/* roulang page: index */
:root{
  --c-primary:#0B6BCB;
  --c-primary-d:#084C93;
  --c-primary-l:#E8F2FD;
  --c-accent:#FF7A2F;
  --c-accent-d:#E4611A;
  --c-success:#12A67A;
  --c-warn:#F5A524;
  --c-danger:#E5484D;
  --ink:#0F1F30;
  --ink-2:#5B6C7E;
  --ink-3:#8B99A8;
  --line:#E4EBF3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --footer:#0D1B2A;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(16,42,74,.06);
  --sh-2:0 12px 32px rgba(16,42,74,.10);
  --sh-dock:0 8px 28px rgba(16,42,74,.12);
  --t:all .22s cubic-bezier(.2,.7,.3,1);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --num:"Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:112px;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- header dock ---------- */
.site-header{position:sticky;top:0;z-index:80;padding-top:20px;transition:padding .22s cubic-bezier(.2,.7,.3,1);}
.site-header.is-stuck{padding-top:10px;}
.dock{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);padding:10px 14px 10px 20px;
  transition:var(--t);
}
.site-header.is-stuck .dock{background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;line-height:1;}
.brand-name{display:flex;align-items:center;gap:6px;font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.brand-tag{font-size:12px;font-weight:600;line-height:1.5;color:var(--c-primary);background:var(--c-primary-l);border-radius:var(--r-pill);padding:2px 8px;}
.nav{display:flex;align-items:center;gap:2px;margin-inline:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--ink-2);transition:var(--t);}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:22px;height:3px;border-radius:var(--r-pill);background:var(--c-primary);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink-2);display:grid;place-items:center;transition:var(--t);}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink);place-items:center;transition:var(--t);}
.hamburger:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;padding:24px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateX(102%);visibility:hidden;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),visibility .28s;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line);}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px;}
.drawer-link{display:flex;align-items:center;height:52px;font-size:17px;font-weight:500;color:var(--ink-2);border-bottom:1px solid var(--line);transition:var(--t);}
.drawer-link:hover,.drawer-link.is-active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:auto;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-pill);padding:14px 30px;font-size:16px;font-weight:600;line-height:1;white-space:nowrap;transition:var(--t);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(11,107,203,.22);}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);}
.btn-primary:active{background:var(--c-primary);transform:none;}
.btn-primary:disabled{background:#C9D4E0;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);transform:translateY(-1px);}
.btn-outline:active{transform:none;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-d);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:14px 4px;}
.btn-ghost .arrow{display:inline-block;transition:transform .22s cubic-bezier(.2,.7,.3,1);}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.badge{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6;background:var(--c-primary-l);color:var(--c-primary);}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-outline{background:#fff;border:1px solid var(--c-accent);color:var(--c-accent);}
.pill{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;line-height:1.6;}

/* ---------- hero ---------- */
.hero{padding:52px 0 84px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;letter-spacing:-.01em;margin-top:22px;}
.hero-sub{font-size:clamp(17px,1.6vw,20px);line-height:1.7;color:var(--ink-2);margin-top:20px;max-width:34ch;}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;}
.hero-stats li{display:flex;flex-direction:column;gap:4px;}
.hero-stats strong{font-family:var(--num);font-size:28px;font-weight:700;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:12px;color:var(--ink-2);letter-spacing:.02em;line-height:1.6;}
.hero-visual{position:relative;}
.hero-visual > img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-panel);box-shadow:var(--sh-2);}
.float-card{position:absolute;right:16px;bottom:16px;display:flex;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:16px 20px;}
.float-card div{display:flex;flex-direction:column;gap:2px;}
.float-card strong{font-family:var(--num);font-size:20px;font-weight:700;line-height:1.2;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.float-card span{font-size:12px;color:var(--ink-2);line-height:1.5;}

/* ---------- trust ---------- */
.trust{background:#F5F8FC;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-ico{flex:none;width:42px;height:42px;border-radius:14px;background:var(--c-primary-l);color:var(--c-primary);display:grid;place-items:center;}
.trust-item strong{display:block;font-size:16px;font-weight:600;line-height:1.6;}
.trust-item span{display:block;font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section--tint{background:#F5F8FC;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-top:16px;}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- ladder ---------- */
.ladder{display:flex;flex-direction:column;}
.ladder-item{position:relative;display:grid;grid-template-columns:64px 1fr;gap:24px;padding-bottom:28px;}
.ladder-item:last-child{padding-bottom:0;}
.ladder-item::before{content:"";position:absolute;left:31px;top:68px;bottom:0;border-left:2px dashed var(--line);}
.ladder-item:last-child::before{display:none;}
.ladder-dot{width:64px;height:64px;border-radius:var(--r-pill);background:#fff;border:2px solid var(--line);display:grid;place-items:center;font-family:var(--num);font-size:20px;font-weight:700;color:var(--ink-3);}
.ladder-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:28px 30px;transition:var(--t);}
.ladder-body:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.ladder-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.ladder-head h3{font-size:20px;font-weight:600;line-height:1.4;}
.ladder-note{font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:12px;max-width:70ch;}
.ladder-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 24px;margin-top:20px;}
.ladder-list li{position:relative;padding-left:14px;font-size:15px;color:var(--ink-2);line-height:1.75;}
.ladder-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.ladder-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;}
.ladder-item--hot .ladder-dot{border-color:var(--c-primary);background:var(--c-primary);color:#fff;}
.ladder-item--hot .ladder-body{background:#F5FAFF;border-color:#BEDCFA;}

