/* roulang page: index */
:root{
  --brand:#1E6BD6;
  --brand-dark:#14508F;
  --brand-soft:#E8F1FD;
  --accent:#FF8A3D;
  --ok:#16B8A6;
  --warn:#F2545B;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --img-bg:#EAF1FA;
  --footer:#F1F5FA;
  --t1:#0F1B2D;
  --t2:#4A5A73;
  --t3:#8A99AE;
  --line:#E4EBF5;
  --div:#EFF4FA;
  --r-card:16px;
  --r-btn:12px;
  --sh-1:0 6px 18px rgba(23,52,94,.06);
  --sh-2:0 14px 32px rgba(23,52,94,.12);
  --nav-h:68px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.25}
h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:19px;font-weight:600;line-height:1.4}
h4{font-size:17px;font-weight:600}
p{margin:0}
ul,ol{margin:0}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out}
button{font:inherit;color:inherit}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:64px 0}
.section--plain{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head p{max-width:58ch;margin-top:10px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:12px}
.muted{color:var(--t3);font-size:14px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--div);box-shadow:0 6px 20px rgba(23,52,94,.07)}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(30,107,214,.28)}
.brand-text{font-size:17px;font-weight:700;color:var(--t1);white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{position:relative;padding:22px 0;font-size:15px;font-weight:500;color:var(--t2);white-space:nowrap}
.nav-link:hover{color:var(--brand);text-decoration:none}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;background:var(--brand)}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-countdown{display:inline-flex;align-items:center;gap:7px;background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;white-space:nowrap}
.nav-countdown b{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.nav-countdown .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;font-weight:600;padding:5px 11px;white-space:nowrap}
.badge-live{background:rgba(22,184,166,.13);color:#0D8879}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease-out,border-color .2s ease-out}
.nav-toggle:hover{background:var(--brand-soft);border-color:#C6DCF7}
.nav-drawer{position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:55;background:#fff;padding:16px 24px 40px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drawer a.drawer-link{display:block;padding:15px 2px;font-size:16px;font-weight:600;color:var(--t1);border-bottom:1px solid var(--div)}
.nav-drawer a.drawer-link:hover{color:var(--brand);text-decoration:none}
.nav-drawer .drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;padding:12px 20px;
  cursor:pointer;text-decoration:none;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn:hover{text-decoration:none}
.btn-sm{padding:9px 15px;font-size:14px}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(30,107,214,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,107,214,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border-color:#C6DCF7}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);padding:8px 0}
.btn-ghost .arw{transition:transform .2s ease-out}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:none}
.btn-ghost:hover .arw{transform:translateX(3px)}
.link-arrow{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow:hover{color:var(--brand-dark);text-decoration:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 10% -12%, #E8F1FD 0%, rgba(232,241,253,0) 70%),
    radial-gradient(760px 400px at 102% -6%, #E6F6F3 0%, rgba(230,246,243,0) 68%),
    var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(30,107,214,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30,107,214,.05) 1px, transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,0) 86%);
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,0) 86%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center;padding-top:60px;padding-bottom:70px}
.pill-status{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:13px;font-weight:600;color:var(--brand-dark);box-shadow:var(--sh-1)}
.pill-status .live{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(22,184,166,.16)}
.hero h1{margin:20px 0 16px;max-width:20ch}
.hero-sub{font-size:17px;color:var(--t2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;padding:0;margin:32px 0 0;font-size:14px;color:var(--t3)}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);flex:0 0 6px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);background:var(--img-bg);box-shadow:var(--sh-2)}
.hero-media-badge{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.95);color:var(--t1);font-size:13px;font-weight:600;padding:8px 15px;border-radius:999px;box-shadow:var(--sh-1)}
.hero-media-chip{position:absolute;right:16px;top:16px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;box-shadow:0 8px 18px rgba(255,138,61,.32)}

/* ---------- 数据条 ---------- */
.trustbar{background:#fff;border-top:1px solid var(--div);border-bottom:1px solid var(--div)}
.trustbar-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:24px 18px;text-align:center;border-left:1px solid var(--div)}
.trust-item:first-child{border-left:0}
.trust-num{display:block;font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.25;font-variant-numeric:tabular-nums}
.trust-label{font-size:14px;color:var(--t3)}

/* ---------- 玩法介绍 ---------- */
.how-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:48px;align-items:start}
.how-intro p{margin-top:14px;font-size:15px}
.how-points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px;font-size:14px;color:var(--t2)}
.how-points li{display:flex;gap:9px;align-items:flex-start}
.how-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px;flex:0 0 6px}
.how-list{display:grid;gap:16px}
.how-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out}
.how-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.how-num{flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.how-body h3{margin-bottom:6px}
.how-body p{font-size:15px}

/* ---------- 奖励预览 ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.reward-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .22s ease-out,box-shadow .22s ease-out}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.reward-card--wide{grid-column:span 2}
.reward-media{position:relative;overflow:hidden;background:var(--img-bg)}
.reward-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.reward-card:hover .reward-media img{transform:scale(1.03)}
.corner-badge{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px}
.corner-badge--soft{background:#fff;color:var(--brand-dark)}
.reward-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.reward-body p{font-size:14px;color:var(--t2)}
.reward-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:8px;font-size:13px;color:var(--t3)}
.tag{display:inline-flex;align-items:center;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;padding:4px 11px;white-space:nowrap}
.tag-ok{background:rgba(22,184,166,.13);color:#0D8879}
.tag-accent{background:rgba(255,138,61,.14);color:#C25A16}

