin-top:26px; }
  @media (min-width:768px){ .next-prev{ grid-template-columns:1fr 1fr; } }
  .np-card{
    display:flex; flex-direction:column; gap:8px; padding:18px 20px; background:#fff;
    border:1px solid var(--line); border-radius:var(--r-card); box-shadow:var(--sh-sm);
    transition:box-shadow .25s ease, transform .25s ease, border-color .2s ease;
  }
  .np-card:hover{ box-shadow:var(--sh-md); transform:translateY(-2px); border-color:var(--brand-100); }
  .np-card .np-kicker{ font-size:12px; font-weight:600; color:var(--brand-600); letter-spacing:.4px; }
  .np-card .np-title{ font-size:16px; font-weight:600; color:var(--ink-900); }
  .np-card .np-desc{ font-size:13px; color:var(--ink-500); line-height:1.7; }

  .related{ margin-top:44px; }
  .related-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; padding-bottom:14px; border-bottom:1px solid var(--line); }
  .related-head h2{ font-size:20px; font-weight:600; }
  .related-head p{ font-size:13px; color:var(--ink-500); margin-top:6px; }
  .related-grid{ display:grid; grid-template-columns:1fr; gap:20px; margin-top:22px; }
  @media (min-width:640px){ .related-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
  @media (min-width:1024px){ .related-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
  .mini-card{
    display:flex; flex-direction:column; background:#fff; border:1px solid var(--line);
    border-radius:var(--r-card); overflow:hidden; box-shadow:var(--sh-sm);
    transition:box-shadow .25s ease, transform .25s ease, border-color .2s ease;
  }
  .mini-card:hover{ box-shadow:var(--sh-md); transform:translateY(-2px); border-color:var(--brand-100); }
  .mini-card .thumb{ position:relative; aspect-ratio:16/10; background:var(--brand-50); overflow:hidden; }
  .mini-card .thumb img{ width:100%; height:100%; object-fit:cover; }
  .mini-card .thumb .ph{
    position:absolute; inset:0; display:none; place-items:center; color:var(--brand-700);
    font-size:15px; font-weight:600; letter-spacing:1px; background:var(--brand-50);
  }
  .mini-card .thumb.is-fallback img{ display:none; }
  .mini-card .thumb.is-fallback .ph{ display:grid; }
  .mini-card .body{ padding:18px 20px 20px; display:flex; flex-direction:column; gap:10px; flex:1; }
  .mini-card h3{ font-size:16px; font-weight:600; line-height:1.5; }
  .mini-card .desc{ font-size:13px; color:var(--ink-500); line-height:1.7; }
  .mini-card .foot{ margin-top:auto; display:flex; align-items:center; justify-content:space-between; font-size:12px; color:var(--muted); font-variant-numeric:tabular-nums; }

  /* ============ 侧栏 ============ */
  .article-side{ display:none; }
  @media (min-width:1024px){ .article-side{ display:block; } }
  .side-inner{ position:sticky; top:92px; }
  .side-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
    padding:18px 20px 20px; box-shadow:var(--sh-sm);
  }
  .side-card + .side-card{ margin-top:20px; }
  .side-title{
    display:flex; align-items:center; gap:8px; font-size:14px; font-weight:600; color:var(--ink-900);
    padding-bottom:12px; border-bottom:1px dashed var(--line); margin-bottom:12px;
  }
  .side-title::before{ content:""; width:3px; height:14px; border-radius:2px; background:var(--brand-600); }
  .toc-list a{
    display:block; font-size:14px; color:var(--ink-700); padding:7px 10px; margin-bottom:2px;
    border-left:2px solid var(--line); border-radius:0 8px 8px 0; line-height:1.6;
  }
  .toc-list a.lvl-3{ padding-left:22px; font-size:13px; color:var(--ink-500); }
  .toc-list a:hover{ background:var(--brand-50); border-left-color:var(--brand-500); color:var(--brand-700); }
  .toc-empty{ font-size:13px; color:var(--ink-500); line-height:1.7; }
  .side-list{ list-style:none; padding:0; margin:0; }
  .side-list li{ border-bottom:1px dashed var(--line); }
  .side-list li:last-child{ border-bottom:0; }
  .side-list a{ display:block; padding:11px 0; font-size:14px; color:var(--ink-700); line-height:1.65; }
  .side-list a:hover{ color:var(--brand-700); }
  .side-list .meta{ display:block; font-size:12px; color:var(--muted); margin-top:4px; font-variant-numeric:tabular-nums; }

  .sub-form{ display:flex; flex-direction:column; gap:10px; }
  .sub-form .field{ display:flex; align-items:center; border:1px solid var(--line); border-radius:var(--r-btn); background:#fff; height:48px; overflow:hidden; transition:border-color .2s ease, box-shadow .2s ease; }
  .sub-form .field:focus-within{ border-color:var(--brand-500); box-shadow:0 0 0 3px rgba(23,131,159,.12); }
  .sub-form .prefix{ padding:0 10px 0 14px; font-size:14px; color:var(--ink-500); border-right:1px solid var(--line); height:24px; display:flex; align-items:center; }
  .sub-form input{ flex:1; min-width:0; height:100%; border:0; outline:none; padding:0 14px; font-size:15px; color:var(--ink-900); background:transparent; }
  .sub-form input::placeholder{ color:var(--muted); }
  .sub-form .btn{ width:100%; }
  .form-note{ font-size:12px; color:var(--ink-500); line-height:1.7; margin-top:10px; }
  .form-msg{ font-size:12px; color:var(--live); margin-top:8px; min-height:16px; }

  /* ============ 底部转化带 ============ */
  .cta-band{
    margin:64px auto 0; background:linear-gradient(180deg,var(--brand-50),#F7FBFC);
    border:1px solid var(--brand-100); border-radius:var(--r-card); padding:28px 24px;
    display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
  }
  .cta-band h2{ font-size:20px; font-weight:600; }
  .cta-band p{ font-size:14px; color:var(--ink-500); margin-top:8px; }
  .cta-actions{ display:flex; gap:12px; flex-wrap:wrap; }

  /* ============ 页脚 ============ */
  .site-footer{ margin-top:80px; background:var(--ink-900); color:#fff; padding-top:56px; }
  .footer-grid{ display:grid; grid-template-columns:1fr; gap:32px; padding-bottom:40px; }
  @media (min-width:640px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
  @media (min-width:1024px){ .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px; } }
  .footer-logo{ display:flex; align-items:center; gap:10px; font-size:17px; font-weight:700; color:#fff; }
  .footer-brand p{ margin-top:14px; font-size:14px; line-height:1.8; color:rgba(255,255,255,.7); max-width:340px; }
  .site-footer h2{ font-size:14px; font-weight:600; color:#fff; margin-bottom:14px; }
  .footer-links{ list-style:none; padding:0; margin:0; }
  .footer-links li{ margin-bottom:10px; }
  .footer-links a{ font-size:14px; color:rgba(255,255,255,.72); }
  .footer-links a:hover{ color:#fff; }
  .footer-sub{ display:flex; gap:8px; }
  .footer-sub input{
    flex:1; min-width:0; height:42px; padding:0 12px; border-radius:var(--r-btn);
    border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.08); color:#fff; font-size:14px; outline:none;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .footer-sub input::placeholder{ color:rgba(255,255,255,.5); }
  .footer-sub input:focus{ border-color:var(--brand-300); box-shadow:0 0 0 3px rgba(127,182,200,.2); }
  .footer-sub-btn{
    height:42px; padding:0 16px; border:0; border-radius:var(--r-btn); background:var(--brand-500);
    color:#fff; font-size:14px; font-weight:600; cursor:pointer; transition:background-color .2s ease;
  }
  .footer-sub-btn:hover{ background:var(--brand-600); }
  .footer-note{ font-size:12px; line-height:1.7; color:rgba(255,255,255,.55); margin-top:10px; }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12); padding:18px 0 24px;
    display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    font-size:13px; color:rgba(255,255,255,.6);
  }
  .footer-bottom a{ color:rgba(255,255,255,.78); }
  .footer-bottom a:hover{ color:#fff; }

  .to-top{
    position:fixed; right:18px; bottom:22px; width:46px; height:46px; z-index:60;
    display:grid; place-items:center; border:0; border-radius:12px; cursor:pointer;
    background:var(--brand-600); color:#fff; box-shadow:var(--sh-md);
    opacity:0; pointer-events:none; transform:translateY(8px);
    transition:opacity .25s ease, transform .25s ease, background-color .2s ease;
  }
  .to-top.show{ opacity:1; pointer-events:auto; transform:none; }
  .to-top:hover{ background:var(--brand-700); }
  .to-top:focus-visible{ outline:none; box-shadow:0 0 0 3px rgba(23,131,159,.35); }

