/* roulang page: index */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --ink:#0E1A16;
  --ink-2:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --ok:#1F9D55;
  --warn:#FFB020;
  --err:#D92D20;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(14,26,22,.06);
  --shadow-2:0 16px 36px -16px rgba(14,26,22,.28);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --font-num:"Barlow Condensed","Oswald","DIN Alternate","Arial Narrow",var(--font-sans);
  --space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:48px;--space-6:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
input,select,textarea{font-family:inherit;font-size:16px;}
h1{font-size:48px;line-height:1.17;font-weight:800;letter-spacing:-.01em;}
h2{font-size:34px;line-height:1.29;font-weight:700;letter-spacing:-.01em;}
h3{font-size:22px;line-height:1.36;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:700;}
p{font-size:16px;line-height:1.8;color:var(--ink-2);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1400px){.container{max-width:1280px;}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* 活动条 */
.promo-bar{background:var(--deep);color:#DDE7E1;font-size:14px;position:relative;z-index:60;}
.promo-bar.is-hidden{display:none;}
.promo-inner{display:flex;align-items:center;gap:14px;min-height:40px;padding-top:6px;padding-bottom:6px;flex-wrap:nowrap;}
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:2px 12px;font-size:12px;line-height:20px;font-weight:700;white-space:nowrap;}
.badge-hot{background:var(--brand);color:#fff;}
.badge-lime{background:var(--lime);color:var(--deep);}
.badge-soft{background:#E3F0E8;color:var(--green);}
.badge-deep{background:var(--deep);color:#fff;}
.promo-text{color:#DDE7E1;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.countdown{display:inline-flex;align-items:center;gap:2px;font-family:var(--font-num);font-weight:700;color:var(--lime);font-size:17px;}
.countdown .sep{opacity:.65;}
.promo-link{margin-left:auto;color:var(--lime);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.promo-link .arrow{transition:transform .2s ease-out;}
.promo-link:hover .arrow{transform:translateX(3px);}
.promo-close{width:28px;height:28px;border-radius:8px;color:#9FB4AA;font-size:18px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:background .2s ease-out,color .2s ease-out;}
.promo-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(14,26,22,.35);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease-out;}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--deep);display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.logo-mark::after{content:"";position:absolute;right:-6px;bottom:-8px;width:26px;height:26px;border:3px solid var(--lime);border-radius:50%;opacity:.55;}
.logo-mark svg{width:20px;height:20px;position:relative;z-index:1;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s ease-out;}
.site-header.is-scrolled .nav-link{height:64px;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--brand);border-radius:3px 3px 0 0;transform:scaleX(0);transform-origin:left center;transition:transform .2s ease-out;}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-chip{display:inline-flex;align-items:center;gap:6px;background:#E3F0E8;color:#1D6647;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;white-space:nowrap;}
.status-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,85,.18);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);padding:13px 24px;font-size:15px;font-weight:700;line-height:1.2;border:1.5px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-lg{padding:16px 30px;font-size:16px;}
.btn-block{width:100%;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(14,26,22,.06);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(240,78,35,.75);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{background:#fff;color:var(--deep);border-color:var(--deep);}
.btn-outline:hover{background:#E8F1EA;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-lime{background:var(--lime);color:var(--deep);}
.btn-lime:hover{background:#D8FA6B;transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(201,242,77,.9);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{background:#E7EBE6;color:#94A29B;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.text-link .arrow{transition:transform .2s ease-out;}
.text-link:hover .arrow{transform:translateX(3px);}
.text-link:hover{color:var(--brand-dark);}

/* 区块 */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-deep{background:var(--deep);color:#DDE7E1;position:relative;overflow:hidden;}
.section-deep h2,.section-deep h3{color:#fff;}
.section-deep p{color:#B7C8C0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:10px;}
.section-lead{max-width:640px;margin-top:12px;}

/* Hero */
.hero{position:relative;background:var(--deep);color:#fff;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(94deg,rgba(13,43,34,.94) 0%,rgba(13,43,34,.82) 46%,rgba(13,43,34,.62) 100%);}
.hero-track{position:absolute;right:-140px;bottom:-190px;width:560px;height:560px;border:2px solid rgba(201,242,77,.28);border-radius:50%;pointer-events:none;}
.hero-track::before{content:"";position:absolute;inset:56px;border:2px solid rgba(201,242,77,.16);border-radius:50%;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:88px 24px 96px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.4);color:var(--lime);border-radius:999px;padding:6px 16px;font-size:13px;font-weight:700;letter-spacing:.04em;}
.hero h1{color:#fff;margin-top:22px;max-width:620px;}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.75;color:#C6D6CE;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.trust-row li{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:7px 15px;font-size:13px;color:#DCE9E2;}
.trust-row li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}

/* 登录卡 */
.login-card{background:#fff;border-radius:var(--radius-card);padding:28px;box-shadow:0 24px 60px -22px rgba(0,0,0,.55);color:var(--ink);}
.login-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;}
.login-head h2{font-size:22px;font-weight:800;}
.field{display:block;margin-bottom:16px;}
.field-label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
.field input,.field select,.field textarea{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 14px;background:#FBFCFA;color:var(--ink);transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;}
.field input::placeholder{color:#9AA8A1;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 2px rgba(201,242,77,.9);}
.field.is-error input{border-color:var(--err);}
.field .field-msg{display:block;margin-top:6px;font-size:12px;color:var(--err);}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 20px;}
.check{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);cursor:pointer;}
.check input{width:17px;height:17px;accent-color:var(--brand);}
.login-note{margin-top:14px;font-size:12px;line-height:1.7;color:#7E8C86;text-align:center;}
.login-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;}
.login-foot a{color:var(--green);font-weight:600;}
.login-foot a:hover{color:var(--brand);}

/* 指标条 */
.metrics{background:#fff;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{padding:28px 24px;border-radius:var(--radius-card);background:var(--bg);}
.metric .value{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:40px;font-weight:700;line-height:1;color:var(--deep);}
.metric .value em{font-style:normal;font-size:20px;margin-left:2px;color:var(--brand);}
.metric .label{margin-top:10px;font-size:14px;color:var(--ink-2);}

/* 功能分组 */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.feature-lead{grid-column:span 2;display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;background:var(--deep);border-color:transparent;color:#DDE7E1;padding:32px;}
.feature-lead h3{color:#fff;}
.feature-lead p{color:#B7C8C0;}
.feature-lead figure{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;}
.feature-lead img{width:100%;height:100%;object-fit:cover;}
.feature-wide{grid-column:span 2;display:flex;align-items:center;gap:28px;background:#fff;}
.icon-box{width:48px;height:48px;border-radius:14px;background:#E8F1EA;color:var(--green);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
.icon-box svg{width:24px;height:24px;}
.feature h3{margin-top:18px;}
.feature-lead .icon-box{background:rgba(201,242,77,.16);color:var(--lime);}
.feature-lead h3{margin-top:18px;}
.feature p{margin-top:10px;}
.point-list{margin-top:16px;display:grid;gap:8px;}
.point-list li{position:relative;padding-left:24px;font-size:14px;color:var(--ink-2);}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:13px;height:7px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);}
.feature-lead .point-list li{color:#C6D6CE;}
.feature-lead .point-list li::before{border-color:var(--lime);}
.feature-wide .wide-body{flex:1;}

/* 使用场景 */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line);}
.scene:last-child{border-bottom:none;}
.scene-index{font-family:var(--font-num);font-size:64px;font-weight:700;color:#DCE5DE;line-height:1;letter-spacing:.02em;}
.scene h3{margin-top:8px;}
.scene p{margin-top:12px;}
.scene-figure{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);}
.scene-figure img{width:100%;height:100%;object-fit:cover;}
.scene.is-reverse .scene-copy{order:2;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-flex;align-items:center;background:#F0F4EE;border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:13px;color:var(--ink-2);}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out;display:flex;flex-direction:column;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.case-card figure{aspect-ratio:16/9;overflow:hidden;}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.case-card:hover img{transform:scale(1.04);}
.case-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.case-quote{font-size:15px;line-height:1.8;color:var(--ink);}
.case-stats{display:flex;flex-wrap:wrap;gap:10px;}
.case-stats span{background:var(--bg);border-radius:10px;padding:7px 13px;font-size:13px;color:var(--ink-2);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600;}
.case-from{font-size:13px;color:#7E8C86;margin-top:auto;}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.plan.is-featured{border:2px solid var(--deep);transform:translateY(-10px);box-shadow:var(--shadow-2);}
.plan.is-featured:hover{transform:translateY(-14px);}
.plan-flag{position:absolute;top:-13px;left:26px;}
.plan h3{font-size:20px;}
.plan .plan-desc{margin-top:8px;font-size:14px;}
.plan-price{display:flex;align-items:flex-end;gap:6px;margin:20px 0 6px;}
.plan-price .amount{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:46px;font-weight:700;line-height:1;color:var(--deep);}
.plan-price .unit{font-size:14px;color:var(--ink-2);padding-bottom:6px;}
.plan .plan-note{font-size:13px;color:#7E8C86;}
.plan ul{margin:22px 0 26px;display:grid;gap:10px;}
.plan ul li{position:relative;padding-left:26px;font-size:14px;color:var(--ink-2);}
.plan ul li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:8px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg);}
.plan .btn{margin-top:auto;}

