/* roulang page: index */
:root{
  --brand:#1D5BD6;
  --brand-deep:#14429E;
  --brand-soft:#E8EFFC;
  --warm:#F0793B;
  --ok:#1FA97E;
  --amber:#E8A33D;
  --muted:#8A94A6;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --line:#E3E8F1;
  --line-hover:#C9D6EF;
  --text:#1A2233;
  --text-2:#5B6577;
  --text-3:#98A1B2;
  --dark:#0F1B33;
  --r-lg:20px;
  --r-md:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,64,.05),0 10px 24px rgba(16,32,64,.07);
  --sh-2:0 2px 4px rgba(16,32,64,.07),0 16px 34px rgba(16,32,64,.12);
  --ease:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.02em;font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{margin:0;font-family:inherit;font-weight:600;line-height:1.32;color:var(--text);}
p{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- top bar ---------- */
.topbar{background:var(--dark);color:#A9B4C7;font-size:13px;line-height:1.6;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap;}
.topbar-inner span{display:inline-flex;align-items:center;gap:6px;}
.topbar-inner i{color:var(--brand);font-size:12px;}
.topbar-side{display:inline-flex;align-items:center;gap:14px;color:#A9B4C7;}
@media (max-width:640px){.topbar-side{display:none;}}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.97);border-bottom:1px solid transparent;transition:box-shadow var(--ease),border-color var(--ease);}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(16,32,64,.06);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;flex-shrink:0;}
.logo-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.logo:hover .logo-text{color:var(--brand-deep);}
.seg-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px;}
.seg-nav::-webkit-scrollbar{display:none;}
.seg{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;white-space:nowrap;transition:background var(--ease),color var(--ease),border-color var(--ease);}
.seg:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--line-hover);}
.seg.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:border-color var(--ease);}
.burger:hover{border-color:var(--line-hover);}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease);}
@media (max-width:900px){
  .seg-nav{display:none;}
  .burger{display:flex;}
  .nav-cta .btn{display:none;}
}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity var(--ease),visibility var(--ease);}
.drawer.is-open{visibility:visible;opacity:1;}
.drawer-mask{position:absolute;inset:0;background:rgba(15,27,51,.45);}
.drawer-panel{position:absolute;top:0;right:0;width:min(360px,88%);height:100%;background:#fff;padding:20px;display:flex;flex-direction:column;gap:20px;transform:translateX(14px);transition:transform .26s ease;overflow-y:auto;}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;font-size:16px;color:var(--text-2);}
.drawer-tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-tabs .seg{height:44px;justify-content:center;width:100%;}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,91,214,.22);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-hover);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- chips / badges ---------- */
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:13px;line-height:1;white-space:nowrap;}
.badge-warm{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;border:1px solid var(--warm);color:var(--warm);font-size:13px;line-height:1;background:#fff;}

/* ---------- hero ---------- */
.hero{position:relative;background:#fff;padding:56px 0 72px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 6% 14%, rgba(29,91,214,.045) 0 1px, transparent 1px 88px);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:44px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;padding-bottom:10px;}}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:13px;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,4vw,44px);line-height:1.28;font-weight:700;letter-spacing:.01em;}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.hero-points li{display:flex;flex-direction:column;gap:2px;}
.hero-points b{font-size:26px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-points span{font-size:13px;color:var(--text-2);}
.hero-visual{position:relative;}
.hero-visual > img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1);}
.float-card{position:absolute;right:-4px;bottom:-24px;width:min(268px,76%);background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-2);}
.float-card h3{font-size:16px;margin-bottom:4px;}
.float-card p{font-size:13px;color:var(--text-2);line-height:1.6;}
.float-card .bar{margin-top:12px;}
.float-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);margin-top:8px;}
.float-meta b{color:var(--brand-deep);font-variant-numeric:tabular-nums;}
@media (max-width:640px){
  .hero{padding:40px 0 56px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:20px;}
  .float-card{position:static;width:100%;margin-top:16px;right:auto;bottom:auto;}
}

/* ---------- progress bar ---------- */
.bar{height:8px;border-radius:999px;background:var(--brand-soft);overflow:hidden;}
.bar > span{display:block;height:100%;border-radius:999px;background:var(--brand);}
.bar.warm > span{background:var(--warm);}

/* ---------- stats ---------- */
.stats{padding:16px 0 8px;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);}
.stat:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.stat b{display:block;font-size:30px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{font-size:14px;color:var(--text-2);}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section.is-white{background:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:8px;width:4px;height:28px;border-radius:2px;background:var(--brand);}
.sec-title h2{font-size:clamp(24px,2.6vw,32px);}
.sec-title p{margin-top:10px;font-size:14px;color:var(--text-2);}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand);}
.sec-more:hover{color:var(--brand-deep);gap:12px;}

