/* roulang page: index */
:root{
  --primary:#2270B0;
  --primary-deep:#175A8E;
  --primary-darker:#124A75;
  --ink:#0F2436;
  --accent:#F26B3A;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --band:#EEF5FB;
  --line:#E3EAF2;
  --line-weak:#EDF2F7;
  --text:#10202E;
  --text-2:#5A6B7B;
  --text-3:#8698A8;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-flat:0 2px 8px rgba(15,62,96,.05);
  --sh-card:0 8px 24px rgba(15,62,96,.07);
  --sh-hover:0 16px 34px rgba(15,62,96,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.section-title::before{
  content:"";display:inline-block;width:4px;height:22px;border-radius:2px;
  background:var(--primary);margin-right:12px;vertical-align:-3px;
}
.section-sub{margin-top:8px;font-size:15px;color:var(--text-2)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;transition:color .2s var(--ease),transform .2s var(--ease);white-space:nowrap}
.link-more:hover{color:var(--primary-deep);transform:translateX(4px)}
.link-more:active{transform:translateX(1px)}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  height:var(--nav-h);
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px rgba(15,62,96,.06);
}
.nav-inner{display:flex;align-items:center;height:100%;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#2A85CC 0%,var(--primary-deep) 100%);
  position:relative;box-shadow:0 4px 12px rgba(34,112,176,.28);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:14px;height:14px;
  border-radius:50% 50% 50% 6px;background:rgba(255,255,255,.9);
}
.brand-text{line-height:1.1}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.brand-tag{font-size:11px;color:var(--text-3);letter-spacing:.06em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-link{position:relative;font-size:16px;font-weight:600;color:#2B3C4C;padding:6px 0;transition:color .2s var(--ease)}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;border-radius:3px;
  background:var(--primary);transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{width:24px}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}

/* Mega */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;padding:10px 4px;cursor:pointer;
  font-size:15px;font-weight:600;color:#2B3C4C;transition:color .2s var(--ease);
}
.mega-trigger:hover{color:var(--primary)}
.mega-arrow{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s var(--ease)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:560px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 18px 40px rgba(15,62,96,.16);padding:20px;
  display:grid;grid-template-columns:1fr 1fr 200px;gap:16px;
  opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.mega:hover .mega-arrow,.mega:focus-within .mega-arrow{transform:rotate(225deg) translateY(-2px)}
.mega-col-title{font-size:12px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:8px}
.mega-item{display:block;font-size:14px;color:#2B3C4C;padding:8px 10px;border-radius:8px;transition:background .2s var(--ease),color .2s var(--ease)}
.mega-item:hover{background:rgba(34,112,176,.08);color:var(--primary-deep)}
.mega-card{background:var(--band);border-radius:12px;padding:16px}
.mega-card h4{font-size:14px;font-weight:700;color:var(--ink)}
.mega-card p{font-size:12.5px;color:var(--text-2);line-height:1.7;margin-top:6px}
.mega-card a{display:inline-block;margin-top:10px;font-size:13px;font-weight:600;color:var(--primary);transition:transform .2s var(--ease)}
.mega-card a:hover{transform:translateX(3px)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:10px;padding:12px 24px;border:2px solid transparent;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.btn .arr{width:16px;height:16px;flex:0 0 auto;transition:transform .2s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--sh-card)}
.btn-primary:active{transform:none;background:var(--primary-darker);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(34,112,176,.08);border-color:var(--primary-deep);color:var(--primary-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:none;background:rgba(34,112,176,.16)}
.btn-white{background:#fff;color:var(--primary-deep)}
.btn-white:hover{background:#F2F8FD;transform:translateY(-1px);box-shadow:0 12px 26px rgba(9,32,50,.24)}
.btn-white:active{transform:none;background:#E6F1FA}
.btn-outline-white{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-1px)}
.btn-outline-white:active{transform:none;background:rgba(255,255,255,.24)}
.btn-sm{padding:10px 18px;font-size:14px}

/* Chips */
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.02em;padding:4px 10px;border-radius:999px;background:rgba(34,112,176,.1);color:var(--primary-deep);font-weight:600}
.chip-light{background:rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(4px)}
.chip-accent{background:rgba(242,107,58,.12);color:#C64E22}

/* Hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;background:#0F2436}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;transform:scale(1.02)}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(15,36,54,.94) 0%,rgba(15,36,54,.78) 34%,rgba(15,36,54,.35) 66%,rgba(15,36,54,.05) 100%),
  linear-gradient(0deg,rgba(15,36,54,.55) 0%,rgba(15,36,54,0) 46%);}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-copy{max-width:600px}
.hero-copy h1{font-size:44px;line-height:1.16;font-weight:700;color:#fff;margin-top:18px;letter-spacing:-.01em}
.hero-copy p.lead{font-size:18px;line-height:1.7;color:rgba(255,255,255,.82);margin-top:18px;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:30px;font-size:12px;color:rgba(255,255,255,.7);letter-spacing:.02em}
.hero-meta i{display:inline-block;width:1px;height:12px;background:rgba(255,255,255,.32)}
.hero-play{
  position:absolute;right:64px;bottom:64px;width:96px;height:96px;border-radius:50%;
  border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;z-index:2;
  backdrop-filter:blur(2px);
}
.hero-play::after{
  content:"";width:0;height:0;margin-left:6px;
  border-left:20px solid rgba(255,255,255,.85);
  border-top:13px solid transparent;border-bottom:13px solid transparent;
}
.hero-live{
  position:absolute;left:50%;transform:translateX(-50%);top:0;z-index:3;
  display:none;
}

/* Rail */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.poster-card{flex:0 0 auto;width:200px;scroll-snap-align:start;background:var(--surface);border-radius:14px;padding:8px;border:1px solid var(--line);box-shadow:var(--sh-flat);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.poster-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover)}
.poster{position:relative;aspect-ratio:2/3;border-radius:12px;overflow:hidden;background:#E9F0F7}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.poster-card:hover .poster img{transform:scale(1.04)}
.poster-veil{position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,36,54,.86) 0%,rgba(15,36,54,.15) 46%,rgba(15,36,54,0) 72%);transition:opacity .2s var(--ease)}
.poster-card:hover .poster-veil{opacity:.82}
.poster-text{position:absolute;left:0;right:0;bottom:0;padding:10px 10px 12px;color:#fff}
.poster-name{font-size:14px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.poster-rate{font-size:12px;color:rgba(255,255,255,.8);margin-top:2px;font-family:"Inter",system-ui,sans-serif}
.poster-chip{position:absolute;right:8px;top:8px}
.poster-card .p-title{font-size:14px;font-weight:600;margin-top:10px;color:var(--text);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.poster-card .p-meta{font-size:12px;color:var(--text-3);margin-top:2px}

/* Hot grid */
.hot-layout{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:start}
.hot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.film-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--sh-flat);transition:box-shadow .2s var(--ease)}
.film-card:hover{box-shadow:var(--sh-hover)}
.film-thumb{position:relative;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:#E9F0F7}
.film-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.film-card:hover .film-thumb img{transform:scale(1.03)}
.film-title{font-size:15px;font-weight:600;margin-top:10px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.film-meta{font-size:12.5px;color:var(--text-3);margin-top:2px}
.rank-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--sh-card);position:sticky;top:96px}
.rank-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.rank-head h3{font-size:20px;font-weight:700}
.rank-head span{font-size:12px;color:var(--text-3)}
.rank-list li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-weak);transition:background .2s var(--ease)}
.rank-list li:last-child{border-bottom:0}
.rank-list li:hover{background:#FAFCFE}
.rank-no{font-family:"Inter",system-ui,sans-serif;font-size:28px;line-height:1;font-weight:700;color:rgba(34,112,176,.16);flex:0 0 auto;width:38px}
.rank-name{font-size:15px;font-weight:600;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-badge{flex:0 0 auto;font-size:12px;font-family:"Inter",system-ui,sans-serif;font-weight:600;color:#C64E22;background:rgba(242,107,58,.12);border-radius:999px;padding:2px 9px}
.rank-list li:first-child{border-left:3px solid var(--primary);padding-left:12px}

/* Feature / topic blocks */
.topic-row{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.topic-row.reverse{grid-template-columns:5fr 7fr}
.big-card{position:relative;border-radius:16px;overflow:hidden;min-height:340px;background:#0F2436;box-shadow:var(--sh-card);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.big-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.big-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .4s var(--ease)}
.big-card:hover img{transform:scale(1.03)}
.big-card .big-veil{position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,36,54,.9) 0%,rgba(15,36,54,.35) 48%,rgba(15,36,54,.05) 100%)}
.big-copy{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff}
.big-copy h3{font-size:22px;font-weight:700;margin-top:10px;line-height:1.35}
.big-copy p{font-size:14px;color:rgba(255,255,255,.8);margin-top:6px;line-height:1.7;max-width:440px}
.side-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.mini-card{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--sh-flat);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.mini-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.mini-img{flex:0 0 44%;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#E9F0F7}
.mini-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.mini-card:hover .mini-img img{transform:scale(1.04)}
.mini-copy{min-width:0;display:flex;flex-direction:column;justify-content:center}
.mini-copy h4{font-size:16px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-copy p{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Steps */
.steps-band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:8px}
.step-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--sh-flat);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.step-card:hover{box-shadow:var(--sh-card);transform:translateY(-2px)}
.step-no{font-family:"Inter",system-ui,sans-serif;font-size:13px;font-weight:700;color:var(--primary);background:rgba(34,112,176,.1);border-radius:999px;padding:3px 12px;display:inline-block}
.step-card h3{font-size:19px;font-weight:700;margin-top:14px}
.step-card p{font-size:14.5px;color:var(--text-2);margin-top:8px;line-height:1.8}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:36px}
.stat-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:left}
.stat-num{font-family:"Inter",system-ui,sans-serif;font-size:28px;font-weight:700;color:var(--primary-deep);line-height:1.1}
.stat-label{font-size:13px;color:var(--text-2);margin-top:6px}

