/* roulang page: index */
:root{
  --c-brand:#0F6BA8;
  --c-brand-700:#0C5687;
  --c-brand-100:#E4F0F8;
  --c-brand-050:#F2F8FC;
  --c-accent:#17B08A;
  --c-accent-050:#E6F7F2;
  --c-promo:#F07219;
  --c-promo-050:#FEF1E6;
  --c-bg:#F4F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF2;
  --c-line-soft:#EDF2F6;
  --c-text:#16242E;
  --c-text-2:#5B6F7E;
  --c-text-3:#A9B7C1;
  --c-success:#1E9E6A;
  --c-error:#D64545;
  --c-warn:#C98A0B;
  --r-card:12px;
  --r-panel:16px;
  --r-btn:10px;
  --r-img:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,38,54,.06);
  --sh-2:0 1px 2px rgba(16,38,54,.05),0 10px 24px rgba(16,38,54,.07);
  --sh-3:0 2px 4px rgba(16,38,54,.06),0 18px 40px rgba(16,38,54,.10);
  --container:1200px;
  --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;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--sp-6);}
.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;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-brand-700);color:#FFFFFF;font-size:13px;height:36px;line-height:36px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;}
.topbar__meta{display:flex;align-items:center;gap:var(--sp-3);opacity:.92;}
.topbar__links{display:flex;align-items:center;gap:var(--sp-5);}
.topbar__links a{color:#FFFFFF;opacity:.92;transition:opacity .18s ease;}
.topbar__links a:hover{opacity:1;text-decoration:underline;}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;margin-right:6px;vertical-align:middle;}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#FFFFFF;border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--c-line);}
.mainnav .container{display:flex;align-items:center;gap:var(--sp-6);height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{width:34px;height:34px;border-radius:50%;background:var(--c-brand);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.logo__mark svg{width:19px;height:19px;}
.logo__text{font-size:18px;font-weight:700;color:var(--c-brand);letter-spacing:.3px;white-space:nowrap;}
.navmenu{display:flex;align-items:center;gap:28px;margin-left:var(--sp-5);}
.navmenu__item{position:relative;}
.navmenu__link{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:500;color:var(--c-text);padding:20px 0;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;}
.navmenu__link:hover{color:var(--c-brand);}
.navmenu__item.is-active .navmenu__link{color:var(--c-brand);border-bottom-color:var(--c-brand);}
.navmenu__caret{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6;}
.dropdown{position:absolute;top:100%;left:-16px;width:240px;background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:var(--sp-2);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;}
.navmenu__item:hover .dropdown,.navmenu__item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:block;font-size:14px;color:var(--c-text-2);padding:10px 14px;border-left:3px solid transparent;border-radius:8px;transition:background .16s ease,color .16s ease,border-color .16s ease;}
.dropdown a:hover{background:var(--c-brand-050);color:var(--c-brand);border-left-color:var(--c-brand);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:var(--sp-5);}
.nav-phone{font-size:14px;color:var(--c-text-2);font-variant-numeric:tabular-nums;transition:color .18s ease;}
.nav-phone:hover{color:var(--c-brand);}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);align-items:center;justify-content:center;margin-left:auto;}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-text);position:relative;transition:background .2s ease;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);transition:transform .2s ease;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ============ 频道条 ============ */
.channelbar{position:sticky;top:64px;z-index:55;background:#FFFFFF;border-bottom:1px solid var(--c-line);}
.channelbar .container{display:flex;align-items:center;gap:var(--sp-3);height:44px;overflow-x:auto;scrollbar-width:none;}
.channelbar .container::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;color:var(--c-text-2);background:var(--c-brand-050);white-space:nowrap;transition:background .18s ease,color .18s ease;}
.chip:hover{background:var(--c-brand-100);color:var(--c-brand);}
.chip.is-current{background:var(--c-brand);color:#FFFFFF;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.btn--primary{background:var(--c-brand);color:#FFFFFF;}
.btn--primary:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:#FFFFFF;color:var(--c-brand);border-color:var(--c-brand);}
.btn--ghost:hover{background:var(--c-brand-050);}
.btn--promo{background:var(--c-promo);color:#FFFFFF;}
.btn--promo:hover{background:#D95F0C;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--text{height:auto;padding:0;color:var(--c-brand);font-size:14px;border-bottom:1px solid currentColor;border-radius:0;}
.btn--text:hover{color:var(--c-brand-700);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;line-height:1;font-weight:500;}
.badge--brand{background:var(--c-brand-100);color:var(--c-brand-700);}
.badge--accent{background:var(--c-accent-050);color:#0E8368;}
.badge--promo{background:var(--c-promo-050);color:#C25509;}
.badge--muted{background:var(--c-line-soft);color:var(--c-text-2);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-9) 0;}
.section--alt{background:#FFFFFF;}
.section--tight{padding:var(--sp-7) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-7);}
.section-head__bar{width:36px;height:4px;border-radius:2px;background:var(--c-brand);margin-bottom:var(--sp-4);}
.section-title{font-size:28px;font-weight:700;line-height:1.25;color:var(--c-text);}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:720px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-brand);text-transform:uppercase;margin-bottom:var(--sp-3);}

/* ============ Hero ============ */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--c-brand-050) 100%);padding:var(--sp-8) 0 var(--sp-7);}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--sp-7);align-items:center;}
.hero h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.4px;}
.hero__sub{margin-top:var(--sp-5);font-size:18px;line-height:1.75;color:var(--c-text-2);max-width:620px;}
.hero__actions{margin-top:var(--sp-6);display:flex;flex-wrap:wrap;gap:var(--sp-3);}
.hero__badges{margin-top:var(--sp-5);display:flex;flex-wrap:wrap;gap:var(--sp-3);}
.hero__media{position:relative;}
.hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-panel);box-shadow:var(--sh-2);background:var(--c-line-soft);}
.hero__card{position:absolute;right:-16px;bottom:-24px;width:236px;background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-3);padding:var(--sp-4);}
.hero__card dt{font-size:12px;color:var(--c-text-2);}
.hero__card dd{margin:2px 0 var(--sp-3);font-size:20px;font-weight:600;color:var(--c-brand);font-variant-numeric:tabular-nums;}
.hero__card dd:last-child{margin-bottom:0;}

/* ============ 信任带 ============ */
.trustbar{background:var(--c-brand-050);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.trustbar ul{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);padding:var(--sp-4) 0;}
.trustbar li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text-2);}
.trustbar li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c-accent);flex-shrink:0;}

/* ============ 阶梯卡 ============ */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);}
.ladder__card{position:relative;background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);padding:var(--sp-5);box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;}
.ladder__card::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--c-brand);}
.ladder__card--soft{background:var(--c-brand-050);}
.ladder__card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(15,107,168,.25);}
.ladder__num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--c-brand-100);color:var(--c-brand-700);font-size:13px;font-weight:600;}
.ladder__title{margin-top:var(--sp-3);font-size:20px;font-weight:600;line-height:1.4;}
.ladder__desc{margin-top:var(--sp-3);font-size:14px;line-height:1.75;color:var(--c-text-2);flex:1;}
.ladder__meta{margin-top:var(--sp-4);padding-top:var(--sp-4);border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-text-2);}
.ladder__link{margin-top:var(--sp-3);display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-brand);}
.ladder__link::after{content:"→";transition:transform .18s ease;}
.ladder__link:hover::after{transform:translateX(3px);}

/* ============ 对比表 ============ */
.compare-wrap{background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-panel);box-shadow:var(--sh-1);overflow:hidden;}
.compare-scroll{overflow-x:auto;}
.compare{min-width:760px;}
.compare th,.compare td{padding:16px 20px;font-size:14px;text-align:left;border-bottom:1px solid var(--c-line);}
.compare thead th{background:var(--c-brand-050);font-size:14px;font-weight:600;color:var(--c-brand-700);border-bottom:1px solid var(--c-line);}
.compare tbody tr:nth-child(even){background:#F8FBFD;}
.compare tbody tr:hover{background:var(--c-brand-050);}
.compare td:first-child{font-weight:500;color:var(--c-text);width:26%;}
.compare .col-hi{color:var(--c-brand);font-weight:600;}
.compare-note{display:none;background:var(--c-promo-050);color:#C25509;font-size:13px;padding:10px 16px;border-bottom:1px solid var(--c-line);}
.compare-cards{display:none;grid-template-columns:1fr;gap:var(--sp-5);}
.compare-card{background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:var(--sp-5);}
.compare-card h3{font-size:20px;font-weight:600;margin-bottom:var(--sp-4);}
.compare-card dl{display:grid;grid-template-columns:auto 1fr;gap:8px var(--sp-4);font-size:14px;}
.compare-card dt{color:var(--c-text-2);}
.compare-card dd{margin:0;text-align:right;font-variant-numeric:tabular-nums;}

/* ============ 最新动态 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);}
.post-card{background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(15,107,168,.25);}
.post-card__thumb{position:relative;}
.post-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-line-soft);}
.post-card__thumb .badge{position:absolute;left:12px;top:12px;}
.post-card__body{padding:var(--sp-5);}
.post-card__title{font-size:18px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__desc{margin-top:var(--sp-3);font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__meta{margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--c-line-soft);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-2);}
.post-card__more{color:var(--c-brand);font-size:13px;}
.post-card__more:hover{text-decoration:underline;}
.empty-state{grid-column:1/-1;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--sp-3);background:#FFFFFF;border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-2);font-size:14px;padding:var(--sp-7);}
.empty-state svg{width:36px;height:36px;color:var(--c-text-3);}