/* 资讯卡 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE5DC;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-media .badge{position:absolute;left:14px;top:14px;background:var(--deep);color:var(--lime);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out;}
.news-card:hover .news-title{color:var(--brand);}
.news-excerpt{font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#7E8C86;}
.empty-state{border:1px dashed #C7D2C9;border-radius:var(--radius-card);padding:56px 24px;text-align:center;background:#fff;}
.empty-state .empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:#E8F1EA;color:var(--green);display:flex;align-items:center;justify-content:center;}
.empty-state .empty-icon svg{width:26px;height:26px;}
.empty-state p{margin-bottom:18px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 24px;min-height:64px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);transition:color .2s ease-out;}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s ease-out;}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* CTA 带 */
.cta-band{background:var(--deep);position:relative;overflow:hidden;color:#DDE7E1;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;}
.cta-curve{position:absolute;right:-120px;top:-160px;width:420px;height:420px;border:2px solid rgba(201,242,77,.22);border-radius:50%;}
.cta-inner{position:relative;z-index:1;padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;}
.cta-inner p{margin-top:12px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--deep);color:#DDE7E1;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#8FA79C;margin-bottom:16px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.site-footer p{color:#A9BDB4;font-size:14px;line-height:1.8;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#DDE7E1;transition:color .2s ease-out;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:grid;gap:12px;}
.footer-contact div{display:flex;gap:10px;font-size:14px;color:#DDE7E1;}
.footer-contact span:first-child{color:#8FA79C;flex-shrink:0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA79C;}
.social-row{display:flex;gap:10px;}
.social-row a{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:#DDE7E1;transition:background .2s ease-out,color .2s ease-out;}
.social-row a:hover{background:rgba(201,242,77,.16);color:var(--lime);}
.social-row svg{width:17px;height:17px;}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(13,43,34,.5);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:#fff;z-index:80;transform:translateX(100%);transition:transform .24s ease-out;display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);font-size:20px;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;}
.drawer-close:hover{background:var(--bg);}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px;}
.drawer-nav a{padding:13px 14px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;color:var(--ink-2);border:1px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
.drawer-nav a:hover{background:var(--bg);color:var(--ink);}
.drawer-nav a.active{background:#E8F1EA;color:var(--deep);border-color:#CBE3D5;}
.drawer-foot{margin-top:auto;display:grid;gap:12px;}

/* 响应式 */
@media(max-width:1199px){
  .container{max-width:960px;}
  h1{font-size:40px;}
  h2{font-size:30px;}
  .hero-inner{grid-template-columns:1fr .9fr;gap:36px;padding:72px 24px 80px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-lead,.feature-wide{grid-column:span 1;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:28px;}
}
@media(max-width:991px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{justify-content:space-between;}
  .section{padding:72px 0;}
  .hero-inner{grid-template-columns:1fr;padding:56px 24px 64px;}
  .hero h1{max-width:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .scene{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .scene.is-reverse .scene-copy{order:0;}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:repeat(2,1fr);}
  .plan.is-featured{transform:none;}
  .plan.is-featured:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media(max-width:767px){
  .promo-text{display:none;}
  .promo-link{margin-left:auto;font-size:13px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .metric{padding:20px 18px;}
  .metric .value{font-size:32px;}
  .price-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:575px){
  .container{padding:0 16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  .promo-bar .badge-hot{display:inline-flex;}
  .hero{background:var(--deep);}
  .hero-bg{position:relative;height:460px;}
  .hero-bg::after{position:absolute;}
  .hero-inner{padding:24px 16px 48px;}
  .hero-cta .btn{width:100%;}
  .trust-row li{font-size:12px;padding:6px 12px;}
  .login-card{padding:22px;}
  .feature{padding:22px;}
  .btn{width:auto;}
  .faq-q{font-size:16px;padding:0 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --ink:#0E1A16;
  --ink-2:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --deep-2:#123527;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --success:#1F9D55;
  --warn:#FFB020;
  --error:#D92D20;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(14,26,22,.06);
  --shadow-2:0 16px 36px -16px rgba(14,26,22,.28);
  --maxw:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-0.01em;line-height:1.3;font-weight:700}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--deep)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:var(--deep);
  color:var(--lime);
  font-size:14px;
  min-height:40px;
  display:flex;
  align-items:center;
}
.promo-bar .container{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.promo-badge{
  background:var(--brand);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:3px 10px;
  border-radius:999px;
  letter-spacing:.04em;
}
.promo-count{display:flex;align-items:center;gap:6px;color:#fff;font-weight:600}
.promo-count b{
  font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.12);
  border-radius:6px;
  padding:2px 7px;
  font-size:13px;
}
.promo-link{
  color:var(--lime);
  font-weight:600;
  border-bottom:1px solid rgba(201,242,77,.45);
  padding-bottom:1px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.promo-link:hover{color:#fff;border-color:#fff}
.promo-close{
  margin-left:auto;
  width:28px;height:28px;
  border-radius:8px;
  display:grid;place-items:center;
  color:#DDE7E1;
  transition:background .2s ease-out,color .2s ease-out;
}
.promo-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(14,26,22,.45)}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  min-height:var(--nav-h);
  transition:min-height .2s ease-out;
}
.site-header.is-scrolled .nav-inner{min-height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--deep);
  display:grid;place-items:center;
  flex:0 0 auto;
}
.logo-mark svg{width:24px;height:24px}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:10px;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--ink);background:#F1F4EF}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#E7F6EC;color:var(--green);
  font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:999px;
}
.status-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;
  padding:0 22px;height:48px;
  border:1.5px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(240,78,35,.9)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(201,59,20,.85)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--deep);border-color:var(--deep)}
.btn-ghost:hover{background:#EDF3EC;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--deep)}
.btn-lime:hover{background:#D8F86C;transform:translateY(-1px)}
.btn-lime:active{transform:translateY(0)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:15px;
}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumb-band{background:#fff;border-bottom:1px solid var(--line)}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--ink-2);
  padding:14px 0;
}
.crumb a{color:var(--ink-2);transition:color .2s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:#A9B5AF}
.crumb .is-current{color:var(--ink);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:var(--deep);
  color:#fff;
  padding:56px 0 64px;
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;right:-160px;bottom:-220px;
  width:520px;height:520px;border-radius:50%;
  border:1.5px solid rgba(201,242,77,.22);
  box-shadow:0 0 0 60px rgba(201,242,77,.06), 0 0 0 130px rgba(201,242,77,.04);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;max-width:880px}
.article-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  color:var(--lime);
  font-size:13px;font-weight:600;
  padding:5px 13px;border-radius:999px;
  margin-bottom:18px;
}
.article-hero h1{
  font-size:clamp(26px,4vw,42px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.01em;
}
.article-meta{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:22px;
  font-size:14px;color:#CFDDD6;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:16px;height:16px;opacity:.85}
.meta-tag{
  background:var(--lime);color:var(--deep);
  font-weight:700;font-size:13px;
  padding:4px 12px;border-radius:999px;
}

/* ---------- 正文区 ---------- */
.article-main{padding:56px 0 72px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,780px) 1fr;
  gap:48px;
  justify-content:center;
}
.article-shell{
  max-width:780px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:40px 44px 48px;
}
.article-body{font-size:16.5px;line-height:1.9;color:#1B2A24}
.article-body>*+*{margin-top:18px}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;
  padding-left:16px;
  margin-top:38px;
  margin-bottom:6px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:700;margin-top:26px;color:var(--deep)}
.article-body p{color:#26362F}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(240,78,35,.35)}
.article-body a:hover{border-color:var(--brand)}
.article-body strong{font-weight:700;color:var(--deep)}
.article-body ul,.article-body ol{padding-left:4px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-top:10px;color:#26362F;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:8px;height:8px;border-radius:2px;background:var(--lime);
  box-shadow:0 0 0 3px rgba(201,242,77,.28);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:6px;
  background:var(--deep);color:var(--lime);
  font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:22px 0;
  padding:18px 22px;
  background:#F7F9F5;
  border-left:4px solid var(--green);
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:#33443C;
  font-style:normal;
}
.article-body figure{margin:26px 0}
.article-body figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
}
.article-body figcaption{
  margin-top:10px;font-size:13.5px;color:var(--ink-2);text-align:center;
}
.article-body .tip{
  margin:24px 0;
  background:#EFF8F0;
  border-left:4px solid var(--success);
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  padding:16px 20px;
  font-size:15.5px;color:#1F3B2C;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  overflow:hidden;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);
  padding:12px 14px;text-align:left;
}
.article-body th{background:#F5F8F4;font-weight:700;color:var(--deep)}
.article-body tr:last-child td{border-bottom:0}
.article-body img{max-width:100%;border-radius:var(--radius-img)}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.tag{
  display:inline-flex;align-items:center;
  font-size:13.5px;font-weight:600;
  padding:6px 14px;border-radius:999px;
  background:#F1F4EF;color:var(--ink-2);
  border:1px solid var(--line);
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.tag:hover{background:var(--deep);color:var(--lime);border-color:var(--deep)}

