/* roulang page: index */
:root{
  --c-primary:#1E5FD8;
  --c-primary-d:#123C8C;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-d:#E2551A;
  --c-teal:#12A594;
  --c-teal-l:#E3F6F3;
  --c-warn:#D64545;
  --c-ink:#0F1B2D;
  --c-ink-2:#4A5A70;
  --c-ink-3:#8695AA;
  --c-line:#E5EAF2;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.04), 0 8px 24px rgba(15,27,45,.06);
  --sh-2:0 2px 4px rgba(15,27,45,.06), 0 16px 36px rgba(15,27,45,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --tr:160ms ease;
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--c-ink);
  background:var(--c-bg);letter-spacing:.01em;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.25;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px;font-weight:600}
h4{font-size:17px;font-weight:600}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:20px}
li{margin-bottom:8px}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:16px;
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-ink-2);font-size:16px;margin:0}
.lead{color:var(--c-ink-2);font-size:17px}
.muted{color:var(--c-ink-3);font-size:14px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none;color:var(--c-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-3)}
.brand-badge{
  font-size:12px;color:var(--c-primary);border:1px solid var(--c-primary-l);
  background:var(--c-primary-l);border-radius:var(--r-pill);padding:2px 9px;margin-left:4px;font-weight:600;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  font-size:15px;color:var(--c-ink-2);padding:8px 12px;border-radius:8px;font-weight:500;
  border-bottom:2px solid transparent;transition:all var(--tr);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-bg);text-decoration:none}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-l);border-bottom-color:var(--c-primary);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--tr);text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 1px 2px rgba(255,107,44,.24)}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,107,44,.28)}
.btn-accent:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);transform:translateY(-1px)}
.btn-text{min-height:auto;padding:0;color:var(--c-primary);font-weight:600;background:none;border:0}
.btn-text::after{content:"→";margin-left:6px;transition:transform var(--tr)}
.btn-text:hover::after{transform:translateX(4px)}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px}

/* mega */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:15px;font-weight:500;cursor:pointer;transition:all var(--tr);
}
.mega-trigger::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform var(--tr)}
.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{color:var(--c-primary);border-color:var(--c-primary-l);background:var(--c-primary-l)}
.mega-panel{
  position:absolute;top:calc(100% + 6px);right:0;width:680px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);padding:24px;display:grid;grid-template-columns:1fr 1fr 200px;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all var(--tr);
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;color:var(--c-ink-3);font-weight:600;letter-spacing:.06em;margin-bottom:12px;text-transform:uppercase}
.mega-col ul{list-style:none;padding:0;margin:0}
.mega-col li{margin-bottom:6px}
.mega-col a{display:block;font-size:14px;color:var(--c-ink-2);padding:6px 8px;border-radius:8px;transition:all var(--tr)}
.mega-col a:hover{background:var(--c-bg);color:var(--c-primary);text-decoration:none}
.mega-card{
  background:var(--c-primary);color:#fff;border-radius:var(--r-card);padding:18px;display:flex;flex-direction:column;gap:8px;
}
.mega-card strong{font-size:15px;line-height:1.4}
.mega-card span{font-size:13px;color:rgba(255,255,255,.82);line-height:1.6}
.mega-card a{color:#fff;font-size:13px;font-weight:600;margin-top:auto}
.mega-card a:hover{color:#fff;text-decoration:underline}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;
  cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transform:translate(-50%,-50%);transition:all var(--tr);
}
.nav-toggle span::before{content:"";transform:translate(-50%,-7px)}
.nav-toggle span::after{content:"";transform:translate(-50%,5px)}
body.drawer-open .nav-toggle{background:var(--c-primary);border-color:var(--c-primary)}
body.drawer-open .nav-toggle span{background:#fff}
body.drawer-open .nav-toggle span::before{transform:translate(-50%,0) rotate(45deg)}
body.drawer-open .nav-toggle span::after{transform:translate(-50%,0) rotate(-45deg)}
.drawer-mask{position:fixed;inset:0;background:rgba(15,27,45,.42);opacity:0;visibility:hidden;transition:all var(--tr);z-index:58}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:59;padding:88px 24px 32px;
  transform:translateX(102%);transition:transform 220ms ease;overflow-y:auto;box-shadow:var(--sh-2);
}
body.drawer-open .drawer{transform:none}
.drawer h4{font-size:13px;color:var(--c-ink-3);letter-spacing:.06em;margin:24px 0 10px}
.drawer a.drawer-link{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;border-radius:var(--r-btn);color:var(--c-ink);font-size:15px;border:1px solid var(--c-line);margin-bottom:8px}
.drawer a.drawer-link:hover{background:var(--c-primary-l);border-color:var(--c-primary-l);color:var(--c-primary-d);text-decoration:none}
.drawer a.drawer-link.is-active{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);font-weight:600}
.drawer .btn{width:100%;margin-top:16px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,#F6F8FC 100%);border-bottom:1px solid var(--c-line);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;left:-140px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,95,216,.10),rgba(30,95,216,0) 68%);
}
.hero-inner{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding:72px 0 80px;position:relative}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:6px 14px;font-size:13px;font-weight:600;color:var(--c-primary);box-shadow:var(--sh-1);margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-teal);display:block}
.hero h1{margin-bottom:18px}
.hero h1 mark{background:linear-gradient(180deg,rgba(255,107,44,0) 62%,rgba(255,107,44,.22) 62%);color:inherit;padding:0 2px}
.hero-sub{font-size:17px;color:var(--c-ink-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;border-top:1px solid var(--c-line);padding-top:24px;max-width:600px}
.hero-stats b{display:block;font-size:26px;font-weight:700;color:var(--c-primary-d);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats span{font-size:13px;color:var(--c-ink-3)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-2)}
.hero-tag{
  position:absolute;background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:10px 14px;box-shadow:var(--sh-1);
  font-size:13px;font-weight:600;color:var(--c-ink);
}
.hero-tag small{display:block;font-size:12px;color:var(--c-ink-3);font-weight:500}
.hero-tag.tl{top:16px;left:-18px;border-left:3px solid var(--c-primary)}
.hero-tag.br{bottom:18px;right:-14px;border-left:3px solid var(--c-accent)}
.hero-tag.online{color:var(--c-teal)}

/* ---------- trust bar ---------- */
.trust-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.trust-bar .container{display:flex;flex-wrap:wrap;gap:32px;padding-top:20px;padding-bottom:20px}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-2)}
.trust-item svg{width:20px;height:20px;flex:0 0 auto;color:var(--c-primary)}

/* ---------- compare table ---------- */
.table-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
table.compare{font-size:15px}
table.compare thead th{
  position:sticky;top:64px;background:#F1F5FB;text-align:left;padding:18px 20px;font-size:14px;color:var(--c-ink-2);
  font-weight:600;border-bottom:1px solid var(--c-line);z-index:2;
}
table.compare thead th.tier{min-width:200px}
table.compare thead th.reco{background:var(--c-primary-l);color:var(--c-primary-d);position:relative}
table.compare thead th.reco::after{
  content:"推荐";position:absolute;top:-1px;right:14px;background:var(--c-accent);color:#fff;font-size:12px;
  font-weight:600;padding:2px 10px;border-radius:0 0 8px 8px;
}
table.compare tbody th[scope="row"]{text-align:left;font-weight:600;padding:14px 20px;color:var(--c-ink);width:220px}
table.compare tbody tr.group th{background:#F7F9FD;color:var(--c-ink-3);font-size:13px;letter-spacing:.04em;padding:10px 20px}
table.compare td{padding:14px 20px;border-bottom:1px solid var(--c-line);vertical-align:middle;color:var(--c-ink-2)}
table.compare tbody tr:nth-child(even) td{background:#FCFDFF}
table.compare td.hl{background:rgba(232,240,254,.55)}
.mark{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;font-size:13px;font-weight:700}
.mark.yes{background:var(--c-teal-l);color:var(--c-teal)}
.mark.no{background:#F1F3F7;color:var(--c-ink-3)}
.compare-note{font-size:13px;color:var(--c-ink-3);margin-top:14px}