/* CMS news */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.news-lead{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh-flat);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.news-lead:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.news-lead .cover{aspect-ratio:16/9;background:#E9F0F7;overflow:hidden}
.news-lead .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-lead:hover .cover img{transform:scale(1.03)}
.news-lead .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-lead h3{font-size:22px;font-weight:700;line-height:1.4;min-height:62px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead .excerpt{font-size:14.5px;color:var(--text-2);line-height:1.8;min-height:52px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:6px}
.news-meta i{width:1px;height:11px;background:var(--line);display:inline-block}
.news-side{display:grid;grid-template-rows:repeat(3,minmax(0,1fr));gap:16px}
.news-item{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--sh-flat);transition:box-shadow .2s var(--ease)}
.news-item:hover{box-shadow:var(--sh-hover)}
.news-thumb{flex:0 0 120px;height:84px;border-radius:10px;overflow:hidden;background:#E9F0F7}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-item .txt{min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.news-item h4{font-size:15px;font-weight:600;line-height:1.5;min-height:45px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{border:1px dashed #C8D6E4;border-radius:16px;padding:64px 24px;text-align:center;background:rgba(255,255,255,.6)}
.news-empty .ico{width:40px;height:40px;margin:0 auto 12px;border:1.5px solid #B9CBDB;border-radius:10px;position:relative}
.news-empty .ico::before{content:"";position:absolute;left:8px;right:8px;top:12px;height:1.5px;background:#B9CBDB;box-shadow:0 7px 0 #B9CBDB,0 14px 0 #B9CBDB}
.news-empty p{font-size:14px;color:var(--text-3)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item[open]{border-color:rgba(34,112,176,.35);box-shadow:var(--sh-card)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:600;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px;transition:transform .25s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{font-size:15px;line-height:1.85;color:var(--text-2);margin-top:12px;padding-top:12px;border-top:1px solid var(--line-weak)}

/* CTA */
.cta-band{background:var(--band);padding:72px 0}
.cta-card{position:relative;overflow:hidden;border-radius:24px;padding:44px;background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;box-shadow:0 18px 40px rgba(15,62,96,.2)}
.cta-card h2{font-size:30px;font-weight:700;color:#fff;line-height:1.3}
.cta-card p{font-size:16px;color:rgba(255,255,255,.8);margin-top:10px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-deco{position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;opacity:.1;pointer-events:none}
.cta-deco span{position:absolute;border:2px solid #fff;border-radius:50%}
.cta-deco span:nth-child(1){inset:0}
.cta-deco span:nth-child(2){inset:46px}
.cta-deco span:nth-child(3){inset:92px}

/* Footer */
.site-footer{background:var(--ink);color:#C6D4E1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:#7E93A6}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB3C6;margin-top:14px;max-width:230px}
.footer-domain{font-size:13px;color:#7E93A6;margin-top:10px;font-family:"Inter",system-ui,sans-serif}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.03em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C6D4E1;position:relative;padding-left:0;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:0;background:var(--primary);border-radius:2px;transition:height .2s var(--ease)}
.footer-col a:hover{color:#fff;padding-left:10px}
.footer-col a:hover::before{height:14px}
.footer-contact{font-size:14px;color:#9FB3C6;line-height:1.9}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:#7E93A6}
.footer-bottom a{color:#7E93A6;transition:color .2s var(--ease)}
.footer-bottom a:hover{color:#fff}

/* Mobile nav */
.nav-toggle-input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.hamburger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;flex-direction:column;gap:4px}
.hamburger span{display:block;width:18px;height:2px;background:#2B3C4C;border-radius:2px}
.mobile-drawer{
  position:fixed;inset:0;background:#fff;z-index:120;padding:20px 20px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;visibility:hidden;pointer-events:none;
  transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s;
}
.nav-toggle-input:checked ~ .mobile-drawer{transform:none;opacity:1;visibility:visible;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative}
.drawer-close::before,.drawer-close::after{content:"";position:absolute;width:18px;height:2px;background:#2B3C4C;border-radius:2px}
.drawer-close::before{transform:rotate(45deg)}
.drawer-close::after{transform:rotate(-45deg)}
.drawer-links{margin-top:8px}
.drawer-links a{display:flex;align-items:center;min-height:56px;font-size:17px;font-weight:600;color:#2B3C4C;border-bottom:1px solid var(--line);transition:color .2s var(--ease)}
.drawer-links a:hover,.drawer-links a.active{color:var(--primary)}
.drawer-cta{margin-top:auto;padding-top:24px}

/* Responsive */
@media (max-width:1023px){
  .nav-links,.mega,.nav-right .btn{display:none}
  .hamburger{display:flex}
  .hot-layout{grid-template-columns:1fr}
  .rank-card{position:static}
  .rank-list li{display:inline-flex;width:calc(50% - 8px);margin-right:8px;vertical-align:top;border-bottom:0}
  .hot-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .topic-row,.topic-row.reverse{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-side{grid-template-rows:none;grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .hero{min-height:520px}
  .hero-play{width:72px;height:72px;right:32px;bottom:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .section-title::before{height:18px;margin-right:8px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px}
  .hero{min-height:460px;padding:48px 0}
  .hero-copy h1{font-size:30px}
  .hero-copy p.lead{font-size:15.5px}
  .hero-play{display:none}
  .hot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .poster-card{width:148px}
  .rank-list li{display:flex;width:100%;margin-right:0;border-bottom:1px solid var(--line-weak)}
  .mini-card{flex-direction:column}
  .mini-img{flex:1 1 auto;width:100%}
  .news-thumb{flex:0 0 96px;height:72px}
  .news-lead h3{font-size:19px;min-height:auto}
  .cta-card{grid-template-columns:1fr;padding:28px;border-radius:18px}
  .cta-card h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .stat-strip{grid-template-columns:1fr 1fr;gap:14px}
  .faq-item{padding:16px 16px}
  .faq-item summary{font-size:15.5px}
  .btn{padding:11px 20px}
}
@media (max-width:519px){
  .hot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand-name{font-size:14.5px}
  .brand-tag{font-size:10.5px}
}

/* roulang page: category1 */
:root{
    --primary:#2270B0;
    --primary-deep:#175A8E;
    --ink:#0F2436;
    --accent:#F26B3A;
    --page:#F6F9FC;
    --card:#FFFFFF;
    --band:#EEF5FB;
    --line:#E3EAF2;
    --line-weak:#EDF2F7;
    --text:#10202E;
    --text-2:#5A6B7B;
    --text-3:#8698A8;
    --r-lg:16px;
    --r-md:12px;
    --r-sm:10px;
    --sh-flat:0 2px 8px rgba(15,62,96,.05);
    --sh-card:0 8px 24px rgba(15,62,96,.07);
    --sh-hover:0 16px 34px rgba(15,62,96,.14);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--page);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;}
  ul{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px;}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  .num{font-family:"Inter",system-ui,sans-serif;}

  /* ---------- 按钮 ---------- */
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:var(--primary);color:#fff;font-weight:600;font-size:15px;
    padding:12px 24px;border-radius:var(--r-sm);border:2px solid transparent;
    transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-card);}
  .btn-primary:active{transform:translateY(0);background:#124B77;}
  .btn-primary .arrow{transition:transform .2s var(--ease);}
  .btn-primary:hover .arrow{transform:translateX(3px);}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:transparent;color:var(--primary);font-weight:600;font-size:15px;
    padding:12px 24px;border-radius:var(--r-sm);border:1px solid var(--primary);
    transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
  }
  .btn-ghost:hover{background:rgba(34,112,176,.08);border-color:var(--primary-deep);color:var(--primary-deep);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);background:rgba(34,112,176,.14);}
  .btn-white{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:#fff;color:var(--primary);font-weight:600;font-size:15px;
    padding:12px 24px;border-radius:var(--r-sm);border:2px solid #fff;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);background:#F4F9FD;}
  .btn-outline-white{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:transparent;color:#fff;font-weight:600;font-size:15px;
    padding:12px 24px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.65);
    transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}

  /* ---------- 通用组件 ---------- */
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    background:rgba(34,112,176,.1);color:var(--primary);
    font-size:12px;font-weight:600;letter-spacing:.02em;
    padding:4px 10px;border-radius:999px;line-height:1.2;
  }
  .chip-accent{background:rgba(242,107,58,.1);color:var(--accent);}
  .chip-white{background:rgba(255,255,255,.18);color:#fff;}
  .section-title{font-size:32px;line-height:1.25;font-weight:700;color:var(--text);letter-spacing:-.01em;}
  .section-sub{font-size:15px;color:var(--text-2);margin-top:8px;}
  .link-more{
    display:inline-flex;align-items:center;gap:6px;color:var(--primary);
    font-weight:600;font-size:15px;transition:transform .2s var(--ease),color .2s var(--ease);
  }
  .link-more:hover{color:var(--primary-deep);transform:translateX(4px);}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,62,96,.06);}
  .header-inner{display:flex;align-items:center;gap:24px;height:68px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;flex-shrink:0;position:relative;
    background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
    box-shadow:0 4px 10px rgba(34,112,176,.28);
  }
  .brand-mark::before{
    content:"";position:absolute;left:8px;top:11px;width:16px;height:10px;
    background:rgba(255,255,255,.92);
    border-radius:60% 20% 60% 20%;
  }
  .brand-mark::after{
    content:"";position:absolute;right:7px;top:9px;width:5px;height:5px;
    border-radius:50%;background:rgba(255,255,255,.75);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
  .brand-tag{font-size:11px;color:var(--text-3);letter-spacing:.06em;}
  .nav-links{display:flex;align-items:center;gap:22px;}
  .nav-link{
    position:relative;display:inline-block;padding:6px 2px;
    font-size:16px;font-weight:600;color:var(--text-2);
    transition:color .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;bottom:-4px;width:0;height:3px;
    border-radius:2px;background:var(--primary);
    transform:translateX(-50%);transition:width .2s var(--ease);
  }
  .nav-link:hover{color:var(--primary-deep);}
  .nav-link:hover::after{width:100%;}
  .nav-link.active{color:var(--primary);}
  .nav-link.active::after{width:100%;}
  .header-right{margin-left:auto;display:flex;align-items:center;gap:16px;}