/* ---------- 空态 ---------- */
.empty-state{
  border:1.5px dashed #C6D2C8;
  border-radius:var(--radius-card);
  padding:52px 28px;
  text-align:center;
  background:#FBFCFA;
}
.empty-state svg{width:44px;height:44px;color:var(--green);margin:0 auto 16px}
.empty-state h2{font-size:22px;margin-bottom:8px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.side-title{font-size:15px;font-weight:700;color:var(--deep);margin-bottom:14px}
.side-list li+li{margin-top:12px}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-2);
  transition:color .2s ease-out;
}
.side-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  margin-top:9px;flex:0 0 auto;
}
.side-list a:hover{color:var(--brand)}
.side-note{
  background:var(--deep);color:#DDE7E1;border:0;
}
.side-note .side-title{color:#fff}
.side-note p{font-size:14px;color:#C6D6CD;margin-bottom:16px}

/* ---------- 相关推荐 ---------- */
.related{padding:8px 0 76px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:26px}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post-thumb{position:relative;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.thumb-tag{
  position:absolute;left:12px;top:12px;
  background:var(--deep);color:var(--lime);
  font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:999px;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease-out;
}
.post-card:hover .post-body h3{color:var(--brand)}
.post-body p{
  margin-top:10px;font-size:14px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#7A8880;
}
.post-foot .link-arrow{font-size:13.5px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background:var(--deep);
  color:#fff;
  padding:64px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-120px;top:-140px;
  width:420px;height:420px;border-radius:50%;
  border:1.5px solid rgba(201,242,77,.18);
  box-shadow:0 0 0 54px rgba(201,242,77,.05);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:30px;color:#fff}
.cta-inner p{color:#C6D6CD;margin-top:8px;font-size:15.5px;max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#DDE7E1;padding:64px 0 0;font-size:14.5px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .logo-text{color:#fff}
.site-footer p{color:#B9CCC2;line-height:1.8}
.footer-title{
  color:#fff;font-size:13px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#C6D6CD;transition:color .2s ease-out}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:flex;flex-direction:column;gap:11px}
.footer-contact div{display:flex;justify-content:space-between;gap:14px;color:#C6D6CD}
.footer-contact div span:first-child{color:#8FA79C}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#9FB5AA;
}
.social-row{display:flex;gap:10px}
.social-row a{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#DDE7E1;
  transition:background .2s ease-out,color .2s ease-out;
}
.social-row a:hover{background:var(--lime);color:var(--deep)}
.social-row svg{width:19px;height:19px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:14px;
  background:var(--deep);color:var(--lime);
  display:grid;place-items:center;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,background .2s ease-out;
}
.to-top svg{width:20px;height:20px}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:#123527}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;z-index:90;
  transform:translateX(100%);
  transition:transform .24s ease-out;
  display:flex;flex-direction:column;
  padding:24px 22px;
  box-shadow:-20px 0 50px -30px rgba(14,26,22,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background .2s ease-out,color .2s ease-out;
}
.drawer-nav a:hover{background:#F1F4EF;color:var(--brand-dark)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,43,34,.5);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,780px);gap:36px}
  .side-stack{flex-direction:row;flex-wrap:wrap}
  .side-stack>*{flex:1 1 280px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .status-chip{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-hero{padding:44px 0 52px}
  .article-main{padding:44px 0 56px}
  .article-shell{padding:32px 28px 36px}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-shell{padding:26px 20px 30px;border-radius:14px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17.5px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .promo-bar{font-size:13px}
  .promo-count{display:none}
  .article-meta{gap:12px;font-size:13px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:575px){
  .promo-bar .container{gap:10px}
  .promo-link{font-size:12.5px}
  .article-hero{padding:34px 0 40px}
  .article-hero::before{display:none}
  .crumb .is-current{max-width:100%;white-space:normal}
  .cta-band{padding:48px 0}
  .cta-actions .btn{width:100%}
  .btn{height:46px}
}

/* roulang page: category1 */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --text:#0E1A16;
  --muted:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --success:#1F9D55;
  --warn:#FFB020;
  --error:#D92D20;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(14,26,22,.06);
  --sh-2:0 16px 36px -16px rgba(14,26,22,.28);
  --font-num:'Barlow Condensed','Oswald','Arial Narrow',ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ 活动条 ============ */
.announce-bar{background:var(--deep);color:var(--lime);font-size:14px;min-height:40px;display:flex;align-items:center;position:relative;}
.announce-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px;padding-right:48px;}
.announce-badge{background:var(--brand);color:#fff;border-radius:999px;font-size:12px;line-height:1;padding:5px 10px;font-weight:700;letter-spacing:.04em;}
.announce-count{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:#fff;letter-spacing:.06em;font-size:15px;}
.announce-link{color:var(--lime);border-bottom:1px solid rgba(201,242,77,.5);padding-bottom:1px;transition:color .2s ease-out,border-color .2s ease-out;}
.announce-link:hover{color:#fff;border-color:#fff;}
.announce-close{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:transparent;border:0;color:rgba(255,255,255,.7);cursor:pointer;padding:6px;line-height:0;border-radius:8px;transition:color .2s ease-out,background .2s ease-out;}
.announce-close:hover{color:#fff;background:rgba(255,255,255,.1);}
.announce-bar.is-hidden{display:none;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;}
.site-header.scrolled{box-shadow:0 6px 20px -12px rgba(14,26,22,.35);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease-out;}
.site-header.scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--deep);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:10px 12px;border-radius:10px;transition:color .2s ease-out,background .2s ease-out;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;}
.nav-link:hover{color:var(--text);background:#F2F5EE;}
.nav-link.active{color:var(--text);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.status-chip{display:inline-flex;align-items:center;gap:6px;background:#E7F5EC;color:var(--green);font-size:13px;font-weight:600;border-radius:999px;padding:6px 12px;white-space:nowrap;}
.status-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:16px;font-weight:600;padding:13px 24px;border:1.5px solid transparent;cursor:pointer;transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;line-height:1.2;text-align:center;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px -8px rgba(240,78,35,.7);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(240,78,35,.8);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{background:#fff;color:var(--deep);border-color:var(--deep);}
.btn-ghost:hover{background:#EAF3EC;transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-lime{background:var(--lime);color:var(--deep);}
.btn-lime:hover{background:#D7F76B;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(201,242,77,.8);}
.btn-lime:active{transform:none;}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;}
.text-link svg{transition:transform .2s ease-out;}
.text-link:hover svg{transform:translateX(3px);}

/* ============ 分类 Hero ============ */
.category-hero{position:relative;background:var(--deep);color:#fff;overflow:hidden;padding:64px 0 44px;}
.category-hero::before{content:"";position:absolute;right:-140px;bottom:-220px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(201,242,77,.28);}
.category-hero::after{content:"";position:absolute;right:-60px;bottom:-300px;width:620px;height:620px;border-radius:50%;border:1px solid rgba(255,255,255,.12);}
.category-hero .hero-ghost{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center right;opacity:.2;mix-blend-mode:luminosity;pointer-events:none;}
.category-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{opacity:.5;}
.crumb .current{color:#fff;}
.hero-pill{display:inline-flex;align-items:center;gap:8px;background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.4);color:var(--lime);font-size:13px;font-weight:600;border-radius:999px;padding:6px 14px;margin-bottom:20px;}
.category-hero h1{font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.01em;max-width:760px;}
.category-hero .hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:660px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.anchor-bar{position:relative;z-index:2;margin-top:36px;display:flex;gap:10px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;}
.anchor-bar a{font-size:14px;font-weight:600;color:rgba(255,255,255,.8);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:8px 16px;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
.anchor-bar a:hover{background:var(--lime);color:var(--deep);border-color:var(--lime);}

/* ============ 通用板块 ============ */
main{display:block;}
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:10px;color:var(--muted);font-size:16px;max-width:640px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);margin-bottom:12px;}

/* ============ 准备事项 ============ */
.prep-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;}
.prep-list{display:grid;gap:16px;}
.prep-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:flex;gap:16px;transition:transform .2s ease-out,box-shadow .2s ease-out;}
.prep-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.prep-icon{width:44px;height:44px;border-radius:12px;background:#E7F0EA;color:var(--green);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.prep-icon svg{width:22px;height:22px;}
.prep-item h3{font-size:18px;font-weight:700;margin-bottom:4px;}
.prep-item p{color:var(--muted);font-size:15px;line-height:1.75;}
.prep-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;}
.prep-media img{width:100%;height:100%;object-fit:cover;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:0;}
.timeline::before{content:"";position:absolute;left:31px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--lime) 0%,var(--line) 100%);}
.step{position:relative;display:grid;grid-template-columns:64px 1fr;gap:24px;padding-bottom:28px;}
.step:last-child{padding-bottom:0;}
.step-dot{width:64px;height:64px;border-radius:50%;background:var(--deep);color:var(--lime);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;border:4px solid var(--bg);box-shadow:0 0 0 1px var(--line);position:relative;z-index:1;}
.step-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:grid;grid-template-columns:1fr 260px;gap:24px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFDCCF;}
.step-body h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.step-body p{color:var(--muted);font-size:15px;line-height:1.8;}
.step-tip{margin-top:12px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green);background:#EAF6EF;border-radius:999px;padding:5px 12px;}
.step-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);}
.step-media img{width:100%;height:100%;object-fit:cover;}