/* ---------- feature (7/5) ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.feature-grid{grid-template-columns:7fr 5fr;}}
.feature-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);display:flex;flex-direction:column;}
.feature-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-hover);}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-soft);}
.feature-main-body{padding:26px;display:flex;flex-direction:column;gap:12px;}
.feature-main-body h3{font-size:20px;}
.feature-main-body p{font-size:15px;color:var(--text-2);line-height:1.8;}
.feature-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh-1);}
.feature-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed var(--line);}
.feature-item:last-child{border-bottom:0;}
.num-badge{flex:0 0 44px;height:44px;border-radius:12px;border:1px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.feature-item h3{font-size:18px;margin-bottom:6px;}
.feature-item p{font-size:14px;color:var(--text-2);line-height:1.75;}
.feature-item a{display:inline-flex;align-items:center;gap:6px;font-size:14px;margin-top:8px;}

/* ---------- rail / benefits ---------- */
.rail-wrap{position:relative;}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:82%;gap:20px;overflow-x:auto;padding:8px 4px 20px;scroll-snap-type:x mandatory;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
@media (min-width:641px){.rail{grid-auto-columns:46%;}}
@media (min-width:1025px){.rail{grid-auto-columns:calc(25% - 15px);}}
@media (max-width:1024px){
  .rail-wrap::after{content:"";position:absolute;top:0;bottom:20px;right:0;width:48px;background:linear-gradient(90deg,rgba(244,246,250,0),var(--bg));pointer-events:none;}
}
.gcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);scroll-snap-align:start;display:flex;flex-direction:column;gap:14px;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);}
.gcard:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-hover);}
.gicon{width:64px;height:64px;border-radius:16px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:24px;}
.gcard h3{font-size:18px;}
.gcard p{font-size:14px;color:var(--text-2);line-height:1.75;min-height:48px;}
.gfoot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);margin-top:auto;}
.gfoot b{font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;}

/* ---------- stepper ---------- */
.step-board{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 24px;box-shadow:var(--sh-1);}
@media (min-width:1024px){.step-board{padding:40px;}}
.stepper{display:flex;overflow-x:auto;padding:6px 0 30px;scrollbar-width:none;}
.stepper::-webkit-scrollbar{display:none;}
.step{flex:1 0 168px;text-align:center;position:relative;}
.step .dot{position:relative;z-index:1;width:28px;height:28px;margin:0 auto 14px;border-radius:50%;border:2px solid var(--muted);background:#fff;color:var(--text-3);display:grid;place-items:center;font-size:12px;font-weight:700;}
.step::after{content:"";position:absolute;top:14px;left:calc(50% + 22px);right:calc(-50% + 22px);height:2px;background:var(--line);}
.step:last-child::after{display:none;}
.step.done .dot{background:var(--brand);border-color:var(--brand);color:#fff;}
.step.done::after{background:var(--brand);}
.step.now .dot{border-color:var(--amber);color:var(--amber);background:#fff;box-shadow:0 0 0 6px rgba(232,163,61,.14);}
.step h3{font-size:15px;font-weight:600;margin-bottom:4px;}
.step span{display:block;font-size:13px;color:var(--text-2);}
.progress-block{margin-top:8px;padding-top:28px;border-top:1px solid var(--line);display:grid;gap:22px;}
@media (min-width:768px){.progress-block{grid-template-columns:1fr 1fr;gap:22px 48px;}}
.prow{display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center;}
.prow .label{font-size:15px;color:var(--text-2);}
.prow .pct{font-size:15px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.prow .bar{grid-column:1 / -1;}

/* ---------- news ---------- */
.news-hero{display:grid;grid-template-columns:1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);}
.news-hero:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-hover);}
.news-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-soft);}
@media (min-width:768px){
  .news-hero{grid-template-columns:44% 1fr;}
  .news-hero img{aspect-ratio:auto;height:100%;min-height:280px;}
}
.news-hero-body{padding:26px;display:flex;flex-direction:column;gap:14px;}
.news-hero-body h3{font-size:22px;line-height:1.4;}
.news-hero:hover h3{color:var(--brand-deep);}
.news-hero-body p{font-size:15px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:16px;margin-top:auto;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.news-meta i{margin-right:4px;}
.news-mini-grid{display:grid;gap:20px;margin-top:24px;}
@media (min-width:768px){.news-mini-grid{grid-template-columns:1fr 1fr;}}
.news-mini{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);}
.news-mini:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-hover);}
.news-mini img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-soft);}
.news-mini-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-mini-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini:hover h3{color:var(--brand-deep);}
.news-mini-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini .news-meta{margin-top:auto;}
.empty-state{min-height:240px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:32px;box-shadow:var(--sh-1);}
.empty-icon{width:96px;height:96px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:34px;}
.empty-state p{font-size:15px;color:var(--text-2);}
.empty-state a{font-size:14px;}