  /* Mega 面板 */
  .mega-wrap{position:relative;}
  .mega-trigger{
    display:inline-flex;align-items:center;gap:6px;background:transparent;border:0;
    padding:8px 4px;font-size:15px;font-weight:600;color:var(--text-2);
    transition:color .2s var(--ease);
  }
  .mega-trigger:hover{color:var(--primary);}
  .mega-arrow{transition:transform .25s var(--ease);}
  .mega-wrap:hover .mega-arrow,
  .mega-wrap:focus-within .mega-arrow{transform:rotate(180deg);}
  .mega-panel{
    position:absolute;top:calc(100% + 14px);right:0;width:560px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-hover);padding:20px;
    display:grid;grid-template-columns:2fr 1fr;gap:20px;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
  .mega-heading{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px;}
  .mega-list{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
  .mega-list a{
    display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--text-2);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .mega-list a:hover{background:rgba(34,112,176,.08);color:var(--primary);}
  .mega-card{
    background:var(--band);border-radius:var(--r-md);padding:16px;
    display:flex;flex-direction:column;gap:8px;justify-content:center;
  }
  .mega-card h5{font-size:15px;font-weight:700;color:var(--text);margin:0;}
  .mega-card p{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;}
  .mega-card a{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;}
  .mega-card a:hover{color:var(--primary-deep);}

  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;
    transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .menu-toggle:hover{background:var(--band);border-color:var(--primary);}
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
  .menu-toggle span::before,
  .menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  /* 移动抽屉 */
  .mobile-drawer{
    display:none;position:fixed;inset:0;z-index:90;background:#fff;
    flex-direction:column;padding:20px 20px 28px;
    transform:translateX(100%);transition:transform .28s var(--ease);
  }
  .mobile-drawer.open{transform:translateX(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .drawer-close{
    width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;
    display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-2);
    transition:background .2s,color .2s;
  }
  .drawer-close:hover{background:var(--band);color:var(--primary);}
  .drawer-link{
    display:flex;align-items:center;min-height:56px;
    border-bottom:1px solid var(--line);
    font-size:17px;font-weight:600;color:var(--text);
    transition:color .2s var(--ease),padding-left .2s var(--ease);
  }
  .drawer-link:hover{color:var(--primary);padding-left:6px;}
  .drawer-link.active{color:var(--primary);}
  .drawer-cta{margin-top:auto;padding-top:20px;}
  .drawer-cta .btn-primary{width:100%;min-height:48px;}

  /* ---------- Hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;min-height:300px;display:flex;align-items:center;
    background:linear-gradient(120deg,#EAF3FA 0%,#DAECF9 58%,#EAF3FA 100%);
  }
  .cat-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-1.webp);
    background-size:cover;background-position:center;opacity:.12;
  }
  .cat-hero-inner{
    position:relative;z-index:2;width:100%;
    display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
    padding:46px 0;
  }
  .crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:14px;flex-wrap:wrap;}
  .crumb a{color:var(--text-2);transition:color .2s;}
  .crumb a:hover{color:var(--primary);}
  .crumb .sep{color:#B6C5D3;}
  .crumb .current{color:var(--primary);font-weight:600;}
  .cat-hero h1{
    font-size:32px;line-height:1.28;font-weight:700;color:var(--ink);
    letter-spacing:-.01em;max-width:720px;
  }
  .cat-hero .hero-desc{font-size:16px;color:var(--text-2);margin-top:12px;max-width:620px;}
  .hero-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;padding-bottom:6px;}

  /* ---------- 状态条 ---------- */
  .status-bar{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-card);padding:18px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
    margin-top:-34px;position:relative;z-index:5;
  }
  .status-live{display:flex;align-items:center;gap:12px;}
  .status-dot{
    width:10px;height:10px;border-radius:50%;background:#2FB67C;flex-shrink:0;position:relative;
  }
  .status-dot::after{
    content:"";position:absolute;inset:-5px;border-radius:50%;
    border:2px solid rgba(47,182,124,.35);animation:pulse 2s var(--ease) infinite;
  }
  @keyframes pulse{
    0%{transform:scale(.7);opacity:.9;}
    70%{transform:scale(1.5);opacity:0;}
    100%{opacity:0;}
  }
  .status-live strong{font-size:15px;font-weight:700;color:var(--text);}
  .status-live small{display:block;font-size:13px;color:var(--text-3);}
  .status-stats{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
  .status-item{display:flex;flex-direction:column;line-height:1.3;}
  .status-item b{font-family:"Inter",system-ui,sans-serif;font-size:20px;font-weight:700;color:var(--primary);}
  .status-item span{font-size:12px;color:var(--text-3);}

  /* ---------- 板块通用 ---------- */
  .section{padding:88px 0 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}

  /* ---------- 资讯卡网格 ---------- */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .news-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--sh-flat);display:flex;flex-direction:column;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D6E4F1;}
  .news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9F0F7;}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
  .news-card:hover .news-thumb img{transform:scale(1.03);}
  .news-thumb .chip{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--primary);}
  .news-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px;}
  .news-title{
    font-size:18px;line-height:1.5;font-weight:700;color:var(--text);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    min-height:54px;transition:color .2s var(--ease);
  }
  .news-card:hover .news-title{color:var(--primary);}
  .news-excerpt{
    font-size:14px;line-height:1.7;color:var(--text-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    min-height:48px;
  }
  .news-foot{
    margin-top:auto;padding-top:12px;border-top:1px solid var(--line-weak);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--text-3);
  }
  .news-foot .read{
    color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:4px;
    transition:transform .2s var(--ease),color .2s var(--ease);
  }
  .news-card:hover .news-foot .read{transform:translateX(3px);color:var(--primary-deep);}

  /* ---------- 时间线 ---------- */
  .timeline-wrap{
    display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;
  }
  .timeline-list{position:relative;padding-left:28px;}
  .timeline-list::before{
    content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,rgba(34,112,176,.35),rgba(34,112,176,.06));border-radius:2px;
  }
  .timeline-item{position:relative;padding:0 0 26px 0;}
  .timeline-item:last-child{padding-bottom:0;}
  .timeline-item::before{
    content:"";position:absolute;left:-27px;top:6px;width:12px;height:12px;border-radius:50%;
    background:#fff;border:2px solid var(--primary);
  }
  .timeline-item .t-day{
    font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--primary);
    background:rgba(34,112,176,.09);border-radius:999px;padding:3px 10px;display:inline-block;margin-bottom:8px;
  }
  .timeline-item h3{font-size:17px;font-weight:700;color:var(--text);line-height:1.5;}
  .timeline-item p{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.7;}
  .side-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-flat);padding:24px;
  }
  .side-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:6px;}
  .side-card .side-desc{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:18px;}
  .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .stat-cell{
    background:var(--band);border-radius:var(--r-md);padding:16px;
  }
  .stat-cell b{
    display:block;font-family:"Inter",system-ui,sans-serif;font-size:24px;font-weight:700;
    color:var(--primary);line-height:1.2;
  }
  .stat-cell span{font-size:12px;color:var(--text-2);}

  /* ---------- 节奏数据带 ---------- */
  .rhythm-band{
    background:var(--band);border-radius:24px;padding:40px;
    display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  }
  .rhythm-item{border-left:3px solid rgba(34,112,176,.35);padding-left:18px;}
  .rhythm-item b{
    display:block;font-family:"Inter",system-ui,sans-serif;font-size:28px;font-weight:700;
    color:var(--primary-deep);line-height:1.2;
  }
  .rhythm-item h4{font-size:15px;font-weight:700;color:var(--text);margin-top:4px;}
  .rhythm-item p{font-size:13px;color:var(--text-2);margin-top:4px;line-height:1.6;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .faq-item[open]{border-color:rgba(34,112,176,.3);box-shadow:var(--sh-flat);}
  .faq-item summary{
    list-style:none;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--primary);}
  .faq-icon{position:relative;width:16px;height:16px;flex-shrink:0;margin-top:5px;}
  .faq-icon::before,
  .faq-icon::after{
    content:"";position:absolute;background:var(--primary);border-radius:2px;
    transition:transform .2s var(--ease);
  }
  .faq-icon::before{left:0;top:7px;width:16px;height:2px;}
  .faq-icon::after{left:7px;top:0;width:2px;height:16px;}
  .faq-item[open] .faq-icon::after{transform:rotate(90deg);}
  .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--band);border-radius:24px;overflow:hidden;position:relative;}
  .cta-inner{
    position:relative;z-index:2;padding:40px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
    background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
    border-radius:24px;
  }
  .cta-inner h2{font-size:26px;font-weight:700;color:#fff;line-height:1.35;}
  .cta-inner p{font-size:16px;color:rgba(255,255,255,.82);margin-top:8px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
  .cta-deco{
    position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;
    border:2px solid rgba(255,255,255,.12);border-radius:50%;
  }
  .cta-deco::after{
    content:"";position:absolute;inset:38px;border:2px solid rgba(255,255,255,.1);border-radius:50%;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#C6D4E1;margin-top:88px;padding-top:64px;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;
  }
  .footer-brand .brand{margin-bottom:0;}
  .footer-brand .brand-name{color:#fff;}
  .footer-brand .brand-tag{color:#7E93A6;}
  .footer-desc{font-size:14px;line-height:1.8;color:#9FB3C6;margin-top:16px;max-width:240px;}
  .footer-domain{font-size:13px;color:#7E93A6;margin-top:10px;font-family:"Inter",system-ui,sans-serif;}
  .footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    position:relative;font-size:14px;color:#C6D4E1;display:inline-block;
    transition:color .2s var(--ease),padding-left .2s var(--ease);
  }
  .footer-col a:hover{color:#fff;padding-left:10px;}
  .footer-col a:hover::before{
    content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;
    background:var(--primary);border-radius:2px;
  }
  .footer-note{font-size:13px;color:#9FB3C6;line-height:1.8;margin-top:16px;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#7E93A6;
  }
  .footer-bottom a{color:#7E93A6;transition:color .2s;}
  .footer-bottom a:hover{color:#fff;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .container-x{padding:0 24px;}
    .nav-links,.mega-wrap{display:none;}
    .menu-toggle{display:inline-flex;}
    .mobile-drawer{display:flex;}
    .header-inner{height:60px;}
    .cat-hero{min-height:260px;}
    .cat-hero-inner{flex-direction:column;align-items:flex-start;gap:20px;padding:36px 0;}
    .cat-hero h1{font-size:28px;}
    .news-grid{grid-template-columns:repeat(2,1fr);}
    .timeline-wrap{grid-template-columns:1fr;}
    .rhythm-band{grid-template-columns:repeat(2,1fr);padding:32px;}
    .footer-grid{grid-template-columns:repeat(3,1fr);}
    .section{padding:72px 0 0;}
    .section-title{font-size:26px;}
  }
  @media (max-width:767px){
    .container-x{padding:0 16px;}
    .cat-hero{min-height:240px;}
    .cat-hero h1{font-size:24px;}
    .cat-hero .hero-desc{font-size:15px;}
    .status-bar{margin-top:-24px;padding:16px 18px;gap:16px;}
    .status-stats{gap:18px;}
    .news-grid{grid-template-columns:1fr;}
    .section{padding:56px 0 0;}
    .section-title{font-size:23px;}
    .cta-inner{padding:28px 22px;}
    .cta-inner h2{font-size:21px;}
    .rhythm-band{grid-template-columns:1fr;gap:18px;padding:24px;}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
    .site-footer{padding-top:48px;margin-top:56px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
    .hero-actions{width:100%;}
    .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;min-height:44px;}
  }
  @media (max-width:520px){
    .footer-grid{grid-template-columns:1fr;}
    .stat-grid{grid-template-columns:1fr;}
  }