/* ---------- 任务进度 ---------- */
.quest{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--sh-1)}
.quest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.progress-num{font-size:15px;color:var(--t2);font-variant-numeric:tabular-nums}
.progress-num b{font-size:26px;color:var(--brand-dark);font-weight:700;margin-right:2px}
.progress-track{position:relative;height:8px;border-radius:8px;background:var(--line);margin:22px 0 0;overflow:hidden}
.progress-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 55%,var(--accent) 100%);transition:width .6s ease-out}
.milestones{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;padding:0;margin:22px 0 0}
.milestone{position:relative;padding-top:24px;font-size:13px;color:var(--t3);line-height:1.5}
.milestone::before{content:"";position:absolute;top:3px;left:0;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--line);transition:all .2s ease-out}
.milestone.done{color:var(--t2)}
.milestone.done::before{background:var(--ok);border-color:var(--ok)}
.milestone.current{color:var(--brand-dark);font-weight:600}
.milestone.current::before{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 4px rgba(30,107,214,.14)}
.milestone.current::after{content:"";position:absolute;top:5px;left:2px;width:8px;height:8px;border-radius:50%;background:var(--accent);animation:softPulse 1.9s ease-out infinite}
@keyframes softPulse{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:1;transform:scale(1.25)}}
.quest-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--div)}
.quest-foot p{font-size:14px;color:var(--t3);max-width:52ch}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3E3F8}
.post-link{display:flex;flex-direction:column;height:100%;padding:24px;color:inherit}
.post-link:hover{text-decoration:none}
.post-title{font-size:18px;color:var(--t1);margin-bottom:10px;transition:color .2s ease-out}
.post-card:hover .post-title{color:var(--brand-dark)}
.post-summary{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--t3);font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;padding:22px 4px;font-size:16px;font-weight:600;color:var(--t1);text-align:left;cursor:pointer;transition:color .2s ease-out}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out}
.faq-icon::before{top:7px;left:0;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 4px 24px;font-size:15px;color:var(--t2);max-width:80ch}
.faq-a[hidden]{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);border-top:1px solid var(--line);margin-top:20px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px}
.footer-brand span{font-size:16px;font-weight:700;color:var(--t1)}
.footer-desc{font-size:14px;color:var(--t2);max-width:38ch}
.footer-title{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:14px}
.footer-links{list-style:none;padding:0;display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--t2)}
.footer-links a:hover{color:var(--brand);text-decoration:none}
.footer-contact{list-style:none;padding:0;display:grid;gap:10px;font-size:14px;color:var(--t2)}
.footer-contact b{color:var(--t1);font-weight:600}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--t3)}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .section{padding:84px 0}
}
@media (max-width:1180px){
  .nav-countdown{display:none}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-side .badge-live{display:none}
  .nav-side .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
  :root{--nav-h:56px}
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px;flex:0 0 32px}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;padding-top:40px;padding-bottom:52px}
  .hero h1{max-width:none}
  .how-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .reward-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .milestones{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:768px){
  .trustbar-inner{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(odd){border-left:0}
  .trust-item:nth-child(n+3){border-top:1px solid var(--div)}
  .quest{padding:24px 20px}
  .milestones{grid-template-columns:repeat(2,minmax(0,1fr))}
  .reward-grid{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding:4px 2px 14px;-webkit-overflow-scrolling:touch}
  .reward-card,.reward-card--wide{flex:0 0 78%;scroll-snap-align:start}
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .hero-sub{font-size:16px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:52px 0}
  .brand-text{font-size:15px}
  .milestones{grid-template-columns:minmax(0,1fr);gap:12px}
  .milestone{padding-top:20px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --primary:#1E6BD6;
  --primary-dark:#14508F;
  --primary-soft:#E8F1FD;
  --accent:#FF8A3D;
  --teal:#16B8A6;
  --red:#F2545B;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --img-bg:#EAF1FA;
  --footer-bg:#F1F5FA;
  --text:#0F1B2D;
  --muted:#4A5A73;
  --faint:#8A99AE;
  --line:#E4EBF5;
  --divider:#EFF4FA;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow-sm:0 6px 18px rgba(23,52,94,.06);
  --shadow-lg:0 14px 32px rgba(23,52,94,.12);
  --container:1200px;
  --read:780px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--muted);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(30,107,214,.16)}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s ease-out,border-color .24s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(23,52,94,.06)}
.header-inner{display:flex;align-items:center;gap:14px;height:56px}
@media (min-width:1024px){.header-inner{height:68px;gap:24px}}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px;white-space:nowrap;flex:0 0 auto}
.brand:hover{color:var(--primary-dark);text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;
  background:var(--primary-soft);color:var(--primary);flex:0 0 auto;
}
.brand-text{letter-spacing:.2px}
@media (max-width:400px){.brand-text{font-size:14px}}

.nav-links{display:none}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
}
.nav-link{position:relative;display:inline-block;padding:8px 14px;font-size:15px;color:var(--muted);border-radius:10px;transition:color .2s ease-out,background-color .2s ease-out}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);text-decoration:none}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}

.header-actions{display:none}
@media (min-width:1024px){
  .header-actions{display:flex;align-items:center;gap:10px}
}
.countdown-pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.countdown-pill b{font-weight:700;color:var(--primary-dark)}
.countdown-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px rgba(22,184,166,.16)}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;color:#fff;
  background:linear-gradient(90deg,var(--primary),#3F86E4);
  white-space:nowrap;
}
.status-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;opacity:.85}

.menu-toggle{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);
}
@media (min-width:1024px){.menu-toggle{display:none}}
.menu-toggle:hover{background:var(--primary-soft);border-color:#C7DBF6;color:var(--primary-dark)}

.mobile-drawer{
  display:none;border-top:1px solid var(--divider);background:#fff;
  padding:14px 0 20px;box-shadow:0 14px 32px rgba(23,52,94,.12);
}
.mobile-drawer.is-open{display:block}
@media (min-width:1024px){.mobile-drawer{display:none!important}}
.drawer-link{
  display:block;padding:12px 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--divider);
}
.drawer-link:hover{color:var(--primary);text-decoration:none}
.drawer-cta{margin-top:16px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
  text-decoration:none!important;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(30,107,214,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,107,214,.3)}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark)}
.btn-outline{background:#fff;color:var(--primary);border-color:#C7DBF6}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-arrow::after{content:"→";font-size:15px;transition:transform .2s ease-out}
.btn-arrow:hover::after{transform:translateX(3px)}
.btn:disabled,.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.pill-orange{background:rgba(255,138,61,.14);color:#C15A16}
.pill-teal{background:rgba(22,184,166,.14);color:#0C7F73}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--divider)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13.5px;color:var(--faint)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C3CFDF}
.crumb .current{color:var(--text);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(720px 320px at 12% -12%, rgba(30,107,214,.14), transparent 62%),
    linear-gradient(180deg,#EAF3FE 0%, #F6F9FD 100%);
  border-bottom:1px solid var(--divider);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(30,107,214,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,107,214,.05) 1px,transparent 1px);
  background-size:36px 36px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 84%);
  mask-image:linear-gradient(180deg,#000,transparent 84%);
}
.article-hero .container{position:relative;z-index:1}
.hero-pad{padding:34px 0 40px}
@media (min-width:768px){.hero-pad{padding:46px 0 54px}}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.article-title{
  font-size:28px;line-height:1.28;font-weight:700;letter-spacing:-.2px;
  max-width:920px;margin:0 0 18px;
}
@media (min-width:768px){.article-title{font-size:38px}}
@media (min-width:1024px){.article-title{font-size:44px}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;color:var(--faint);font-variant-numeric:tabular-nums;
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{color:var(--primary);flex:0 0 auto}
.meta-divider{width:1px;height:14px;background:var(--line)}
.article-cover{margin:26px 0 0;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--img-bg)}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover}
@media (max-width:640px){.article-cover img{aspect-ratio:16/10}}

/* ---------- 正文 ---------- */
.article-main{padding:40px 0 8px}
@media (min-width:768px){.article-main{padding:56px 0 12px}}
.reader-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:24px 18px;
}
@media (min-width:768px){.reader-card{padding:40px 46px}}
@media (min-width:1024px){.reader-card{padding:48px 56px}}

.prose{max-width:var(--read);margin:0 auto;color:var(--muted);font-size:16px;line-height:1.85}
.prose > * + *{margin-top:18px}
.prose p{color:var(--muted)}
.prose h2{
  position:relative;font-size:22px;margin-top:44px;padding-left:16px;line-height:1.4;
}
@media (min-width:768px){.prose h2{font-size:27px}}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),#63A0EC);
}
.prose h3{font-size:19px;margin-top:32px;color:var(--text)}
.prose h4{font-size:17px;margin-top:24px;color:var(--text)}
.prose ul>li{position:relative;padding-left:22px;margin-top:10px}
.prose ul>li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.65;
}
.prose ol{counter-reset:li}
.prose ol>li{position:relative;padding-left:34px;margin-top:12px;counter-increment:li}
.prose ol>li::before{
  content:counter(li);position:absolute;left:0;top:4px;
  width:22px;height:22px;border-radius:8px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:12px;font-weight:700;line-height:22px;text-align:center;font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:26px 0;padding:18px 22px;background:#FBFDFF;
  border-left:4px solid var(--primary);border-radius:0 14px 14px 0;
  box-shadow:var(--shadow-sm);color:var(--text);font-size:15.5px;
}
.prose blockquote p{color:var(--text)}
.prose img{border-radius:14px;box-shadow:var(--shadow-sm);background:var(--img-bg);margin:26px auto}
.prose a{color:var(--primary);border-bottom:1px solid rgba(30,107,214,.32)}
.prose a:hover{text-decoration:none;border-bottom-color:var(--primary-dark);color:var(--primary-dark)}
.prose strong{color:var(--text);font-weight:600}
.prose hr{border:0;border-top:1px solid var(--divider);margin:36px 0}
.prose table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.prose table th,.prose table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--divider)}
.prose table th{background:var(--primary-soft);color:var(--text);font-weight:600}
.prose table tr:last-child td{border-bottom:0}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13.5px;color:var(--faint);text-align:center;margin-top:10px}
.prose pre{background:#0F1B2D;color:#E8F1FD;padding:16px 18px;border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7}
.prose code{background:var(--primary-soft);color:var(--primary-dark);padding:2px 6px;border-radius:6px;font-size:14px}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:var(--read);margin:0 auto;text-align:center;
  padding:48px 24px;background:#FBFDFF;border:1px dashed #C7DBF6;border-radius:var(--radius-card);
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{margin-bottom:22px;color:var(--muted)}