/* ============ 方式对比 ============ */
.compare-list{display:grid;gap:12px;}
.compare-row{display:grid;grid-template-columns:1.1fr 1.4fr 1fr 120px;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 24px;box-shadow:var(--sh-1);transition:border-color .2s ease-out,transform .2s ease-out;}
.compare-row:hover{border-color:#CFDCCF;transform:translateY(-2px);}
.compare-head{background:var(--deep);border-color:var(--deep);color:#fff;box-shadow:none;}
.compare-head:hover{transform:none;border-color:var(--deep);}
.compare-head span{font-size:13px;letter-spacing:.08em;font-weight:700;color:rgba(255,255,255,.85);}
.compare-row .c-name{font-weight:700;font-size:16px;}
.compare-row .c-desc{color:var(--muted);font-size:14px;line-height:1.7;}
.compare-row .c-tag{justify-self:start;}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:700;border-radius:999px;padding:5px 12px;white-space:nowrap;line-height:1.2;}
.tag-lime{background:var(--lime);color:var(--deep);}
.tag-green{background:#E7F5EC;color:var(--green);}
.tag-deep{background:var(--deep);color:#fff;}
.tag-orange{background:var(--brand);color:#fff;}

/* ============ 提示框 ============ */
.notice{margin-top:32px;background:#EAF6EF;border-left:4px solid var(--green);border-radius:12px;padding:20px 24px;display:flex;gap:14px;align-items:flex-start;}
.notice svg{flex:0 0 auto;width:22px;height:22px;color:var(--green);margin-top:2px;}
.notice p{font-size:15px;color:#1F4034;line-height:1.8;}
.notice strong{color:var(--deep);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out;}
.faq-item:hover{border-color:#CFDCCF;}
.faq-item.open{box-shadow:var(--sh-2);}
.faq-q{width:100%;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;text-align:left;min-height:64px;transition:color .2s ease-out;}
.faq-q:hover{color:var(--brand);}
.faq-sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:#EAF0E9;color:var(--deep);display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:1;transition:transform .2s ease-out,background .2s ease-out;}
.faq-item.open .faq-sign{transform:rotate(45deg);background:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ 相关阅读 ============ */
.read-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.read-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out;}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.read-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.read-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.read-card:hover .read-thumb img{transform:scale(1.04);}
.read-thumb .thumb-tag{position:absolute;left:12px;top:12px;background:var(--deep);color:var(--lime);font-size:12px;font-weight:700;border-radius:999px;padding:5px 12px;}
.read-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.read-body h3{font-size:16px;font-weight:700;line-height:1.55;}
.read-card:hover .read-body h3{color:var(--brand);}
.read-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.read-body .read-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--deep);color:#fff;position:relative;overflow:hidden;}
.cta-band .grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:64px 64px;pointer-events:none;}
.cta-inner{position:relative;z-index:2;padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:30px;font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.75);font-size:16px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#DDE7E1;padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer p{line-height:1.85;color:rgba(221,231,225,.78);font-size:14px;}
.footer-title{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(221,231,225,.6);font-weight:700;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(221,231,225,.85);font-size:14px;transition:color .2s ease-out;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:grid;gap:10px;}
.footer-contact div{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:rgba(221,231,225,.85);}
.footer-contact div span:first-child{color:rgba(221,231,225,.58);flex:0 0 auto;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(221,231,225,.6);}
.social-row{display:flex;gap:10px;}
.social-row a{width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:rgba(221,231,225,.8);transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
.social-row a:hover{background:var(--lime);color:var(--deep);border-color:var(--lime);}
.social-row svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px;}
  .read-grid{grid-template-columns:repeat(2,1fr);}
  .compare-row{grid-template-columns:1fr 1.3fr 1fr;grid-template-areas:"name desc tag" "name desc action";row-gap:8px;}
  .compare-row .c-name{grid-area:name;}
  .compare-row .c-desc{grid-area:desc;}
  .compare-row .c-tag{grid-area:tag;}
  .compare-row .c-action{grid-area:action;}
}
@media (max-width:991px){
  .nav-inner{height:68px;}
  .main-nav{position:fixed;top:0;right:0;width:320px;height:100vh;background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;padding:88px 24px 32px;box-shadow:-16px 0 40px -20px rgba(14,26,22,.4);transform:translateX(105%);transition:transform .2s ease-out;z-index:70;overflow-y:auto;}
  .main-nav.open{transform:translateX(0);}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:#EAF3EC;color:var(--deep);}
  .nav-toggle{display:flex;}
  .nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .category-hero{padding:56px 0 36px;}
  .category-hero h1{font-size:36px;}
  .category-hero .hero-sub{font-size:16px;}
  .section{padding:72px 0;}
  .prep-grid{grid-template-columns:1fr;}
  .step-body{grid-template-columns:1fr;gap:18px;}
  .step-media{max-width:420px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{padding:60px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .announce-inner{gap:10px;font-size:13px;}
  .category-hero h1{font-size:30px;line-height:1.28;}
  .category-hero .hero-sub{font-size:15px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .section-head{margin-bottom:28px;}
  .btn{font-size:15px;padding:12px 20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .step{grid-template-columns:48px 1fr;gap:16px;}
  .step-dot{width:48px;height:48px;font-size:18px;}
  .timeline::before{left:23px;}
  .step-body{padding:20px;}
  .step-media{max-width:100%;}
  .compare-row{display:block;padding:18px 20px;}
  .compare-row .c-name{margin-bottom:6px;}
  .compare-row .c-desc{margin-bottom:10px;}
  .compare-row > *{display:block;margin-bottom:8px;}
  .compare-head{display:none;}
  .read-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 20px;}
  .faq-a-inner{padding:0 20px 20px;}
}
@media (max-width:575px){
  .announce-count{display:none;}
  .announce-close{right:8px;}
  .category-hero{padding:44px 0 30px;}
  .category-hero h1{font-size:26px;}
  .eyebrow{letter-spacing:.08em;}
  .footer-contact div{flex-direction:column;gap:2px;}
  .footer-contact div span:first-child{font-size:13px;}
}

/* roulang page: category2 */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --text:#0E1A16;
  --text-2:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --success:#1F9D55;
  --warn:#FFB020;
  --error:#D92D20;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(14,26,22,.06);
  --sh-2:0 16px 36px -16px rgba(14,26,22,.28);
  --container:1200px;
  --ease:200ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.25;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1.5px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{background:var(--surface);color:var(--deep);border-color:var(--deep);}
.btn-outline:hover{background:#EAF3EC;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-lime{background:var(--lime);color:var(--deep);}
.btn-lime:hover{background:#D8FA6E;transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(201,242,77,.6);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 标签 / 徽章 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  background:rgba(255,255,255,.14);
  color:#EAF3EC;
  border:1px solid rgba(255,255,255,.18);
}
.chip-lime{background:var(--lime);color:var(--deep);border-color:var(--lime);}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:#E4F3E9;
  color:#1B5C3B;
  font-size:13px;
  font-weight:600;
}
.status-chip::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 3px rgba(31,157,85,.18);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:#EAF3EC;
  color:#1B5C3B;
  font-size:12.5px;
  font-weight:600;
}
.tag-deep{background:var(--deep);color:var(--lime);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -14px rgba(14,26,22,.28);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:var(--deep);
  flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--deep);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 12px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:#F1F4EF;}
.nav-link.active{color:var(--deep);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-18px;
  height:3px;
  border-radius:2px 2px 0 0;
  background:var(--brand);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--deep);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:320px;
  max-width:86vw;
  height:100%;
  background:#fff;
  z-index:80;
  padding:24px 22px;
  transform:translateX(100%);
  transition:transform var(--ease);
  box-shadow:-18px 0 44px -22px rgba(14,26,22,.4);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  color:var(--text-2);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:18px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:46px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:#F1F4EF;color:var(--text);}
.drawer-nav a.active{background:#EAF3EC;color:var(--deep);font-weight:700;}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(13,43,34,.45);
  z-index:70;
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  color:#fff;
  padding:52px 0 0;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.cat-hero::after{
  content:"";
  position:absolute;
  width:560px;height:560px;
  right:-200px;bottom:-330px;
  border:2px solid rgba(201,242,77,.30);
  border-radius:50%;
  pointer-events:none;
}
.cat-hero .arc-sm{
  position:absolute;
  width:360px;height:360px;
  right:-60px;bottom:-240px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:50%;
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.68);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.breadcrumb .current{color:#fff;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lime);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--lime);
  border-radius:2px;
}
.cat-hero h1{
  font-size:40px;
  font-weight:800;
  line-height:1.2;
  max-width:760px;
}
.cat-sub{
  margin-top:14px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:660px;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.anchor-bar{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:32px;
  padding:10px;
  border-radius:14px 14px 0 0;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-bottom:0;
  backdrop-filter:blur(2px);
}
.anchor-bar a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:10px;
  font-size:14px;
  font-weight:500;
  color:rgba(255,255,255,.85);
  transition:background var(--ease),color var(--ease);
}
.anchor-bar a:hover{background:rgba(201,242,77,.16);color:var(--lime);}