/* ---------- ladder ---------- */
.ladder{position:relative;padding-left:0}
.ladder::before{content:"";position:absolute;left:22px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--c-primary-l),var(--c-line))}
.step{position:relative;padding-left:64px;margin-bottom:24px}
.step:last-child{margin-bottom:0}
.step-dot{
  position:absolute;left:8px;top:4px;width:30px;height:30px;border-radius:50%;background:#fff;border:2px solid var(--c-primary);
  color:var(--c-primary);display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-card{
  background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-primary);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);transition:all var(--tr);
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.step-card h3{margin-bottom:8px}
.step-card ul{margin:10px 0 0;padding-left:18px;color:var(--c-ink-2);font-size:15px}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;font-weight:600;border-radius:var(--r-pill);padding:4px 12px;
}
.tag.teal{background:var(--c-teal-l);color:var(--c-teal)}
.tag.gray{background:#F1F3F7;color:var(--c-ink-2)}

/* ---------- content cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;transition:all var(--tr);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-l)}
.card-thumb{position:relative}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.card-thumb .cat{
  position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:3px 10px;
}
.card-thumb .lock{
  position:absolute;right:12px;top:12px;background:rgba(15,27,45,.72);color:#fff;font-size:12px;
  border-radius:var(--r-pill);padding:3px 10px;display:inline-flex;align-items:center;gap:5px;
}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--c-ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--c-ink-3);margin-top:auto;padding-top:10px;border-top:1px solid var(--c-line)}
.card.is-locked .card-thumb img{filter:grayscale(.55) saturate(.6);opacity:.9}
.card.is-locked .card-body h3{color:var(--c-ink)}

/* ---------- news list ---------- */
.news-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.news-row{
  display:grid;grid-template-columns:112px 1fr 132px;gap:20px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--c-line);transition:background var(--tr);
}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:#F8FAFE}
.news-row .cat-badge{justify-self:start}
.news-main h3{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.5}
.news-main h3 a{color:var(--c-ink)}
.news-main h3 a:hover{color:var(--c-primary)}
.news-main p{font-size:14px;color:var(--c-ink-3);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-date{text-align:right;font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.empty-state{
  text-align:center;padding:56px 24px;color:var(--c-ink-3);
}
.empty-state svg{width:40px;height:40px;color:var(--c-ink-3);margin:0 auto 14px}
.empty-state p{font-size:15px;margin-bottom:18px}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-1)}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--c-line);font-size:15px;color:var(--c-ink-2)}
.check-list li:last-child{border-bottom:0}
.check-list svg{width:20px;height:20px;flex:0 0 auto;color:var(--c-teal);margin-top:3px}
.check-list strong{color:var(--c-ink);display:block;font-size:15px;margin-bottom:2px}

/* ---------- faq ---------- */
.faq-list{max-width:880px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:all var(--tr)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:500;color:var(--c-ink-3);transition:all var(--tr);flex:0 0 auto;line-height:1;
}
.faq-item summary:hover{background:#FCFDFF}
.faq-item[open]{border-color:var(--c-primary-l)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary::after{content:"−";color:var(--c-primary);transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;color:var(--c-ink-2);font-size:15px;border-top:1px solid var(--c-line);padding-top:16px}

/* ---------- cta ---------- */
.cta-band{background:var(--c-primary);color:#fff;border-radius:18px;padding:44px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;box-shadow:var(--sh-2)}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:0}
.cta-form{background:#fff;border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.cta-form label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.cta-form input{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;
  font-size:15px;font-family:inherit;color:var(--c-ink);background:#fff;transition:all var(--tr);
}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,95,216,.16)}
.cta-form .btn{width:100%;margin-top:14px}
.cta-form .hint{font-size:12px;color:var(--c-ink-3);margin:10px 0 0;line-height:1.6}
.form-msg{font-size:13px;margin-top:10px;display:none}
.form-msg.ok{display:block;color:var(--c-teal)}
.form-msg.err{display:block;color:var(--c-warn)}

/* ---------- footer ---------- */
.site-footer{background:#0F1B2D;color:#C3CDDC;margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer p{font-size:14px;color:#93A2B8;line-height:1.75}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px}
.site-footer a{color:#C3CDDC;font-size:14px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--c-primary)}
.footer-brand strong{color:#fff;font-size:16px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8695AA}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .mega{display:none}
  .nav-toggle{display:block}
  .header-actions .btn-accent{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 0 56px}
  .hero-tag.tl{left:8px}
  .hero-tag.br{right:8px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
  table.compare thead th{top:64px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .card-grid{grid-template-columns:1fr}
  .news-row{grid-template-columns:1fr;gap:8px;padding:18px 20px}
  .news-row .cat-badge{justify-self:start}
  .news-date{text-align:left}
  .drawer{padding-top:80px}
  /* compare table -> cards */
  table.compare,table.compare thead,table.compare tbody,table.compare tr,table.compare th,table.compare td{display:block;width:100%}
  table.compare thead{display:none}
  table.compare tbody tr{border:1px solid var(--c-line);border-radius:var(--r-card);margin:0 16px 16px;overflow:hidden;background:#fff}
  table.compare tbody tr.group{border:0;margin-bottom:8px}
  table.compare tbody tr.group th{background:#F7F9FD}
  table.compare tbody th[scope="row"]{background:#F7F9FD;width:auto;border-bottom:1px solid var(--c-line)}
  table.compare td{border-bottom:1px dashed var(--c-line);padding:12px 16px;display:flex;justify-content:space-between;gap:12px;align-items:center}
  table.compare td:last-child{border-bottom:0}
  table.compare td::before{content:attr(data-label);font-size:13px;color:var(--c-ink-3);font-weight:600}
  .table-wrap{background:transparent;border:0;box-shadow:none;border-radius:0}
  .table-wrap{padding-top:8px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .cta-band{padding:26px 22px}
  .hero-tag{position:static;display:inline-block;margin:10px 8px 0 0}
  .step{padding-left:54px}
  .ladder::before{left:18px}
  .step-dot{left:4px}
}

/* roulang page: article */
:root{
  --c-primary:#1E5FD8;
  --c-primary-d:#123C8C;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-d:#E2551A;
  --c-teal:#12A594;
  --c-warn:#D64545;
  --ink:#0F1B2D;
  --ink-2:#4A5A70;
  --ink-3:#8695AA;
  --line:#E5EAF2;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(15,27,45,.04),0 8px 24px rgba(15,27,45,.06);
  --shadow-2:0 2px 4px rgba(15,27,45,.06),0 16px 36px rgba(15,27,45,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color 160ms ease,background-color 160ms ease,border-color 160ms ease,transform 160ms ease}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow 160ms ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,27,45,.07)}
.header-inner{display:flex;align-items:center;gap:var(--sp-5);height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.brand-text:hover{color:var(--c-primary-d)}
.brand-badge{
  font-size:12px;line-height:1;padding:5px 9px;border-radius:999px;
  border:1px solid var(--c-primary);color:var(--c-primary);background:#fff;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:var(--sp-4);flex:1}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;
  border-radius:8px;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-14px;height:2px;background:var(--c-primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:var(--sp-3);flex-shrink:0}

/* Mega 面板 */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;cursor:pointer;
}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary)}
.mega-trigger .caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:680px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-2);padding:22px;display:grid;
  grid-template-columns:1.1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity 160ms ease,transform 160ms ease,visibility 160ms;
}
.mega-panel::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.6px;margin-bottom:10px}
.mega-col li{margin-bottom:6px}
.mega-col a{font-size:14.5px;color:var(--ink-2);display:block;padding:5px 8px;border-radius:8px}
.mega-col a:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.mega-entry{
  border:1px solid var(--line);border-radius:12px;padding:14px;background:linear-gradient(180deg,#F8FAFF,#fff);
}
.mega-entry strong{display:block;font-size:15px;margin-bottom:4px}
.mega-entry span{font-size:13px;color:var(--ink-3);display:block;margin-bottom:10px}
.mega-entry .go{font-size:14px;font-weight:600;color:var(--c-accent)}
.mini-date{display:block;font-size:12.5px;color:var(--ink-3);margin-top:-2px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color 160ms ease,box-shadow 160ms ease,transform 160ms ease,border-color 160ms ease,color 160ms ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,44,.24)}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,44,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,107,44,.22)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--c-primary-d)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px}
.link-arrow span{transition:transform 160ms ease}
.link-arrow:hover span{transform:translateX(4px)}

/* 移动端抽屉 */
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform 160ms ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.nav-open .nav-toggle{background:var(--c-primary);border-color:var(--c-primary)}
body.nav-open .nav-toggle span,
body.nav-open .nav-toggle span::before,
body.nav-open .nav-toggle span::after{background:#fff}
.nav-overlay{
  position:fixed;inset:0;background:rgba(15,27,45,.5);opacity:0;visibility:hidden;transition:opacity 160ms ease,visibility 160ms;z-index:55;
}
body.nav-open .nav-overlay{opacity:1;visibility:visible}

