/* roulang page: index */
:root{
  --brand:#1D5FA8;
  --brand-dark:#12477F;
  --brand-light:#E8F1FB;
  --teal:#17B890;
  --teal-soft:#E4F7F1;
  --orange:#F5A623;
  --orange-soft:#FEF3E2;
  --ink:#102033;
  --body:#344356;
  --muted:#5D6B7C;
  --line:#DDE8F2;
  --bg:#F7FAFD;
  --card:#FFFFFF;
  --success:#12A67A;
  --warn:#D97706;
  --error:#C2410C;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(17,42,70,.07);
  --shadow-hover:0 18px 42px rgba(17,42,70,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:0;line-height:1.32}
p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(29,95,168,.28);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.section-title{font-size:clamp(1.75rem,3vw,2.4rem)}
.section-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8;max-width:680px}
.section-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand);white-space:nowrap}
.section-link:hover{gap:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:700;letter-spacing:.2px;
  padding:8px 16px;border-radius:999px;border:1px solid #CFE2F6;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}

/* 顶部公告 */
.topbar{background:var(--brand-light);border-bottom:1px solid #CFE2F6;font-size:13px;color:var(--brand-dark)}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:14px;min-height:38px;padding:6px 0;text-align:center;position:relative}
.topbar-inner strong{font-weight:700}
.topbar-close{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:8px;color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:background .2s ease;
}
.topbar-close:hover{background:#D6E7F8}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(17,42,70,.04)}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand) 0%,#2B7FD4 55%,var(--teal) 100%);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.brand-mark svg{width:26px;height:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.4px}
.nav-list{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{
  display:inline-block;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--body);position:relative;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.nav-link.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--body);
  border:1px solid transparent;transition:all .2s ease;
}
.mega-trigger:hover,.nav-mega.is-open .mega-trigger{background:var(--brand-light);color:var(--brand-dark);border-color:#CFE2F6}
.mega-trigger svg{transition:transform .2s ease}
.nav-mega:hover .mega-trigger svg,.nav-mega.is-open .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:700px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:0 24px 60px rgba(17,42,70,.14);
  padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  z-index:90;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel,.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:1px;margin-bottom:14px}
.mega-links{display:flex;flex-direction:column;gap:6px}
.mega-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:14px;font-weight:600;color:var(--body);
  border:1px solid transparent;transition:all .2s ease;
}
.mega-links a:hover{background:var(--brand-light);border-color:#CFE2F6;color:var(--brand-dark)}
.mega-links a span.arrow{color:var(--brand);font-size:14px}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:#fff;transition:all .22s ease;
}
.mega-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#C6DCF2}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{padding:12px 14px 14px}
.mega-card-body strong{display:block;font-size:14px;color:var(--ink);line-height:1.5;font-weight:700}
.mega-card-body em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 24px;height:48px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:all .2s ease;border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(29,95,168,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(29,95,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(29,95,168,.22)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFD8F2}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-text{height:auto;padding:6px 0;color:var(--brand);font-weight:700;background:none;border:0}
.btn-text::after{content:"→";transition:transform .2s ease;display:inline-block}
.btn-text:hover::after{transform:translateX(4px)}
.btn-block{width:100%}
.nav-toggle-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;background:#fff}
.nav-toggle-btn span{display:block;width:20px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle-btn span::before,.nav-toggle-btn span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle-btn span::before{top:-6px}
.nav-toggle-btn span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,51,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:95}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s ease;
  padding:22px 20px 40px;overflow-y:auto;box-shadow:-18px 0 44px rgba(17,42,70,.16);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .mobile-drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);background:#fff}
.drawer-close:hover{background:var(--brand-light);color:var(--brand-dark)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{display:block;padding:13px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--body);border:1px solid var(--line);background:#fff}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand-dark);border-color:#CFE2F6}
.drawer-block{border-top:1px solid var(--line);padding-top:18px}
.drawer-block h4{font-size:13px;color:var(--muted);letter-spacing:1px;margin-bottom:12px}
.drawer-block a{display:block;padding:10px 14px;border-radius:10px;font-size:14px;color:var(--body);background:#F4F8FD;margin-bottom:8px;font-weight:600}
.drawer-block a:hover{background:var(--brand-light);color:var(--brand-dark)}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EFF6FD 0%,#F7FAFD 62%,#F7FAFD 100%);padding:76px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(29,95,168,.07) 0 1px,transparent 1px 26px);
  opacity:.9;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:560px;height:560px;border-radius:50%;
  border:60px solid rgba(23,184,144,.07);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy{max-width:640px}
.hero-title{font-size:clamp(2.1rem,4.4vw,3.4rem);margin:20px 0 20px;letter-spacing:-.2px}
.hero-title .hl{color:var(--brand);position:relative;white-space:nowrap}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:rgba(23,184,144,.18);border-radius:6px;z-index:-1}
.hero-sub{font-size:17px;line-height:1.9;color:var(--body);max-width:560px}
.hero-cta{display:flex;align-items:center;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-trust{display:flex;gap:28px;margin-top:38px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-weight:600}
.trust-item i{
  width:22px;height:22px;border-radius:50%;background:var(--teal-soft);color:#0E9377;
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:13px;flex-shrink:0;
}
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:24px;overflow:hidden;background:#fff;
  box-shadow:0 22px 52px rgba(17,42,70,.14);border:1px solid #D7E6F5;
}
.hero-card img{width:100%;height:400px;object-fit:cover}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,32,51,0) 40%,rgba(16,32,51,.42) 100%);
}
.hero-info{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:16px;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px solid rgba(255,255,255,.7);backdrop-filter:blur(6px);
}
.hero-info strong{display:block;font-size:15px;color:var(--ink);font-weight:800}
.hero-info span{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.hero-info .btn{height:40px;padding:0 18px;font-size:14px}
.hero-badge{
  position:absolute;right:-10px;top:20px;z-index:3;
  background:var(--orange);color:#fff;font-size:13px;font-weight:800;
  padding:9px 18px;border-radius:999px 6px 6px 999px;box-shadow:0 10px 22px rgba(245,166,35,.35);
}
.stats-bar{
  margin-top:56px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);
  padding:26px 12px;position:relative;
}
.stat{text-align:center;padding:8px 18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(1.4rem,2.4vw,1.9rem);color:var(--brand);font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:6px}

/* 阶梯 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;box-shadow:var(--shadow);transition:all .22s ease;
}
.step-card::before{
  content:"";position:absolute;left:100%;top:52px;width:22px;height:2px;
  background-image:linear-gradient(90deg,#BBD4EE 50%,transparent 0);background-size:8px 2px;
}
.step-card:last-child::before{display:none}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C6DCF2}
.step-card.is-current{background:linear-gradient(180deg,#F2F8FF 0%,#FFFFFF 100%);border-color:#BFD8F2;border-top:3px solid var(--brand)}
.step-num{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;color:var(--brand);background:var(--brand-light);
  border:2px solid #CFE2F6;margin-bottom:18px;
}
.step-card.is-current .step-num{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px rgba(29,95,168,.26)}
.step-title{font-size:1.18rem;font-weight:800;color:var(--ink)}
.step-desc{font-size:14px;color:var(--muted);line-height:1.85;margin-top:10px}
.step-tag{
  display:inline-block;margin-top:16px;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:999px;background:var(--teal-soft);color:#0E9377;
}
.step-tag.tag-warn{background:var(--orange-soft);color:#B26A00}

/* 套餐对比 */
.plan-wrap{overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.plan-table{
  display:grid;grid-template-columns:170px repeat(3,1fr);min-width:820px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
}
.plan-cell{padding:18px 20px;border-bottom:1px solid var(--line);font-size:15px;display:flex;align-items:center}
.plan-cell.head{padding:26px 20px;border-bottom:2px solid var(--line);flex-direction:column;align-items:flex-start;gap:8px}
.plan-cell.label{background:#F4F8FD;font-weight:700;color:var(--ink);font-size:14px}
.plan-cell.value{color:var(--body)}
.plan-cell.value.center{justify-content:flex-start}
.plan-name{font-size:1.15rem;font-weight:800;color:var(--ink)}
.plan-note{font-size:13px;color:var(--muted);font-weight:600}
.plan-price{font-size:1.5rem;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.plan-price small{font-size:13px;color:var(--muted);font-weight:600;margin-left:2px}
.plan-cell.reco{background:linear-gradient(180deg,#F2F8FF 0%,#FFFFFF 100%);border-left:2px solid var(--brand);border-right:2px solid var(--brand)}
.plan-cell.head.reco{border-top:3px solid var(--brand)}
.plan-cell.head.reco::after{
  content:"推荐";position:absolute;transform:translate(96px,-26px);
  background:var(--orange);color:#fff;font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px;
}
.plan-cell.head{position:relative}
.plan-table > .plan-cell:nth-last-child(-n+4){border-bottom:0}
.plan-foot{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}

/* 限时条 */
.timer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);
  border-radius:var(--radius-md);padding:26px 30px;box-shadow:var(--shadow);
}
.timer-copy strong{display:block;font-size:1.2rem;color:var(--ink);font-weight:800}
.timer-copy span{display:block;font-size:14px;color:var(--muted);margin-top:6px}
.timer-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.timer-clock{
  display:flex;align-items:center;gap:8px;font-family:"DIN Alternate",Bahnschrift,"Segoe UI",monospace;
  background:var(--orange-soft);color:#8A5000;font-weight:800;font-size:16px;
  padding:10px 18px;border-radius:12px;letter-spacing:1px;font-variant-numeric:tabular-nums;
}
.timer-clock em{font-style:normal;font-size:12px;font-weight:700;color:#B26A00;letter-spacing:0}