/* roulang page: article */
:root{
  --primary:#2270B0;
  --primary-deep:#175A8E;
  --primary-soft:rgba(34,112,176,.10);
  --ink:#0F2436;
  --accent:#F26B3A;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --band:#EEF5FB;
  --line:#E3EAF2;
  --line-weak:#EDF2F7;
  --text:#10202E;
  --text-2:#5A6B7B;
  --text-3:#8698A8;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-flat:0 2px 8px rgba(15,62,96,.05);
  --sh-card:0 8px 24px rgba(15,62,96,.07);
  --sh-hover:0 16px 34px rgba(15,62,96,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Inter","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(34,112,176,.18);}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:1024px){.container-x{padding:0 24px;}}
@media (max-width:640px){.container-x{padding:0 16px;}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(15,62,96,.06);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;transition:transform .2s var(--ease);}
.brand:hover{transform:translateY(-1px);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,#2E86CC 0%,#2270B0 55%,#175A8E 100%);
  box-shadow:0 4px 10px rgba(34,112,176,.28);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;top:13px;width:14px;height:7px;
  border-radius:50% 50% 45% 45%/60% 60% 40% 40%;
  background:rgba(255,255,255,.92);
}
.brand-mark::before{
  content:"";position:absolute;left:19px;top:11px;width:7px;height:7px;
  background:rgba(255,255,255,.92);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.brand-name{display:block;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;line-height:1.2;}
.brand-tag{display:block;font-size:11px;color:var(--text-3);letter-spacing:.14em;line-height:1.2;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:8px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:3px;width:0;border-radius:3px;
  background:var(--primary);transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover,.nav-link.active{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}

.mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--text-2);
  padding:10px 6px;border-radius:8px;transition:color .2s var(--ease);
}
.mega-trigger:hover{color:var(--primary);}
.mega-arrow{transition:transform .25s var(--ease);}
.mega:hover .mega-arrow,.mega:focus-within .mega-arrow{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:560px;padding:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-hover);
  display:grid;grid-template-columns:1.55fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-3);margin-bottom:10px;}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
.mega-list a{
  display:block;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--text-2);
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.mega-list a:hover{background:rgba(34,112,176,.08);color:var(--primary);transform:translateX(2px);}
.mega-card{
  background:var(--band);border-radius:var(--r-md);padding:16px;
  display:flex;flex-direction:column;gap:8px;
}
.mega-card h4{font-size:14px;font-weight:700;color:var(--ink);}
.mega-card p{font-size:13px;line-height:1.7;color:var(--text-2);}
.mega-card .mega-more{
  margin-top:auto;font-size:13px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;transition:transform .2s var(--ease);
}
.mega-card .mega-more:hover{transform:translateX(4px);}

.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-sm);
  background:var(--primary);color:#fff;
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.01em;
  border:2px solid transparent;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-card);}
.btn-primary:active{transform:translateY(0);background:#12496F;box-shadow:none;}
.btn-primary svg{transition:transform .2s var(--ease);}
.btn-primary:hover svg{transform:translateX(3px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-sm);
  background:transparent;color:var(--primary);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid rgba(34,112,176,.55);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-ghost:hover{background:rgba(34,112,176,.08);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-flat);}
.btn-ghost:active{transform:translateY(0);background:rgba(34,112,176,.14);}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-sm);
  background:#fff;color:var(--primary);font-size:15px;font-weight:600;
  border:2px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(9,40,66,.24);background:#F4FAFF;}
.btn-outline-white{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-sm);
  background:transparent;color:#fff;font-size:15px;font-weight:600;
  border:1px solid rgba(255,255,255,.7);
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.2;
}
.chip-white{background:rgba(255,255,255,.18);color:#fff;}

.mobile-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.mobile-toggle:hover{background:var(--band);border-color:rgba(34,112,176,.4);}
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:18px 20px 28px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--ink);
}
.drawer-links{display:flex;flex-direction:column;margin-bottom:24px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-links a span{color:var(--text-3);font-weight:400;font-size:14px;}

@media (max-width:1023px){
  .nav-links,.mega{display:none;}
  .nav-actions .btn-primary{display:none;}
  .mobile-toggle{display:flex;}
  .header-inner{height:60px;}
}
@media (max-width:640px){
  .brand-tag{display:none;}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb-inner{height:52px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);overflow:hidden;}
.crumb-inner a{color:var(--text-2);transition:color .2s var(--ease);}
.crumb-inner a:hover{color:var(--primary);}
.crumb-sep{color:#B9C8D6;}
.crumb-current{color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52%;}

/* ---------- 文章头部 ---------- */
.article-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#E7F1FA 0%,#F6F9FC 62%,#F2F7FC 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.article-banner::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.12;pointer-events:none;
}
.article-banner > .container-x{position:relative;z-index:1;}
.article-head{max-width:820px;}
.article-head h1{
  font-size:36px;font-weight:700;line-height:1.3;color:var(--ink);
  margin:14px 0 16px;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--text-2);
}
.meta-line i{display:inline-block;width:1px;height:12px;background:#C9D7E3;}
.head-rule{max-width:820px;height:1px;background:var(--line);margin-top:22px;}

@media (max-width:768px){
  .article-banner{padding:32px 0 28px;}
  .article-head h1{font-size:26px;line-height:1.35;}
}

/* ---------- 正文布局 ---------- */
.article-main{padding:48px 0 8px;}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}
.article-body{min-width:0;}
.side-col{display:grid;gap:20px;}

@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
}
@media (min-width:1024px){
  .side-col{position:sticky;top:96px;}
}
@media (max-width:640px){
  .article-main{padding:32px 0 0;}
}

.prose-cn{font-size:17px;line-height:1.95;color:#22323F;}
.prose-cn p{margin:0 0 20px;}
.prose-cn h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;color:var(--ink);
  margin:36px 0 14px;padding-left:14px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;
  border-radius:2px;background:var(--primary);
}
.prose-cn h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);margin:28px 0 12px;}
.prose-cn h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px;}
.prose-cn ul,.prose-cn ol{margin:0 0 20px;padding-left:0;}
.prose-cn li{position:relative;padding-left:22px;margin-bottom:10px;}
.prose-cn ul > li::before{
  content:"";position:absolute;left:6px;top:11px;width:6px;height:6px;
  border-radius:2px;background:var(--primary);
}
.prose-cn ol{counter-reset:item;}
.prose-cn ol > li{padding-left:26px;}
.prose-cn ol > li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:1px;font-size:14px;font-weight:700;color:var(--primary);
}
.prose-cn blockquote{
  margin:0 0 20px;padding:16px 20px;
  border-left:3px solid var(--primary);
  background:#F3F8FC;border-radius:0 10px 10px 0;
  color:var(--text-2);
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{border-radius:var(--r-md);border:1px solid rgba(15,36,54,.04);margin:6px 0;}
.prose-cn figure{margin:0 0 22px;}
.prose-cn figcaption{font-size:14px;color:var(--text-3);text-align:center;margin-top:8px;}
.prose-cn a{color:var(--primary);border-bottom:1px solid rgba(34,112,176,.35);transition:border-color .2s var(--ease);}
.prose-cn a:hover{border-bottom-color:var(--primary);}
.prose-cn table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;margin:0 0 22px;font-size:15px;
}
.prose-cn th{background:var(--band);text-align:left;font-weight:600;color:var(--ink);}
.prose-cn th,.prose-cn td{padding:10px 14px;border-bottom:1px solid var(--line);}
.prose-cn tbody tr:nth-child(even) td{background:#FAFCFE;}
.prose-cn tbody tr:last-child td{border-bottom:0;}
.prose-cn strong{color:var(--ink);}

.empty-box{
  border:1px dashed #C8D6E4;border-radius:var(--r-lg);
  background:#FBFDFF;padding:56px 24px;text-align:center;color:var(--text-3);
}
.empty-box .empty-icon{width:44px;height:44px;margin:0 auto 14px;color:#9FB4C7;}
.empty-box h2{font-size:18px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.empty-box p{font-size:14px;margin-bottom:18px;}

/* ---------- 文章底部 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 0;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);
  background:#EFF3F7;color:var(--text-2);font-size:12px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:var(--sh-flat);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.post-nav-card:hover{border-color:rgba(34,112,176,.4);box-shadow:var(--sh-card);transform:translateY(-2px);}
.post-nav-card small{display:block;font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-bottom:6px;}
.post-nav-card strong{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;}
.post-nav-card.right{text-align:right;}

.relate-block{margin-top:44px;}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.block-head h2{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.block-head .more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:transform .2s var(--ease);}
.block-head .more:hover{transform:translateX(4px);}
.relate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.relate-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-flat);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.relate-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(34,112,176,.35);}
.relate-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#E9F0F7;}
.relate-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.relate-card:hover .relate-thumb img{transform:scale(1.04);}
.relate-inner{padding:16px 18px 18px;}
.relate-inner h3{
  font-size:15px;font-weight:600;line-height:1.6;color:var(--ink);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;
}
.relate-inner time{font-size:13px;color:var(--text-3);}

