/* roulang page: index */
:root{
  --ink-900:#10161A;
  --ink-600:#4A555C;
  --brand-700:#0A7A5A;
  --brand-500:#12A277;
  --lime-400:#C9F24D;
  --flame-500:#FF6A2B;
  --sand-50:#F7F5EF;
  --sand-100:#EDE9E0;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:24px;
  --shadow-1:0 1px 2px rgba(16,22,26,.06),0 8px 24px rgba(16,22,26,.06);
  --shadow-2:0 12px 32px rgba(16,22,26,.12);
  --line:1px solid var(--sand-100);
  --font-base:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site{
  margin:0;
  font-family:var(--font-base);
  background:var(--sand-50);
  color:rgba(16,22,26,.9);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}

.h1{font-size:28px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:0}
@media (min-width:768px){.h1{font-size:38px;line-height:1.16}}
@media (min-width:1024px){.h1{font-size:48px}}
.h2{font-size:22px;line-height:1.3;font-weight:700;margin:0}
@media (min-width:768px){.h2{font-size:28px;line-height:1.28}}
.h3{font-size:18px;line-height:1.45;font-weight:600;margin:0}
@media (min-width:768px){.h3{font-size:20px;line-height:1.4}}
.lead{font-size:16px;line-height:1.75;color:var(--ink-600);margin:0}
.small{font-size:14px;line-height:1.7;color:var(--ink-600)}
.tiny{font-size:12px;line-height:1.6;color:var(--ink-600)}

/* 顶部信息条 */
.topbar{background:var(--ink-900);color:#fff;font-size:13px;line-height:1.4}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar-left{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar a{color:rgba(255,255,255,.86);transition:color .2s ease}
.topbar a:hover{color:var(--lime-400)}
@media (max-width:639px){.topbar-left{display:none}.topbar-inner{justify-content:flex-end}}

/* 主导航 */
.nav{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));position:relative;flex-shrink:0}
.logo-mark::after{content:"";position:absolute;left:9px;top:18px;width:18px;height:4px;border-radius:2px;background:var(--lime-400);transform:rotate(-24deg)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);line-height:1.2}
.logo-sub{display:block;font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--ink-600);line-height:1.1}
.nav-list{display:none;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
@media (min-width:1024px){.nav-list{display:flex}}
.nav-link{display:block;padding:22px 12px;font-size:15px;font-weight:500;color:rgba(16,22,26,.82);border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700);border-bottom-color:var(--brand-500);font-weight:600}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:var(--line);background:var(--white)}
@media (min-width:1024px){.burger{display:none}}
.burger span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink-900);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,22,26,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;background:var(--white);z-index:90;transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:var(--line)}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--ink-600);border-radius:10px}
.drawer-list{list-style:none;margin:12px 0 0;padding:0;flex:1}
.drawer-list a{display:block;padding:15px 4px;font-size:16px;font-weight:500;border-bottom:var(--line);color:rgba(16,22,26,.86)}
.drawer-list a.active{color:var(--brand-700);font-weight:600}
.drawer-foot{padding-top:16px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 22px;height:46px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;border:1px solid transparent}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:var(--white);color:var(--ink-900);border:var(--line)}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}
.btn-flame{background:var(--flame-500);color:#fff}
.btn-flame:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
@media (max-width:639px){.btn-block-mobile{width:100%}}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);border-bottom:2px solid transparent;transition:border-color .2s ease,gap .2s ease}
.link-more:hover{border-bottom-color:var(--brand-500);gap:10px}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7;white-space:nowrap}
.badge-brand{background:rgba(18,162,119,.12);color:var(--brand-700)}
.badge-lime{background:var(--lime-400);color:var(--ink-900)}
.badge-flame{background:rgba(255,106,43,.14);color:#C2440C}
.badge-ink{background:rgba(16,22,26,.08);color:var(--ink-600)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink-900)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.9}
.hero-overlay{position:absolute;inset:0;background:rgba(16,22,26,.6)}
.hero-deco{position:absolute;inset:0;background:linear-gradient(112deg,rgba(201,242,77,.08) 0 22%,transparent 22.2%),linear-gradient(112deg,transparent 62%,rgba(18,162,119,.14) 62.2% 78%,transparent 78.2%);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;display:grid;gap:32px}
@media (min-width:768px){.hero-inner{padding-top:72px;padding-bottom:72px}}
@media (min-width:1024px){.hero-inner{grid-template-columns:5fr 7fr;gap:48px;align-items:center;min-height:560px;padding-top:80px;padding-bottom:80px}}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.4);color:var(--lime-400);font-size:13px;font-weight:600}
.hero-h1{color:#fff;margin-top:18px}
.hero-sub{color:rgba(255,255,255,.78);font-size:16px;line-height:1.75;margin:16px 0 0;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats strong{display:block;font-size:22px;font-weight:800;color:var(--lime-400);line-height:1.2}
@media (min-width:768px){.hero-stats strong{font-size:28px}}
.hero-stats span{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}
.hero-card{background:var(--white);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-2);border-top:4px solid var(--lime-400)}
.hero-card-title{font-size:20px;font-weight:700;line-height:1.4;margin:14px 0 8px;color:var(--ink-900)}
.hero-card p{font-size:14px;line-height:1.7;color:var(--ink-600);margin:0 0 18px}
.hero-card-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;padding-top:16px;border-top:var(--line)}

/* 区块 */
.section{padding-top:56px;padding-bottom:56px}
@media (min-width:768px){.section{padding-top:72px;padding-bottom:72px}}
@media (min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
.section-alt{background:var(--white)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
@media (min-width:768px){.sec-head{margin-bottom:40px}}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand-500)}
.sec-desc{font-size:15px;color:var(--ink-600);margin:10px 0 0;max-width:680px;line-height:1.75}

/* 卡片通用 */
.card{background:var(--white);border:var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,162,119,.28)}
.cover-wrap{aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius-img);background:var(--sand-100)}
.cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .cover-wrap img{transform:scale(1.04)}

/* 优惠阶梯 */
.tier-grid{display:grid;gap:18px}
@media (min-width:640px){.tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.tier-grid{grid-template-columns:repeat(4,minmax(0,1fr));align-items:end}}
.tier{position:relative;background:var(--white);border:var(--line);border-radius:var(--radius-card);padding:22px 20px 22px 24px;box-shadow:var(--shadow-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.tier::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand-500)}
.tier:nth-child(2)::before{background:#2FB58C}
.tier:nth-child(3)::before{background:var(--lime-400)}
.tier:nth-child(4)::before{background:var(--flame-500)}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.tier-num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-700)}
.tier-name{font-size:20px;font-weight:700;margin:6px 0 12px;color:var(--ink-900)}
.tier ul{list-style:none;margin:0;padding:0}
.tier li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--ink-600);margin-bottom:8px}
.tier li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--brand-500);opacity:.7}
.tier-price{margin-top:16px;padding-top:16px;border-top:var(--line);font-size:22px;font-weight:800;color:var(--flame-500);line-height:1.3}
.tier-price small{display:block;font-size:12px;font-weight:500;color:var(--ink-600);margin-top:4px}
.tier-cta{margin-top:14px;display:inline-flex;font-size:14px;font-weight:600;color:var(--brand-700)}
@media (min-width:1024px){
  .tier{min-height:340px;display:flex;flex-direction:column}
  .tier:nth-child(2){min-height:370px}
  .tier:nth-child(3){min-height:400px}
  .tier:nth-child(4){min-height:430px}
  .tier-cta{margin-top:auto;padding-top:14px}
}