/* 表单 */
.form-section{background:linear-gradient(180deg,#F7FAFD 0%,#EEF5FC 100%)}
.form-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.form-aside h2{font-size:clamp(1.7rem,2.8vw,2.2rem);margin-bottom:16px}
.form-aside p{color:var(--body);font-size:15px;line-height:1.9}
.contact-list{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--body)}
.contact-list i{
  width:34px;height:34px;border-radius:10px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--brand);font-style:normal;font-size:15px;
}
.contact-list strong{display:block;color:var(--ink);font-weight:700;font-size:14px}
.contact-list span{color:var(--muted);font-size:13px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:32px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--error);margin-left:2px}
.input,.textarea{
  width:100%;height:50px;padding:0 16px;border:1px solid var(--line);border-radius:12px;
  background:#FBFDFF;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.textarea{height:auto;min-height:120px;padding:14px 16px;line-height:1.8;resize:vertical}
.input:hover,.textarea:hover{border-color:#C6DCF2;background:#fff}
.input:focus,.textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(29,95,168,.12)}
.field-hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin:6px 0 22px}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:all .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C6DCF2}
.news-cover{position:relative;overflow:hidden;background:#EEF5FC}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.95);color:var(--brand-dark);
  font-size:12px;font-weight:800;padding:5px 12px;border-radius:999px;border:1px solid #CFE2F6;
}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:1.06rem;font-weight:800;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--brand-dark)}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.85;margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px;font-size:13px;color:var(--muted)}
.news-meta .go{color:var(--brand);font-weight:700}
.news-grid > .news-card:first-child{grid-column:span 2;grid-row:span 2}
.news-grid > .news-card:first-child .news-cover img{aspect-ratio:16/8}
.news-grid > .news-card:first-child .news-title{font-size:1.45rem;-webkit-line-clamp:3}
.news-grid > .news-card:first-child .news-excerpt{-webkit-line-clamp:4}
.empty-state{
  background:#fff;border:1px dashed #C6DCF2;border-radius:var(--radius-lg);
  padding:64px 24px;text-align:center;
}
.empty-state .ico{
  width:64px;height:64px;border-radius:20px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:26px;
}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state .btn{margin-top:20px}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:#BFD8F2;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  transition:all .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--body);line-height:1.9;border-top:1px solid #EDF4FB;padding-top:16px;margin:0 24px 22px;padding-left:0;padding-right:0;padding-bottom:0}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(120deg,#12477F 0%,#1D5FA8 58%,#198F86 100%);
  color:#fff;padding:56px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;bottom:-120px;width:380px;height:380px;border-radius:50%;
  border:52px solid rgba(255,255,255,.08);
}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.1rem);position:relative}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:12px;max-width:560px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}
.cta-actions .btn-primary{background:#fff;color:var(--brand-dark)}
.cta-actions .btn-primary:hover{background:#EAF3FC;color:var(--brand-dark)}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

/* 页脚 */
.footer{background:#F1F7FD;border-top:1px solid var(--line);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:340px}
.footer-col h4{font-size:14px;color:var(--ink);font-weight:800;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);font-weight:500}
.footer-col a:hover{color:var(--brand);}
.footer-col li{font-size:14px;color:var(--muted)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom .copy{line-height:1.8}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 28px}
  .hero{padding:64px 0 76px}
  .hero-grid{gap:40px}
  .hero-card img{height:360px}
  .nav-list{gap:0}
  .nav-link{padding:10px 11px;font-size:14.5px}
  .mega-trigger{padding:10px 11px;font-size:14.5px}
}
@media (max-width:1023px){
  .nav-list,.nav-mega,.nav-actions .btn{display:none}
  .nav-toggle-btn{display:flex}
  .nav-wrap{min-height:68px;justify-content:space-between}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-card img{height:340px}
  .hero-visual{order:2}
  .hero-copy{max-width:none}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:0;padding:12px}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:16px}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-card::before{display:none}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 32px}
  .section{padding:72px 0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid > .news-card:first-child{grid-column:span 2;grid-row:auto}
  .news-grid > .news-card:first-child .news-cover img{aspect-ratio:16/9}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head{margin-bottom:28px;gap:14px}
  .hero{padding:44px 0 56px}
  .hero-title{font-size:clamp(1.85rem,7vw,2.4rem)}
  .hero-title .hl{white-space:normal}
  .hero-sub{font-size:15.5px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 auto;min-width:150px}
  .hero-card img{height:280px}
  .hero-info{position:static;margin:0;border-radius:0 0 20px 20px;border:0;background:#fff;backdrop-filter:none;padding:16px 18px}
  .hero-card::after{display:none}
  .hero-badge{right:10px;top:14px;padding:7px 14px;font-size:12px}
  .hero-trust{gap:14px;margin-top:26px}
  .trust-item{font-size:13px}
  .steps{grid-template-columns:1fr}
  .plan-table{min-width:720px}
  .timer-bar{padding:20px 20px}
  .timer-right{width:100%;justify-content:space-between}
  .form-card{padding:22px}
  .form-row{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-grid > .news-card:first-child{grid-column:span 1}
  .faq-item summary{padding:16px 50px 16px 18px;font-size:15px}
  .faq-item .faq-body{margin:0 18px 18px}
  .cta-band{padding:34px 22px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer{padding:44px 0 0;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .step-card{padding:22px 20px}
}
@media (max-width:519px){
  .btn{width:100%}
  .hero-info{flex-direction:column;align-items:flex-start;gap:12px}
  .hero-info .btn{width:100%}
  .stats-bar{grid-template-columns:1fr}
  .stat{border-right:0 !important;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .news-body{padding:18px}
  .topbar-inner{font-size:12px;padding-right:30px}
}

/* roulang page: article */
:root{
  --primary:#1D5FA8;
  --primary-dark:#12477F;
  --primary-soft:#E8F1FB;
  --teal:#17B890;
  --teal-soft:#E4F7F1;
  --orange:#F5A623;
  --orange-soft:#FFF4E0;
  --ink:#102033;
  --text:#344356;
  --muted:#5D6B7C;
  --border:#DDE8F2;
  --bg:#F7FAFD;
  --card:#FFFFFF;
  --error:#C2410C;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 6px 18px rgba(17,42,70,.06);
  --shadow:0 12px 30px rgba(17,42,70,.07);
  --shadow-lg:0 18px 42px rgba(17,42,70,.12);
  --container:1240px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.4em}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(29,95,168,.32);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}

/* ---------- 顶部公告条 ---------- */
.notice-bar{background:var(--primary-soft);border-bottom:1px solid var(--border);font-size:13.5px;color:var(--primary-dark)}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px}
.notice-inner p{display:flex;align-items:center;gap:10px;line-height:1.5}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);flex:0 0 auto;box-shadow:0 0 0 3px rgba(23,184,144,.18)}
.notice-close{border:0;background:transparent;color:var(--primary-dark);font-size:20px;line-height:1;cursor:pointer;padding:2px 8px;border-radius:8px;transition:background .2s ease}
.notice-close:hover{background:rgba(29,95,168,.12)}
.notice-bar.is-hidden{display:none}

/* ---------- 头部与导航 ---------- */
.header-main{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(29,95,168,.28)}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:12.5px;color:var(--muted);letter-spacing:1.4px}
.header-nav{display:flex;align-items:center;justify-content:space-between;gap:22px;flex:1 1 auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:wrap;padding:0;margin:0;list-style:none}
.nav-link{display:inline-block;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);position:relative;white-space:nowrap;transition:background .2s ease,color .2s ease}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--primary)}
.nav-extra{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.mega{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:14.5px;font-weight:600;color:var(--primary-dark);cursor:pointer;transition:all .2s ease}
.mega-toggle:hover,.mega-toggle:focus-visible{background:var(--primary-soft);border-color:#BBD6F0}
.mega-toggle svg{width:12px;height:12px;transition:transform .2s ease}
.mega:hover .mega-toggle svg,.mega:focus-within .mega-toggle svg{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:680px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:22px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease,visibility .22s ease;z-index:70}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;letter-spacing:1.2px;color:var(--muted);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-links{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.mega-links a{display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--text);border:1px solid transparent;transition:all .2s ease}
.mega-links a:hover,.mega-links a:focus-visible{background:var(--primary-soft);border-color:#C9DEF5;color:var(--primary-dark)}
.mega-card{display:flex;gap:12px;align-items:center;padding:10px;border:1px solid var(--border);border-radius:14px;transition:all .2s ease}
.mega-card:hover{border-color:#BBD6F0;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.mega-card img{width:74px;height:56px;object-fit:cover;border-radius:9px;flex:0 0 auto}
.mega-card strong{display:block;font-size:14px;color:var(--ink);line-height:1.5}
.mega-card span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.mega-card+.mega-card{margin-top:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;text-align:center;line-height:1.3}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(29,95,168,.2)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(29,95,168,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(29,95,168,.24)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-soft{background:var(--primary-soft);color:var(--primary-dark);border-color:#C9DEF5}
.btn-soft:hover{background:#D8E8F9;color:var(--primary-dark)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:11px}
.btn-block{width:100%}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 文章头部 ---------- */
.article-head{background:linear-gradient(180deg,#EDF5FC 0%,#F7FAFD 100%);border-bottom:1px solid var(--border);padding:26px 0 46px;position:relative;overflow:hidden}
.article-head::after{content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(23,184,144,.13) 0%,rgba(23,184,144,0) 68%);pointer-events:none}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px;position:relative;z-index:2}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B7C6D6}
.breadcrumb .cur{color:var(--text);font-weight:600}
.article-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--teal-soft);color:#0E8A6B;font-size:13px;font-weight:700;letter-spacing:.5px}
.article-title{font-size:clamp(1.85rem,3.4vw,2.7rem);line-height:1.4;font-weight:800;color:var(--ink);margin:18px 0 0;max-width:960px;position:relative;z-index:2;letter-spacing:0}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:14px;color:var(--muted);position:relative;z-index:2}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:1.8}
.meta-pill{background:#fff;border:1px solid var(--border);border-radius:999px;padding:5px 13px;color:var(--primary-dark);font-weight:600}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,860px) 320px;gap:48px;justify-content:space-between;align-items:start;padding:56px 0 80px}
.article-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:44px 48px}
.lead-text{font-size:17px;line-height:1.95;color:var(--text);padding-bottom:26px;margin-bottom:26px;border-bottom:1px dashed var(--border)}