/* ---------- faq ---------- */
.faq{max-width:800px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:background var(--ease),color var(--ease);}
.faq-q:hover{background:#FAFBFE;color:var(--brand-deep);}
.faq-q i{font-style:normal;font-size:20px;line-height:1;color:var(--brand);flex-shrink:0;transition:transform var(--ease);}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-section{padding:56px 0 88px;}
.cta-band{background:var(--brand);border-radius:var(--r-lg);padding:36px 28px;color:#fff;display:grid;gap:26px;align-items:center;box-shadow:0 18px 40px rgba(29,91,214,.24);}
@media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;padding:48px 56px;gap:48px;}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:22px;}
.cta-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-points i{font-size:13px;color:#fff;opacity:.9;}
.cta-action{display:flex;flex-direction:column;gap:14px;}
.cta-action .btn{width:100%;}
@media (min-width:1024px){.cta-action .btn{width:auto;padding:0 34px;}}
@media (max-width:1024px){.cta-action{justify-items:stretch;}}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--dark);color:#A9B4C7;padding:64px 0 0;overflow:hidden;}
.site-footer::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(-45deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px);pointer-events:none;}
.site-footer .container{position:relative;z-index:1;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px;}
@media (min-width:641px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1025px){.foot-grid{grid-template-columns:2fr 1fr 1.4fr 1.2fr;gap:32px;}}
.foot-brand .logo-text{color:#fff;font-size:18px;}
.foot-brand .logo-mark{background:var(--brand);}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#A9B4C7;max-width:320px;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:12px;}
.foot-links a{font-size:14px;color:#A9B4C7;}
.foot-links a:hover{color:#fff;}
.foot-chips{display:flex;flex-wrap:wrap;gap:10px;}
.foot-chips a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid rgba(255,255,255,.16);font-size:13px;color:#A9B4C7;}
.foot-chips a:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06);}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:#A9B4C7;margin-bottom:12px;line-height:1.7;}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:#8A94A6;}
.foot-bottom a{color:#8A94A6;}
.foot-bottom a:hover{color:#fff;}

.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* roulang page: article */
:root{
  --c-primary:#1D5BD6;
  --c-primary-deep:#14429E;
  --c-primary-soft:#E8EFFC;
  --c-accent:#F0793B;
  --c-green:#1FA97E;
  --c-amber:#E8A33D;
  --c-gray:#8A94A6;
  --c-bg:#F4F6FA;
  --c-surface:#FFFFFF;
  --c-line:#E3E8F1;
  --c-line-hover:#C9D6EF;
  --c-text:#1A2233;
  --c-text-2:#5B6577;
  --c-text-3:#98A1B2;
  --c-dark:#0F1B33;
  --r-lg:20px;
  --r-md:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(16,32,64,.05),0 10px 24px rgba(16,32,64,.07);
  --sh-card-hover:0 2px 4px rgba(16,32,64,.07),0 16px 34px rgba(16,32,64,.12);
  --space:8px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--c-primary-deep)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--c-text);letter-spacing:.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media screen and (min-width:1024px){
  .container{padding:0 32px}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(160%) blur(6px);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:70px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-text);
  font-weight:700;
  letter-spacing:.01em;
  flex-shrink:0;
}
.logo:hover{color:var(--c-text)}
.logo-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--c-primary);
  color:#fff;
  font-size:18px;
  font-weight:700;
  box-shadow:0 6px 14px rgba(29,91,214,.28);
}
.logo-text{font-size:18px;white-space:nowrap}
.seg-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.seg-nav::-webkit-scrollbar{display:none}
.seg{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-text-2);
  font-size:14px;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.seg:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:var(--c-line-hover)}
.seg.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.nav-cta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(29,91,214,.22)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line-hover)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#EAF1FF;color:var(--c-primary-deep)}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:16px 0 22px;
}
.mobile-panel.is-open{display:block}
.mobile-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-bottom:14px;
}
.mobile-grid .seg{width:100%;justify-content:center}
.mobile-panel .btn{width:100%}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0}
.breadcrumb{
  font-size:14px;
  color:var(--c-text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line-hover)}
.breadcrumb .current{color:var(--c-primary)}

/* ============ 文章布局 ============ */
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:start;
  padding:22px 0 88px;
}
.article-head{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-card);
  margin-bottom:24px;
}
.article-head h1{
  font-size:clamp(26px,3vw,36px);
  line-height:1.34;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:14px;
  color:var(--c-text-2);
}
.chip{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  line-height:1;
  white-space:nowrap;
}
.chip-soft{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600}
.chip-line{background:#fff;border:1px solid var(--c-line);color:var(--c-text-2)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--c-primary);font-size:13px}