/* ============ 限时入口 ============ */
.promo-bar{position:relative;background:var(--c-promo-050);border:1px solid #F8D9BC;border-radius:var(--r-panel);padding:var(--sp-6);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);overflow:hidden;}
.promo-bar::before,.promo-bar::after{content:"";position:absolute;top:0;bottom:0;width:4px;background:var(--c-promo);}
.promo-bar::before{left:0;}
.promo-bar::after{right:0;}
.promo-bar__text h3{font-size:20px;font-weight:600;}
.promo-bar__text p{margin-top:8px;font-size:14px;color:#8A4A16;}
.countdown{display:flex;align-items:center;gap:8px;margin-top:var(--sp-4);}
.countdown span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:38px;padding:0 8px;background:#FFFFFF;border:1px solid #F3D3B4;border-radius:8px;font-size:18px;font-weight:600;color:var(--c-promo);font-variant-numeric:tabular-nums;}
.countdown i{font-style:normal;color:var(--c-promo);font-weight:600;}

/* ============ 数据块 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);}
.stat{background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);padding:var(--sp-5);box-shadow:var(--sh-1);}
.stat__num{font-size:34px;font-weight:700;color:var(--c-brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat__num small{font-size:16px;font-weight:500;margin-left:4px;color:var(--c-text-2);}
.stat__label{margin-top:var(--sp-2);font-size:14px;color:var(--c-text-2);}

/* ============ 图文交错 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-8);align-items:center;}
.split--reverse .split__media{order:2;}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-panel);box-shadow:var(--sh-2);background:var(--c-line-soft);}
.split__list{margin-top:var(--sp-5);display:grid;gap:var(--sp-4);}
.split__list li{display:grid;grid-template-columns:32px 1fr;gap:var(--sp-3);font-size:15px;color:var(--c-text-2);}
.split__list strong{display:block;font-size:16px;color:var(--c-text);font-weight:600;margin-bottom:2px;}
.split__num{width:32px;height:32px;border-radius:50%;background:var(--c-brand-100);color:var(--c-brand-700);font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;display:grid;gap:var(--sp-3);}
.faq__item{position:relative;background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .18s ease;}
.faq__item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-brand);transform:scaleY(0);transform-origin:top;transition:transform .2s ease;}
.faq__item.is-open::before{transform:scaleY(1);}
.faq__item.is-open{border-color:rgba(15,107,168,.3);}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);min-height:64px;padding:var(--sp-4) var(--sp-5);text-align:left;font-size:18px;font-weight:600;line-height:1.5;}
.faq__icon{position:relative;flex-shrink:0;width:18px;height:18px;transition:transform .2s ease;color:var(--c-brand);}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq__icon::before{left:0;top:8px;width:18px;height:2px;}
.faq__icon::after{top:0;left:8px;width:2px;height:18px;}
.faq__item.is-open .faq__icon{transform:rotate(45deg);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq__a p{padding:0 var(--sp-5) var(--sp-5);font-size:15px;line-height:1.85;color:var(--c-text-2);}

/* ============ 表单 ============ */
.contact{display:grid;grid-template-columns:5fr 7fr;gap:var(--sp-7);align-items:start;}
.contact__aside h3{font-size:20px;font-weight:600;margin-bottom:var(--sp-4);}
.contact__points{display:grid;gap:var(--sp-4);}
.contact__points li{display:flex;gap:var(--sp-3);font-size:15px;color:var(--c-text-2);}
.contact__points li::before{content:"";flex-shrink:0;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--c-brand);}
.contact__block{margin-top:var(--sp-6);background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);padding:var(--sp-5);box-shadow:var(--sh-1);}
.contact__block dt{font-size:13px;color:var(--c-text-2);}
.contact__block dd{margin:4px 0 var(--sp-4);font-size:17px;font-weight:600;font-variant-numeric:tabular-nums;}
.contact__block dd:last-child{margin-bottom:0;}
.form-panel{background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-panel);box-shadow:var(--sh-3);padding:var(--sp-6);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-5);}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:500;color:var(--c-text);}
.field label span{color:var(--c-error);}
.field input,.field select,.field textarea{width:100%;min-height:44px;padding:10px 14px;border:1px solid #D7E2EB;border-radius:var(--r-btn);background:#FFFFFF;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;}
.field textarea{min-height:120px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(15,107,168,.14);}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--c-error);}
.field__err{font-size:13px;color:var(--c-error);display:none;}
.field.is-error .field__err{display:block;}
.field__hint{font-size:13px;color:var(--c-text-2);}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-text-2);}
.check input{width:18px;height:18px;min-height:0;margin-top:4px;accent-color:var(--c-brand);}
.form-note{margin-top:var(--sp-4);font-size:13px;color:var(--c-text-2);}
.form-alert{display:none;margin-bottom:var(--sp-5);padding:12px 16px;border-radius:var(--r-btn);font-size:14px;}
.form-alert.is-ok{display:block;background:var(--c-accent-050);color:#0E8368;border:1px solid #B9E7DA;}
.form-alert.is-bad{display:block;background:#FDECEC;color:#A62D2D;border:1px solid #F5C6C6;}

/* ============ CTA 面板 ============ */
.cta-panel{background:var(--c-brand-700);border-radius:var(--r-panel);padding:var(--sp-7);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);color:#FFFFFF;box-shadow:var(--sh-2);}
.cta-panel h2{font-size:26px;font-weight:700;line-height:1.3;}
.cta-panel p{margin-top:10px;font-size:15px;color:#CDE3F1;max-width:640px;}
.cta-panel__actions{display:flex;gap:var(--sp-3);flex-shrink:0;flex-wrap:wrap;}
.cta-panel .btn--ghost{background:transparent;color:#FFFFFF;border-color:rgba(255,255,255,.55);}
.cta-panel .btn--ghost:hover{background:rgba(255,255,255,.12);}

/* ============ 页脚 ============ */
.site-footer{background:#0E2A3D;color:#E8F1F6;margin-top:var(--sp-9);}
.site-footer__main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-6);padding:var(--sp-8) 0 var(--sp-7);}
.site-footer h4{font-size:15px;font-weight:600;margin-bottom:var(--sp-4);color:#FFFFFF;}
.site-footer p,.site-footer li{font-size:14px;line-height:1.9;color:#B9CFDD;}
.site-footer a{color:#B9CFDD;transition:color .16s ease;}
.site-footer a:hover{color:#FFFFFF;text-decoration:underline;}
.site-footer__links li{line-height:40px;}
.site-footer__brand .logo__text{color:#FFFFFF;}
.site-footer__brand .logo__mark{background:#FFFFFF;}
.site-footer__brand .logo__mark svg{color:var(--c-brand-700);}
.site-footer__brand p{margin-top:var(--sp-4);max-width:320px;}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.14);padding:var(--sp-5) 0;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);font-size:13px;color:#93AFC2;}
.site-footer__bottom a{color:#93AFC2;}

/* ============ 移动端抽屉 ============ */
.mask{position:fixed;inset:0;background:rgba(16,36,50,.45);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s;z-index:80;}
.mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;background:#FFFFFF;z-index:90;transform:translateX(100%);transition:transform .26s ease;display:flex;flex-direction:column;}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-4) var(--sp-5);border-bottom:1px solid var(--c-line);}
.drawer__close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);font-size:20px;line-height:1;color:var(--c-text-2);}
.drawer__nav{padding:var(--sp-3) 0;overflow-y:auto;flex:1;}
.drawer__nav a{display:block;padding:0 var(--sp-5);line-height:48px;font-size:15px;color:var(--c-text);border-bottom:1px solid var(--c-line-soft);}
.drawer__nav a.is-active{color:var(--c-brand);font-weight:600;background:var(--c-brand-050);}
.drawer__foot{padding:var(--sp-4) var(--sp-5);border-top:1px solid var(--c-line);display:grid;gap:var(--sp-3);}
.drawer__phone{text-align:center;font-size:14px;color:var(--c-text-2);font-variant-numeric:tabular-nums;}
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#FFFFFF;border-top:1px solid var(--c-line);box-shadow:var(--sh-2);padding:8px 16px calc(8px + env(safe-area-inset-bottom));gap:12px;}
.mobile-cta a{flex:1;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero h1{font-size:38px;}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 var(--sp-5);}
  .navmenu,.nav-actions,.channelbar{display:none;}
  .hamburger{display:flex;}
  .mainnav .container{height:60px;}
  .section{padding:var(--sp-8) 0;}
  .hero{padding:var(--sp-7) 0;}
  .hero__grid{grid-template-columns:1fr;gap:var(--sp-7);}
  .hero h1{font-size:34px;}
  .hero__sub{font-size:16px;}
  .hero__card{position:static;width:100%;margin-top:var(--sp-5);}
  .trustbar ul{grid-template-columns:repeat(2,1fr);}
  .ladder{grid-template-columns:repeat(2,1fr);}
  .compare-scroll{display:none;}
  .compare-note{display:block;}
  .compare-cards{display:grid;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:var(--sp-7);}
  .split--reverse .split__media{order:0;}
  .contact{grid-template-columns:1fr;}
  .cta-panel{flex-direction:column;align-items:flex-start;text-align:left;}
  .site-footer__main{grid-template-columns:1fr 1fr;gap:var(--sp-6);}
  .mobile-cta{display:flex;}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .section{padding:var(--sp-7) 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:var(--sp-3);margin-bottom:var(--sp-6);}
  .section-title{font-size:24px;}
  .hero h1{font-size:34px;}
  .hero__actions .btn,.form-panel .btn{width:100%;height:48px;}
  .trustbar ul{grid-template-columns:1fr;gap:var(--sp-3);}
  .ladder{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat__num{font-size:28px;}
  .promo-bar{flex-direction:column;align-items:flex-start;}
  .form-grid{grid-template-columns:1fr;}
  .form-panel{padding:var(--sp-5);}
  .cta-panel{padding:var(--sp-6);}
  .cta-panel h2{font-size:22px;}
  .faq__q{font-size:16px;min-height:56px;}
  .site-footer__main{grid-template-columns:1fr;padding:var(--sp-7) 0 var(--sp-6);}
  .site-footer__bottom{flex-direction:column;align-items:flex-start;gap:var(--sp-2);}
  .topbar__meta{display:none;}
  .topbar .container{justify-content:center;}
}
@media (max-width:519px){
  .hero h1{font-size:28px;line-height:1.3;}
  .stats{grid-template-columns:1fr;}
  .countdown span{min-width:38px;height:34px;font-size:16px;}
}

