/* roulang page: index */
:root{
  --brand:#15539B; --brand-dark:#0E3B72; --brand-light:#E8F0FA;
  --accent:#FF7A2C; --accent-dark:#E8620F; --mint:#12B5A5;
  --bg:#F5F8FC; --card:#FFFFFF; --line:#E4EBF4;
  --text:#1B2733; --muted:#61708A; --disabled:#A9B4C4;
  --r-card:14px; --r-card-lg:18px; --r-btn:10px;
  --sh-1:0 6px 18px rgba(16,42,79,.06);
  --sh-2:0 14px 32px rgba(16,42,79,.12);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1200px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);transition:box-shadow .25s ease-out,background .25s ease-out}
.site-header.scrolled{box-shadow:0 6px 20px rgba(16,42,79,.08)}
.topbar{display:flex;align-items:center;gap:16px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#2C74C6);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;transform:skewX(-8deg);box-shadow:var(--sh-1)}
.logo-mark span{transform:skewX(8deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--brand-dark)}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted)}
.nav-search{flex:1;min-width:0;display:none}
@media (min-width:1024px){.nav-search{display:block}}
.search-box{display:flex;align-items:center;gap:8px;height:46px;padding:4px 4px 4px 16px;background:#fff;border:1px solid var(--line);border-radius:999px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10)}
.search-box svg{flex-shrink:0;color:var(--brand)}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.search-box input::placeholder{color:var(--muted)}
.search-btn{height:38px;padding:0 22px;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease-out}
.search-btn:hover{background:var(--brand-dark)}
.topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.hotline{display:none;font-size:14px;color:var(--muted)}
@media (min-width:1280px){.hotline{display:inline}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .24s ease-out,background .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;min-height:44px;white-space:nowrap}
.btn-sm{height:40px;padding:0 16px;font-size:14px;min-height:40px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:scale(.98)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{background:#fff;color:var(--brand);border-color:#C9D9EC}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-light);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#EAF2FC;transform:translateY(-2px)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
@media (min-width:1024px){.menu-btn{display:none}}
.chan-bar{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:0 0 10px;scrollbar-width:none}
.chan-bar::-webkit-scrollbar{display:none}
.chan{position:relative;padding:8px 12px;font-size:15px;color:var(--muted);white-space:nowrap;border-radius:8px;transition:color .2s ease-out,background .2s ease-out}
.chan:hover{color:var(--brand);background:var(--brand-light)}
.chan.active{color:var(--brand);font-weight:700}
.chan.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px}
.chan-all{margin-left:auto;display:none;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14px;color:var(--muted);cursor:pointer}
.chan-all:hover{border-color:var(--brand);color:var(--brand)}
@media (min-width:1024px){.chan-all{display:inline-flex}}
.mobile-search{display:block;padding:0 0 12px}
@media (min-width:1024px){.mobile-search{display:none}}
.drawer{position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:80;transform:translateX(100%);transition:transform .3s ease-out;padding:20px;overflow-y:auto;box-shadow:-10px 0 40px rgba(16,42,79,.16)}
.drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(14,59,114,.42);z-index:70;opacity:0;visibility:hidden;transition:opacity .3s ease-out,visibility .3s ease-out}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer h4{font-size:13px;color:var(--muted);font-weight:600;margin:22px 0 10px}
.drawer-link{display:block;padding:12px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text)}
.drawer-link:hover,.drawer-link.active{background:var(--brand-light);color:var(--brand)}

/* ---------- hero ---------- */
.hero{position:relative;background-image:linear-gradient(100deg,#fff 0%,rgba(255,255,255,.93) 36%,rgba(245,248,252,.76) 60%,rgba(245,248,252,.36) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-repeat:no-repeat;padding:40px 0 0}
@media (min-width:1024px){.hero{padding:56px 0 0;min-height:600px}}
.hero-grid{display:grid;gap:28px}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;align-items:center;gap:40px}}
.pill{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;box-shadow:var(--sh-1)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;opacity:.85}
h1.hero-title{font-size:30px;font-weight:800;line-height:1.3;color:var(--brand-dark);margin:18px 0 14px;letter-spacing:-.2px}
@media (min-width:1024px){h1.hero-title{font-size:46px;line-height:1.2}}
.hero-sub{font-size:16px;color:#33455C;max-width:32em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 26px}
.trust{display:flex;flex-wrap:wrap;gap:14px 30px}
.trust-item{display:flex;flex-direction:column}
.trust-item b{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.trust-item span{font-size:13px;color:var(--muted)}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);box-shadow:var(--sh-2);padding:18px;position:relative;overflow:hidden}
.hero-card img{border-radius:12px;aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-card .tagline{position:absolute;top:26px;left:26px;background:rgba(255,255,255,.94);color:var(--brand);font-size:13px;font-weight:700;padding:6px 12px;border-radius:6px}
.benefit-list{margin-top:16px;display:grid;gap:10px}
.benefit-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#33455C}
.tick{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:rgba(18,181,165,.12);color:var(--mint);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:2px}
.count-bar{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:14px 18px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.count-label{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.clock{display:flex;align-items:center;gap:6px;margin-left:auto}
.clock-num{min-width:46px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--brand-light);color:var(--brand-dark);border-radius:8px;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;font-family:ui-monospace,Menlo,Consolas,monospace}
.clock-unit{font-size:12px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:48px 0}
@media (min-width:1024px){.section{padding:76px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px}
@media (min-width:1024px){.sec-head{margin-bottom:32px}}
.sec-head h2{font-size:24px;font-weight:700;color:var(--brand-dark)}
@media (min-width:1024px){.sec-head h2{font-size:32px}}
.sec-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:44em}
.link-arrow{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out}
.link-arrow:hover{gap:10px;text-decoration:underline}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;font-size:12px;font-weight:600}
.badge-cat{background:var(--brand-light);color:var(--brand)}
.badge-orange{background:var(--accent);color:#fff}
.badge-mint{background:rgba(18,181,165,.12);color:#0E8F83}

/* 价值速览条 */
.quick-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media (min-width:1024px){.quick-grid{grid-template-columns:repeat(4,1fr)}}
.quick{background:#fff;border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);border:1px solid rgba(228,235,244,.7)}
.quick .qi{width:38px;height:38px;border-radius:10px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.quick h3{font-size:16px;font-weight:700;margin-bottom:6px}
.quick p{font-size:13px;color:var(--muted);line-height:1.7}