/* ---------- 文末标签与翻页 ---------- */
.article-foot{max-width:var(--read);margin:36px auto 0}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:24px;border-top:1px solid var(--divider)}
.tag-row .label{font-size:13.5px;color:var(--faint);margin-right:2px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:500}
.tag:hover{background:#D8E7FB;text-decoration:none}

.post-nav{display:grid;gap:16px;margin-top:28px}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#C7DBF6;text-decoration:none}
.post-nav-label{display:block;font-size:13px;color:var(--faint);margin-bottom:6px}
.post-nav-title{display:block;font-size:15.5px;font-weight:600;color:var(--text);line-height:1.5}
.post-nav-item:hover .post-nav-title{color:var(--primary-dark)}
.post-nav-item.is-next{text-align:right}

/* ---------- 相关推荐 ---------- */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
.section-head{max-width:720px;margin-bottom:28px}
.section-head h2{font-size:24px;margin-bottom:10px}
@media (min-width:768px){.section-head h2{font-size:30px}}
.section-head p{color:var(--muted);font-size:15.5px}
.rec-grid{display:grid;gap:20px}
@media (min-width:640px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D3E3F8}
.card-thumb{display:block;background:var(--img-bg);overflow:hidden}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5}
.card-body h3 a{color:var(--text)}
.card-body h3 a:hover{color:var(--primary);text-decoration:none}
.card-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums}
.link-arrow{color:var(--primary);font-size:14px;font-weight:600}
.link-arrow::after{content:" →";transition:transform .2s ease-out}
.link-arrow:hover{text-decoration:none;color:var(--primary-dark)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#14508F 0%,#1E6BD6 62%,#2A78E0 100%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 88% 18%, rgba(255,255,255,.18), transparent 42%),
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:auto, 100% 34px;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-direction:column;gap:22px;
  padding:44px 0;
}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 0;gap:36px}
}
.cta-inner h2{color:#fff;font-size:23px;margin-bottom:10px}
@media (min-width:768px){.cta-inner h2{font-size:30px}}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-outline{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-outline:hover{background:#fff;color:var(--primary-dark);border-color:#fff}
.cta-band .btn-primary{background:#FF8A3D;box-shadow:0 10px 24px rgba(255,138,61,.3)}
.cta-band .btn-primary:hover{background:#F07A2C}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);margin-top:0}
.footer-grid{
  display:grid;gap:32px;padding:48px 0 32px;
}
@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 1.2fr;gap:40px;padding:56px 0 40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary);text-decoration:none}
.footer-contact li{font-size:14px;color:var(--muted);margin-bottom:10px;line-height:1.7}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding:18px 0 26px;font-size:13px;color:var(--faint);
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .card:hover,.post-nav-item:hover,.btn:hover{transform:none!important}
}

/* roulang page: category1 */
:root{
    --brand:#1E6BD6;
    --brand-dark:#14508F;
    --brand-soft:#E8F1FD;
    --reward:#FF8A3D;
    --mint:#16B8A6;
    --alert:#F2545B;
    --bg:#F6F9FD;
    --card:#FFFFFF;
    --img-bg:#EAF1FA;
    --footer:#F1F5FA;
    --ink:#0F1B2D;
    --ink-2:#4A5A73;
    --ink-3:#8A99AE;
    --border:#E4EBF5;
    --line:#EFF4FA;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-sm:0 6px 18px rgba(23,52,94,.06);
    --shadow-md:0 14px 32px rgba(23,52,94,.12);
    --t:220ms cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink-2);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.28}
  h1{font-size:42px;letter-spacing:-.4px}
  h2{font-size:30px;letter-spacing:-.2px}
  h3{font-size:19px;font-weight:600;line-height:1.45}
  p{margin:0}
  a{color:var(--brand);text-decoration:none;transition:color var(--t)}
  a:hover{color:var(--brand-dark);text-decoration:underline}
  img{max-width:100%;display:block}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  .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}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    border-bottom:1px solid transparent;
    transition:border-color var(--t),box-shadow var(--t);
  }
  .site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 4px 16px rgba(23,52,94,.06)}
  .header-inner{display:flex;align-items:center;gap:18px;height:68px}
  .brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:.2px}
  .brand:hover{text-decoration:none;color:var(--brand-dark)}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;flex:0 0 auto;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--brand) 0%,#3E86E6 100%);
    color:#fff;box-shadow:0 6px 14px rgba(30,107,214,.28)
  }
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{position:relative;display:inline-block;padding:9px 13px;border-radius:10px;color:var(--ink-2);font-size:15px;font-weight:500}
  .nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none}
  .nav-link.is-active{color:var(--brand);font-weight:600}
  .nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:-3px;height:2px;border-radius:2px;background:var(--brand)}
  .header-actions{display:flex;align-items:center;gap:10px}
  .countdown-pill{
    display:inline-flex;align-items:center;gap:7px;
    padding:7px 13px;border-radius:999px;background:var(--brand-soft);
    color:var(--brand-dark);font-size:13.5px;font-weight:600
  }
  .countdown-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--reward);animation:pulse 1.8s ease-in-out infinite}
  .status-badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 12px;border-radius:999px;background:rgba(22,184,166,.1);
    color:#0E8E7F;font-size:13px;font-weight:600;border:1px solid rgba(22,184,166,.24)
  }
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.78)}}

  /* ---------- buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);
    font-size:15.5px;font-weight:600;line-height:1;padding:13px 22px;border:1px solid transparent;
    cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t)}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(30,107,214,.24)}
  .btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,107,214,.3);text-decoration:none}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(30,107,214,.22)}
  .btn-outline{background:#fff;color:var(--brand);border-color:rgba(30,107,214,.36)}
  .btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:rgba(30,107,214,.6);text-decoration:none}
  .btn-ghost{background:transparent;color:var(--brand);padding:10px 4px;font-weight:600}
  .btn-ghost .arrow{display:inline-block;transition:transform var(--t)}
  .btn-ghost:hover{text-decoration:none;color:var(--brand-dark)}
  .btn-ghost:hover .arrow{transform:translateX(3px)}
  .btn-sm{padding:10px 17px;font-size:14.5px}
  .btn-lg{padding:15px 28px;font-size:16px}
  .btn[disabled],.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

  .nav-toggle{display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--border);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
  .mobile-drawer{display:none}

  /* ---------- shared ---------- */
  .section{padding:64px 0}
  @media (min-width:768px){.section{padding:80px 0}}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-head{max-width:720px;margin-bottom:34px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:6px 13px;border-radius:999px;margin-bottom:14px}
  .section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
  .pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600}
  .pill.reward{background:rgba(255,138,61,.14);color:#C25A15}
  .pill.mint{background:rgba(22,184,166,.12);color:#0E8E7F}
  .divider{height:1px;background:var(--line);border:0;margin:0}

  /* ---------- breadcrumb ---------- */
  .breadcrumb{padding-top:26px;font-size:14px;color:var(--ink-3)}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .breadcrumb a{color:var(--ink-3)}
  .breadcrumb a:hover{color:var(--brand);text-decoration:none}
  .breadcrumb .sep{color:#C6D2E3}
  .breadcrumb [aria-current]{color:var(--ink);font-weight:600}