/* ---------- plan table ---------- */
.plan-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch;}
.plan-table{width:100%;min-width:800px;border-collapse:collapse;}
.plan-table th,.plan-table td{padding:18px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle;}
.plan-table tbody tr:last-child th,.plan-table tbody tr:last-child td{border-bottom:none;}
.plan-table thead th{vertical-align:top;font-weight:600;background:#fff;padding-top:24px;}
.plan-table thead th:first-child{font-size:14px;color:var(--ink-3);font-weight:500;padding-top:28px;}
.plan-table tbody th{font-weight:500;color:var(--ink-2);font-size:14px;background:#fff;}
.plan-table td{color:var(--ink-2);}
.plan-col--rec{background:#F5FAFF;border-top:4px solid var(--c-primary);}
.plan-table tbody td.plan-col--rec{color:var(--ink);font-weight:500;background:#F5FAFF;}
.plan-name{font-size:17px;font-weight:700;color:var(--ink);display:block;margin-bottom:8px;}
.plan-price{display:flex;align-items:baseline;gap:4px;margin:6px 0 16px;}
.plan-price b{font-family:var(--num);font-size:30px;font-weight:700;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums;}
.plan-price i{font-style:normal;font-size:13px;color:var(--ink-2);}
.plan-scroll-hint{display:none;font-size:13px;color:var(--ink-3);margin-top:10px;}

/* ---------- countdown ---------- */
.countdown{
  position:relative;border-radius:var(--r-panel);padding:38px 40px;color:#fff;overflow:hidden;
  background-image:linear-gradient(rgba(8,76,147,.94),rgba(8,76,147,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cd-copy{flex:1 1 280px;}
.cd-copy h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;}
.cd-copy p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);margin-top:10px;max-width:52ch;}
.cd-timer{display:flex;gap:10px;}
.cd-block{width:66px;padding:10px 0;background:#fff;border-radius:var(--r-img);text-align:center;color:var(--c-primary-d);}
.cd-block b{display:block;font-family:var(--num);font-size:24px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;}
.cd-block span{display:block;font-size:11px;color:var(--ink-3);line-height:1.6;}
.cd-bar{flex:1 1 100%;display:flex;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.78);}
.cd-track{flex:1;height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.22);overflow:hidden;}
.cd-fill{height:100%;width:68%;border-radius:var(--r-pill);background:var(--c-accent);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:var(--t);}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/9;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;gap:12px;padding:22px;flex:1;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--c-primary);}
.news-excerpt{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:13px;color:var(--ink-3);}
.news-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-panel);}
.news-empty svg{color:var(--c-primary);opacity:.7;}
.news-empty p{font-size:15px;color:var(--ink-2);}
@media (min-width:992px){
  .news-card--lead{grid-column:span 2;flex-direction:row;align-items:stretch;}
  .news-card--lead .news-thumb{flex:0 0 44%;aspect-ratio:auto;min-height:100%;}
  .news-card--lead .news-body{padding:28px;}
  .news-card--lead .news-title{font-size:22px;-webkit-line-clamp:3;}
  .news-card--lead .news-excerpt{-webkit-line-clamp:3;font-size:15px;}
}