/* 优惠阶梯 */
.stair-grid{display:grid;gap:18px}
@media (min-width:768px){.stair-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.stair-grid{grid-template-columns:repeat(4,1fr);align-items:end}}
.stair{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease-out,box-shadow .25s ease-out}
.stair:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
@media (min-width:1024px){
  .stair:nth-child(1){padding-bottom:24px}
  .stair:nth-child(2){padding-bottom:40px}
  .stair:nth-child(3){padding-bottom:58px}
  .stair:nth-child(4){padding-bottom:76px}
}
.stair-no{font-size:34px;font-weight:800;color:#DCE6F3;line-height:1;font-variant-numeric:tabular-nums}
.stair h3{font-size:18px;font-weight:700;margin:10px 0 6px}
.stair .cond{font-size:13px;color:var(--muted);padding-bottom:14px;border-bottom:1px dashed var(--line);margin-bottom:14px}
.stair ul{display:grid;gap:9px;margin-bottom:16px}
.stair li{display:flex;gap:8px;font-size:14px;color:#33455C}

/* 套餐对比 */
.plan-wrap{position:relative}
.plan-scroll{display:grid;gap:18px}
@media (min-width:1024px){.plan-scroll{grid-template-columns:repeat(3,1fr);align-items:start}}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);padding:24px;box-shadow:var(--sh-1);position:relative}
@media (min-width:1024px){.plan.recommend{transform:translateY(-12px);border-color:#F3C39C;box-shadow:var(--sh-2)}}
.plan .corner{position:absolute;top:-13px;left:24px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;transform:skewX(-12deg)}
.plan .corner i{font-style:normal;display:inline-block;transform:skewX(12deg)}
.plan h3{font-size:19px;font-weight:700;color:var(--brand-dark)}
.plan .price{font-size:15px;color:var(--muted);margin:6px 0 16px}
.plan .price b{font-size:26px;color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums}
.plan-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.plan-row:last-of-type{border-bottom:0}
.plan-row .k{flex:1;color:var(--muted)}
.plan-row .v{font-weight:600;color:var(--text)}
.plan-row .v.no{color:var(--disabled);font-weight:500}
.swipe-hint{display:flex;justify-content:center;font-size:13px;color:var(--muted);margin-bottom:12px}
@media (min-width:1024px){.swipe-hint{display:none}}
@media (max-width:1023px){
  .plan-scroll{grid-auto-flow:column;grid-auto-columns:minmax(280px,86%);overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
  .plan{scroll-snap-align:start}
}

/* 深色限时带 */
.dark-band{background:#0E3B72;border-radius:var(--r-card-lg);padding:32px 24px;color:#fff;position:relative;overflow:hidden;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
@media (min-width:1024px){.dark-band{padding:40px 40px;margin:64px 0}}
.dark-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(75deg,rgba(255,255,255,.07) 0 2px,transparent 2px 16px);pointer-events:none}
.dark-band h2{font-size:22px;font-weight:700;position:relative}
@media (min-width:1024px){.dark-band h2{font-size:28px}}
.dark-band .sub{font-size:13px;color:rgba(255,255,255,.72);margin-top:8px;position:relative}
.dark-clock{display:flex;gap:8px;position:relative}
.dark-clock .clock-num{background:rgba(255,255,255,.14);color:#fff;min-width:52px;height:48px;font-size:22px}

/* 反馈 */
.feedback{display:grid;gap:22px}
@media (min-width:1024px){.feedback{grid-template-columns:5fr 7fr;align-items:center}}
.feedback-img{border-radius:var(--r-card-lg);overflow:hidden;box-shadow:var(--sh-2)}
.feedback-img img{aspect-ratio:4/3;object-fit:cover;width:100%;border-radius:0}
.quote-list{display:grid;gap:14px}
.quote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:10px;padding:16px 18px;box-shadow:var(--sh-1)}
.quote p{font-size:14px;color:#33455C}
.quote footer{margin-top:10px;font-size:13px;color:var(--muted)}

/* 资讯 */
.news-grid{display:grid;gap:20px}
@media (min-width:1024px){.news-grid{grid-template-columns:7fr 5fr;align-items:start}}
.news-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease-out,box-shadow .25s ease-out;display:block}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-main .cover{aspect-ratio:16/9;overflow:hidden;border-radius:0}
.news-main .cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease-out}
.news-main:hover .cover img{transform:scale(1.03)}
.news-main .body{padding:20px 22px 24px}
.news-main h3{font-size:20px;font-weight:700;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main .meta{margin-top:14px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);box-shadow:var(--sh-1);padding:8px 20px}
.news-mini{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.news-mini:last-child{border-bottom:0}
.news-mini .date{font-size:13px;color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;flex-shrink:0;width:76px}
.news-mini h4{font-size:15px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.news-mini:hover h4{color:var(--brand)}
.news-mini .cat{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card-lg);padding:32px;text-align:center}
.empty-state .ei{width:48px;height:48px;border-radius:14px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center}
.empty-state p{font-size:15px;color:var(--muted)}

/* FAQ */
.faq-wrap{display:grid;gap:12px}
@media (min-width:1024px){.faq-wrap{grid-template-columns:repeat(2,1fr);align-content:start}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease-out}
.faq-item.open{border-color:#C9D9EC}
.faq-q{width:100%;display:flex;align-items:flex-start;gap:12px;padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:var(--brand-dark)}
.faq-q .no{flex-shrink:0;width:24px;height:24px;border-radius:7px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px}
.faq-item.open .faq-q{position:relative}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;background:var(--accent);border-radius:0 4px 4px 0}
.faq-q .chev{margin-left:auto;flex-shrink:0;transition:transform .25s ease-out;color:var(--muted);margin-top:4px}
.faq-item.open .chev{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-item.open .faq-a{max-height:400px}
.faq-a .inner{margin:0 20px 18px 56px;background:#F7FAFE;border-radius:10px;padding:14px 16px;font-size:14px;color:#33455C}

/* 表单 */
.consult-grid{display:grid;gap:22px}
@media (min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr}}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);padding:24px;box-shadow:var(--sh-1)}
.contact-card ul{display:grid;gap:16px;margin-top:18px}
.contact-card li{display:flex;gap:12px;font-size:14px;color:#33455C}
.contact-card li b{display:block;font-size:15px;color:var(--text)}
.ci{width:36px;height:36px;border-radius:10px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card-lg);padding:24px;box-shadow:var(--sh-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field label .req{color:var(--brand)}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:11px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:15px;outline:none;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10)}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2361708A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form-2col{display:grid;gap:16px}
@media (min-width:640px){.form-2col{grid-template-columns:1fr 1fr}}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:4px 0 16px}
.privacy input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand)}
.form-tip{margin-top:14px;font-size:14px;min-height:22px;color:var(--mint);font-weight:600}