/* roulang page: article */
:root{
  --c-brand:#0F6BA8;
  --c-brand-700:#0C5687;
  --c-brand-100:#E4F0F8;
  --c-brand-050:#F2F8FC;
  --c-accent:#17B08A;
  --c-accent-050:#E6F7F2;
  --c-promo:#F07219;
  --c-promo-050:#FEF1E6;
  --c-bg:#F4F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF2;
  --c-text:#16242E;
  --c-text-2:#1F313C;
  --c-muted:#5B6F7E;
  --c-disabled:#A9B7C1;
  --c-ok:#1E9E6A;
  --c-err:#D64545;
  --c-warn:#C98A0B;
  --r-card:12px;
  --r-panel:16px;
  --r-btn:10px;
  --r-img:10px;
  --s1:0 1px 2px rgba(16,38,54,.06);
  --s2:0 1px 2px rgba(16,38,54,.05), 0 10px 24px rgba(16,38,54,.07);
  --s3:0 2px 4px rgba(16,38,54,.06), 0 18px 40px rgba(16,38,54,.10);
  --max-w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  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:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0 0 18px}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface)}
.mainnav{background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled .mainnav{box-shadow:var(--s2)}
.mainnav .container{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:32px;height:32px;border-radius:50%;background:var(--c-brand);display:grid;place-items:center;flex:0 0 auto}
.logo__mark svg{width:19px;height:19px}
.logo__text{font-size:18px;font-weight:700;color:var(--c-brand);letter-spacing:.4px}
.navmenu{display:flex;align-items:center;gap:28px;margin-left:12px}
.navmenu__item{position:relative}
.navmenu__link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-text);padding:20px 0;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease}
.navmenu__link:hover{color:var(--c-brand);border-bottom-color:var(--c-brand)}
.navmenu__item.is-active .navmenu__link{color:var(--c-brand);border-bottom-color:var(--c-brand)}
.navmenu__caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-3px}
.dropdown{position:absolute;top:100%;left:-12px;width:240px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s2);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.navmenu__item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 12px;font-size:14px;border-left:3px solid transparent;border-radius:8px;transition:background .18s ease,color .18s ease,border-color .18s ease}
.dropdown a:hover{background:var(--c-brand-050);border-left-color:var(--c-brand);color:var(--c-brand)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-phone{font-size:14px;font-weight:600;color:var(--c-brand);font-variant-numeric:tabular-nums}
.nav-phone:hover{color:var(--c-brand-700)}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--r-btn);margin-left:auto;align-items:center;justify-content:center;border:1px solid var(--c-line)}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-brand);position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand)}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* ---------- 频道条 ---------- */
.channelbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:64px;z-index:55}
.channelbar .container{display:flex;align-items:center;gap:20px;height:44px;overflow:hidden}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);min-width:0;flex:1 1 auto;overflow:hidden}
.crumb li{display:flex;align-items:center;gap:8px;min-width:0}
.crumb li+li::before{content:"/";color:var(--c-disabled);flex:0 0 auto}
.crumb a:hover{color:var(--c-brand)}
.crumb__current{color:var(--c-brand);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}
.channelbar__chips{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--c-brand-050);color:var(--c-brand);font-size:13px;white-space:nowrap;transition:background .18s ease,color .18s ease}
.chip:hover{background:var(--c-brand-100)}
.chip.is-current{background:var(--c-brand);color:#fff}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn--primary{background:var(--c-brand);color:#fff}
.btn--primary:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--s2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--s1)}
.btn--ghost{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-brand)}
.btn--ghost:hover{background:var(--c-brand-050);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(0)}
.btn--promo{background:var(--c-promo);color:#fff}
.btn--promo:hover{background:#D9620C;transform:translateY(-1px);box-shadow:var(--s2)}
.btn--promo:active{transform:translateY(0)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled]{opacity:.4;pointer-events:none}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:500}
.badge--cat{background:var(--c-brand-100);color:var(--c-brand-700)}
.badge--state{background:var(--c-accent-050);color:#0F7B60}
.badge--promo{background:var(--c-promo-050);color:#C55A0C}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-brand-050);color:var(--c-brand);font-size:13px;transition:background .18s ease}
.tag:hover{background:var(--c-brand-100)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);border-bottom:1px solid rgba(15,107,168,.35);padding-bottom:2px;transition:gap .18s ease,color .18s ease,border-color .18s ease}
.link-arrow::after{content:"→";font-size:13px}
.link-arrow:hover{gap:10px;color:var(--c-brand-700);border-color:var(--c-brand-700)}

/* ---------- 文章标题区 ---------- */
.post-hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:34px 0 26px}
.post-hero__inner{max-width:860px;margin:0 auto}
.post-hero__title{font-size:34px;line-height:1.3;margin:14px 0 0;color:var(--c-text);overflow-wrap:break-word}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin:16px 0 0;font-size:13px;color:var(--c-muted)}
.post-meta li{display:flex;align-items:center;gap:6px}
.post-meta time,.post-meta .num{font-variant-numeric:tabular-nums}

/* ---------- 正文 ---------- */
.post-main{padding:40px 0 72px}
.post-shell{max-width:860px;margin:0 auto}
.post-cover{margin:0 0 32px}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-panel);background:#EDF2F6}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--c-text-2);overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{font-size:24px;line-height:1.35;margin:40px 0 16px;padding-left:12px;border-left:4px solid var(--c-brand);color:var(--c-text)}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:28px 0 12px;color:var(--c-text)}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--c-text)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;line-height:1.9}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:6px 0}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--c-brand-050);border-left:4px solid var(--c-brand);border-radius:0 10px 10px 0;color:var(--c-text-2)}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(15,107,168,.35)}
.article-body a:hover{color:var(--c-brand-700);border-color:var(--c-brand-700)}
.article-body img{border-radius:var(--r-panel);margin:22px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.article-body table{width:100%;display:block;overflow-x:auto;font-size:15px;margin:22px 0;-webkit-overflow-scrolling:touch}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;white-space:nowrap}
.article-body thead th{background:var(--c-brand-050);color:var(--c-brand-700);font-weight:600}
.article-body tbody tr:nth-child(even){background:#F8FBFD}
.article-body code{background:#EDF2F6;border-radius:6px;padding:2px 6px;font-size:14px}
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--c-line)}
.post-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.post-empty{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s1);padding:40px 32px;text-align:center}
.post-empty h2{font-size:20px;margin:0 0 18px;color:var(--c-text)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--white{background:var(--c-surface)}
.section--tint{background:var(--c-bg)}
.section__head{max-width:720px;margin:0 0 40px}
.section__head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--c-brand);letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.section__head .eyebrow::before{content:"";width:24px;height:4px;border-radius:2px;background:var(--c-brand)}
.section__head h2{font-size:28px;line-height:1.35}
.section__head p{margin:12px 0 0;font-size:15px;color:var(--c-muted);max-width:640px}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;position:relative;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--c-brand);opacity:0;transition:opacity .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:rgba(15,107,168,.25)}
.card:hover::before{opacity:1}
.card__media{display:block;overflow:hidden}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .25s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:20px;line-height:1.4;font-weight:600}
.card__title a:hover{color:var(--c-brand)}
.card__desc{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card__list{display:grid;gap:6px;font-size:14px;color:var(--c-muted)}
.card__list li{padding-left:16px;position:relative}
.card__list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.card__foot{margin-top:auto;padding-top:6px}

/* ---------- 要点列表 ---------- */
.checklist{display:grid;gap:12px}
.checklist li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);line-height:1.75}
.checklist li::before{content:"";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:50%;background:var(--c-accent-050);border:1px solid rgba(23,176,138,.35);position:relative}
.checklist li::after{content:"";position:absolute}
.checklist li span{display:block}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq__item{background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid transparent;border-radius:var(--r-card);box-shadow:var(--s1);margin-bottom:12px;transition:border-color .2s ease,box-shadow .2s ease}
.faq__item[open]{border-left-color:var(--c-brand);box-shadow:var(--s2)}
.faq__q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:18px;font-weight:600;line-height:1.5;cursor:pointer;list-style:none}
.faq__q::-webkit-details-marker{display:none}
.faq__icon{position:relative;flex:0 0 auto;width:16px;height:16px;transition:transform .2s ease}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px}
.faq__icon::before{left:0;top:7px;width:16px;height:2px}
.faq__icon::after{left:7px;top:0;width:2px;height:16px}
.faq__item[open] .faq__icon{transform:rotate(45deg)}
.faq__a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-muted)}