/* ============ 面包屑与文章头 ============ */
.page-band{
  background:#fff;border-bottom:1px solid var(--line);
  padding:24px 0 30px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C6D0DE}
.crumb .now{color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary-d);
  background:var(--c-primary-l);border-radius:999px;padding:6px 12px;margin:18px 0 14px;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);font-weight:700;line-height:1.28;letter-spacing:-.2px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:14px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E3}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary);font-size:13px;font-weight:600;
}
.tag-teal{background:#E4F6F3;color:#0E8478}

/* ============ 布局 ============ */
.page-main{padding:var(--sp-9) 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:40px 44px;
}
.article-media{margin-bottom:32px}
.article-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow-1)}
.article-media figcaption{font-size:13px;color:var(--ink-3);margin-top:10px;text-align:center}

.article-body{max-width:760px;font-size:16.5px;line-height:1.85;color:#1B2637}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,26px);font-weight:700;margin:2em 0 .8em;padding-left:15px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:19px;font-weight:600;margin:1.6em 0 .55em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--ink-2)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin:.45em 0}
.article-body ol li{list-style:decimal;margin:.45em 0}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-l);border-radius:0 12px 12px 0;color:var(--c-primary-d);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;background:#fff}
.article-body th{background:#F1F5FC;text-align:left;font-weight:600;color:var(--ink)}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.article-body img{border-radius:var(--r-img);margin:1.5em auto;box-shadow:var(--shadow-1)}
.article-body a{border-bottom:1px solid rgba(30,95,216,.35);font-weight:500}
.article-body a:hover{border-bottom-color:var(--c-primary-d)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.article-foot{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);
}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  box-shadow:var(--shadow-1);transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease;
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-l)}
.pn-card em{display:block;font-style:normal;font-size:12.5px;color:var(--ink-3);margin-bottom:6px}
.pn-card strong{font-size:15.5px;font-weight:600;color:var(--ink);display:block;line-height:1.5}
.pn-card:hover strong{color:var(--c-primary-d)}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed #D7DFEB;border-radius:var(--r-card);background:#FBFCFE;
}
.empty-state .ico{
  width:48px;height:48px;margin:0 auto 16px;border-radius:12px;border:1.5px solid var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:20px;
}
.empty-state p{color:var(--ink-2);margin-bottom:18px}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:20px}
.side-card h4{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary)}
.side-list li{border-bottom:1px solid var(--line);padding:10px 0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14.5px;color:var(--ink-2);line-height:1.55}
.side-list a:hover{color:var(--c-primary)}
.side-list .mini-date{margin-top:4px}
.side-cta{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff}
.side-cta h4{color:#fff}
.side-cta h4::before{background:var(--c-accent)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:16px;line-height:1.7}
.side-cta .btn{width:100%}

/* ============ 相关推荐 ============ */
.section{padding:var(--sp-9) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700}
.section-head p{font-size:14.5px;color:var(--ink-3);margin-top:8px}
.rec-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.rec-item{
  display:grid;grid-template-columns:104px minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:18px 22px;border-bottom:1px solid var(--line);transition:background-color 160ms ease;
}
.rec-item:last-child{border-bottom:0}
.rec-item:hover{background:#F8FAFF}
.rec-item img{width:104px;aspect-ratio:16/9;object-fit:cover;border-radius:10px}
.rec-item h3{font-size:16px;font-weight:600;line-height:1.55}
.rec-item:hover h3{color:var(--c-primary-d)}
.rec-item p{font-size:14px;color:var(--ink-3);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rec-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);white-space:nowrap}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:8px 28px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--ink);transition:color 160ms ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item summary .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:16px;line-height:1;
  transition:transform 200ms ease,background-color 160ms ease,border-color 160ms ease;
}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary .sign{background:var(--c-primary-l);border-color:var(--c-primary-l);transform:rotate(45deg)}
.faq-body{padding:0 0 20px;font-size:15.5px;color:var(--ink-2);line-height:1.8;max-width:740px}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-primary);border-radius:18px;color:#fff;padding:44px 48px;
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:36px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);font-weight:700}
.cta-band p{color:rgba(255,255,255,.82);margin-top:12px;font-size:15.5px;max-width:520px}
.cta-form{background:#fff;border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-2)}
.cta-form label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.cta-form input{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;
  background:#fff;transition:border-color 160ms ease,box-shadow 160ms ease;
}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,95,216,.14)}
.cta-form .btn{width:100%;margin-top:14px}
.cta-form .hint{font-size:12.5px;color:var(--ink-3);margin-top:10px;line-height:1.6}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:var(--sp-8) 0 28px;margin-top:var(--sp-9)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px;border-radius:9px}
.footer-brand strong{font-size:16px;font-weight:700}
.site-footer p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.site-footer li{font-size:14px;color:var(--ink-2);margin-bottom:9px}
.site-footer li a{color:var(--ink-2)}
.site-footer li a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:20px;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:64px;right:0;bottom:0;width:min(340px,88vw);background:#fff;margin:0;
    flex-direction:column;align-items:stretch;gap:2px;padding:18px;z-index:58;overflow-y:auto;
    border-left:1px solid var(--line);box-shadow:-12px 0 32px rgba(15,27,45,.12);
    transform:translateX(102%);transition:transform 200ms ease;visibility:hidden;
  }
  body.nav-open .main-nav{transform:translateX(0);visibility:visible}
  .nav-link{height:46px;font-size:15.5px;justify-content:flex-start}
  .nav-link.is-active{background:var(--c-primary-l)}
  .nav-link.is-active::after{display:none}
  .header-actions .btn{display:none}
  .mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;height:46px;margin-top:6px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    padding:8px 0 0;grid-template-columns:1fr;gap:14px;
  }
  .mega-panel::before{display:none}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static}
  .article-card{padding:28px 24px}
  .cta-band{grid-template-columns:1fr;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-main{padding:56px 0}
  .section{padding:56px 0}
  .rec-item{grid-template-columns:88px minmax(0,1fr);gap:14px}
  .rec-item img{width:88px}
  .rec-meta{grid-column:1/-1;justify-content:flex-start}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-title{font-size:26px}
  .article-body{font-size:16px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-foot{grid-template-columns:1fr}
  .faq-wrap{padding:6px 18px}
  .rec-item{grid-template-columns:1fr;gap:12px}
  .rec-item img{width:100%;aspect-ratio:16/9}
  .rec-item p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .footer-grid{grid-template-columns:1fr}
  .site-footer p{max-width:none}
  .crumb .now{white-space:normal}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E5FD8;
  --c-primary-d:#123C8C;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-d:#E2551A;
  --c-teal:#12A594;
  --c-teal-l:#E4F6F3;
  --c-warn:#D64545;
  --c-ink:#0F1B2D;
  --c-ink-2:#4A5A70;
  --c-ink-3:#8695AA;
  --c-line:#E5EAF2;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.04), 0 8px 24px rgba(15,27,45,.06);
  --sh-2:0 2px 4px rgba(15,27,45,.06), 0 16px 36px rgba(15,27,45,.10);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --t:160ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
a:hover{color:var(--c-primary-d)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(15,27,45,.02);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:var(--sp-5);
  min-height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-weight:700;font-size:17px;line-height:1;
  letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.2px}
.brand-badge{
  font-size:12px;color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:var(--r-pill);
  padding:3px 10px;font-weight:500;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:flex;align-items:center;
  height:40px;padding:0 14px;
  border-radius:var(--r-btn);
  color:var(--c-ink-2);font-size:15px;font-weight:500;
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.nav-link.is-active{color:var(--c-primary-d);background:var(--c-primary-l);border-bottom-color:var(--c-primary)}
.header-actions{display:flex;align-items:center;gap:var(--sp-3);flex:0 0 auto}
.mega-wrap{position:relative}
.mega-trigger{
  display:flex;align-items:center;gap:6px;
  height:40px;padding:0 14px;border-radius:var(--r-btn);
  color:var(--c-ink-2);font-size:15px;font-weight:500;
  border:1px solid var(--c-line);background:var(--c-surface);
}
.mega-trigger::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary-d)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 6px);
  width:660px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:var(--sp-5);
  display:grid;grid-template-columns:1fr 1fr 220px;gap:var(--sp-5);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{font-size:13px;color:var(--c-ink-3);font-weight:600;letter-spacing:.6px;margin-bottom:10px}
.mega-col ul{display:grid;gap:2px}
.mega-col a{display:block;font-size:14px;color:var(--c-ink-2);padding:7px 8px;border-radius:8px}
.mega-col a:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.mega-note{font-size:13px;color:var(--c-ink-3);line-height:1.6;margin-top:8px}
.mega-card{
  display:block;padding:16px;border-radius:var(--r-card);
  background:var(--c-primary-l);color:var(--c-primary-d);
}
.mega-card strong{display:block;font-size:15px;margin-bottom:4px}
.mega-card span{font-size:13px;color:var(--c-ink-2);line-height:1.6}
.mega-card:hover{color:var(--c-primary-d);box-shadow:var(--sh-1);transform:translateY(-2px)}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink-2);border-radius:2px;transition:var(--t)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,44,.28)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(30,95,216,.24)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary);min-height:44px}
.btn-link::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);transition:transform var(--t)}
.btn-link:hover::after{transform:rotate(45deg) translate(2px,-2px)}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:56px 0 72px;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(104deg,rgba(15,27,45,.94),rgba(18,60,140,.80))}
.hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{opacity:.5}
.crumbs .now{color:#fff}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:var(--sp-7);align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,44px);line-height:1.25;font-weight:700;letter-spacing:.2px}
.hero h1 .hl{color:#FFD8C4}
.hero-lead{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:38em}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:28px}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-stats{display:flex;flex-wrap:wrap;gap:var(--sp-6);margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
.hero-stats div strong{display:block;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.72)}
.hero-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);padding:var(--sp-5);backdrop-filter:blur(2px)}
.hero-side h2{font-size:16px;font-weight:600;color:#fff;margin-bottom:14px}
.hero-side ul{display:grid;gap:12px}
.hero-side li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.85)}
.hero-side li b{color:#fff;font-weight:600}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:var(--sp-7)}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px}
.surface{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.banner{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  background:var(--c-surface);
}
.banner img{width:100%;aspect-ratio:3/1;object-fit:cover}
.banner figcaption{font-size:13px;color:var(--c-ink-3);padding:12px 16px}