/* footer */
.site-footer{background:#0E3B72;color:rgba(255,255,255,.82);margin-top:56px;padding:48px 0 0}
.footer-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:5fr 2.4fr 2.6fr 3fr}}
.site-footer h5{font-size:15px;color:#fff;font-weight:700;margin:0 0 14px}
.site-footer .brandline{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;margin-bottom:12px}
.site-footer p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.72)}
.site-footer li{margin-bottom:10px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.78);transition:color .2s ease-out}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:36px;border-top:1px solid rgba(255,255,255,.14);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.7)}
.to-top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);color:var(--brand);display:none;align-items:center;justify-content:center;cursor:pointer;z-index:50}
.to-top.show{display:flex}
@media (max-width:520px){
  h1.hero-title{font-size:26px}
  .sec-head h2{font-size:21px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .clock{margin-left:0}
}

/* roulang page: article */
:root{
  --brand:#15539B; --brand-dark:#0E3B72; --brand-light:#E8F0FA;
  --accent:#FF7A2C; --accent-dark:#E8620F; --mint:#12B5A5;
  --bg:#F5F8FC; --card:#FFFFFF; --line:#E4EBF4;
  --text:#1B2733; --muted:#61708A; --disabled:#A9B4C4;
  --radius:14px; --radius-lg:18px; --radius-btn:10px;
  --shadow-1:0 6px 18px rgba(16,42,79,.06);
  --shadow-2:0 14px 32px rgba(16,42,79,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px; line-height:1.8; letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 20px;
  border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .24s ease-out;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,44,.28)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(232,98,15,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C9D9EC}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light)}
.btn-soft{background:var(--brand);color:#fff}
.btn-soft:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-line{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{background:var(--brand-light);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:6px;
  font-size:13px;font-weight:600;background:var(--brand-light);color:var(--brand)}
.badge-accent{background:var(--accent);color:#fff}
.badge-mint{background:rgba(18,181,165,.12);color:#0B8F83}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px;transition:all .2s ease-out}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease-out}
.site-header.is-scrolled{box-shadow:0 8px 22px rgba(16,42,79,.09)}
.header-top{display:flex;align-items:center;gap:18px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;
  font-size:15px;font-weight:800;letter-spacing:.06em}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;font-weight:800;color:var(--brand-dark);white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);white-space:nowrap}
.search-box{display:flex;align-items:center;gap:8px;flex:1 1 40%;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 5px 5px 16px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10)}
.search-box svg{flex:0 0 auto;color:var(--brand)}
.search-box input{flex:1 1 auto;min-width:0;height:36px;border:0;background:transparent;outline:none;font-size:15px}
.search-box input::placeholder{color:var(--disabled)}
.search-box button{flex:0 0 auto;height:38px;padding:0 22px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease-out}
.search-box button:hover{background:var(--brand-dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.hotline{font-size:13px;color:var(--muted);white-space:nowrap}
.hotline b{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--brand)}
.chan-wrap{border-top:1px solid var(--line)}
.chan-bar{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;position:relative}
.chan-bar::-webkit-scrollbar{display:none}
.chan{position:relative;padding:15px 0 17px;font-size:15px;font-weight:500;color:#3A4A5F;white-space:nowrap;transition:color .2s ease-out}
.chan::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .24s ease-out}
.chan:hover{color:var(--brand)}
.chan:hover::after{transform:scaleX(1)}
.chan.active{color:var(--brand);font-weight:700}
.chan.active::after{transform:scaleX(1)}
.chan-all{display:inline-flex;align-items:center;gap:6px;padding:15px 0 17px;margin-left:auto;
  border:0;background:transparent;color:var(--muted);font-size:14px;cursor:pointer;white-space:nowrap;transition:color .2s ease-out}
.chan-all:hover{color:var(--brand)}

/* 移动端抽屉 */
.mobile-panel{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .3s ease-out;padding:20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(16,42,79,.14)}
.mobile-panel.is-open{transform:translateX(0)}
.panel-mask{position:fixed;inset:0;background:rgba(11,30,54,.42);opacity:0;visibility:hidden;
  transition:opacity .3s ease-out,visibility .3s;z-index:85}
.panel-mask.is-open{opacity:1;visibility:visible}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.panel-head strong{font-size:17px;color:var(--brand-dark)}
.panel-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  font-size:20px;line-height:1;color:var(--muted);cursor:pointer}
.panel-nav{display:flex;flex-direction:column;gap:4px;margin:16px 0}
.panel-nav a{padding:13px 12px;border-radius:10px;font-size:15px;font-weight:500;color:#3A4A5F;transition:all .2s ease-out}
.panel-nav a:hover{background:var(--brand-light);color:var(--brand)}
.panel-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.9}
.panel-search{margin-top:6px}

/* ============ 顶部横幅 ============ */
.page-banner{background:
  linear-gradient(96deg,#FFFFFF 0%,rgba(255,255,255,.92) 46%,rgba(255,255,255,.70) 100%),
  url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);padding:26px 0 34px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .2s ease-out}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#C6D2E2}
.crumb .current{color:#8C99AC;max-width:min(420px,52vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.banner-kicker{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:13px;
  font-weight:600;color:var(--brand);background:var(--brand-light);border-radius:6px;padding:5px 12px}
.banner-title{font-size:clamp(26px,3.6vw,42px);line-height:1.28;font-weight:800;color:var(--brand-dark);
  margin-top:14px;max-width:900px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted)}
.meta-row .bar{width:1px;height:12px;background:#D3DEEB}
.meta-row time,.meta-row .num{font-variant-numeric:tabular-nums}

/* ============ 正文布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  align-items:start;padding-top:40px;padding-bottom:72px}
.article-main{min-width:0;max-width:760px;margin:0 auto}
.article-side{position:sticky;top:104px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:16px;font-weight:700;color:var(--brand-dark);margin-bottom:6px}
.side-card p{font-size:14px;color:var(--muted);line-height:1.9}
.side-list{margin:14px 0 16px;display:flex;flex-direction:column;gap:10px}
.side-list li{display:flex;gap:10px;font-size:14px;color:#3A4A5F;line-height:1.7}
.side-list svg{flex:0 0 auto;margin-top:5px;color:var(--mint)}
.side-quote{margin-top:18px;padding:14px 16px;background:var(--brand-light);
  border-left:4px solid var(--accent);border-radius:0 12px 12px 0;font-size:14px;color:#28405C;line-height:1.8}
.side-quote cite{display:block;margin-top:8px;font-style:normal;font-size:12px;color:var(--muted)}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.9;color:var(--text);overflow-wrap:break-word}
.article-body > p:first-child{font-size:18px;font-weight:500;color:#16273A}
.article-body p{margin:14px 0 16px}
.article-body h2{position:relative;font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.4;
  color:var(--brand-dark);margin:40px 0 14px;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;color:#16273A;margin:28px 0 10px}
.article-body h4{font-size:17px;font-weight:600;color:var(--brand);margin:20px 0 8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-dark)}
.article-body ul,.article-body ol{margin:12px 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:7px 0;line-height:1.9}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--brand-light);
  border-left:4px solid var(--accent);border-radius:0 12px 12px 0;color:#28405C;font-size:16px}
.article-body img{border-radius:12px;margin:22px auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border-radius:12px;overflow:hidden}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:600;text-align:left}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px}
.article-body code{background:var(--brand-light);color:var(--brand-dark);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body strong{font-weight:700;color:#16273A}