/* 套餐对比 */
.compare-desktop{display:none}
@media (min-width:1024px){.compare-desktop{display:block}}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--white);border:var(--line);border-radius:var(--radius-block);overflow:hidden;box-shadow:var(--shadow-1)}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--sand-100);vertical-align:middle}
.compare-table thead th{background:var(--sand-50);font-size:15px;font-weight:700;color:var(--ink-900);position:relative}
.compare-table thead th.reco{background:rgba(201,242,77,.22);border-top:3px solid var(--lime-400)}
.compare-table tbody th{font-weight:600;color:var(--ink-900);width:200px;background:var(--white)}
.compare-table td{color:var(--ink-600)}
.compare-table tr:last-child th,.compare-table tr:last-child td{border-bottom:0}
.compare-table .row-hi{background:rgba(18,162,119,.05)}
.price-cell{font-size:18px;font-weight:800;color:var(--flame-500)}
.compare-mobile{display:grid;gap:16px}
@media (min-width:1024px){.compare-mobile{display:none}}
.plan-card{background:var(--white);border:var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1)}
.plan-card.reco{border-top:3px solid var(--lime-400)}
.plan-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--sand-100);font-size:14px}
.plan-row:last-of-type{border-bottom:0}
.plan-row span:first-child{color:var(--ink-600)}
.plan-row span:last-child{font-weight:600;color:var(--ink-900);text-align:right}

/* 限时色带 */
.band{background:var(--brand-700);position:relative;overflow:hidden;border-radius:var(--radius-block)}
.band::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(201,242,77,.10) 0 18%,transparent 18.3%),linear-gradient(105deg,transparent 70%,rgba(201,242,77,.12) 70.3% 84%,transparent 84.3%);pointer-events:none}
.band-inner{position:relative;z-index:2;padding:32px 24px;display:grid;gap:24px}
@media (min-width:768px){.band-inner{padding:44px 40px;grid-template-columns:1.4fr 1fr;align-items:center;gap:40px}}
.band h2{color:#fff}
.band p{color:rgba(255,255,255,.78);margin:10px 0 0;font-size:15px;line-height:1.75}
.countdown{display:flex;gap:10px;margin-top:20px}
.cd-box{background:rgba(16,22,26,.35);border:1px solid rgba(201,242,77,.35);border-radius:12px;min-width:64px;padding:10px 8px;text-align:center}
.cd-box b{display:block;font-size:24px;font-weight:800;color:var(--lime-400);line-height:1.1}
.cd-box i{display:block;font-size:12px;font-style:normal;color:rgba(255,255,255,.7);margin-top:4px}
.band-side{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-card);padding:22px}
.band-code{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(16,22,26,.32);border:1px dashed rgba(201,242,77,.5);border-radius:10px;padding:12px 16px;margin-bottom:16px}
.band-code b{color:var(--lime-400);font-size:18px;letter-spacing:.08em}
.band-code span{font-size:12px;color:rgba(255,255,255,.7)}

/* 资讯列表 */
.news-grid{display:grid;gap:20px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{display:flex;flex-direction:column;overflow:hidden;padding:14px}
.news-body{padding:16px 6px 8px;display:flex;flex-direction:column;flex:1}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title{margin:12px 0 0;color:var(--ink-900)}
.news-excerpt{margin:8px 0 0;font-size:14px;line-height:1.7;color:var(--ink-600)}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:var(--line)}
.empty-state{padding:48px 24px;text-align:center;background:var(--white);border:1px dashed var(--sand-100);border-radius:var(--radius-card)}
.empty-icon{width:48px;height:48px;margin:0 auto 12px;border-radius:14px;background:var(--sand-50);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand-500)}

/* 优势区 2大3小 */
.adv-grid{display:grid;gap:18px}
@media (min-width:1024px){.adv-grid{grid-template-columns:repeat(6,1fr)}}
.adv-big{position:relative;overflow:hidden;border-radius:var(--radius-card);background:var(--white);border:var(--line);box-shadow:var(--shadow-1);padding:26px}
@media (min-width:1024px){.adv-big{grid-column:span 3}}
.adv-big h3{margin-bottom:10px}
.adv-num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-700)}
.adv-small{background:var(--white);border:var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);display:flex;gap:14px;align-items:flex-start}
@media (min-width:1024px){.adv-small{grid-column:span 2}}
.adv-icon{width:40px;height:40px;flex-shrink:0;border-radius:12px;background:rgba(18,162,119,.12);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}

/* FAQ */
.faq-list{display:grid;gap:10px;max-width:880px}
.faq-item{background:var(--white);border:var(--line);border-radius:12px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900)}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--sand-50);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--brand-700);transition:transform .25s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{display:none;background:var(--sand-50);padding:16px 20px;font-size:15px;line-height:1.8;color:var(--ink-600)}
.faq-item.open .faq-a{display:block}

/* 表单 */
.consult-grid{display:grid;gap:28px}
@media (min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr;gap:48px}}
.consult-point{display:flex;gap:12px;align-items:flex-start;margin-top:16px}
.consult-point i{flex-shrink:0;width:24px;height:24px;border-radius:8px;background:var(--lime-400);color:var(--ink-900);font-style:normal;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px}
.form-card{background:var(--white);border:var(--line);border-radius:var(--radius-block);padding:24px;box-shadow:var(--shadow-1)}
@media (min-width:768px){.form-card{padding:32px}}
.form-grid{display:grid;gap:18px}
@media (min-width:640px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-full{grid-column:1/-1}}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-900)}
.field .req{color:var(--flame-500)}
.input{width:100%;height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--sand-100);background:var(--white);color:var(--ink-900);transition:border-color .2s ease,box-shadow .2s ease}
textarea.input{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,162,119,.16)}
.input::placeholder{color:#98A2A8}
.field.error .input{border-color:var(--flame-500)}
.field.error .err-msg{display:block}
.err-msg{display:none;margin-top:6px;font-size:13px;color:var(--flame-500)}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-600)}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500);flex-shrink:0}
.form-tip{margin-top:14px;font-size:13px;color:var(--ink-600)}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:10px;background:rgba(18,162,119,.12);color:var(--brand-700);font-size:14px;font-weight:600}
.form-ok.show{display:block}

/* 页脚 */
.footer{background:var(--ink-900);color:#fff;padding-top:56px}
.footer-grid{display:grid;gap:8px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.foot-col{border-bottom:1px solid rgba(255,255,255,.12)}
@media (min-width:768px){.foot-col{border-bottom:0}}
.foot-col summary{list-style:none;cursor:pointer;padding:16px 0;font-size:15px;font-weight:600;color:#fff;display:flex;align-items:center;justify-content:space-between}
.foot-col summary::-webkit-details-marker{display:none}
.foot-col summary::after{content:"+";font-size:18px;color:var(--lime-400);line-height:1}
.foot-col[open] summary::after{content:"−"}
@media (min-width:768px){.foot-col summary{cursor:default;padding:0 0 16px}.foot-col summary::after{display:none}}
.foot-body{padding-bottom:18px}
@media (min-width:768px){.foot-body{padding-bottom:0}}
.foot-list{list-style:none;margin:0;padding:0}
.foot-list li{margin-bottom:10px}
.foot-link{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,border-color .2s ease}
.foot-link:hover{color:var(--lime-400);border-bottom:2px solid var(--lime-400);padding-bottom:2px}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:12px 0 0}
.foot-domain{display:inline-block;margin-top:12px;font-size:13px;color:var(--lime-400);letter-spacing:.04em}
.qr-box{width:96px;height:96px;border-radius:12px;background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.7);text-align:center;line-height:1.5;padding:8px}
.copyright{margin-top:32px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* roulang page: category1 */
:root{
  --ink-900:#10161A;
  --ink-600:#4A555C;
  --brand-700:#0A7A5A;
  --brand-500:#12A277;
  --lime-400:#C9F24D;
  --flame-500:#FF6A2B;
  --sand-50:#F7F5EF;
  --sand-100:#EDE9E0;
  --white:#FFFFFF;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:24px;
  --sh-rest:0 1px 2px rgba(16,22,26,.06),0 8px 24px rgba(16,22,26,.06);
  --sh-hover:0 12px 32px rgba(16,22,26,.12);
  --t:all .22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--sand-50);
  color:rgba(16,22,26,.9);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:28px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
html a{color:inherit;text-decoration:none;transition:var(--t);}
html button{font-family:inherit;cursor:pointer;border:0;background:none;}
html ul,html ol{list-style:none;margin:0;padding:0;}
p{margin:0 0 1.25em;}
h1,h2,h3,h4{margin:0;line-height:1.25;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}