  /* ---------- page hero ---------- */
  .page-hero{position:relative;overflow:hidden;padding-bottom:40px}
  .page-hero::before{
    content:"";position:absolute;inset:-30% -10% auto -10%;height:640px;pointer-events:none;
    background:
      radial-gradient(600px 320px at 12% 18%,rgba(30,107,214,.14),transparent 70%),
      radial-gradient(520px 300px at 88% 6%,rgba(255,138,61,.1),transparent 72%);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
    background-image:linear-gradient(rgba(30,107,214,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,107,214,.06) 1px,transparent 1px);
    background-size:44px 44px;
    mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
    -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  }
  .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;padding-top:18px}
  .hero-copy h1{margin:16px 0 0}
  .hero-copy .lead{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:600px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .trust-inline{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:14px;color:var(--ink-2)}
  .trust-inline li{display:flex;align-items:center;gap:8px}
  .trust-inline svg{color:var(--mint);flex:0 0 auto}
  .hero-figure{position:relative;background:var(--img-bg);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-md)}
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .figure-tag{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.95);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600;color:var(--ink);box-shadow:var(--shadow-sm)}

  /* ---------- anchor bar ---------- */
  .anchor-bar{position:relative;z-index:1;display:flex;gap:8px;overflow-x:auto;padding:14px 0 2px;margin-top:34px;border-top:1px solid var(--border);scrollbar-width:none}
  .anchor-bar::-webkit-scrollbar{display:none}
  .anchor-bar a{flex:0 0 auto;padding:9px 15px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:var(--ink-2);font-weight:500;white-space:nowrap}
  .anchor-bar a:hover{color:var(--brand);border-color:rgba(30,107,214,.4);background:var(--brand-soft);text-decoration:none}

  /* ---------- grid & cards ---------- */
  .grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
  .card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
    box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
    transition:transform var(--t),box-shadow var(--t),border-color var(--t)
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(30,107,214,.24)}
  .card-media{position:relative;background:var(--img-bg);overflow:hidden}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
  .card:hover .card-media img{transform:scale(1.03)}
  .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .card-body h3{margin:0}
  .card-body .desc{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .meta-row{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13.5px;color:var(--ink-3);margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
  .meta-row b{color:var(--ink-2);font-weight:600}
  .card-lg{grid-column:span 6}
  .card-sm{grid-column:span 3}
  .card-lg .card-media img{aspect-ratio:16/9}
  .card-lg .card-body h3{font-size:21px}
  .card-lg .card-body .desc{-webkit-line-clamp:3;font-size:15.5px}
  .card-sm .card-media img{aspect-ratio:4/3}
  .card-sm .card-body{padding:16px 18px 18px;gap:9px}
  .card-sm .card-body h3{font-size:16.5px}
  .corner-tag{position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(255,255,255,.94);color:var(--brand-dark)}
  .corner-tag.hot{background:var(--reward);color:#fff}
  .corner-tag.new{background:var(--mint);color:#fff}

  /* ---------- prep checklist ---------- */
  .prep-wrap{display:grid;grid-template-columns:1fr;gap:24px}
  .prep-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-sm)}
  .prep-panel h3{margin-bottom:16px}
  .check-list{display:flex;flex-direction:column;gap:14px}
  .check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
  .check-list .ico{flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;margin-top:2px}
  .check-list b{color:var(--ink);font-weight:600}
  .spec-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
  .spec-item{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
  .spec-item .k{font-size:13px;color:var(--ink-3)}
  .spec-item .v{font-size:19px;font-weight:700;color:var(--ink);margin-top:4px}

  /* ---------- timeline ---------- */
  .timeline{position:relative;padding-left:30px;margin-top:8px}
  .timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-soft))}
  .tl-item{position:relative;padding-bottom:26px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{content:"";position:absolute;left:-30px;top:8px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
  .tl-item.is-current::before{border-color:var(--reward);box-shadow:0 0 0 5px rgba(255,138,61,.16)}
  .tl-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm)}
  .tl-card .tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}
  .tl-card h3{font-size:17px}
  .tl-card p{font-size:14.8px;margin-top:6px}

  /* ---------- metrics ---------- */
  .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .metric{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:var(--shadow-sm)}
  .metric .n{font-size:30px;font-weight:700;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
  .metric .n small{font-size:15px;color:var(--ink-3);font-weight:600;margin-left:3px}
  .metric .l{font-size:14px;color:var(--ink-2);margin-top:8px}

  /* ---------- faq ---------- */
  .faq-list{border-top:1px solid var(--border)}
  .faq-item{border-bottom:1px solid var(--border)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;background:none;border:0;
    padding:20px 2px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:color var(--t)}
  .faq-q:hover{color:var(--brand)}
  .faq-q .mark{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
    display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;transition:transform var(--t),background var(--t),color var(--t)}
  .faq-q[aria-expanded="true"] .mark{transform:rotate(45deg);background:var(--brand);color:#fff}
  .faq-a{padding:0 2px 20px;font-size:15px;color:var(--ink-2);max-width:820px}

  /* ---------- cta band ---------- */
  .cta-band{background:#fff;border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:var(--shadow-sm);
    display:grid;grid-template-columns:1fr;gap:22px;align-items:center;position:relative;overflow:hidden}
  .cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:var(--brand-soft);opacity:.7}
  .cta-band > *{position:relative;z-index:1}
  .cta-band h2{font-size:26px}
  .cta-band p{margin-top:10px;font-size:15.5px}

  /* ---------- footer ---------- */
  .site-footer{background:var(--footer);border-top:1px solid var(--border);margin-top:20px;padding:54px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:16.5px}
  .footer-desc{margin-top:14px;font-size:14.5px;color:var(--ink-2);max-width:420px}
  .footer-title{font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.4px;margin-bottom:14px}
  .footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2)}
  .footer-links a{color:var(--ink-2)}
  .footer-links a:hover{color:var(--brand);text-decoration:none}
  .footer-contact li{line-height:1.7}
  .footer-contact b{color:var(--ink);font-weight:600}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    margin-top:38px;padding-top:20px;border-top:1px solid var(--border);font-size:13.5px;color:var(--ink-3)}

  /* ---------- responsive ---------- */
  @media (min-width:768px){
    .hero-grid{grid-template-columns:1fr 1fr;gap:44px}
    .prep-wrap{grid-template-columns:1.1fr .9fr}
    .metric-grid{grid-template-columns:repeat(4,1fr)}
    .cta-band{grid-template-columns:1.5fr auto;padding:40px}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}
  }
  @media (max-width:1023px){
    .nav-links,.countdown-pill{display:none}
    .nav-toggle{display:inline-flex}
    .mobile-drawer{display:none;border-top:1px solid var(--border);background:#fff;padding:14px 0 20px}
    .mobile-drawer.is-open{display:block}
    .mobile-drawer .container{display:flex;flex-direction:column;gap:6px}
    .mobile-drawer a.m-link{padding:12px 12px;border-radius:11px;color:var(--ink-2);font-size:15.5px;font-weight:500}
    .mobile-drawer a.m-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
    .mobile-drawer a.m-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
    .mobile-drawer .btn{margin-top:10px;width:100%}
    .card-lg,.card-sm{grid-column:span 6}
  }
  @media (max-width:767px){
    h1{font-size:30px}
    h2{font-size:23px}
    .hero-grid{gap:28px}
    .header-inner{height:56px}
    .header-actions .status-badge{display:none}
    .card-lg,.card-sm{grid-column:span 12}
    .grid-12{gap:18px}
    .trust-inline{gap:10px 20px;font-size:13.5px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }

/* roulang page: category2 */
:root{
    --brand:#1E6BD6;
    --brand-dark:#14508F;
    --brand-soft:#E8F1FD;
    --accent:#FF8A3D;
    --teal:#16B8A6;
    --red:#F2545B;
    --bg:#F6F9FD;
    --card:#FFFFFF;
    --img-bg:#EAF1FA;
    --footer-bg:#F1F5FA;
    --text:#0F1B2D;
    --text-2:#4A5A73;
    --text-3:#8A99AE;
    --border:#E4EBF5;
    --divider:#EFF4FA;
    --r-card:16px;
    --r-btn:12px;
    --r-img:12px;
    --sh:0 6px 18px rgba(23,52,94,.06);
    --sh-hover:0 14px 32px rgba(23,52,94,.12);
    --t:200ms ease-out;
    --header-h:68px;
  }
  @media (max-width:640px){ :root{ --header-h:56px; } }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text-2);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{ margin:0; color:var(--text); font-weight:700; line-height:1.3; }
  p{ margin:0; }
  ul,ol{ margin:0; padding:0; }
  img{ display:block; max-width:100%; height:auto; background:var(--img-bg); }
  a{ color:var(--brand); text-decoration:none; }
  a:hover{ text-decoration:none; }
  button{ font:inherit; }
  .num,.metric-value,.step-no,.pill b{ font-variant-numeric:tabular-nums; }

  a:focus-visible,button:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
    border-radius:8px;
  }

  .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; } }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.94);
    border-bottom:1px solid transparent;
    transition:box-shadow var(--t),border-color var(--t);
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--border);
    box-shadow:0 4px 18px rgba(23,52,94,.07);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    height:var(--header-h);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text);
    flex:0 0 auto;
  }
  .brand-mark{
    display:grid;
    place-items:center;
    width:34px;
    height:34px;
    border-radius:11px;
    background:linear-gradient(135deg,var(--brand),var(--brand-dark));
    color:#fff;
    box-shadow:0 6px 14px rgba(30,107,214,.26);
  }
  .brand-text{
    font-size:16px;
    font-weight:700;
    letter-spacing:.2px;
    white-space:nowrap;
  }
  .nav-links{ display:flex; align-items:center; gap:2px; }
  .nav-link{
    position:relative;
    padding:9px 14px;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    color:var(--text-2);
    transition:color var(--t),background var(--t);
  }
  .nav-link:hover{ color:var(--brand-dark); background:var(--brand-soft); }
  .nav-link.is-active{ color:var(--brand); }
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }
  .nav-side{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .nav-toggle{
    display:none;
    width:40px;
    height:40px;
    border-radius:11px;
    border:1px solid var(--border);
    background:#fff;
    color:var(--text);
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:border-color var(--t),background var(--t);
  }
  .nav-toggle:hover{ border-color:#c6dcf6; background:var(--brand-soft); color:var(--brand); }

  .pill{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:6px 12px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    background:var(--brand-soft);
    color:var(--brand-dark);
    white-space:nowrap;
  }
  .pill .dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--teal);
    box-shadow:0 0 0 3px rgba(22,184,166,.16);
  }
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 11px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    background:#fff;
    border:1px solid var(--border);
    color:var(--text-2);
    white-space:nowrap;
  }
  .badge-live{ background:#fff; border-color:#c6dcf6; color:var(--brand); }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:11px 22px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1.4;
    cursor:pointer;
    transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  }
  .btn-primary{
    background:var(--brand);
    color:#fff;
    box-shadow:0 6px 16px rgba(30,107,214,.24);
  }
  .btn-primary:hover{
    background:var(--brand-dark);
    transform:translateY(-1px);
    box-shadow:0 12px 26px rgba(30,107,214,.3);
    color:#fff;
  }
  .btn-primary:active{ transform:translateY(0); }
  .btn-outline{
    background:#fff;
    border-color:#c6dcf6;
    color:var(--brand);
  }
  .btn-outline:hover{ background:var(--brand-soft); color:var(--brand-dark); transform:translateY(-1px); }
  .btn-sm{ padding:8px 16px; font-size:14px; }
  .btn-ghost{
    background:transparent;
    color:var(--brand);
    padding:10px 4px;
  }
  .btn-ghost .arrow{ transition:transform var(--t); }
  .btn-ghost:hover .arrow{ transform:translateX(2px); }
  .btn-light{ background:#fff; color:var(--brand-dark); }
  .btn-light:hover{ background:#EAF3FF; color:var(--brand-dark); transform:translateY(-1px); }
  .btn-outline-light{ background:transparent; border-color:rgba(255,255,255,.55); color:#fff; }
  .btn-outline-light:hover{ background:rgba(255,255,255,.14); color:#fff; transform:translateY(-1px); }

  /* ---------- 页头 Hero ---------- */
  .page-head{
    position:relative;
    padding:26px 0 56px;
    overflow:hidden;
    background:
      radial-gradient(760px 380px at 6% -12%, rgba(30,107,214,.13), transparent 60%),
      radial-gradient(620px 340px at 96% 2%, rgba(22,184,166,.12), transparent 58%),
      var(--bg);
  }
  .page-head::before{
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background-image:
      linear-gradient(rgba(30,107,214,.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(30,107,214,.055) 1px, transparent 1px);
    background-size:46px 46px;
    -webkit-mask-image:radial-gradient(740px 420px at 28% 0%, #000 8%, transparent 76%);
    mask-image:radial-gradient(740px 420px at 28% 0%, #000 8%, transparent 76%);
  }
  .breadcrumb{
    position:relative;
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:22px;
    flex-wrap:wrap;
  }
  .breadcrumb a{ color:var(--text-2); }
  .breadcrumb a:hover{ color:var(--brand); text-decoration:underline; }
  .breadcrumb .sep{ color:var(--text-3); }
  .breadcrumb .current{ color:var(--text); font-weight:600; }

  .page-head-grid{
    position:relative;
    display:grid;
    grid-template-columns:1.08fr .92fr;
    gap:44px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand-dark);
    font-size:13px;
    font-weight:600;
  }
  .page-title{
    font-size:clamp(28px,4vw,44px);
    line-height:1.22;
    font-weight:700;
    letter-spacing:-.2px;
    margin:18px 0 14px;
  }
  .page-lede{
    font-size:16px;
    line-height:1.85;
    color:var(--text-2);
    max-width:640px;
  }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    margin-top:26px;
    font-size:14px;
    color:var(--text-3);
  }
  .hero-facts b{ color:var(--text); font-weight:700; }

  .page-head-media{ position:relative; }
  .page-head-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:var(--r-card);
    border:1px solid var(--border);
    box-shadow:var(--sh-hover);
  }
  .media-tag{
    position:absolute;
    left:16px;
    bottom:16px;
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:7px 13px;
    border-radius:999px;
    background:rgba(255,255,255,.95);
    border:1px solid var(--border);
    font-size:13px;
    font-weight:600;
    color:var(--text-2);
    box-shadow:0 6px 16px rgba(23,52,94,.1);
  }
  .media-tag .dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); }

  .anchor-bar{
    position:relative;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:32px;
    padding-top:22px;
    border-top:1px solid var(--divider);
  }
  .anchor-bar a{
    font-size:14px;
    font-weight:600;
    color:var(--text-2);
    background:#fff;
    border:1px solid var(--border);
    border-radius:999px;
    padding:7px 15px;
    transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
  }
  .anchor-bar a:hover{
    color:var(--brand);
    border-color:#c6dcf6;
    background:var(--brand-soft);
    transform:translateY(-1px);
  }

  /* ---------- 板块 ---------- */
  .section{ padding:56px 0; }
  @media (min-width:768px){ .section{ padding:72px 0; } }
  @media (min-width:1024px){ .section{ padding:88px 0; } }
  .section-head{ max-width:740px; margin-bottom:36px; }
  .section-title{
    font-size:clamp(22px,2.6vw,30px);
    line-height:1.32;
    margin:14px 0 12px;
    font-weight:700;
  }
  .section-sub{ font-size:15px; color:var(--text-2); }