/* 空态 */
.empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:56px 24px;text-align:center;box-shadow:var(--shadow-1)}
.empty-state svg{color:#B9C7DA;margin:0 auto 14px}
.empty-state h2{font-size:20px;font-weight:700;color:var(--brand-dark);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px}

/* ============ 标签 / 底部模块 ============ */
.article-foot{margin-top:40px}
.tag-group{display:flex;flex-wrap:wrap;gap:10px}
.divider{height:1px;background:var(--line);margin:32px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--brand-dark)}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:4px}
.section-head .more:hover{color:var(--accent-dark)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s ease-out,box-shadow .24s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-img{position:relative;aspect-ratio:16/9;background:#EDF2F8;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-img img{transform:scale(1.03)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;color:#16273A;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--disabled);margin-top:auto;font-variant-numeric:tabular-nums}
.back-row{display:flex;justify-content:center;margin-top:28px}

/* ============ CTA 咨询条 ============ */
.cta-band{background:linear-gradient(100deg,var(--brand-dark),#134A89);color:#fff;
  padding:56px 0;margin-top:8px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.4}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.78);margin-top:8px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:#D7E2F1;padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand span{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.14);font-weight:800;font-size:14px;color:#fff}
.foot-brand strong{font-size:18px;font-weight:800;color:#fff}
.foot-about{font-size:14px;line-height:1.9;color:#A9C1DE;max-width:340px}
.foot-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px;color:#A9C1DE;transition:color .2s ease-out}
.foot-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.foot-contact li{font-size:14px;color:#A9C1DE;line-height:1.8}
.foot-contact b{color:#fff;font-variant-numeric:tabular-nums}
.foot-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8FA9C8}
.foot-bottom a{color:#8FA9C8}
.foot-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ============ 响应式 ============ */
@media(max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:32px;padding-bottom:56px}
  .article-side{display:none}
  .article-main{max-width:760px}
}
@media(max-width:1023px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
}
@media(max-width:860px){
  .header-actions .hotline{display:none}
  .brand-text em{display:none}
}
@media(max-width:767px){
  .nav-toggle{display:inline-flex}
  .header-actions{display:none}
  .header-top{flex-wrap:wrap;gap:12px;padding:12px 0 10px}
  .brand{flex:1 1 auto}
  .search-box{order:3;flex:1 1 100%}
  .chan-bar{gap:20px;padding-right:32px}
  .chan,.chan-all{font-size:14px}
  .banner-title{margin-top:12px}
  .crumb .current{max-width:200px}
  .cta-inner{gap:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 160px}
}
@media(max-width:639px){
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .article-body{font-size:16px}
  .article-body > p:first-child{font-size:17px}
  .page-banner{padding:20px 0 26px}
  .article-layout{padding-top:24px;padding-bottom:48px}
  .empty-state{padding:40px 18px}
  .cta-band{padding:44px 0}
  .site-footer{padding-top:44px}
}

/* roulang page: category1 */
:root{
  --brand:#15539B;
  --brand-dark:#0E3B72;
  --brand-light:#E8F0FA;
  --accent:#FF7A2C;
  --accent-dark:#E8620F;
  --mint:#12B5A5;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E4EBF4;
  --text:#1B2733;
  --text-2:#61708A;
  --disabled:#A9B4C4;
  --r-sm:6px;
  --r:14px;
  --r-lg:18px;
  --r-btn:10px;
  --sh-1:0 6px 18px rgba(16,42,79,.06);
  --sh-2:0 14px 32px rgba(16,42,79,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,opacity .2s ease-out}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:640px){.container{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out,background-color .25s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(16,42,79,.10);background:rgba(255,255,255,.98)}
.header-top-inner{display:flex;align-items:center;gap:20px;min-height:78px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;
  letter-spacing:.5px;position:relative;overflow:hidden;
}
.brand-mark::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 38%,rgba(255,255,255,.22) 50%,transparent 62%)}
.brand-text strong{display:block;font-size:17px;font-weight:800;line-height:1.3;letter-spacing:.2px}
.brand-text em{display:block;font-style:normal;font-size:12px;line-height:1.4;color:var(--text-2)}
.nav-search{
  flex:1 1 auto;max-width:560px;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:4px 4px 4px 16px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10)}
.nav-search .ico{color:var(--brand);flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;border:0;outline:0;background:transparent;
  height:38px;font-size:14px;padding:0 10px;min-width:0;
}
.nav-search input::placeholder{color:#93A1B5}
.search-btn{
  background:var(--brand);color:#fff;border-radius:999px;
  padding:0 20px;height:38px;font-size:14px;font-weight:600;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.search-btn:hover{background:var(--brand-dark)}
.search-btn:active{transform:scale(.97)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.hotline{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  align-items:center;justify-content:center;
}
.nav-row{border-top:1px solid var(--line);background:#fff}
.chan-bar{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.chan-bar::-webkit-scrollbar{display:none}
.chan{
  position:relative;padding:13px 16px;font-size:15px;color:var(--text-2);
  white-space:nowrap;border-radius:8px;font-weight:500;
}
.chan:hover{color:var(--brand);background:var(--brand-light)}
.chan.active{color:var(--brand);font-weight:700}
.chan.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;
  background:var(--brand);border-radius:2px;
}
.chan-all{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--text-2);padding:8px 14px;border-radius:999px;
  border:1px solid var(--line);white-space:nowrap;transition:.2s ease-out;
}
.chan-all:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-light)}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .22s ease-out,color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,44,.28)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,44,.32)}
.btn-accent:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid #BFD5EE}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:var(--brand-light)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,28,54,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s ease-out;
  padding:20px;overflow-y:auto;box-shadow:-12px 0 34px rgba(16,42,79,.16);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2)}
.drawer-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 14px;margin-bottom:20px}
.drawer-search input{flex:1;border:0;outline:0;height:38px;font-size:14px;background:transparent;min-width:0}
.drawer-nav a{display:block;padding:13px 14px;border-radius:10px;font-size:15px;color:var(--text);border:1px solid transparent}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand)}
.drawer-nav a.active{background:var(--brand-light);color:var(--brand);font-weight:700;border-color:#CFE0F5}
.drawer-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);line-height:1.9}
.drawer-foot strong{color:var(--brand);font-variant-numeric:tabular-nums}