.article-body{font-size:17px;line-height:1.92;color:var(--text);word-break:break-word}
.article-body h2{font-size:clamp(1.35rem,2vw,1.6rem);font-weight:800;color:var(--ink);line-height:1.5;margin:2.1em 0 .85em;padding-left:14px;border-left:4px solid var(--primary);border-radius:2px;letter-spacing:0}
.article-body h3{font-size:1.22rem;font-weight:700;color:var(--ink);line-height:1.55;margin:1.8em 0 .7em;letter-spacing:0}
.article-body h4{font-size:1.05rem;font-weight:700;color:var(--ink);margin:1.5em 0 .6em}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.45em}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--primary)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary-dark)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.4em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 15px;text-align:left;vertical-align:top}
.article-body th{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0}
.article-body code{background:#F1F5FA;border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--primary-dark)}
.article-body pre{background:#0F1F33;color:#E8F1FB;border-radius:12px;padding:18px 20px;overflow-x:auto;margin:1.5em 0}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}

.article-empty{text-align:center;padding:56px 20px}
.article-empty h2{font-size:1.6rem;color:var(--ink);margin-bottom:14px}
.article-empty p{color:var(--muted);margin-bottom:26px}

.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.tag-list li{padding:6px 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:600}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--primary)}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px}
.side-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--teal)}
.side-links{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;border-radius:10px;border:1px solid transparent;font-size:14.5px;color:var(--text);font-weight:500;transition:all .2s ease}
.side-links a:hover{background:var(--primary-soft);border-color:#C9DEF5;color:var(--primary-dark);transform:translateX(2px)}
.side-links a::after{content:"›";color:#9DB4C9;font-size:16px;line-height:1}
.side-check{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.side-check li{display:flex;gap:10px;font-size:14px;line-height:1.72;color:var(--text)}
.side-check li .tick{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--teal-soft);color:#0E8A6B;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-top:2px}
.side-card.help{background:linear-gradient(155deg,#12477F 0%,#1D5FA8 100%);border-color:transparent;color:#DCE9F7}
.side-card.help h3{color:#fff}
.side-card.help h3::before{background:var(--teal)}
.side-card.help p{font-size:14px;line-height:1.8;color:#C8DCF2;margin-bottom:18px}
.side-card.help .btn{background:#fff;color:var(--primary-dark);width:100%}
.side-card.help .btn:hover{background:#EAF3FC;color:var(--primary-dark)}
.side-note{font-size:12.5px;color:#A9C6E8;margin-top:12px;line-height:1.7}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;color:var(--ink);letter-spacing:0}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.related-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:18px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:inherit}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C4DBF3;color:inherit}
.related-card .thumb{overflow:hidden;border-radius:12px;aspect-ratio:4/3}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;margin-bottom:8px}
.related-card .body p{font-size:13.8px;color:var(--muted);line-height:1.75;margin-bottom:12px}
.related-card .body .more{font-size:13.5px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px}
.cta-box{position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(130deg,#12477F 0%,#1D5FA8 58%,#17786A 100%);padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;box-shadow:0 22px 48px rgba(18,71,127,.24)}
.cta-box::before{content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 70%)}
.cta-box .cta-text{position:relative;z-index:2;max-width:640px}
.cta-box h2{font-size:clamp(1.45rem,2.4vw,1.95rem);font-weight:800;color:#fff;line-height:1.45;letter-spacing:0}
.cta-box p{color:#C9DEF3;font-size:15px;margin-top:12px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-actions .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 10px 24px rgba(6,30,58,.22)}
.cta-actions .btn-primary:hover{background:#E9F3FC;color:var(--primary-dark)}
.cta-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.footer{background:#F2F7FC;border-top:1px solid var(--border);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin-top:18px;max-width:340px}
.footer-col h4{font-size:14.5px;font-weight:800;color:var(--ink);margin-bottom:18px;letter-spacing:.4px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--muted);line-height:1.7}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding:22px 0 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.footer-bottom .copy{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .article-panel{padding:36px 32px}
  .mega-panel{width:600px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .header-inner{min-height:70px;gap:16px}
  .menu-toggle{display:inline-flex}
  .header-nav{position:fixed;top:0;right:0;width:86%;max-width:380px;height:100vh;background:#fff;box-shadow:-16px 0 48px rgba(17,42,70,.18);flex-direction:column;align-items:stretch;justify-content:flex-start;gap:18px;padding:84px 24px 32px;transform:translateX(102%);transition:transform .28s ease;z-index:90;overflow-y:auto}
  .header-nav.is-open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{display:block;padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .nav-extra{flex-direction:column;align-items:stretch;gap:12px;padding-top:16px;border-top:1px solid var(--border)}
  .mega{width:100%}
  .mega-toggle{width:100%;justify-content:space-between}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;border:1px solid var(--border);grid-template-columns:1fr;padding:16px;margin-top:10px;display:none}
  .mega.is-open .mega-panel{display:grid}
  .mega:hover .mega-panel{display:none}
  .mega.is-open:hover .mega-panel{display:grid}
  .article-layout{grid-template-columns:1fr;gap:32px;padding:40px 0 64px}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .related-grid{grid-template-columns:1fr}
  .cta-box{padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-head{padding:20px 0 34px}
  .article-title{font-size:1.7rem}
  .article-panel{padding:26px 20px;border-radius:var(--radius)}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:1.25rem}
  .article-body h3{font-size:1.12rem}
  .side-col{flex-direction:column}
  .related-card{grid-template-columns:1fr}
  .related-card .thumb{aspect-ratio:16/9}
  .cta-box{padding:32px 24px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-brand p{max-width:none}
  .mega-card img{width:64px;height:48px}
}
@media (max-width:520px){
  .notice-inner p{font-size:12.5px}
  .brand-name{font-size:16px}
  .brand-sub{font-size:11.5px;letter-spacing:1px}
  .article-title{font-size:1.5rem}
  .article-meta{gap:8px 14px;font-size:13px}
  .article-badge{font-size:12px}
  .btn{padding:12px 20px;font-size:14.5px}
  .btn-sm{padding:10px 16px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
    --brand:#1D5FA8;
    --brand-dark:#12477F;
    --brand-light:#E8F1FB;
    --mint:#17B890;
    --amber:#F5A623;
    --ink:#102033;
    --text:#344356;
    --muted:#5D6B7C;
    --line:#DDE8F2;
    --bg:#F7FAFD;
    --surface:#FFFFFF;
    --success:#12A67A;
    --warn:#D97706;
    --error:#C2410C;
    --radius-lg:20px;
    --radius:16px;
    --radius-sm:12px;
    --shadow:0 12px 30px rgba(17,42,70,.07);
    --shadow-hover:0 18px 42px rgba(17,42,70,.12);
    --container:1240px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,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;border:0;}
  a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--brand-dark);}
  button{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:0;line-height:1.35;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;}
  :focus-visible{outline:3px solid rgba(29,95,168,.35);outline-offset:2px;border-radius:8px;}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
  .section{padding:72px 0;}
  .section-tight{padding:48px 0;}
  .section-head{max-width:760px;margin-bottom:36px;}
  .section-head h2{font-size:clamp(1.6rem,2.6vw,2.15rem);}
  .section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}
  .eyebrow-line{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--brand-dark);
    background:var(--brand-light);border-radius:999px;padding:6px 14px;
    margin-bottom:16px;
  }

  /* 公告条 */
  .announce{background:var(--brand-light);border-bottom:1px solid var(--line);color:var(--brand-dark);font-size:13.5px;}
  .announce-inner{display:flex;align-items:center;justify-content:center;gap:14px;min-height:40px;position:relative;padding:0 32px;text-align:center;}
  .announce-close{
    position:absolute;right:20px;top:50%;transform:translateY(-50%);
    width:26px;height:26px;border:0;border-radius:8px;background:transparent;
    color:var(--brand-dark);cursor:pointer;display:grid;place-items:center;font-size:16px;line-height:1;
    transition:background .2s ease;
  }
  .announce-close:hover{background:rgba(29,95,168,.12);}

  /* 头部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:20px;min-height:78px;}
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:42px;height:42px;border-radius:13px;flex:none;
    background:linear-gradient(135deg,#1D5FA8,#17B890);
    display:grid;place-items:center;
    box-shadow:0 8px 18px rgba(29,95,168,.24);
  }
  .brand-mark svg{width:22px;height:22px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-name{font-size:17px;font-weight:800;color:var(--ink);}
  .brand-sub{font-size:12px;color:var(--muted);letter-spacing:.5px;}

  .nav-list{display:flex;align-items:center;gap:4px;flex:1;margin-left:6px;}
  .nav-link{
    position:relative;padding:9px 13px;border-radius:999px;
    font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;
    transition:background .2s ease,color .2s ease;
  }
  .nav-link:hover{background:var(--brand-light);color:var(--brand-dark);}
  .nav-link.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
    border-radius:2px;background:var(--brand);
  }

  .header-actions{display:flex;align-items:center;gap:12px;flex:none;}
  .mega-wrap{position:relative;}
  .mega-trigger{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 14px;border-radius:999px;border:1px solid var(--line);
    background:#fff;color:var(--text);font-size:14.5px;font-weight:600;cursor:pointer;
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .mega-trigger:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff;}
  .mega-trigger .caret{font-size:10px;transition:transform .2s ease;color:var(--muted);}
  .mega-wrap.is-open .mega-trigger .caret{transform:rotate(180deg);}
  .mega-panel{
    position:absolute;right:0;top:calc(100% + 14px);width:680px;
    background:#fff;border:1px solid var(--line);border-radius:18px;
    box-shadow:var(--shadow-hover);padding:22px;
    display:grid;grid-template-columns:1fr 1.05fr;gap:22px;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel,
  .mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
  .mega-col h4{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.5px;margin-bottom:12px;}
  .mega-links{list-style:none;display:grid;gap:6px;}
  .mega-links a{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 12px;border-radius:12px;font-size:14.5px;color:var(--text);
    border:1px solid transparent;transition:.2s ease;
  }
  .mega-links a:hover{background:var(--brand-light);border-color:#CFE2F6;color:var(--brand-dark);}
  .mega-links a span.arrow{color:var(--brand);font-size:13px;}
  .mega-card{
    display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
    background:#fff;transition:.22s ease;
  }
  .mega-card:hover{border-color:#CFE2F6;box-shadow:var(--shadow);transform:translateY(-2px);}
  .mega-card img{width:100%;height:104px;object-fit:cover;}
  .mega-card-body{padding:12px 14px 16px;}
  .mega-card-body h5{margin:0 0 6px;font-size:14.5px;color:var(--ink);font-weight:700;line-height:1.5;}
  .mega-card-body p{margin:0;font-size:13px;color:var(--muted);line-height:1.7;}