/* notice bar */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-primary-l);
  border:1px solid #CFE0FA;
  border-radius:var(--r-card);
  padding:16px 20px;color:var(--c-primary-d);
  margin-bottom:var(--sp-6);
}
.notice .ico{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:2px}
.notice p{font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.notice strong{color:var(--c-primary-d)}

/* ---------- timeline steps ---------- */
.steps{position:relative;max-width:900px}
.step{position:relative;padding:0 0 32px 84px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:25px;top:56px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--c-primary-l),#D6E3F8);
}
.step:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;
  width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-surface);
  border:2px solid var(--c-primary);
  color:var(--c-primary-d);
  font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.step-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:20px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.step-card h3{font-size:20px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:15px;color:var(--c-ink-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-block;font-size:13px;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary-d);font-weight:500;
}
.tag.teal{background:var(--c-teal-l);color:#0B7A6D}
.tag.gray{background:#F1F4F9;color:var(--c-ink-2)}

/* ---------- checklist ---------- */
.cols-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--sp-6)}
.panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:var(--sp-6);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.panel:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6E3F8}
.panel h3{font-size:20px;font-weight:600;margin-bottom:6px}
.panel > p{font-size:14px;color:var(--c-ink-2);margin-bottom:18px}
.check-list{display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;font-size:15px;color:var(--c-ink-2);
  padding-bottom:12px;border-bottom:1px solid var(--c-line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list .dot{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--c-teal-l);color:#0B7A6D;
  display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:4px;
}
.check-list strong{color:var(--c-ink);font-weight:600}

/* ---------- table ---------- */
.table-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse}
thead th{
  position:sticky;top:0;z-index:2;
  background:#F0F4FB;color:var(--c-ink-2);
  font-size:13px;font-weight:600;text-align:left;
  padding:14px 20px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
tbody td{
  padding:14px 20px;font-size:15px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);line-height:1.7;
}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#FAFCFF}
tbody td:first-child{color:var(--c-ink);font-weight:600}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t);
}
.faq details[open]{border-color:#D6E3F8;box-shadow:var(--sh-2)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";margin-left:auto;flex:0 0 auto;
  width:14px;height:14px;position:relative;
  background:
    linear-gradient(currentColor,currentColor) center/14px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 14px no-repeat;
  color:var(--c-primary);
  transition:transform var(--t);
}
.faq details[open] summary{color:var(--c-primary-d)}
.faq details[open] summary::after{transform:rotate(90deg)}
.faq .answer{padding:0 22px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.8}

/* ---------- cta ---------- */
.cta{
  background:var(--c-primary-d);
  color:#fff;border-radius:0;
  padding:56px 0;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:var(--sp-7);align-items:center}
.cta h2{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.35}
.cta p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:34em}
.cta-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);padding:var(--sp-5)}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:8px}
.cta-form input{
  width:100%;min-height:46px;padding:0 14px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.94);color:var(--c-ink);
  transition:box-shadow var(--t),border-color var(--t);
}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.cta-form .btn{width:100%;margin-top:14px}
.cta-form .hint{margin-top:10px;font-size:13px;color:rgba(255,255,255,.7)}
.form-msg{margin-top:10px;font-size:13px}
.form-msg.ok{color:#7FE0D3}
.form-msg.err{color:#FFB3B3}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-5)}
.rel-card{
  display:block;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);color:var(--c-ink);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.rel-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6E3F8;color:var(--c-ink)}
.rel-card .tag{margin-bottom:14px}
.rel-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.rel-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7}
.rel-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--c-primary)}

/* ---------- footer ---------- */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-6)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--c-primary);color:#fff}
.footer-brand strong{color:#fff;font-size:17px}
.site-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.site-footer ul{display:grid;gap:10px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer p{line-height:1.8;max-width:34em}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-toggle{display:flex}
  .header-actions .mega-wrap{display:none}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:12px 16px 16px;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    display:none;
  }
  .nav-toggle-input:checked ~ .main-nav{display:flex}
  .nav-link{height:46px;padding:0 12px;border-bottom:0;border-radius:var(--r-btn)}
  .nav-link.is-active{border-bottom:0}
  .nav-toggle-input:checked ~ .nav-toggle{background:var(--c-primary);border-color:var(--c-primary)}
  .nav-toggle-input:checked ~ .nav-toggle span{background:#fff}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(2){opacity:0}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-6)}
  .section{padding:64px 0}
  .cols-2{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-text{font-size:16px}
  .brand-badge{display:none}
  .header-actions .btn{display:none}
  .hero{padding:36px 0 52px}
  .hero-stats{gap:var(--sp-5)}
  .hero-stats div strong{font-size:20px}
  .section{padding:56px 0}
  .banner img{aspect-ratio:21/9}
  .step{padding-left:0;padding-bottom:24px}
  .step::before{display:none}
  .step-num{position:static;width:40px;height:40px;font-size:13px;margin-bottom:12px}
  .step-card{padding:18px}
  .step-card h3{font-size:18px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-6)}
  .table-wrap{border-radius:var(--r-card)}
  thead th{white-space:normal;padding:12px 14px}
  tbody td{padding:12px 14px;font-size:14px}
  .faq summary{font-size:16px;padding:16px 18px}
  .faq .answer{padding:0 18px 18px}
  .panel{padding:20px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .hero-side{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .step-card:hover,.panel:hover,.rel-card:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --c-primary:#1E5FD8;
  --c-primary-d:#123C8C;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-d:#E2551A;
  --c-teal:#12A594;
  --c-teal-l:#E4F6F3;
  --c-warn:#D64545;
  --c-text:#0F1B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8695AA;
  --c-line:#E5EAF2;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(15,27,45,.04),0 8px 24px rgba(15,27,45,.06);
  --shadow-2:0 2px 4px rgba(15,27,45,.06),0 16px 36px rgba(15,27,45,.10);
  --ease:160ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-d)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
}
.header-inner{position:relative;display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-text);white-space:nowrap}
.brand:hover{color:var(--c-primary-d)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:0 0 auto;
}
.brand-tag{
  font-size:12px;font-weight:500;color:var(--c-primary-d);background:var(--c-primary-l);
  border-radius:999px;padding:2px 8px;line-height:1.6;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--c-text-2);white-space:nowrap;transition:background var(--ease),color var(--ease);
}
.nav-link:hover{color:var(--c-primary-d);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary-d);background:var(--c-primary-l);font-weight:600}
.nav-toggle-input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--c-line);
  border-radius:var(--r-btn);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background var(--ease),border-color var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:var(--ease)}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-l)}