/* ---------- 容器 ---------- */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}
.section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.section{padding-top:80px;padding-bottom:80px;}}
@media (min-width:1024px){.section{padding-top:96px;padding-bottom:96px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-900);color:#fff;font-size:13px;line-height:20px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-domain{color:var(--lime-400);font-weight:600;letter-spacing:.02em;}
.topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar-link{color:rgba(255,255,255,.86);}
.topbar-link:hover{color:var(--lime-400);text-decoration:underline;text-underline-offset:3px;}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.24);}
@media (max-width:639px){
  .topbar-left{display:none;}
  .topbar-inner{justify-content:flex-end;}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--sand-100);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--brand-700) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;right:8px;top:15px;height:3px;border-radius:2px;
  background:var(--lime-400);transform:rotate(-18deg);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);}
.main-nav{display:none;}
@media (min-width:1024px){
  .main-nav{display:block;flex:1;}
  .nav-list{display:flex;align-items:center;gap:28px;justify-content:center;}
}
.nav-link{
  display:inline-flex;align-items:center;height:68px;font-size:15px;color:var(--ink-600);
  border-bottom:2px solid transparent;font-weight:500;
}
.nav-link:hover{color:var(--brand-700);border-bottom-color:var(--brand-500);}
.nav-link.active{color:var(--ink-900);font-weight:700;border-bottom-color:var(--brand-500);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.header-cta{display:none;}
@media (min-width:768px){.header-cta{display:inline-flex;}}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:10px;border:1px solid var(--sand-100);background:var(--white);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
@media (min-width:1024px){.menu-toggle{display:none;}}

.drawer-mask{
  position:fixed;inset:0;background:rgba(16,22,26,.5);opacity:0;visibility:hidden;
  transition:var(--t);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;background:var(--white);
  transform:translateX(100%);transition:transform .28s ease;z-index:80;
  display:flex;flex-direction:column;padding:20px;box-shadow:-12px 0 32px rgba(16,22,26,.16);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:16px;font-weight:800;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--sand-100);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-600);
}
.drawer-list{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:12px;font-size:16px;color:var(--ink-900);
  border:1px solid transparent;
}
.drawer-link:hover{background:var(--sand-50);border-color:var(--sand-100);}
.drawer-link.active{background:rgba(18,162,119,.08);color:var(--brand-700);font-weight:700;}
.drawer-foot{border-top:1px solid var(--sand-100);padding-top:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  padding:0 20px;height:46px;transition:var(--t);white-space:nowrap;border:1px solid transparent;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 26px;font-size:16px;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh-rest);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--white);color:var(--ink-900);border-color:var(--sand-100);}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px);}
.btn-flame{background:var(--flame-500);color:#fff;}
.btn-flame:hover{background:#e85a1e;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-block{width:100%;}
@media (max-width:639px){
  .btn-block-mobile{width:100%;}
}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-900);}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:rgba(16,22,26,.62);}
.cat-hero-stripe{
  position:absolute;inset:0;opacity:.08;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(201,242,77,.9) 0 3px,transparent 3px 64px);
}
.cat-hero-inner{
  position:relative;z-index:2;display:grid;gap:28px;padding-top:44px;padding-bottom:44px;
  align-items:center;min-height:280px;
}
@media (min-width:900px){
  .cat-hero-inner{grid-template-columns:1.35fr 1fr;gap:44px;min-height:310px;}
}
.cat-hero h1{
  color:#fff;font-size:28px;line-height:36px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px;
}
@media (min-width:768px){.cat-hero h1{font-size:38px;line-height:46px;}}
@media (min-width:1280px){.cat-hero h1{font-size:42px;line-height:50px;}}
.cat-hero-sub{color:rgba(255,255,255,.82);font-size:15px;line-height:26px;max-width:560px;margin-bottom:18px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.6);}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime-400);}
.breadcrumb .sep{color:rgba(255,255,255,.32);}
.breadcrumb .current{color:rgba(255,255,255,.6);}
.cat-hero-media{
  border-radius:var(--r-block);overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 18px 44px rgba(0,0,0,.28);
}
.cat-hero-media .media-4x3{position:relative;width:100%;padding-top:66%;background:#1b2328;}
.cat-hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}

/* ---------- 媒体比例容器 ---------- */
.media-16x9{position:relative;width:100%;padding-top:56.25%;overflow:hidden;border-radius:var(--r-img);background:var(--sand-100);}
.media-16x9 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}

/* ---------- 通用标题 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-title{
  position:relative;padding-left:14px;font-size:24px;line-height:34px;font-weight:700;letter-spacing:-.01em;
}
@media (min-width:768px){.section-title{font-size:28px;line-height:38px;}}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500);
}
.section-sub{color:var(--ink-600);font-size:14px;line-height:24px;margin-top:8px;max-width:680px;}
.link-more{color:var(--brand-700);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 数据点 / 介绍 ---------- */
.intro-grid{display:grid;gap:28px;}
@media (min-width:1024px){.intro-grid{grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;}}
.intro-text p{font-size:16px;line-height:29px;color:rgba(16,22,26,.86);}
.stat-card{
  background:var(--white);border:1px solid var(--sand-100);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-rest);
}
.stat-item{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--sand-100);}
.stat-item:last-child{border-bottom:0;padding-bottom:0;}
.stat-item:first-child{padding-top:0;}
.stat-num{
  font-size:26px;line-height:30px;font-weight:800;color:var(--brand-700);
  font-variant-numeric:tabular-nums;min-width:64px;
}
.stat-title{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:4px;}
.stat-desc{font-size:14px;line-height:24px;color:var(--ink-600);margin:0;}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px;}}
.grid-2{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr);gap:24px;}}

.card{
  background:var(--white);border:1px solid var(--sand-100);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-rest);transition:var(--t);display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(18,162,119,.28);}
.card:hover .media-16x9 img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;font-weight:600;background:rgba(18,162,119,.1);color:var(--brand-700);
}
.badge-lime{background:rgba(201,242,77,.28);color:#3d5a06;}
.badge-flame{background:rgba(255,106,43,.12);color:#c8461a;}
.card-title{font-size:19px;line-height:27px;font-weight:600;margin:12px 0 8px;color:var(--ink-900);}
.card-title a:hover{color:var(--brand-700);}
.card-desc{font-size:14px;line-height:25px;color:var(--ink-600);margin:0 0 16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--sand-100);padding-top:14px;}
.card-meta{font-size:12px;line-height:20px;color:var(--ink-600);}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  border:1px solid var(--sand-100);background:var(--sand-50);font-size:12px;color:var(--ink-600);
}