  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    background:#fff;cursor:pointer;place-items:center;transition:.2s ease;
  }
  .nav-toggle:hover{border-color:var(--brand);}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 24px;border-radius:12px;border:1px solid transparent;
    font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;
    transition:transform .18s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(29,95,168,.22);}
  .btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(29,95,168,.28);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(29,95,168,.22);}
  .btn-ghost{background:#fff;color:var(--brand-dark);border-color:#BFD8F0;}
  .btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
  .btn-light{background:#fff;color:var(--brand-dark);}
  .btn-light:hover{background:#F0F6FD;color:var(--brand-dark);transform:translateY(-2px);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
  .btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
  .btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--brand-dark);
  }
  .btn-text .arrow{transition:transform .2s ease;}
  .btn-text:hover .arrow{transform:translateX(3px);}

  /* 面包屑 */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);padding:18px 0 0;
  }
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B7C7D8;}

  /* Hero */
  .hero{
    position:relative;overflow:hidden;
    padding:34px 0 72px;
    background:
      radial-gradient(900px 380px at 82% 8%,rgba(23,184,144,.10),transparent 62%),
      radial-gradient(760px 340px at 6% 22%,rgba(29,95,168,.10),transparent 60%),
      linear-gradient(180deg,#F1F8FE 0%,#F7FAFD 100%);
  }
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(115deg,rgba(29,95,168,.055) 0 2px,transparent 2px 26px);
    opacity:.9;
  }
  .hero::after{
    content:"";position:absolute;left:-10%;right:-10%;bottom:-140px;height:260px;pointer-events:none;
    background:radial-gradient(60% 100% at 50% 100%,rgba(23,184,144,.10),transparent 70%);
  }
  .hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);color:var(--brand-dark);
    font-size:13px;font-weight:700;padding:7px 15px;border-radius:999px;
    box-shadow:0 6px 16px rgba(17,42,70,.06);
  }
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);flex:none;}
  .hero h1{
    font-size:clamp(2.05rem,3.6vw,3rem);
    margin:18px 0 16px;
    letter-spacing:-.2px;
  }
  .hero .lead{font-size:17px;color:var(--muted);max-width:34em;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-meta{
    list-style:none;display:flex;flex-wrap:wrap;gap:28px;
    margin-top:30px;padding-top:22px;border-top:1px solid var(--line);
    font-size:14px;color:var(--muted);
  }
  .hero-meta li{display:flex;align-items:baseline;gap:6px;}
  .hero-meta strong{font-size:20px;font-weight:800;color:var(--brand-dark);}
  .hero-visual{position:relative;}
  .hero-card{
    position:relative;border-radius:22px;overflow:hidden;background:#fff;
    box-shadow:var(--shadow-hover);border:1px solid #E6F0FA;
  }
  .hero-card img{width:100%;height:362px;object-fit:cover;}
  .hero-badge{
    position:absolute;top:16px;left:16px;
    background:rgba(255,255,255,.95);color:var(--brand-dark);
    font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:999px;
    box-shadow:0 6px 16px rgba(17,42,70,.12);
  }
  .hero-overlay{
    position:absolute;left:14px;right:14px;bottom:14px;
    background:rgba(255,255,255,.95);border-radius:16px;
    padding:14px 16px;font-size:13.6px;line-height:1.75;color:var(--text);
    box-shadow:0 10px 24px rgba(17,42,70,.10);
  }
  .hero-overlay p{margin-top:8px;}

  .tag{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
    background:var(--brand-light);color:var(--brand-dark);
  }
  .tag-mint{background:rgba(23,184,144,.12);color:#0E8B6B;}
  .tag-amber{background:rgba(245,166,35,.16);color:#9A6300;}

  /* 布局 */
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 344px;gap:32px;align-items:start;}
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px;box-shadow:var(--shadow);
  }
  .card + .card{margin-top:24px;}
  .card h2{font-size:1.4rem;margin-bottom:8px;}
  .card .card-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px;}

  /* 时间线 */
  .timeline{list-style:none;position:relative;}
  .timeline::before{
    content:"";position:absolute;left:23px;top:10px;bottom:14px;width:2px;
    background:linear-gradient(180deg,var(--brand),var(--mint));opacity:.32;border-radius:2px;
  }
  .timeline li{position:relative;padding:0 0 26px 70px;}
  .timeline li:last-child{padding-bottom:0;}
  .step-num{
    position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
    background:#fff;border:2px solid var(--brand);color:var(--brand-dark);
    display:grid;place-items:center;font-weight:800;font-size:16px;
    box-shadow:0 8px 18px rgba(29,95,168,.14);
  }
  .timeline li h3{font-size:1.12rem;margin:4px 0 6px;}
  .timeline li p{font-size:15px;color:var(--text);}
  .timeline li .hint{
    display:inline-flex;margin-top:10px;font-size:12.5px;font-weight:700;
    color:#0E8B6B;background:rgba(23,184,144,.10);padding:4px 10px;border-radius:999px;
  }

  /* 检查清单 */
  .checklist{
    list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;
  }
  .checklist li{
    display:flex;gap:11px;align-items:flex-start;
    background:var(--brand-light);border:1px solid #D5E6F8;border-radius:14px;
    padding:14px 16px;font-size:14.6px;color:var(--text);line-height:1.7;
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .checklist li:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(17,42,70,.08);}
  .checklist .tick{
    flex:none;width:20px;height:20px;border-radius:50%;background:var(--success);color:#fff;
    display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;
  }

  /* 三列提示卡 */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .tip-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:22px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE2F6;}
  .icon-badge{
    width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
    background:var(--brand-light);color:var(--brand-dark);font-weight:800;font-size:15px;
  }
  .tip-card h3{font-size:16px;margin:14px 0 8px;}
  .tip-card p{font-size:14px;color:var(--muted);line-height:1.75;}

  /* 侧栏 */
  .side-col{position:sticky;top:96px;display:grid;gap:20px;}
  .side-block{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:22px;box-shadow:var(--shadow);
  }
  .side-block h3{font-size:15px;margin-bottom:14px;color:var(--ink);}
  .toc-list{list-style:none;display:grid;gap:4px;}
  .toc-list a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:10px 12px;border-radius:11px;font-size:14.2px;color:var(--text);
    transition:background .2s ease,color .2s ease;
  }
  .toc-list a:hover,.toc-list a:focus-visible{background:var(--brand-light);color:var(--brand-dark);}
  .toc-list a .idx{font-size:12px;color:var(--muted);font-weight:700;}
  .toc-list a:hover .idx{color:var(--brand);}

  .side-card{
    background:linear-gradient(180deg,#E8F1FB 0%,#F7FAFD 100%);
    border:1px solid #D5E6F8;border-radius:var(--radius);padding:22px;
  }
  .side-card h3{font-size:15px;margin-bottom:10px;}
  .side-card p{font-size:14px;color:var(--muted);line-height:1.75;}
  .side-card .meta-list{list-style:none;display:grid;gap:9px;margin:14px 0 18px;font-size:13.8px;color:var(--text);}
  .side-card .meta-list li{display:flex;gap:8px;align-items:flex-start;}
  .side-card .meta-list .k{color:var(--muted);flex:none;}
  .side-thumb{border-radius:14px;overflow:hidden;border:1px solid var(--line);margin-bottom:14px;}
  .side-thumb img{width:100%;height:128px;object-fit:cover;transition:transform .35s ease;}
  .side-thumb:hover img{transform:scale(1.04);}

  /* FAQ */
  .faq-wrap{max-width:880px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:#CFE2F6;box-shadow:0 10px 24px rgba(17,42,70,.06);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
  }
  .faq-q .mark{
    flex:none;width:28px;height:28px;border-radius:50%;
    background:var(--brand-light);color:var(--brand-dark);
    display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
    transition:background .2s ease,color .2s ease,transform .25s ease;
  }
  .faq-item.is-open .faq-q .mark{background:var(--brand);color:#fff;transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text);line-height:1.85;}

  /* CTA */
  .cta-band{
    position:relative;overflow:hidden;border-radius:24px;
    padding:52px;
    background:linear-gradient(135deg,#12477F 0%,#1D5FA8 62%,#1A6FA8 100%);
    color:#fff;box-shadow:0 24px 48px rgba(18,71,127,.24);
  }
  .cta-band::before{
    content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(23,184,144,.32),transparent 68%);
  }
  .cta-band::after{
    content:"";position:absolute;left:-40px;bottom:-90px;width:420px;height:200px;
    background:radial-gradient(60% 100% at 30% 100%,rgba(255,255,255,.14),transparent 70%);
  }
  .cta-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;}
  .cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.05rem);}
  .cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;margin-top:14px;max-width:34em;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
  .cta-note{
    position:relative;margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.22);
    font-size:13.5px;color:rgba(255,255,255,.78);
  }

  /* 页脚 */
  .footer{background:#fff;border-top:1px solid var(--line);margin-top:80px;padding-top:56px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px;}
  .footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:30em;line-height:1.8;}
  .footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
  .footer-col ul{list-style:none;display:grid;gap:10px;font-size:14px;color:var(--muted);}
  .footer-col a{color:var(--muted);}
  .footer-col a:hover{color:var(--brand-dark);}
  .footer-bottom{
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
    border-top:1px solid var(--line);margin-top:44px;padding:20px 0;
    font-size:13px;color:var(--muted);
  }