/* ---------- 咨询 ---------- */
.consult{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.consult__intro h2{font-size:28px;line-height:1.35}
.consult__intro>p{margin:14px 0 22px;font-size:15px;color:var(--c-muted);max-width:440px}
.consult__contact{margin-top:22px;font-size:15px;color:var(--c-text-2)}
.consult__contact a{color:var(--c-brand);font-weight:600;font-variant-numeric:tabular-nums}
.consult__card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-panel);box-shadow:var(--s3);padding:28px}
.consult__card h3{font-size:20px;margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:500}
.field input,.field select,.field textarea{width:100%;height:44px;padding:0 14px;background:var(--c-surface);border:1px solid #D7E2EB;border-radius:var(--r-btn);transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(15,107,168,.14)}
.field--check{flex-direction:row;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-muted);line-height:1.7}
.field--check input{width:16px;height:16px;margin-top:4px;flex:0 0 auto}
.form-note{margin:12px 0 0;font-size:13px;color:var(--c-muted)}
.form-alert{display:none;margin-bottom:16px;padding:12px 14px;border-radius:var(--r-btn);background:var(--c-accent-050);color:#0F7B60;font-size:14px}
.form-alert.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2A3D;color:#E8F1F6;padding:64px 0 0;margin-top:0}
.site-footer .logo__text{color:#fff}
.site-footer .logo__mark{background:var(--c-brand)}
.site-footer__main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.site-footer__brand p{margin:16px 0 0;font-size:14px;line-height:1.85;color:#A9C2D2;max-width:320px}
.site-footer h4{font-size:15px;font-weight:600;margin:0 0 16px;color:#fff}
.site-footer__links li{font-size:14px;color:#A9C2D2;line-height:40px}
.site-footer__links a{color:#A9C2D2;transition:color .18s ease}
.site-footer__links a:hover{color:#fff}
.site-footer__bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;border-top:1px solid rgba(232,241,246,.16);padding:18px 0;font-size:13px;color:#8FA9BA}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,36,50,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--c-surface);z-index:95;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--c-line)}
.drawer__close{width:36px;height:36px;border-radius:var(--r-btn);display:grid;place-items:center;font-size:22px;line-height:1;color:var(--c-muted);transition:background .18s ease,color .18s ease}
.drawer__close:hover{background:var(--c-brand-050);color:var(--c-brand)}
.drawer__nav{flex:1;overflow-y:auto;padding:8px 0}
.drawer__nav a{display:flex;align-items:center;height:48px;padding:0 20px;font-size:16px;border-left:3px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease}
.drawer__nav a:hover{background:var(--c-brand-050);color:var(--c-brand);border-left-color:var(--c-brand)}
.drawer__foot{padding:16px 20px;border-top:1px solid var(--c-line);display:grid;gap:10px}
.drawer__phone{display:flex;align-items:center;justify-content:center;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);font-size:15px;font-weight:600;color:var(--c-brand);font-variant-numeric:tabular-nums}
.mobile-cta{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .navmenu,.nav-actions{display:none}
  .hamburger{display:flex}
  .channelbar{position:static}
  .channelbar__chips{display:none}
  .section{padding:64px 0}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .consult{grid-template-columns:1fr}
  .site-footer__main{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{padding-bottom:76px}
  .post-hero{padding:24px 0 20px}
  .post-hero__title{font-size:28px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px;margin-top:24px}
  .post-main{padding:28px 0 56px}
  .section{padding:48px 0}
  .section__head h2{font-size:24px}
  .consult__intro h2{font-size:24px}
  .grid,.grid--3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .btn{height:48px;width:100%}
  .btn--sm{height:40px;width:auto}
  .post-actions .btn{width:auto}
  .site-footer{padding-top:48px}
  .site-footer__main{grid-template-columns:1fr;gap:24px}
  .site-footer__links li{line-height:40px}
  .mobile-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:0;right:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));background:var(--c-surface);border-top:1px solid var(--c-line);box-shadow:var(--s2);z-index:70}
  .mobile-cta .btn{height:44px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-brand:#0F6BA8;
  --c-brand-700:#0C5687;
  --c-brand-100:#E4F0F8;
  --c-brand-050:#F2F8FC;
  --c-accent:#17B08A;
  --c-accent-050:#E6F7F2;
  --c-promo:#F07219;
  --c-promo-050:#FEF1E6;
  --bg:#F4F7FA;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --line-strong:#D7E2EB;
  --text:#16242E;
  --muted:#5B6F7E;
  --disabled:#A9B7C1;
  --success:#1E9E6A;
  --danger:#D64545;
  --warn:#C98A0B;
  --radius-card:12px;
  --radius-panel:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-s1:0 1px 2px rgba(16,38,54,.06);
  --shadow-s2:0 1px 2px rgba(16,38,54,.05),0 10px 24px rgba(16,38,54,.07);
  --shadow-s3:0 2px 4px rgba(16,38,54,.06),0 18px 40px rgba(16,38,54,.10);
  --maxw:1200px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
table{border-collapse:collapse;width:100%;}
::selection{background:var(--c-brand-100);}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
}
.topbar{
  background:var(--c-brand-700);
  color:#E8F1F6;
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar a{color:#E8F1F6;}
.topbar a:hover{color:#fff;text-decoration:underline;}
.topbar__links{display:flex;gap:20px;}

.mainnav{
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled .mainnav{
  box-shadow:var(--shadow-s2);
  border-bottom-color:var(--line-strong);
}
.mainnav .container{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo__mark{
  width:34px;height:34px;
  border-radius:50%;
  background:var(--c-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.logo__mark svg{width:20px;height:20px;}
.logo__text{
  font-size:18px;
  font-weight:700;
  color:var(--c-brand);
  letter-spacing:.4px;
}

.navmenu{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:16px;
}
.navmenu__item{position:relative;}
.navmenu__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--text);
  padding:21px 0;
  position:relative;
}
.navmenu__link:hover{color:var(--c-brand);}
.navmenu__caret{
  width:6px;height:6px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);
  margin-top:-3px;
}
.navmenu__item.is-active .navmenu__link{color:var(--c-brand);font-weight:600;}
.navmenu__item.is-active .navmenu__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:13px;
  height:2px;
  border-radius:2px;
  background:var(--c-brand);
}
.dropdown{
  position:absolute;
  top:100%;
  left:-12px;
  width:240px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow-s2);
  padding:8px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.navmenu__item:hover .dropdown,
.navmenu__item:focus-within .dropdown{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.dropdown a{
  display:block;
  padding:10px 12px;
  font-size:14px;
  color:var(--text);
  border-radius:8px;
  border-left:3px solid transparent;
}
.dropdown a:hover{
  background:var(--c-brand-050);
  border-left-color:var(--c-brand);
  color:var(--c-brand);
}

.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-phone{
  font-size:14px;
  font-weight:600;
  color:var(--c-brand);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.nav-phone:hover{color:var(--c-brand-700);}

.hamburger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  align-items:center;
  justify-content:center;
  margin-left:auto;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  background:var(--text);
  position:relative;
  border-radius:2px;
}
.hamburger span::before,
.hamburger span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ===== 频道条 ===== */
.channelbar{
  background:#fff;
  border-bottom:1px solid var(--line);
  min-height:44px;
  display:flex;
  align-items:center;
}
.channelbar__inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding-top:8px;
  padding-bottom:8px;
  flex-wrap:wrap;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{
  content:"/";
  color:var(--disabled);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb [aria-current="page"]{color:var(--c-brand);font-weight:600;}
.channelbar__chips{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  margin-left:auto;
}
.channelbar__chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:var(--c-brand-050);
  color:var(--c-brand-700);
  font-size:13px;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
}
.chip:hover{background:var(--c-brand-100);}
.chip.is-current{
  background:var(--c-brand);
  color:#fff;
  border-color:var(--c-brand);
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{
  background:var(--c-brand);
  color:#fff;
  box-shadow:var(--shadow-s1);
}
.btn--primary:hover{
  background:var(--c-brand-700);
  transform:translateY(-1px);
  box-shadow:var(--shadow-s2);
}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-s1);}
.btn--ghost{
  background:#fff;
  color:var(--c-brand);
  border-color:var(--c-brand);
}
.btn--ghost:hover{background:var(--c-brand-050);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--promo{
  background:var(--c-promo);
  color:#fff;
  box-shadow:var(--shadow-s1);
}
.btn--promo:hover{
  background:#D9631A;
  transform:translateY(-1px);
  box-shadow:var(--shadow-s2);
}
.btn--promo:active{transform:translateY(0);}
.btn--text{
  height:auto;
  padding:0;
  color:var(--c-brand);
  font-weight:600;
  border-bottom:1px solid rgba(15,107,168,.4);
  border-radius:0;
}
.btn--text:hover{color:var(--c-brand-700);border-bottom-color:var(--c-brand-700);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{
  opacity:.4;
  cursor:not-allowed;
  transform:none !important;
  box-shadow:none;
}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  line-height:1;
}
.badge--brand{background:var(--c-brand-100);color:var(--c-brand-700);}
.badge--state{background:var(--c-accent-050);color:#0E7C60;}
.badge--promo{background:var(--c-promo-050);color:#B85410;}
.badge--line{background:#EDF2F6;color:var(--muted);}

/* ===== Hero ===== */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F8FC 100%);
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
}
.page-hero__grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.page-hero h1{
  font-size:44px;
  line-height:1.25;
  margin:18px 0 18px;
  letter-spacing:-.5px;
}
.page-hero__lead{
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
  max-width:620px;
}
.hero-actions{
  display:flex;
  gap:14px;
  margin:28px 0 26px;
  flex-wrap:wrap;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}
.hero-points li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
  flex-shrink:0;
}
.page-hero__media{position:relative;}
.page-hero__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-s3);
  background:var(--c-brand-050);
}
.hero-floatcard{
  position:absolute;
  right:-8px;
  bottom:-24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-s3);
  padding:16px 20px;
  min-width:220px;
}
.hero-floatcard__row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--muted);
}
.hero-floatcard__row+.hero-floatcard__row{margin-top:8px;}
.hero-floatcard__row strong{
  font-size:18px;
  color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}