/* ---------- 对比表 ---------- */
.compare-wrap{
  background:var(--white);border:1px solid var(--sand-100);border-radius:var(--r-card);
  box-shadow:var(--sh-rest);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare{width:100%;border-collapse:collapse;min-width:660px;font-size:14px;}
table.compare caption{text-align:left;padding:18px 20px 0;font-size:13px;color:var(--ink-600);}
table.compare th,table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--sand-100);vertical-align:top;}
table.compare thead th{
  background:var(--sand-50);font-size:13px;font-weight:700;color:var(--ink-900);
  border-bottom:1px solid var(--sand-100);white-space:nowrap;
}
table.compare tbody tr:hover td{background:rgba(247,245,239,.6);}
table.compare tbody tr:last-child td{border-bottom:0;}
.th-accent{color:var(--brand-700)!important;}
.td-strong{font-weight:700;color:var(--ink-900);}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:10px;max-width:900px;}
.faq-item{
  background:var(--white);border:1px solid var(--sand-100);border-radius:12px;overflow:hidden;
  transition:var(--t);
}
.faq-item[open]{border-color:rgba(18,162,119,.3);box-shadow:var(--sh-rest);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 18px;font-size:16px;font-weight:600;color:var(--ink-900);
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"+";flex-shrink:0;font-size:22px;line-height:1;color:var(--brand-500);
  transition:transform .25s ease;font-weight:500;
}
.faq-item[open] .faq-q::after{content:"−";transform:rotate(180deg);}
.faq-a{background:var(--sand-50);padding:16px 20px;font-size:15px;line-height:28px;color:rgba(16,22,26,.86);border-top:1px solid var(--sand-100);}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- CTA 色带 ---------- */
.cta-band{background:var(--brand-700);position:relative;overflow:hidden;border-radius:var(--r-block);}
.cta-band::before{
  content:"";position:absolute;top:-40px;right:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.22) 0%,rgba(201,242,77,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.9) 0 2px,transparent 2px 46px);
}
.cta-inner{
  position:relative;z-index:2;display:grid;gap:24px;padding:36px 24px;align-items:center;
}
@media (min-width:900px){
  .cta-inner{grid-template-columns:1fr auto;padding:44px 44px;gap:40px;}
}
.cta-inner h2{color:#fff;font-size:24px;line-height:34px;font-weight:700;margin-bottom:10px;}
@media (min-width:768px){.cta-inner h2{font-size:28px;line-height:38px;}}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;line-height:26px;margin:0;max-width:620px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.cta-point{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.12);color:#fff;font-size:13px;
}
.cta-point::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-400);}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#fff;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:8px;padding-top:44px;padding-bottom:28px;
}
@media (min-width:900px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-top:56px;padding-bottom:36px;}
}
.foot-col{border-bottom:1px solid rgba(255,255,255,.1);}
@media (min-width:900px){.foot-col{border-bottom:0;}}
.foot-col summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:15px;font-weight:700;color:#fff;
}
.foot-col summary::-webkit-details-marker{display:none;}
.foot-col summary::after{
  content:"+";font-size:18px;color:var(--lime-400);transition:transform .25s ease;
}
.foot-col[open] summary::after{transform:rotate(45deg);}
@media (min-width:900px){
  .foot-col summary{pointer-events:none;min-height:0;margin-bottom:14px;}
  .foot-col summary::after{display:none;}
}
.foot-body{padding-bottom:18px;}
@media (min-width:900px){.foot-body{padding-bottom:0;}}
.foot-desc{font-size:14px;line-height:25px;color:rgba(255,255,255,.72);margin-bottom:12px;}
.foot-domain{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.1);font-size:12px;color:rgba(255,255,255,.8);letter-spacing:.02em;
}
.foot-list{display:flex;flex-direction:column;gap:10px;}
.foot-link{font-size:14px;color:rgba(255,255,255,.72);}
.foot-link:hover{color:var(--lime-400);text-decoration:underline;text-underline-offset:3px;}
.qr-box{
  width:110px;height:110px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:12px;line-height:18px;color:rgba(255,255,255,.6);text-align:center;
}
.copyright{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;line-height:22px;color:rgba(255,255,255,.6);
}

/* ---------- 表单 ---------- */
.form-panel{background:var(--white);border:1px solid var(--sand-100);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-rest);}
@media (min-width:768px){.form-panel{padding:32px;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-900);}
.field .req{color:var(--flame-500);margin-left:2px;}
.input,.select,.textarea{
  width:100%;border:1px solid var(--sand-100);border-radius:var(--r-btn);background:var(--white);
  font-size:15px;color:var(--ink-900);padding:0 14px;height:44px;transition:var(--t);
}
.textarea{height:auto;padding:12px 14px;line-height:26px;resize:vertical;min-height:110px;}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,162,119,.16);
}
.field-hint{font-size:12px;line-height:20px;color:var(--ink-600);margin-top:6px;}
.field-error{font-size:12px;line-height:20px;color:var(--flame-500);margin-top:6px;display:none;}
.field.is-error .input,.field.is-error .textarea{border-color:var(--flame-500);}
.field.is-error .field-error{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:22px;color:var(--ink-600);}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500);flex-shrink:0;}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.contact-item{display:flex;gap:12px;align-items:flex-start;}
.contact-dot{
  width:34px;height:34px;border-radius:10px;background:rgba(18,162,119,.1);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;
}
.contact-item b{display:block;font-size:14px;color:var(--ink-900);}
.contact-item span{font-size:13px;line-height:22px;color:var(--ink-600);}

/* roulang page: article */
:root{
  --ink-900:#10161A;
  --ink-600:#4A555C;
  --brand-700:#0A7A5A;
  --brand-500:#12A277;
  --lime-400:#C9F24D;
  --flame-500:#FF6A2B;
  --sand-50:#F7F5EF;
  --sand-100:#EDE9E0;
  --white:#FFFFFF;
  --text-strong:rgba(16,22,26,.92);
  --text-soft:#4A555C;
  --text-mute:#8B959B;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:24px;
  --shadow-1:0 1px 2px rgba(16,22,26,.06),0 8px 24px rgba(16,22,26,.06);
  --shadow-2:0 12px 32px rgba(16,22,26,.12);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
.page-body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--sand-50);
  color:var(--text-strong);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
.page-body img{display:block;max-width:100%;height:auto}
.page-body a{color:inherit;text-decoration:none}
.page-body button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.page-body h1,.page-body h2,.page-body h3,.page-body h4{margin:0}
.container-x{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px}

/* 顶部信息条 */
.topbar{background:var(--ink-900);color:#fff;font-size:13px;line-height:20px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar-left{display:flex;align-items:center;gap:14px;color:rgba(255,255,255,.72);min-width:0}
.tb-domain{color:#fff;font-weight:600;letter-spacing:.04em}
.tb-tip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.72)}
.topbar-right a{color:rgba(255,255,255,.8);transition:color .2s}
.topbar-right a:hover{color:var(--lime-400)}
.tb-sep{color:rgba(255,255,255,.28)}
@media (max-width:767px){.tb-tip,.tb-sep{display:none}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--sand-100)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);line-height:1.15}
.logo-text small{font-size:11px;font-weight:500;color:var(--text-mute);letter-spacing:.06em}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-soft);border-radius:8px;transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand-700);background:var(--sand-50)}
.nav-link.active{color:var(--ink-900);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-500)}
.menu-btn{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--sand-100);align-items:center;justify-content:center;flex-direction:column;gap:5px;transition:border-color .2s,background .2s}
.menu-btn:hover{border-color:var(--brand-500);background:var(--sand-50)}
.menu-bar{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}
@media (max-width:1023px){
  .menu-btn{display:inline-flex}
  .nav-list{display:none}
  .header-cta{display:none}
}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(16,22,26,.5);opacity:0;transition:opacity .26s}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;box-shadow:var(--shadow-2)}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--sand-100)}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--sand-100);font-size:20px;line-height:1;color:var(--ink-600);display:grid;place-items:center;transition:.2s}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-700)}
.drawer-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:4px}
.drawer-list a{display:block;padding:13px 12px;border-radius:10px;font-size:15px;color:var(--text-soft);transition:.2s}
.drawer-list a:hover{background:var(--sand-50);color:var(--brand-700)}
.drawer-cta{margin-top:auto;width:100%}