  /* 移动抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(16,32,51,.42);
    opacity:0;visibility:hidden;transition:.25s ease;z-index:70;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:86%;max-width:368px;
    background:#fff;z-index:80;transform:translateX(102%);
    transition:transform .28s ease;box-shadow:-18px 0 40px rgba(17,42,70,.18);
    padding:20px 22px 32px;overflow-y:auto;
  }
  .drawer.is-open{transform:none;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
  .drawer-close{
    width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;
    font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;color:var(--muted);
  }
  .drawer-close:hover{border-color:var(--brand);color:var(--brand-dark);}
  .drawer-nav{display:grid;gap:6px;margin-bottom:22px;}
  .drawer-nav a{
    display:block;padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text);
    border:1px solid transparent;
  }
  .drawer-nav a:hover{background:var(--brand-light);color:var(--brand-dark);}
  .drawer-nav a.is-active{background:var(--brand-light);color:var(--brand-dark);border-color:#CFE2F6;}
  .drawer-group h4{font-size:13px;color:var(--muted);margin-bottom:10px;font-weight:700;letter-spacing:.4px;}
  .drawer-group .mega-card{margin-bottom:12px;}
  .drawer .btn{width:100%;margin-top:6px;}

  /* 响应式 */
  @media (max-width:1279px){
    .container{padding:0 28px;}
    .hero-inner{gap:38px;}
    .mega-panel{width:620px;}
  }
  @media (max-width:1024px){
    .nav-list{display:none;}
    .mega-wrap{display:none;}
    .nav-toggle{display:grid;}
    .hero{padding:26px 0 56px;}
    .hero-inner{grid-template-columns:1fr;gap:32px;}
    .hero-card img{height:300px;}
    .layout{grid-template-columns:1fr;}
    .side-col{position:static;}
    .grid-3{grid-template-columns:1fr 1fr;}
    .cta-inner{grid-template-columns:1fr;gap:24px;}
    .cta-actions{justify-content:flex-start;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:768px){
    body{font-size:15.5px;}
    .container{padding:0 20px;}
    .section{padding:52px 0;}
    .hero h1{font-size:clamp(1.85rem,6.2vw,2.4rem);}
    .hero .lead{font-size:15.5px;}
    .card{padding:22px;}
    .checklist{grid-template-columns:1fr;}
    .grid-3{grid-template-columns:1fr;}
    .cta-band{padding:32px 24px;border-radius:20px;}
    .faq-q{font-size:15px;padding:16px 18px;}
    .faq-a p{padding:0 18px 18px;font-size:14.5px;}
    .footer{margin-top:56px;padding-top:44px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .hero-meta{gap:18px;}
  }
  @media (max-width:520px){
    .hero-actions .btn{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .hero-card img{height:240px;}
    .brand-name{font-size:16px;}
    .header-inner{min-height:70px;}
    .announce-inner{font-size:12.5px;padding:0 44px;}
  }

/* roulang page: category2 */
:root{
  --primary:#1D5FA8;
  --primary-dark:#12477F;
  --primary-light:#E8F1FB;
  --primary-soft:#F2F7FD;
  --accent:#17B890;
  --accent-light:#E4F7F1;
  --warm:#F5A623;
  --warm-light:#FDF3E2;
  --ink:#102033;
  --body:#344356;
  --muted:#5D6B7C;
  --line:#DDE8F2;
  --bg:#F7FAFD;
  --card:#FFFFFF;
  --success:#12A67A;
  --warn:#D97706;
  --err:#C2410C;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(17,42,70,.07);
  --shadow-hover:0 18px 42px rgba(17,42,70,.12);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;letter-spacing:0;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--ink);}
:focus-visible{outline:3px solid rgba(29,95,168,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部公告 ---------- */
.topbar{background:var(--primary-light);border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;}
.topbar-text{font-size:14px;color:var(--primary-dark);}
.topbar-close{font-size:18px;line-height:1;color:var(--primary-dark);padding:4px 8px;border-radius:8px;transition:background .2s ease;}
.topbar-close:hover{background:rgba(29,95,168,.12);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:80px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary) 0%,#2B7BCB 60%,var(--accent) 130%);
  box-shadow:0 8px 18px rgba(29,95,168,.25);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.5px;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:8px;flex-wrap:nowrap;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--body);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-link.is-active{background:var(--primary-light);color:var(--primary-dark);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(29,95,168,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(29,95,168,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(29,95,168,.22);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary);padding:6px 0;}
.btn-text .arrow{transition:transform .2s ease;}
.btn-text:hover .arrow{transform:translateX(3px);}

/* Mega */
.mega{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--body);border:1px solid var(--line);background:#fff;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.mega-toggle:hover,.mega-toggle[aria-expanded="true"]{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary-light);}
.mega-toggle .chev{width:12px;height:12px;transition:transform .2s ease;}
.mega-toggle[aria-expanded="true"] .chev{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:720px;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(17,42,70,.16);
  display:grid;grid-template-columns:1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:12px;text-transform:uppercase;}
.mega-links li + li{margin-top:4px;}
.mega-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--body);
  transition:background .2s ease,color .2s ease;
}
.mega-links a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.mega-links a span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0;}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:14px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px);}
.mega-card img{width:76px;height:56px;object-fit:cover;border-radius:10px;}
.mega-card strong{display:block;font-size:14px;color:var(--ink);font-weight:700;line-height:1.5;}
.mega-card small{display:block;font-size:12px;color:var(--muted);}

/* 移动端菜单按钮 */
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:86%;max-width:380px;z-index:90;
  background:#fff;border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(17,42,70,.18);
  transform:translateX(105%);transition:transform .28s ease;padding:22px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);font-size:20px;line-height:1;display:grid;place-items:center;}
.drawer-nav{display:grid;gap:6px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--body);background:var(--primary-soft);}
.drawer-nav a.is-active{background:var(--primary-light);color:var(--primary-dark);}
.drawer-cta{margin-top:18px;}
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,51,.42);z-index:80;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.breadcrumb li::after{content:"/";margin-left:8px;color:#B9C8D8;}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:52px 0 76px;
  background-image:linear-gradient(115deg,rgba(247,250,253,.96) 0%,rgba(247,250,253,.88) 45%,rgba(232,241,251,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  border:64px solid rgba(23,184,144,.06);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:700;letter-spacing:.02em;box-shadow:0 6px 16px rgba(29,95,168,.08);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{margin:20px 0 16px;font-size:clamp(2.1rem,4vw,3.2rem);line-height:1.24;}
.hero-lead{font-size:17px;color:var(--body);max-width:600px;}
.hero-desc{margin-top:16px;font-size:15.5px;color:var(--muted);max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-point{
  display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:10px;
  background:rgba(255,255,255,.86);border:1px solid var(--line);font-size:13.5px;color:var(--body);font-weight:600;
}
.hero-point svg{width:16px;height:16px;color:var(--accent);flex-shrink:0;}
.hero-visual{position:relative;}
.hero-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid #fff;}
.hero-img img{width:100%;height:360px;object-fit:cover;transition:transform .4s ease;}
.hero-img:hover img{transform:scale(1.03);}
.hero-float{
  position:absolute;left:-24px;bottom:26px;background:rgba(255,255,255,.95);border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);max-width:260px;
}
.hero-float strong{display:block;font-size:15px;color:var(--ink);}
.hero-float small{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}
.corner-badge{
  position:absolute;top:18px;right:18px;padding:6px 14px;border-radius:999px;
  background:var(--warm);color:#4A2E00;font-size:12.5px;font-weight:800;box-shadow:0 8px 18px rgba(245,166,35,.35);
}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section.is-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;background:var(--accent-light);
  color:#0E8A6B;font-size:12.5px;font-weight:800;letter-spacing:.04em;margin-bottom:14px;
}
.section-title{font-size:clamp(1.6rem,2.6vw,2.2rem);}
.section-sub{margin-top:14px;color:var(--muted);font-size:15.5px;}

/* ---------- 权益阶梯 ---------- */
.stairs{position:relative;}
.stair-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.stair-track::before{
  content:"";position:absolute;top:34px;left:6%;right:6%;height:0;
  border-top:2px dashed #C9DCEE;z-index:0;
}
.stair-card{
  position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stair-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C6DEF5;}
.stair-card.is-current{border-top:3px solid var(--primary);background:var(--primary-soft);}
.stair-num{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;margin-bottom:16px;
  background:#fff;border:2px solid #C9DCEE;color:var(--primary);font-weight:800;font-size:17px;
}
.stair-card.is-done .stair-num{background:var(--accent);border-color:var(--accent);color:#fff;}
.stair-card.is-current .stair-num{background:var(--primary);border-color:var(--primary);color:#fff;}
.stair-card h3{font-size:1.1rem;margin-bottom:8px;}
.stair-card p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.stair-state{display:inline-block;margin-top:14px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;}
.stair-state.done{background:var(--accent-light);color:#0E8A6B;}
.stair-state.now{background:#E1EEFB;color:var(--primary-dark);}
.stair-state.next{background:#F1F5F9;color:var(--muted);}

/* ---------- 权益卡 ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.benefit-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C6DEF5;}
.benefit-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--primary-light);color:var(--primary);
}
.benefit-icon svg{width:22px;height:22px;}
.benefit-card h3{font-size:1.12rem;margin-bottom:10px;}
.benefit-card p{font-size:14.5px;color:var(--muted);}
.benefit-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{display:inline-block;padding:4px 10px;border-radius:8px;font-size:12px;font-weight:700;background:var(--primary-soft);color:var(--primary-dark);}
.chip.green{background:var(--accent-light);color:#0E8A6B;}
.chip.warm{background:var(--warm-light);color:#96610A;}

/* ---------- 方案对比 ---------- */
.compare-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;}
.compare-grid{display:grid;grid-template-columns:210px repeat(3,1fr);}
.compare-row{display:contents;}
.cell{padding:18px 20px;border-bottom:1px solid var(--line);font-size:14.5px;display:flex;align-items:center;}
.cell.dim{color:var(--ink);font-weight:700;background:var(--primary-soft);}
.cell.val{color:var(--body);justify-content:flex-start;}
.cell.val.is-rec{background:rgba(232,241,251,.55);font-weight:700;color:var(--primary-dark);}
.plan-head{
  position:relative;padding:26px 20px;border-bottom:1px solid var(--line);text-align:center;
}
.plan-head .plan-name{font-size:1.05rem;font-weight:800;color:var(--ink);}
.plan-head .plan-note{font-size:12.5px;color:var(--muted);margin-top:4px;}
.plan-head.is-rec{background:var(--primary-light);border-top:3px solid var(--primary);margin-top:-8px;padding-top:34px;border-radius:14px 14px 0 0;}
.plan-head .corner{
  position:absolute;top:10px;left:50%;transform:translateX(-50%);
  padding:3px 12px;border-radius:999px;background:var(--warm);color:#4A2E00;font-size:11.5px;font-weight:800;white-space:nowrap;
}
.plan-head.cornerless{padding-top:34px;}
.compare-foot{padding:20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;background:#FCFEFF;}
.compare-foot p{font-size:13.5px;color:var(--muted);}
.cell .mark-yes{color:var(--success);font-weight:800;}
.cell .mark-no{color:#9AAABB;font-weight:700;}