/* roulang page: category1 */
:root{
  --brand-50:#EEF6F9;--brand-100:#DCEBF1;--brand-300:#7FB6C8;--brand-500:#17839F;
  --brand-600:#0E6E8C;--brand-700:#0A5A72;--brand-900:#083D52;
  --accent-100:#FDEADC;--accent-500:#F2681F;--accent-600:#E2571C;
  --ink-900:#12202A;--ink-700:#33454F;--ink-500:#6B7C8A;
  --bg:#F5F8FA;--surface:#FFFFFF;--line:#E3EAEF;
  --live:#E5484D;--replay:#16A34A;--muted:#94A3B8;
  --radius-card:14px;--radius-img:12px;--radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,40,56,.06);
  --shadow-md:0 8px 24px -8px rgba(16,40,56,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(14,110,140,.05) 1px, transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600);text-decoration:underline}
button{font-family:inherit}
:focus-visible{outline:2px solid rgba(23,131,159,.5);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container-x{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px}}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:#D6E5EC;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;padding-top:4px;padding-bottom:4px}
.topbar-note{display:flex;align-items:center;gap:8px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note .pulse{width:7px;height:7px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 rgba(229,72,77,.7);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(229,72,77,.55)}70%{box-shadow:0 0 0 8px rgba(229,72,77,0)}100%{box-shadow:0 0 0 0 rgba(229,72,77,0)}}
.topbar-actions{display:flex;align-items:center;gap:14px}
.topbar-link{color:#C4D6DF;font-size:13px}
.topbar-link:hover{color:#fff;text-decoration:none}
@media (max-width:767px){.topbar-actions .topbar-link{display:none}}

/* 头部与分段标签导航 */
.header-bar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.header-bar.is-stuck{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:68px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink-900);white-space:nowrap;letter-spacing:.01em}
.brand:hover{text-decoration:none;color:var(--ink-900)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);display:grid;place-items:center;color:#fff;box-shadow:0 2px 0 rgba(8,61,82,.25);flex:0 0 auto}
.nav-tabs{display:none}
@media (min-width:1024px){
  .nav-tabs{display:flex;align-items:center;gap:2px;margin:0 auto;padding:4px;background:var(--bg);border:1px solid var(--line);border-radius:999px}
  .tab{display:inline-flex;align-items:center;height:34px;padding:0 12px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--ink-700);white-space:nowrap;transition:all .2s ease;border:1px solid transparent}
  .tab:hover{background:#fff;color:var(--brand-700);text-decoration:none}
  .tab.active{background:#fff;color:var(--brand-700);border-color:var(--brand-100);box-shadow:var(--shadow-sm);font-weight:600}
}
@media (min-width:1280px){.tab{padding:0 15px;font-size:14px}}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.header-cta{margin-left:0}}
.hamburger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-900);cursor:pointer}
@media (min-width:1024px){.hamburger{display:none}}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 18px}
.mobile-panel.open{display:block;animation:fadeSlide .2s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.mobile-nav{display:grid;gap:6px}
.mobile-nav a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--ink-700);border:1px solid transparent}
.mobile-nav a:hover{background:var(--brand-50);text-decoration:none}
.mobile-nav a.active{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700);font-weight:600}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;white-space:nowrap}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 3px 0 rgba(8,61,82,.22)}
.btn-primary:hover{background:var(--brand-700);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 0 rgba(8,61,82,.22),0 8px 18px -10px rgba(8,61,82,.5)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 3px 0 rgba(226,87,28,.28)}
.btn-accent:hover{background:var(--accent-600);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 0 rgba(226,87,28,.28),0 8px 18px -10px rgba(226,87,28,.5)}
.btn-ghost{background:#fff;border-color:rgba(14,110,140,.28);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-600);color:var(--brand-700);text-decoration:none}
.btn:active{transform:translateY(2px);box-shadow:none}
.btn-xs{height:34px;padding:0 14px;font-size:13px;box-shadow:none}
.btn-xs:hover{transform:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);background:none;border:none;padding:0;cursor:pointer}
.btn-link .arrow{transition:transform .2s ease}
.btn-link:hover{text-decoration:none;color:var(--brand-600)}
.btn-link:hover .arrow{transform:translateX(3px)}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.02em}
.badge-preview{background:var(--brand-600);color:#fff}
.badge-replay{background:var(--replay);color:#fff}
.badge-live{background:var(--live);color:#fff}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.8s infinite}
.badge-soft{background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100)}
.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;border:1px dashed var(--brand-300);background:#fff;color:var(--brand-700);font-size:13px;font-weight:500}
.chip:hover{background:var(--brand-50);text-decoration:none}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-500);margin:0 0 14px;padding:0;list-style:none}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:var(--muted)}
.crumb .now{color:var(--ink-700);font-weight:500}

/* Hero */
.cat-hero{padding:36px 0 8px}
.hero-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.hero-title{margin:0;font-size:26px;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
@media (min-width:768px){.hero-title{font-size:30px}}
@media (min-width:1024px){.hero-title{font-size:34px}}
.hero-sub{margin:14px 0 0;font-size:15.5px;color:var(--ink-700);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-meta{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin:22px 0 0;padding:0;font-size:13.5px;color:var(--ink-500)}
.hero-meta li{display:flex;align-items:center;gap:7px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300)}
.hero-figure{position:relative;margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:var(--brand-50);box-shadow:var(--shadow-md)}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure .badge{position:absolute;left:16px;top:16px}
.hero-figure figcaption{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(8,61,82,.82);color:#EAF4F8;border-radius:10px;padding:10px 14px;font-size:13px;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between}
.hero-figure figcaption span{display:flex;align-items:center;gap:7px}

/* 板块 */
.section{padding:48px 0}
@media (min-width:1024px){.section{padding:72px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:26px}
.section-title{margin:0;font-size:22px;font-weight:600;color:var(--ink-900);line-height:1.35}
@media (min-width:1024px){.section-title{font-size:26px}}
.section-desc{margin:8px 0 0;font-size:14.5px;color:var(--ink-500)}
.rule{height:0;border-top:1px dashed var(--line);margin:0}

/* 侧边索引 + 卡片网格 */
.layout-index{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:1024px){.layout-index{grid-template-columns:230px minmax(0,1fr);gap:32px}}
.side-index{display:none}
@media (min-width:1024px){
  .side-index{display:block;position:sticky;top:92px;align-self:start}
}
.side-index-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:20px}
.side-title{margin:0 0 12px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-500)}
.side-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:2px;counter-reset:idx}
.side-list a{display:flex;align-items:center;gap:10px;min-height:40px;padding:0 10px;border-radius:9px;font-size:14px;color:var(--ink-700)}
.side-list a::before{counter-increment:idx;content:counter(idx,decimal-leading-zero);font-size:11.5px;color:var(--brand-500);font-weight:600;font-variant-numeric:tabular-nums}
.side-list a:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none}
.side-note{border-top:1px dashed var(--line);padding-top:16px;font-size:13px;color:var(--ink-500)}
.side-note strong{display:block;color:var(--ink-900);font-size:14px;font-weight:600;margin-bottom:6px}

.cat-intro{margin:0 0 22px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-500);border-radius:0 var(--radius-card) var(--radius-card) 0;font-size:14.5px;color:var(--ink-700);box-shadow:var(--shadow-sm)}

.preview-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-100)}
.card-cover-wrap{position:relative;background:var(--brand-50)}
.card-cover{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-cover-wrap .badge{position:absolute;left:12px;top:12px}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{margin:0;font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{margin:0;font-size:14px;color:var(--ink-700);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-500)}
.card-foot .time{font-variant-numeric:tabular-nums}
.card-foot a{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px}
.card-foot a .arrow{transition:transform .2s ease}
.card:hover .card-foot a .arrow{transform:translateX(3px)}

/* 场景分区（横向条目） */
.scene-list{display:grid;gap:0;border-top:1px solid var(--line)}
.scene{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:24px 0;border-bottom:1px dashed var(--line);transition:background-color .2s ease}
.scene:hover{background:rgba(238,246,249,.7)}
.scene-no{font-size:22px;font-weight:700;color:var(--brand-300);font-variant-numeric:tabular-nums;line-height:1.2}
@media (min-width:768px){.scene{grid-template-columns:80px minmax(0,1fr) 260px;align-items:start;gap:24px}}
.scene h3{margin:0 0 8px;font-size:18px;font-weight:600;color:var(--ink-900)}
.scene p{margin:0;font-size:14.5px;color:var(--ink-700)}
.scene-tag{justify-self:start;align-self:center}
@media (min-width:768px){.scene-tag{justify-self:end}}

/* 流程 */
.flow{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){.flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-sm)}
.flow-step .num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:12px}
.flow-step h3{margin:0 0 8px;font-size:16.5px;font-weight:600;color:var(--ink-900)}
.flow-step p{margin:0;font-size:14px;color:var(--ink-500)}

/* 表单卡 */
.sub-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:20px}
.sub-card h3{margin:0 0 6px;font-size:16px;font-weight:600;color:var(--ink-900)}
.sub-card p{margin:0 0 14px;font-size:13.5px;color:var(--ink-500)}
.field{display:flex;align-items:center;height:48px;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.field:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,131,159,.12)}
.field .prefix{display:flex;align-items:center;height:100%;padding:0 12px;background:var(--bg);border-right:1px solid var(--line);font-size:14px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.field input{flex:1;height:100%;border:none;outline:none;padding:0 14px;font-size:15px;color:var(--ink-900);background:transparent;min-width:0}
.sub-actions{display:flex;gap:10px;margin-top:12px}
.sub-actions .btn{flex:1}
.form-note{margin:12px 0 0;font-size:12px;color:var(--ink-500);line-height:1.7}
.form-msg{margin:8px 0 0;font-size:12.5px;color:var(--brand-700);min-height:18px}
.form-msg.err{color:var(--live)}

/* FAQ */
.faq-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:1024px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
.faq-col{display:grid;gap:14px;align-content:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:var(--brand-100);box-shadow:var(--shadow-sm)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 18px;background:none;border:none;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5}
.faq-q:hover{background:var(--brand-50)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;transform:translate(-50%,-50%);transition:transform .25s ease}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:14px 18px 18px;border-top:1px dashed var(--line);font-size:15px;line-height:1.8;color:var(--ink-700)}