/* 按钮 */
.btn-primary,.btn-ghost,.btn-lime,.btn-flame{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink-900);border:1px solid var(--sand-100)}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700)}
.btn-lime{background:var(--lime-400);color:var(--ink-900)}
.btn-lime:hover{background:#D8FF66;transform:translateY(-1px)}
.btn-flame{background:var(--flame-500);color:#fff}
.btn-flame:hover{background:#E85A1C;transform:translateY(-1px)}
@media (max-width:639px){
  .btn-primary,.btn-ghost,.btn-lime,.btn-flame{width:100%}
}

/* 文章顶部横幅 */
.page-banner{position:relative;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:#fff;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background:rgba(16,22,26,.62)}
.page-banner .container-x{position:relative;z-index:1;padding-top:32px;padding-bottom:38px}
@media (min-width:768px){.page-banner .container-x{padding-top:44px;padding-bottom:52px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .2s}
.breadcrumb a:hover{color:var(--lime-400)}
.crumb-sep{color:rgba(255,255,255,.36)}
.crumb-cat{color:rgba(255,255,255,.72)}
.crumb-current{color:rgba(255,255,255,.6)}
.article-title{font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-.02em;color:#fff;margin:16px 0 18px;max-width:920px;overflow-wrap:break-word}
@media (min-width:768px){.article-title{font-size:40px;line-height:1.22}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;line-height:20px;color:rgba(255,255,255,.72)}
.meta-item{position:relative;padding-left:14px}
.meta-item::before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.38);transform:translateY(-50%)}
.badge-tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--lime-400);color:var(--ink-900);font-size:12px;font-weight:700;letter-spacing:.02em}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
@media (max-width:1023px){.article-layout{grid-template-columns:minmax(0,1fr);gap:36px}}
.article-body{background:#fff;border:1px solid var(--sand-100);border-radius:var(--radius-block);box-shadow:var(--shadow-1);padding:26px 22px;max-width:820px;font-size:17px;line-height:1.9;overflow-wrap:break-word}
@media (min-width:768px){.article-body{padding:44px 48px}}
.article-body p{margin:0 0 1.25em;color:rgba(16,22,26,.9)}
.article-body h2{font-size:23px;line-height:1.35;font-weight:700;color:var(--ink-900);margin:2rem 0 .8rem;padding-left:14px;border-left:4px solid var(--brand-500)}
@media (min-width:768px){.article-body h2{font-size:28px}}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink-900);margin:1.6rem 0 .6rem}
.article-body h4{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-900);margin:1.3rem 0 .5rem}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.5em;line-height:1.8}
.article-body li{margin-bottom:.45em}
.article-body blockquote{margin:1.5em 0;padding:16px 20px;background:var(--sand-50);border-left:4px solid var(--lime-400);border-radius:0 12px 12px 0;color:var(--ink-600);font-size:16px;line-height:1.85}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.5em 0;width:100%}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;line-height:1.6;color:var(--ink-600);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(10,122,90,.35);transition:color .2s,border-color .2s}
.article-body a:hover{color:var(--brand-500);border-color:var(--brand-500)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0}
.article-body th,.article-body td{border:1px solid var(--sand-100);padding:10px 14px;text-align:left}
.article-body th{background:var(--sand-50);font-weight:600}
.article-body pre{background:var(--ink-900);color:#fff;padding:16px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{background:var(--sand-100);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-foot{margin-top:34px;padding-top:24px;border-top:1px solid var(--sand-100);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--sand-50);border:1px solid var(--sand-100);font-size:12px;color:var(--ink-600)}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-mute)}
.share-btn{height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--sand-100);background:#fff;font-size:12px;color:var(--ink-600);transition:border-color .2s,color .2s}
.share-btn:hover{border-color:var(--brand-500);color:var(--brand-700)}
.empty-state{text-align:center;padding:44px 16px}
.empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--sand-50);border:1px solid var(--sand-100);display:grid;place-items:center;font-size:22px;font-weight:700;color:var(--ink-600)}
.empty-title{font-size:18px;font-weight:600;margin:0 0 8px}
.empty-desc{font-size:15px;line-height:1.8;color:var(--ink-600);margin:0 auto 22px;max-width:460px}

/* 侧栏 */
.side-sticky{position:sticky;top:88px;display:grid;gap:20px}
@media (max-width:1023px){.side-sticky{position:static}}
.side-card{background:#fff;border:1px solid var(--sand-100);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:22px}
.side-title{font-size:16px;font-weight:700;line-height:1.3;color:var(--ink-900);margin:0 0 14px;padding-left:10px;border-left:4px solid var(--brand-500)}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px;border-radius:10px;font-size:14px;color:var(--text-soft);transition:background .2s,color .2s}
.side-list a span{font-size:12px;color:var(--text-mute)}
.side-list a:hover{background:var(--sand-50);color:var(--brand-700)}
.side-card-dark{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.side-card-dark .side-title{color:#fff;border-left-color:var(--lime-400)}
.side-card-dark p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 0 18px}
.side-btn{width:100%}

/* 通用板块标题 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{position:relative;font-size:24px;line-height:1.3;font-weight:700;color:var(--ink-900);padding-left:14px}
@media (min-width:768px){.section-title{font-size:28px}}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);transition:color .2s}
.text-link:hover{color:var(--brand-500)}

/* 卡片 */
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--sand-100);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--sand-100);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:rgba(16,22,26,.78);color:#fff;font-size:12px;font-weight:600}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.card-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a:hover{color:var(--brand-700)}
.card-desc{font-size:14px;line-height:1.7;color:var(--ink-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;font-size:12px;color:var(--text-mute)}
.card-link{font-weight:600;color:var(--brand-700)}
.back-row{display:flex;justify-content:center;margin-top:36px}

/* CTA 色带 */
.cta-band{position:relative;overflow:hidden;background:var(--brand-700);border-radius:var(--radius-block);padding:32px 24px;display:flex;flex-direction:column;gap:22px;color:#fff}
@media (min-width:768px){.cta-band{padding:44px 48px;flex-direction:row;align-items:center;justify-content:space-between;gap:40px}}
.cta-band::after{content:"";position:absolute;right:-70px;top:-60px;width:300px;height:300px;background:repeating-linear-gradient(135deg,rgba(201,242,77,.14) 0 10px,transparent 10px 28px);transform:rotate(12deg);pointer-events:none}
.cta-title{position:relative;z-index:1;font-size:22px;line-height:1.35;font-weight:700;margin:0 0 10px}
@media (min-width:768px){.cta-title{font-size:28px}}
.cta-sub{position:relative;z-index:1;font-size:14px;line-height:1.85;color:rgba(255,255,255,.78);margin:0;max-width:600px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
.btn-outline-light{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.45);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;transition:background .2s,border-color .2s,color .2s}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:var(--lime-400);color:var(--lime-400)}
@media (max-width:639px){.btn-outline-light{width:100%}}

/* 页脚 */
.footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:48px 0 0;margin-top:24px}
.footer-grid{display:grid;gap:26px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.foot-col>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:600;color:#fff;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-col>summary::-webkit-details-marker{display:none}
.foot-col>summary::after{content:"+";font-size:16px;color:var(--lime-400);line-height:1}
.foot-col[open]>summary::after{content:"–"}
.foot-body{padding-top:14px}
.foot-desc{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);margin:0}
.foot-domain{display:inline-block;margin-top:12px;font-size:13px;letter-spacing:.04em;color:var(--lime-400)}
.foot-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-link{font-size:13px;color:rgba(255,255,255,.66);transition:color .2s}
.foot-link:hover{color:var(--lime-400);text-decoration:underline;text-underline-offset:3px}
.qr-box{width:112px;height:112px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.5)}
.copyright{margin-top:36px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
@media (min-width:768px){
  .foot-col>summary{cursor:default;pointer-events:none}
  .foot-col>summary::after{display:none}
  .foot-col:not([open]) .foot-body{display:block}
}