/* ---------- category entries ---------- */
.cat-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.cat-card{position:relative;display:flex;flex-direction:column;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-1);padding:36px;overflow:hidden;transition:var(--t);}
.cat-card:hover{transform:translateY(-3px);border-color:#BEDCFA;box-shadow:var(--sh-2);}
.cat-card h3{font-size:22px;font-weight:700;line-height:1.4;}
.cat-card p{font-size:15px;line-height:1.8;color:var(--ink-2);}
.cat-count{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--c-accent);background:#FFF1E7;border-radius:var(--r-pill);padding:4px 12px;}
.cat-card .btn-ghost{margin-top:auto;align-self:flex-start;}
.cat-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/7;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.cat-card:hover .cat-thumb img{transform:scale(1.03);}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:var(--t);}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;line-height:1.6;cursor:pointer;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";flex:none;font-family:var(--num);font-size:22px;line-height:1;color:var(--c-primary);}
.faq-item[open]{background:var(--c-primary-l);border-color:#BEDCFA;}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- consult ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-1);padding:32px;}
.feedback{display:none;margin-bottom:20px;padding:14px 18px;border-radius:var(--r-input);border-left:4px solid transparent;font-size:14px;line-height:1.7;}
.feedback.is-ok{display:block;background:#E9F8F2;border-color:var(--c-success);color:#0B7A59;}
.feedback.is-err{display:block;background:#FDECEC;border-color:var(--c-danger);color:#B3261E;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;transition:var(--t);font-size:15px;color:var(--ink);}
.field input,.field select{height:48px;padding:0 14px;}
.field textarea{min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,107,203,.12);}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--c-danger);}
.field-err{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;}
.field.is-error .field-err{display:block;}
.field-hint{font-size:12px;color:var(--ink-3);text-align:right;margin-top:6px;font-variant-numeric:tabular-nums;}
.guard-list{display:grid;gap:18px;}
.guard-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);}
.guard-ico{flex:none;width:42px;height:42px;border-radius:14px;background:var(--c-primary-l);color:var(--c-primary);display:grid;place-items:center;}
.guard-item strong{display:block;font-size:16px;font-weight:600;line-height:1.6;}
.guard-item span{display:block;font-size:14px;line-height:1.75;color:var(--ink-2);}
.guard-figure{margin-top:18px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);}
.guard-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- footer ---------- */
.site-footer{background:var(--footer);color:rgba(255,255,255,.7);font-size:14px;padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{background:rgba(11,107,203,.22);color:#9FCBF8;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:12px;}
.footer-links a{display:block;padding:9px 0;color:rgba(255,255,255,.7);transition:var(--t);}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-links li{font-size:14px;}
.footer-info li{padding:9px 0;color:rgba(255,255,255,.7);}
.footer-info strong{color:#fff;font-weight:600;}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .hero-grid{gap:40px;}
  .ladder-list{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .hero{padding:36px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:1fr;}
  .consult-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:899px){
  .nav{display:none;}
  .hamburger{display:grid;}
  .dock{padding:10px 12px 10px 16px;gap:12px;}
  .site-header{padding-top:12px;}
  .site-header.is-stuck{padding-top:8px;}
  .plan-scroll-hint{display:block;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hero h1{font-size:clamp(28px,7.4vw,34px);}
  .hero-stats{gap:28px;}
  .news-grid{grid-template-columns:1fr;}
  .ladder-item{grid-template-columns:48px 1fr;gap:16px;}
  .ladder-dot{width:48px;height:48px;font-size:17px;}
  .ladder-item::before{left:23px;top:52px;}
  .ladder-body{padding:22px;}
  .ladder-list{grid-template-columns:1fr;}
  .countdown{padding:28px 24px;}
  .cd-block{width:58px;}
  .cd-block b{font-size:20px;}
  .float-card{right:12px;bottom:12px;gap:16px;padding:12px 16px;}
  .float-card strong{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:56px;}
  .form-card{padding:24px;}
  .btn{padding:13px 24px;font-size:15px;}
  .btn-ghost{padding:13px 0;}
}
@media (max-width:420px){
  .container{padding:0 18px;}
  .hero-stats strong{font-size:24px;}
  .btn{width:100%;}
  .btn-ghost{width:auto;}
  .cd-timer{gap:8px;}
  .cd-block{width:52px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .news-card:hover,.ladder-body:hover,.cat-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: article */
:root{
  --c-primary:#0B6BCB;
  --c-primary-d:#084C93;
  --c-primary-l:#E8F2FD;
  --c-accent:#FF7A2F;
  --c-ok:#12A67A;
  --c-warn:#F5A524;
  --c-err:#E5484D;
  --c-text:#0F1F30;
  --c-text-2:#5B6C7E;
  --c-text-3:#8B99A8;
  --c-line:#E4EBF3;
  --c-bg:#F5F8FC;
  --c-card:#FFFFFF;
  --c-footer:#0D1B2A;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,42,74,.06);
  --sh-2:0 12px 32px rgba(16,42,74,.10);
  --sh-dock:0 8px 28px rgba(16,42,74,.12);
  --t:all .22s cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:var(--t)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700}
p{margin:0}
ul,ol{margin:0}
::selection{background:var(--c-primary-l);color:var(--c-primary-d)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-inline:24px}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding-top:20px;transition:padding-top .22s cubic-bezier(.2,.7,.3,1)}
.site-header.is-stuck{padding-top:10px}
.dock-wrap{position:relative}
.dock{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  padding:10px 12px 10px 16px;
  transition:var(--t);
}
.site-header.is-stuck .dock{background:rgba(255,255,255,.86);backdrop-filter:blur(14px);padding:8px 10px 8px 14px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;flex-shrink:0;
}
.brand-text{font-size:18px;font-weight:700;color:var(--c-text);display:flex;align-items:center;gap:6px;white-space:nowrap}
.brand-tag{
  font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--c-primary-l);color:var(--c-primary-d);
  border-radius:var(--r-pill);padding:3px 9px;line-height:1;white-space:nowrap;
}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:9px 14px;border-radius:var(--r-pill);white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:99px;background:var(--c-primary);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--c-text-2);border:1px solid var(--c-line);background:#fff;transition:var(--t);
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.menu-toggle{display:none}
.dock-search{
  position:absolute;top:calc(100% + 10px);right:0;left:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:12px;
}
.dock-search[hidden]{display:none}
.search-form{display:flex;gap:10px}
.search-form input{
  flex:1;height:46px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;background:#fff;transition:var(--t);
}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,107,203,.12)}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;padding:20px 24px 32px;
  display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .26s cubic-bezier(.2,.7,.3,1);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;font-size:17px;font-weight:500;
  color:var(--c-text);border-bottom:1px solid var(--c-line);
}
.drawer-link.is-active{color:var(--c-primary);font-weight:600}
.drawer-cta{margin-top:auto}
body.is-locked{overflow:hidden}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:13px 28px;
  border:1px solid transparent;transition:var(--t);cursor:pointer;text-align:center;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 10px 22px rgba(11,107,203,.24)}
.btn-primary:active{background:var(--c-primary);transform:none;box-shadow:none}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-l);transform:translateY(-1px)}
.btn-outline:active{transform:none}
.btn-ghost{color:var(--c-primary);padding:8px 4px;font-size:15px;font-weight:600}
.btn-ghost span{transition:var(--t)}
.btn-ghost:hover span{transform:translateX(3px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{background:#C9D4E0;color:#fff;border-color:#C9D4E0;cursor:not-allowed;transform:none;box-shadow:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary-d)}
.badge-accent{background:var(--c-accent);color:#fff}
.badge-line{background:#fff;color:var(--c-accent);border:1px solid var(--c-accent)}

