/* roulang page: index */
:root{
  --brand-900:#0B3B2E;
  --brand-800:#062A20;
  --brand-700:#14664F;
  --brand-500:#2FBFA8;
  --lime:#C6F04A;
  --lime-soft:#EEF9D0;
  --lime-hover:#D3F65F;
  --warm:#FF7A2F;
  --ink:#12181A;
  --muted:#5A6663;
  --line:#DCE3DC;
  --paper:#F7F6F1;
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(11,59,46,.06);
  --sh-hover:0 10px 24px -12px rgba(11,59,46,.28);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -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}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

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

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.88);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{color:var(--lime);font-weight:600;white-space:nowrap}
.topbar-right:hover{text-decoration:underline}
@media (max-width:639px){.topbar-right{display:none}}

/* ---------- 导航 ---------- */
.navbar{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.navbar.is-stuck{box-shadow:0 6px 18px -14px rgba(11,59,46,.45)}
.nav-grid{position:relative;display:flex;align-items:center;justify-content:center;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);letter-spacing:-.01em;white-space:nowrap}
.brand-mark{position:relative;width:26px;height:26px;flex:0 0 auto;display:block}
.brand-mark::before{content:"";position:absolute;inset:0;background:var(--brand-900);clip-path:polygon(0 0,100% 0,100% 70%,0 100%)}
.brand-mark::after{content:"";position:absolute;right:4px;top:4px;width:7px;height:7px;border-radius:50%;background:var(--lime)}
.nav-left,.nav-right{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:8px 2px;font-size:15px;font-weight:600;color:#2C3A36;transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:2px;right:2px;bottom:0;height:3px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
.nav-link:hover{color:var(--brand-900)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-900)}
.nav-toggle{position:absolute;right:0;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .2s ease,background-color .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .2s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:flex;align-items:center;min-height:52px;padding:0 20px;font-size:15px;font-weight:600;color:#2C3A36;border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.is-active{color:var(--brand-900);background:#FAFCF5}
.mobile-panel .m-cta{margin:14px 20px 20px;justify-content:center;border:0;border-radius:var(--r-btn);background:var(--lime);color:var(--brand-900);font-weight:700;min-height:48px}
@media (min-width:1024px){
  .nav-grid{display:grid;grid-template-columns:1fr auto 1fr;min-height:72px}
  .brand{font-size:18px}
  .nav-left{display:flex;align-items:center;justify-content:flex-start;gap:26px}
  .nav-right{display:flex;align-items:center;justify-content:flex-end;gap:22px}
  .nav-toggle,.mobile-panel{display:none !important}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease}
.btn:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.btn-primary{background:var(--lime);color:var(--brand-900);box-shadow:var(--sh-card)}
.btn-primary:hover{background:var(--lime-hover);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-900);border:1.5px solid var(--brand-900)}
.btn-ghost:hover{background:#F0F5EE;border-color:var(--lime);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;transform:none !important;cursor:not-allowed;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-900);border-bottom:1px solid var(--lime)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 通用区块 ---------- */
.section{padding-block:56px}
@media (min-width:768px){.section{padding-block:96px}}
.section-head{margin-bottom:32px;max-width:760px}
@media (min-width:768px){.section-head{margin-bottom:48px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-700);text-transform:uppercase}
.eyebrow::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand-900)}
.section-head h2{margin-top:12px;font-size:26px}
@media (min-width:768px){.section-head h2{font-size:34px}}
.section-sub{margin-top:12px;color:var(--muted);font-size:16px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-800);color:#fff}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,42,32,.92) 0%,rgba(6,42,32,.78) 48%,rgba(6,42,32,.56) 100%)}
.hero-track{position:absolute;right:-60px;bottom:-40px;width:420px;height:260px;opacity:.5;pointer-events:none}
.hero-dots{position:absolute;left:24px;top:44px;width:96px;height:96px;opacity:.35;pointer-events:none;
  background-image:radial-gradient(var(--lime) 1.5px,transparent 1.6px);
  background-size:16px 16px}
.hero-inner{position:relative;z-index:2;padding-block:64px 56px;max-width:760px}
@media (min-width:768px){.hero-inner{padding-block:104px 96px}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(198,240,74,.16);border:1px solid rgba(198,240,74,.5);color:var(--lime);font-size:13px;font-weight:700}
.hero h1{margin-top:20px;font-size:31px;line-height:1.2;color:#fff}
@media (min-width:768px){.hero h1{font-size:50px;line-height:1.15}}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.82);max-width:620px}
@media (min-width:768px){.hero-sub{font-size:20px}}
.hero-cta{display:flex;flex-direction:column;gap:12px;margin-top:28px}
@media (min-width:640px){.hero-cta{flex-direction:row;gap:14px}}
.hero-trust{display:grid;grid-template-columns:1fr;gap:12px;margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
@media (min-width:640px){.hero-trust{grid-template-columns:repeat(2,1fr);gap:14px 24px}}
@media (min-width:1024px){.hero-trust{grid-template-columns:repeat(4,1fr)}}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.86)}
.hero-trust svg{flex:0 0 auto;width:18px;height:18px;color:var(--lime)}