/* roulang page: category2 */
:root{
  --ink-900:#10161A;
  --ink-600:#4A555C;
  --brand-700:#0A7A5A;
  --brand-500:#12A277;
  --lime-400:#C9F24D;
  --flame-500:#FF6A2B;
  --sand-50:#F7F5EF;
  --sand-100:#EDE9E0;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:24px;
  --shadow-sm:0 1px 2px rgba(16,22,26,.06),0 8px 24px rgba(16,22,26,.06);
  --shadow-lg:0 12px 32px rgba(16,22,26,.12);
  --bd:1px solid var(--sand-100);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand-50);
  color:rgba(16,22,26,.9);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.02em}
h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin-bottom:1.25em}
p:last-child{margin-bottom:0}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding-top:56px;padding-bottom:56px}
.section-alt{background:var(--sand-100)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-title{position:relative;padding-left:16px;color:var(--ink-900)}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500)}
.section-desc{color:var(--ink-600);font-size:15px;max-width:640px;margin-top:8px}
.meta-text{font-size:13px;line-height:20px;color:var(--ink-600)}

/* 顶部信息条 */
.topbar{background:var(--ink-900);color:rgba(255,255,255,.86);font-size:13px;line-height:20px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar a{color:rgba(255,255,255,.86);transition:color .2s ease}
.topbar a:hover{color:var(--lime-400)}
@media (max-width:640px){
  .topbar-left{display:none}
  .topbar-inner{justify-content:flex-end}
}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:var(--bd)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{position:relative;width:36px;height:36px;border-radius:10px;background:var(--brand-500);display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px}
.logo-mark::after{content:"";position:absolute;left:7px;right:7px;bottom:8px;height:3px;border-radius:2px;background:var(--lime-400);transform:skewX(-22deg)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);white-space:nowrap}
.nav-list{display:none;align-items:center;gap:4px}
.nav-link{display:block;padding:10px 14px;font-size:15px;color:rgba(16,22,26,.82);border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700);font-weight:600;border-bottom-color:var(--brand-500)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  width:44px;height:44px;border:var(--bd);border-radius:var(--radius-btn);background:var(--white);
  display:grid;place-content:center;gap:5px;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}
.menu-toggle:hover{border-color:var(--brand-500)}
@media (min-width:1024px){
  .nav-list{display:flex}
  .menu-toggle{display:none}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .nav-actions .btn-primary{display:none}
}

/* 按钮 */
.btn-primary,.btn-ghost,.btn-flame{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--white);color:var(--ink-900);border-color:var(--sand-100)}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700)}
.btn-flame{background:var(--flame-500);color:#fff}
.btn-flame:hover{background:#e75a1c;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-flame:focus-visible,.nav-link:focus-visible,.foot-link:focus-visible{
  outline:2px solid var(--lime-400);outline-offset:2px
}
.btn-sm{padding:9px 16px;font-size:14px}

/* 分类 Hero */
.cat-hero{background:var(--ink-900);color:#fff;position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(201,242,77,.08) 0 14px,transparent 14px 46px);
  pointer-events:none;
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding-top:36px;padding-bottom:40px}
.cat-hero h1{color:#fff}
.cat-hero-sub{margin-top:16px;font-size:16px;line-height:28px;color:rgba(255,255,255,.72);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero-media{position:relative}
.cat-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-img)}
.cat-hero-media::after{content:"";position:absolute;left:16px;bottom:16px;width:64px;height:6px;border-radius:3px;background:var(--lime-400);opacity:.85}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.64);margin-bottom:14px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--lime-400)}
.breadcrumb .current{color:rgba(255,255,255,.64)}
@media (min-width:768px){
  .cat-hero-inner{grid-template-columns:1.05fr .95fr;gap:36px;min-height:320px;padding-top:44px;padding-bottom:44px}
}
@media (max-width:767px){
  .cat-hero h1{font-size:28px;line-height:1.29}
}

/* 分类介绍 */
.intro-grid{display:grid;grid-template-columns:1fr;gap:28px}
.intro-body{font-size:16px;line-height:1.8;color:rgba(16,22,26,.86);max-width:720px}
.stats{display:grid;grid-template-columns:1fr;gap:14px}
.stat{background:var(--white);border:var(--bd);border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-sm)}
.stat-num{font-size:30px;line-height:1.1;font-weight:800;color:var(--brand-700);letter-spacing:-.02em}
.stat-label{margin-top:8px;font-size:14px;color:var(--ink-600)}
@media (min-width:768px){
  .intro-grid{grid-template-columns:1.4fr .6fr;gap:40px;align-items:start}
}
@media (min-width:520px) and (max-width:767px){
  .stats{grid-template-columns:repeat(3,1fr)}
}

/* 卡片与网格 */
.card{background:var(--white);border:var(--bd);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .25s ease,transform .25s ease}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.grid-2{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr)}}
.media-frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--sand-100)}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .media-frame img{transform:scale(1.03)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;line-height:18px;font-weight:600;background:rgba(18,162,119,.12);color:var(--brand-700)
}
.badge-lime{background:rgba(201,242,77,.28);color:#3a5209}
.card-body{padding:22px 24px 24px}
.card-title{margin-bottom:10px;color:var(--ink-900)}
.card-text{font-size:15px;line-height:26px;color:var(--ink-600)}
.card-facts{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px;font-size:13px;color:var(--ink-600)}
.card-facts strong{color:var(--ink-900);font-weight:600}
.text-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--brand-700);border-bottom:1px solid transparent;transition:border-color .2s ease,gap .2s ease}
.text-link:hover{border-bottom-color:var(--brand-700);gap:10px}

/* 对比表 */
.table-wrap{overflow-x:auto;background:var(--white);border:var(--bd);border-radius:var(--radius-card);box-shadow:var(--shadow-sm)}
.compare-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
.compare-table caption{text-align:left;padding:16px 20px 6px;font-size:13px;color:var(--ink-600)}
.compare-table th,.compare-table td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--sand-100);white-space:nowrap}
.compare-table thead th{font-size:14px;color:var(--ink-900);background:var(--sand-50);white-space:nowrap}
.compare-table tbody th{font-weight:600;color:var(--ink-900);background:rgba(247,245,239,.6)}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover td{background:rgba(18,162,119,.05)}
.compare-table .highlight{background:rgba(201,242,77,.18)}

/* 流程 */
.flow{display:grid;grid-template-columns:1fr;gap:18px;counter-reset:step}
.flow-item{position:relative;background:var(--white);border:var(--bd);border-left:4px solid var(--brand-500);border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-sm)}
.flow-step{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-700)}
.flow-title{margin:8px 0 8px;color:var(--ink-900)}
.flow-text{font-size:14px;line-height:24px;color:var(--ink-600)}
@media (min-width:768px){.flow{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}

/* FAQ */
.faq-item{background:var(--white);border:var(--bd);border-radius:12px;overflow:hidden}
.faq-item + .faq-item{margin-top:10px}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 20px;font-size:16px;font-weight:600;color:var(--ink-900)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;line-height:1;font-weight:400;color:var(--brand-700);transition:transform .25s ease}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-answer{background:var(--sand-50);padding:16px 20px;font-size:15px;line-height:1.8;color:rgba(16,22,26,.86)}
.faq-answer a{color:var(--brand-700);border-bottom:1px solid rgba(10,122,90,.35)}