/* ---------- 文章头部 ---------- */
.post-head{padding:44px 0 34px;background:#fff;border-bottom:1px solid var(--c-line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C7D3E0}
.breadcrumb .current{color:var(--c-text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-title{
  font-size:clamp(26px,3.2vw,40px);line-height:1.28;font-weight:700;
  max-width:900px;margin:14px 0 18px;letter-spacing:-.01em;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-text-2)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7D3E0}

/* ---------- 文章布局 ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;
  align-items:start;padding-top:44px;padding-bottom:24px;
}
.article-main{max-width:800px;width:100%;min-width:0}
.feature-img{margin:0 0 30px;border-radius:var(--r-sm);overflow:hidden;background:#E9EFF6;aspect-ratio:16/9}
.feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.feature-img:hover img{transform:scale(1.03)}
.figure-cap{display:block;font-size:13px;color:var(--c-text-3);margin-top:10px;text-align:center}

.toc-mobile{display:none;margin-bottom:22px;border:1px solid var(--c-line);border-radius:var(--r-sm);background:#fff;overflow:hidden}
.toc-mobile summary{
  list-style:none;cursor:pointer;padding:14px 18px;font-size:15px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;color:var(--c-primary-d);
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";font-size:18px;color:var(--c-primary);transition:var(--t)}
.toc-mobile[open] summary::after{content:"−"}
.toc-mobile .toc-list{padding:0 18px 16px}

.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body > * + *{margin-top:1.6em}
.article-body p{margin:0}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);line-height:1.45;margin:2.1em 0 0;
  padding-left:12px;border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:20px;margin:1.9em 0 0;color:var(--c-primary-d)}
.article-body ul,.article-body ol{padding-left:24px}
.article-body li + li{margin-top:10px}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;background:var(--c-primary-l);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-weight:600;color:var(--c-primary-d);
}
.article-body blockquote p + p{margin-top:.8em}
.article-body img{border-radius:var(--r-sm);margin-inline:auto}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(11,107,203,.35)}
.article-body a:hover{color:var(--c-primary-d);border-bottom-color:var(--c-primary-d)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600}
.article-body strong{font-weight:700}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag{
  display:inline-block;font-size:13px;color:var(--c-text-2);background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 14px;transition:var(--t);
}
.tag:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.post-nav-item{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);transition:var(--t);
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3E2F4}
.post-nav-item .pn-label{display:block;font-size:13px;color:var(--c-text-3);margin-bottom:8px}
.post-nav-item .pn-title{
  display:block;font-size:16px;font-weight:600;line-height:1.5;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.post-nav-item:hover .pn-title{color:var(--c-primary)}
.post-nav-item.pn-next{text-align:right}

.section-block{margin-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(20px,2.2vw,24px)}
.section-head p{font-size:14px;color:var(--c-text-2);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#E9EFF6}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.5}
.card:hover .card-title{color:var(--c-primary)}
.card-desc{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:8px}