/* ===== 板块 ===== */
.section{padding:88px 0;}
.section--alt{background:#fff;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:28px;
  position:relative;
  padding-top:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:40px;height:4px;
  border-radius:2px;
  background:var(--c-brand);
}
.section-head p{
  font-size:15px;
  color:var(--muted);
  margin-top:10px;
  max-width:640px;
}

/* ===== 侧栏 + 内容流 ===== */
.layout-aside{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:32px;
  align-items:start;
}
.toc{
  position:sticky;
  top:132px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-s1);
  padding:20px 18px;
}
.toc__title{
  font-size:13px;
  font-weight:700;
  color:var(--muted);
  letter-spacing:1px;
  margin-bottom:12px;
}
.toc__list li+li{margin-top:4px;}
.toc__list a{
  display:block;
  font-size:14px;
  color:var(--text);
  padding:9px 12px;
  border-radius:8px;
  border-left:3px solid transparent;
  line-height:1.5;
}
.toc__list a:hover{background:var(--c-brand-050);color:var(--c-brand);}
.toc__list a.is-current{
  background:var(--c-brand-050);
  color:var(--c-brand);
  font-weight:600;
  border-left-color:var(--c-brand);
}
.toc__note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  line-height:1.75;
}
.toc__note a{
  color:var(--c-brand);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}

.content-flow > article + article{margin-top:56px;}
.content-flow h2{
  font-size:24px;
  margin-bottom:14px;
}
.content-flow h2::after{
  content:"";
  display:block;
  width:28px;
  height:3px;
  background:var(--c-brand-100);
  border-radius:2px;
  margin-top:10px;
}
.content-flow p{
  font-size:16px;
  color:#2B3B47;
  line-height:1.9;
}
.content-flow p + p{margin-top:14px;}

.pointlist{margin-top:18px;display:grid;gap:12px;}
.pointlist li{
  position:relative;
  padding:14px 18px 14px 42px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  font-size:15px;
  color:var(--text);
  box-shadow:var(--shadow-s1);
  line-height:1.7;
}
.pointlist li::before{
  content:counter(listitem);
  counter-increment:listitem;
  position:absolute;
  left:14px;
  top:15px;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--c-brand);
  color:#fff;
  font-size:11px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  line-height:1;
}
.pointlist{counter-reset:listitem;}

.feature-media{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:28px;
  align-items:center;
  margin-top:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-s1);
  overflow:hidden;
}
.feature-media img{
  width:100%;
  height:100%;
  min-height:230px;
  object-fit:cover;
  background:var(--c-brand-050);
}
.feature-media__body{padding:28px 28px 28px 4px;}
.feature-media__body h3{font-size:20px;margin-bottom:10px;}
.feature-media__body p{font-size:15px;color:var(--muted);line-height:1.8;}
.feature-media__body ul{margin-top:14px;display:grid;gap:8px;}
.feature-media__body li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text);
}
.feature-media__body li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:2px;
  background:var(--c-accent);
  border-radius:2px;
}

/* ===== 卡片栅格 ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-s1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-s2);
  border-color:rgba(15,107,168,.25);
}
.card__media{position:relative;}
.card__media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:var(--c-brand-050);
}
.card__tag{
  position:absolute;
  top:12px;left:12px;
  background:#fff;
  color:var(--c-brand-700);
  font-size:12px;
  font-weight:600;
  height:24px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  display:inline-flex;
  align-items:center;
  box-shadow:var(--shadow-s1);
}
.card__body{padding:22px;display:flex;flex-direction:column;flex:1;}
.card__body h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.card__body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  flex:1;
}
.card__meta{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}
.card__meta strong{color:var(--c-brand);font-weight:600;font-variant-numeric:tabular-nums;}

/* ===== 限时条 ===== */
.promo-band{
  background:var(--c-promo-050);
  border-radius:var(--radius-panel);
  border-left:4px solid var(--c-promo);
  border-right:4px solid var(--c-promo);
  padding:24px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.promo-band__left{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.promo-band__text{font-size:16px;font-weight:600;color:#8A3F0B;}
.countdown{
  display:flex;
  align-items:center;
  gap:6px;
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:#B85410;
  font-size:18px;
}
.countdown span{
  background:#fff;
  border-radius:8px;
  padding:4px 10px;
  box-shadow:var(--shadow-s1);
}

/* ===== FAQ ===== */
.faq{
  max-width:860px;
  margin-top:24px;
  display:grid;
  gap:14px;
}
.faq__item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-s1);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq__item.is-open{
  border-left:3px solid var(--c-brand);
  box-shadow:var(--shadow-s2);
}
.faq__q{margin:0;font-size:18px;}
.faq__btn{
  width:100%;
  min-height:64px;
  background:none;
  border:0;
  padding:14px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  font-size:18px;
  font-weight:600;
  color:var(--text);
}
.faq__btn:hover{color:var(--c-brand);}
.faq__icon{
  position:relative;
  width:16px;height:16px;
  flex-shrink:0;
  transition:transform .22s ease;
}
.faq__icon::before,
.faq__icon::after{
  content:"";
  position:absolute;
  background:var(--c-brand);
  border-radius:2px;
}
.faq__icon::before{left:0;top:7px;width:16px;height:2px;}
.faq__icon::after{left:7px;top:0;width:2px;height:16px;}
.faq__item.is-open .faq__icon{transform:rotate(45deg);}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq__a-inner{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}

/* ===== 表单 ===== */
.contact-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:start;
}
.contact-aside h2{font-size:28px;margin-bottom:14px;}
.contact-aside > p{font-size:15px;color:var(--muted);line-height:1.85;}
.contact-aside ul{margin-top:22px;display:grid;gap:12px;}
.contact-aside li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--text);
}
.contact-aside li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-brand);
  margin-top:12px;
  flex-shrink:0;
}
.contact-block{
  margin-top:28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:20px 22px;
  box-shadow:var(--shadow-s1);
}
.contact-block dt{font-size:13px;color:var(--muted);}
.contact-block dd{margin:2px 0 12px;font-size:16px;font-weight:600;color:var(--c-brand-700);}
.contact-block dd:last-child{margin-bottom:0;font-variant-numeric:tabular-nums;}

.form-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-s3);
  padding:32px;
}
.form-panel h3{font-size:20px;margin-bottom:6px;}
.form-panel__hint{font-size:13px;color:var(--muted);margin-bottom:22px;}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:500;color:var(--text);}
.field label em{color:var(--danger);font-style:normal;margin-left:2px;}
.field input,
.field select,
.field textarea{
  height:44px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  padding:0 14px;
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:hover,
.field select:hover,
.field textarea:hover{border-color:#BCCEDC;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 4px rgba(15,107,168,.14);
}
.field.is-error input,
.field.is-error select{border-color:var(--danger);}
.field__error{font-size:13px;color:var(--danger);display:none;}
.field.is-error .field__error{display:block;}
.checkline{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin-bottom:20px;
}
.checkline input{width:16px;height:16px;margin-top:4px;flex-shrink:0;accent-color:var(--c-brand);}
.checkline a{color:var(--c-brand);text-decoration:underline;}
.form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
  text-align:center;
}
.form-alert{
  display:none;
  align-items:center;
  gap:8px;
  background:var(--c-accent-050);
  color:#0E7C60;
  border-radius:var(--radius-btn);
  padding:12px 16px;
  font-size:14px;
  margin-bottom:18px;
}
.form-alert.is-show{display:flex;}

/* ===== 页脚 ===== */
.site-footer{
  background:#0E2A3D;
  color:#E8F1F6;
  padding:64px 0 0;
  margin-top:0;
}
.site-footer__main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:48px;
}
.site-footer .logo__text{color:#fff;}
.site-footer .logo__mark{background:rgba(255,255,255,.14);}
.site-footer p{
  margin-top:16px;
  font-size:14px;
  color:#A9C1CF;
  line-height:1.85;
  max-width:320px;
}
.site-footer h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.site-footer__links li{
  font-size:14px;
  color:#A9C1CF;
  line-height:40px;
}
.site-footer__links a{color:#A9C1CF;}
.site-footer__links a:hover{color:#fff;}
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#8FA9B8;
  flex-wrap:wrap;
}

/* ===== 抽屉 / 移动端 ===== */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(16,36,50,.45);
  z-index:110;
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:84vw;
  max-width:380px;
  background:#fff;
  z-index:120;
  transform:translateX(101%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-s3);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
}
.drawer__close{
  width:38px;height:38px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--radius-btn);
  font-size:18px;
  color:var(--muted);
}
.drawer__close:hover{color:var(--c-brand);border-color:var(--c-brand);}
.drawer__nav{padding:12px 12px;overflow-y:auto;flex:1;}
.drawer__nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--text);
}
.drawer__nav a:hover,
.drawer__nav a.is-active{background:var(--c-brand-050);color:var(--c-brand);font-weight:600;}
.drawer__sub{padding:4px 14px 8px 26px;display:grid;gap:2px;}
.drawer__sub a{min-height:40px;font-size:14px;color:var(--muted);}
.drawer__foot{
  padding:16px;
  border-top:1px solid var(--line);
  display:grid;
  gap:10px;
}
.drawer__foot .nav-phone{text-align:center;font-size:15px;}