/* ---------- Hero ---------- */
.page-hero{padding:32px 0 8px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary-d)}
.breadcrumb .sep{color:#C3CDDC}
.breadcrumb .current{color:var(--c-text-2)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary-d);
  background:var(--c-primary-l);border-radius:999px;padding:5px 14px;margin-bottom:18px;font-weight:500;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
h1{font-size:clamp(30px,4.4vw,44px);font-weight:700;line-height:1.25;max-width:900px}
.hero-lead{margin-top:18px;max-width:760px;font-size:17px;color:var(--c-text-2)}
.hero-banner{
  margin:32px 0 0;border-radius:16px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-1);border:1px solid var(--c-line);
}
.hero-banner img{width:100%;height:250px;object-fit:cover}
.hero-banner figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 20px;font-size:13px;color:#fff;
  background:linear-gradient(180deg,rgba(15,27,45,0) 0%,rgba(15,27,45,.72) 100%);
}

/* ---------- Section base ---------- */
.section{padding:88px 0 0}
.section:last-of-type{padding-bottom:88px}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .eyebrow{font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.04em;margin-bottom:10px}
h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px}
h3{font-size:20px;font-weight:600;line-height:1.4}
h4{font-size:17px;font-weight:600}

/* ---------- Cards ---------- */
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.card:hover{box-shadow:var(--shadow-2);border-color:var(--c-primary-l);transform:translateY(-2px)}
.card-body{padding:24px}
.card-img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img);aspect-ratio:16/9}

.mosaic{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch}
.mosaic .stack{display:grid;gap:24px;align-content:stretch}
.feature-card{display:flex;flex-direction:column;overflow:hidden}
.feature-card .thumb{overflow:hidden;border-bottom:1px solid var(--c-line)}
.feature-card .thumb img{width:100%;height:230px;object-fit:cover;transition:transform 320ms ease}
.feature-card:hover .thumb img{transform:scale(1.02)}
.feature-card .card-body{padding:26px 26px 28px}
.feature-card h3{margin-bottom:14px}
.mini-card{display:flex;flex-direction:column}
.mini-card .card-body{padding:22px 24px 24px}
.mini-card h3{font-size:18px;margin-bottom:12px}
.card-text{color:var(--c-text-2);font-size:15px;margin-bottom:14px}

.check-list{display:grid;gap:10px;margin-bottom:18px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--c-text-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:4px;
  background:var(--c-teal-l);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312A594' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size:11px 11px;background-repeat:no-repeat;background-position:center;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);
}
.link-more::after{content:"→";transition:transform var(--ease)}
.link-more:hover::after{transform:translateX(4px)}

/* ---------- Table ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow-x:auto;
}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
  position:sticky;top:0;background:#F1F5FC;color:var(--c-text);
  font-size:14px;font-weight:600;text-align:left;padding:14px 18px;
  border-bottom:1px solid var(--c-line);white-space:nowrap;
}
tbody td{padding:16px 18px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);vertical-align:top}
tbody tr:nth-child(even){background:#FAFBFE}
tbody tr:hover{background:var(--c-primary-l)}
tbody td:first-child{color:var(--c-text);font-weight:600}
tbody tr:last-child td{border-bottom:0}

/* ---------- Steps ---------- */
.steps{position:relative;padding-left:36px}
.steps::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:var(--c-line)}
.step{position:relative;padding-bottom:26px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-36px;top:5px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);
}
.step::after{
  content:attr(data-index);position:absolute;left:-31px;top:9px;font-size:11px;font-weight:700;color:var(--c-primary-d);
}
.step h4{margin-bottom:6px}
.step p{color:var(--c-text-2);font-size:15px}

/* ---------- Info bar ---------- */
.notice-bar{
  display:flex;align-items:flex-start;gap:14px;background:var(--c-primary-l);
  border:1px solid #D3E1FB;border-radius:var(--r-card);padding:18px 22px;margin-top:24px;
}
.notice-bar .ico{
  width:26px;height:26px;border-radius:8px;background:var(--c-primary);color:#fff;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;line-height:1;
}
.notice-bar p{font-size:15px;color:var(--c-primary-d)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-text);transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-primary-l);
  color:var(--c-primary-d);font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease),background var(--ease);
}
.faq-item summary:hover{color:var(--c-primary-d);background:#FBFCFF}
.faq-item[open] summary{color:var(--c-primary-d)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--c-text-2);max-width:760px}

/* ---------- Cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cross-card{display:block;padding:24px;color:inherit}
.cross-card:hover{color:inherit}
.cross-card .badge{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-primary-d);
  background:var(--c-primary-l);border-radius:999px;padding:3px 12px;margin-bottom:14px;
}
.cross-card h3{font-size:18px;margin-bottom:8px}
.cross-card p{font-size:15px;color:var(--c-text-2);margin-bottom:14px}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;background:var(--c-primary);color:#fff;border-radius:16px;
  padding:44px 40px;display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin-top:12px;font-size:15px;color:#D9E5FB;max-width:560px}
.cta-form{display:grid;gap:12px}
.field label{display:block;font-size:14px;color:#D9E5FB;margin-bottom:6px}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field input::placeholder{color:#BFD3F4}
.field input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2);box-shadow:0 0 0 3px rgba(255,255,255,.22)}
.form-row{display:flex;gap:12px;align-items:stretch;flex-wrap:wrap}
.form-row input{flex:1 1 220px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-d);box-shadow:0 10px 24px rgba(226,85,26,.28)}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.btn-light{background:#fff;color:var(--c-primary-d)}
.btn-light:hover{background:#EDF3FE}
.form-tip{font-size:14px;color:#D9E5FB;min-height:22px}
.form-tip.is-error{color:#FFD3CD}
.form-tip.is-success{color:#BFF2E9}

/* ---------- Footer ---------- */
.site-footer{margin-top:88px;background:#0F1B2D;color:#B9C6DA;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand .brand-mark{background:var(--c-primary)}
.site-footer p{font-size:14px;line-height:1.8;color:#93A3B8;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer ul{display:grid;gap:9px}
.site-footer li{font-size:14px;color:#93A3B8}
.site-footer a{color:#B9C6DA}
.site-footer a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7A8AA0;
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-toggle{display:flex}
  .main-nav{
    display:none;position:absolute;top:64px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px 20px 20px;
    background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-2);
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-toggle-input:checked ~ .main-nav{display:flex}
  .nav-link{padding:12px 14px;font-size:16px}
  .section{padding-top:64px}
  .cta-band{margin-top:64px;padding:34px 28px;grid-template-columns:1fr;gap:26px}
  .site-footer{margin-top:64px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-banner img{height:200px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:28px}
  .mosaic{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .feature-card .thumb img{height:190px}
  .hero-banner img{height:150px}
  .hero-banner figcaption{padding:10px 14px;font-size:12px}
  .section{padding-top:56px}
  .section:last-of-type{padding-bottom:56px}
  .brand-tag{display:none}
  .table-wrap{border-radius:12px}
  .cta-band{border-radius:14px}
}
@media (max-width:520px){
  .brand{font-size:15px}
  .hero-lead{font-size:16px}
  .card-body{padding:20px}
  .feature-card .card-body{padding:20px}
  .btn{width:100%}
  .form-row .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .card:hover{transform:none}
}

/* roulang page: category2 */
/* ================= 设计变量 ================= */
:root{
  --c-primary:#1E5FD8;
  --c-primary-d:#123C8C;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-d:#E2551A;
  --c-teal:#12A594;
  --c-teal-l:#E4F6F3;
  --c-warn:#D64545;
  --c-text:#0F1B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8695AA;
  --c-line:#E5EAF2;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.04), 0 8px 24px rgba(15,27,45,.06);
  --sh-2:0 2px 4px rgba(15,27,45,.06), 0 16px 36px rgba(15,27,45,.10);
  --t:160ms ease;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --header-h:64px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* ================= 布局容器 ================= */
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:767px){.container{padding:0 20px;}}

.section{padding:88px 0;}
.section--tight{padding:64px 0;}
@media (max-width:767px){.section{padding:56px 0;}.section--tight{padding:44px 0;}}

.section-head{margin-bottom:32px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--c-text-2);}