.article-cta{
  margin-top:46px;background:var(--c-primary-l);border-radius:var(--r-lg);
  padding:30px 32px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.article-cta h3{font-size:20px;color:var(--c-primary-d)}
.article-cta p{font-size:15px;color:var(--c-text-2);margin-top:8px}
.article-cta .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:104px;display:grid;gap:22px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;letter-spacing:.02em;color:var(--c-text-3);font-weight:600;margin-bottom:14px}
.toc-list{list-style:none;padding:0;display:grid;gap:2px}
.toc-list a{
  display:block;font-size:14px;line-height:1.55;color:var(--c-text-2);
  padding:8px 12px;border-left:2px solid var(--c-line);transition:var(--t);
}
.toc-list a:hover{color:var(--c-primary);background:var(--c-primary-l)}
.toc-list a.is-active{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600;background:var(--c-primary-l)}
.side-cta{background:var(--c-footer);color:rgba(255,255,255,.78);border-radius:var(--r-md);padding:24px}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px}
.side-cta p{font-size:14px;line-height:1.75;margin-bottom:18px}
.side-cta .btn{background:#fff;color:var(--c-footer)}
.side-cta .btn:hover{background:var(--c-accent);color:#fff}
.side-list{list-style:none;padding:0;display:grid;gap:12px}
.side-list a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-text-2);line-height:1.6}
.side-list a:hover{color:var(--c-primary)}
.side-list .idx{color:var(--c-primary);font-weight:700;font-size:13px;font-family:Inter,system-ui,sans-serif}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed #CBD8E6;border-radius:var(--r-md);
  padding:64px 28px;text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--c-primary);fill:none;stroke-width:1.5;margin:0 auto 18px}
.empty-state .empty-title{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:22px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);transition:var(--t)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--c-primary);flex-shrink:0;transition:var(--t);
}
.faq-item[open]{background:var(--c-primary-l);border-color:#CFE2F8}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{margin-top:64px}
.cta-band-inner{
  background:var(--c-footer);border-radius:var(--r-lg);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band-inner::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(11,107,203,.45),rgba(11,107,203,0));
}
.cta-band-inner h2{color:#fff;font-size:clamp(20px,2.4vw,26px);position:relative}
.cta-band-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:560px;position:relative}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#E8681F;transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-light:hover{background:rgba(255,255,255,.2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.7);padding:64px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;gap:6px}
.footer-brand .brand-tag{font-size:12px;font-weight:600;background:rgba(255,255,255,.14);color:#fff;border-radius:var(--r-pill);padding:3px 9px;line-height:1}
.footer-desc{font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links,.footer-info{list-style:none;padding:0;display:grid;gap:11px;font-size:14px}
.footer-links a{display:inline-flex;align-items:center;min-height:24px}
.footer-links a:hover{color:#fff}
.footer-info li{line-height:1.7}
.footer-info strong{color:rgba(255,255,255,.92);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);color:var(--c-primary);
  display:grid;place-items:center;opacity:0;pointer-events:none;transition:var(--t);z-index:40;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 268px;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:0}
  .article-main{max-width:100%}
  .article-side{display:none}
  .toc-mobile{display:block}
  .toc-mobile .toc-list{display:grid;gap:0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:899px){
  .nav{display:none}
  .menu-toggle{display:grid}
  .dock{border-radius:var(--r-lg);padding:10px 14px}
  .dock-actions .btn{display:none}
  .post-head{padding:30px 0 26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding-inline:18px}
  .dock-search{left:0;right:0}
  .article-wrap{padding-top:28px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.pn-next{text-align:left}
  .card-grid{grid-template-columns:1fr}
  .article-cta{padding:24px}
  .cta-band-inner{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .section-block{margin-top:44px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .brand-text{font-size:16px}
  .post-title{font-size:24px}
  .article-body{font-size:16px}
  .btn{padding:12px 22px;font-size:15px}
  .article-cta .cta-actions .btn,.cta-band-actions .btn{width:100%}
  .article-cta .cta-actions,.cta-band-actions{width:100%}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-item .faq-answer{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#0B6BCB;
  --c-primary-d:#084C93;
  --c-primary-l:#E8F2FD;
  --c-accent:#FF7A2F;
  --c-ok:#12A67A;
  --c-warn:#F5A524;
  --c-err:#E5484D;
  --t-1:#0F1F30;
  --t-2:#5B6C7E;
  --t-3:#8B99A8;
  --line:#E4EBF3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --dark:#0D1B2A;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,42,74,.06);
  --sh-2:0 12px 32px rgba(16,42,74,.10);
  --sh-dock:0 8px 28px rgba(16,42,74,.12);
  --tr:all .22s cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:var(--tr);}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--t-1);}
p{margin:0 0 1.6em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 顶部 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;padding:16px 0 6px;}
.dock{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 14px 10px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:var(--tr);
}
.dock.is-scrolled{padding:6px 12px 6px 16px;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  letter-spacing:0;
}
.brand-name{font-size:18px;font-weight:700;color:var(--t-1);display:flex;align-items:center;gap:8px;white-space:nowrap;}
.brand-tag{
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
  padding:5px 9px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary-d);
}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;
  font-weight:500;color:var(--t-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);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:var(--r-pill);background:var(--c-primary);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--t-2);cursor:pointer;transition:var(--tr);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.burger{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;transition:var(--tr);text-align:center;line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);}
.btn-primary:active{background:var(--c-primary);transform:none;}
.btn-primary:disabled{background:#C9D4E0;cursor:not-allowed;transform:none;}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-ghost{padding:10px 4px;background:transparent;color:var(--c-primary);font-weight:600;}
.btn-ghost .arrow{display:inline-block;transition:var(--tr);}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#E96A1F;color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-block{width:100%;}
.dock .btn{padding:11px 22px;font-size:15px;}

/* 移动抽屉 */
.drawer{
  display:none;position:fixed;inset:0;z-index:120;background:#fff;
  padding:24px;flex-direction:column;gap:6px;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer .nav-link{padding:14px 16px;font-size:17px;min-height:48px;display:flex;align-items:center;border-radius:12px;}
.drawer .nav-link.is-active{background:var(--c-primary-l);}
.drawer .nav-link.is-active::after{display:none;}
.drawer-cta{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  min-height:240px;display:flex;align-items:flex-end;
  margin-top:18px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,76,147,.88) 0%,rgba(11,107,203,.72) 52%,rgba(11,107,203,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:44px 40px;color:#fff;max-width:840px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.32);
  margin-bottom:16px;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-.01em;
}
.page-hero .lede{
  margin:16px 0 0;color:rgba(255,255,255,.9);font-size:17px;line-height:1.8;max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

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

/* ---------- 数据带 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:24px;padding:28px 32px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-panel);box-shadow:var(--sh-1);
}
.stat{display:flex;gap:14px;align-items:flex-start;}
.stat-num{
  font-family:Inter,system-ui,sans-serif;font-size:28px;font-weight:700;color:var(--c-primary);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:var(--t-2);line-height:1.65;}
.stat-label strong{display:block;font-size:15px;color:var(--t-1);margin-bottom:2px;}

/* ---------- 板块通用 ---------- */
.section{padding-block:88px;}
.section-alt{background:#fff;border-block:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .label{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary-d);
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);}
.section-head p{margin-top:14px;color:var(--t-2);font-size:16px;line-height:1.85;}