.mobile-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:var(--shadow-s2);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  gap:12px;
  align-items:center;
}
.mobile-cta a{flex:1;}
.mobile-cta .btn{height:48px;width:100%;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:960px;padding:0 32px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .navmenu,.nav-actions{display:none;}
  .hamburger{display:inline-flex;}
  .page-hero{padding:48px 0 56px;}
  .page-hero__grid{grid-template-columns:1fr;gap:36px;}
  .page-hero h1{font-size:34px;}
  .hero-floatcard{right:12px;bottom:-20px;min-width:0;padding:14px 16px;}
  .section{padding:64px 0;}
  .layout-aside{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer__main{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8;padding-bottom:72px;}
  .container{padding:0 20px;}
  .topbar{font-size:12px;}
  .topbar .topbar__links{display:none;}
  .page-hero{padding:36px 0 48px;}
  .page-hero h1{font-size:28px;margin-top:14px;}
  .page-hero__lead{font-size:15px;}
  .hero-actions .btn{width:100%;height:48px;}
  .hero-actions{flex-direction:column;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .content-flow h2{font-size:20px;}
  .card-grid{grid-template-columns:1fr;}
  .feature-media{grid-template-columns:1fr;}
  .feature-media img{min-height:190px;max-height:220px;}
  .feature-media__body{padding:22px;}
  .form-panel{padding:22px;}
  .form-row{grid-template-columns:1fr;}
  .promo-band{padding:20px;flex-direction:column;align-items:flex-start;}
  .promo-band .btn--promo{width:100%;height:48px;}
  .faq__btn{font-size:16px;min-height:56px;padding:12px 18px;}
  .faq__a-inner{padding:0 18px 18px;}
  .site-footer{padding-top:48px;}
  .site-footer__main{grid-template-columns:1fr;}
  .site-footer__bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .mobile-cta{display:flex;}
  .card__body h3{font-size:18px;}
  .contact-aside h2{font-size:22px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:24px;}
  .hero-floatcard{position:static;margin-top:16px;width:100%;}
  .countdown span{padding:3px 8px;font-size:16px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F6BA8;
  --c-brand-700:#0C5687;
  --c-brand-100:#E4F0F8;
  --c-brand-050:#F2F8FC;
  --c-accent:#17B08A;
  --c-accent-050:#E6F7F2;
  --c-promo:#F07219;
  --c-promo-050:#FEF1E6;
  --c-bg:#F4F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF2;
  --c-text:#16242E;
  --c-text-2:#5B6F7E;
  --c-disabled:#A9B7C1;
  --c-success:#1E9E6A;
  --c-error:#D64545;
  --c-warn:#C98A0B;
  --c-dark:#0E2A3D;
  --s1:0 1px 2px rgba(16,38,54,.06);
  --s2:0 1px 2px rgba(16,38,54,.05),0 10px 24px rgba(16,38,54,.07);
  --s3:0 2px 4px rgba(16,38,54,.06),0 18px 40px rgba(16,38,54,.10);
  --r-card:12px;
  --r-panel:16px;
  --r-btn:10px;
  --r-img:10px;
  --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;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  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:inherit;text-decoration:none}
a:hover{color:var(--c-brand)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--c-text)}
h1{font-size:44px}
h2{font-size:28px}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--alt{background:var(--c-surface)}
.section__head{max-width:760px;margin-bottom:var(--sp-7)}
.section__head .eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-brand);background:var(--c-brand-100);border-radius:999px;padding:4px 12px;margin-bottom:var(--sp-3)}
.section__head h2{margin-bottom:var(--sp-3)}
.section__head p{color:var(--c-text-2);font-size:16px;line-height:1.85}
.rule{width:48px;height:4px;background:var(--c-brand);border-radius:2px;margin-bottom:var(--sp-4)}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-brand-700);color:#fff;font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar__links{display:flex;gap:var(--sp-5)}
.topbar a{color:#DCEBF5}
.topbar a:hover{color:#fff}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60}
.mainnav{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-stuck .mainnav{box-shadow:var(--s2)}
.mainnav .container{display:flex;align-items:center;gap:var(--sp-6);height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{width:32px;height:32px;border-radius:50%;background:var(--c-brand);display:flex;align-items:center;justify-content:center}
.logo__mark svg{width:20px;height:20px}
.logo__text{font-size:18px;font-weight:700;color:var(--c-brand);letter-spacing:.01em}
.navmenu{display:flex;align-items:center;gap:28px;margin-left:var(--sp-4)}
.navmenu__item{position:relative}
.navmenu__link{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:500;color:var(--c-text);padding:20px 0;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease}
.navmenu__link:hover{color:var(--c-brand);border-color:var(--c-brand-100)}
.navmenu__item.is-active .navmenu__link{color:var(--c-brand);border-color:var(--c-brand)}
.navmenu__caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);display:inline-block}
.dropdown{position:absolute;top:100%;left:-12px;width:240px;background:#fff;border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--s2);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease}
.navmenu__item:hover .dropdown,.navmenu__item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;font-size:14px;padding:10px 14px;border-radius:8px;border-left:3px solid transparent;color:var(--c-text-2)}
.dropdown a:hover{background:var(--c-brand-050);border-left-color:var(--c-brand);color:var(--c-brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:var(--sp-4)}
.nav-phone{font-size:14px;font-weight:600;color:var(--c-brand);white-space:nowrap}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;align-items:center;justify-content:center;cursor:pointer}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-brand);position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand)}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* ============ 频道条 / 面包屑 ============ */
.channelbar{background:#fff;border-bottom:1px solid var(--c-line)}
.channelbar .container{display:flex;align-items:center;gap:var(--sp-3);height:44px;overflow-x:auto;scrollbar-width:none}
.channelbar .container::-webkit-scrollbar{display:none}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);white-space:nowrap}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--c-disabled)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb [aria-current="page"]{color:var(--c-brand);font-weight:600}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;font-size:13px;color:var(--c-text-2);background:var(--c-brand-050);border:1px solid transparent;white-space:nowrap;transition:.18s ease}
.chip:hover{color:var(--c-brand);border-color:var(--c-brand-100)}
.chip.is-current{background:var(--c-brand-100);color:var(--c-brand);font-weight:600}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn--primary{background:var(--c-brand);color:#fff}
.btn--primary:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--s2)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{background:#fff;color:var(--c-brand);border-color:var(--c-brand)}
.btn--ghost:hover{background:var(--c-brand-050);color:var(--c-brand-700)}
.btn--promo{background:var(--c-promo);color:#fff}
.btn--promo:hover{background:#D9610D;color:#fff;transform:translateY(-1px);box-shadow:var(--s2)}
.btn--quiet{background:#fff;color:var(--c-brand);border-color:var(--c-line)}
.btn--quiet:hover{border-color:var(--c-brand);background:var(--c-brand-050)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.linkarrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);border-bottom:1px solid currentColor;padding-bottom:2px}
.linkarrow::after{content:"→";font-weight:400}
.linkarrow:hover{color:var(--c-brand-700)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--c-brand-100);color:var(--c-brand)}
.badge--state{background:var(--c-accent-050);color:var(--c-accent)}
.badge--promo{background:var(--c-promo-050);color:var(--c-promo)}

/* ============ 分类页横幅 + 层叠白卡 ============ */
.cat-hero{position:relative;padding-bottom:var(--sp-9)}
.cat-hero__banner{position:relative;height:240px;background:#D9E6EF url("/assets/images/backpic/back-2.png") center/cover no-repeat}
.cat-hero__banner::after{content:"";position:absolute;inset:0;background:rgba(15,107,168,.12)}
.cat-hero__card{position:relative;margin-top:-40px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-panel);box-shadow:var(--s3);padding:var(--sp-7);max-width:960px}
.cat-hero__card h1{font-size:44px;margin-bottom:var(--sp-4)}
.cat-hero__lead{font-size:18px;line-height:1.85;color:var(--c-text-2);max-width:720px}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-5)}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:var(--sp-4);margin-top:var(--sp-6)}

/* ============ 数据条 ============ */
.statrow{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);margin-top:var(--sp-7)}
.stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s1);padding:var(--sp-5);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--c-brand)}
.stat__label{font-size:13px;color:var(--c-text-2)}
.stat__value{font-size:20px;font-weight:700;color:var(--c-brand-700);margin-top:4px;font-variant-numeric:tabular-nums}
.stat__note{font-size:13px;color:var(--c-text-2);margin-top:4px}

/* ============ 卡片矩阵 ============ */
.grid{display:grid;gap:var(--sp-5)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.dcard{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.dcard:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:rgba(15,107,168,.25)}
.dcard__media{position:relative;aspect-ratio:16/9;background:#EDF2F6}
.dcard__media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.dcard__media .badge{position:absolute;left:12px;top:12px;background:#fff;box-shadow:var(--s1)}
.dcard__body{padding:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-3);flex:1}
.dcard__body h3{font-size:20px}
.dcard__desc{font-size:14px;line-height:1.75;color:var(--c-text-2)}
.dcard__list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.dcard__list li{position:relative;padding-left:16px;font-size:14px;color:var(--c-text-2)}
.dcard__list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.dcard__foot{margin-top:auto;padding-top:var(--sp-4);border-top:1px solid var(--c-line)}

/* ============ 横向滚动专题 ============ */
.scroller{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);gap:var(--sp-5);overflow-x:auto;padding-bottom:var(--sp-3);scroll-snap-type:x mandatory}
.scroller::-webkit-scrollbar{height:6px}
.scroller::-webkit-scrollbar-thumb{background:#CFDCE6;border-radius:3px}
.scard{scroll-snap-align:start;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.scard:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.scard img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.scard__body{padding:var(--sp-5);display:flex;flex-direction:column;gap:10px}
.scard__body h3{font-size:18px}
.scard__body p{font-size:14px;color:var(--c-text-2);line-height:1.75}
.scard__meta{font-size:13px;color:var(--c-text-2);display:flex;gap:10px;align-items:center}
.tipbar{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);margin-top:var(--sp-4)}