/* CTA 带 */
.cta-band{background:var(--brand-50);border:1px solid var(--brand-100);border-radius:var(--radius-card);padding:28px 24px;display:grid;gap:18px}
@media (min-width:768px){.cta-band{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:34px 36px;gap:32px}}
.cta-band h2{margin:0;font-size:21px;font-weight:700;color:var(--ink-900)}
@media (min-width:1024px){.cta-band h2{font-size:25px}}
.cta-band p{margin:8px 0 0;font-size:14.5px;color:var(--ink-700)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 相关入口 */
.rel-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rel-item{display:flex;flex-direction:column;gap:6px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;color:var(--ink-900)}
.rel-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-100);text-decoration:none;color:var(--brand-700)}
.rel-item strong{font-size:15.5px;font-weight:600}
.rel-item span{font-size:13px;color:var(--ink-500)}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#C7D3DA;margin-top:72px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;padding-top:56px;padding-bottom:40px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.8;color:#9FB0BA;max-width:330px}
.site-footer h2{margin:0 0 14px;font-size:14px;font-weight:600;color:#fff}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{color:#C7D3DA;font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-sub{display:flex;gap:8px}
.footer-sub input{flex:1;min-width:0;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 12px;font-size:14px;outline:none}
.footer-sub input::placeholder{color:#8A9BA6}
.footer-sub input:focus{border-color:var(--brand-300)}
.footer-sub-btn{height:44px;padding:0 16px;border-radius:10px;border:none;background:var(--brand-500);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s ease}
.footer-sub-btn:hover{background:var(--brand-600)}
.footer-note{margin:10px 0 0;font-size:13px;color:#8A9BA6;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;padding-bottom:26px;font-size:13px;color:#8A9BA6}
.footer-bottom p{margin:0}
.footer-bottom a{color:#8A9BA6}
.footer-bottom a:hover{color:#fff;text-decoration:none}

/* 返回顶部 */
.to-top{position:fixed;right:18px;bottom:22px;z-index:60;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-700);display:grid;place-items:center;box-shadow:var(--shadow-md);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease}
.to-top.show{opacity:1;pointer-events:auto;transform:none}

/* 图片占位降级 */
.img-fallback{background:var(--brand-50);display:grid;place-items:center;color:var(--brand-600);font-size:13px;font-weight:600;letter-spacing:.06em}

/* roulang page: category2 */
:root{
  --brand-50:#EEF6F9; --brand-100:#DCEBF1; --brand-300:#7FB6C8; --brand-500:#17839F;
  --brand-600:#0E6E8C; --brand-700:#0A5A72; --brand-900:#083D52;
  --accent-100:#FDEADC; --accent-500:#F2681F; --accent-600:#E2571C;
  --bg:#F5F8FA; --surface:#FFFFFF; --line:#E3EAEF;
  --ink-900:#12202A; --ink-700:#33454F; --ink-500:#6B7C8A;
  --live:#E5484D; --replay:#16A34A; --muted:#94A3B8;
  --radius-card:14px; --radius-img:12px; --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,40,56,.06);
  --shadow-md:0 8px 24px -8px rgba(16,40,56,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .25s ease}
a:hover{text-decoration:underline}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(23,131,159,.45);outline-offset:2px}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
@media(min-width:768px){.container-x{padding:0 24px}}
@media(min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:#D7E6EC;font-size:13px}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px}
.topbar .tb-left{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:none}
.topbar .tb-right{display:flex;align-items:center;gap:14px;flex:none}
.topbar a{color:#D7E6EC}
.topbar a:hover{color:#fff;text-decoration:none}
.topbar .tb-cta{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  padding:4px 12px;border-radius:999px;font-weight:500;font-size:12px;
}
.topbar .tb-cta:hover{background:rgba(255,255,255,.2)}
@media(max-width:640px){.topbar .tb-right .hide-sm{display:none}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:var(--shadow-sm)}
.nav-wrap{display:flex;align-items:center;gap:16px;min-height:64px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.2px;flex:none}
.brand:hover{text-decoration:none;color:var(--brand-700)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);display:grid;place-items:center;color:#fff;flex:none;box-shadow:var(--shadow-sm)}
.nav-tabs{display:none}
.nav-tabs::-webkit-scrollbar{display:none}
.tab{
  padding:8px 13px;border-radius:9px;font-size:14px;font-weight:500;color:var(--ink-700);
  white-space:nowrap;transition:all .2s ease;border:1px solid transparent;
}
.tab:hover{color:var(--brand-700);background:rgba(255,255,255,.75);text-decoration:none}
.tab.active{background:#fff;color:var(--brand-600);border-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.menu-btn{
  width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-700);cursor:pointer;transition:all .2s ease;
}
.menu-btn:hover{border-color:var(--brand-300);background:var(--brand-50)}
@media(min-width:1024px){
  .nav-tabs{
    display:flex;align-items:center;gap:4px;flex:1;min-width:0;overflow-x:auto;
    background:#F1F5F8;border:1px solid var(--line);border-radius:12px;padding:4px;
  }
  .menu-btn{display:none}
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-panel.open{display:block;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.mobile-panel ul{padding:8px 16px 16px}
.mobile-panel li a{display:block;padding:12px 14px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;color:var(--ink-700);min-height:44px}
.mobile-panel li a:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none}
.mobile-panel li a.active{background:var(--brand-50);color:var(--brand-600);border:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-sm);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:rgba(14,110,140,.25)}
.btn-ghost:hover{background:var(--brand-50);border-color:rgba(14,110,140,.5);color:var(--brand-700)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-accent:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{background:#E6ECEF;color:var(--muted);border-color:transparent;cursor:not-allowed;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.link-more svg{transition:transform .25s ease}
.link-more:hover{text-decoration:none;color:var(--brand-600)}
.link-more:hover svg{transform:translateX(2px)}

/* ---------- 页头背景带 ---------- */
.page-hero{
  background:linear-gradient(rgba(238,246,249,.94),rgba(238,246,249,.87)),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:36px 0 38px;
}
@media(min-width:1024px){.page-hero{padding:52px 0 56px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--brand-300)}
.breadcrumb .cur{color:var(--ink-700);font-weight:500}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;box-shadow:var(--shadow-sm)}
.page-hero h1{font-size:26px;line-height:1.35;font-weight:700;color:var(--ink-900);margin:18px 0 12px;letter-spacing:.2px}
@media(min-width:1024px){.page-hero h1{font-size:34px}}
.hero-sub{font-size:16px;color:var(--ink-700);max-width:720px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:500;padding:5px 12px;border-radius:999px;background:#fff;color:var(--brand-700);border:1px solid var(--line)}
.tag.solid{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0}
@media(min-width:1024px){.section{padding:76px 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:22px;line-height:1.35;font-weight:700;color:var(--ink-900)}
@media(min-width:1024px){.section-head h2{font-size:26px}}
.section-head .desc{font-size:14px;color:var(--ink-500);margin-top:8px;max-width:640px}
.h2-bar{width:36px;height:3px;border-radius:2px;background:var(--brand-600);margin-bottom:14px}

/* ---------- 速览维度 ---------- */
.dims{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.dims-grid{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:768px){.dims-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.dims-grid{grid-template-columns:repeat(4,1fr)}}
.dim{padding:24px 0;border-top:1px solid var(--line)}
@media(min-width:768px){
  .dim{padding:26px 24px;border-top:0;border-left:1px solid var(--line)}
  .dim:nth-child(odd){border-left:0}
  .dim:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(min-width:1024px){
  .dim{border-top:0 !important;border-left:1px solid var(--line)}
  .dim:first-child{border-left:0}
}
.dim .idx{font-size:13px;font-weight:600;color:var(--brand-300);font-variant-numeric:tabular-nums;letter-spacing:.5px}
.dim h3{font-size:18px;font-weight:600;color:var(--ink-900);margin:8px 0 6px}
.dim p{font-size:14px;line-height:1.75;color:var(--ink-500)}

/* ---------- 交错条目 ---------- */
.entry-list{display:flex;flex-direction:column;gap:28px}
@media(min-width:1024px){.entry-list{gap:44px}}
.entry{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease;
}
.entry:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
@media(min-width:1024px){.entry{padding:28px}}
.entry-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:center}
@media(min-width:900px){.entry-grid{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:36px}}
.entry-media{position:relative;overflow:hidden;border-radius:var(--radius-img);background:var(--brand-50);aspect-ratio:16/10}
.entry-media img{width:100%;height:100%;object-fit:cover}
.entry-media.is-fallback img{display:none}
.entry-media.is-fallback::after{
  content:'mk国际体育官网 · 体育资讯速览';position:absolute;inset:0;display:grid;place-items:center;
  color:var(--brand-700);font-size:14px;font-weight:600;text-align:center;padding:12px;
}
@media(min-width:900px){
  .entry:nth-child(even) .entry-media{order:2}
  .entry:nth-child(even) .entry-body{order:1}
}
.entry-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:28px;padding:0 10px;
  border-radius:8px;background:var(--brand-50);color:var(--brand-600);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.entry-body h3{font-size:18px;font-weight:600;color:var(--ink-900);margin:12px 0 10px;line-height:1.45}
.entry-body p{font-size:15px;line-height:1.85;color:var(--ink-700)}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-500)}
.entry-meta .cat{background:var(--brand-50);color:var(--brand-700);border-radius:999px;padding:3px 11px;font-weight:500}
.entry-meta .time{font-variant-numeric:tabular-nums}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.entry-tags span{font-size:12px;font-weight:500;color:var(--ink-500);border:1px solid var(--line);border-radius:999px;padding:4px 11px;background:#fff}