/* ---------- 内容区：侧锚点 + 条目 ---------- */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start;}
.anchor-nav{
  position:sticky;top:104px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
}
.anchor-nav h3{font-size:14px;color:var(--t-3);font-weight:600;letter-spacing:.04em;margin-bottom:12px;}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:10px;font-size:15px;color:var(--t-2);
  border-left:3px solid transparent;
}
.anchor-nav a:hover{background:var(--bg);color:var(--c-primary);border-left-color:var(--c-primary);}
.anchor-nav .contact-mini{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--t-2);
}
.anchor-nav .contact-mini a{display:inline;padding:0;border-left:0;font-weight:600;}
.anchor-nav .contact-mini a:hover{background:none;}

.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px;}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:var(--tr);display:flex;flex-direction:column;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.entry-card.stagger{margin-top:32px;}
.entry-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:var(--tr);}
.entry-card:hover .entry-media img{transform:scale(1.03);}
.entry-index{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--c-primary-d);
  font-family:Inter,system-ui,sans-serif;font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:5px 11px;border-radius:var(--r-pill);
}
.entry-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.entry-body h3{font-size:20px;line-height:1.4;}
.entry-body p{font-size:15px;line-height:1.8;color:var(--t-2);margin:0;}
.point-list{display:flex;flex-direction:column;gap:9px;margin:0;}
.point-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--t-1);line-height:1.7;}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.entry-link{margin-top:auto;font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.entry-link .arrow{transition:var(--tr);}
.entry-card:hover .entry-link .arrow{transform:translateX(3px);}

/* ---------- 检查清单（双栏） ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.check-panel.highlight{background:#F5FAFF;border-color:#C9E0F8;}
.check-panel h3{font-size:19px;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.check-panel h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--c-primary);flex-shrink:0;}
.check-panel .sub{font-size:14px;color:var(--t-2);margin-bottom:18px;}
.check-panel ol{counter-reset:step;display:flex;flex-direction:column;gap:14px;}
.check-panel ol li{
  counter-increment:step;position:relative;padding-left:40px;font-size:15px;color:var(--t-1);line-height:1.75;
}
.check-panel ol li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:1px;font-family:Inter,system-ui,sans-serif;
  font-size:13px;font-weight:700;color:var(--c-primary);background:var(--c-primary-l);
  width:28px;height:28px;border-radius:9px;display:flex;align-items:center;justify-content:center;
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:var(--tr);
}
.faq details[open]{background:var(--c-primary-l);border-color:#C9E0F8;}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 24px;font-size:17px;font-weight:600;color:var(--t-1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .plus{
  font-family:Inter,system-ui,sans-serif;font-size:22px;font-weight:400;color:var(--c-primary);
  flex-shrink:0;transition:var(--tr);line-height:1;
}
.faq details[open] summary .plus{transform:rotate(45deg);}
.faq .faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-2);max-width:760px;}

/* ---------- 导流卡 ---------- */
.direct{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  background:linear-gradient(120deg,#0B6BCB 0%,#084C93 100%);
  border-radius:var(--r-panel);padding:36px 40px;color:#fff;box-shadow:var(--sh-2);
}
.direct h2{color:#fff;font-size:clamp(22px,2.3vw,28px);}
.direct p{color:rgba(255,255,255,.86);font-size:15.5px;margin:12px 0 0;max-width:640px;}
.direct .count{
  display:inline-block;margin-top:16px;font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.18);color:#fff;
}
.direct .btn-accent{white-space:nowrap;}