/* ================= 头部 / 导航 ================= */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--c-line);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text);flex-shrink:0;}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:34px;height:34px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;font-size:17px;font-weight:700;line-height:1;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-badge{
  font-size:12px;font-weight:600;color:var(--c-primary);
  border:1px solid var(--c-primary-l);
  background:var(--c-primary-l);
  padding:2px 8px;border-radius:var(--r-pill);white-space:nowrap;
}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;
  padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--c-text-2);
  white-space:nowrap;position:relative;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-l);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-13px;
  height:3px;border-radius:3px;background:var(--c-primary);
}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* Mega 面板 */
.mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--c-text-2);
  border:1px solid var(--c-line);background:#fff;
}
.mega-trigger:hover,.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{
  color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);
}
.mega-trigger .chev{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform var(--t);}
.mega:hover .mega-trigger .chev,.mega:focus-within .mega-trigger .chev{transform:rotate(225deg) translateY(-2px);}
.mega-panel{
  position:absolute;right:-16px;top:calc(100% + 6px);
  width:680px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:24px;
  display:grid;grid-template-columns:1.1fr 1.3fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h5{
  font-size:13px;font-weight:600;color:var(--c-text-3);
  letter-spacing:.04em;margin-bottom:12px;
}
.mega-col ul li{margin-bottom:4px;}
.mega-col ul a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:14px;color:var(--c-text-2);line-height:1.5;
}
.mega-col ul a:hover{background:var(--c-primary-l);color:var(--c-primary);}
.mega-item{padding:8px 0;border-bottom:1px solid var(--c-line);}
.mega-item:last-child{border-bottom:0;}
.mega-item a{display:block;font-size:14px;font-weight:600;color:var(--c-text);line-height:1.5;}
.mega-item a:hover{color:var(--c-primary);}
.mega-item span{display:block;font-size:12px;color:var(--c-text-3);margin-top:2px;}
.mega-card{
  background:var(--c-primary-l);border-radius:var(--r-card);padding:16px;
  display:flex;flex-direction:column;gap:8px;height:100%;
}
.mega-card strong{font-size:15px;color:var(--c-primary-d);}
.mega-card p{font-size:13px;color:var(--c-text-2);line-height:1.6;}
.mega-card .mega-link{font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.mega-card .mega-link::after{content:"→";transition:transform var(--t);}
.mega-card .mega-link:hover::after{transform:translateX(3px);}

/* 移动端开关与抽屉 */
.nav-toggle-input{position:absolute;opacity:0;width:0;height:0;pointer-events:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  margin-left:auto;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text-2);transition:background var(--t),transform var(--t);}
.nav-toggle-input:checked + .nav-toggle{background:var(--c-primary);border-color:var(--c-primary);}
.nav-toggle-input:checked + .nav-toggle span{background:#fff;}
.nav-toggle-input:checked + .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle-input:checked + .nav-toggle span:nth-child(2){opacity:0;}
.nav-toggle-input:checked + .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:16px 0 24px;
  max-height:calc(100vh - var(--header-h));
  overflow-y:auto;
}
.nav-toggle-input:checked ~ .drawer{display:block;}
.drawer-group{margin-bottom:20px;}
.drawer-group h5{font-size:13px;font-weight:600;color:var(--c-text-3);margin-bottom:10px;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;color:var(--c-text);border:1px solid var(--c-line);margin-bottom:8px;
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{border-color:var(--c-primary);background:var(--c-primary-l);color:var(--c-primary);}
.drawer .drawer-cta{margin-top:8px;width:100%;}

@media (max-width:1279px){
  .brand-badge{display:none;}
  .nav-link{padding:0 10px;font-size:14px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .mega{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,44,.24);}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;box-shadow:0 10px 22px rgba(226,85,26,.28);}
.btn-secondary{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-ghost{background:#fff;color:var(--c-text-2);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.link-arrow::after{content:"→";transition:transform var(--t);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1.4;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary);
}
.badge--teal{background:var(--c-teal-l);color:var(--c-teal);}
.badge--accent{background:#FFF0E8;color:var(--c-accent-d);}
.badge--muted{background:#F1F4F9;color:var(--c-text-2);}

/* ================= 面包屑 ================= */
.breadcrumb{padding:20px 0 0;font-size:14px;color:var(--c-text-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li:not(:last-child)::after{content:"/";color:#C6D0DE;}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb [aria-current="page"]{color:var(--c-text);font-weight:600;}

/* ================= Hero ================= */
.page-hero{padding:28px 0 0;}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:#fff;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.15fr .85fr;
  min-height:320px;
}
.hero-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);z-index:2;}
.hero-copy{padding:48px 48px 44px 52px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.hero-copy .badge{align-self:flex-start;}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,44px);font-weight:700;line-height:1.25;letter-spacing:-.02em;
}
.hero-copy h1 em{font-style:normal;color:var(--c-primary-d);}
.hero-copy p.lead{font-size:17px;color:var(--c-text-2);max-width:38em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}
.hero-media{position:relative;min-height:260px;background:var(--c-primary-l);}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-media .media-tag{
  position:absolute;left:16px;top:16px;
  background:rgba(255,255,255,.94);color:var(--c-primary-d);
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.hero-media .media-note{
  position:absolute;right:16px;bottom:16px;
  background:rgba(15,27,45,.78);color:#fff;
  font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
}
@media (max-width:1023px){
  .hero-card{grid-template-columns:1fr;}
  .hero-media{min-height:200px;order:-1;}
  .hero-copy{padding:32px 28px 36px;}
}
@media (max-width:520px){
  .hero-copy{padding:28px 20px 32px;}
  .hero-actions .btn{width:100%;}
}

/* ================= 数据指标 ================= */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:28px;
}
.metric{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.metric strong{
  display:block;font-size:26px;font-weight:700;color:var(--c-primary-d);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric span{display:block;font-size:13px;color:var(--c-text-3);margin-top:4px;}
@media (max-width:1023px){.metrics{grid-template-columns:repeat(2,1fr);gap:16px;}}
@media (max-width:520px){.metrics{grid-template-columns:1fr;}}

/* ================= 主区：对照表 + 要点列表 ================= */
.compare-layout{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:32px;align-items:start;
}
@media (max-width:1023px){.compare-layout{grid-template-columns:1fr;gap:24px;}}

.panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.panel-head{
  padding:20px 24px;border-bottom:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.panel-head h3{font-size:20px;font-weight:600;}
.panel-head p{font-size:13px;color:var(--c-text-3);}
.panel-body{padding:0 24px 12px;}

.cmp-wrap{overflow-x:auto;}
.cmp-table{min-width:100%;font-size:15px;}
.cmp-table thead th{
  position:sticky;top:var(--header-h);z-index:3;
  background:#F1F5FC;color:var(--c-text-2);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  text-align:left;padding:14px 16px;border-bottom:1px solid var(--c-line);
  white-space:nowrap;
}
.cmp-table thead th:first-child{border-top-left-radius:0;}
.cmp-table tbody td{
  padding:16px;border-bottom:1px solid var(--c-line);
  vertical-align:middle;color:var(--c-text-2);
}
.cmp-table tbody tr:nth-child(odd) td{background:#FCFDFF;}
.cmp-table tbody tr:hover td{background:var(--c-primary-l);}
.cmp-table tbody td:first-child{color:var(--c-text);font-weight:600;}
.cmp-table tr.group-row td{
  background:#F6F8FC !important;color:var(--c-primary-d);
  font-size:13px;font-weight:700;letter-spacing:.04em;padding:10px 16px;
}
.cmp-table .col-mark{text-align:center;}
.mark-yes{color:var(--c-teal);font-weight:700;font-variant-numeric:tabular-nums;}
.mark-no{color:#C6D0DE;font-weight:700;}
.mark-text{color:var(--c-text-2);font-size:14px;}

@media (max-width:767px){
  .cmp-wrap{overflow-x:visible;}
  .cmp-table{min-width:0;}
  .cmp-table thead{display:none;}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table tr{
    border:1px solid var(--c-line);border-radius:var(--r-card);
    margin-bottom:16px;padding:4px 14px;background:#fff;
  }
  .cmp-table tbody tr:nth-child(odd) td{background:transparent;}
  .cmp-table tbody tr:hover td{background:transparent;}
  .cmp-table tr.group-row{
    border:0;border-radius:0;padding:0 0 8px;margin-bottom:8px;
    background:transparent;
  }
  .cmp-table tr.group-row td{background:transparent !important;padding:6px 0;}
  .cmp-table td{
    display:flex;justify-content:space-between;gap:14px;
    padding:12px 0;border-bottom:1px dashed var(--c-line);
    text-align:right;font-size:14px;
  }
  .cmp-table td:last-child{border-bottom:0;}
  .cmp-table td::before{
    content:attr(data-label);
    color:var(--c-text-3);font-weight:600;text-align:left;flex-shrink:0;
  }
  .cmp-table td:first-child{
    font-size:15px;color:var(--c-text);
  }
}