@media (max-width:1023px){
  .relate-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:767px){
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.right{text-align:left;}
  .relate-grid{grid-template-columns:1fr;}
}

/* ---------- 侧栏 ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-flat);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);}
.toc-list{display:flex;flex-direction:column;}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;
  font-size:14px;line-height:1.6;color:var(--text-2);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.toc-list a:hover{color:var(--primary);border-left-color:var(--primary);background:#F6FAFD;}
.toc-empty{font-size:13px;line-height:1.7;color:var(--text-3);}
.rec-item{
  display:flex;gap:12px;align-items:center;padding:10px 0;
  border-bottom:1px dashed var(--line-weak);
  transition:transform .2s var(--ease);
}
.rec-item:last-child{border-bottom:0;padding-bottom:0;}
.rec-item:hover{transform:translateX(3px);}
.rec-item img{width:88px;height:64px;border-radius:8px;object-fit:cover;background:#E9F0F7;flex-shrink:0;}
.rec-item strong{
  display:block;font-size:14px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-item span{display:block;font-size:12px;color:var(--text-3);margin-top:3px;}
.side-btn{width:100%;}

/* ---------- CTA 带 ---------- */
.cta-band{padding:72px 0 0;}
.cta-card{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(15,62,96,.16);
}
.cta-card::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;
  border-radius:50%;border:26px solid rgba(255,255,255,.10);pointer-events:none;
}
.cta-card h2{font-size:28px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:10px;}
.cta-card p{font-size:16px;color:rgba(255,255,255,.82);line-height:1.7;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;position:relative;z-index:1;}
@media (max-width:1023px){
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .cta-actions{flex-wrap:wrap;}
}
@media (max-width:640px){
  .cta-band{padding:56px 0 0;}
  .cta-card h2{font-size:22px;}
  .cta-card p{font-size:15px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-white,.cta-actions .btn-outline-white{flex:1;justify-content:center;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6D4E1;margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{color:#7E93A6;}
.footer-desc{font-size:14px;line-height:1.8;color:#C6D4E1;margin-bottom:10px;max-width:260px;}
.footer-domain{font-size:13px;color:#7E93A6;letter-spacing:.04em;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  position:relative;display:inline-block;font-size:14px;color:#C6D4E1;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:13px;border-radius:2px;background:var(--primary);
  transition:transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:10px;}
.footer-col a:hover::before{transform:translateY(-50%) scaleY(1);}
.footer-contact{font-size:13px;line-height:1.8;color:#9FB2C4;margin-top:14px;}
.footer-contact a{color:#C6D4E1;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#7E93A6;
}
.footer-bottom a{color:#7E93A6;transition:color .2s var(--ease);}
.footer-bottom a:hover{color:#fff;}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .site-footer{padding-top:48px;margin-top:72px;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --primary:#2270B0;
  --primary-deep:#175A8E;
  --ink:#0F2436;
  --accent:#F26B3A;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --band:#EEF5FB;
  --border:#E3EAF2;
  --border-weak:#EDF2F7;
  --text:#10202E;
  --text-2:#5A6B7B;
  --text-3:#8698A8;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-flat:0 2px 8px rgba(15,62,96,.05);
  --shadow-card:0 8px 24px rgba(15,62,96,.07);
  --shadow-hover:0 16px 34px rgba(15,62,96,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,62,96,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#2270B0,#175A8E);
  box-shadow:0 4px 10px rgba(34,112,176,.25);
}
.brand-mark::after{
  content:"";position:absolute;inset:10px 8px 10px 10px;
  border-radius:3px 9px 9px 3px;background:rgba(255,255,255,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-tag{font-size:11px;color:var(--text-3);letter-spacing:.04em}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:16px;font-weight:600;color:var(--text-2);
  border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:rgba(34,112,176,.06)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;border-radius:8px;
  padding:8px 10px;font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.mega-trigger:hover{color:var(--primary);background:rgba(34,112,176,.06)}
.mega-trigger svg{transition:transform .2s var(--ease)}
.mega-wrap:hover .mega-trigger svg,
.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:560px;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow-hover);padding:20px;
  display:grid;grid-template-columns:2fr 1fr;gap:18px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--text-3);margin-bottom:10px}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.mega-list a{
  display:block;padding:8px 10px;border-radius:8px;
  font-size:14px;color:var(--text-2);transition:.2s var(--ease);
}
.mega-list a:hover{background:rgba(34,112,176,.08);color:var(--primary)}
.mega-card{
  background:var(--band);border-radius:12px;padding:16px;
  display:flex;flex-direction:column;gap:8px;justify-content:center;
}
.mega-card h4{font-size:15px;color:var(--ink)}
.mega-card p{font-size:13px;line-height:1.6;color:var(--text-2)}
.mega-card a{font-size:13px;font-weight:600;color:var(--primary);transition:.2s var(--ease)}
.mega-card a:hover{color:var(--primary-deep)}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:2px solid transparent;border-radius:10px;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary svg{transition:transform .2s var(--ease)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0);background:#14486F;box-shadow:none}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid var(--primary);border-radius:10px;
  background:transparent;color:var(--primary);font-size:15px;font-weight:600;
  transition:.2s var(--ease);
}
.btn-ghost:hover{background:rgba(34,112,176,.08);border-color:var(--primary-deep);color:var(--primary-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);background:rgba(34,112,176,.14)}

.header-cta{padding:9px 18px;font-size:14px;border-radius:10px}

.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:#fff;
  transition:.2s var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);background:rgba(34,112,176,.06)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.nav-drawer{display:none}
.nav-drawer.open{
  display:block;position:fixed;inset:0;z-index:90;background:#fff;
  padding:16px 16px 32px;overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;
  font-size:20px;line-height:1;color:var(--text-2);transition:.2s var(--ease);
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary)}
.drawer-link{
  display:flex;align-items:center;height:56px;
  border-bottom:1px solid var(--border-weak);
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-link:hover{color:var(--primary);padding-left:6px}
.drawer-link.active{color:var(--primary)}
.drawer-cta{margin-top:24px;width:100%;height:48px}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;isolation:isolate;
  background:linear-gradient(120deg,#EAF3FB 0%,#DCEAF6 100%);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.12;
}
.cat-hero-inner{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  min-height:300px;padding-top:40px;padding-bottom:40px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:14px}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--text-2)}
.cat-hero h1{font-size:32px;font-weight:700;line-height:1.28;max-width:700px}
.cat-hero-desc{margin-top:12px;font-size:16px;line-height:1.7;color:var(--text-2);max-width:640px}
.cat-hero-action{flex:0 0 auto;padding-bottom:6px}

/* ---------- 状态条 ---------- */
.status-strip{background:#fff;border-bottom:1px solid var(--border)}
.status-inner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding-top:14px;padding-bottom:14px;
  font-size:14px;color:var(--text-2);
}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(242,107,58,.15);
  animation:pulseDot 2.2s infinite;
}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.4}}
.status-sep{width:1px;height:14px;background:var(--border)}
.status-strong{color:var(--primary);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:32px;
}
.section-title{font-size:32px;font-weight:700;letter-spacing:.01em}
.section-sub{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-2)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
  transition:color .2s var(--ease);
}
.link-more .arw{transition:transform .2s var(--ease)}
.link-more:hover{color:var(--primary-deep)}
.link-more:hover .arw{transform:translateX(4px)}

/* ---------- 横滑片单轨道 ---------- */
.track{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 24px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.track::-webkit-scrollbar{display:none}
.poster-card{
  flex:0 0 auto;width:200px;scroll-snap-align:start;
  transition:transform .25s var(--ease);
}
.poster-card:hover{transform:translateY(-6px)}
.poster{
  position:relative;display:block;aspect-ratio:2/3;
  border-radius:12px;overflow:hidden;background:#E9F0F7;
  box-shadow:var(--shadow-flat);
  transition:box-shadow .25s var(--ease);
}
.poster-card:hover .poster{box-shadow:0 16px 32px rgba(15,62,96,.16)}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.poster-card:hover .poster img{transform:scale(1.04)}
.poster::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(to top,rgba(15,36,54,.88),rgba(15,36,54,0));
}
.poster-tag{
  position:absolute;top:10px;right:10px;z-index:2;
  font-size:11px;font-weight:600;letter-spacing:.02em;
  padding:3px 9px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary);
}
.poster-meta{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:10px 12px;color:#fff;display:flex;flex-direction:column;gap:2px;
}
.poster-meta strong{font-size:14px;font-weight:700;line-height:1.35}
.poster-meta em{font-style:normal;font-size:11px;color:rgba(255,255,255,.78);letter-spacing:.01em}

/* ---------- 主推双列大图 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.feature-card{
  position:relative;display:block;aspect-ratio:16/9;
  border-radius:16px;overflow:hidden;background:#0F2436;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-card img{width:100%;height:100%;object-fit:cover;opacity:.88;transition:transform .5s var(--ease)}
.feature-card:hover img{transform:scale(1.04)}
.feature-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,36,54,.94) 6%,rgba(15,36,54,.18) 72%);
}
.feature-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px;color:#fff}
.feature-no{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.16em;color:rgba(255,255,255,.72);
}
.feature-body h3{color:#fff;font-size:22px;font-weight:700;margin-top:6px}
.feature-body p{margin-top:8px;font-size:14px;line-height:1.65;color:rgba(255,255,255,.82);max-width:440px}
.feature-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:2px;
  transition:.2s var(--ease);
}
.feature-link .arw{transition:transform .2s var(--ease)}
.feature-link:hover{border-bottom-color:#fff}
.feature-link:hover .arw{transform:translateX(4px)}

/* ---------- 挑片三步 ---------- */
.guide-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.guide-aside h2{font-size:32px;line-height:1.3}
.guide-aside p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--text-2)}
.guide-aside .btn-ghost{margin-top:22px}
.guide-steps{display:flex;flex-direction:column}
.step{
  display:flex;gap:20px;padding:22px 6px;
  border-bottom:1px solid var(--border);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.step:first-child{border-top:1px solid var(--border)}
.step:hover{background:#F6F9FC;padding-left:14px}
.step-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(34,112,176,.1);color:var(--primary);
  font-family:var(--font-num);font-size:16px;font-weight:700;
}
.step h3{font-size:18px;font-weight:600;color:var(--ink)}
.step p{margin-top:6px;font-size:15px;line-height:1.75;color:var(--text-2)}