/* ---------- 咨询表单 ---------- */
.contact-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;align-items:start;
}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);padding:32px;box-shadow:var(--sh-1);}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:8px;}
.field .req{color:var(--c-err);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--t-1);
  background:#fff;border:1px solid var(--line);border-radius:12px;transition:var(--tr);
}
.field input,.field select{height:48px;}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,107,203,.12);
}
.field.has-error input,.field.has-error select{border-color:var(--c-err);}
.field .err-msg{display:none;margin-top:6px;font-size:13px;color:var(--c-err);}
.field.has-error .err-msg{display:block;}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--t-3);}
.form-alert{
  display:none;margin-bottom:22px;padding:14px 18px;border-radius:12px;font-size:14.5px;
  border-left:4px solid var(--c-ok);background:#EAF8F3;color:#0B6B51;
}
.form-alert.is-error{border-left-color:var(--c-err);background:#FDEDEE;color:#9B2B2F;}
.form-alert.is-visible{display:block;}
.spinner{
  width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.side-notes{display:flex;flex-direction:column;gap:18px;}
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);}
.note-card h3{font-size:16px;margin-bottom:8px;}
.note-card p{font-size:14.5px;color:var(--t-2);margin:0;line-height:1.8;}
.note-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);}
.note-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary);color:#fff;}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px;}
.footer-brand .brand-tag{background:rgba(255,255,255,.12);color:#fff;}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{
  display:flex;align-items:center;min-height:44px;color:rgba(255,255,255,.7);font-size:14.5px;
}
.footer-links a:hover{color:#fff;}
.footer-info{display:flex;flex-direction:column;gap:14px;font-size:14.5px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-info strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:210px minmax(0,1fr);gap:32px;}
}
@media (max-width:991px){
  .section{padding-block:64px;}
  .layout{grid-template-columns:1fr;}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:16px;}
  .anchor-nav h3{width:100%;margin-bottom:4px;}
  .anchor-nav a{border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px;font-size:14px;}
  .anchor-nav .contact-mini{width:100%;margin-top:8px;padding-top:12px;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-card.stagger{margin-top:24px;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:900px){
  .nav{display:none;}
  .burger{display:flex;}
  .dock-actions .btn{display:none;}
  .dock{padding:8px 10px 8px 14px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding-block:56px;}
  .page-hero{border-radius:16px;min-height:210px;}
  .page-hero-inner{padding:30px 22px;}
  .page-hero .lede{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .stats{grid-template-columns:1fr;gap:18px;padding:22px;margin-top:20px;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-card.stagger{margin-top:0;}
  .check-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .direct{grid-template-columns:1fr;padding:28px 22px;}
  .direct .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:420px){
  .container{padding-inline:16px;}
  .btn{padding:13px 22px;font-size:15px;}
  .brand-name{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0B6BCB;
  --c-primary-d:#084C93;
  --c-primary-l:#E8F2FD;
  --c-accent:#FF7A2F;
  --c-green:#12A67A;
  --c-warn:#F5A524;
  --c-error:#E5484D;
  --t-1:#0F1F30;
  --t-2:#5B6C7E;
  --t-3:#8B99A8;
  --line:#E4EBF3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --dark:#0D1B2A;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,42,74,.06);
  --sh-2:0 12px 32px rgba(16,42,74,.10);
  --sh-dock:0 8px 28px rgba(16,42,74,.12);
  --ease:all .22s cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"PingFang SC",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:17px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 头部 Dock ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:18px 0 12px;
  transition:var(--ease);
}
.site-header.is-scrolled{
  padding:10px 0;
  background:rgba(245,248,252,.9);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(16,42,74,.06);
}
.dock{
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:10px 12px 10px 16px;
  box-shadow:var(--sh-dock);
  transition:var(--ease);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#0B6BCB,#3A97E8);
  color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:700;line-height:1;
}
.brand-name{
  font-size:18px;font-weight:700;letter-spacing:.01em;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.brand-tag{
  font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);padding:3px 9px;border-radius:var(--r-pill);
  letter-spacing:.02em;
}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;font-size:15px;font-weight:500;color:var(--t-2);
  border-radius:var(--r-pill);transition:var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;
  border-radius:var(--r-pill);background:var(--c-primary);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--t-2);
  display:grid;place-items:center;cursor:pointer;transition:var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.icon-btn:active{transform:scale(.96)}
.menu-btn{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,107,203,.24)}
.btn-primary:active{background:var(--c-primary);transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:10px 20px;font-size:15px}
.btn-block{width:100%}
.btn:disabled{background:#C9D4E0;border-color:#C9D4E0;color:#fff;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);transition:var(--ease);
}
.link-arrow span{transition:transform .22s cubic-bezier(.2,.7,.3,1)}
.link-arrow:hover span{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;letter-spacing:.02em;
  background:var(--c-primary-l);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1.6;letter-spacing:.02em;
  color:var(--c-primary);background:var(--c-primary-l);
  padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow--light{background:rgba(255,255,255,.18);color:#fff}

/* ---------- 区块骨架 ---------- */
.section{padding:88px 0}
.section-white{background:#fff}
.section-head{max-width:780px;margin:0 auto 48px;text-align:center}
.section-head--left{margin-left:0;text-align:left}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;margin-top:16px;
}
.section-lead{margin-top:16px;font-size:16px;line-height:1.8;color:var(--t-2)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 68px;
  text-align:center;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(255,255,255,.93),rgba(245,248,252,.98)),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;
  font-weight:700;
  max-width:960px;
  margin:22px auto 0;
  letter-spacing:-.01em;
}
.hero-sub{
  margin:20px auto 0;
  max-width:660px;
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.75;
  color:var(--t-2);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.hero-meta{
  display:flex;flex-wrap:wrap;justify-content:center;gap:24px 56px;
  margin-top:46px;padding-top:30px;border-top:1px solid var(--line);
}
.hero-meta div{text-align:center}
.hero-meta b{
  display:block;font-family:var(--font-num);
  font-size:28px;font-weight:700;line-height:1.2;color:var(--t-1);
}
.hero-meta b em{font-style:normal;font-size:15px;font-weight:600;color:var(--t-2);margin-left:3px}
.hero-meta span{font-size:13px;color:var(--t-3)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 24px 26px;
  box-shadow:var(--sh-1);
  transition:var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE1F6}
.step-num{
  position:absolute;top:8px;right:18px;
  font-family:var(--font-num);
  font-size:48px;font-weight:700;line-height:1;
  color:rgba(11,107,203,.12);
  letter-spacing:-.02em;
}
.step h3{font-size:20px;line-height:1.4;font-weight:600;margin-top:16px}
.step p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--t-2)}
.step-tag{
  display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--c-primary);background:var(--c-primary-l);
}

/* ---------- 两栏内容 ---------- */
.split{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start}
.split-main h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;margin-top:16px}
.split-main .lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--t-2);max-width:640px}
.dot-list{display:grid;gap:20px;margin-top:32px}
.dot-list li{position:relative;padding-left:22px}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:var(--r-pill);background:var(--c-primary);
}
.dot-list strong{display:block;font-size:17px;font-weight:600;color:var(--t-1)}
.dot-list span{display:block;margin-top:2px;font-size:15px;line-height:1.8;color:var(--t-2)}