/* CTA 色带 */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-700);color:#fff;
  border-radius:var(--radius-block);padding:40px 28px;box-shadow:var(--shadow-sm)
}
.cta-band::before{
  content:"";position:absolute;top:-40px;right:-60px;width:320px;height:220px;
  background:linear-gradient(110deg,rgba(201,242,77,.08) 0 18px,transparent 18px 52px);
  transform:rotate(-6deg);pointer-events:none
}
.cta-band-inner{position:relative;display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px;line-height:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-contact{font-size:14px;line-height:24px;color:rgba(255,255,255,.78);margin-top:14px}
.cta-contact a{color:var(--lime-400)}
@media (min-width:900px){
  .cta-band{padding:52px 48px}
  .cta-band-inner{grid-template-columns:1.35fr .65fr}
  .cta-actions{justify-content:flex-end}
}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,22,26,.5);z-index:80;opacity:0;transition:opacity .25s ease}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:var(--white);z-index:90;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px
}
.drawer.open{transform:translateX(0)}
.drawer-mask.show{opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:var(--bd)}
.drawer-close{width:40px;height:40px;border:var(--bd);border-radius:var(--radius-btn);background:var(--white);font-size:20px;line-height:1;cursor:pointer}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-700)}
.drawer-list{margin-top:14px;display:flex;flex-direction:column}
.drawer-list a{display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--sand-100);color:rgba(16,22,26,.86)}
.drawer-list a.active{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:auto;width:100%}
@media (min-width:1024px){.drawer,.drawer-mask{display:none}}

/* 页脚 */
.footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding-top:48px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:8px}
.foot-col{border-bottom:1px solid rgba(255,255,255,.1)}
.foot-col summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:600;color:#fff
}
.foot-col summary::-webkit-details-marker{display:none}
.foot-col summary::after{content:"+";font-size:20px;color:var(--lime-400)}
.foot-col[open] summary::after{content:"−"}
.foot-body{padding:4px 0 20px}
.foot-desc{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);max-width:340px}
.foot-domain{display:inline-block;margin-top:12px;font-size:13px;color:var(--lime-400);letter-spacing:.02em}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-link{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,text-underline-offset .2s ease}
.foot-link:hover{color:var(--lime-400);text-decoration:underline;text-underline-offset:3px}
.qr-box{
  width:112px;height:112px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:18px;color:rgba(255,255,255,.6)
}
.copyright{
  margin-top:32px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;align-items:start}
  .foot-col{border-bottom:0}
  .foot-col summary::after{display:none}
  .foot-col summary{cursor:default;min-height:auto;margin-bottom:14px}
  .foot-body{padding:0}
}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr}}

@media (max-width:640px){
  h2{font-size:24px;line-height:1.35}
  h3{font-size:18px}
  .section{padding-top:44px;padding-bottom:44px}
  .hero-actions .btn-primary,.hero-actions .btn-ghost,.cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%}
  .cta-actions{width:100%}
}

/* roulang page: category3 */
:root{
    --ink-900:#10161A;
    --ink-600:#4A555C;
    --brand-700:#0A7A5A;
    --brand-500:#12A277;
    --lime-400:#C9F24D;
    --flame-500:#FF6A2B;
    --sand-50:#F7F5EF;
    --sand-100:#EDE9E0;
    --white:#FFFFFF;
    --shadow-1:0 1px 2px rgba(16,22,26,.06), 0 8px 24px rgba(16,22,26,.06);
    --shadow-2:0 12px 32px rgba(16,22,26,.12);
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-block:24px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--sand-50);
    color:var(--ink-900);
    font-size:16px;
    line-height:1.75;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-0.02em;}
  h2{font-size:28px;line-height:1.29;font-weight:700;letter-spacing:-0.01em;}
  h3{font-size:20px;line-height:1.4;font-weight:600;}
  p{font-size:16px;line-height:1.75;}
  :focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}

  .container-x{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
  @media (min-width:768px){ .container-x{padding:0 32px;} }

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--ink-900);color:rgba(255,255,255,.86);font-size:13px;line-height:20px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
  .topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
  .topbar-domain{color:var(--lime-400);font-weight:600;letter-spacing:.02em;}
  .topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
  .topbar-link{color:rgba(255,255,255,.86);}
  .topbar-link:hover{color:var(--lime-400);}
  .topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.22);}
  @media (max-width:767px){
    .topbar-tip,.topbar-sep,.topbar-domain{display:none;}
  }

  /* ---------- 主导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:var(--white);
    border-bottom:1px solid var(--sand-100);
    box-shadow:0 1px 2px rgba(16,22,26,.04);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
  .logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-0.01em;color:var(--ink-900);}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--brand-500) 0%,var(--brand-700) 100%);
    position:relative;overflow:hidden;
  }
  .logo-mark::after{
    content:"";position:absolute;left:6px;right:6px;bottom:9px;height:3px;
    background:var(--lime-400);border-radius:2px;transform:skewX(-18deg);
  }
  .nav-list{display:flex;align-items:center;gap:4px;}
  .nav-link{
    display:inline-block;padding:0 14px;height:68px;line-height:68px;
    font-size:15px;font-weight:500;color:var(--ink-600);
    border-bottom:2px solid transparent;
  }
  .nav-link:hover{color:var(--brand-700);}
  .nav-link.active{color:var(--ink-900);font-weight:700;border-bottom-color:var(--brand-500);}
  .header-actions{display:flex;align-items:center;gap:12px;}
  .menu-btn{
    display:none;width:44px;height:44px;border-radius:var(--radius-btn);
    border:1px solid var(--sand-100);background:var(--white);cursor:pointer;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .menu-btn span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;}
  @media (max-width:1023px){
    .main-nav{display:none;}
    .menu-btn{display:inline-flex;}
    .header-actions .btn-header{display:none;}
  }
  @media (min-width:1024px){
    .drawer,.drawer-mask{display:none !important;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);font-weight:600;font-size:15px;line-height:1.2;
    padding:13px 22px;border:1px solid transparent;cursor:pointer;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--brand-500);color:var(--white);}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:var(--white);color:var(--ink-900);border-color:var(--sand-100);}
  .btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);}
  .btn-lime{background:var(--lime-400);color:var(--ink-900);}
  .btn-lime:hover{background:#d9fb6a;transform:translateY(-1px);box-shadow:0 12px 32px rgba(16,22,26,.24);}
  .btn-sm{padding:10px 16px;font-size:14px;}
  .btn-block{width:100%;}
  @media (max-width:639px){
    .btn{width:100%;}
    .btn-inline{width:auto;}
  }

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;border-radius:999px;
    padding:4px 12px;font-size:12px;line-height:20px;font-weight:600;
    background:var(--sand-100);color:var(--ink-600);
  }
  .badge-lime{background:rgba(201,242,77,.28);color:#3F5A06;}
  .badge-dark{background:rgba(255,255,255,.14);color:#fff;}

  /* ---------- 分类 Hero ---------- */
  .cat-hero{
    position:relative;color:#fff;overflow:hidden;
    background-image:linear-gradient(rgba(16,22,26,.74),rgba(16,22,26,.78)),url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
  }
  .cat-hero::after{
    content:"";position:absolute;inset:auto -10% -40% auto;width:520px;height:220px;
    background:linear-gradient(90deg,rgba(201,242,77,.08),rgba(201,242,77,0));
    transform:skewX(-18deg);pointer-events:none;
  }
  .cat-hero-inner{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1fr;gap:28px;
    padding-top:40px;padding-bottom:40px;align-items:center;
  }
  .cat-hero h1{color:#fff;margin-top:14px;}
  .cat-hero .cat-sub{color:rgba(255,255,255,.78);font-size:16px;margin-top:14px;max-width:520px;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.66);}
  .breadcrumb a{color:rgba(255,255,255,.86);}
  .breadcrumb a:hover{color:var(--lime-400);}
  .breadcrumb .crumb-current{color:rgba(255,255,255,.66);}
  .cat-hero-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-2);}
  .cat-hero-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
  @media (min-width:768px){
    .cat-hero-inner{grid-template-columns:1.15fr .85fr;gap:40px;padding-top:56px;padding-bottom:56px;}
  }

  /* ---------- 板块通用 ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:80px 0;} }
  @media (min-width:1024px){ .section{padding:96px 0;} }
  .section-alt{background:var(--sand-100);}
  .section-head{max-width:760px;margin-bottom:32px;}
  .section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-700);text-transform:uppercase;margin-bottom:10px;}
  .section-head h2{position:relative;padding-left:16px;}
  .section-head h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500);
  }
  .section-head p{color:var(--ink-600);margin-top:14px;font-size:15.5px;}