/* ============ 分类页头图 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:54px 0 58px;min-height:288px;display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 44%,rgba(255,255,255,.58) 100%);
}
.page-hero-inner{position:relative;z-index:1;max-width:800px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:16px}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline}
.breadcrumb .sep{color:#B8C4D6}
.page-hero h1{
  font-size:30px;line-height:1.28;font-weight:800;letter-spacing:.2px;color:var(--text);
}
@media(min-width:768px){.page-hero h1{font-size:40px}}
@media(min-width:1024px){.page-hero h1{font-size:46px;line-height:1.2}}
.hero-desc{margin-top:16px;font-size:15px;line-height:1.9;color:#3D4C63;max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{
  font-size:13px;font-weight:600;color:var(--brand);
  background:#fff;border:1px solid #CFE0F5;border-radius:999px;padding:5px 14px;
}

/* 锚点条 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;align-items:center;gap:8px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-label{
  font-size:12px;color:var(--text-2);letter-spacing:.08em;
  padding-right:12px;border-right:1px solid var(--line);white-space:nowrap;flex:0 0 auto;
}
.anchor-inner a{
  font-size:14px;color:var(--text-2);padding:6px 14px;border-radius:999px;
  background:var(--bg);white-space:nowrap;flex:0 0 auto;font-weight:500;
}
.anchor-inner a:hover{background:var(--brand-light);color:var(--brand)}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:84px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.kicker{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-light);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-title{font-size:24px;font-weight:700;line-height:1.35}
@media(min-width:1024px){.section-title{font-size:31px}}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.9}

/* 数据条 */
.stat-strip{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media(min-width:1024px){.stat-strip{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-item{
  background:#fff;border-radius:var(--r);padding:22px 24px;
  box-shadow:var(--sh-1);border:1px solid transparent;
}
.stat-num{
  font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px}
.stat-label{font-size:14px;font-weight:600;margin-top:6px}
.stat-note{font-size:13px;color:var(--text-2);margin-top:4px}

/* 图文交错 */
.split{display:grid;gap:32px;align-items:center}
@media(min-width:1024px){.split{grid-template-columns:1.04fr .96fr;gap:56px}}
@media(min-width:1024px){.split.reverse .split-media{order:-1}}
.split-text p{color:#3D4C63;font-size:15.5px;line-height:1.9}
.split-text p + p{margin-top:14px}
.media-figure{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  background:#E9EFF7;position:relative;
}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .3s ease-out}
.media-figure:hover img{transform:scale(1.03)}
.media-caption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(14,59,114,.78),rgba(14,59,114,0));
}
.point-list{display:grid;gap:12px;margin:22px 0 24px}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--text);align-items:flex-start}
.check{
  width:22px;height:22px;border-radius:999px;background:rgba(18,181,165,.12);
  color:var(--mint);display:grid;place-items:center;flex:0 0 auto;margin-top:4px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-weight:600;font-size:15px;transition:gap .2s ease-out,color .2s ease-out;
}
.link-arrow:hover{gap:11px;color:var(--brand-dark);text-decoration:underline}

/* 课程卡网格 */
.course-grid{display:grid;gap:20px}
@media(min-width:640px){.course-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.course-grid{grid-template-columns:repeat(6,1fr)}}
.course-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.course-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE0F5}
.course-card .thumb{overflow:hidden;background:#E9EFF7}
.course-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.course-card:hover .thumb img{transform:scale(1.04)}
.course-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.course-card h3{font-size:17px;font-weight:700}
.course-card .meta{font-size:13.5px;color:var(--text-2);line-height:1.8}
@media(min-width:1024px){
  .course-grid .course-card:nth-child(1){grid-column:span 3}
  .course-grid .course-card:nth-child(2){grid-column:span 3}
  .course-grid .course-card:nth-child(3){grid-column:span 2}
  .course-grid .course-card:nth-child(4){grid-column:span 4}
  .course-grid .course-card:nth-child(4) .thumb img{aspect-ratio:16/7}
}
.badge{font-size:12px;padding:4px 10px;border-radius:var(--r-sm);background:var(--brand-light);color:var(--brand);font-weight:600;display:inline-block}
.badge-accent{background:rgba(255,122,44,.13);color:var(--accent-dark)}
.badge-mint{background:rgba(18,181,165,.13);color:#0E8F82}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}

/* 流程 */
.flow{display:grid;gap:20px}
@media(min-width:768px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;
  position:relative;transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.flow-num{font-size:34px;font-weight:800;color:#DCE8F7;line-height:1;font-variant-numeric:tabular-nums}
.flow-item h3{font-size:17px;font-weight:700;margin-top:12px}
.flow-item p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.85}

/* 对比清单 */
.compare-list{display:grid;gap:14px}
.compare-item{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.compare-item:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:#CFE0F5}
.compare-name{font-size:17px;font-weight:700;min-width:148px}
.compare-meta{font-size:13.5px;color:var(--text-2);line-height:1.8}
.compare-side{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.compare-price{font-size:16px;font-weight:800;color:var(--accent-dark);font-variant-numeric:tabular-nums}
@media(max-width:640px){.compare-side{margin-left:0;align-items:flex-start}}

/* 评价 */
.quote-grid{display:grid;gap:20px}
@media(min-width:1024px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.quote-card p{font-size:15px;color:#3D4C63;line-height:1.9}
.quote-who{font-size:13.5px;color:var(--text-2);font-weight:600;margin-top:auto}
.quote-mark{font-size:30px;font-weight:800;color:#CFE0F5;line-height:1}
.quote-stars{display:flex;gap:3px;color:var(--accent)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s ease-out}
.faq-item:hover{border-color:#CFE0F5}
.faq-item.open{border-color:#BFD5EE}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:12px;text-align:left;
  padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--text);
  transition:background-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-q:hover{background:#F8FAFD}
.faq-item.open .faq-q{box-shadow:inset 4px 0 0 var(--accent)}
.faq-idx{color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;flex:0 0 auto}
.faq-icon{margin-left:auto;flex:0 0 auto;color:var(--text-2);transition:transform .25s ease-out}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a-inner{padding:0 22px 20px 50px;font-size:14.5px;color:#48576E;line-height:1.9;background:#F8FAFD}
.faq-a-inner p{padding-top:14px}