.article-body{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:40px 44px 44px;
  max-width:100%;
}
.article-body-inner{max-width:780px}
.article-body p{font-size:17px;line-height:1.85;color:var(--c-text);margin-bottom:1.2em}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);
  margin:1.7em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--c-primary);
  line-height:1.35;
}
.article-body h3{font-size:20px;margin:1.4em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body li{
  position:relative;
  padding-left:20px;
  margin-bottom:.6em;
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
}
.article-body ul li::before{
  content:"";
  position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);
}
.article-body ol{counter-reset:listc}
.article-body ol li::before{
  counter-increment:listc;
  content:counter(listc);
  position:absolute;left:0;top:.1em;
  width:16px;height:16px;
  font-size:12px;line-height:16px;text-align:center;
  color:#fff;background:var(--c-primary);border-radius:50%;
}
.article-body blockquote{
  margin:1.4em 0;
  padding:16px 20px;
  background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-text-2);
  font-size:16px;
  line-height:1.8;
}
.article-body blockquote p{margin-bottom:0;font-size:16px;color:var(--c-text-2)}
.article-body img{
  border-radius:var(--r-img);
  margin:1.4em auto;
  max-width:100%;
  height:auto;
}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(29,91,214,.3)}
.article-body a:hover{color:var(--c-primary-deep);border-bottom-color:var(--c-primary-deep)}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--c-line);
  border-radius:var(--r-img);
  overflow:hidden;
  margin:1.4em 0;
  font-size:15px;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
  text-align:left;
}
.article-body th{background:#F8FAFE;font-weight:600;color:var(--c-text)}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0}

.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
}
.article-tags .chip{height:34px;border:1px solid var(--c-line);background:#fff;color:var(--c-text-2)}
.article-tags .chip:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:var(--c-line-hover)}

.empty-state{
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  color:var(--c-text-2);
}
.empty-ico{
  width:96px;height:96px;border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:32px;
}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh-card);
  margin-bottom:20px;
}
.side-title{
  font-size:16px;
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title::before{
  content:"";
  width:4px;height:16px;border-radius:2px;background:var(--c-primary);
}
.side-list li{
  display:flex;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.6;
}
.side-list li:last-child{border-bottom:none}
.side-list .num{
  flex-shrink:0;
  width:22px;height:22px;
  border-radius:7px;
  border:1px solid var(--c-line-hover);
  color:var(--c-primary);
  font-size:12px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.side-list a{color:var(--c-text)}
.side-list a:hover{color:var(--c-primary-deep)}
.side-cta{
  background:var(--c-primary);
  border-radius:var(--r-md);
  padding:24px 22px;
  color:#fff;
  box-shadow:0 12px 26px rgba(29,91,214,.22);
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:8px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.7;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ============ 通用板块头 ============ */
.section{padding:0 0 88px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:28px;border-radius:2px;background:var(--c-primary);
  flex-shrink:0;
}
.section-head .sub{
  font-size:14px;
  color:var(--c-text-3);
  margin-top:6px;
}
.more-link{
  font-size:14px;
  color:var(--c-primary);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.more-link:hover{gap:10px}

/* ============ 相关推荐卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;
  flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:var(--c-line-hover)}
.card-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-primary-soft);
}
.card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .25s ease;
}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.45}
.card:hover .card-body h3{color:var(--c-primary-deep)}
.card-body p{font-size:14px;color:var(--c-text-2);line-height:1.7;margin:0}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
}
.card-foot i{color:var(--c-primary)}

/* ============ 返回入口 ============ */
.back-bar{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  padding:28px 0 0;
}