/* ---------- 指标条 ---------- */
.stat-strip{
  position:relative;
  z-index:3;
  margin-top:-1px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.stat-item{
  padding:26px 0;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-item .figure{
  font-size:28px;
  font-weight:800;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--deep);
}
.stat-item .figure em{font-style:normal;color:var(--brand);}
.stat-item .label{
  display:block;
  margin-top:6px;
  font-size:13.5px;
  color:var(--text-2);
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:34px;
  font-weight:700;
  color:var(--deep);
}
.section-head p{
  margin-top:10px;
  font-size:16px;
  color:var(--text-2);
  max-width:620px;
}

/* ---------- 图文交替块 ---------- */
.split-list{display:flex;flex-direction:column;gap:64px;}
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-text .index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--deep);
  color:var(--lime);
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.split-text h3{
  font-size:24px;
  font-weight:700;
  color:var(--deep);
}
.split-text .lead{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:10px;
  font-size:15.5px;
  line-height:1.7;
  color:var(--text);
}
.check-list li .mark{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:7px;
  background:#EAF3EC;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.check-list li .mark svg{width:13px;height:13px;}
.split-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--sh-1);
  border:1px solid var(--line);
  background:#fff;
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.split-media .media-tag{
  position:absolute;
  left:16px;top:16px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(13,43,34,.86);
  color:var(--lime);
  font-size:12.5px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
}
.split.reverse .split-text{order:2;}
.split.reverse .split-media{order:1;}

/* ---------- 提示框 ---------- */
.note{
  margin-top:24px;
  padding:18px 20px;
  border-radius:12px;
  background:#EAF3EC;
  border-left:3px solid var(--green);
  font-size:14.5px;
  line-height:1.75;
  color:#1B4A37;
}

/* ---------- 相关阅读卡片 ---------- */
.read-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3DCD4;}
.card-media{position:relative;}
.card-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.card-media .tag-deep{
  position:absolute;
  left:12px;top:12px;
}
.card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{
  font-size:16.5px;
  font-weight:700;
  line-height:1.5;
  color:var(--deep);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--ease);
}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-2);
}
.card-foot .read{color:var(--brand);font-weight:600;}

/* ---------- 底部 CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  color:#fff;
  padding:72px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:480px;height:480px;
  right:-190px;top:-260px;
  border:2px solid rgba(201,242,77,.22);
  border-radius:50%;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-inner h2{
  font-size:32px;
  font-weight:700;
}
.cta-inner p{
  margin-top:12px;
  font-size:16px;
  color:rgba(255,255,255,.8);
  max-width:560px;
}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:#DDE7E1;
  padding-top:72px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .logo-text{color:#fff;}
.site-footer p{
  font-size:14px;
  line-height:1.8;
  color:rgba(221,231,225,.78);
}
.footer-title{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lime);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14.5px;
  color:rgba(221,231,225,.82);
  transition:color var(--ease),transform var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--lime);transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact div{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:rgba(221,231,225,.82);
  padding-bottom:10px;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.footer-contact div span:first-child{color:rgba(221,231,225,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-size:13.5px;
  color:rgba(221,231,225,.68);
}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(221,231,225,.82);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.social-row a:hover{background:rgba(201,242,77,.14);color:var(--lime);border-color:rgba(201,242,77,.4);}
.social-row svg{width:18px;height:18px;}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  :root{--container:1280px;}
}
@media (max-width:1199px){
  :root{--container:960px;}
  .read-grid{grid-template-columns:repeat(3,1fr);}
  .cat-hero h1{font-size:34px;}
  .section{padding:72px 0;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-text{order:1;}
  .split.reverse .split-media{order:2;}
  .read-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .section{padding:64px 0;}
  .section-head h2{font-size:28px;}
  .split-list{gap:48px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-inner{height:64px;gap:14px;}
  .status-chip{display:none;}
  .cat-hero{padding-top:36px;}
  .cat-hero h1{font-size:28px;}
  .cat-sub{font-size:15.5px;}
  .anchor-bar{border-radius:12px 12px 0 0;overflow-x:auto;flex-wrap:nowrap;}
  .anchor-bar a{white-space:nowrap;}
  .stat-item{padding:20px 0;}
  .stat-item .figure{font-size:24px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .split-text h3{font-size:21px;}
  .read-grid{grid-template-columns:1fr;}
  .cta-inner h2{font-size:25px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta-band{padding:56px 0;}
}
@media (max-width:575px){
  .logo-text{font-size:15.5px;}
  .btn{height:46px;}
  .btn-sm{height:38px;padding:0 14px;}
  .cat-hero h1{font-size:24px;}
  .hero-chips .chip{height:28px;font-size:12.5px;}
  .split-media img{aspect-ratio:16/11;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .card-body{padding:18px;}
}

/* roulang page: category3 */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --text:#0E1A16;
  --text-2:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --soft:#EAF0E8;
  --success:#1F9D55;
  --danger:#D92D20;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(14,26,22,.06);
  --sh-2:0 16px 36px -16px rgba(14,26,22,.28);
  --container:1200px;
  --num-font:"Barlow Condensed","DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* 顶部活动条 */
.topbar{background:var(--deep);color:var(--lime);font-size:14px}
.topbar-inner{display:flex;align-items:center;gap:16px;height:40px}
.badge-limited{background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.04em}
.countdown{color:#fff;font-size:15px;font-weight:600}
.topbar-link{color:#DDE7E1;text-decoration:underline;text-underline-offset:3px}
.topbar-link:hover{color:var(--lime)}
.topbar-close{margin-left:auto;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#9FB6AC;font-size:18px;line-height:1;transition:all .2s ease-out}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff}
.topbar.hidden{display:none}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  height:72px;
  display:flex;align-items:center;
  transition:height .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{height:64px;box-shadow:0 8px 24px -14px rgba(14,26,22,.35)}
.nav-inner{display:flex;align-items:center;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--deep);display:grid;place-items:center;flex-shrink:0}
.logo-mark svg{width:24px;height:24px}
.logo-text{font-size:19px;font-weight:800;color:var(--deep);letter-spacing:-.01em;white-space:nowrap}
.main-nav{flex:1;display:flex;justify-content:center;gap:2px}
.nav-link{position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:#22352E;border-radius:8px;transition:color .2s ease-out}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:-4px;height:3px;border-radius:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--deep);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.status-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;background:#E7F5EC;color:#1F7A4C;font-size:13px;font-weight:600;white-space:nowrap}
.status-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(31,157,85,.18)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background .2s}
.nav-toggle:hover{background:var(--soft)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--deep)}

/* 抽屉 */
.drawer{position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;background:#fff;z-index:80;transform:translateX(102%);transition:transform .25s ease-out;display:flex;flex-direction:column;padding:22px;box-shadow:-24px 0 48px -24px rgba(14,26,22,.5)}
.drawer.open{transform:none}
.drawer-mask{position:fixed;inset:0;background:rgba(13,43,34,.5);opacity:0;visibility:hidden;transition:all .25s ease-out;z-index:70}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--text-2);display:grid;place-items:center}
.drawer-close:hover{background:var(--soft)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0;flex:1}
.drawer-nav a{padding:13px 14px;border-radius:12px;font-size:15px;font-weight:500;color:#22352E;transition:all .2s}
.drawer-nav a:hover{background:var(--soft);color:var(--brand)}
.drawer-nav a.active{background:var(--deep);color:#fff}
.drawer-foot{display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:all .2s ease-out}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(240,78,35,.85)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(240,78,35,.9)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:#fff;color:var(--deep);border:1.5px solid var(--deep)}
.btn-outline:hover{background:#EAF3EE}
.btn-lime{background:var(--lime);color:var(--deep)}
.btn-lime:hover{background:#B9E63A;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.8)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(3px)}

/* 分类 Hero */
.hero-cat{
  position:relative;
  overflow:hidden;
  color:#fff;
  background:linear-gradient(rgba(13,43,34,.9),rgba(13,43,34,.94)),url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 64px),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 64px);
  pointer-events:none;
}
.arc{position:absolute;right:-140px;bottom:-200px;width:540px;height:540px;border:2px solid rgba(201,242,77,.22);border-radius:50%;pointer-events:none}
.arc.arc-2{right:-70px;bottom:-130px;width:360px;height:360px;border-color:rgba(240,78,35,.28)}
.hero-cat-inner{position:relative;z-index:1;padding:60px 0 0}
.hero-cat-content{max-width:720px;padding-bottom:38px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.35);color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.06em}
.hero-cat h1{font-size:40px;font-weight:800;margin:20px 0 14px;line-height:1.22}
.hero-cat .lead{font-size:17px;line-height:1.85;color:#CFE0D8;max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.anchor-bar{position:relative;z-index:1;display:flex;gap:8px;overflow-x:auto;padding:16px 0;border-top:1px solid rgba(255,255,255,.14);scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.09);color:#DDE7E1;font-size:14px;white-space:nowrap;transition:all .2s ease-out}
.anchor-bar a:hover{background:var(--lime);color:var(--deep)}