.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:var(--band);border-radius:16px;padding:28px;margin-top:44px;
}
.stat-num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--primary);line-height:1.1}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(34,112,176,.32);box-shadow:var(--shadow-card)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px;transition:transform .2s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{background:var(--band);padding:64px 0}
.cta-card{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:48px;border-radius:24px;
  background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
  box-shadow:0 18px 40px rgba(23,90,142,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;bottom:-80px;
  width:300px;height:300px;border-radius:50%;
  border:2px solid rgba(255,255,255,.12);
  box-shadow:0 0 0 40px rgba(255,255,255,.05),0 0 0 90px rgba(255,255,255,.04);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:30px;line-height:1.3;max-width:520px}
.cta-card p{margin-top:10px;font-size:16px;line-height:1.7;color:rgba(255,255,255,.82);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:2px solid #fff;border-radius:10px;
  background:#fff;color:var(--primary);font-size:15px;font-weight:600;
  transition:.2s var(--ease);
}
.btn-white svg{transition:transform .2s var(--ease)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,36,54,.2);color:var(--primary-deep)}
.btn-white:hover svg{transform:translateX(3px)}
.btn-white:active{transform:translateY(0)}
.btn-outline-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid rgba(255,255,255,.75);border-radius:10px;
  background:transparent;color:#fff;font-size:15px;font-weight:600;
  transition:.2s var(--ease);
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}
.btn-outline-white:active{transform:translateY(0)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F2436;color:#C6D4E1;padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;
  gap:32px;padding-bottom:48px;
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:#7E93A6}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.75;color:#9FB3C6;max-width:260px}
.footer-domain{margin-top:12px;font-size:13px;color:#7E93A6;letter-spacing:.02em}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{
  position:relative;display:inline-block;
  font-size:14px;color:#C6D4E1;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:14px;border-radius:2px;background:var(--primary);
  transition:transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:10px}
.footer-col a:hover::before{transform:translateY(-50%) scaleY(1)}
.footer-note{margin-top:16px;font-size:13px;line-height:1.7;color:#7E93A6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#7E93A6;
}
.footer-key{color:#8FA5B8}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega-panel{width:520px}
}
@media (max-width:1023px){
  .container-x{padding:0 24px}
  .header-inner{height:60px}
  .nav-links,.header-cta,.mega-wrap{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .cat-hero-inner{min-height:260px}
  .guide-grid{grid-template-columns:1fr;gap:32px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card.offset{margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .cat-hero-inner{
    min-height:240px;flex-direction:column;align-items:flex-start;
    gap:20px;padding-top:32px;padding-bottom:32px;
  }
  .cat-hero h1{font-size:24px}
  .cat-hero-desc{font-size:15px}
  .poster-card{width:148px}
  .feature-body{padding:18px}
  .feature-body h3{font-size:18px}
  .stats-band{grid-template-columns:1fr 1fr;padding:20px}
  .stat-num{font-size:24px}
  .guide-aside h2{font-size:24px}
  .cta-band{padding:48px 0}
  .cta-card{padding:28px;border-radius:18px}
  .cta-card h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-white,.cta-actions .btn-outline-white{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-desc{max-width:100%}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root{
  --primary:#2270B0;
  --primary-deep:#175A8E;
  --ink:#0F2436;
  --accent:#F26B3A;
  --page:#F6F9FC;
  --card:#FFFFFF;
  --tint:#EEF5FB;
  --line:#E3EAF2;
  --line-weak:#EDF2F7;
  --text:#10202E;
  --text-2:#5A6B7B;
  --text-3:#8698A8;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --sh-flat:0 2px 8px rgba(15,62,96,.05);
  --sh-card:0 8px 24px rgba(15,62,96,.07);
  --sh-hover:0 16px 34px rgba(15,62,96,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #F26B3A;outline-offset:2px;border-radius:8px}
.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}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(15,62,96,.06)}
.header-inner{display:flex;align-items:center;gap:28px;height:60px}
@media (min-width:1024px){.header-inner{height:68px;gap:34px}}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;position:relative;
  background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
  box-shadow:0 4px 10px rgba(34,112,176,.28);
}
.brand-mark::before,.brand-mark::after{
  content:'';position:absolute;left:8px;right:8px;height:2px;border-radius:2px;background:rgba(255,255,255,.92);
}
.brand-mark::before{top:11px}
.brand-mark::after{top:18px;right:13px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-tag{font-size:11px;color:var(--text-3);letter-spacing:.06em;margin-top:3px}
.nav-links{display:none;align-items:center;gap:26px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:10px 0;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:'';position:absolute;bottom:2px;left:50%;right:50%;height:3px;border-radius:999px;
  background:var(--primary);transition:left .2s var(--ease),right .2s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{left:0;right:0}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{left:0;right:0}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.mega-wrap{position:relative;display:none}
@media (min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--text-2);
  padding:10px 2px;transition:color .2s var(--ease);
}
.mega-trigger:hover{color:var(--primary)}
.caret{
  width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);transition:transform .2s var(--ease);margin-top:-3px;
}
.mega-wrap:hover .caret,.mega-wrap:focus-within .caret{transform:rotate(225deg) translate(-2px,-2px)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:560px;
  display:grid;grid-template-columns:1.7fr 1fr;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--sh-hover);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  z-index:80;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.mega-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.mega-list a:hover{background:rgba(34,112,176,.08);color:var(--primary)}
.mega-card{
  background:var(--tint);border-radius:12px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;gap:10px;
}
.mega-card h4{font-size:15px;font-weight:700;color:var(--ink)}
.mega-card p{font-size:13px;line-height:1.6;color:var(--text-2)}
.mega-card .mega-link{font-size:13px;font-weight:600;color:var(--primary)}
.mega-card .mega-link:hover{color:var(--primary-deep);text-decoration:underline}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  padding:12px 22px;border-radius:10px;border:2px solid transparent;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--sh-card)}
.btn-primary:active{transform:translateY(0);background:#134d7a}
.btn-primary .arrow{transition:transform .2s var(--ease)}
.btn-primary:hover .arrow{transform:translateX(3px)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--primary);font-size:15px;font-weight:600;
  padding:12px 22px;border-radius:10px;border:1px solid var(--primary);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{background:rgba(34,112,176,.08);border-color:var(--primary-deep);color:var(--primary-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);background:rgba(34,112,176,.14)}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--primary);font-size:15px;font-weight:600;
  padding:12px 24px;border-radius:10px;border:2px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(9,34,55,.24);background:#F3F8FC}
.btn-outline-white{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;font-size:15px;font-weight:600;
  padding:12px 24px;border-radius:10px;border:1px solid rgba(255,255,255,.6);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.hamburger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:11px;border-radius:10px;border:1px solid var(--line);
  background:#fff;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.hamburger:hover{background:var(--tint);border-color:#CFE0EF}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:background .2s var(--ease)}
@media (min-width:1024px){.hamburger{display:none}}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  display:flex;flex-direction:column;padding:20px 20px 28px;
  overflow-y:auto;
}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-head .brand-name{font-size:18px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  font-size:22px;line-height:1;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{background:var(--tint);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;min-height:56px;font-size:17px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line-weak);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover{color:var(--primary);padding-left:6px}
.drawer-nav a.active{color:var(--primary)}
.drawer-cta{margin-top:24px;justify-content:center;width:100%}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(118deg,#EAF3FB 0%,#E2EEF8 52%,#DCEAF6 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.12;
}
.hero-inner{
  position:relative;z-index:2;
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  min-height:240px;padding-top:32px;padding-bottom:32px;
}
@media (min-width:768px){.hero-inner{min-height:300px;padding-top:44px;padding-bottom:44px}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:14px}
.crumb a{color:var(--text-2);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#B7C9D9}
.crumb [aria-current]{color:var(--primary);font-weight:600}
.page-hero h1{
  font-size:26px;line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.01em;
  max-width:720px;
}
@media (min-width:768px){.page-hero h1{font-size:32px}}
.hero-sub{margin-top:12px;font-size:15px;line-height:1.7;color:#3E5A72;max-width:620px}
.hero-btn{flex:none;display:none}
@media (min-width:768px){.hero-btn{display:inline-flex}}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:24px;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:-.01em}
@media (min-width:768px){.section-title{font-size:32px}}
.section-sub{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.6}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.text-link:hover{color:var(--primary-deep);transform:translateX(4px)}
.grid-12{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.grid-12{grid-template-columns:repeat(12,1fr)}}
.col-8{grid-column:span 1}
.col-4{grid-column:span 1}
@media (min-width:1024px){.col-8{grid-column:span 8}.col-4{grid-column:span 4}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-flat);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(34,112,176,.1);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:999px;
}
.chip-accent{background:rgba(242,107,58,.1);color:var(--accent)}

/* ---------- Guide directory ---------- */
.dir-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.dir-head h2{font-size:18px;font-weight:700;color:var(--ink)}
.dir-head span{font-size:13px;color:var(--text-3)}
.guide-list{padding:8px 12px 16px}
.guide-row{
  display:flex;align-items:center;gap:16px;
  padding:14px 12px;min-height:76px;border-radius:12px;
  border-bottom:1px solid var(--line-weak);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.guide-row:last-child{border-bottom:0}
.guide-row:hover{background:#F6F9FC}
.guide-row:hover .guide-arrow{transform:translateX(6px);color:var(--primary-deep)}
.guide-num{
  font-family:Inter,system-ui,sans-serif;font-size:20px;font-weight:700;color:#C4D6E6;
  min-width:38px;text-align:center;flex:none;transition:color .2s var(--ease);
}
.guide-row:hover .guide-num{color:#9FC0DA}
.guide-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.guide-title{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4}
.guide-desc{font-size:14px;line-height:1.6;color:var(--text-2)}
.guide-arrow{margin-left:auto;flex:none;font-size:18px;color:var(--primary);transition:transform .2s var(--ease),color .2s var(--ease)}

.side-stack{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.side-stack{position:sticky;top:96px}}
.side-card{padding:22px}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px}
.jump-list{display:flex;flex-direction:column;gap:2px}
.jump-list a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 10px;border-radius:8px;
  font-size:14px;color:var(--text-2);border-left:2px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.jump-list a:hover{background:rgba(34,112,176,.07);color:var(--primary);border-left-color:var(--primary)}
.side-note{
  background:var(--tint);border:1px solid #DCEAF6;border-radius:var(--r-lg);padding:22px;
}
.side-note h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:10px}
.side-note p{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:14px}