/* CTA 深色条 */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-dark);color:#fff;
  border-radius:var(--r-lg);padding:34px 26px;
  display:grid;gap:24px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-80px;width:240px;height:240px;
  background:rgba(255,255,255,.05);transform:rotate(14deg);border-radius:32px;
}
@media(min-width:1024px){.cta-band{grid-template-columns:1.5fr auto;padding:44px 48px}}
.cta-band h2{font-size:22px;font-weight:700;line-height:1.35;position:relative;z-index:1}
@media(min-width:1024px){.cta-band h2{font-size:28px}}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.76);position:relative;z-index:1}
.cta-right{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
@media(min-width:1024px){.cta-right{align-items:flex-end}}
.countdown{display:flex;gap:8px}
.countdown span{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);
  border-radius:8px;padding:6px 12px;font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;min-width:46px;text-align:center;
}
.countdown-note{font-size:13px;color:rgba(255,255,255,.7)}

/* 互链卡 */
.link-cards{display:grid;gap:20px}
@media(min-width:768px){.link-cards{grid-template-columns:repeat(3,1fr)}}
.link-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE0F5}
.link-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.link-card p{font-size:14px;color:var(--text-2);line-height:1.85}

/* 表单 */
.consult-grid{display:grid;gap:32px}
@media(min-width:1024px){.consult-grid{grid-template-columns:1fr 1.25fr;gap:48px}}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;box-shadow:var(--sh-1);margin-top:22px;
}
.contact-row{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line)}
.contact-row:last-child{border-bottom:0}
.contact-row .ico{color:var(--brand);flex:0 0 auto;margin-top:4px}
.contact-row strong{display:block;font-size:14px}
.contact-row span{font-size:13px;color:var(--text-2)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
@media(min-width:1024px){.form-card{padding:32px}}
.form-grid{display:grid;gap:18px}
@media(min-width:768px){.form-grid{grid-template-columns:repeat(2,1fr)}}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field label .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;min-height:46px;padding:10px 14px;font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;outline:none;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10)}
.field input::placeholder,.field textarea::placeholder{color:#9AA8BC}
.field select{
  appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2361708A' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.form-note{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);margin-top:16px}
.form-note input{width:18px;height:18px;min-height:0;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.form-result{margin-top:16px;font-size:14px;display:none;border-radius:10px;padding:12px 16px}
.form-result.ok{display:block;background:rgba(18,181,165,.10);color:#0E8F82;border:1px solid rgba(18,181,165,.28)}
.form-result.err{display:block;background:rgba(225,74,74,.08);color:#B4382F;border:1px solid rgba(225,74,74,.24)}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.76);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1E6BC4,#0B2E5C)}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:330px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;line-height:1.8}
.footer-contact strong{color:#fff;font-variant-numeric:tabular-nums}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

@media(max-width:960px){
  .header-top-inner{flex-wrap:wrap;gap:12px;padding:12px 0}
  .nav-search{order:3;flex-basis:100%;max-width:none}
  .hotline{display:none}
  .menu-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
  .chan-all{margin-left:12px}
}
@media(max-width:640px){
  .page-hero{padding:38px 0 42px;min-height:240px}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px}
  .stat-item{padding:18px}
  .stat-num{font-size:24px}
  .btn{min-height:44px}
  .cta-band{padding:28px 20px}
}

/* roulang page: category2 */
:root{
    --brand:#15539B;
    --brand-dark:#0E3B72;
    --brand-light:#E8F0FA;
    --accent:#FF7A2C;
    --accent-dark:#E8620F;
    --mint:#12B5A5;
    --page:#F5F8FC;
    --card:#FFFFFF;
    --line:#E4EBF4;
    --ink:#1B2733;
    --muted:#61708A;
    --disabled:#A9B4C4;
    --radius:14px;
    --radius-lg:18px;
    --shadow-1:0 6px 18px rgba(16,42,79,.06);
    --shadow-2:0 14px 32px rgba(16,42,79,.12);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
    background:var(--page);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px}
  .num{font-variant-numeric:tabular-nums}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
  @media (min-width:768px){.container{padding:0 24px}}
  @media (min-width:1024px){.container{padding:0 32px}}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.97);
    backdrop-filter:saturate(140%) blur(2px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease-out;
  }
  .site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,42,79,.10)}
  .topbar{display:flex;align-items:center;gap:14px;padding:11px 0}
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{
    width:44px;height:44px;border-radius:12px;flex:none;
    background:linear-gradient(140deg,var(--brand),var(--brand-dark));
    color:#fff;display:grid;place-items:center;
    font-weight:800;font-size:15px;letter-spacing:.5px;position:relative;overflow:hidden;
  }
  .brand-mark::after{
    content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(105deg,rgba(255,255,255,.14) 0 2px,transparent 2px 9px);
    opacity:.7;
  }
  .brand-text strong{display:block;font-size:17px;font-weight:800;letter-spacing:.3px;line-height:1.25}
  .brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px}

  .search-box{
    display:none;flex:1;max-width:520px;position:relative;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    height:44px;padding:0 4px 0 14px;transition:border-color .22s ease-out,box-shadow .22s ease-out;
  }
  .search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10)}
  .search-box svg{color:var(--brand);flex:none}
  .search-box input{
    flex:1;border:0;outline:0;background:transparent;height:100%;
    font-size:14px;color:var(--ink);padding:0 10px;
  }
  .search-box input::placeholder{color:var(--disabled)}
  .search-btn{
    height:36px;padding:0 18px;border:0;border-radius:999px;
    background:var(--brand);color:#fff;font-size:14px;font-weight:600;
    transition:background .2s ease-out,transform .2s ease-out;
  }
  .search-btn:hover{background:var(--brand-dark)}
  .search-btn:active{transform:scale(.97)}

  .top-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none}
  .hotline{
    display:none;font-size:14px;font-weight:700;color:var(--brand);
    padding-right:12px;border-right:1px solid var(--line);
  }
  .hotline span{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.4px}
  .menu-toggle{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;display:grid;place-items:center;color:var(--brand);
  }
  .menu-toggle:hover{border-color:var(--brand);background:var(--brand-light)}

  .mobile-search{padding:0 0 12px}
  .mobile-search .search-box{display:flex;max-width:none}