/* 区块通用 */
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:34px;line-height:1.3}
.section-head p{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px}
.section-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--green);margin-bottom:10px}
.section-dark{background:var(--deep);color:#fff}
.section-dark .section-head p{color:#B7CBC2}
.section-dark .section-tag{color:var(--lime)}

/* 数据条 */
.stats-strip{background:var(--soft);border-radius:20px;padding:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border-left:2px solid rgba(46,125,91,.25);padding-left:18px}
.stat-num{display:block;font-family:var(--num-font);font-size:38px;font-weight:700;line-height:1.1;color:var(--deep);font-variant-numeric:tabular-nums}
.stat-num small{font-size:16px;font-weight:600;color:var(--green);margin-left:4px}
.stat p{font-size:13px;color:var(--text-2);line-height:1.7;margin-top:6px}

/* 错位卡片瀑布 */
.waterfall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 56px;padding:0 28px}
.wf-card{
  --tx:0px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transform:translateX(var(--tx));
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.wf-card:nth-child(odd){--tx:28px}
.wf-card:nth-child(even){--tx:-28px}
.wf-card:nth-child(2){margin-top:44px}
.wf-card:nth-child(3){margin-top:-8px}
.wf-card:nth-child(5){margin-top:-24px}
.wf-card:hover{transform:translateX(var(--tx)) translateY(-4px);box-shadow:var(--sh-2);border-color:#D3DCD4}
.wf-icon{width:50px;height:50px;border-radius:14px;background:var(--deep);color:var(--lime);display:grid;place-items:center;margin-bottom:18px}
.wf-icon svg{width:24px;height:24px}
.wf-card h3{font-size:20px;margin-bottom:10px}
.wf-card p{color:var(--text-2);font-size:15px;line-height:1.8}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:#EAF3EE;color:var(--green);font-size:13px;font-weight:600}
.chip.warn{background:#FDECE6;color:var(--brand-dark)}
.chip.deep{background:var(--deep);color:#fff}

/* 流程 */
.step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{font-family:var(--num-font);font-size:44px;font-weight:700;line-height:1;color:var(--brand);letter-spacing:.02em}
.step h3{font-size:18px;margin:14px 0 10px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8}

/* 图文块 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.split-copy h2{font-size:32px;margin-bottom:16px}
.split-copy > p{color:var(--text-2);font-size:15px;line-height:1.9;margin-bottom:22px}
.bullet-list{display:flex;flex-direction:column;gap:16px}
.bullet-list li{display:flex;gap:12px;align-items:flex-start}
.bullet-list .dot{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:#E7F5EC;color:var(--success);display:grid;place-items:center;margin-top:4px}
.bullet-list .dot svg{width:13px;height:13px}
.bullet-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.bullet-list span{font-size:14px;color:var(--text-2);line-height:1.75}

/* 保障清单 */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.check-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:24px;transition:background .2s ease-out,transform .2s ease-out}
.check-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.check-card h3{font-size:17px;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.check-card h3 svg{width:18px;height:18px;color:var(--lime);flex:0 0 18px}
.check-card p{font-size:14px;color:#B7CBC2;line-height:1.8}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease-out}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--soft);transition:all .2s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--deep);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform .2s ease-out}
.faq-item.open .faq-icon{background:var(--lime)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(45deg)}
.faq-item.open .faq-icon::before{transform:translate(-50%,-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a-inner{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.9;border-top:1px dashed var(--line);padding-top:18px}

/* 相关阅读 */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-thumb{position:relative}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-cat{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;background:var(--deep);color:var(--lime);font-size:12px;font-weight:600}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:17px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-body h3{color:var(--brand)}
.post-body p{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#7A8A83;border-top:1px solid var(--line);margin-top:18px}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:72px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 72px);pointer-events:none}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:32px;margin-bottom:12px}
.cta-inner p{color:#B7CBC2;font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--deep);color:#DDE7E1;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-text{color:#fff;font-size:18px}
.site-footer p{color:#A8BDB4;font-size:14px;line-height:1.9}
.footer-title{color:#fff;font-size:12px;font-weight:700;letter-spacing:.14em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#C6D6CE;font-size:14px;transition:color .2s ease-out}
.footer-links a:hover{color:var(--lime)}
.footer-contact div{display:flex;justify-content:space-between;gap:14px;font-size:14px;color:#C6D6CE;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.1)}
.footer-contact div span:first-child{color:#8FA79D;flex-shrink:0}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:#8FA79D}
.social-row{display:flex;gap:10px}
.social-row a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#DDE7E1;transition:all .2s ease-out}
.social-row a:hover{background:var(--lime);color:var(--deep)}
.social-row svg{width:20px;height:20px}

/* 响应式 */
@media (max-width:1199px){
  :root{--container:960px}
  .waterfall{padding:0 18px;gap:26px 44px}
  .wf-card:nth-child(odd){--tx:22px}
  .wf-card:nth-child(even){--tx:-22px}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .step-flow{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .status-chip{display:none}
  .section{padding:72px 0}
  .section-head h2{font-size:28px}
  .hero-cat h1{font-size:32px}
  .hero-cat-content{padding-bottom:30px}
  .anchor-bar{padding:14px 0}
  .stats-strip{grid-template-columns:repeat(2,1fr);padding:24px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-copy h2{font-size:26px}
  .read-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar-hide{display:none}
  .waterfall{grid-template-columns:1fr;gap:20px;padding:0}
  .wf-card:nth-child(odd),.wf-card:nth-child(even){--tx:0px;margin-top:0}
  .wf-card:nth-child(2),.wf-card:nth-child(3),.wf-card:nth-child(5){margin-top:0}
  .step-flow{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:24px}
  .hero-cat h1{font-size:28px;line-height:1.3}
  .hero-cat .lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .cta-inner h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 18px;padding-top:16px}
  .arc{width:360px;height:360px;right:-160px;bottom:-180px}
  .arc.arc-2{width:240px;height:240px;right:-100px;bottom:-120px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .stats-strip{grid-template-columns:1fr;gap:18px}
  .stat{border-left:0;border-top:2px solid rgba(46,125,91,.25);padding-left:0;padding-top:14px}
  .hero-cat h1{font-size:26px}
  .btn{height:46px;font-size:14px}
  .split-copy h2{font-size:23px}
}

/* roulang page: category4 */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --text:#0E1A16;
  --text-2:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --deep-2:#123528;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --success:#1F9D55;
  --warn:#FFB020;
  --error:#D92D20;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-1:0 1px 2px rgba(14,26,22,.06);
  --shadow-2:0 16px 36px -16px rgba(14,26,22,.28);
  --num-font:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.24;letter-spacing:-0.01em}
p{margin:0}
svg{display:block}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(240,78,35,.75)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--deep);border-color:var(--deep)}
.btn-ghost:hover{background:#EAF3EC;transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-lime{background:var(--lime);color:var(--deep)}
.btn-lime:hover{background:#B8E23B;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(201,242,77,.7)}
.btn-lime:active{transform:none;box-shadow:none}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
.btn-outline-light:active{transform:none}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;transition:color .2s ease-out}
.link-more svg{transition:transform .2s ease-out}
.link-more:hover{color:var(--brand-dark)}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5;
}
.chip-lime{background:var(--lime);color:var(--deep)}
.chip-green{background:#E3F3E8;color:#1F6B47}
.chip-deep{background:var(--deep);color:#fff}
.chip-outline{border:1px solid var(--line);color:var(--text-2);background:#fff}
.status-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;background:#E3F3E8;color:#1F6B47;
  font-size:13px;font-weight:600;line-height:1.4;
}
.status-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}

/* ---------- 活动条 ---------- */
.promo-bar{background:var(--deep);color:#DDE7E1;position:relative;z-index:60}
.promo-inner{display:flex;align-items:center;gap:16px;min-height:40px;padding:6px 24px}
.promo-text{font-size:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.promo-text .num{color:var(--lime);font-size:16px;font-weight:600}
.promo-link{font-size:14px;font-weight:600;color:var(--lime);border-bottom:1px dashed rgba(201,242,77,.6);padding-bottom:1px}
.promo-link:hover{color:#fff;border-bottom-color:#fff}
.promo-close{margin-left:auto;width:28px;height:28px;border-radius:8px;color:#DDE7E1;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease-out,color .2s ease-out}
.promo-close:hover{background:rgba(255,255,255,.14);color:#fff}
.promo-bar.is-hidden{display:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(14,26,22,.45)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease-out}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--deep);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:18px;font-weight:800;color:var(--deep);letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color .2s ease-out;white-space:nowrap;
}
.nav-link:hover{color:var(--deep)}
.nav-link.active{color:var(--deep);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:background-color .2s ease-out;
}
.nav-toggle:hover{background:#F1F4EF}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,43,34,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;z-index:80;
  background:#fff;padding:24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .25s ease-out;
  box-shadow:-20px 0 44px -28px rgba(14,26,22,.5);
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);font-size:20px;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:#F1F4EF}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:16px;font-weight:500;color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.drawer-nav a:hover{background:#F1F4EF;color:var(--deep)}
.drawer-nav a.active{background:#EAF3EC;color:var(--deep);font-weight:700}
.drawer-cta{display:flex;flex-direction:column;gap:10px}
.drawer-cta .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;background:var(--deep);color:#fff;overflow:hidden;
  padding:64px 0 48px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
}
.hero-arcs{
  position:absolute;right:-90px;bottom:-150px;width:520px;height:520px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--lime);
  text-transform:uppercase;margin-bottom:16px;
}
.page-hero h1{
  font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.01em;
  max-width:820px;
}
.hero-sub{font-size:17px;line-height:1.8;color:#C4D3CB;margin-top:16px;max-width:680px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.anchor-nav a{
  padding:9px 20px;border-radius:999px;border:1px solid rgba(255,255,255,.26);
  font-size:14px;font-weight:500;color:#DDE7E1;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.anchor-nav a:hover{background:var(--lime);border-color:var(--lime);color:var(--deep)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--deep);color:#DDE7E1}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:34px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.section-head p{font-size:16px;color:var(--text-2);margin-top:12px;max-width:660px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:#AFC2B8}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);margin-bottom:12px;
}
.section-dark .eyebrow{color:var(--lime)}