/* ---------- 标签云 + 短讯 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.split{grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:start}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm)}
.panel h3{font-size:18px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.panel .panel-sub{font-size:13px;color:var(--ink-500);margin-bottom:16px}
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:500;
  border:1px solid var(--brand-100);transition:all .2s ease;
}
.chip:hover{background:var(--brand-600);color:#fff;border-color:var(--brand-600);text-decoration:none}
.brief-list{display:flex;flex-direction:column}
.brief{display:flex;gap:12px;padding:14px 12px;border-radius:10px;border-left:3px solid var(--brand-500);background:#fff;transition:background .25s ease}
.brief + .brief{margin-top:10px}
.brief:hover{background:var(--brand-50)}
.brief .bt{font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5}
.brief .bd{font-size:13px;color:var(--ink-500);margin-top:4px}
.brief .bdate{font-size:12px;color:var(--muted);margin-top:6px;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:18px;align-items:start}}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;min-height:56px;background:#fff;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-btn:hover{background:var(--brand-50)}
.faq-btn .sign{flex:none;width:22px;height:22px;color:var(--brand-600);transition:transform .25s ease;display:grid;place-items:center}
.faq.open .faq-btn .sign{transform:rotate(180deg)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-body-inner{padding:0 20px 18px;border-top:1px dashed var(--line);margin-top:0;padding-top:14px;font-size:15px;line-height:1.8;color:var(--ink-700)}

/* ---------- CTA 带 ---------- */
.cta-band{background:linear-gradient(180deg,#F7FBFD 0%,var(--brand-50) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-inner{display:flex;flex-direction:column;gap:20px;padding:40px 0}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 0}}
.cta-inner h2{font-size:22px;font-weight:700;color:var(--ink-900);line-height:1.4}
@media(min-width:1024px){.cta-inner h2{font-size:26px}}
.cta-inner p{font-size:14px;color:var(--ink-500);margin-top:8px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 相关入口 ---------- */
.related{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.related{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.related{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;
  box-shadow:var(--shadow-sm);transition:all .25s ease;
}
.rel-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none;border-color:var(--brand-100)}
.rel-card .rc-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.rel-card h3{font-size:17px;font-weight:600;color:var(--ink-900)}
.rel-card p{font-size:14px;color:var(--ink-500);margin-top:10px;line-height:1.75}
.rel-card .arrow{color:var(--brand-600);font-size:14px;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#C6D4DC;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:44px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 40px}}
.site-footer h2{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:14px;color:#9FB4BF;max-width:340px}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:#9FB4BF}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-sub{display:flex;gap:8px;margin-bottom:12px}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:#8AA0AB}
.footer-sub input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,131,159,.18)}
.footer-sub-btn{
  height:44px;padding:0 18px;border:0;border-radius:var(--radius-btn);background:var(--accent-500);
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .25s ease;
}
.footer-sub-btn:hover{background:var(--accent-600)}
.footer-note{font-size:12px;color:#8AA0AB;line-height:1.7}
.footer-note + .footer-note{margin-top:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:#8AA0AB;
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{color:#9FB4BF}
.footer-bottom a:hover{color:#fff;text-decoration:none}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transition:all .25s ease;z-index:40;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--brand-50)}

/* roulang page: category3 */
:root{
    --brand-50:#EEF6F9; --brand-100:#DCEBF1; --brand-300:#7FB6C8;
    --brand-500:#17839F; --brand-600:#0E6E8C; --brand-700:#0A5A72; --brand-900:#083D52;
    --accent-100:#FDEADC; --accent-500:#F2681F; --accent-600:#E2571C;
    --bg:#F5F8FA; --surface:#FFFFFF; --line:#E3EAEF;
    --ink-900:#12202A; --ink-700:#33454F; --ink-500:#6B7C8A;
    --live:#E5484D; --replay:#16A34A; --muted:#94A3B8;
    --r-card:14px; --r-img:12px; --r-btn:10px;
    --card-sm:0 1px 2px rgba(16,40,56,.06);
    --card-md:0 8px 24px -8px rgba(16,40,56,.12);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--ink-700);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;line-height:1.75;font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.35;font-weight:600}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
  a:hover{text-decoration:underline}
  .tab,.btn,.brand,.footer-links a,.topbar-cta,.topbar-link,.entry-card,.footer-logo,.tl-link{text-decoration:none !important}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
  @media (min-width:768px){.container-x{padding-left:24px;padding-right:24px}}
  @media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px}}
  .section{padding-top:56px;padding-bottom:56px}
  @media (min-width:1024px){.section{padding-top:80px;padding-bottom:80px}}
  .section-title{font-size:26px;font-weight:600;letter-spacing:-.2px}
  @media (max-width:767px){.section-title{font-size:22px}}
  .section-sub{font-size:15px;color:var(--ink-500);margin-top:8px;max-width:760px}
  .divider-dash{height:0;border-top:1px dashed var(--line)}

  /* 顶部信息条 */
  .topbar{background:var(--brand-900);color:#D7E7EE;font-size:13px}
  .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}
  .topbar-note{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .dot-live{width:7px;height:7px;border-radius:50%;background:var(--accent-500);flex:none;box-shadow:0 0 0 3px rgba(242,104,31,.22)}
  .topbar-actions{display:flex;align-items:center;gap:14px;flex:none}
  .topbar-link{color:#C4DCE6;font-size:13px}
  .topbar-link:hover{color:#fff;text-decoration:none}
  .topbar-cta{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;font-size:13px;font-weight:500}
  .topbar-cta:hover{background:rgba(255,255,255,.22);color:#fff;text-decoration:none}
  @media (max-width:767px){.topbar-link{display:none}.topbar-note{font-size:12px}}

  /* 头部与分段标签导航 */
  .site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-header.is-scrolled{box-shadow:var(--card-sm)}
  .header-inner{display:flex;align-items:center;gap:20px;height:64px}
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand-600);display:grid;place-items:center;color:#fff;flex:none}
  .brand-text{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px;white-space:nowrap}
  .nav-tabs{display:flex;gap:4px;background:#F1F5F8;border:1px solid var(--line);border-radius:999px;padding:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
  .nav-tabs::-webkit-scrollbar{display:none}
  .tab{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-700);white-space:nowrap;transition:all .2s ease;border:1px solid transparent}
  .tab:hover{background:#fff;color:var(--brand-700);box-shadow:var(--card-sm)}
  .tab.active{background:#fff;color:var(--brand-700);font-weight:600;border-color:var(--line);box-shadow:var(--card-sm)}
  .header-actions{display:flex;align-items:center;gap:10px;flex:none}
  .burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
  .burger span{display:block;width:18px;height:2px;background:var(--ink-700);border-radius:2px;position:relative;transition:.2s}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-700);border-radius:2px;transition:.2s}
  .burger span::before{top:-6px}.burger span::after{top:6px}
  .burger.is-open span{background:transparent}
  .burger.is-open span::before{top:0;transform:rotate(45deg)}
  .burger.is-open span::after{top:0;transform:rotate(-45deg)}
  .mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 16px 18px}
  .mobile-drawer.open{display:block;animation:fadeIn .2s ease}
  @keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
  .drawer-link{display:block;padding:12px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-700)}
  .drawer-link:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none}
  .drawer-link.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
  @media (max-width:1023px){.nav-tabs{display:none}.burger{display:flex}.header-inner{gap:12px}.header-cta{display:none}}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap}
  .btn:focus-visible{outline:2px solid rgba(23,131,159,.45);outline-offset:2px}
  .btn-sm{height:38px;font-size:14px;padding:0 14px}
  .btn-primary{background:var(--brand-600);color:#fff}
  .btn-primary:hover{background:var(--brand-700);color:#fff;box-shadow:var(--card-sm);text-decoration:none}
  .btn-primary:active{transform:translateY(1px)}
  .btn-accent{background:var(--accent-500);color:#fff}
  .btn-accent:hover{background:var(--accent-600);color:#fff;box-shadow:var(--card-sm);text-decoration:none}
  .btn-accent:active{transform:translateY(1px)}
  .btn-ghost{background:#fff;border-color:rgba(14,110,140,.25);color:var(--brand-700)}
  .btn-ghost:hover{background:var(--brand-50);border-color:rgba(14,110,140,.5);color:var(--brand-700);text-decoration:none}
  .btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:14px}
  .btn-text svg{transition:transform .2s ease}
  .btn-text:hover{text-decoration:none;color:var(--brand-600)}
  .btn-text:hover svg{transform:translateX(2px)}
  .btn:disabled{background:#E9EEF1;color:var(--muted);cursor:not-allowed;border-color:transparent}

  /* 徽章与标签 */
  .badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1}
  .badge-brand{background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100)}
  .badge-accent{background:var(--accent-100);color:var(--accent-600)}
  .badge-live{background:var(--live);color:#fff}
  .badge-replay{background:rgba(22,163,74,.12);color:var(--replay)}
  .badge-muted{background:#EEF2F5;color:var(--ink-500)}
  .chip{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-700);font-size:14px;font-weight:500;transition:all .2s ease;white-space:nowrap}
  .chip:hover{border-color:var(--brand-300);color:var(--brand-700);box-shadow:var(--card-sm);text-decoration:none}
  .chip.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}
  .date-strip{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;scroll-snap-type:x proximity}
  .date-strip .chip{scroll-snap-align:start}