  /* 频道条 */
  .chan-wrap{border-top:1px solid var(--line);background:#fff}
  .chan-inner{display:flex;align-items:center;gap:12px}
  .chan-bar{
    display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;
    flex:1;padding:2px 0;
  }
  .chan-bar::-webkit-scrollbar{display:none}
  .chan{
    position:relative;flex:none;padding:12px 14px;font-size:15px;font-weight:600;
    color:var(--muted);white-space:nowrap;transition:color .2s ease-out;
  }
  .chan:hover{color:var(--brand)}
  .chan::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease-out;
  }
  .chan.active{color:var(--brand)}
  .chan.active::after{transform:scaleX(1)}
  .chan-all{
    flex:none;display:inline-flex;align-items:center;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    height:36px;padding:0 14px;font-size:14px;color:var(--brand);font-weight:600;
    transition:border-color .2s ease-out,background .2s ease-out;
  }
  .chan-all:hover{border-color:var(--brand);background:var(--brand-light)}

  /* 按钮系统 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
    font-size:15px;font-weight:600;transition:all .22s ease-out;white-space:nowrap;
  }
  .btn:active{transform:scale(.98)}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,44,.24)}
  .btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,44,.30)}
  .btn-ghost{background:#fff;color:var(--brand);border-color:#CBD9EC}
  .btn-ghost:hover{border-color:var(--brand);background:var(--brand-light)}
  .btn-brand{background:var(--brand);color:#fff}
  .btn-brand:hover{background:var(--brand-dark);transform:translateY(-1px)}
  .btn-white{background:#fff;color:var(--brand)}
  .btn-white:hover{background:var(--brand-light);transform:translateY(-1px)}
  .btn-link{
    display:inline-flex;align-items:center;gap:4px;color:var(--brand);
    font-size:14px;font-weight:600;transition:color .2s ease-out;
  }
  .btn-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
  .btn-disabled{opacity:.45;pointer-events:none;box-shadow:none}

  /* 徽章与标签 */
  .badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600;line-height:1.6}
  .badge-brand{background:var(--brand-light);color:var(--brand)}
  .badge-accent{background:var(--accent);color:#fff}
  .badge-mint{background:rgba(18,181,165,.12);color:#0E8C80}
  .badge-line{background:#fff;color:var(--muted);border:1px solid var(--line)}

  /* 卡片 */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);transition:transform .25s ease-out,box-shadow .25s ease-out;
  }
  .card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
  .card-media{overflow:hidden;border-radius:12px}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
  .card-hover:hover .card-media img{transform:scale(1.03)}

  /* 页面段落节奏 */
  .section{padding:48px 0}
  @media (min-width:768px){.section{padding:72px 0}}
  .sec-head{margin-bottom:24px}
  .sec-title{font-size:24px;font-weight:700;color:var(--ink)}
  @media (min-width:768px){.sec-title{font-size:32px}}
  .sec-desc{margin-top:8px;color:var(--muted);font-size:15px;max-width:760px}
  .rule{height:1px;background:var(--line);border:0;margin:0}

  /* ============ 页头 Banner ============ */
  .page-hero{
    position:relative;overflow:hidden;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    min-height:280px;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.88) 46%,rgba(245,248,252,.55) 100%);
  }
  .page-hero::after{
    content:"";position:absolute;top:-40px;right:-60px;width:340px;height:340px;
    background:repeating-linear-gradient(120deg,rgba(21,83,155,.12) 0 3px,transparent 3px 16px);
    transform:rotate(8deg);opacity:.5;pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;padding:40px 0 44px}
  @media (min-width:768px){.hero-inner{padding:56px 0 60px}}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
  .crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
  .crumb .sep{color:#C6D2E2}
  .crumb .now{color:var(--ink)}
  .hero-brandline{
    display:inline-flex;align-items:center;gap:8px;margin-top:18px;
    font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;
  }
  .hero-brandline::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--accent)}
  .page-hero h1{
    margin-top:10px;font-size:30px;font-weight:800;letter-spacing:.5px;color:var(--ink);
  }
  @media (min-width:768px){.page-hero h1{font-size:44px}}
  @media (min-width:1024px){.page-hero h1{font-size:50px}}
  .hero-sub{margin-top:14px;max-width:660px;font-size:15px;color:#3D4A5C}
  @media (min-width:768px){.hero-sub{font-size:16px}}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}

  /* 锚点小导航 */
  .anchor-nav{
    position:sticky;top:104px;z-index:40;
    background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);
  }
  .anchor-inner{display:flex;gap:6px;overflow-x auto;overflow-x:auto;scrollbar-width:none;padding:8px 0}
  .anchor-inner::-webkit-scrollbar{display:none}
  .anchor-inner a{
    flex:none;padding:8px 14px;border-radius:999px;font-size:14px;font-weight:600;
    color:var(--muted);border:1px solid transparent;transition:all .2s ease-out;
  }
  .anchor-inner a:hover{color:var(--brand);background:var(--brand-light)}

  /* 数据条 */
  .data-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  @media (min-width:900px){.data-strip{grid-template-columns:repeat(4,1fr);gap:20px}}
  .data-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:18px 20px;box-shadow:var(--shadow-1);
  }
  .data-item .val{font-size:26px;font-weight:800;color:var(--brand);line-height:1.2}
  .data-item .val small{font-size:14px;font-weight:600;color:var(--muted);margin-left:2px}
  .data-item .lab{margin-top:6px;font-size:13px;color:var(--muted)}

  /* 图文区块 */
  .split{display:grid;gap:28px;align-items:center}
  @media (min-width:960px){.split{grid-template-columns:1fr 1fr;gap:52px}}
  .split.rev .split-media{order:-1}
  @media (min-width:960px){.split.rev .split-media{order:0}}
  .split-title{font-size:22px;font-weight:700}
  @media (min-width:768px){.split-title{font-size:28px}}
  .split-text p{margin-top:14px;color:#39465A;font-size:15.5px}
  .point-list{margin-top:18px;display:grid;gap:10px}
  .point{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#2C3A4E}
  .point svg{flex:none;margin-top:4px;color:var(--mint)}
  .split-media{position:relative}
  .split-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-2);width:100%;object-fit:cover}
  .float-card{
    position:absolute;left:16px;bottom:-18px;background:#fff;border:1px solid var(--line);
    border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-2);font-size:13px;color:var(--muted);
  }
  .float-card b{display:block;color:var(--ink);font-size:15px;font-weight:700}

  /* 流程步骤 */
  .step-grid{display:grid;gap:16px;margin-top:8px}
  @media (min-width:768px){.step-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
  @media (min-width:1100px){.step-grid{grid-template-columns:repeat(4,1fr)}}
  .step{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:24px 20px 22px;box-shadow:var(--shadow-1);
  }
  .step .idx{
    font-size:34px;font-weight:800;color:var(--brand-light);line-height:1;
    font-variant-numeric:tabular-nums;
  }
  .step h3{margin-top:12px;font-size:17px;font-weight:700}
  .step p{margin-top:8px;font-size:14px;color:var(--muted)}
  .step .bar{position:absolute;left:0;top:26px;width:4px;height:30px;border-radius:0 4px 4px 0;background:var(--accent)}