/* ============ CTA 大条 ============ */
.cta-band{
  background:var(--c-primary);
  border-radius:var(--r-lg);
  padding:34px 36px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:0 14px 30px rgba(29,91,214,.24);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;margin:0;max-width:560px}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  width:100%;
  padding-top:18px;
  margin-top:6px;
  border-top:1px solid rgba(255,255,255,.22);
  font-size:14px;
  color:rgba(255,255,255,.92);
}
.cta-points span{display:inline-flex;align-items:center;gap:8px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:#A9B4C7;
  padding:64px 0 26px;
  margin-top:8px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand .logo-text{color:#fff}
.foot-brand p{font-size:14px;line-height:1.8;color:#A9B4C7;margin:0}
.foot-title{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14px;color:#A9B4C7}
.foot-links a:hover{color:#fff}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px}
.foot-chips a{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 13px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:#A9B4C7;
}
.foot-chips a:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06)}
.foot-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  margin-bottom:12px;
  line-height:1.7;
}
.foot-contact i{color:var(--c-primary);margin-top:4px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8A94A6;
}
.foot-bottom a{color:#A9B4C7}
.foot-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .article-body{padding:32px 28px 34px}
}
@media screen and (max-width:860px){
  .seg-nav{display:none}
  .burger{display:flex}
  .nav-cta .btn{display:none}
  .nav-wrap{min-height:64px;gap:12px}
}
@media screen and (max-width:640px){
  body{font-size:16px}
  .container{padding:0 20px}
  .article-head{padding:22px 20px;border-radius:var(--r-md)}
  .article-head h1{font-size:24px}
  .article-body{padding:24px 20px 28px;border-radius:var(--r-md)}
  .article-body p,.article-body li{font-size:17px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:26px 22px;border-radius:var(--r-md)}
  .cta-band .btn{width:100%}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .section{padding-bottom:56px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .mobile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* roulang page: category1 */
:root{
  --brand:#1D5BD6;
  --brand-dark:#14429E;
  --brand-soft:#E8EFFC;
  --accent:#F0793B;
  --ok:#1FA97E;
  --warn:#E8A33D;
  --muted:#8A94A6;
  --page:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E8F1;
  --line-strong:#C9D6EF;
  --ink:#1A2233;
  --ink-2:#5B6577;
  --ink-3:#98A1B2;
  --dark:#0F1B33;
  --r-lg:20px;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,64,.05),0 10px 24px rgba(16,32,64,.07);
  --sh-2:0 2px 4px rgba(16,32,64,.07),0 16px 34px rgba(16,32,64,.12);
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe 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);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.02em;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--ink)}
h1{font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;font-size:inherit}
[id]{scroll-margin-top:96px}
.tabular{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(16,32,64,.08)}
.nav-wrap{display:flex;align-items:center;gap:16px;min-height:66px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:.01em}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto;
}
.logo-text{white-space:nowrap}
.seg-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.seg{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:14px;font-weight:600;white-space:nowrap;
  transition:all .2s ease;
}
.seg:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--line-strong)}
.seg.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.seg.is-active:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.burger{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;transition:all .2s ease;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:all .2s ease}
.burger:hover{border-color:var(--line-strong);background:var(--brand-soft)}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  display:none;position:fixed;left:0;right:0;top:66px;bottom:0;z-index:60;
  background:#fff;padding:16px 20px 32px;overflow-y:auto;
  border-top:1px solid var(--line);
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-drawer.is-open{transform:none;opacity:1;visibility:visible}
.drawer-link{
  display:flex;align-items:center;min-height:54px;
  font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand)}
.drawer-cta{margin-top:20px}
body.no-scroll{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{background:#EAF1FE;color:var(--brand-dark)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line-strong)}
.crumb .cur{color:var(--brand);font-weight:600}

/* ---------- 分类首屏 ---------- */
.cat-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);padding:32px 0 72px}
.cat-hero .deco{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.cat-hero .deco i{position:absolute;border:1px solid rgba(29,91,214,.10);border-radius:50%}
.cat-hero .deco i:nth-child(1){width:340px;height:340px;right:-70px;top:-130px}
.cat-hero .deco i:nth-child(2){width:520px;height:520px;right:-160px;top:-220px}
.cat-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;margin-top:22px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}
.hero-title{font-size:clamp(30px,4vw,44px);line-height:1.28;margin:16px 0 16px;font-weight:700}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 15px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}
.chip-outline{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats div b{display:block;font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats div span{font-size:13px;color:var(--ink-3)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1)}
.float-card{
  position:absolute;right:-16px;bottom:-28px;width:252px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:16px;
}
.fc-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink)}
.fc-title i{color:var(--brand)}
.float-card p{font-size:13px;line-height:1.7;color:var(--ink-2);margin:8px 0 12px}
.bar{height:8px;border-radius:999px;background:var(--brand-soft);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--brand)}
.bar i.acc{background:var(--accent)}
.fc-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-3);margin-top:8px;font-variant-numeric:tabular-nums}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);line-height:1.3;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:28px;
  border-radius:2px;background:var(--brand);
}
.sec-sub{font-size:15px;color:var(--ink-2);margin-top:10px}
.more-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.more-link:hover{color:var(--brand-dark);gap:10px}

/* ---------- 简介 ---------- */
.intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:start}
.intro-text p{font-size:16px;line-height:1.9;color:var(--ink-2);margin-bottom:18px}
.intro-text p:last-child{margin-bottom:0}
.intro-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:24px}
.intro-side h3{font-size:18px;margin-bottom:14px}
.intro-side li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--ink-2);padding:11px 0;border-bottom:1px dashed var(--line);
}
.intro-side li:last-child{border-bottom:0;padding-bottom:0}
.intro-side li i{color:var(--ok);margin-top:5px;font-size:13px}

/* ---------- 锚点目录 + 图文分区 ---------- */
.toc{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px;
}
.toc h2{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc h2 i{color:var(--brand);font-size:14px}
.toc-list li{margin-bottom:6px}
.toc-list a{
  display:block;padding:10px 12px;border-radius:var(--r-btn);
  font-size:14px;color:var(--ink-2);border-left:2px solid transparent;
  transition:all .2s ease;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--ink-3)}

.art-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:24px;margin-bottom:24px;
  display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);
  gap:26px;align-items:center;transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.art-block:hover{box-shadow:var(--sh-2);border-color:var(--line-strong);transform:translateY(-2px)}
.art-block.reverse .art-media{order:2}
.art-block.reverse .art-body{order:1}
.art-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img)}
.art-no{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:26px;padding:0 9px;border-radius:8px;
  border:1px solid var(--brand);color:var(--brand);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.art-body h3{font-size:20px;margin:12px 0 10px}
.art-body > p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.check-list{margin-top:16px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--ink-2);padding:9px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list li i{color:var(--brand);margin-top:5px;font-size:12px}