/* ---------- 限时入口 ---------- */
.limited{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--line);border-left:5px solid var(--warm);
  border-radius:var(--radius-md);padding:24px 28px;box-shadow:var(--shadow);
}
.limited h3{font-size:1.15rem;margin-bottom:6px;}
.limited p{font-size:14.5px;color:var(--muted);}
.limited-right{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.time-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:10px;
  background:var(--warm-light);color:#96610A;font-weight:800;font-size:14px;
  font-family:"DIN Alternate","Bahnschrift","PingFang SC",system-ui,sans-serif;letter-spacing:.02em;
}
.time-tag svg{width:16px;height:16px;}

/* ---------- 咨询表单 ---------- */
.consult{background:linear-gradient(180deg,#F2F7FD 0%,#F7FAFD 100%);}
.consult-grid{display:grid;grid-template-columns:5fr 6fr;gap:44px;align-items:start;}
.consult-info h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:16px;}
.consult-info p{color:var(--muted);font-size:15.5px;}
.consult-list{margin-top:26px;display:grid;gap:14px;}
.consult-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--body);}
.consult-list svg{width:20px;height:20px;color:var(--accent);flex-shrink:0;margin-top:3px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--err);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:50px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFEFF;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;padding:12px 14px;min-height:120px;resize:vertical;line-height:1.7;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#BFD7EE;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(29,95,168,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);background:#FFF7F5;}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:6px;}
.field .error-text{display:none;font-size:12.5px;color:var(--err);margin-top:6px;font-weight:600;}
.field.has-error .error-text{display:block;}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.checkbox input{width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--primary);}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:12px;
  background:var(--accent-light);border:1px solid #B7E8DA;color:#0E8A6B;font-size:14px;font-weight:600;
}
.form-success.is-visible{display:block;}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#C6DEF5;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:60px;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);font-weight:800;font-size:16px;line-height:1;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.faq-item[open] .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.85;}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 62%,#2E8C8F 130%);
  border-radius:var(--radius-lg);padding:46px;color:#fff;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:24px;box-shadow:0 20px 46px rgba(18,71,127,.24);
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem);}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:8px;max-width:620px;}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-ghost:hover{background:#fff;color:var(--primary-dark);}
.cta-band .btn-light{background:#fff;color:var(--primary-dark);}
.cta-band .btn-light:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:60px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:320px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--muted);}
.footer-col a{color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
}
.footer-bottom .copy{font-size:13px;color:var(--muted);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 28px;}
  .nav-link{padding:10px 11px;font-size:14.5px;}
  .header-inner{gap:18px;}
}
@media (max-width:1100px){
  .mega-panel{width:620px;}
  .hero-grid{gap:32px;}
  .hero-img img{height:320px;}
}
@media (max-width:1024px){
  .nav-list{display:none;}
  .mega{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{min-height:72px;}
  .hero{padding:40px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-img img{height:300px;}
  .hero-float{left:16px;bottom:16px;max-width:230px;}
  .section{padding:64px 0;}
  .benefit-grid{grid-template-columns:repeat(2,1fr);}
  .stair-track{grid-template-columns:repeat(2,1fr);}
  .stair-track::before{display:none;}
  .consult-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .compare-grid{grid-template-columns:160px repeat(3,1fr);}
  .cell{padding:14px 14px;font-size:14px;}
}
@media (max-width:860px){
  .compare-grid{grid-template-columns:1fr;border-radius:var(--radius-md);}
  .compare-row{display:block;padding:0;border-bottom:1px solid var(--line);}
  .compare-row:first-child{display:grid;}
  .cell{border-bottom:none;padding:8px 18px;}
  .cell.dim{background:var(--primary-soft);padding:12px 18px;border-radius:0;width:100%;font-size:14px;}
  .cell.val{padding-left:18px;}
  .cell.val::before{
    content:attr(data-plan);display:inline-block;margin-right:10px;font-size:12.5px;font-weight:800;
    color:var(--muted);background:#F1F5F9;border-radius:6px;padding:1px 8px;
  }
  .plan-head{border-radius:0;margin-top:0;padding:18px;}
  .plan-head.is-rec{margin-top:0;border-top:3px solid var(--primary);border-radius:0;}
  .compare-row:first-child .plan-head{border-bottom:1px solid var(--line);}
  .compare-row:first-child .cell.dim{display:none;}
  .limited{padding:20px;}
  .cta-band{padding:32px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .hero h1{font-size:clamp(1.85rem,7vw,2.4rem);}
  .hero-lead{font-size:16px;}
  .hero-cta .btn{flex:1 1 auto;}
  .benefit-grid{grid-template-columns:1fr;}
  .stair-track{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;}
  .cta-band{padding:26px;}
  .section{padding:52px 0;}
}
@media (max-width:520px){
  .topbar-text{font-size:12.5px;line-height:1.6;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:11px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-points{gap:8px;}
  .hero-point{font-size:12.5px;padding:7px 11px;}
  .limited-right{width:100%;}
  .limited-right .btn{width:100%;}
  .compare-foot{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --primary:#1D5FA8;
  --primary-dark:#12477F;
  --primary-light:#E8F1FB;
  --teal:#17B890;
  --teal-light:#E6F8F3;
  --orange:#F5A623;
  --orange-light:#FEF4E3;
  --ink:#102033;
  --text:#344356;
  --muted:#5D6B7C;
  --border:#DDE8F2;
  --bg:#F7FAFD;
  --card:#FFFFFF;
  --success:#12A67A;
  --error:#C2410C;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 6px 18px rgba(17,42,70,.06);
  --shadow:0 12px 30px rgba(17,42,70,.07);
  --shadow-lg:0 18px 42px rgba(17,42,70,.12);
  --container:1240px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:0;line-height:1.3}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem)}
h2{font-size:clamp(1.7rem,2.9vw,2.35rem)}
h3{font-size:1.35rem}
h4{font-size:1.125rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--text)}
:focus-visible{outline:3px solid rgba(29,95,168,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999}
.skip-link:focus{left:0;color:#fff}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--primary-light);border-bottom:1px solid var(--border);font-size:13.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar p{display:flex;align-items:center;gap:8px;margin:0;color:var(--primary-dark);line-height:1.5}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);flex:none;box-shadow:0 0 0 3px rgba(23,184,144,.16)}
.topbar-close{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border:none;border-radius:8px;background:transparent;color:var(--primary-dark);flex:none;transition:background var(--ease)}
.topbar-close:hover{background:rgba(29,95,168,.12)}
.topbar.is-hidden{display:none}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;flex:none;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#2C7FC9);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(29,95,168,.24);flex:none}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:11.5px;font-weight:600;color:var(--primary);letter-spacing:2px}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;transition:background var(--ease),color var(--ease)}
.nav-link:hover{background:var(--primary-light);color:var(--primary)}
.nav-link.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;margin-left:8px}

/* Mega 面板 */
.mega{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);font-size:15px;font-weight:600;transition:border-color var(--ease),color var(--ease),background var(--ease)}
.mega-trigger:hover,.mega.is-open .mega-trigger{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.mega-trigger svg{transition:transform var(--ease)}
.mega.is-open .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:660px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:22px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);z-index:80;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.mega-title{font-size:12.5px;font-weight:700;letter-spacing:1.5px;color:var(--muted);margin-bottom:12px}
.mega-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--text);transition:background var(--ease),color var(--ease)}
.mega-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.mega-link span.arrow{color:var(--primary);font-size:13px}
.mega-card{display:block;border:1px solid var(--border);border-radius:var(--radius);padding:12px;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
.mega-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.mega-card img{width:100%;height:96px;object-fit:cover;border-radius:10px;margin-bottom:10px}
.mega-card strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.5}
.mega-card em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:4px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:var(--radius-sm);font-size:15.5px;font-weight:700;border:1px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(29,95,168,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(18,71,127,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(18,71,127,.24)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary);padding:12px 4px}
.btn-ghost .arrow{transition:transform var(--ease)}
.btn-ghost:hover .arrow{transform:translateX(3px)}
.btn-sm{padding:10px 18px;font-size:14.5px}
.btn-block{width:100%}
.btn-muted{background:#fff;color:var(--text);border-color:var(--border)}
.btn-muted:hover{border-color:var(--primary);color:var(--primary)}

/* 移动端菜单 */
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--ink)}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,51,.42);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:88%;max-width:380px;height:100%;background:#fff;z-index:100;transform:translateX(100%);transition:transform 260ms ease;display:flex;flex-direction:column;box-shadow:-20px 0 50px rgba(16,32,51,.18)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{width:38px;height:38px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}
.drawer-body{padding:18px 16px 28px;overflow-y:auto}
.drawer-link{display:block;padding:13px 14px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--text);margin-bottom:6px}
.drawer-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-link.is-active{background:var(--primary-light);color:var(--primary-dark)}
.drawer-sep{height:1px;background:var(--border);margin:16px 6px}
.drawer-note{font-size:13px;color:var(--muted);padding:0 14px;line-height:1.7}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EFF6FD 0%,#F7FAFD 78%);border-bottom:1px solid var(--border)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(29,95,168,.055) 0 1px,transparent 1px 28px);
  pointer-events:none;
}
.hero-deco{position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(23,184,144,.12),transparent 66%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding-top:56px;padding-bottom:72px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span[aria-current]{color:var(--primary-dark);font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.5px;box-shadow:var(--shadow-sm);margin-bottom:22px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.page-hero h1{margin-bottom:20px;max-width:15em}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--text);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:var(--muted)}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--teal-light);border:2px solid var(--teal);flex:none}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:400px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.hero-badge{position:absolute;top:18px;left:18px;background:rgba(255,255,255,.94);color:var(--primary-dark);font-size:12.5px;font-weight:700;letter-spacing:1px;padding:8px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero-note{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.95);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);border-left:4px solid var(--orange)}
.hero-note strong{display:block;font-size:14px;color:var(--ink);margin-bottom:4px}
.hero-note span{font-size:13.5px;color:var(--muted);line-height:1.6;display:block}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;color:var(--teal);margin-bottom:12px}
.section-title{margin-bottom:14px}
.section-desc{font-size:16px;color:var(--muted);line-height:1.9}