/* ---------- Method block ---------- */
.method-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.method-grid{grid-template-columns:5fr 7fr;align-items:stretch}}
.method-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:280px;
  box-shadow:var(--sh-card);border:1px solid var(--line);
}
.method-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.method-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,36,54,.05) 30%,rgba(15,36,54,.78) 100%)}
.method-visual .cap{position:absolute;left:22px;right:22px;bottom:22px;z-index:2;color:#fff}
.method-visual .cap .chip{background:rgba(255,255,255,.18);color:#fff;margin-bottom:10px}
.method-visual .cap h3{font-size:20px;font-weight:700;line-height:1.4}
.method-visual .cap p{font-size:13px;line-height:1.6;color:rgba(255,255,255,.82);margin-top:6px}
.method-list{display:flex;flex-direction:column;gap:14px}
.method-item{
  display:flex;gap:16px;padding:20px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-flat);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.method-item:hover{box-shadow:var(--sh-card);border-color:#CFE0EF;transform:translateY(-2px)}
.method-item .mi-icon{
  width:44px;height:44px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  background:rgba(34,112,176,.1);color:var(--primary);font-weight:700;font-family:Inter,system-ui,sans-serif;
}
.method-item h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.method-item p{font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- Label & score ---------- */
.label-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.label-grid{grid-template-columns:7fr 5fr}}
.label-list{display:flex;flex-direction:column;gap:12px}
.label-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.label-item:hover{border-color:#CFE0EF;box-shadow:var(--sh-flat)}
.label-item .chip{flex:none;margin-top:2px}
.label-item h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:4px}
.label-item p{font-size:14px;line-height:1.7;color:var(--text-2)}
.score-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card)}
.score-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.score-card > p{font-size:13px;color:var(--text-3);margin-bottom:18px}
.score-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-weak)}
.score-row:last-of-type{border-bottom:0}
.score-row .range{
  font-family:Inter,system-ui,sans-serif;font-size:14px;font-weight:700;color:var(--primary);
  background:rgba(34,112,176,.09);border-radius:8px;padding:4px 10px;min-width:62px;text-align:center;
}
.score-row .desc{font-size:13px;line-height:1.6;color:var(--text-2)}
.score-bar{height:6px;border-radius:999px;background:var(--line-weak);margin-top:16px;overflow:hidden}
.score-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2270B0,#175A8E)}

/* ---------- Timeline ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:20px;padding-left:0}
.tl-item{position:relative;display:flex;gap:18px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-flat);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.tl-item:hover{box-shadow:var(--sh-card);transform:translateY(-2px)}
.tl-dot{
  width:36px;height:36px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  background:rgba(34,112,176,.1);color:var(--primary);font-family:Inter,system-ui,sans-serif;font-weight:700;font-size:14px;
  border:2px solid rgba(34,112,176,.22);
}
.tl-item h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.tl-item p{font-size:14px;line-height:1.7;color:var(--text-2)}
.tl-item .meta{display:inline-flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:0;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(34,112,176,.3);box-shadow:var(--sh-flat)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-plus{position:relative;width:18px;height:18px;flex:none}
.faq-plus::before,.faq-plus::after{
  content:'';position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-plus::before{left:0;right:0;top:8px;height:2px}
.faq-plus::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-plus::before{transform:rotate(45deg)}
.faq-item[open] .faq-plus::after{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{background:var(--tint);padding:56px 0}
@media (min-width:768px){.cta-band{padding:72px 0}}
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
  border-radius:24px;padding:36px 24px;
  display:flex;flex-direction:column;gap:24px;
  box-shadow:0 18px 40px rgba(15,62,96,.18);
}
@media (min-width:768px){.cta-card{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 44px}}
.cta-card::after{
  content:'';position:absolute;right:-60px;bottom:-70px;width:260px;height:260px;border-radius:50%;
  border:2px solid rgba(255,255,255,.12);
}
.cta-card h2{font-size:24px;font-weight:700;color:#fff;line-height:1.3}
@media (min-width:768px){.cta-card h2{font-size:30px}}
.cta-card p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.82);margin-top:10px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ---------- Footer ---------- */
.site-footer{background:#0F2436;color:#C6D4E1;padding:56px 0 26px}
@media (min-width:768px){.site-footer{padding:64px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px}}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:#7E93A6}
.footer-desc{font-size:14px;line-height:1.7;color:#C6D4E1;margin:16px 0 10px;max-width:260px}
.footer-domain{font-size:13px;color:#7E93A6;letter-spacing:.04em}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{
  display:inline-block;font-size:14px;color:#C6D4E1;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col li a:hover{color:#fff;transform:translateX(4px)}
.footer-contact{font-size:13px;line-height:1.8;color:#8FA6B8;margin-top:14px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7E93A6;
}
.footer-bottom a{color:#7E93A6;transition:color .2s var(--ease)}
.footer-bottom a:hover{color:#fff}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}

@media (max-width:767px){
  .page-hero h1{font-size:23px}
  .section-title{font-size:22px}
  .guide-row{padding:12px 8px;min-height:72px}
  .guide-num{min-width:32px;font-size:17px}
  .guide-title{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category4 */
:root{
  --primary:#2270B0;
  --primary-deep:#175A8E;
  --ink:#0F2436;
  --accent:#F26B3A;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --band:#EEF5FB;
  --line:#E3EAF2;
  --line-soft:#EDF2F7;
  --text:#10202E;
  --text-2:#5A6B7B;
  --text-3:#8698A8;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-flat:0 2px 8px rgba(15,62,96,.05);
  --sh-card:0 8px 24px rgba(15,62,96,.07);
  --sh-hover:0 16px 34px rgba(15,62,96,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}
.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;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,62,96,.06);}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:60px;
}
@media (min-width:1024px){.header-inner{height:68px;gap:24px;}}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(135deg,#2E86CC 0%,#2270B0 52%,#175A8E 100%);
  position:relative;
  flex:none;
  box-shadow:0 4px 10px rgba(34,112,176,.24);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:9px;
  top:11px;
  width:14px;
  height:10px;
  border-radius:50% 50% 45% 45%/60% 60% 40% 40%;
  background:rgba(255,255,255,.9);
}
.brand-mark::before{
  content:"";
  position:absolute;
  right:7px;
  top:20px;
  width:9px;
  height:9px;
  border-radius:2px 50% 50% 50%;
  transform:rotate(20deg);
  background:rgba(255,255,255,.72);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-tag{
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.06em;
  margin-top:3px;
}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:14px;
  }
}
.nav-link{
  position:relative;
  font-size:16px;
  font-weight:600;
  color:var(--text-2);
  padding:20px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:12px;
  width:0;
  height:3px;
  border-radius:3px;
  background:var(--primary);
  transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:60%;}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{width:100%;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.mega-wrap{position:relative;display:none;}
@media (min-width:1024px){.mega-wrap{display:block;}}
.mega-trigger{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:9px 14px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.mega-trigger:hover,
.mega-wrap:focus-within .mega-trigger{
  color:var(--primary);
  background:rgba(34,112,176,.08);
}
.caret{
  width:0;height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:5px solid currentColor;
  transition:transform .25s var(--ease);
}
.mega-wrap:focus-within .caret,
.mega-trigger[aria-expanded="true"] .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:560px;
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-hover);
  border:1px solid var(--line);
  padding:18px;
  display:grid;
  grid-template-columns:1.9fr 1fr;
  gap:16px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-trigger[aria-expanded="true"] + .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text-3);
  padding:0 10px 8px;
}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:2px;}
.mega-item{
  display:block;
  font-size:14px;
  color:var(--text-2);
  padding:9px 10px;
  border-radius:8px;
  transition:all .18s var(--ease);
}
.mega-item:hover{
  background:rgba(34,112,176,.08);
  color:var(--primary);
  transform:translateX(2px);
}
.mega-card{
  background:var(--band);
  border-radius:var(--r-md);
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.mega-card h5{
  font-size:14px;
  font-weight:700;
  color:var(--text);
}
.mega-card p{
  font-size:12.5px;
  line-height:1.6;
  color:var(--text-2);
}
.mega-card a{
  margin-top:auto;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.mega-card a:hover{gap:8px;color:var(--primary-deep);}
.header-cta{display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--text);
  transition:all .2s var(--ease);
}
.nav-toggle:hover{background:var(--band);border-color:#CFE0EF;color:var(--primary);}
.nav-toggle:active{transform:translateY(1px);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  border:2px solid transparent;
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  box-shadow:var(--sh-flat);
  transition:all .2s var(--ease);
}
.btn-primary svg{transition:transform .2s var(--ease);}
.btn-primary:hover{
  background:var(--primary-deep);
  transform:translateY(-1px);
  box-shadow:var(--sh-card);
}
.btn-primary:hover svg{transform:translateX(3px);}
.btn-primary:active{transform:translateY(0);background:#12496F;box-shadow:none;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  border:1px solid var(--primary);
  background:transparent;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:all .2s var(--ease);
}
.btn-ghost:hover{
  background:rgba(34,112,176,.08);
  border-color:var(--primary-deep);
  color:var(--primary-deep);
  transform:translateY(-1px);
  box-shadow:var(--sh-flat);
}
.btn-ghost:active{transform:translateY(0);background:rgba(34,112,176,.16);}
.btn-block{width:100%;}

/* ---------- Chips / badges ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(34,112,176,.1);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.2;
}
.chip-accent{
  background:rgba(242,107,58,.1);
  color:var(--accent);
}
.chip-light{
  background:rgba(255,255,255,.18);
  color:#fff;
  border:1px solid rgba(255,255,255,.32);
}
.dot-live{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#2FA46A;
  box-shadow:0 0 0 3px rgba(47,164,106,.16);
  flex:none;
}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#EAF3FB 0%,#F4F9FE 46%,#E8F1FA 100%);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.12;
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  min-height:240px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
  padding-top:28px;
  padding-bottom:28px;
}
@media (min-width:1024px){
  .cat-hero-inner{
    min-height:300px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:40px;
    padding-top:36px;
    padding-bottom:36px;
  }
}
.cat-hero-text{max-width:660px;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-2);
  margin-bottom:12px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#B7C7D6;}
.crumb-now{color:var(--primary);font-weight:600;}
.cat-h1{
  font-size:25px;
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
  color:var(--ink);
}
@media (min-width:768px){.cat-h1{font-size:32px;}}
.cat-sub{
  margin-top:12px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
  max-width:560px;
}
@media (min-width:768px){.cat-sub{font-size:16px;}}
.cat-hero-actions{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:10px;
  flex:none;
}
.hero-note{
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.02em;
}