.panel-foot{
  padding:16px 24px 20px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-text-3);
}

/* 右侧要点列表 */
.side-list{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;
}
.side-list > h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.side-list > p.side-sub{font-size:13px;color:var(--c-text-3);margin-bottom:18px;}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--c-line);
}
.check-list li:first-child{border-top:0;padding-top:0;}
.tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--c-teal-l);color:var(--c-teal);
  display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:3px;
}
.tick--warn{background:#FDECEC;color:var(--c-warn);}
.check-list strong{display:block;font-size:15px;font-weight:600;color:var(--c-text);}
.check-list span{display:block;font-size:13.5px;color:var(--c-text-2);line-height:1.65;margin-top:2px;}
.side-cta{
  margin-top:20px;padding:18px;border-radius:var(--r-card);
  background:var(--c-primary-l);border-left:3px solid var(--c-primary);
}
.side-cta strong{display:block;font-size:15px;color:var(--c-primary-d);margin-bottom:6px;}
.side-cta p{font-size:13.5px;color:var(--c-text-2);margin-bottom:12px;}

/* ================= 权益卡（不对称双列） ================= */
.rights-grid{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:24px;
}
@media (max-width:900px){.rights-grid{grid-template-columns:1fr;}}
.right-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:28px;
  display:flex;flex-direction:column;gap:16px;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.right-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-l);}
.right-card--accent{
  border-color:#FFD9C6;
  background:linear-gradient(180deg,#FFF8F4 0%,#FFFFFF 60%);
}
.right-card h3{font-size:20px;font-weight:600;}
.right-card .right-desc{font-size:14.5px;color:var(--c-text-2);}
.right-card .right-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-top:1px dashed var(--c-line);
  font-size:14.5px;color:var(--c-text-2);
}
.right-card .right-list li:first-child{border-top:0;}
.right-card .right-list li::before{
  content:"";flex-shrink:0;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);margin-top:10px;
}
.right-card--accent .right-list li::before{background:var(--c-accent);}
.right-card .right-foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}

/* 场景行列表 */
.scene-list{border-top:1px solid var(--c-line);}
.scene-row{
  display:grid;grid-template-columns:220px 1fr auto;
  gap:24px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--c-line);
  transition:background var(--t);
}
.scene-row:hover{background:#FBFCFE;}
.scene-row .scene-label{
  display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:var(--c-text);
}
.scene-num{
  display:inline-grid;place-items:center;
  width:26px;height:26px;border-radius:8px;flex-shrink:0;
  background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.scene-row p{font-size:14.5px;color:var(--c-text-2);}
@media (max-width:900px){
  .scene-row{grid-template-columns:1fr;gap:10px;}
}

/* ================= FAQ ================= */
.faq-list{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--c-text);
  transition:background var(--t),color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FAFCFF;color:var(--c-primary);}
.faq-item[open] summary{color:var(--c-primary);background:#FAFCFF;}
.faq-ico{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--c-primary-l);transition:transform var(--t),background var(--t);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  border-radius:2px;transform:translate(-50%,-50%);
}
.faq-ico::before{width:10px;height:2px;}
.faq-ico::after{width:2px;height:10px;transition:opacity var(--t);}
.faq-item[open] .faq-ico::after{opacity:0;}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--c-text-2);max-width:64em;}
.faq-body p + p{margin-top:10px;}
@media (max-width:520px){
  .faq-item summary{padding:16px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 18px;}
}

/* ================= CTA ================= */
.cta-band{
  background:var(--c-primary);border-radius:var(--r-card);
  padding:44px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.82);font-size:15px;max-width:34em;}
.cta-form{background:#fff;border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-2);}
.cta-form label{display:block;font-size:13px;font-weight:600;color:var(--c-text-2);margin-bottom:6px;}
.cta-form input{
  width:100%;min-height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(30,95,216,.16);
}
.cta-form .field{margin-bottom:14px;}
.cta-form .form-note{font-size:12.5px;color:var(--c-text-3);margin-top:10px;line-height:1.6;}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:28px 22px;gap:24px;}
}

/* ================= 相关分类互链 ================= */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:900px){.related-grid{grid-template-columns:1fr;}}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.related-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-l);}
.related-card strong{font-size:16.5px;color:var(--c-text);}
.related-card span{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.related-card .link-arrow{margin-top:auto;}

/* ================= 页脚 ================= */
.site-footer{
  margin-top:88px;background:#fff;border-top:1px solid var(--c-line);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px;}
.footer-brand strong{font-size:16.5px;}
.site-footer p{font-size:14px;color:var(--c-text-2);line-height:1.75;max-width:34em;}
.site-footer h4{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:14px;}
.site-footer ul li{margin-bottom:9px;font-size:14px;color:var(--c-text-2);}
.site-footer ul a{color:var(--c-text-2);}
.site-footer ul a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{margin-top:56px;padding:40px 0 24px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1E5FD8;
  --c-primary-d:#123C8C;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF6B2C;
  --c-accent-d:#E2551A;
  --c-teal:#12A594;
  --c-teal-l:#E3F6F3;
  --c-warn:#D64545;
  --c-text:#0F1B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8695AA;
  --c-line:#E5EAF2;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.04),0 8px 24px rgba(15,27,45,.06);
  --sh-2:0 2px 4px rgba(15,27,45,.06),0 16px 36px rgba(15,27,45,.10);
  --sp-4:4px;--sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-24:24px;--sp-32:32px;--sp-48:48px;--sp-64:64px;--sp-96:96px;
  --t:160ms ease;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,p,ul,ol,figure,table{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--c-text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,44,.24)}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,44,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(255,107,44,.2)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header:hover{box-shadow:0 4px 18px rgba(15,27,45,.06)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font);
}
.brand-text{font-size:16px;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
.brand-badge{
  font-size:12px;color:var(--c-primary);border:1px solid var(--c-primary-l);
  background:#fff;border-radius:var(--r-pill);padding:2px 9px;font-weight:600;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:8px;font-size:15px;font-weight:500;color:var(--c-text-2);
  position:relative;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-l);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-14px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}

.nav-hot{position:relative}
.nav-hot > .hot-trigger{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;
  border-radius:8px;font-size:15px;font-weight:500;color:var(--c-text-2);
  background:transparent;border:1px solid transparent;cursor:pointer;
}
.nav-hot:hover > .hot-trigger,.nav-hot:focus-within > .hot-trigger{
  color:var(--c-primary);background:var(--c-primary-l);
}
.mega-panel{
  position:absolute;top:calc(100% + 6px);right:0;width:700px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-panel::before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.nav-hot:hover .mega-panel,.nav-hot:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{
  font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.04em;
  margin:0 0 12px;text-transform:none;
}
.mega-list li + li{margin-top:6px}
.mega-list a{
  display:block;font-size:14px;color:var(--c-text-2);padding:6px 10px;border-radius:8px;
}
.mega-list a:hover{background:var(--c-primary-l);color:var(--c-primary)}
.mega-news li + li{margin-top:12px;padding-top:12px;border-top:1px solid var(--c-line)}
.mega-news a{display:block;font-size:14px;color:var(--c-text);line-height:1.55;font-weight:500}
.mega-news a:hover{color:var(--c-primary)}
.mega-news span{display:block;font-size:12px;color:var(--c-text-3);margin-top:4px}
.mega-card{
  display:flex;flex-direction:column;gap:8px;justify-content:center;
  background:var(--c-primary-l);border-radius:var(--r-card);padding:18px;
  border-left:3px solid var(--c-primary);
}
.mega-card strong{font-size:15px;color:var(--c-primary-d)}
.mega-card p{font-size:13px;color:var(--c-text-2);line-height:1.6}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;cursor:pointer;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.5);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;z-index:80;padding:24px 20px;overflow-y:auto;
  transform:translateX(100%);transition:transform 220ms ease;
  box-shadow:-8px 0 32px rgba(15,27,45,.12);
}
.nav-toggle-input:checked ~ .drawer-mask{opacity:1;visibility:visible}
.nav-toggle-input:checked ~ .drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;color:var(--c-text-2);display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-group{margin-bottom:20px}
.drawer-group h5{font-size:13px;color:var(--c-text-3);font-weight:600;margin:0 0 10px}
.drawer-group a{
  display:block;padding:11px 12px;border-radius:var(--r-btn);font-size:15px;
  color:var(--c-text-2);font-weight:500;
}
.drawer-group a:hover{background:var(--c-primary-l);color:var(--c-primary)}
.drawer-group a.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600}