  /* 面包屑 */
  .breadcrumb{font-size:13px;color:var(--ink-500);display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:20px}
  .breadcrumb a{color:var(--ink-500)}
  .breadcrumb a:hover{color:var(--brand-700)}
  .breadcrumb .sep{color:var(--muted)}
  .breadcrumb .current{color:var(--brand-700);font-weight:500}

  /* 页头横幅 */
  .hero-band{position:relative;overflow:hidden;border-radius:var(--r-card);border:1.5px solid var(--line);background:#fff;margin-top:16px}
  .hero-band::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    opacity:.5;
  }
  .hero-band::after{content:"";position:absolute;inset:0;background:rgba(14,110,140,.06)}
  .hero-inner{position:relative;z-index:2;display:grid;gap:24px;padding:28px 22px}
  @media (min-width:1024px){.hero-inner{grid-template-columns:1.6fr 1fr;padding:44px 40px;gap:40px;align-items:center}}
  .hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.85);border:1px solid var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:600}
  .hero-title{font-size:34px;font-weight:700;letter-spacing:-.6px;margin-top:14px}
  @media (max-width:767px){.hero-title{font-size:26px}}
  .hero-desc{font-size:16px;color:var(--ink-700);margin-top:14px;max-width:620px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .hero-note-card{background:rgba(255,255,255,.92);border:1.5px dashed var(--brand-300);border-radius:var(--r-card);padding:20px}
  .hero-note-card h2{font-size:15px;font-weight:600;color:var(--brand-700);display:flex;align-items:center;gap:8px}
  .hero-note-list{margin-top:12px;display:grid;gap:10px}
  .hero-note-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-700)}
  .hero-note-list li strong{color:var(--ink-900);font-weight:600;flex:none}

  /* 数据条带 */
  .stat-strip{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:28px}
  @media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
  .stat-cell{padding:22px 8px 22px 0;display:flex;flex-direction:column;gap:4px}
  @media (min-width:640px){.stat-cell{padding:24px 20px}}
  .stat-cell + .stat-cell{border-left:1px solid var(--line);padding-left:18px}
  @media (max-width:639px){.stat-cell + .stat-cell{padding-left:16px}}
  .stat-cell strong{font-size:28px;font-weight:700;color:var(--brand-600);line-height:1.1;font-variant-numeric:tabular-nums}
  .stat-cell span{font-size:13px;color:var(--ink-500)}

  /* 时间轴主体 */
  .timeline-wrap{margin-top:26px;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-card);box-shadow:4px 4px 0 0 var(--brand-100);padding:6px 20px}
  @media (min-width:1024px){.timeline-wrap{padding:10px 32px}}
  .tl-group{padding:22px 0 8px;border-top:1px dashed var(--line)}
  .tl-group:first-child{border-top:0;padding-top:12px}
  .tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .tl-head .bar{width:4px;height:20px;border-radius:3px;background:var(--brand-500);flex:none}
  .tl-head h3{font-size:18px;font-weight:600}
  .tl-head .tl-head-note{font-size:13px;color:var(--ink-500)}
  .tl-row{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);align-items:start}
  @media (min-width:768px){.tl-row{grid-template-columns:96px 1fr;gap:24px;padding:18px 0}}
  .tl-row:last-child{border-bottom:0}
  .tl-time{font-size:18px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;letter-spacing:-.3px}
  @media (max-width:767px){.tl-time{font-size:16px}}
  .tl-time span{display:block;font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:0;margin-top:2px}
  .tl-body{min-width:0}
  .tl-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .tl-title{font-size:16px;font-weight:600;color:var(--ink-900)}
  .tl-desc{font-size:14px;color:var(--ink-500);margin-top:6px}
  .tl-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px;font-size:13px;color:var(--ink-500)}
  .tl-meta b{color:var(--ink-700);font-weight:500}
  .tl-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
  .tl-link{font-size:13px;color:var(--brand-700);font-weight:600;display:inline-flex;align-items:center;gap:6px}

  /* 赛果回顾 */
  .result-grid{display:grid;gap:16px;margin-top:26px}
  @media (min-width:1024px){.result-grid{grid-template-columns:repeat(2,1fr)}}
  .result-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--card-sm);padding:20px;transition:box-shadow .25s ease,transform .25s ease}
  .result-card:hover{box-shadow:var(--card-md);transform:translateY(-2px)}
  .result-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .result-time{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
  .result-title{font-size:16px;font-weight:600;color:var(--ink-900);margin-top:10px}
  .result-desc{font-size:14px;color:var(--ink-500);margin-top:8px}
  .result-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}

  /* 流程 */
  .flow{display:grid;gap:16px;margin-top:26px}
  @media (min-width:768px){.flow{grid-template-columns:repeat(3,1fr);gap:24px}}
  .flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;position:relative}
  .flow-item .step-no{width:34px;height:34px;border-radius:999px;background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700);font-weight:700;display:grid;place-items:center;font-size:14px;font-variant-numeric:tabular-nums}
  .flow-item h3{font-size:16px;margin-top:14px}
  .flow-item p{font-size:14px;color:var(--ink-500);margin-top:8px}

  /* FAQ */
  .faq-grid{display:grid;gap:14px;margin-top:26px}
  @media (min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:16px 24px;align-items:start}}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item.open{border-color:var(--brand-300);box-shadow:var(--card-sm)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 18px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900)}
  .faq-q:hover{color:var(--brand-700)}
  .faq-q:focus-visible{outline:2px solid rgba(23,131,159,.45);outline-offset:-2px}
  .faq-icon{width:22px;height:22px;flex:none;border-radius:999px;border:1px solid var(--line);position:relative;transition:transform .25s ease}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px}
  .faq-icon::before{width:10px;height:2px;top:9px;left:5px}
  .faq-icon::after{width:2px;height:10px;top:5px;left:9px;transition:opacity .2s ease}
  .faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--brand-300)}
  .faq-item.open .faq-icon::after{opacity:0}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
  .faq-item.open .faq-a{grid-template-rows:1fr}
  .faq-a > div{overflow:hidden}
  .faq-a-inner{padding:0 18px 18px;font-size:15px;line-height:1.8;color:var(--ink-700);border-top:1px dashed var(--line);margin-top:0;padding-top:14px}

  /* 相关入口卡片 */
  .entry-grid{display:grid;gap:16px;margin-top:26px}
  @media (min-width:640px){.entry-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.entry-grid{grid-template-columns:repeat(4,1fr)}}
  .entry-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--card-sm);transition:box-shadow .25s ease,transform .25s ease}
  .entry-card:hover{box-shadow:var(--card-md);transform:translateY(-2px);text-decoration:none}
  .entry-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
  .entry-thumb img{width:100%;height:100%;object-fit:cover}
  .entry-body{padding:18px}
  .entry-body h3{font-size:16px;font-weight:600;color:var(--ink-900)}
  .entry-body p{font-size:13px;color:var(--ink-500);margin-top:8px}

  /* 转化带 */
  .cta-band{margin-top:8px;background:var(--brand-50);border:1.5px dashed var(--brand-300);border-radius:var(--r-card);padding:26px 22px;display:grid;gap:18px}
  @media (min-width:1024px){.cta-band{grid-template-columns:1.4fr 1fr;align-items:center;padding:34px 40px}}
  .cta-band h2{font-size:24px}
  .cta-band p{font-size:15px;color:var(--ink-700);margin-top:10px;max-width:640px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* 表单 */
  .field-row{display:flex;gap:10px;flex-wrap:wrap}
  .field{height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:15px;color:var(--ink-900);background:#fff;flex:1 1 220px;min-width:0}
  .field:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,131,159,.12)}
  .field-hint{font-size:12px;color:var(--ink-500);margin-top:10px}
  .field-err{font-size:12px;color:var(--live);margin-top:8px;display:none}
  .field-err.show{display:block}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:#C9D6DE;margin-top:64px}
  .footer-grid{display:grid;gap:32px;padding:48px 16px 20px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 32px 24px}}
  .footer-brand p{font-size:14px;color:#9FB3BF;margin-top:14px;max-width:320px;line-height:1.8}
  .footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;letter-spacing:-.2px}
  .site-footer h2{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
  .footer-links li + li{margin-top:10px}
  .footer-links a{font-size:14px;color:#A9BDC8}
  .footer-links a:hover{color:#fff;text-decoration:none}
  .footer-sub{display:flex;gap:8px;margin-bottom:12px}
  .footer-sub input{height:44px;flex:1;min-width:0;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:var(--r-btn);padding:0 12px;color:#fff;font-size:14px}
  .footer-sub input::placeholder{color:#8CA3B0}
  .footer-sub input:focus{outline:none;border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(127,182,200,.18)}
  .footer-sub-btn{height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);background:var(--brand-500);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease}
  .footer-sub-btn:hover{background:var(--brand-600)}
  .footer-note{font-size:12px;color:#8CA3B0;line-height:1.7}
  .footer-note + .footer-note{margin-top:6px}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;padding:18px 16px 26px;font-size:13px;color:#8CA3B0}
  @media (min-width:1024px){.footer-bottom{padding:18px 32px 26px}}
  .footer-bottom a{color:#A9BDC8}
  .footer-bottom a:hover{color:#fff;text-decoration:none}

  /* 返回顶部 */
  .to-top{position:fixed;right:18px;bottom:22px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--brand-700);display:grid;place-items:center;cursor:pointer;box-shadow:var(--card-md);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s ease;z-index:60}
  .to-top.show{opacity:1;visibility:visible;transform:none}
  .to-top:hover{background:var(--brand-50)}