/* ---------- 套餐卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plan-card.featured{border:2px solid var(--deep);padding:30px 28px;box-shadow:var(--shadow-2)}
.plan-card.featured:hover{transform:translateY(-6px)}
.plan-badge{
  position:absolute;top:-13px;left:28px;background:var(--lime);color:var(--deep);
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;
}
.plan-name{font-size:20px;font-weight:700;color:var(--text)}
.plan-desc{font-size:14px;color:var(--text-2);margin-top:6px;min-height:44px}
.plan-figure{display:flex;align-items:baseline;gap:8px;margin:18px 0 4px}
.plan-figure .num{font-size:40px;font-weight:700;color:var(--deep);line-height:1}
.plan-figure span{font-size:14px;color:var(--text-2)}
.plan-note{font-size:13px;color:var(--text-2)}
.plan-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:11px}
.plan-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--text-2)}
.plan-list svg{width:18px;height:18px;flex-shrink:0;margin-top:5px;color:var(--green)}
.plan-card .btn{width:100%}

/* ---------- 对比表 ---------- */
.table-scroll{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
}
table.compare{width:100%;min-width:820px;border-collapse:collapse}
.compare caption{text-align:left;padding:20px 24px 0;font-size:14px;color:var(--text-2)}
.compare th,.compare td{
  padding:16px 22px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);vertical-align:middle;
}
.compare thead th{
  background:var(--deep);color:#fff;font-weight:600;font-size:15px;
  border-bottom:0;white-space:nowrap;
}
.compare thead th:first-child{border-top-left-radius:15px}
.compare thead th:last-child{border-top-right-radius:15px}
.compare thead th.col-featured{background:var(--deep-2);box-shadow:inset 3px 0 0 var(--lime),inset -3px 0 0 var(--lime)}
.compare thead th .th-tag{
  display:inline-block;margin-left:8px;padding:2px 10px;border-radius:999px;
  background:var(--lime);color:var(--deep);font-size:12px;font-weight:700;
}
.compare tbody tr:nth-child(even){background:#F8FAF6}
.compare tbody tr:hover{background:#F1F6EC}
.compare tbody th{
  font-weight:600;color:var(--text);background:#fff;
  white-space:nowrap;min-width:180px;
}
.compare tbody tr:nth-child(even) th{background:#F8FAF6}
.compare tbody tr:hover th{background:#F1F6EC}
.compare td{color:var(--text-2)}
.compare td.col-featured{
  background:#F0F9DA;font-weight:600;color:var(--deep);
  box-shadow:inset 3px 0 0 var(--deep),inset -3px 0 0 var(--deep);
}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:last-child td.col-featured{box-shadow:inset 3px 0 0 var(--deep),inset -3px 0 0 var(--deep)}
.table-hint{font-size:13px;color:var(--text-2);margin-top:12px}
.table-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 权益明细 ---------- */
.benefit-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.benefit-media{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-2);
  aspect-ratio:4/3;background:#E7EDE4;
}
.benefit-media img{width:100%;height:100%;object-fit:cover}
.benefit-list{display:flex;flex-direction:column;gap:18px;margin-top:24px}
.benefit-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.benefit-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDACB}
.benefit-item h3{font-size:17px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}
.benefit-item h3 span.dot{
  width:8px;height:8px;border-radius:50%;background:var(--brand);flex-shrink:0;
}
.benefit-item p{font-size:15px;color:var(--text-2);margin-top:8px}

/* ---------- 评分条 ---------- */
.rate-list{display:flex;flex-direction:column;gap:16px}
.rate-row{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1.2fr 1fr auto;gap:24px;align-items:center;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.rate-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rate-scene{font-size:16px;font-weight:600;color:var(--text)}
.rate-scene small{display:block;font-size:14px;font-weight:400;color:var(--text-2);margin-top:4px}
.rate-bar{height:8px;border-radius:999px;background:#E8EDE6;overflow:hidden}
.rate-bar i{display:block;height:100%;border-radius:999px;background:var(--brand)}
.w-96{width:96%}
.w-92{width:92%}
.w-88{width:88%}
.rate-value{font-size:22px;font-weight:700;color:var(--deep);font-family:var(--num-font);font-variant-numeric:tabular-nums}
.rate-pick{grid-column:1/-1;display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:14px;margin-top:2px}
.rate-pick span{font-size:14px;color:var(--text-2)}

/* ---------- 反馈摘录 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.quote-mark{font-size:44px;line-height:1;color:var(--lime);font-family:var(--num-font);font-weight:700}
.quote-card p{font-size:16px;line-height:1.85;color:var(--text-2);margin-top:8px}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.quote-avatar{
  width:42px;height:42px;border-radius:12px;background:#EAF3EC;color:var(--deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0;
}
.quote-meta strong{display:block;font-size:15px;color:var(--text)}
.quote-meta small{display:block;font-size:13px;color:var(--text-2)}

/* ---------- 相关阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.read-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.read-cover{aspect-ratio:16/9;background:#E7EDE4;overflow:hidden;position:relative}
.read-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.read-card:hover .read-cover img{transform:scale(1.04)}
.read-tag{
  position:absolute;left:14px;top:14px;background:var(--deep);color:var(--lime);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.read-body{padding:22px 24px 24px}
.read-body h3{font-size:17px;font-weight:700;color:var(--text);transition:color .2s ease-out}
.read-card:hover .read-body h3{color:var(--brand)}
.read-body p{font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.75}
.read-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{border-color:#CFDACB}
.faq-item.open{box-shadow:var(--shadow-2);border-color:#CFDACB}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 24px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .2s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--deep);border-radius:2px}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--deep);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:72px 72px;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:32px;font-weight:700;letter-spacing:-.01em}
.cta-inner p{font-size:16px;color:#AFC2B8;margin-top:12px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#DDE7E1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85;color:#AFC2B8}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:#fff;text-transform:uppercase;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#DDE7E1;transition:color .2s ease-out}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:flex;flex-direction:column;gap:11px}
.footer-contact div{display:flex;flex-direction:column;gap:2px;font-size:14px}
.footer-contact span:first-child{color:#8FA79B;font-size:13px}
.footer-contact span:last-child{color:#DDE7E1}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13px;color:#8FA79B;
}
.social-row{display:flex;gap:10px}
.social-row a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:#DDE7E1;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.social-row a svg{width:18px;height:18px}
.social-row a:hover{background:var(--lime);color:var(--deep);border-color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  .main-nav{gap:18px}
  .nav-link{font-size:14px}
  .plan-grid{gap:18px}
  .rate-row{grid-template-columns:1.1fr 1fr auto;gap:18px}
  .benefit-layout{gap:32px}
}
@media (max-width:991px){
  .main-nav,.nav-actions .status-chip{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:66px;gap:16px}
  .site-header.is-scrolled .nav-inner{height:60px}
  .nav-actions{margin-left:auto}
  .page-hero{padding:52px 0 40px}
  .page-hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .section{padding:72px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section-head h2{font-size:28px}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-4px)}
  .benefit-layout{grid-template-columns:1fr}
  .benefit-media{max-width:560px}
  .quote-grid{grid-template-columns:1fr}
  .read-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-inner h2{font-size:26px}
  .rate-row{grid-template-columns:1fr;gap:14px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .promo-inner{padding:8px 16px;gap:10px}
  .promo-text{font-size:13px}
  .promo-text .num{font-size:15px}
  .logo-text{font-size:16px}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .logo-mark svg{width:20px;height:20px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .plan-grid{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:14px 18px;min-height:58px}
  .faq-a-inner{padding:0 18px 18px;font-size:14px}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .table-cta .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .promo-text span:not(.num){display:inline}
  .page-hero{padding:40px 0 32px}
  .page-hero h1{font-size:25px}
  .anchor-nav a{padding:8px 16px;font-size:13px}
  .plan-card{padding:22px}
  .plan-card.featured{padding:24px 22px}
  .btn{height:46px;padding:0 20px}
  .btn-lg{height:50px;font-size:15px}
  .section-head h2{font-size:22px}
  .benefit-item{padding:18px}
  .quote-card{padding:22px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category5 */
:root{
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --text:#0E1A16;
  --text-2:#46564F;
  --line:#E2E7E0;
  --brand:#F04E23;
  --brand-dark:#C93B14;
  --deep:#0D2B22;
  --deep-2:#123A2E;
  --lime:#C9F24D;
  --green:#2E7D5B;
  --green-soft:#EAF3EE;
  --success:#1F9D55;
  --warn:#FFB020;
  --error:#D92D20;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(14,26,22,.06);
  --shadow-2:0 16px 36px -16px rgba(14,26,22,.28);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -14px rgba(14,26,22,.22)}
.nav-inner{
  display:flex;align-items:center;height:72px;
  transition:height .2s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--deep);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color .2s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;
  border-radius:3px;background:transparent;transition:background .2s ease-out;
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:28px}
.status-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--green-soft);color:var(--green);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.status-chip::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--success);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--deep)}
.nav-toggle:hover{background:var(--bg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;white-space:nowrap;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:#fff;border-color:var(--deep);color:var(--deep)}
.btn-outline:hover{background:var(--green-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--deep)}
.btn-lime:hover{background:#BAE63C;transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(0,0,0,.5)}
.btn-lime:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
.btn-ghost-light:active{transform:translateY(0)}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.text-link .arrow{transition:transform .2s ease-out}
.text-link:hover .arrow{transform:translateX(3px)}
.text-link:hover{color:var(--brand-dark)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#0D2B22 0%,#123A2E 62%,#0D2B22 100%);
  color:#fff;
  padding:64px 0 72px;
}
.cat-hero .arc{
  position:absolute;border-radius:50%;pointer-events:none;
}
.cat-hero .arc-1{
  right:-160px;bottom:-260px;width:620px;height:620px;
  border:38px solid rgba(201,242,77,.10);
}
.cat-hero .arc-2{
  right:120px;bottom:-190px;width:380px;height:380px;
  border:2px solid rgba(255,255,255,.10);
}
.cat-hero .grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(90deg,transparent 42%,#000 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 42%,#000 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:840px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--lime);color:var(--deep);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin-bottom:16px;
}
.cat-hero .hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);
  max-width:640px;margin-bottom:28px;
}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.anchor-bar a{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  font-size:14px;font-weight:500;color:rgba(255,255,255,.9);
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.anchor-bar a:hover{background:rgba(201,242,77,.16);border-color:var(--lime);color:#fff}