  /* ---------- 交错图文 ---------- */
  .alt-stack{ display:grid; gap:44px; }
  .alt-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:44px;
    align-items:center;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:20px;
    padding:28px;
    box-shadow:var(--sh);
    transition:box-shadow var(--t),transform var(--t);
  }
  .alt-row:hover{ transform:translateY(-3px); box-shadow:var(--sh-hover); }
  .alt-row.is-reverse .alt-media{ order:-1; }
  .alt-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--r-img);
    border:1px solid var(--divider);
  }
  .step-no{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:5px 13px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand-dark);
    font-size:13px;
    font-weight:700;
  }
  .alt-title{ font-size:19px; font-weight:600; margin:16px 0 10px; }
  .alt-text{ font-size:15px; color:var(--text-2); }
  .check-list{ list-style:none; margin:16px 0 0; padding:0; }
  .check-list li{
    position:relative;
    padding-left:26px;
    margin-top:10px;
    font-size:15px;
    color:var(--text-2);
  }
  .check-list li::before{
    content:"";
    position:absolute;
    left:1px;
    top:8px;
    width:13px;
    height:7px;
    border-left:2px solid var(--teal);
    border-bottom:2px solid var(--teal);
    transform:rotate(-45deg);
    border-radius:1px;
  }

  /* ---------- 指标卡 ---------- */
  .metric-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
  .metric-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--sh);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .metric-card:hover{ transform:translateY(-3px); box-shadow:var(--sh-hover); border-color:#cfe0f7; }
  .metric-label{ font-size:13px; font-weight:600; color:var(--text-3); }
  .metric-value{
    font-size:30px;
    font-weight:700;
    color:var(--text);
    line-height:1.2;
    margin:8px 0 4px;
  }
  .metric-value small{ font-size:14px; font-weight:600; color:var(--text-3); margin-left:4px; }
  .metric-bar{
    height:8px;
    border-radius:999px;
    background:var(--border);
    overflow:hidden;
    margin-top:14px;
  }
  .metric-bar i{
    display:block;
    height:100%;
    border-radius:999px;
    background:linear-gradient(90deg,var(--brand),#5FA8F0);
  }
  .metric-bar.is-warm i{ background:linear-gradient(90deg,var(--brand),var(--accent)); }
  .metric-note{ font-size:13px; color:var(--text-3); margin-top:10px; }

  /* ---------- 场景列表 ---------- */
  .scene-list{ display:grid; gap:14px; }
  .scene-item{
    display:grid;
    grid-template-columns:auto 1fr auto;
    gap:20px;
    align-items:center;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:20px 24px;
    box-shadow:var(--sh);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .scene-item:hover{ transform:translateY(-3px); box-shadow:var(--sh-hover); border-color:#cfe0f7; }
  .scene-icon{
    width:44px;
    height:44px;
    border-radius:14px;
    background:var(--brand-soft);
    color:var(--brand);
    display:grid;
    place-items:center;
  }
  .scene-title{ font-size:16px; font-weight:600; color:var(--text); }
  .scene-desc{ font-size:14px; color:var(--text-2); margin-top:4px; }
  .scene-meta{
    padding:6px 13px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand-dark);
    font-size:13px;
    font-weight:600;
    white-space:nowrap;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{ max-width:860px; }
  .faq-item{ border-bottom:1px solid var(--divider); }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 0;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    transition:color var(--t);
  }
  .faq-item summary:hover{ color:var(--brand); }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-icon{
    position:relative;
    flex:0 0 22px;
    width:22px;
    height:22px;
    border-radius:50%;
    background:var(--brand-soft);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    background:var(--brand);
    border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-icon::before{ width:11px; height:2px; }
  .faq-icon::after{ width:2px; height:11px; transition:transform var(--t),opacity var(--t); }
  .faq-item[open] .faq-icon::after{ transform:translate(-50%,-50%) scaleY(0); opacity:0; }
  .faq-answer{
    padding:0 40px 20px 0;
    font-size:15px;
    color:var(--text-2);
    max-width:780px;
  }

  /* ---------- CTA ---------- */
  .cta-band{
    display:grid;
    grid-template-columns:1.35fr .95fr;
    gap:32px;
    align-items:center;
    padding:40px;
    border-radius:22px;
    background:linear-gradient(120deg,#14508F,#1E6BD6);
    box-shadow:0 18px 40px rgba(20,80,143,.22);
  }
  .cta-title{ color:#fff; font-size:clamp(20px,2.4vw,26px); line-height:1.35; }
  .cta-text{ color:rgba(255,255,255,.86); font-size:15px; margin-top:12px; }
  .cta-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:flex-end; }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:24px;
    background:var(--footer-bg);
    border-top:1px solid var(--border);
    padding-top:56px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.7fr 1fr 1fr 1.4fr;
    gap:32px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:16px;
    font-weight:700;
    color:var(--text);
  }
  .footer-brand .brand-mark{
    width:32px;
    height:32px;
    border-radius:10px;
  }
  .footer-desc{
    font-size:14px;
    line-height:1.75;
    color:var(--text-3);
    margin-top:14px;
    max-width:360px;
  }
  .footer-title{ font-size:14px; font-weight:600; color:var(--text); margin-bottom:14px; }
  .footer-links{ list-style:none; display:grid; gap:10px; }
  .footer-links a{ font-size:14px; color:var(--text-2); transition:color var(--t); }
  .footer-links a:hover{ color:var(--brand); text-decoration:underline; }
  .footer-contact{ list-style:none; display:grid; gap:10px; font-size:14px; color:var(--text-3); }
  .footer-contact b{ color:var(--text-2); font-weight:600; }
  .footer-bottom{
    margin-top:36px;
    border-top:1px solid var(--border);
    padding:18px 0 26px;
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    justify-content:space-between;
    font-size:13px;
    color:var(--text-3);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .page-head-grid{ grid-template-columns:1fr; gap:32px; }
    .alt-row{ grid-template-columns:1fr; gap:24px; padding:22px; }
    .alt-row.is-reverse .alt-media{ order:0; }
    .metric-grid{ grid-template-columns:repeat(2,1fr); }
    .cta-band{ grid-template-columns:1fr; padding:32px; }
    .cta-actions{ justify-content:flex-start; }
    .footer-grid{ grid-template-columns:1fr 1fr; }

    .nav-links{
      position:fixed;
      left:0;
      right:0;
      top:var(--header-h);
      flex-direction:column;
      align-items:stretch;
      gap:4px;
      padding:16px;
      background:#fff;
      border-bottom:1px solid var(--border);
      box-shadow:0 18px 30px rgba(23,52,94,.08);
      opacity:0;
      visibility:hidden;
      transform:translateY(-10px);
      transition:opacity var(--t),transform var(--t),visibility var(--t);
    }
    .nav-links.is-open{ opacity:1; visibility:visible; transform:none; }
    .nav-link{ padding:12px 14px; }
    .nav-link.is-active::after{ display:none; }
    .nav-link.is-active{ background:var(--brand-soft); }
    .nav-toggle{ display:inline-flex; }
    .nav-side .pill,
    .nav-side .badge,
    .nav-side .btn{ display:none; }
  }

  @media (max-width:640px){
    .page-head{ padding:18px 0 40px; }
    .hero-facts{ gap:8px 18px; font-size:13px; }
    .section-head{ margin-bottom:26px; }
    .metric-grid{ grid-template-columns:1fr; }
    .scene-item{ grid-template-columns:40px 1fr; gap:14px; padding:18px; }
    .scene-icon{ width:40px; height:40px; border-radius:12px; }
    .scene-meta{ grid-column:2; justify-self:start; }
    .faq-answer{ padding-right:8px; }
    .footer-grid{ grid-template-columns:1fr; gap:26px; }
    .footer-desc{ max-width:none; }
    .cta-band{ padding:26px 20px; border-radius:18px; }
    .cta-actions .btn{ flex:1 1 auto; }
  }