/* ============ 步骤时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);position:relative;margin-top:var(--sp-6)}
.steps::before{content:"";position:absolute;top:14px;left:6%;right:6%;height:2px;background:var(--c-line)}
.step{position:relative;padding-top:var(--sp-7)}
.step__dot{position:absolute;top:0;left:0;width:30px;height:30px;border-radius:50%;background:var(--c-brand);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 6px #fff}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto}
.faq__item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--s1);margin-bottom:var(--sp-4);overflow:hidden;transition:border-color .18s ease}
.faq__item[open]{border-color:rgba(15,107,168,.25);box-shadow:var(--s2);position:relative}
.faq__item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-brand)}
.faq__q{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);min-height:64px;padding:0 var(--sp-5);font-size:18px;font-weight:600;cursor:pointer;list-style:none}
.faq__q::-webkit-details-marker{display:none}
.faq__q::after{content:"+";font-size:24px;font-weight:400;color:var(--c-brand);transition:transform .2s ease;line-height:1}
.faq__item[open] .faq__q::after{transform:rotate(45deg)}
.faq__a{padding:0 var(--sp-5) var(--sp-5);font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ============ 咨询表单 ============ */
.contact{background:var(--c-surface)}
.contact__grid{display:grid;grid-template-columns:5fr 7fr;gap:var(--sp-8);align-items:start}
.contact__points{display:flex;flex-direction:column;gap:var(--sp-4);margin-top:var(--sp-5)}
.contact__points li{position:relative;padding-left:28px;font-size:15px;color:var(--c-text-2)}
.contact__points li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:50%;background:var(--c-accent-050);border:2px solid var(--c-accent)}
.contact__box{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);padding:var(--sp-5);margin-top:var(--sp-6)}
.contact__box h3{font-size:18px;margin-bottom:var(--sp-2)}
.contact__box p{font-size:14px;color:var(--c-text-2)}
.form{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-panel);box-shadow:var(--s3);padding:var(--sp-7)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-5)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:var(--sp-5)}
.field label{font-size:14px;font-weight:600}
.field input,.field select,.field textarea{height:44px;padding:0 14px;border:1px solid #D7E2EB;border-radius:var(--r-btn);background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:auto;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-brand);box-shadow:0 0 0 4px rgba(15,107,168,.14)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error)}
.field__hint{font-size:13px;color:var(--c-text-2)}
.field__error{font-size:13px;color:var(--c-error);display:none}
.field.has-error .field__error{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-text-2);margin-bottom:var(--sp-5)}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-brand)}
.form__notice{font-size:13px;color:var(--c-text-2);margin-top:var(--sp-4)}
.alert{display:none;background:var(--c-accent-050);color:var(--c-success);border-radius:var(--r-btn);padding:12px 16px;font-size:14px;margin-bottom:var(--sp-5)}
.alert.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#E8F1F6;padding-top:var(--sp-8)}
.site-footer .logo__text{color:#fff}
.site-footer .logo__mark{background:var(--c-brand)}
.site-footer__main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:var(--sp-7)}
.site-footer h4{font-size:16px;color:#fff;margin-bottom:var(--sp-4)}
.site-footer__brand p{font-size:14px;color:#A9C2D2;line-height:1.85;margin-top:var(--sp-4);max-width:340px}
.site-footer__links li{font-size:14px;color:#A9C2D2;line-height:40px}
.site-footer__links a{color:#A9C2D2}
.site-footer__links a:hover{color:#fff}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:var(--sp-4);justify-content:space-between;font-size:13px;color:#8FAEC2;padding:var(--sp-5) 0}

/* ============ 移动端抽屉 ============ */
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;background:#fff;z-index:90;transform:translateX(100%);transition:transform .26s ease;display:flex;flex-direction:column;box-shadow:var(--s3)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 var(--sp-5);border-bottom:1px solid var(--c-line)}
.drawer__close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;font-size:18px;color:var(--c-brand);cursor:pointer}
.drawer__nav{padding:var(--sp-3) 0;overflow-y:auto;flex:1}
.drawer__nav a{display:block;line-height:48px;padding:0 var(--sp-5);font-size:15px;border-bottom:1px solid var(--c-line);color:var(--c-text)}
.drawer__nav a.is-active{color:var(--c-brand);font-weight:600;border-left:3px solid var(--c-brand)}
.drawer__foot{padding:var(--sp-5);border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:10px}
.mask{position:fixed;inset:0;background:rgba(16,36,50,.45);z-index:80;opacity:0;visibility:hidden;transition:.2s ease}
.mask.is-open{opacity:1;visibility:visible}
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid var(--c-line);box-shadow:var(--s2);z-index:70;align-items:center;gap:var(--sp-3);padding:0 20px;padding-bottom:env(safe-area-inset-bottom)}
.mobile-cta a{flex:1}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px}
  h1{font-size:34px}
  .cat-hero__card h1{font-size:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .site-footer__main{grid-template-columns:1fr 1fr}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 24px}
  .navmenu,.nav-phone{display:none}
  .hamburger{display:flex}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .statrow{grid-template-columns:repeat(2,1fr)}
  .cat-hero__card{padding:var(--sp-6);margin-top:-32px}
  .contact__grid{grid-template-columns:1fr;gap:var(--sp-7)}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:24px}
  .container{padding:0 20px}
  .topbar__links{display:none}
  .cat-hero__banner{height:180px}
  .cat-hero__card{padding:var(--sp-5);margin-top:-24px}
  .cat-hero__card h1{font-size:28px}
  .cat-hero{padding-bottom:var(--sp-8)}
  .grid--3{grid-template-columns:1fr}
  .statrow{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form{padding:var(--sp-5)}
  .form__row{grid-template-columns:1fr}
  .btn{width:100%}
  .btn--sm{width:auto}
  .nav-actions .btn{width:auto}
  .section{padding:48px 0}
  .mobile-cta{display:flex}
  .site-footer{padding-bottom:56px}
  img{max-height:220px;object-fit:cover}
  .dcard__media img,.scard img{max-height:none}
}

/* roulang page: category3 */
:root{
  --c-brand:#0F6BA8;
  --c-brand-700:#0C5687;
  --c-brand-100:#E4F0F8;
  --c-brand-050:#F2F8FC;
  --c-accent:#17B08A;
  --c-accent-050:#E6F7F2;
  --c-promo:#F07219;
  --c-promo-050:#FEF1E6;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --text:#16242E;
  --muted:#5B6F7E;
  --disabled:#A9B7C1;
  --ok:#1E9E6A;
  --err:#D64545;
  --warn:#C98A0B;
  --r-card:12px;
  --r-panel:16px;
  --r-btn:10px;
  --r-img:10px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,38,54,.06);
  --s2:0 1px 2px rgba(16,38,54,.05),0 10px 24px rgba(16,38,54,.07);
  --s3:0 2px 4px rgba(16,38,54,.06),0 18px 40px rgba(16,38,54,.10);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;letter-spacing:-.2px}
p{margin:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.tabnum,.nav-phone,.timeline__num,.badge-num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--s2)}
.mainnav{background:#fff}
.mainnav .container{display:flex;align-items:center;gap:28px;height:64px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-brand);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
}
.logo__mark svg{width:20px;height:20px}
.logo__text{font-size:18px;font-weight:700;color:var(--c-brand);letter-spacing:.4px}

.navmenu{display:flex;align-items:center;gap:28px}
.navmenu__item{position:relative;display:flex;align-items:center;height:64px}
.navmenu__link{
  display:inline-flex;align-items:center;gap:4px;height:100%;
  font-size:14px;font-weight:500;color:var(--text);
  position:relative;transition:color .18s ease;
}
.navmenu__link:hover{color:var(--c-brand)}
.navmenu__caret{
  width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:transform .2s ease;
}
.navmenu__item:hover .navmenu__caret{transform:rotate(225deg) translateY(-1px)}
.navmenu__item.is-active .navmenu__link{color:var(--c-brand);font-weight:600}
.navmenu__item.is-active .navmenu__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-brand);border-radius:2px;
}
.dropdown{
  position:absolute;top:64px;left:-12px;width:240px;padding:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s2);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
  z-index:20;
}
.navmenu__item:hover .dropdown,.navmenu__item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:10px 12px;font-size:14px;border-radius:8px;
  border-left:3px solid transparent;transition:.16s ease;
}
.dropdown a:hover{background:var(--c-brand-050);border-left-color:var(--c-brand);color:var(--c-brand)}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-phone{font-size:14px;color:var(--muted);transition:color .18s ease}
.nav-phone:hover{color:var(--c-brand)}

.hamburger{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;cursor:pointer;
  border:1px solid var(--line);background:#fff;transition:.18s ease;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-brand);position:relative;border-radius:2px}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand);border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger:hover{border-color:var(--c-brand);background:var(--c-brand-050)}