/* ============ 搜索面板 ============ */
.search-panel{
  background:var(--surface);border-radius:18px;
  padding:24px;box-shadow:0 26px 50px -26px rgba(0,0,0,.55);
  border:1px solid var(--line);
  max-width:840px;
}
.search-row{display:flex;gap:12px}
.search-row input{
  flex:1 1 auto;height:52px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FBFCFA;font-size:15px;color:var(--text);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.search-row input::placeholder{color:#8C9A92}
.search-row input:hover{border-color:#CBD6CC}
.search-row input:focus{
  outline:none;background:#fff;
  border-color:var(--brand);box-shadow:0 0 0 2px var(--lime);
}
.search-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:13px;color:var(--text-2);
}
.search-tags .tag-btn{
  padding:6px 12px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.search-tags .tag-btn:hover{background:var(--green-soft);color:var(--green);border-color:#C6DECD}
.search-result{
  margin-top:14px;padding:12px 16px;border-radius:12px;
  background:var(--green-soft);border-left:3px solid var(--green);
  font-size:14px;color:var(--green);
}
.search-result.is-empty{background:#FDF0EC;border-left-color:var(--brand);color:var(--brand-dark)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:#EDF1EA}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.85}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head-row .section-head{margin-bottom:0}

/* ============ 自助排查 ============ */
.steps-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.steps-figure{
  border-radius:var(--radius-img);overflow:hidden;
  box-shadow:var(--shadow-2);border:1px solid var(--line);
  aspect-ratio:4/3;
}
.steps-figure img{width:100%;height:100%;object-fit:cover}
.step-list{display:grid;gap:14px;margin-top:8px}
.step-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D3DDD3}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:var(--deep);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17px;font-weight:700;margin-bottom:4px}
.step-body p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 28px}
.faq-group{scroll-margin-top:110px}
.faq-group-head{
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.faq-group-head .dot{
  width:10px;height:10px;border-radius:3px;background:var(--brand);flex:0 0 auto;
}
.faq-group-head h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.faq-group-head .count{
  margin-left:auto;font-size:13px;color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{box-shadow:var(--shadow-1);border-color:#D5DED4}
.faq-item.open{border-color:#C9D8C8;box-shadow:var(--shadow-1)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:64px;padding:12px 20px;text-align:left;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:#EEF3EC;
  transition:transform .2s ease-out,background .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--deep);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease-out;
}
.faq-a-inner{
  padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--text-2);
  border-top:1px solid var(--line);padding-top:16px;margin:0 0 0;
  margin-left:20px;margin-right:20px;padding-left:0;padding-right:0;
}
.faq-item.open .faq-a{max-height:460px}
.faq-item.is-hidden{display:none}

/* ============ 热门问题 ============ */
.hot-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.hot-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.hot-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3DDD3}
.hot-item:hover .hot-title{color:var(--brand)}
.hot-num{
  flex:0 0 auto;font-size:20px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.4;min-width:28px;
}
.hot-title{font-size:16px;font-weight:700;margin-bottom:4px;transition:color .2s ease-out}
.hot-desc{font-size:14px;color:var(--text-2);line-height:1.8}
.hot-item.is-hidden{display:none}

/* ============ 服务通道 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 26px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.channel-icon{
  width:46px;height:46px;border-radius:13px;background:var(--green-soft);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:var(--green);
}
.channel-icon svg{width:24px;height:24px}
.channel-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.channel-card p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:16px}
.channel-meta{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--green);font-weight:600;
  padding-top:14px;border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}

/* ============ 相关阅读 ============ */
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.related-figure{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:5/4;
}
.related-figure img{width:100%;height:100%;object-fit:cover}
.related-links{display:grid;gap:12px;margin-top:24px}
.related-links a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;
  font-size:15px;font-weight:600;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.related-links a:hover{
  transform:translateX(4px);box-shadow:var(--shadow-1);
  border-color:#D3DDD3;color:var(--brand);
}
.related-links .arrow{color:var(--brand);transition:transform .2s ease-out}
.related-links a:hover .arrow{transform:translateX(3px)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--deep);color:#fff;padding:72px 0;
}
.cta-band .arc{
  position:absolute;right:-140px;top:-200px;width:520px;height:520px;border-radius:50%;
  border:34px solid rgba(201,242,77,.09);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:10px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.78);max-width:560px;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#DDE7E1;padding:72px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px 32px;padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.08)}
.footer-brand .logo-text{color:#fff;font-size:17px}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(221,231,225,.78)}
.footer-title{
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:#fff;margin-bottom:18px;
}
.footer-links{display:grid;gap:12px}
.footer-links a,.footer-contact a{
  font-size:14px;color:rgba(221,231,225,.78);
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-links a:hover{color:var(--lime);padding-left:4px}
.footer-contact{display:grid;gap:12px}
.footer-contact div{display:flex;gap:10px;font-size:14px;color:rgba(221,231,225,.78)}
.footer-contact div span:first-child{color:rgba(221,231,225,.5);flex:0 0 auto}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(221,231,225,.6)}
.social-row{display:flex;gap:12px}
.social-row a{
  width:36px;height:36px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(221,231,225,.8);
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.social-row a:hover{background:rgba(201,242,77,.14);color:var(--lime);border-color:var(--lime)}
.social-row svg{width:18px;height:18px}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  :root{--container:1280px}
}
@media (max-width:1199px){
  :root{--container:960px}
  .main-nav{gap:20px}
  .nav-link{font-size:14px}
  .cat-hero h1{font-size:38px}
  .steps-grid{gap:36px}
  .channel-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:320px;
    background:#fff;flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 28px 32px;margin:0;
    box-shadow:-20px 0 40px -24px rgba(14,26,22,.35);
    transform:translateX(102%);
    transition:transform .2s ease-out;
    z-index:90;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{width:100%;padding:12px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{color:var(--brand)}
  .nav-actions{margin-left:auto}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .cat-hero{padding:52px 0 60px}
  .cat-hero h1{font-size:32px}
  .cat-hero .hero-sub{font-size:16px}
  .steps-grid{grid-template-columns:1fr;gap:32px}
  .steps-figure{order:-1}
  .faq-groups{grid-template-columns:1fr;gap:24px}
  .hot-list{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 28px}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .cat-hero{padding:44px 0 52px}
  .cat-hero h1{font-size:27px;line-height:1.3}
  .section-head h2{font-size:24px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .search-panel{padding:18px}
  .search-row{flex-direction:column}
  .search-row .btn{width:100%}
  .channel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:12px 16px}
  .faq-a-inner{margin-left:16px;margin-right:16px;font-size:14px}
  .step-item{padding:18px}
}
@media (max-width:519px){
  .cat-hero h1{font-size:24px}
  .anchor-bar a{font-size:13px;padding:8px 12px}
  .hero-eyebrow{font-size:12px}
  .btn{height:46px;padding:0 18px;font-size:14px}
  .faq-q{font-size:15px}
  .hot-item{padding:18px}
  .section-head h2{font-size:22px}
}