/* ---------- 更新节奏 ---------- */
.stepper{display:flex;margin-bottom:40px}
.step{flex:1;position:relative;padding:0 14px;text-align:center}
.step:not(:last-child)::after{
  content:"";position:absolute;top:13px;left:50%;width:100%;height:2px;
  background:var(--line);z-index:0;
}
.step.is-done:not(:last-child)::after{background:var(--brand)}
.dot{
  position:relative;z-index:1;width:28px;height:28px;margin:0 auto 12px;
  border-radius:50%;border:2px solid var(--muted);background:#fff;
  display:grid;place-items:center;font-size:11px;color:transparent;
}
.step.is-done .dot{background:var(--brand);border-color:var(--brand);color:#fff}
.step.is-now .dot{border-color:var(--warn);box-shadow:0 0 0 6px rgba(232,163,61,.16)}
.step h3{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;line-height:1.7;color:var(--ink-3)}
.progress-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:26px}
.progress-row{margin-bottom:20px}
.progress-row:last-child{margin-bottom:0}
.pr-head{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--ink-2);margin-bottom:9px}
.pr-head b{color:var(--brand);font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease;
}
.faq-q:hover{background:#FAFBFE}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);
  font-size:13px;transition:transform .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-item.open .faq-a{max-height:420px}

/* ---------- CTA 大条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand);border-radius:var(--r-lg);
  padding:42px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 1px,transparent 1px 14px);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.cta-copy p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px}
.cta-action{position:relative;z-index:1;flex:0 0 auto}
.cta-points{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:26px;
  margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.24);
}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9)}
.back-link{display:flex;justify-content:center;margin-top:34px}
.back-link a{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.back-link a:hover{gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9B4C7;padding:56px 0 0;margin-top:var(--sec)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:36px;padding-bottom:40px}
.foot-brand .logo{color:#fff;margin-bottom:16px}
.foot-brand .logo:hover{color:#fff}
.foot-brand p{font-size:14px;line-height:1.8;color:#A9B4C7;max-width:320px}
.foot-title{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14px;color:#A9B4C7}
.foot-links a:hover{color:#fff}
.foot-chips{display:flex;flex-wrap:wrap;gap:8px}
.foot-chips a{
  display:inline-flex;align-items:center;height:32px;padding:0 13px;
  border-radius:999px;border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:#C3CCDC;transition:all .2s ease;
}
.foot-chips a:hover{color:#fff;border-color:var(--brand-soft);background:rgba(255,255,255,.06)}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;margin-bottom:12px}
.foot-contact li:last-child{margin-bottom:0}
.foot-contact i{color:#7E8BA3;margin-top:5px;font-size:13px;width:16px;flex:0 0 auto}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8A94A6;
}
.foot-bottom a{color:#A9B4C7}
.foot-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px}
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .hero-media{margin-right:20px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cat-hero{padding:28px 0 64px}
}
@media (max-width:900px){
  .seg-nav{display:none}
  .burger{display:inline-flex}
  .nav-drawer{display:block}
  .nav-cta .btn-sm{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .cta-action{width:100%}
  .cta-action .btn{width:100%}
}
@media (max-width:768px){
  .art-block{grid-template-columns:1fr;gap:20px}
  .art-block.reverse .art-media{order:1}
  .art-block.reverse .art-body{order:2}
  .stepper{flex-direction:column;gap:18px;margin-bottom:32px}
  .step{display:grid;grid-template-columns:28px 1fr;grid-template-rows:auto auto;
    column-gap:14px;text-align:left;padding:0}
  .step:not(:last-child)::after{display:none}
  .dot{grid-row:1 / span 2;margin:2px 0 0}
  .step h3{grid-column:2;margin-bottom:4px}
  .step p{grid-column:2}
  .toc{position:static;margin-bottom:24px}
}
@media (max-width:640px){
  :root{--sec:56px}
  .cat-hero{padding:22px 0 56px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:24px}
  .float-card{position:static;width:auto;margin-top:18px}
  .hero-media{margin-right:0}
  .art-block{padding:20px}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a-inner{padding:0 20px 20px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .section-alt{padding:56px 0}
  .progress-wrap{padding:20px}
}