/* ---------- Status strip ---------- */
.status-strip{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.status-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  padding-top:14px;
  padding-bottom:14px;
  font-size:13.5px;
  color:var(--text-2);
}
.status-item{display:inline-flex;align-items:center;gap:8px;}
.status-item strong{color:var(--text);font-weight:600;font-family:"Inter",system-ui,sans-serif;}
.status-divider{
  width:1px;
  height:14px;
  background:var(--line);
  display:none;
}
@media (min-width:768px){.status-divider{display:block;}}

/* ---------- Section basics ---------- */
.section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.section{padding-top:72px;padding-bottom:72px;}}
@media (min-width:1024px){.section{padding-top:88px;padding-bottom:88px;}}
.section-tight{padding-top:40px;padding-bottom:40px;}
@media (min-width:1024px){.section-tight{padding-top:56px;padding-bottom:56px;}}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:28px;
}
.section-title{
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  line-height:1.3;
  position:relative;
  padding-left:14px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:3px;
  background:var(--primary);
}
@media (min-width:768px){.section-title{font-size:30px;}}
.section-desc{
  margin-top:8px;
  font-size:14.5px;
  color:var(--text-2);
  padding-left:14px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--primary);
}
.link-more svg{transition:transform .2s var(--ease);}
.link-more:hover{color:var(--primary-deep);}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- Stats cards ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-flat);
  transition:all .2s var(--ease);
}
.stat-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-card);
  border-color:#CFE0EF;
}
.stat-num{
  font-family:"Inter",system-ui,sans-serif;
  font-size:28px;
  font-weight:700;
  color:var(--primary);
  line-height:1.1;
}
.stat-num small{font-size:13px;font-weight:600;margin-left:3px;color:var(--text-2);}
.stat-label{
  margin-top:8px;
  font-size:13.5px;
  color:var(--text-2);
}

/* ---------- Help layout ---------- */
.help-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:start;
}
@media (min-width:1024px){
  .help-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;}
}
.help-main-title{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.help-main-sub{
  font-size:14px;
  color:var(--text-2);
  margin-bottom:20px;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-flat);
  transition:all .22s var(--ease);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .2s var(--ease);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-index{
  font-family:"Inter",system-ui,sans-serif;
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  background:rgba(34,112,176,.1);
  border-radius:8px;
  padding:3px 8px;
  flex:none;
}
.faq-plus{
  position:relative;
  width:18px;
  height:18px;
  margin-left:auto;
  flex:none;
  transition:transform .25s var(--ease);
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-plus::before{left:0;top:8px;width:18px;height:2px;}
.faq-plus::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-item[open]{
  border-color:rgba(34,112,176,.3);
  box-shadow:0 10px 26px rgba(15,62,96,.09);
}
.faq-body{
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  border-top:1px solid var(--line-soft);
  margin-top:-2px;
  padding-top:16px;
}
.faq-body p + p{margin-top:10px;}
.faq-body strong{color:var(--text);font-weight:600;}

/* ---------- Side cards ---------- */
.side-stack{
  display:flex;
  flex-direction:column;
  gap:20px;
}
@media (min-width:1024px){
  .side-stack{position:sticky;top:96px;}
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-card);
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
}
.entry-list{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.entry-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px;
  border-radius:var(--r-sm);
  transition:all .2s var(--ease);
}
.entry-item:hover{background:#F6F9FC;transform:translateX(2px);}
.entry-icon{
  width:32px;
  height:32px;
  border-radius:9px;
  background:rgba(34,112,176,.1);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.entry-text b{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  line-height:1.4;
}
.entry-text span{
  display:block;
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.5;
  margin-top:2px;
}
.side-tip{
  background:var(--band);
  border:1px solid #DCEAF6;
  border-radius:var(--r-lg);
  padding:20px;
}
.side-tip h4{
  font-size:14.5px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
}
.side-tip p{
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
}
.side-tip .tip-meta{
  margin-top:12px;
  font-size:12.5px;
  color:var(--text-3);
}

/* ---------- Entry cards with image ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.entry-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-flat);
  display:flex;
  flex-direction:column;
  transition:all .22s var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:#CFE0EF;
}
.entry-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#E9F0F7;
}
.entry-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-thumb .thumb-tag{
  position:absolute;
  left:12px;
  top:12px;
  background:rgba(15,36,54,.72);
  color:#fff;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.02em;
  padding:4px 9px;
  border-radius:999px;
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}
.entry-body{
  padding:16px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.entry-body h3{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  line-height:1.45;
}
.entry-body p{
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
}
.entry-link{
  margin-top:auto;
  font-size:13.5px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.entry-link:hover{color:var(--primary-deep);gap:9px;}

/* ---------- Notice timeline ---------- */
.notice-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:8px 8px;
  box-shadow:var(--sh-flat);
}
@media (min-width:768px){.notice-panel{padding:10px 12px;}}
.notice-row{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 12px;
  border-bottom:1px solid var(--line-soft);
  transition:background-color .2s var(--ease);
  border-radius:10px;
}
.notice-row:last-child{border-bottom:0;}
.notice-row:hover{background:#F6F9FC;}
.notice-date{
  font-family:"Inter",system-ui,sans-serif;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:rgba(34,112,176,.1);
  border-radius:8px;
  padding:4px 9px;
  flex:none;
  white-space:nowrap;
}
.notice-text b{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
}
.notice-text span{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.65;
  margin-top:3px;
}
.notice-badge{
  margin-left:auto;
  flex:none;
  align-self:center;
  display:none;
}
@media (min-width:768px){.notice-badge{display:inline-flex;}}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--band);
  padding-top:48px;
  padding-bottom:48px;
}
@media (min-width:1024px){.cta-band{padding-top:64px;padding-bottom:64px;}}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:linear-gradient(135deg,#2270B0 0%,#175A8E 100%);
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  gap:20px;
  box-shadow:0 18px 40px rgba(23,90,142,.24);
}
@media (min-width:1024px){
  .cta-card{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:36px 40px;
    gap:32px;
  }
}
.cta-card h2{
  font-size:22px;
  font-weight:700;
  color:#fff;
  line-height:1.35;
}
@media (min-width:768px){.cta-card h2{font-size:26px;}}
.cta-card p{
  margin-top:8px;
  font-size:15px;
  line-height:1.7;
  color:rgba(255,255,255,.82);
  max-width:520px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex:none;
}
.btn-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  border:2px solid #fff;
  background:#fff;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:all .2s var(--ease);
}
.btn-white:hover{background:#F2F8FD;transform:translateY(-1px);box-shadow:0 10px 22px rgba(9,38,61,.22);}
.btn-white:active{transform:translateY(0);background:#E6F1FA;}
.btn-outline-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.72);
  background:transparent;
  color:#fff;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:all .2s var(--ease);
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px);}
.btn-outline-white:active{transform:translateY(0);background:rgba(255,255,255,.22);}
.cta-deco{
  position:absolute;
  right:-30px;
  bottom:-40px;
  width:220px;
  height:220px;
  border-radius:50%;
  border:1.5px solid rgba(255,255,255,.12);
  pointer-events:none;
}
.cta-deco::after{
  content:"";
  position:absolute;
  inset:34px;
  border-radius:50%;
  border:1.5px solid rgba(255,255,255,.1);
}

/* ---------- Footer ---------- */
.site-footer{
  background:#0F2436;
  color:#C6D4E1;
  padding-top:56px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:28px;}}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{color:#7E93A6;}
.footer-desc{
  margin-top:14px;
  font-size:13.5px;
  line-height:1.8;
  color:#9FB3C6;
  max-width:260px;
}
.footer-domain{
  margin-top:12px;
  font-family:"Inter",system-ui,sans-serif;
  font-size:13px;
  color:#7E93A6;
  letter-spacing:.04em;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{
  position:relative;
  display:inline-block;
  font-size:13.5px;
  color:#A9BCCD;
  padding-left:0;
  transition:all .2s var(--ease);
}
.footer-col li a::before{
  content:"";
  position:absolute;
  left:-10px;
  top:50%;
  transform:translateY(-50%);
  width:2px;
  height:0;
  background:var(--primary);
  border-radius:2px;
  transition:height .2s var(--ease);
}
.footer-col li a:hover{color:#fff;padding-left:8px;}
.footer-col li a:hover::before{height:14px;}
.footer-contact{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.75;
  color:#7E93A6;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding-top:18px;
  padding-bottom:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:#7E93A6;
}
.footer-bottom a{color:#7E93A6;}
.footer-bottom a:hover{color:#fff;}
.footer-bottom .sep{margin:0 8px;color:#3A5164;}

/* ---------- Mobile drawer ---------- */
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(15,36,54,.42);
  z-index:80;
  opacity:0;
  visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(86vw,360px);
  background:#fff;
  z-index:90;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;
  flex-direction:column;
  padding:18px 18px 24px;
  box-shadow:-16px 0 40px rgba(15,62,96,.18);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--text-2);
  font-size:20px;
  line-height:1;
  transition:all .2s var(--ease);
}
.drawer-close:hover{background:var(--band);color:var(--primary);border-color:#CFE0EF;}
.drawer-nav{display:flex;flex-direction:column;margin-top:6px;}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--line-soft);
  transition:all .2s var(--ease);
}
.drawer-link:hover{color:var(--primary);padding-left:6px;}
.drawer-link.active{color:var(--primary);}
.drawer-cta{margin-top:20px;}
body.no-scroll{overflow:hidden;}

/* ---------- Responsive tuning ---------- */
@media (max-width:519px){
  .cat-hero-actions{width:100%;}
  .cat-hero-actions .btn-primary{width:100%;}
  .hero-note{text-align:left;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}