.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);transition:var(--ease);
}
.stat-card + .stat-card{margin-top:16px}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stat-num{
  font-family:var(--font-num);
  font-size:34px;font-weight:700;line-height:1.1;color:var(--c-primary);
  letter-spacing:-.01em;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--t-2);margin-left:5px}
.stat-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--t-2)}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.cmp-table{width:100%;min-width:620px}
.cmp-table th,.cmp-table td{
  padding:16px 22px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.cmp-table thead th{
  background:#F5F8FC;font-size:14px;font-weight:600;color:var(--t-2);
  letter-spacing:.02em;white-space:nowrap;
}
.cmp-table tbody td:first-child{font-weight:600;color:var(--t-1);width:22%}
.cmp-table tbody td{color:var(--t-2);line-height:1.75}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr:hover{background:#F8FBFE}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:var(--ease);
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9EFF6}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.scene-body h3{font-size:19px;line-height:1.45;font-weight:600}
.scene-body p{font-size:15px;line-height:1.8;color:var(--t-2);flex:1}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:40px auto 0;display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:var(--ease);
}
.faq-item[open]{background:var(--c-primary-l);border-color:rgba(11,107,203,.28)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;line-height:1.5;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;
  font-family:var(--font-num);font-size:22px;font-weight:400;
  color:var(--c-primary);line-height:1;transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:#084C93;padding:88px 0;color:#fff}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;margin-top:18px;color:#fff}
.cta-copy p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);max-width:520px}
.cta-points{margin-top:28px;display:grid;gap:14px}
.cta-points li{position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.86)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:10px;height:10px;border-radius:var(--r-pill);
  background:var(--c-accent);
}
.consult-form{
  background:#fff;border-radius:var(--r-panel);padding:32px;
  box-shadow:0 20px 48px rgba(6,32,64,.22);color:var(--t-1);
}
.form-head{font-size:20px;font-weight:700;margin-bottom:6px}
.form-sub{font-size:14px;color:var(--t-2);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .req{color:var(--c-error);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  font-size:15px;line-height:1.6;transition:var(--ease);
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(11,107,203,.12);
}
.field input.is-error,.field textarea.is-error{border-color:var(--c-error)}
.field-hint{display:flex;justify-content:space-between;gap:12px;margin-top:6px;font-size:13px;color:var(--t-3)}
.field-hint .err-text{color:var(--c-error)}
.form-alert{
  padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.7;
  margin-bottom:18px;border-left:4px solid transparent;
}
.form-alert.is-ok{background:#E9F8F2;border-left-color:var(--c-green);color:#0C7A59}
.form-alert.is-error{background:#FDECEC;border-left-color:var(--c-error);color:#B32B2F}
.form-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--t-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-tag{background:rgba(255,255,255,.14);color:#BBD8F5}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:grid;gap:4px}
.footer-links a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:14px;color:rgba(255,255,255,.72);transition:var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-info{display:grid;gap:12px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.68)}
.footer-info strong{color:rgba(255,255,255,.92);font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  display:none;flex-direction:column;padding:20px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}
.drawer-nav{display:grid;gap:6px}
.drawer-nav .nav-link{
  display:flex;align-items:center;height:48px;padding:0 16px;
  border-radius:12px;font-size:16px;
}
.drawer-nav .nav-link.is-active{background:var(--c-primary-l)}
.drawer-nav .nav-link.is-active::after{display:none}
.drawer-foot{margin-top:auto;padding-top:24px;display:grid;gap:10px}
.drawer-foot .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0}
  .split{grid-template-columns:1fr;gap:40px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .cta-inner{grid-template-columns:1fr;gap:40px}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav{display:none}
  .menu-btn{display:grid}
  .dock-actions .btn{display:none}
  .dock{padding:8px 10px 8px 14px}
  .scene-grid{grid-template-columns:1fr}
  .steps{
    display:block;
    border-left:1px dashed rgba(11,107,203,.4);
    margin-left:18px;padding-left:26px;
  }
  .step{
    background:transparent;border:none;border-radius:0;
    padding:0 0 32px;box-shadow:none;
  }
  .step:last-child{padding-bottom:0}
  .step:hover{transform:none;box-shadow:none}
  .step-num{
    top:-2px;right:auto;left:-45px;
    width:36px;height:36px;border-radius:var(--r-pill);
    background:var(--c-primary);color:#fff;
    display:grid;place-items:center;
    font-size:14px;letter-spacing:0;
  }
  .step h3{margin-top:0}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 52px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-meta{gap:20px 32px}
  .hero-meta b{font-size:24px}
  .hero-cta .btn{flex:1 1 180px}
  .form-row{grid-template-columns:1fr}
  .consult-form{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cmp-table th,.cmp-table td{padding:14px 16px}
}
@media (max-width:420px){
  body{font-size:15px}
  .brand-name{font-size:16px}
  .brand-tag{font-size:11px;padding:2px 7px}
  .btn{padding:13px 22px;font-size:15px}
  .hero-cta .btn{flex:1 1 100%}
  .section-head h2{font-size:23px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .scene-card:hover .scene-media img,
  .step:hover,.scene-card:hover,.stat-card:hover,
  .btn:hover,.footer-links a:hover{transform:none !important}
}