  @media (max-width:767px){.section{padding-top:44px;padding-bottom:44px}}

/* roulang page: category4 */
:root{
  --brand-50:#EEF6F9; --brand-100:#DCEBF1; --brand-300:#7FB6C8; --brand-500:#17839F;
  --brand-600:#0E6E8C; --brand-700:#0A5A72; --brand-900:#083D52;
  --accent-100:#FDEADC; --accent-500:#F2681F; --accent-600:#E2571C;
  --ink-900:#12202A; --ink-700:#33454F; --ink-500:#6B7C8A;
  --line:#E3EAEF; --surface:#FFFFFF; --canvas:#F5F8FA;
  --live:#E5484D; --replay:#16A34A; --muted:#94A3B8;
  --radius-card:14px; --radius-pic:12px; --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,40,56,.06);
  --shadow-md:0 8px 24px -8px rgba(16,40,56,.12);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; padding:0; background:var(--canvas); color:var(--ink-700);
  font-family:var(--font-cn); font-size:16px; line-height:1.75;
  font-variant-numeric:tabular-nums; letter-spacing:.01em;
}
img{max-width:100%; display:block; height:auto}
a{color:var(--brand-700); text-decoration:none; transition:color .2s ease}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0; color:var(--ink-900); font-weight:700; line-height:1.35}
p{margin:0}
ul,ol{margin:0; padding:0; list-style:none}
button{font-family:inherit; cursor:pointer; border:0; background:none; color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid rgba(23,131,159,.45); outline-offset:2px; border-radius:6px}
.container-x{width:100%; max-width:1200px; margin:0 auto; padding-left:16px; padding-right:16px}

/* ---------- 顶部信息条 ---------- */
.top-strip{background:var(--brand-900); color:#D8E8EF; font-size:13px; line-height:1.6}
.top-strip .container-x{display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:38px; flex-wrap:wrap; padding-top:6px; padding-bottom:6px}
.top-strip .dot{display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--accent-500); margin-right:8px; vertical-align:middle}
.top-strip .strip-right{display:flex; align-items:center; gap:18px}
.top-strip a{color:#BFDCE6}
.top-strip a:hover{color:#fff; text-decoration:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky; top:0; z-index:50; background:var(--surface); border-bottom:1px solid var(--line); transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex; align-items:center; gap:20px; min-height:var(--header-h)}
.brand{display:flex; align-items:center; gap:10px; flex:0 0 auto; color:var(--ink-900)}
.brand:hover{text-decoration:none}
.brand .logo-mark{width:36px; height:36px; border-radius:10px; background:var(--brand-600); color:#fff; display:grid; place-items:center; box-shadow:var(--shadow-sm)}
.brand-name{font-size:17px; font-weight:700; letter-spacing:.01em; white-space:nowrap}
.nav-tabs{
  display:flex; align-items:center; gap:4px; flex:1 1 auto; min-width:0;
  background:var(--canvas); border:1px solid var(--line); border-radius:999px; padding:4px;
  overflow-x:auto; scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto; padding:8px 14px; border-radius:999px; font-size:14px; font-weight:500;
  color:var(--ink-700); white-space:nowrap; border:1px solid transparent; transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tab:hover{background:var(--brand-50); color:var(--brand-700); text-decoration:none}
.tab.active{background:var(--surface); color:var(--brand-600); font-weight:600; border-color:var(--brand-100); box-shadow:var(--shadow-sm)}
.header-actions{display:flex; align-items:center; gap:10px; flex:0 0 auto}
.menu-btn{width:44px; height:44px; border-radius:12px; border:1px solid var(--line); display:none; place-items:center; color:var(--ink-700); background:var(--surface)}
.menu-btn:hover{background:var(--brand-50); color:var(--brand-700)}
.mobile-panel{display:none; border-top:1px solid var(--line); background:var(--surface); padding:12px 16px 18px}
.mobile-panel.open{display:block; animation:fadeIn .2s ease}
.mobile-panel a{display:block; padding:12px 14px; border-radius:12px; font-size:15px; color:var(--ink-700); border:1px solid transparent}
.mobile-panel a:hover{background:var(--brand-50); text-decoration:none}
.mobile-panel a.active{background:var(--brand-50); color:var(--brand-600); font-weight:600; border-color:var(--brand-100)}
@keyframes fadeIn{from{opacity:0; transform:translateY(-4px)}to{opacity:1; transform:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:44px; padding:0 20px; border-radius:var(--radius-btn);
  font-size:15px; font-weight:600; border:1.5px solid transparent;
  transition:background .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease,transform .12s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand-600); color:#fff}
.btn-primary:hover{background:var(--brand-700); box-shadow:var(--shadow-sm); color:#fff}
.btn-accent{background:var(--accent-500); color:#fff}
.btn-accent:hover{background:var(--accent-600); box-shadow:var(--shadow-sm); color:#fff}
.btn-ghost{background:var(--surface); color:var(--brand-700); border-color:rgba(14,110,140,.25)}
.btn-ghost:hover{background:var(--brand-50); border-color:rgba(14,110,140,.5); color:var(--brand-700)}
.btn-sm{min-height:38px; padding:0 16px; font-size:14px}
.btn-text{display:inline-flex; align-items:center; gap:6px; color:var(--brand-700); font-weight:600; font-size:15px; padding:6px 0}
.btn-text .arrow{transition:transform .2s ease}
.btn-text:hover{text-decoration:none; color:var(--brand-600)}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn[disabled],.btn:disabled{background:#E8EDF1; color:var(--muted); cursor:not-allowed; box-shadow:none}

/* ---------- 页头 ---------- */
.page-head{position:relative; overflow:hidden; border-bottom:1px solid var(--line)}
.page-head-bg{position:absolute; inset:0; background-image:url('/assets/images/backpic/back-2.webp'); background-size:cover; background-position:center; opacity:.9}
.page-head-mask{position:absolute; inset:0; background:linear-gradient(90deg, rgba(8,61,82,.94) 0%, rgba(14,110,140,.86) 52%, rgba(14,110,140,.62) 100%)}
.page-head-inner{position:relative; padding:52px 0 44px; color:#fff}
.crumbs{font-size:13px; color:#BFDCE6; margin-bottom:16px}
.crumbs a{color:#BFDCE6}
.crumbs a:hover{color:#fff; text-decoration:none}
.crumbs .sep{margin:0 8px; color:rgba(255,255,255,.45)}
.page-head h1{color:#fff; font-size:34px; font-weight:700; letter-spacing:.01em}
.page-head h1 .brand-part{color:#9FD3E2; font-weight:500; font-size:22px; display:block; margin-top:6px; letter-spacing:.04em}
.page-head .lede{margin-top:14px; max-width:760px; font-size:15px; line-height:1.85; color:#D8E8EF}
.head-meta{display:flex; flex-wrap:wrap; gap:10px; margin-top:22px}
.head-meta .pill{
  display:inline-flex; align-items:center; gap:7px; padding:6px 13px; border-radius:999px;
  background:rgba(255,255,255,.13); border:1px solid rgba(255,255,255,.22); color:#EAF4F8; font-size:13px; font-weight:500;
}
.head-meta .pill.live-dot::before{content:""; width:7px; height:7px; border-radius:50%; background:var(--accent-500)}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
.section-tight{padding:44px 0}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:28px; flex-wrap:wrap}
.section-head h2{font-size:26px; font-weight:700}
.section-head .sub{margin-top:8px; font-size:14px; color:var(--ink-500)}
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:12px; font-weight:600; letter-spacing:.12em; color:var(--brand-600); text-transform:uppercase; margin-bottom:10px}
.eyebrow::before{content:""; width:22px; height:2px; background:var(--accent-500); border-radius:2px}

/* ---------- 筛选 chip ---------- */
.filter-bar{position:relative; border:1px solid var(--line); background:var(--surface); border-radius:var(--radius-card); padding:14px 16px; box-shadow:var(--shadow-sm)}
.filter-row{display:flex; align-items:center; gap:10px; overflow-x:auto; scrollbar-width:none; scroll-snap-type:x proximity; padding-bottom:2px}
.filter-row::-webkit-scrollbar{display:none}
.filter-chip{
  flex:0 0 auto; scroll-snap-align:start; min-height:38px; padding:0 16px; border-radius:999px;
  border:1px solid var(--line); background:var(--surface); color:var(--ink-700);
  font-size:14px; font-weight:500; display:inline-flex; align-items:center; gap:7px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.filter-chip:hover{background:var(--brand-50); border-color:var(--brand-100); color:var(--brand-700)}
.filter-chip.active{background:var(--brand-600); border-color:var(--brand-600); color:#fff; font-weight:600}
.filter-chip .num{font-size:12px; opacity:.7}
.filter-note{margin-top:12px; font-size:13px; color:var(--ink-500); display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}
.filter-note strong{color:var(--brand-600); font-weight:600}