  /* 图卡网格 */
  .gallery{display:grid;gap:16px}
  @media (min-width:768px){
    .gallery{grid-template-columns:1.25fr 1fr;grid-auto-rows:minmax(0,1fr)}
    .gallery .g-wide{grid-row:span 2}
  }
  .g-card{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow-1);border:1px solid var(--line);background:#fff;
    transition:transform .25s ease-out,box-shadow .25s ease-out;
  }
  .g-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
  .g-card img{width:100%;height:100%;min-height:190px;object-fit:cover;transition:transform .35s ease-out}
  .g-card:hover img{transform:scale(1.03)}
  .g-cap{
    position:absolute;left:0;right:0;bottom:0;padding:16px 18px;color:#fff;
    background:linear-gradient(180deg,rgba(14,59,114,0) 0%,rgba(14,59,114,.86) 100%);
  }
  .g-cap strong{display:block;font-size:16px;font-weight:700}
  .g-cap span{font-size:13px;opacity:.9}

  /* 清单式信息块 */
  .listing{display:grid;gap:12px}
  .list-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
    background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
    border-radius:12px;padding:16px 18px;box-shadow:var(--shadow-1);
    transition:border-left-color .2s ease-out,transform .2s ease-out;
  }
  .list-row:hover{border-left-color:var(--accent);transform:translateX(2px)}
  .list-row .name{font-weight:700;font-size:15.5px;min-width:150px}
  .list-row .note{font-size:14px;color:var(--muted);flex:1;min-width:220px}
  .list-row .price{font-weight:800;color:var(--accent);font-size:16px}

  /* FAQ */
  .faq-list{display:grid;gap:12px}
  .faq{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
    padding:18px 20px;font-size:16px;font-weight:600;position:relative;
    transition:color .2s ease-out,background .2s ease-out;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--brand)}
  .faq summary::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
    background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .25s ease-out;
  }
  .faq[open] summary::before{transform:scaleY(1)}
  .faq summary .no{
    flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand-light);
    color:var(--brand);font-size:13px;font-weight:800;display:grid;place-items:center;
  }
  .faq summary .arrow{margin-left:auto;flex:none;color:var(--muted);transition:transform .25s ease-out}
  .faq[open] summary .arrow{transform:rotate(180deg);color:var(--accent)}
  .faq .ans{padding:0 20px 18px 58px;font-size:15px;color:#3D4A5C}
  .faq .ans-inner{background:#F7FAFD;border:1px solid var(--line);border-radius:10px;padding:14px 16px}

  /* 深色 CTA 带 */
  .cta-band{
    background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;top:-60px;right:-40px;width:320px;height:320px;
    background:repeating-linear-gradient(115deg,rgba(255,255,255,.13) 0 2px,transparent 2px 14px);
    transform:rotate(10deg);
  }
  .cta-band .inner{
    position:relative;z-index:2;display:flex;flex-direction:column;gap:20px;
    padding:48px 0;
  }
  @media (min-width:900px){
    .cta-band .inner{flex-direction:row;align-items:center;justify-content:space-between;padding:64px 0;gap:40px}
  }
  .cta-band h2{color:#fff;font-size:24px;font-weight:800}
  @media (min-width:768px){.cta-band h2{font-size:30px}}
  .cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15px;max-width:620px}
  .count-chips{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
  .chip{
    min-width:64px;text-align:center;background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.24);border-radius:10px;padding:8px 10px;color:#fff;
  }
  .chip b{display:block;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
  .chip span{font-size:11px;letter-spacing:1px;opacity:.85}

  /* 互链卡 */
  .link-cards{display:grid;gap:16px}
  @media (min-width:768px){.link-cards{grid-template-columns:repeat(3,1fr)}}
  .link-card{
    display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:22px;box-shadow:var(--shadow-1);transition:transform .25s ease-out,box-shadow .25s ease-out,border-color .2s ease-out;
  }
  .link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CBD9EC}
  .link-card h3{font-size:17px;font-weight:700}
  .link-card p{margin-top:8px;font-size:14px;color:var(--muted)}

  /* 预约表单区 */
  .form-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:24px;box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){.form-card{padding:32px}}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
  .field label .req{color:var(--accent);margin-left:2px}
  .field input,.field select,.field textarea{
    width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;
    padding:10px 14px;font-size:15px;color:var(--ink);background:#fff;
    font-family:inherit;transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .field textarea{min-height:100px;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,83,155,.10);
  }
  .field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2361708A' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
  .info-card{
    background:var(--brand-light);border:1px solid #D3E2F5;border-radius:var(--radius);padding:22px;
  }
  .info-card dl{margin:0;display:grid;gap:14px}
  .info-card dt{font-size:13px;color:var(--muted)}
  .info-card dd{margin:2px 0 0;font-size:16px;font-weight:700;color:var(--ink)}

  /* 页脚 */
  .site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);margin-top:0}
  .footer-grid{display:grid;gap:28px;padding:48px 0 36px}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .mk{
    width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.14);
    display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px;flex:none;
  }
  .footer-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.3px}
  .footer-grid h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
  .footer-links{display:grid;gap:10px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.76);transition:color .2s ease-out}
  .footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .footer-note{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:320px}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);padding:18px 0;
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.62);
  }
  .footer-bottom a{color:rgba(255,255,255,.72)}
  .footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

  /* 移动端抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(14,42,79,.42);z-index:90;
    opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:100;
    transform:translateX(102%);transition:transform .28s ease-out;
    display:flex;flex-direction:column;padding:18px;overflow-y:auto;box-shadow:-12px 0 34px rgba(16,42,79,.18);
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .drawer-close{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;color:var(--brand);
  }
  .drawer-nav{display:grid;gap:6px;margin:16px 0}
  .drawer-nav a{
    padding:12px 14px;border-radius:10px;font-size:15px;font-weight:600;color:#2C3A4E;
    border:1px solid var(--line);transition:all .2s ease-out;
  }
  .drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-light);border-color:#CBD9EC;color:var(--brand)}
  .drawer-cta{display:grid;gap:10px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
  .drawer-contact{font-size:13px;color:var(--muted);margin-bottom:12px}
  .drawer-contact b{display:block;color:var(--ink);font-size:17px;letter-spacing:.5px}
  @media (min-width:1024px){
    .drawer,.drawer-mask{display:none}
  }
  @media (min-width:768px){
    .search-box.desk{display:flex}
    .mobile-search{display:none}
  }
  @media (min-width:1024px){
    .hotline{display:block}
    .menu-toggle{display:none}
  }