/* roulang page: category2 */
:root{
  --brand:#1D5BD6;
  --brand-deep:#14429E;
  --brand-soft:#E8EFFC;
  --accent:#F0793B;
  --ok:#1FA97E;
  --amber:#E8A33D;
  --muted:#8A94A6;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E8F1;
  --line-strong:#C9D6EF;
  --text:#1A2233;
  --text-2:#5B6577;
  --text-3:#98A1B2;
  --dark:#0F1B33;
  --r-lg:20px;
  --r:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,32,64,.05),0 10px 24px rgba(16,32,64,.07);
  --sh-hover:0 2px 4px rgba(16,32,64,.07),0 16px 34px rgba(16,32,64,.12);
  --gap:8px;
}
*,*::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","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--dark);color:#A9B4C7;font-size:13px;line-height:36px;height:36px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar a{color:#A9B4C7}
.topbar a:hover{color:#fff}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:16px;white-space:nowrap;overflow:hidden}
.topbar i{margin-right:6px;color:var(--brand-soft)}
@media (max-width:640px){.topbar-right{display:none}}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(120%)}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(16,32,64,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.logo:hover{color:var(--brand-deep)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;letter-spacing:0}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.seg-nav{display:flex;align-items:center;gap:10px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.seg-nav::-webkit-scrollbar{display:none}
.seg{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease}
.seg:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--line-strong)}
.seg.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:900px){
  .seg-nav{display:none}
  .burger{display:flex}
  .nav-wrap{height:64px;gap:12px;justify-content:space-between}
}
/* 移动抽屉 */
.drawer{position:fixed;inset:64px 0 0 0;background:#fff;z-index:55;padding:20px;overflow-y:auto;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-tabs .seg{height:44px;justify-content:center;font-size:15px}
.drawer-foot{position:sticky;bottom:0;margin-top:24px;padding-top:16px;background:#fff;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;letter-spacing:.02em;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(29,91,214,.24)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand-deep);outline-offset:2px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more:hover{color:var(--brand-deep);gap:10px}

/* ============ 通用 chip / 徽章 ============ */
.chip{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:13px;line-height:1}
.chip-accent{background:#FDEEE4;color:#C4561E}
.chip-ok{background:#E4F5EF;color:#137A5B}
.chip-amber{background:#FBF1DE;color:#A86D14}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;border:1px solid var(--accent);color:#C4561E;font-size:13px;background:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:6px 14px;height:30px}

/* ============ 大图横带 ============ */
.page-hero{position:relative;min-height:300px;display:flex;align-items:center;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(15,27,51,.46)}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;color:#fff}
.crumb{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb span.sep{margin:0 8px;opacity:.6}
.crumb .cur{color:#DCE7FF}
.page-hero h1{color:#fff;font-size:clamp(30px,4vw,44px);max-width:820px;letter-spacing:.01em}
.page-hero .hero-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:660px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags .chip{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.page-hero .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.page-hero .btn-ghost:hover{background:#fff;color:var(--brand-deep);border-color:#fff}

/* ============ 板块头 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head .t{position:relative;padding-left:14px}
.sec-head .t::before{content:"";position:absolute;left:0;top:8px;width:4px;height:28px;border-radius:2px;background:var(--brand)}
.sec-head h2{font-size:clamp(24px,2.6vw,32px)}
.sec-head .sub{margin-top:8px;font-size:14px;color:var(--text-2);max-width:560px}
@media (max-width:640px){.sec-head{flex-direction:column;align-items:flex-start;gap:12px}}

/* ============ 网格兜底 ============ */
.grid-x{display:flex;flex-wrap:wrap}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.cell{flex:0 0 auto;min-width:0}
.cell.small-12{flex:0 0 100%;max-width:100%}
@media (min-width:640px){
  .cell.medium-3{flex:0 0 25%;max-width:25%}
  .cell.medium-4{flex:0 0 33.3333%;max-width:33.3333%}
  .cell.medium-5{flex:0 0 41.6667%;max-width:41.6667%}
  .cell.medium-6{flex:0 0 50%;max-width:50%}
  .cell.medium-7{flex:0 0 58.3333%;max-width:58.3333%}
  .cell.medium-8{flex:0 0 66.6667%;max-width:66.6667%}
}
@media (min-width:1025px){
  .cell.large-3{flex:0 0 25%;max-width:25%}
  .cell.large-4{flex:0 0 33.3333%;max-width:33.3333%}
}
.row-gap{margin-bottom:24px}

/* ============ 要点横条 ============ */
.points{padding-top:0}
.point{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-card);padding:24px;height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.point:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.point .ic{width:64px;height:64px;border-radius:14px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.point h3{font-size:18px;margin-bottom:8px}
.point p{font-size:14px;color:var(--text-2);line-height:1.75}
.point .tagline{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ============ 图文分区 ============ */
.split{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden}
.split+.split{margin-top:24px}
.split .grid-padding-x{margin-left:0;margin-right:0}
.split .media,.split .body{padding:0}
.split .media img{width:100%;height:100%;min-height:260px;object-fit:cover;border-radius:0}
.split .body{padding:28px}
@media (min-width:1025px){.split .body{padding:36px}}
.split h3{font-size:20px;margin-bottom:12px}
.split p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:12px}
.split ul{margin:6px 0 18px}
.split ul li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2);margin-bottom:8px}
.split ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-soft);border:2px solid var(--brand)}
@media (max-width:640px){.split .media img{min-height:200px}}