/* ---------- 对比表 ---------- */
.compare-shell{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.compare-scroll{overflow-x:auto;padding-bottom:2px}
.compare{min-width:880px;display:block}
.compare-row{display:grid;grid-template-columns:210px repeat(3,1fr);align-items:stretch;border-bottom:1px solid var(--border)}
.compare-row:last-child{border-bottom:none}
.cell{padding:18px 20px;font-size:14.5px;color:var(--text);border-right:1px solid var(--border);display:flex;align-items:center}
.cell:last-child{border-right:none}
.cell-dim{font-weight:700;color:var(--ink);background:#FAFCFE;font-size:14.5px}
.compare-head .cell{padding-top:26px;padding-bottom:26px;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;background:#FAFCFE}
.compare-head .cell-dim{justify-content:center;align-items:flex-start;font-size:13px;letter-spacing:1px;color:var(--muted);font-weight:700}
.plan-name{font-size:17px;font-weight:800;color:var(--ink)}
.plan-note{font-size:13px;color:var(--muted);font-weight:400;line-height:1.6}
.plan-flag{display:inline-block;background:var(--orange);color:#fff;font-size:11.5px;font-weight:800;letter-spacing:1px;padding:3px 10px;border-radius:999px;margin-bottom:2px}
.cell.is-featured{background:var(--primary-light)}
.compare-head .cell.is-featured{border-left:2px solid var(--primary);border-right:2px solid var(--primary);box-shadow:inset 0 4px 0 var(--primary)}
.compare-row:last-child .cell.is-featured{border-bottom:2px solid var(--primary);border-radius:0 0 14px 14px}
.compare-row .cell.is-featured{font-weight:600;color:var(--primary-dark)}
.cell .mark-yes{display:inline-flex;align-items:center;gap:7px}
.cell .mark-yes::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--teal);flex:none;box-shadow:inset 0 0 0 4px var(--teal-light)}
.compare-hint{display:none;text-align:center;font-size:13px;color:var(--muted);padding:12px 16px;background:#FAFCFE;border-top:1px solid var(--border);margin:0}

/* ---------- 场景卡 ---------- */
.scenario-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:26px}
.scenario-main{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.scenario-main img{width:100%;height:240px;object-fit:cover;border-radius:0}
.scenario-body{padding:28px 30px 30px}
.scenario-body h3{margin-bottom:12px}
.scenario-body p{color:var(--muted);font-size:15px}
.scenario-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{display:inline-block;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:var(--teal-light);color:#0B7A60}
.tag-blue{background:var(--primary-light);color:var(--primary-dark)}
.tag-orange{background:var(--orange-light);color:#A96A05}
.scenario-side{display:grid;gap:26px;align-content:start}
.mini-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C9DEF2}
.mini-card h4{margin-bottom:10px;font-size:1.15rem}
.mini-card p{font-size:14.5px;color:var(--muted);margin:0}
.mini-icon{width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.mini-icon.teal{background:var(--teal-light);color:#0B7A60}
.mini-icon.orange{background:var(--orange-light);color:#A96A05}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.flow-step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C9DEF2}
.flow-num{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 8px 18px rgba(29,95,168,.22)}
.flow-step h3{font-size:1.1rem;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--muted);margin:0}
.flow-step::after{content:"";position:absolute;top:44px;right:-22px;width:22px;height:2px;background:repeating-linear-gradient(90deg,var(--border) 0 5px,transparent 5px 10px)}
.flow-step:last-child::after{display:none}

/* ---------- 深色说明区 ---------- */
.section-dark{background:var(--primary-dark);color:#D7E6F5;padding:88px 0;position:relative;overflow:hidden}
.section-dark::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:60px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60' preserveAspectRatio='none'%3E%3Cpath d='M0 40 C200 5 400 62 600 38 C800 14 1000 60 1200 30 L1200 60 L0 60 Z' fill='%23F7FAFD'/%3E%3C/svg%3E") no-repeat center bottom/100% 100%;pointer-events:none}
.section-dark h2{color:#fff;margin-bottom:14px}
.section-dark .section-kicker{color:#7FE3CA}
.section-dark .section-desc{color:#BCD3EA}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.check-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:26px;transition:background var(--ease),transform var(--ease)}
.check-card:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.check-card h3{color:#fff;font-size:1.08rem;margin-bottom:10px}
.check-card p{color:#C4D8EC;font-size:14.5px;margin:0}
.check-card .num{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#7FE3CA;margin-bottom:12px}

/* ---------- 限时入口条 ---------- */
.promo{background:#fff;border:1px solid var(--border);border-left:6px solid var(--orange);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.promo-copy h3{font-size:1.2rem;margin-bottom:6px}
.promo-copy p{font-size:14.5px;color:var(--muted);margin:0}
.promo-time{display:inline-flex;align-items:center;gap:10px;margin-top:12px;font-size:13.5px;color:var(--muted)}
.promo-time .clock{font-family:"Bahnschrift","DIN Alternate","PingFang SC",monospace;font-weight:700;color:var(--primary-dark);background:var(--primary-light);padding:5px 12px;border-radius:8px;letter-spacing:1px}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-color:#C3DAF1;box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 24px;min-height:60px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;transition:background var(--ease),color var(--ease)}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{background:var(--primary-light);color:var(--primary-dark)}
.faq-q .ico{flex:none;width:26px;height:26px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;line-height:1;transition:transform var(--ease),background var(--ease),color var(--ease)}
.faq-item[open] .faq-q .ico{background:var(--primary);color:#fff;transform:rotate(180deg)}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--text);line-height:1.9}
.faq-a p{margin:0}

/* ---------- 咨询表单 ---------- */
.consult{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:start}
.consult-info h2{margin-bottom:16px}
.consult-info p{color:var(--muted);font-size:15.5px}
.consult-list{margin-top:26px;display:grid;gap:14px}
.consult-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text);align-items:flex-start}
.consult-list li::before{content:"";width:18px;height:18px;border-radius:6px;background:var(--teal-light);border:2px solid var(--teal);flex:none;margin-top:5px}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--error);margin-left:3px}
.field input,.field select,.field textarea{width:100%;height:50px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#FBFCFF;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#C3DAF1}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(29,95,168,.13)}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--error);background:#FFF7F4}
.field-error{display:none;font-size:13px;color:var(--error);margin-top:6px}
.field.has-error .field-error{display:block}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.checkbox input{width:18px;height:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--primary)}
.checkbox a{color:var(--primary);text-decoration:underline}
.form-note{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);background:var(--teal-light);color:#0B7A60;font-size:14px;font-weight:600}
.form-note.is-visible{display:block}

/* ---------- 页脚 ---------- */
.footer{background:#F2F7FC;border-top:1px solid var(--border);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.9;max-width:32em}
.footer-col h4{font-size:15px;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--muted);line-height:1.7}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}
.footer-bottom .copy{font-size:13.5px;color:var(--muted)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 26px}
  .hero-grid{gap:40px}
  .hero-visual img{height:360px}
  .nav-link{padding:9px 11px;font-size:14.5px}
  .mega-panel{width:600px}
}
@media (max-width:1100px){
  .nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-top:40px;padding-bottom:56px}
  .page-hero h1{max-width:none}
  .hero-visual img{height:320px}
  .section{padding:68px 0}
  .section-dark{padding:68px 0}
  .scenario-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow-step::after{display:none}
  .check-grid{grid-template-columns:1fr}
  .consult{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .compare-hint{display:block}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-inner{min-height:68px;gap:14px}
  .brand-mark{width:38px;height:38px;border-radius:11px}
  .brand-name{font-size:17px}
  .brand-sub{font-size:10.5px;letter-spacing:1.5px}
  h1{font-size:clamp(1.85rem,6vw,2.4rem)}
  .page-hero h1{font-size:30px;line-height:1.36}
  .hero-lead{font-size:15.5px}
  .hero-visual img{height:260px}
  .hero-note{position:static;margin-top:14px;left:auto;right:auto;bottom:auto}
  .hero-badge{font-size:11.5px;padding:6px 12px}
  .section{padding:52px 0}
  .section-dark{padding:52px 0}
  .section-head{margin-bottom:32px}
  .flow{grid-template-columns:1fr}
  .form-card{padding:24px}
  .form-row{grid-template-columns:1fr}
  .promo{padding:22px;gap:18px}
  .footer{padding-top:52px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px;font-size:14.5px}
  .scenario-body{padding:22px}
  .mini-card{padding:22px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .topbar-inner{font-size:12.5px}
  .topbar p{line-height:1.6}
  .brand-text .brand-sub{display:inline}
  .meta-tags{gap:6px}
}

/* roulang page: category4 */
:root{
  --primary:#1D5FA8;
  --primary-dark:#12477F;
  --primary-light:#E8F1FB;
  --teal:#17B890;
  --orange:#F5A623;
  --ink:#102033;
  --body:#344356;
  --muted:#5D6B7C;
  --border:#DDE8F2;
  --bg:#F7FAFD;
  --card:#FFFFFF;
  --success:#12A67A;
  --warn:#D97706;
  --error:#C2410C;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --shadow-sm:0 6px 18px rgba(17,42,70,.05);
  --shadow:0 12px 30px rgba(17,42,70,.07);
  --shadow-lg:0 18px 42px rgba(17,42,70,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.35;letter-spacing:0}
[hidden]{display:none !important}
:focus-visible{outline:3px solid rgba(29,95,168,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.3px;
}
.eyebrow i{color:var(--teal)}