/* ---------- 图集网格 ---------- */
.gallery-grid{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; margin-top:26px}
.gallery-card{
  position:relative; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius-card); overflow:hidden; box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.gallery-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:var(--brand-100); text-decoration:none}
.gallery-card .thumb{position:relative; width:100%; aspect-ratio:4/3; background:var(--brand-50); overflow:hidden}
.gallery-card .thumb img{width:100%; height:100%; object-fit:cover; transition:transform .35s ease}
.gallery-card:hover .thumb img{transform:scale(1.04)}
.gallery-card .corner{
  position:absolute; top:10px; left:10px; z-index:2; padding:4px 10px; border-radius:999px;
  background:rgba(8,61,82,.86); color:#fff; font-size:12px; font-weight:500; backdrop-filter:blur(2px);
}
.gallery-card .corner.accent{background:var(--accent-500)}
.gallery-card .cap{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:14px 16px; border-top:1px dashed var(--line)}
.gallery-card .cap h3{font-size:15px; font-weight:600; line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.gallery-card .cap .go{flex:0 0 auto; color:var(--brand-500); font-size:16px; transition:transform .2s ease}
.gallery-card:hover .cap .go{transform:translateX(3px)}
.gallery-empty{margin-top:24px; border:1px dashed var(--line); border-radius:var(--radius-card); background:var(--surface); padding:44px 24px; text-align:center; color:var(--ink-500); font-size:14px}
.gallery-empty .icon{width:48px; height:48px; margin:0 auto 14px; border-radius:14px; background:var(--brand-50); display:grid; place-items:center; color:var(--brand-500)}

/* ---------- 流程 ---------- */
.flow-wrap{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-card); padding:28px 24px; box-shadow:var(--shadow-sm)}
.flow-grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px}
.flow-item{position:relative; padding-left:56px}
.flow-item .no{
  position:absolute; left:0; top:2px; width:38px; height:38px; border-radius:12px;
  display:grid; place-items:center; font-weight:700; font-size:15px;
  background:var(--brand-50); color:var(--brand-600); border:1px solid var(--brand-100);
}
.flow-item h3{font-size:17px; margin-bottom:8px}
.flow-item p{font-size:14px; line-height:1.8; color:var(--ink-500)}

/* ---------- 相关入口 ---------- */
.entry-grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px}
.entry-card{
  display:flex; align-items:flex-start; gap:14px; padding:20px; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--radius-card); box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.entry-card:hover{transform:translateY(-2px); box-shadow:var(--shadow-md); border-color:var(--brand-100); text-decoration:none}
.entry-card .ico{flex:0 0 auto; width:42px; height:42px; border-radius:12px; background:var(--brand-50); color:var(--brand-600); display:grid; place-items:center}
.entry-card h3{font-size:16px; margin-bottom:6px}
.entry-card p{font-size:13px; color:var(--ink-500); line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{border:1px solid var(--line); border-radius:12px; overflow:hidden; background:var(--surface)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%; min-height:56px; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:14px 20px; text-align:left; font-size:16px; font-weight:600; color:var(--ink-900);
  transition:background .2s ease;
}
.faq-q:hover{background:var(--brand-50)}
.faq-q .sign{flex:0 0 auto; width:26px; height:26px; border-radius:50%; border:1px solid var(--line); display:grid; place-items:center; color:var(--brand-600); font-size:16px; transition:transform .25s ease, background .2s ease}
.faq-item.open .faq-q{background:var(--brand-50)}
.faq-item.open .faq-q .sign{transform:rotate(180deg); background:var(--brand-600); color:#fff; border-color:var(--brand-600)}
.faq-a{display:none; padding:0 20px 20px; font-size:15px; line-height:1.85; color:var(--ink-700); border-top:1px dashed var(--line); padding-top:16px}
.faq-item.open .faq-a{display:block}

/* ---------- 订阅/CTA ---------- */
.cta-band{background:var(--brand-50); border:1px solid var(--brand-100); border-radius:var(--radius-card); padding:32px 28px; display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap}
.cta-band h2{font-size:24px}
.cta-band p{margin-top:8px; font-size:14px; color:var(--ink-500); max-width:640px}
.cta-actions{display:flex; gap:12px; flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900); color:#C6D4DC; margin-top:72px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:36px; padding:56px 0 40px}
.site-footer h2{color:#fff; font-size:14px; font-weight:600; margin-bottom:16px; letter-spacing:.02em}
.footer-logo{display:inline-flex; align-items:center; gap:10px; color:#fff; font-size:17px; font-weight:700; margin-bottom:14px}
.footer-brand p{font-size:14px; line-height:1.85; color:#9FB3BE; max-width:320px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#C6D4DC; font-size:14px}
.footer-links a:hover{color:#fff; text-decoration:none}
.footer-sub{display:flex; gap:8px; margin-bottom:12px}
.footer-sub input{
  flex:1 1 auto; min-width:0; height:44px; padding:0 14px; border-radius:10px;
  border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.06); color:#fff; font-size:14px;
}
.footer-sub input::placeholder{color:#8FA4AF}
.footer-sub input:focus{outline:none; border-color:var(--brand-300); box-shadow:0 0 0 3px rgba(127,182,200,.18)}
.footer-sub-btn{
  flex:0 0 auto; min-width:78px; height:44px; border-radius:10px; background:var(--accent-500);
  color:#fff; font-size:14px; font-weight:600; transition:background .2s ease;
}
.footer-sub-btn:hover{background:var(--accent-600)}
.footer-note{font-size:13px; color:#8FA4AF; line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1); padding:18px 0 26px; display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; font-size:13px; color:#8FA4AF}
.footer-bottom a{color:#C6D4DC}
.footer-bottom a:hover{color:#fff; text-decoration:none}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed; right:20px; bottom:24px; z-index:60; width:46px; height:46px; border-radius:14px;
  background:var(--brand-600); color:#fff; display:grid; place-items:center; box-shadow:var(--shadow-md);
  opacity:0; visibility:hidden; transform:translateY(8px); transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
}
.to-top.show{opacity:1; visibility:visible; transform:none}
.to-top:hover{background:var(--brand-700)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px}
  .flow-grid{grid-template-columns:1fr; gap:20px}
  .entry-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr; gap:28px}
  .nav-tabs{display:none}
  .menu-btn{display:grid}
  .page-head h1{font-size:28px}
  .section{padding:48px 0}
}
@media (max-width:767px){
  .gallery-grid{grid-template-columns:1fr; gap:18px}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-inner{gap:12px}
  .brand-name{font-size:15px}
  .page-head-inner{padding:38px 0 34px}
  .page-head h1{font-size:26px}
  .page-head h1 .brand-part{font-size:18px}
  .section-head h2{font-size:22px}
  .cta-band{padding:24px 20px}
  .cta-band h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .top-strip .strip-right{gap:12px}
  .footer-grid{padding:40px 0 28px}
}
@media (max-width:519px){
  .container-x{padding-left:14px; padding-right:14px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .footer-sub{flex-wrap:wrap}
  .footer-sub .footer-sub-btn{width:100%}
}

/* roulang page: category5 */
:root{
  --bg:#F3F1EA;
  --surface:#FFFDF8;
  --line:#DCD6C8;
  --line-strong:#C6BFAD;
  --ink-900:#12202A;
  --ink-700:#33454F;
  --ink-500:#6B7C8A;
  --brand-50:#EEF6F9;
  --brand-100:#DCEBF1;
  --brand-300:#7FB6C8;
  --brand-500:#17839F;
  --brand-600:#0E6E8C;
  --brand-700:#0A5A72;
  --brand-900:#083D52;
  --accent-100:#FDEADC;
  --accent-500:#F2681F;
  --accent-600:#E2571C;
  --live:#E5484D;
  --replay:#16A34A;
  --muted:#94A3B8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,40,56,.06);
  --sh-lift:0 8px 24px -8px rgba(16,40,56,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{color:var(--ink-900);line-height:1.35;margin:0;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 容器 */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container-x{padding:0 24px}}
@media(min-width:1024px){.container-x{padding:0 32px}}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:#DDEAF0;font-size:13px;height:38px;display:flex;align-items:center}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-news{display:flex;align-items:center;gap:8px;min-width:0}
.topbar-news .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:none}
.topbar-news span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#B9CDD8}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none}
.topbar-right a{color:#DDEAF0;font-size:13px}
.topbar-right a:hover{color:#fff}
.topbar-cta{background:var(--accent-600);color:#fff!important;height:26px;line-height:26px;padding:0 12px;border-radius:8px;font-weight:500;text-decoration:none!important;transition:background .2s ease}
.topbar-cta:hover{background:var(--accent-500)}
@media(max-width:767px){.topbar-right a:not(.topbar-cta){display:none}}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-card)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:17px;letter-spacing:.2px;text-decoration:none!important;white-space:nowrap}
.brand:hover{color:var(--brand-700)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);display:grid;place-items:center;color:#fff;flex:none;transition:transform .25s ease}
.brand:hover .logo-mark{transform:rotate(-6deg)}
.nav-tabs{display:flex;align-items:center;gap:4px;background:#EFEDE4;border:1px solid var(--line);border-radius:12px;padding:4px}
.tab{
  display:inline-flex;align-items:center;height:34px;padding:0 13px;
  border-radius:9px;font-size:14px;font-weight:500;color:var(--ink-700);
  border:1px solid transparent;transition:all .2s ease;white-space:nowrap;text-decoration:none!important;
}
.tab:hover{background:#fff;color:var(--brand-700)}
.tab.active{background:#fff;color:var(--brand-600);border-color:var(--line);box-shadow:var(--sh-card);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:all .22s ease;text-decoration:none!important;white-space:nowrap}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(23,131,159,.30)}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--sh-card);text-decoration:none}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:rgba(14,110,140,.25)}
.btn-ghost:hover{background:var(--brand-50);border-color:rgba(14,110,140,.5)}
.btn-accent{background:var(--accent-600);color:#fff}
.btn-accent:hover{background:var(--accent-500);box-shadow:var(--sh-card)}
.btn-accent:active{transform:translateY(1px)}
.btn-sm{height:36px;padding:0 14px;font-size:14px}
.btn-text{background:none;border:none;color:var(--brand-700);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px;padding:6px 2px}
.btn-text svg{transition:transform .22s ease}
.btn-text:hover svg{transform:translateX(3px)}
.icon-btn{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink-700);display:grid;place-items:center;transition:all .2s ease}
.icon-btn:hover{border-color:var(--brand-300);color:var(--brand-700)}
.burger{display:none}
@media(max-width:1100px){
  .nav-tabs{display:none}
  .header-actions .btn-primary{display:none}
  .burger{display:grid}
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--surface);padding:12px 0 20px}
.mobile-menu.open{display:block;animation:fadeIn .2s ease}
.mobile-menu ul{display:flex;flex-direction:column;gap:6px}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-700);text-decoration:none!important;border:1px solid transparent}
.mobile-menu a:hover{background:var(--brand-50);color:var(--brand-700)}
.mobile-menu a.active{background:var(--brand-50);color:var(--brand-600);border-color:rgba(14,110,140,.2);font-weight:600}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* 面包屑 */
.crumbs{font-size:13px;color:var(--ink-500);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.crumbs a{color:var(--ink-500);text-decoration:none}
.crumbs a:hover{color:var(--brand-700);text-decoration:underline}
.crumbs .sep{color:var(--line-strong)}