/* ============ 数据块 ============ */
.stats{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-card)}
.stat{text-align:left;border-left:1px solid var(--line);padding-left:18px}
.stat:first-child{border-left:none;padding-left:0}
.stat .v{font-size:30px;color:var(--brand-deep);letter-spacing:0}
.stat .v small{font-size:14px;margin-left:4px;color:var(--text-2);font-weight:400}
.stat .k{margin-top:6px;font-size:14px;color:var(--text-2)}
@media (max-width:640px){
  .stat{border-left:none;padding-left:0;padding-top:14px;border-top:1px solid var(--line)}
  .stat:first-child{border-top:none;padding-top:0}
}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0}
.tl-item{position:relative;padding:0 0 28px 56px}
.tl-item::before{content:"";position:absolute;left:13px;top:30px;bottom:-6px;width:2px;background:var(--line)}
.tl-item:last-child::before{display:none}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:0;top:4px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:#fff;border:2px solid var(--muted);color:var(--muted)}
.tl-item.done .tl-dot{background:var(--brand);border-color:var(--brand);color:#fff}
.tl-item.now .tl-dot{border-color:var(--amber);color:#A86D14;box-shadow:0 0 0 6px rgba(232,163,61,.16)}
.tl-item.done::before{background:var(--brand)}
.tl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-card);padding:22px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.tl-card .meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.tl-card h3{font-size:18px;margin-bottom:8px}
.tl-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.tl-card .note{margin-top:12px;font-size:13px;color:var(--text-3)}

/* ============ 进度条 ============ */
.bars{margin-top:8px}
.bar-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.bar-row .bar-label{width:120px;flex:0 0 auto;font-size:14px;color:var(--text-2)}
.bar-track{flex:1 1 auto;height:8px;border-radius:999px;background:var(--brand-soft);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--brand)}
.bar-fill.accent{background:var(--accent)}
.bar-row .bar-val{width:52px;flex:0 0 auto;text-align:right;font-size:14px;color:var(--brand-deep)}
@media (max-width:640px){.bar-row{flex-wrap:wrap;gap:8px}.bar-row .bar-label{width:100%}}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);box-shadow:var(--sh-card);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;min-height:56px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:background .2s ease,color .2s ease}
.faq-q:hover{background:var(--brand-soft);color:var(--brand-deep)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-ic{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s ease}
.faq-ic::before{left:0;top:7px;width:16px;height:2px}
.faq-ic::after{top:0;left:7px;width:2px;height:16px}
.faq-item.is-open .faq-ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ CTA 大条 ============ */
.cta-band{background:var(--brand);border-radius:var(--r-lg);padding:32px;color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 14px);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-inner .cta-sub{margin-top:10px;font-size:15px;color:rgba(255,255,255,.88);max-width:640px}
.cta-perks{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.26)}
.cta-perks span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92)}
.cta-perks i{color:#fff;opacity:.9}
@media (max-width:640px){.cta-band{padding:24px}.cta-inner .btn{width:100%}}

/* ============ 空态 ============ */
.empty{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--r);text-align:center;padding:24px}
.empty .ic{width:96px;height:96px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:32px}
.empty p{font-size:14px;color:var(--text-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#A9B4C7;padding:56px 0 0;margin-top:24px;position:relative}
.site-footer::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);pointer-events:none}
.site-footer .container{position:relative;z-index:2}
.foot-grid{display:flex;flex-wrap:wrap;gap:32px}
.foot-grid>div{flex:1 1 220px;min-width:0}
.foot-brand{flex:1 1 280px}
.foot-brand .logo{color:#fff}
.foot-brand .logo:hover{color:#fff}
.foot-brand .logo-mark{background:var(--brand)}
.foot-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#A9B4C7;max-width:320px}
.foot-title{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.foot-links li{margin-bottom:10px}
.foot-links a,.foot-contact span,.foot-bottom a{color:#A9B4C7;font-size:14px}
.foot-links a:hover,.foot-bottom a:hover{color:#fff}
.foot-chips{display:flex;flex-wrap:wrap;gap:10px}
.foot-chips a{display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;border:1px solid rgba(255,255,255,.18);font-size:13px;color:#D3DAE7}
.foot-chips a:hover{border-color:#fff;color:#fff}
.foot-contact li{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px}
.foot-contact i{color:#7E8CA6;width:16px;text-align:center}
.foot-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A94A6}
@media (max-width:640px){
  .foot-grid{gap:26px}
  .foot-grid>div{flex:1 1 100%}
  .foot-bottom{flex-direction:column}
}

/* ============ Foundation 默认样式覆盖 ============ */
.button,button,html input[type="button"],input[type="submit"]{border-radius:var(--r-btn);font-family:inherit}
.accordion{border:0;background:transparent}
.callout{border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;width:100%}
table thead{background:var(--brand-soft)}
table th,table td{padding:12px 14px;font-size:14px;border-bottom:1px solid var(--line)}
.progress{height:8px;border-radius:999px;background:var(--brand-soft);border:0}
.progress-meter{background:var(--brand);border-radius:999px}
.reveal{outline:none}