  @media (prefers-reduced-motion:reduce){
    *{ transition:none !important; animation:none !important; scroll-behavior:auto !important; }
    .alt-row:hover,.metric-card:hover,.scene-item:hover,.btn:hover{ transform:none !important; }
  }

/* roulang page: category3 */
:root{
    --primary:#1E6BD6;
    --primary-dark:#14508F;
    --primary-light:#E8F1FD;
    --orange:#FF8A3D;
    --teal:#16B8A6;
    --red:#F2545B;
    --bg:#F6F9FD;
    --card:#FFFFFF;
    --img-ph:#EAF1FA;
    --footer-bg:#F1F5FA;
    --text:#0F1B2D;
    --text-2:#4A5A73;
    --text-3:#8A99AE;
    --border:#E4EBF5;
    --divider:#EFF4FA;
    --radius-card:16px;
    --radius-btn:12px;
    --radius-img:12px;
    --shadow-sm:0 6px 18px rgba(23,52,94,.06);
    --shadow-lg:0 14px 32px rgba(23,52,94,.12);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text-2);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.25;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:19px;font-weight:600;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
  a:hover{text-decoration:underline;}
  img{max-width:100%;display:block;height:auto;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

  .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;}}

  .num{font-variant-numeric:tabular-nums;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    border-bottom:1px solid transparent;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;}
  @media (min-width:1024px){.header-inner{height:68px;}}

  .brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px;letter-spacing:.2px;}
  .brand:hover{text-decoration:none;color:var(--primary-dark);}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:32px;height:32px;border-radius:10px;
    background:var(--primary-light);color:var(--primary);
    flex:0 0 auto;
  }
  .brand-text{white-space:nowrap;}

  .nav-links{display:none;}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:4px;}
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:9px 14px;
    font-size:15px;
    font-weight:500;
    color:var(--text-2);
    border-radius:9px;
    transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .nav-link:hover{color:var(--primary);background:var(--primary-light);text-decoration:none;}
  .nav-link.is-active{color:var(--primary);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;
    height:2px;border-radius:2px;background:var(--primary);
  }

  .nav-actions{display:flex;align-items:center;gap:10px;}
  .countdown-pill{
    display:none;align-items:center;gap:7px;
    height:34px;padding:0 13px;
    border:1px solid var(--border);border-radius:999px;
    background:#fff;font-size:13px;color:var(--text-2);
    font-variant-numeric:tabular-nums;white-space:nowrap;
  }
  .countdown-pill b{color:var(--primary-dark);font-weight:700;}
  @media (min-width:1024px){.countdown-pill{display:inline-flex;}}
  .countdown-dot{
    width:7px;height:7px;border-radius:50%;background:var(--teal);
    box-shadow:0 0 0 3px rgba(22,184,166,.16);
    animation:pulse 2.2s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{transform:scale(1);opacity:1;}
    50%{transform:scale(1.18);opacity:.72;}
  }
  .status-badge{
    display:none;
    padding:5px 11px;border-radius:999px;
    background:var(--primary-light);color:var(--primary-dark);
    font-size:12.5px;font-weight:600;letter-spacing:.3px;
    white-space:nowrap;
  }
  @media (min-width:640px){.status-badge{display:inline-block;}}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:7px;
    padding:10px 18px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;line-height:1.4;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn:hover{text-decoration:none;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(30,107,214,.22);}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(30,107,214,.28);}
  .btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
  .btn-outline:hover{background:var(--primary-light);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--primary);padding-left:6px;padding-right:6px;}
  .btn-ghost .arrow{transition:transform .2s var(--ease);}
  .btn-ghost:hover .arrow{transform:translateX(2px);}
  .btn-sm{padding:8px 14px;font-size:14px;border-radius:10px;}
  .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

  .hamburger{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:10px;
    border:1px solid var(--border);background:#fff;color:var(--text);
  }
  .hamburger:hover{background:var(--primary-light);color:var(--primary);}
  @media (min-width:1024px){.hamburger{display:none;}}

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--border);
    background:#fff;
    padding:12px 0 18px;
  }
  .mobile-drawer.is-open{display:block;}
  @media (min-width:1024px){.mobile-drawer{display:none !important;}}
  .drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:12px;}
  .drawer-links .nav-link{display:block;padding:12px 14px;border-radius:10px;}
  .drawer-links .nav-link.is-active::after{display:none;}
  .drawer-links .nav-link.is-active{background:var(--primary-light);}
  .drawer-cta{display:flex;flex-direction:column;gap:10px;}
  .drawer-cta .btn{width:100%;}

  /* ============ 页头 ============ */
  .page-hero{
    position:relative;
    overflow:hidden;
    padding:36px 0 44px;
    background:
      radial-gradient(circle at 12% 8%, rgba(30,107,214,.14), transparent 46%),
      radial-gradient(circle at 88% 4%, rgba(255,138,61,.10), transparent 40%),
      var(--bg);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(30,107,214,.05) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(30,107,214,.05) 1px, transparent 1px);
    background-size:44px 44px;
    mask-image:linear-gradient(180deg, rgba(0,0,0,.6), transparent 82%);
    -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.6), transparent 82%);
  }
  .page-hero .container{position:relative;z-index:1;}
  @media (min-width:1024px){.page-hero{padding:52px 0 64px;}}

  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:18px;}
  .breadcrumb a{color:var(--text-2);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:var(--border);}
  .breadcrumb .current{color:var(--primary-dark);font-weight:600;}

  .hero-grid{display:grid;gap:28px;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.08fr .92fr;align-items:center;gap:48px;}}

  .hero-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:#fff;border:1px solid var(--border);
    color:var(--primary-dark);font-size:13px;font-weight:600;
    box-shadow:var(--shadow-sm);
  }
  .hero-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);}
  .page-hero h1{margin:16px 0 14px;font-size:30px;letter-spacing:-.4px;}
  @media (min-width:768px){.page-hero h1{font-size:40px;}}
  @media (min-width:1024px){.page-hero h1{font-size:44px;}}
  .hero-lead{max-width:640px;font-size:16px;color:var(--text-2);}

  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

  .hero-media{
    position:relative;border-radius:var(--radius-card);
    overflow:hidden;border:1px solid var(--border);
    box-shadow:var(--shadow-lg);background:var(--img-ph);
  }
  .hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .hero-media-badge{
    position:absolute;left:14px;bottom:14px;
    display:inline-flex;align-items:center;gap:7px;
    padding:7px 13px;border-radius:999px;
    background:rgba(255,255,255,.95);
    color:var(--primary-dark);font-size:13px;font-weight:600;
    box-shadow:var(--shadow-sm);
  }
  .hero-media-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}

  /* ============ 锚点跳转条 ============ */
  .anchor-bar{
    display:flex;gap:10px;overflow-x:auto;
    padding:14px 0 4px;margin-top:26px;
    scrollbar-width:none;
  }
  .anchor-bar::-webkit-scrollbar{display:none;}
  .anchor-bar a{
    flex:0 0 auto;
    padding:8px 16px;border-radius:999px;
    background:#fff;border:1px solid var(--border);
    color:var(--text-2);font-size:14px;font-weight:500;
    transition:all .2s var(--ease);
  }
  .anchor-bar a:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light);text-decoration:none;transform:translateY(-1px);}

  /* ============ 通用板块 ============ */
  .section{padding:52px 0;}
  @media (min-width:768px){.section{padding:68px 0;}}
  @media (min-width:1024px){.section{padding:84px 0;}}
  .section-alt{background:#fff;border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);}