/* 页头 */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.16}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(243,241,234,.6),rgba(243,241,234,.96))}
.page-hero-inner{position:relative;z-index:2;padding:40px 0 44px}
@media(max-width:767px){.page-hero-inner{padding:28px 0 32px}}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--brand-700);background:var(--brand-50);border:1px solid rgba(14,110,140,.18);border-radius:999px;padding:5px 12px}
.page-hero h1{font-size:34px;font-weight:700;margin:14px 0 0;letter-spacing:.3px}
@media(max-width:767px){.page-hero h1{font-size:26px}}
.page-hero .lede{margin-top:12px;font-size:16px;color:var(--ink-700);max-width:760px}
.page-hero .intro{margin-top:10px;font-size:14px;color:var(--ink-500);max-width:760px}
.hero-meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--ink-700);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 13px}

/* 主体两栏 */
.layout{display:grid;grid-template-columns:248px 1fr;gap:40px;align-items:start;padding:56px 0 72px}
@media(max-width:1023px){.layout{grid-template-columns:1fr;gap:32px;padding:36px 0 56px}}

/* 左侧目录 */
.toc{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:20px}
.toc h2{font-size:13px;font-weight:600;letter-spacing:.8px;color:var(--ink-500);text-transform:none;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.toc ol{margin-top:12px;display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc li{counter-increment:toc}
.toc a{
  display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--ink-700);text-decoration:none!important;border-left:3px solid transparent;
  transition:all .2s ease;line-height:1.5;
}
.toc a::before{content:counter(toc,decimal-leading-zero);font-size:12px;font-weight:600;color:var(--brand-300);padding-top:1px;font-variant-numeric:tabular-nums}
.toc a:hover{background:var(--brand-50);color:var(--brand-700)}
.toc a.active{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand-600);font-weight:600}
.toc a.active::before{color:var(--brand-600)}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-500);line-height:1.7}
.toc-cta{margin-top:14px;display:block;width:100%;text-align:center}
@media(max-width:1023px){.toc{position:static}}

/* 长文模块 */
.doc{display:flex;flex-direction:column;gap:24px}
.doc-section{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:28px;scroll-margin-top:96px;transition:box-shadow .25s ease,border-color .25s ease;
}
.doc-section:hover{box-shadow:var(--sh-lift);border-color:var(--line-strong)}
@media(max-width:639px){.doc-section{padding:20px}}
.doc-head{display:flex;align-items:flex-start;gap:14px;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:18px}
.doc-index{flex:none;width:34px;height:34px;border-radius:10px;border:1px solid rgba(14,110,140,.28);background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.doc-head h2{font-size:23px;font-weight:600}
@media(max-width:767px){.doc-head h2{font-size:20px}}
.doc-head p{font-size:14px;color:var(--ink-500);margin-top:4px}
.doc p.body{font-size:16px;line-height:1.9;color:var(--ink-700);margin-bottom:14px}
.doc p.body:last-child{margin-bottom:0}
.doc h3{font-size:17px;font-weight:600;margin:22px 0 10px;padding-left:10px;border-left:3px solid var(--brand-500)}

/* 步骤 */
.steps{display:grid;gap:12px;margin-top:6px}
.step{display:flex;gap:14px;padding:14px 16px;background:var(--brand-50);border:1px solid rgba(14,110,140,.14);border-radius:var(--r-img)}
.step-num{flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand-600);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.step strong{display:block;font-size:15px;color:var(--ink-900);font-weight:600;margin-bottom:2px}
.step span{font-size:14px;color:var(--ink-700);line-height:1.7}

/* 状态表 */
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:4px}
@media(max-width:767px){.status-grid{grid-template-columns:1fr}}
.status-item{border:1px solid var(--line);border-radius:var(--r-img);padding:16px;background:#fff}
.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#fff;border-radius:999px;padding:4px 11px}
.badge-live{background:var(--live)}
.badge-soon{background:var(--brand-600)}
.badge-replay{background:var(--muted)}
.pulse{width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 0 0 rgba(229,72,77,.6);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(229,72,77,.55)}70%{box-shadow:0 0 0 8px rgba(229,72,77,0)}100%{box-shadow:0 0 0 0 rgba(229,72,77,0)}}
.status-item h4{font-size:15px;margin:10px 0 6px}
.status-item p{font-size:14px;color:var(--ink-500);line-height:1.75}

/* 提示条 */
.tip{display:flex;gap:12px;padding:15px 17px;background:var(--accent-100);border:1px solid rgba(226,87,28,.22);border-radius:var(--r-img);margin-top:16px}
.tip svg{flex:none;color:var(--accent-600);margin-top:2px}
.tip p{font-size:14px;color:#7A3A12;line-height:1.75}
.tip strong{color:#5E2C0C;font-weight:600}

/* 双列小卡 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:4px}
@media(max-width:639px){.duo{grid-template-columns:1fr}}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-img);padding:16px;transition:all .22s ease}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card);border-color:var(--brand-300)}
.mini-card h4{font-size:15px;margin-bottom:6px}
.mini-card p{font-size:14px;color:var(--ink-500);line-height:1.75}

/* 要点列表 */
.bullets{display:flex;flex-direction:column;gap:10px}
.bullets li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-700);line-height:1.8}
.bullets li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--brand-500)}
.bullets li b{color:var(--ink-900);font-weight:600}

/* FAQ */
.faq-block{padding:64px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px}
.section-head h2{font-size:26px;font-weight:600}
@media(max-width:767px){.section-head h2{font-size:22px}}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:6px}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease}
.faq-item.open{border-color:var(--brand-300);box-shadow:var(--sh-card)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:none;text-align:left;padding:17px 20px;font-size:16px;font-weight:600;color:var(--ink-900);transition:background .2s ease;min-height:56px}
.faq-q:hover{background:var(--brand-50)}
.faq-sign{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--brand-700);transition:transform .25s ease,background .25s ease}
.faq-item.open .faq-sign{transform:rotate(180deg);background:var(--brand-50);border-color:var(--brand-300)}
.faq-a{display:none;padding:0 20px 20px;border-top:1px dashed var(--line);font-size:15px;line-height:1.85;color:var(--ink-700)}
.faq-item.open .faq-a{display:block;animation:fadeIn .2s ease}
.faq-a p{margin-top:14px}

/* 相关内容卡 */
.related{padding:64px 0}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:639px){.card-grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:all .25s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);border-color:var(--line-strong);text-decoration:none}
.card-media{position:relative;background:var(--brand-50);aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{font-size:16px;font-weight:600;color:var(--ink-900)}
.card-body p{font-size:14px;color:var(--ink-500);line-height:1.7}
.card-foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--brand-700);font-weight:600;display:flex;align-items:center;gap:5px}

/* CTA */
.cta-band{padding:0 0 72px}
.cta-inner{
  background:linear-gradient(180deg,var(--brand-50),#F7FAFB);
  border:1px solid rgba(14,110,140,.18);
  border-radius:18px;padding:34px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px}
.cta-inner p{font-size:15px;color:var(--ink-700);margin-top:8px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#C8D6DE;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 36px}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 28px}}
@media(max-width:639px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.site-footer h2{font-size:14px;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.4px}
.footer-brand p{font-size:14px;line-height:1.8;color:#93A8B4;margin-top:14px;max-width:320px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#C8D6DE;font-size:14px;text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-sub{display:flex;gap:8px;margin-bottom:12px}
.footer-sub input{
  flex:1;min-width:0;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 12px;font-size:14px;transition:all .2s ease;
}
.footer-sub input::placeholder{color:#8CA1AD}
.footer-sub input:focus{outline:none;border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(23,131,159,.18)}
.footer-sub-btn{height:42px;padding:0 18px;border:none;border-radius:10px;background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;transition:background .2s ease}
.footer-sub-btn:hover{background:var(--brand-500)}
.footer-note{font-size:13px;color:#8CA1AD;line-height:1.7}
.footer-note.err{color:#FCA5A5}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8CA1AD}
.footer-bottom a{color:#8CA1AD}
.footer-bottom a:hover{color:#fff}

/* 返回顶部 */
.to-top{
  position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:12px;
  background:var(--ink-900);color:#fff;border:none;display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s ease;z-index:60;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-700)}