/* ---------- 面包屑 ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--c-line)}
.crumb-inner{display:flex;align-items:center;gap:8px;height:52px;font-size:14px;color:var(--c-text-3);flex-wrap:wrap}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.crumb .sep{color:var(--c-text-3)}
.crumb .current{color:var(--c-text);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{padding:56px 0 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.page-hero h1{
  font-size:clamp(30px,4.4vw,44px);font-weight:700;line-height:1.25;
  letter-spacing:-.02em;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{margin-top:18px;color:var(--c-text-2);font-size:17px;line-height:1.8;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-l);border-radius:var(--r-pill);padding:6px 14px;
}
.chip-teal{color:var(--c-teal);background:var(--c-teal-l)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-2);border:1px solid var(--c-line);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0}
.hero-figure .fig-tag{
  position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);
  color:var(--c-primary-d);font-size:12px;font-weight:600;
  border-radius:var(--r-pill);padding:5px 12px;backdrop-filter:blur(4px);
}
.hero-figure .fig-card{
  position:absolute;right:14px;bottom:14px;background:rgba(255,255,255,.96);
  border-radius:var(--r-btn);padding:10px 14px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:2px;
}
.hero-figure .fig-card strong{font-size:14px;color:var(--c-text)}
.hero-figure .fig-card span{font-size:12px;color:var(--c-text-3)}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-primary-l);border-radius:var(--r-card);
  padding:18px 22px;border-left:3px solid var(--c-primary);
  margin-top:48px;
}
.notice-bar .nb-icon{
  flex-shrink:0;width:36px;height:36px;border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  box-shadow:var(--sh-1);
}
.notice-bar strong{display:block;font-size:15px;color:var(--c-primary-d);margin-bottom:4px}
.notice-bar p{font-size:14px;color:var(--c-text-2);line-height:1.7}

/* ---------- 公告清单 ---------- */
.feed-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:8px;
}
.feed-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;font-size:13px;font-weight:500;
  color:var(--c-text-2);background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:5px 13px;cursor:pointer;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary)}
.tag.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.feed-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.feed-row{
  display:grid;grid-template-columns:96px 1fr 132px;gap:20px;
  padding:20px 24px;border-bottom:1px solid var(--c-line);
  align-items:center;transition:background-color var(--t);
}
.feed-row:last-child{border-bottom:none}
.feed-row:hover{background:#FAFBFE}
.feed-row:hover .feed-title a{color:var(--c-primary-d)}
.feed-badge{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;border-radius:var(--r-pill);
  padding:5px 0;width:88px;color:var(--c-primary);background:var(--c-primary-l);
}
.feed-badge.b-teal{color:var(--c-teal);background:var(--c-teal-l)}
.feed-badge.b-accent{color:var(--c-accent-d);background:#FFF0E8}
.feed-badge.b-gray{color:var(--c-text-2);background:#EEF1F6}
.feed-title{font-size:16px;font-weight:600;line-height:1.55}
.feed-title a{color:var(--c-text)}
.feed-excerpt{margin-top:6px;font-size:14px;color:var(--c-text-2);line-height:1.65}
.feed-date{font-size:13px;color:var(--c-text-3);text-align:right;font-variant-numeric:tabular-nums}
.feed-more{display:flex;justify-content:center;margin-top:28px}

/* ---------- 键值信息表 ---------- */
.kv-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.kv-scroll{overflow-x:auto}
table.kv{width:100%;border-collapse:collapse;min-width:660px}
table.kv thead th{
  position:sticky;top:0;background:#F2F6FD;color:var(--c-text-2);
  font-size:13px;font-weight:600;text-align:left;padding:14px 24px;
  border-bottom:1px solid var(--c-line);letter-spacing:.02em;
}
table.kv td{
  padding:16px 24px;border-bottom:1px solid var(--c-line);
  font-size:14.5px;color:var(--c-text-2);vertical-align:top;line-height:1.7;
}
table.kv tbody tr:nth-child(even){background:#FBFCFE}
table.kv tbody tr:hover{background:var(--c-primary-l)}
table.kv td:first-child{color:var(--c-text);font-weight:600;width:26%}
table.kv td:last-child{color:var(--c-text-3);font-size:13.5px}
.kv-note{padding:14px 24px;font-size:13px;color:var(--c-text-3);background:#FBFCFE;border-top:1px solid var(--c-line)}

/* ---------- 更新节奏时间轴 ---------- */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--c-line)}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:16px;height:16px;
  border-radius:50%;background:#fff;border:3px solid var(--c-primary);
}
.tl-item.done::before{border-color:var(--c-teal);background:var(--c-teal-l)}
.tl-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--sh-1);transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.tl-card:hover{box-shadow:var(--sh-2);border-color:var(--c-primary-l);transform:translateY(-2px)}
.tl-card h3{font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-card h3 span{font-size:12px;font-weight:600;color:var(--c-text-3);background:#F2F6FD;border-radius:var(--r-pill);padding:3px 10px}
.tl-card p{margin-top:8px;font-size:14.5px;color:var(--c-text-2)}

/* ---------- 左图右文不对称 ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.split-figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.mini-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.mini-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.mini-item:hover{box-shadow:var(--sh-2);border-color:var(--c-primary-l);transform:translateY(-2px)}
.mini-item .mi-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--c-primary-l);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.mini-item h4{font-size:15.5px;font-weight:600}
.mini-item p{font-size:14px;color:var(--c-text-2);margin-top:4px}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--c-text);transition:color var(--t),background-color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAFBFE;color:var(--c-primary)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;position:relative;border-radius:50%;
  background:var(--c-primary-l);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform var(--t),opacity var(--t)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--c-text-2);line-height:1.8;max-width:820px}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-primary);color:#fff;padding:64px 0}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;color:#fff}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.82);font-size:15.5px;max-width:560px}
.cta-form{background:#fff;border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2)}
.cta-form label{display:block;font-size:13px;font-weight:600;color:var(--c-text-2);margin-bottom:6px}
.cta-form input{
  width:100%;min-height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;color:var(--c-text);background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:var(--c-text-3)}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,95,216,.15)}
.cta-form .field + .field{margin-top:14px}
.cta-form .btn{margin-top:18px}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--c-text-3);line-height:1.6}
.form-hint a{text-decoration:underline;text-underline-offset:3px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);border-left:3px solid var(--c-primary-l);
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.rel-card:hover{box-shadow:var(--sh-2);border-left-color:var(--c-primary);transform:translateY(-2px)}
.rel-card h3{font-size:17px;font-weight:600;color:var(--c-text)}
.rel-card p{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.rel-card .link-arrow{margin-top:14px;font-size:14px}

/* ---------- 空态 / 加载 ---------- */
.empty-state{
  text-align:center;padding:48px 24px;background:#fff;
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state .es-icon{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;
  background:var(--c-primary-l);display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.empty-state p{color:var(--c-text-2);font-size:14.5px}
.empty-state .btn{margin-top:18px}
.skeleton{height:14px;border-radius:6px;background:linear-gradient(90deg,#EEF1F6 25%,#F7F9FC 37%,#EEF1F6 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B2D;color:#B7C1D1;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--c-primary),#3A7BEA)}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700}
.site-footer p{line-height:1.8;color:#8E9CB2;font-size:14px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{color:#B7C1D1;font-size:14px}
.site-footer ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7B8AA3;font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 20px}
  .main-nav{display:none}
  .nav-hot{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-primary{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .feed-row{grid-template-columns:88px 1fr;row-gap:8px}
  .feed-date{grid-column:2;text-align:left}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 0}
  .hero-actions .btn{width:100%}
  .feed-row{grid-template-columns:1fr;padding:18px 18px}
  .feed-date{grid-column:1}
  .feed-badge{width:auto;padding:5px 12px;justify-self:start}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .notice-bar{padding:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-badge{display:none}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  table.kv td,table.kv thead th{padding:12px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .btn:hover,.rel-card:hover,.tl-card:hover,.mini-item:hover{transform:none}
}