/* ===== 公告条 ===== */
.announce{background:var(--primary-light);border-bottom:1px solid var(--border);font-size:13.5px}
.announce-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.announce p{color:var(--primary-dark);display:flex;align-items:center;gap:8px;line-height:1.6}
.announce p i{color:var(--teal)}
.announce-close{
  width:26px;height:26px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:18px;line-height:1;
  color:var(--primary-dark);transition:background .2s ease,transform .2s ease;
}
.announce-close:hover{background:rgba(29,95,168,.12);transform:rotate(90deg)}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:80px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:44px;height:44px;border-radius:14px;flex:none;
  background:linear-gradient(135deg,#1D5FA8,#17B890);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(29,95,168,.24);
  transition:transform .22s ease;
}
.brand:hover .brand-mark{transform:translateY(-2px) rotate(-3deg)}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-name{font-size:17px;font-weight:800;color:var(--ink)}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.6px}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--body);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}

/* ===== Mega 面板 ===== */
.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:999px;font-size:15px;color:var(--body);
  transition:background .2s ease,color .2s ease;
}
.mega-toggle i{font-size:11px;transition:transform .22s ease}
.mega-wrap:hover .mega-toggle,.mega-toggle:focus-visible{background:var(--primary-light);color:var(--primary-dark)}
.mega-wrap:hover .mega-toggle i,.mega-wrap:focus-within .mega-toggle i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:700px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-lg);padding:22px;
  display:grid;grid-template-columns:1fr 1.1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:none}
.mega-col h4{font-size:13px;letter-spacing:1px;color:var(--muted);font-weight:700;margin-bottom:12px}
.mega-links li+li{margin-top:4px}
.mega-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--body);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.mega-links a i{font-size:11px;color:#A9BDD2;transition:transform .18s ease,color .18s ease}
.mega-links a:hover{background:var(--primary-light);color:var(--primary-dark);padding-left:16px}
.mega-links a:hover i{color:var(--primary);transform:translateX(2px)}
.mega-cards{display:grid;gap:10px}
.mega-card{
  display:flex;gap:12px;align-items:center;
  padding:10px;border:1px solid var(--border);border-radius:14px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{border-color:#BED8F0;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.mega-card img{width:76px;height:58px;object-fit:cover;border-radius:10px;flex:none}
.mega-card span{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-card small{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:2px}

/* ===== 移动抽屉 ===== */
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--primary-dark);
  align-items:center;justify-content:center;font-size:17px;
  transition:background .2s ease,border-color .2s ease;
}
.nav-burger:hover{background:var(--primary-light);border-color:#BED8F0}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,51,.42);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s;z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;
  background:#fff;z-index:200;padding:20px;overflow:auto;
  transform:translateX(100%);transition:transform .3s ease;
  box-shadow:-18px 0 40px rgba(17,42,70,.16);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head span{font-size:13px;letter-spacing:1px;color:var(--muted);font-weight:700}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--border);
  display:grid;place-items:center;font-size:20px;color:var(--primary-dark);
  transition:background .2s ease;
}
.drawer-close:hover{background:var(--primary-light)}
.drawer-nav{display:grid;gap:4px;margin-bottom:20px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15.5px;color:var(--body);
  transition:background .18s ease,color .18s ease;
}
.drawer-nav a:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-nav a.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.drawer-note{font-size:13px;color:var(--muted);margin:18px 0 12px;line-height:1.7}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;text-align:center;white-space:nowrap;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(29,95,168,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(29,95,168,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(29,95,168,.22)}
.btn-ghost{background:#fff;color:var(--primary-dark);border-color:#C9DDF2}
.btn-ghost:hover{background:var(--primary-light);border-color:#B4D2EE;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ===== Hero ===== */
.page-hero{position:relative;overflow:hidden;background:#F2F7FC;padding:34px 0 60px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.18;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#F7FAFD 0%,rgba(247,250,253,.9) 48%,rgba(247,250,253,.58) 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:#A9BDD2}
.hero-inner{max-width:800px}
.page-hero h1{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  font-weight:800;margin:16px 0 16px;color:var(--ink);
}
.hero-lead{font-size:15.5px;line-height:1.95;color:var(--body);max-width:760px}
.search-box{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow);padding:8px 8px 8px 18px;margin-top:28px;max-width:660px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.search-box:focus-within{border-color:#B4D2EE;box-shadow:0 16px 36px rgba(17,42,70,.12)}
.search-box > i{color:#9CB4CC;font-size:15px}
.search-box input{
  flex:1;min-width:0;height:42px;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--ink);
}
.search-box input::placeholder{color:#9CB4CC}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.hero-fact{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.hero-fact i{color:var(--teal);font-size:14px}
.hero-fact strong{color:var(--ink);font-size:15px;font-weight:700}

/* ===== 快捷标签 ===== */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.chip{
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--body);
  font-size:14px;font-weight:500;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.chip:hover{border-color:#B4D2EE;background:var(--primary-light);color:var(--primary-dark)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(29,95,168,.2)}
.chip.is-active:hover{background:var(--primary-dark);color:#fff}

/* ===== FAQ 布局 ===== */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 356px;gap:36px;align-items:start}
.faq-group{margin-bottom:34px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.group-head h2{font-size:1.28rem;font-weight:800}
.group-count{
  display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 8px;
  border-radius:999px;background:var(--primary-light);color:var(--primary-dark);
  font-size:12.5px;font-weight:700;
}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#C9DDF2;box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  min-height:58px;transition:background .2s ease;
}
.faq-q:hover{background:#FBFDFF}
.faq-icon{
  position:relative;flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--primary-light);transition:background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--primary);border-radius:2px;transform:translate(-50%,-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{background:var(--primary)}
.faq-item.is-open .faq-icon::before{background:#fff}
.faq-item.is-open .faq-icon::after{background:#fff;transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--body)}
.faq-item.is-open{border-color:#C9DDF2;box-shadow:var(--shadow)}
.empty-result{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:46px 24px;background:#fff;border:1px dashed var(--border);border-radius:16px;
  color:var(--muted);font-size:14.5px;text-align:center;
}
.empty-result i{font-size:26px;color:#B4D2EE}

/* ===== 侧栏 ===== */
.side-col{position:sticky;top:104px;display:grid;gap:18px}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-sm);padding:24px;
}
.side-card h3{font-size:1.06rem;font-weight:800;margin-bottom:10px}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8}
.side-card .btn{margin-top:16px}
.side-list{display:grid;gap:10px;margin-top:14px}
.side-list li{display:flex;gap:9px;font-size:13.5px;color:var(--body);line-height:1.7}
.side-list li i{color:var(--teal);font-size:13px;margin-top:4px;flex:none}
.side-cover{width:100%;height:132px;object-fit:cover;border-radius:12px;margin-bottom:14px}
.side-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;margin-top:12px;transition:gap .2s ease,color .2s ease}
.side-link:hover{color:var(--primary-dark);gap:10px}
.side-card.is-alert{background:#FFFBF1;border-color:#F6E2BC}
.side-card.is-alert h3{color:#8A5A0B}
.side-card.is-alert p{color:#8A6A2B}

/* ===== 安全提示 ===== */
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.tip-card{
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C9DDF2}
.tip-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);font-size:18px;margin-bottom:16px;
}
.tip-card:nth-child(2) .tip-icon{background:#E6F9F3;color:var(--teal)}
.tip-card:nth-child(3) .tip-icon{background:#FFF4E2;color:#B4770B}
.tip-card h3{font-size:1.04rem;font-weight:800;margin-bottom:8px}
.tip-card p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ===== CTA ===== */
.cta-band{padding:0 0 76px}
.cta-inner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#1D5FA8 0%,#12477F 100%);
  border-radius:24px;padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 48px rgba(18,71,127,.22);
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;
  border-radius:50%;background:rgba(23,184,144,.22);
}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{color:#fff;font-size:clamp(1.35rem,2.4vw,1.8rem);font-weight:800;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,.86);font-size:14.8px;line-height:1.85}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 12px 26px rgba(0,0,0,.14)}
.cta-actions .btn-primary:hover{background:#EAF3FC;color:var(--primary-dark)}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}

/* ===== 页脚 ===== */
.footer{background:#EEF4FA;border-top:1px solid var(--border);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col li{font-size:13.8px;color:var(--muted);line-height:1.75}
.footer-col a{font-size:13.8px;color:var(--muted);transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:var(--primary);padding-left:3px}
.footer-bottom{
  border-top:1px solid var(--border);padding:18px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom .copy{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== 断点 ===== */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-link,.mega-toggle{padding:9px 11px;font-size:14.5px}
  .mega-panel{width:640px}
}
@media (max-width:1024px){
  .nav-list{display:none}
  .nav-burger{display:inline-flex}
  .mega-wrap{display:none}
  .header-inner{min-height:72px}
  .page-hero{padding:26px 0 48px}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side-col{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .tips-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:56px 0}
  .cta-inner{padding:36px 30px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .brand-name{font-size:16px}
  .brand-mark{width:40px;height:40px;border-radius:12px}
  .search-box{flex-wrap:wrap;padding:12px}
  .search-box input{width:100%;flex:1 1 100%;height:40px}
  .search-box .btn{width:100%}
  .side-col{grid-template-columns:minmax(0,1fr)}
  .tips-grid{grid-template-columns:minmax(0,1fr)}
  .faq-q{font-size:15.2px;padding:16px 16px;gap:12px}
  .faq-a-inner p{padding:0 16px 18px;font-size:14.6px}
  .section{padding:48px 0}
  .cta-band{padding-bottom:56px}
  .cta-inner{padding:30px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 160px}
  .footer{padding-top:44px}
  .footer-grid{padding-bottom:32px;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .page-hero h1{font-size:1.7rem}
  .hero-lead{font-size:14.8px}
  .hero-facts{gap:14px;flex-direction:column;align-items:flex-start}
  .chip{padding:8px 14px;font-size:13.4px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .announce p{font-size:12.6px}
  .btn{width:100%}
  .header-actions .btn-sm{width:auto}
  .mega-card img{width:64px;height:50px}
}