  .section-head{max-width:760px;margin-bottom:32px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    font-size:13px;font-weight:600;color:var(--primary);
    letter-spacing:1px;margin-bottom:10px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--primary);}
  .section-head h2{margin-bottom:12px;}
  .section-head p{font-size:15.5px;color:var(--text-2);}

  /* ============ 数据条 ============ */
  .fact-bar{
    display:grid;gap:20px;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
    padding:22px 20px;box-shadow:var(--shadow-sm);
  }
  @media (min-width:640px){.fact-bar{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.fact-bar{grid-template-columns:repeat(4,1fr);padding:26px 28px;}}
  .fact{padding-left:16px;border-left:2px solid var(--primary-light);}
  .fact:first-child{border-left-color:var(--primary);}
  .fact dt{font-size:13px;color:var(--text-3);margin-bottom:6px;}
  .fact dd{margin:0;font-size:19px;font-weight:700;color:var(--text);}
  .fact dd small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:6px;}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;padding-left:34px;}
  .timeline::before{
    content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,var(--primary) 0%, var(--primary-light) 100%);
    border-radius:2px;
  }
  .tl-item{position:relative;margin-bottom:20px;}
  .tl-item:last-child{margin-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-33px;top:24px;
    width:14px;height:14px;border-radius:50%;
    background:#fff;border:3px solid var(--border);
    box-sizing:border-box;
  }
  .tl-item.is-done::before{border-color:var(--teal);background:var(--teal);}
  .tl-item.is-current::before{
    border-color:var(--orange);background:#fff;
    width:18px;height:18px;left:-35px;top:22px;
    box-shadow:0 0 0 4px rgba(255,138,61,.16);
    animation:pulse 2s ease-in-out infinite;
  }
  .tl-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-sm);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
  .tl-item.is-current .tl-card{border-color:rgba(255,138,61,.5);}
  .tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
  .tl-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
  .tl-card h3{margin-bottom:8px;}
  .tl-card p{font-size:15px;}
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .tag{
    display:inline-block;padding:4px 11px;border-radius:999px;
    background:var(--primary-light);color:var(--primary-dark);
    font-size:12.5px;font-weight:600;
  }
  .tag-orange{background:rgba(255,138,61,.14);color:#B85B14;}
  .tag-teal{background:rgba(22,184,166,.14);color:#0C7A6E;}
  .tag-plain{background:var(--divider);color:var(--text-2);}

  .tl-media{
    margin-top:14px;border-radius:var(--radius-img);overflow:hidden;
    background:var(--img-ph);border:1px solid var(--divider);
  }
  .tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}

  /* ============ 档位对比 ============ */
  .compare-grid{display:grid;gap:20px;}
  @media (min-width:768px){.compare-grid{grid-template-columns:repeat(3,1fr);align-items:start;}}
  .compare-card{
    position:relative;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
    padding:24px 20px;box-shadow:var(--shadow-sm);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
  .compare-card.is-featured{
    border-color:var(--primary);
    box-shadow:0 16px 36px rgba(30,107,214,.16);
  }
  @media (min-width:768px){
    .compare-card.is-featured{margin-top:-14px;padding-top:30px;padding-bottom:30px;}
  }
  .featured-flag{
    position:absolute;top:-12px;left:20px;
    padding:4px 12px;border-radius:999px;
    background:var(--orange);color:#fff;font-size:12px;font-weight:700;
    letter-spacing:.4px;box-shadow:0 6px 14px rgba(255,138,61,.32);
  }
  .compare-card h3{margin-bottom:6px;font-size:20px;}
  .compare-desc{font-size:14px;color:var(--text-3);margin-bottom:16px;min-height:44px;}
  .compare-list{display:flex;flex-direction:column;gap:11px;margin-bottom:20px;}
  .compare-list li{display:flex;gap:9px;font-size:14.5px;color:var(--text-2);}
  .compare-list li .mark{
    flex:0 0 auto;width:18px;height:18px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary-light);color:var(--primary);margin-top:3px;
  }
  .compare-card.is-featured .compare-list li .mark{background:rgba(255,138,61,.16);color:#B85B14;}
  .compare-card .btn{width:100%;}

  /* ============ 参与步骤 ============ */
  .steps{display:grid;gap:20px;}
  @media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;}}
  .step{
    position:relative;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
    padding:22px 20px;box-shadow:var(--shadow-sm);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
  .step-no{
    display:inline-flex;align-items:center;justify-content:center;
    width:32px;height:32px;border-radius:10px;
    background:var(--primary);color:#fff;font-weight:700;font-size:14px;
    margin-bottom:14px;font-variant-numeric:tabular-nums;
  }
  .step h3{font-size:17px;margin-bottom:8px;}
  .step p{font-size:14.5px;}

  /* ============ 提示块 ============ */
  .notice{
    display:flex;gap:14px;align-items:flex-start;
    margin-top:26px;padding:18px 20px;
    background:var(--primary-light);border:1px solid rgba(30,107,214,.16);
    border-radius:var(--radius-card);
  }
  .notice-icon{
    flex:0 0 auto;width:34px;height:34px;border-radius:10px;
    display:inline-flex;align-items:center;justify-content:center;
    background:#fff;color:var(--primary);
  }
  .notice p{font-size:14.5px;color:var(--primary-dark);}
  .notice b{color:var(--text);}

  /* ============ FAQ ============ */
  .faq-list{border-top:1px solid var(--divider);max-width:860px;}
  .faq-item{border-bottom:1px solid var(--divider);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;text-align:left;
    font-size:16px;font-weight:600;color:var(--text);
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--primary);}
  .faq-icon{
    position:relative;flex:0 0 auto;width:18px;height:18px;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--primary);border-radius:2px;
    transition:transform .24s var(--ease),opacity .24s var(--ease);
  }
  .faq-icon::before{left:0;top:8px;width:18px;height:2px;}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px;}
  .faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .faq-item.is-open .faq-a{max-height:460px;}
  .faq-a p{padding:0 4px 22px;font-size:15px;color:var(--text-2);max-width:780px;}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,#1E6BD6 0%, #14508F 100%);
    border-radius:20px;
    padding:38px 24px;
    color:#fff;
  }
  @media (min-width:768px){.cta-band{padding:52px 48px;}}
  .cta-band::after{
    content:"";position:absolute;right:-40px;top:-60px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle, rgba(255,138,61,.30), transparent 68%);
    pointer-events:none;
  }
  .cta-band .cta-inner{position:relative;z-index:1;display:grid;gap:22px;}
  @media (min-width:1024px){.cta-band .cta-inner{grid-template-columns:1.4fr auto;align-items:center;}}
  .cta-band h2{color:#fff;margin-bottom:12px;}
  .cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:620px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .cta-band .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 10px 24px rgba(6,30,64,.28);}
  .cta-band .btn-primary:hover{background:#EAF2FE;color:var(--primary-dark);}
  .cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.62);}
  .cta-band .btn-outline:hover{background:rgba(255,255,255,.14);}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--footer-bg);
    border-top:1px solid var(--border);
    padding:44px 0 24px;
    margin-top:0;
  }
  .footer-grid{display:grid;gap:30px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);font-size:16px;margin-bottom:14px;}
  .footer-brand .brand-mark{background:#fff;}
  .footer-desc{font-size:14px;color:var(--text-2);max-width:360px;}
  .footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:var(--text-2);}
  .footer-links a:hover{color:var(--primary);}
  .footer-contact{display:flex;flex-direction:column;gap:10px;}
  .footer-contact li{font-size:14px;color:var(--text-2);}
  .footer-contact b{color:var(--text);font-weight:600;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    margin-top:34px;padding-top:20px;
    border-top:1px solid var(--border);
    font-size:13px;color:var(--text-3);
  }

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  }