  /* ---------- 分类介绍 ---------- */
  .intro-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  .intro-copy p{color:rgba(16,22,26,.9);margin-bottom:1.25em;}
  .intro-copy p:last-child{margin-bottom:0;}
  .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px;}
  .stat-card{
    background:var(--white);border:1px solid var(--sand-100);border-radius:var(--radius-card);
    padding:18px 16px;box-shadow:var(--shadow-1);
  }
  .stat-num{font-size:26px;font-weight:800;letter-spacing:-0.02em;color:var(--brand-700);line-height:1.2;}
  .stat-label{font-size:13px;line-height:20px;color:var(--ink-600);margin-top:6px;}
  .intro-side{
    background:var(--ink-900);color:#fff;border-radius:var(--radius-block);padding:26px;
  }
  .intro-side h3{color:#fff;}
  .intro-side ul{margin-top:16px;display:grid;gap:12px;}
  .intro-side li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.78);}
  .intro-side li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:2px;background:var(--lime-400);}
  @media (min-width:1024px){ .intro-grid{grid-template-columns:1.5fr 1fr;gap:40px;} }

  /* ---------- 条目列表（左图右文） ---------- */
  .row-list{border-top:1px solid var(--sand-100);}
  .row-item{
    display:grid;grid-template-columns:1fr;gap:18px;
    padding:22px 0;border-bottom:1px solid var(--sand-100);
  }
  .row-media{border-radius:var(--radius-img);overflow:hidden;background:var(--sand-100);}
  .row-media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
  .row-item:hover .row-media img{transform:scale(1.04);}
  .row-body h3{margin-bottom:10px;}
  .row-body p{color:var(--ink-600);font-size:15px;}
  .row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .row-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;}
  .text-link{color:var(--brand-700);font-weight:600;font-size:14.5px;border-bottom:1px solid rgba(10,122,90,.28);padding-bottom:2px;}
  .text-link:hover{color:var(--brand-500);border-bottom-color:var(--brand-500);}
  @media (min-width:768px){
    .row-item{grid-template-columns:40% 1fr;gap:28px;align-items:center;padding:26px 0;}
  }

  /* ---------- 对比表 ---------- */
  .table-wrap{
    overflow-x:auto;border:1px solid var(--sand-100);border-radius:var(--radius-card);
    background:var(--white);box-shadow:var(--shadow-1);
  }
  table.cmp{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px;}
  table.cmp caption{text-align:left;padding:18px 20px 0;font-size:13px;color:var(--ink-600);}
  table.cmp th,table.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--sand-100);vertical-align:top;}
  table.cmp thead th{background:var(--sand-100);font-weight:700;font-size:14px;color:var(--ink-900);white-space:nowrap;}
  table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:none;}
  table.cmp tbody th{font-weight:600;background:#FCFBF7;}
  table.cmp tbody tr:nth-child(even) td{background:#FCFBF7;}
  table.cmp td strong{color:var(--brand-700);}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:10px;max-width:900px;}
  .faq-item{
    background:var(--white);border:1px solid var(--sand-100);border-radius:12px;
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink-900);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--brand-700);
    transition:transform .25s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-item .faq-body{
    background:var(--sand-50);padding:16px 20px;font-size:15px;line-height:1.8;color:rgba(16,22,26,.86);
  }

  /* ---------- CTA 色带 ---------- */
  .cta-band{
    background:var(--brand-700);color:#fff;border-radius:var(--radius-block);
    padding:32px 26px;position:relative;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;right:-60px;top:-60px;width:300px;height:200px;
    background:linear-gradient(90deg,rgba(201,242,77,.22),rgba(201,242,77,0));
    transform:skewX(-18deg);pointer-events:none;
  }
  .cta-band h2{color:#fff;position:relative;z-index:2;}
  .cta-band p{color:rgba(255,255,255,.8);margin-top:12px;position:relative;z-index:2;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;position:relative;z-index:2;}
  .cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.66);position:relative;z-index:2;}

  /* ---------- 表单 ---------- */
  .form-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
  .field .req{color:var(--flame-500);}
  .input,.select,.textarea{
    width:100%;border:1px solid var(--sand-100);border-radius:var(--radius-btn);
    background:var(--white);padding:11px 14px;font-size:15px;min-height:44px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .textarea{min-height:120px;resize:vertical;line-height:1.7;}
  .input:focus,.select:focus,.textarea:focus{
    outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,162,119,.16);
  }
  .checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-600);line-height:1.7;}
  .checkbox-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand-500);}
  .form-card{background:var(--white);border:1px solid var(--sand-100);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
  .contact-points{display:grid;gap:14px;margin-top:20px;}
  .contact-points li{display:flex;gap:12px;font-size:15px;color:var(--ink-600);}
  .contact-points li::before{content:"";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:6px;background:rgba(18,162,119,.14);border:1px solid rgba(18,162,119,.3);}
  @media (min-width:1024px){ .form-grid{grid-template-columns:5fr 7fr;gap:48px;} }

  /* ---------- 页脚 ---------- */
  .footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:52px 0 24px;margin-top:64px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:8px;}
  .foot-col{border-bottom:1px solid rgba(255,255,255,.08);padding:12px 0;}
  .foot-col summary{
    list-style:none;cursor:pointer;font-size:15px;font-weight:700;color:#fff;
    display:flex;align-items:center;justify-content:space-between;min-height:32px;
  }
  .foot-col summary::-webkit-details-marker{display:none;}
  .foot-col summary::after{content:"+";font-size:18px;color:var(--lime-400);transition:transform .2s ease;}
  .foot-col[open] summary::after{transform:rotate(45deg);}
  .foot-body{padding-top:12px;}
  .foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px;}
  .foot-domain{display:inline-block;margin-top:12px;font-size:13px;color:var(--lime-400);letter-spacing:.02em;}
  .foot-list{display:grid;gap:10px;}
  .foot-link{font-size:14px;color:rgba(255,255,255,.72);}
  .foot-link:hover{color:var(--lime-400);text-decoration:underline;text-underline-offset:3px;}
  .qr-box{
    width:118px;height:118px;border:1px dashed rgba(255,255,255,.32);border-radius:12px;
    display:flex;align-items:center;justify-content:center;text-align:center;
    font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);padding:10px;
  }
  .copyright{
    margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
    .foot-col{border-bottom:none;padding:0;}
    .foot-col summary::after{display:none;}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;}
  }

  /* ---------- 移动端抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(16,22,26,.5);z-index:80;
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:var(--white);
    z-index:90;transform:translateX(102%);transition:transform .28s ease;
    display:flex;flex-direction:column;padding:20px;box-shadow:var(--shadow-2);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--sand-100);}
  .drawer-close{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--sand-100);background:var(--white);
    cursor:pointer;font-size:20px;line-height:1;color:var(--ink-600);
  }
  .drawer-list{display:grid;gap:2px;padding:14px 0;}
  .drawer-link{
    display:block;padding:14px 12px;border-radius:10px;font-size:16px;font-weight:500;color:var(--ink-600);
  }
  .drawer-link:hover{background:var(--sand-50);color:var(--brand-700);}
  .drawer-link.active{background:rgba(18,162,119,.1);color:var(--brand-700);font-weight:700;}
  .drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--sand-100);}
  .drawer-tip{font-size:13px;color:var(--ink-600);margin-bottom:12px;}

  @media (max-width:639px){
    h1{font-size:28px;line-height:1.28;}
    h2{font-size:24px;line-height:1.32;}
    h3{font-size:18px;line-height:1.44;}
    .section-head h2{padding-left:14px;}
    .stat-grid{grid-template-columns:1fr;gap:10px;}
  }