/* ---------- 频道条 ---------- */
.channelbar{background:#fff;border-bottom:1px solid var(--line)}
.channelbar .container{
  display:flex;align-items:center;gap:12px;height:52px;
  overflow-x:auto;scrollbar-width:none;
}
.channelbar .container::-webkit-scrollbar{display:none}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex:0 0 auto}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--disabled)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb [aria-current="page"]{color:var(--c-brand);font-weight:600}
.channelbar__divider{width:1px;height:20px;background:var(--line);flex:0 0 auto}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;flex:0 0 auto;
  border-radius:var(--r-pill);font-size:13px;color:var(--muted);
  background:var(--c-brand-050);border:1px solid transparent;
  transition:.18s ease;white-space:nowrap;
}
.chip:hover{color:var(--c-brand);border-color:var(--c-brand-100)}
.chip.is-current{background:var(--c-brand);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--c-brand);color:#fff}
.btn--primary:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--s2)}
.btn--primary:active{transform:none;box-shadow:none}
.btn--ghost{background:#fff;color:var(--c-brand);border-color:var(--c-brand)}
.btn--ghost:hover{background:var(--c-brand-050)}
.btn--ghost:active{transform:translateY(1px)}
.btn--promo{background:var(--c-promo);color:#fff}
.btn--promo:hover{background:#D9620F;transform:translateY(-1px);box-shadow:var(--s2)}
.btn--promo:active{transform:none;box-shadow:none}
.btn--on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--on-dark:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
.section--alt{background:#fff}
.section--tight{padding-top:56px}
.section-head{max-width:900px;margin:0 auto 48px}
.section-head h2{font-size:28px}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-brand-100);color:var(--c-brand-700);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.eyebrow--accent{background:var(--c-accent-050);color:#0E7A5F}

/* ---------- 首屏 ---------- */
.page-hero{background:#fff;padding:64px 0 72px;border-bottom:1px solid var(--line)}
.hero-col{max-width:900px;margin:0 auto}
.page-hero__title{font-size:44px;font-weight:700;margin-top:20px;letter-spacing:-1px}
.page-hero__lead{font-size:18px;line-height:1.8;color:var(--muted);margin-top:18px;max-width:720px}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.page-hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:500;
  background:var(--c-brand-100);color:var(--c-brand-700);
}
.badge--accent{background:var(--c-accent-050);color:#0E7A5F}
.badge--promo{background:var(--c-promo-050);color:#B85510}
.page-hero__media{
  margin-top:40px;border-radius:var(--r-panel);overflow:hidden;
  background:var(--c-brand-050);box-shadow:var(--s2);border:1px solid var(--line);
}
.page-hero__media img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 图文交错 ---------- */
.feature{
  max-width:900px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.feature + .feature{margin-top:72px}
.feature--reverse .feature__media{order:2}
.feature__media{
  border-radius:var(--r-card);overflow:hidden;background:var(--c-brand-050);
  border:1px solid var(--line);box-shadow:var(--s1);
}
.feature__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.feature:hover .feature__media img{transform:scale(1.02)}
.feature__index{
  font-size:13px;font-weight:600;color:var(--c-brand);letter-spacing:1px;
}
.feature__title{font-size:24px;margin:10px 0 12px}
.feature__text{font-size:15px;color:var(--muted);line-height:1.8}
.feature__list{margin-top:18px;display:grid;gap:10px}
.feature__list li{position:relative;padding-left:20px;font-size:14px;color:var(--text)}
.feature__list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  border-radius:50%;background:var(--c-accent);
}

/* ---------- 时间线 ---------- */
.timeline{max-width:900px;margin:0 auto}
.timeline__item{position:relative;padding:0 0 40px 60px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";position:absolute;left:20px;top:44px;bottom:0;width:2px;background:var(--line);
}
.timeline__item:last-child::before{display:none}
.timeline__num{
  position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;
  background:var(--c-brand);color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:700;box-shadow:0 6px 16px rgba(15,107,168,.24);
}
.timeline__body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 26px;box-shadow:var(--s1);transition:.18s ease;
}
.timeline__item:hover .timeline__body{border-color:rgba(15,107,168,.25);box-shadow:var(--s2);transform:translateY(-2px)}
.timeline__title{font-size:20px;font-weight:600}
.timeline__text{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq__item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;transition:.18s ease;
}
.faq__item:hover{box-shadow:var(--s2)}
.faq__item.is-open{border-left-color:var(--c-brand);box-shadow:var(--s2)}
.faq__q{
  width:100%;min-height:64px;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;font-size:18px;font-weight:600;color:var(--text);cursor:pointer;
}
.faq__q:hover{color:var(--c-brand)}
.faq__icon{position:relative;width:16px;height:16px;flex:0 0 auto;transition:transform .22s ease}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px}
.faq__icon::before{left:0;right:0;top:50%;height:2px;transform:translateY(-50%)}
.faq__icon::after{top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%)}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq__a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- 深色 CTA 面板 ---------- */
.cta-panel{
  max-width:900px;margin:0 auto;
  background:var(--c-brand-700);border-radius:var(--r-panel);
  padding:48px;color:#fff;box-shadow:var(--s3);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-panel h2{font-size:28px;color:#fff}
.cta-panel p{margin-top:14px;font-size:15px;line-height:1.8;color:#CFE3F0;max-width:460px}
.cta-panel__actions{display:flex;flex-direction:column;gap:12px;flex:0 0 auto}

/* ---------- 咨询表单 ---------- */
.contact-wrap{
  max-width:1000px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1.35fr;gap:40px;align-items:start;
}
.fact-list{display:grid;gap:18px}
.fact-list li{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--s1);
}
.fact-list strong{display:block;font-size:15px;font-weight:600}
.fact-list span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}
.contact-note{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-card);
  background:var(--c-brand-050);border:1px solid var(--c-brand-100);
  font-size:13px;color:var(--c-brand-700);line-height:1.75;
}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--s3);padding:32px;
}
.form-grid{display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;font-size:14px;
  border:1px solid #D7E2EB;border-radius:var(--r-btn);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(15,107,168,.14);
}
.field input.is-invalid,.field select.is-invalid,.field textarea.is-invalid{border-color:var(--err)}
.field-error{display:block;margin-top:6px;font-size:13px;color:var(--err);line-height:1.6}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.checkbox input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--c-brand)}
.privacy-note{font-size:12px;color:var(--disabled);margin-top:10px}
.form-alert{
  display:flex;align-items:center;gap:10px;
  background:var(--c-accent-050);border:1px solid #BEE8DB;color:#0E7A5F;
  border-radius:var(--r-btn);padding:12px 16px;font-size:14px;
}
.form-alert[hidden]{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-700);color:#E8F1F6}
.site-footer .container{padding-top:64px;padding-bottom:22px}
.site-footer__main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.16);
}
.site-footer .logo__text{color:#fff}
.site-footer .logo__mark{background:rgba(255,255,255,.16)}
.site-footer__brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#BFD6E4;max-width:320px}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.site-footer__links li{font-size:14px;color:#BFD6E4;line-height:2.1}
.site-footer__links a{transition:color .18s ease}
.site-footer__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.site-footer__bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:20px;font-size:13px;color:#9FC0D3;
}

/* ---------- 移动端抽屉与吸底 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,36,50,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:#fff;z-index:100;padding:20px;
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;
  box-shadow:-12px 0 32px rgba(16,38,54,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer__close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  font-size:20px;line-height:1;color:var(--muted);cursor:pointer;transition:.18s ease;
}
.drawer__close:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-050)}
.drawer__nav{margin-top:12px;display:grid}
.drawer__nav a{
  height:48px;display:flex;align-items:center;font-size:15px;font-weight:500;
  border-bottom:1px solid var(--line);transition:color .18s ease;
}
.drawer__nav a:hover{color:var(--c-brand)}
.drawer__nav a.is-active{color:var(--c-brand);font-weight:600}
.drawer__foot{margin-top:auto;padding-top:20px;display:grid;gap:12px}
.drawer__phone{text-align:center;font-size:14px;color:var(--muted)}
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);box-shadow:var(--s2);
  padding:8px 20px calc(8px + env(safe-area-inset-bottom));
  gap:12px;
}
.mobile-cta .btn{flex:1;height:48px}
.mobile-cta__call{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:var(--r-btn);
  background:var(--c-brand-050);color:var(--c-brand);font-size:13px;font-weight:600;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--container:960px}
  .page-hero__title{font-size:38px}
}
@media (max-width:1023px){
  :root{--container:100%}
  .navmenu,.nav-actions{display:none}
  .hamburger{display:flex}
  .section{padding:64px 0}
  .feature{gap:32px}
  .cta-panel{padding:36px;flex-direction:column;align-items:flex-start}
  .cta-panel__actions{flex-direction:row;flex-wrap:wrap;width:100%}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .mainnav .container{height:58px;gap:16px}
  .page-hero{padding:40px 0 48px}
  .page-hero__title{font-size:34px;letter-spacing:-.5px}
  .page-hero__lead{font-size:16px}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .section-head h2,.cta-panel h2{font-size:24px}
  .feature{grid-template-columns:1fr;gap:20px}
  .feature--reverse .feature__media{order:0}
  .feature + .feature{margin-top:48px}
  .feature__title{font-size:20px}
  .timeline__item{padding:0 0 32px 52px}
  .timeline__item::before{left:17px;top:40px}
  .timeline__num{width:36px;height:36px;font-size:15px}
  .timeline__title{font-size:18px}
  .timeline__body{padding:18px 20px}
  .faq__q{font-size:16px;padding:16px 18px;min-height:56px}
  .faq__a p{padding:0 18px 18px}
  .cta-panel{padding:28px 24px}
  .contact-wrap{grid-template-columns:1fr;gap:28px}
  .form-card{padding:22px}
  .form-row{grid-template-columns:1fr}
  .site-footer__main{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px}
  .site-footer__links li{line-height:2}
  .site-footer__bottom{flex-direction:column;align-items:flex-start}
  .mobile-cta{display:flex}
  body{padding-bottom:72px}
  .badge{font-size:11px}
  .btn{height:48px;width:100%}
  .btn--sm{width:auto;height:44px}
  .cta-panel__actions .btn{width:100%}
}
@media (max-width:520px){
  .page-hero__title{font-size:28px}
  .page-hero__badges{gap:8px}
  .site-footer__main{grid-template-columns:1fr}
  .channelbar .container{height:48px}
}