/* ---------- 痛点区 ---------- */
.pain-section{background:var(--paper)}
.pain-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
.pain-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px 24px;box-shadow:var(--sh-card);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.pain-card:hover{border-color:var(--lime);transform:translateY(-3px);box-shadow:var(--sh-hover)}
.pain-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--warm);color:#fff;font-size:13px;font-weight:800}
.pain-card h3{margin-top:16px;font-size:19px}
.pain-card p{margin-top:10px;color:var(--muted);font-size:15.5px}

/* ---------- 流程区 ---------- */
.flow-wrap{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.flow-wrap{grid-template-columns:320px 1fr;gap:56px;align-items:start}}
.flow-aside{position:static}
@media (min-width:1024px){.flow-aside{position:sticky;top:104px}}
.flow-aside h2{margin-top:12px;font-size:26px}
@media (min-width:768px){.flow-aside h2{font-size:32px}}
.flow-aside p{margin-top:14px;color:var(--muted)}
.flow-aside .btn{margin-top:22px}
.flow-list{display:flex;flex-direction:column}
.flow-item{display:grid;grid-template-columns:1fr;gap:16px;padding-block:26px;border-bottom:1px dashed var(--line)}
.flow-item:first-child{padding-top:0}
.flow-item:last-child{border-bottom:0;padding-bottom:0}
@media (min-width:768px){
  .flow-item{grid-template-columns:56px 1fr;align-items:start;gap:20px}
  .flow-item.has-media{grid-template-columns:56px 1fr 220px}
}
.flow-index{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:var(--brand-900);color:var(--lime);font-size:16px;font-weight:800}
.flow-body h3{font-size:19px}
.flow-body p{margin-top:10px;color:var(--muted);font-size:15.5px}
.flow-media{display:none}
@media (min-width:768px){.flow-media{display:block}}
.flow-media .ratio{position:relative;width:100%;aspect-ratio:4/3;border-radius:var(--r-card);overflow:hidden;background:linear-gradient(135deg,#0B3B2E,#14664F)}
.flow-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- 数据区 ---------- */
.stats-section{position:relative;background:var(--brand-900);color:#fff;padding-block:56px}
@media (min-width:768px){.stats-section{padding-block:96px}}
.stats-section::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime)}
.stats-head{max-width:640px}
.stats-head h2{margin-top:12px;font-size:26px;color:#fff}
@media (min-width:768px){.stats-head h2{font-size:34px}}
.stats-head p{margin-top:12px;color:rgba(255,255,255,.75)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:36px}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(198,240,74,.24);border-radius:var(--r-card);padding:24px 22px;animation:riseIn .6s ease-out both}
.stat:nth-child(2){animation-delay:.08s}
.stat:nth-child(3){animation-delay:.16s}
.stat:nth-child(4){animation-delay:.24s}
.stat-value{display:flex;align-items:baseline;gap:4px;font-size:34px;font-weight:800;color:var(--lime)}
@media (min-width:768px){.stat-value{font-size:42px}}
.stat-unit{font-size:15px;font-weight:700;color:rgba(198,240,74,.8)}
.stat p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.6}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 信息列表 ---------- */
.news-section{background:#fff}
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.news-card:hover{border-color:var(--lime);transform:translateY(-3px);box-shadow:var(--sh-hover)}
.news-thumb{position:relative;width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,#0B3B2E,#14664F)}
.news-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--lime-soft);color:var(--brand-900);font-size:12.5px;font-weight:700}
.badge-dark{background:var(--brand-900);color:#fff}
.news-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.news-card h3{margin-top:14px;font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{margin-top:10px;font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:auto;padding-top:16px;font-size:14px;font-weight:700;color:var(--brand-900)}
.news-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper);text-align:center}
.empty-dots{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.empty-dots span{width:7px;height:7px;border-radius:50%;background:var(--line)}
.empty-dots span:nth-child(3n){background:var(--lime)}
.news-more-card{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;padding:28px;border-radius:var(--r-card);background:var(--brand-900);color:#fff;min-height:220px;transition:transform .2s ease,box-shadow .2s ease}
.news-more-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.news-more-card span{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--lime)}
.news-more-card h3{font-size:21px;color:#fff}
.news-more-card p{font-size:14.5px;color:rgba(255,255,255,.75)}

/* ---------- FAQ ---------- */
.faq-section{background:var(--paper)}
.faq-list{display:grid;gap:14px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:var(--lime)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 22px;font-size:16.5px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand-700);outline-offset:-2px}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-900);border-radius:2px;transition:transform .22s ease}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg)}
.faq-answer{padding:2px 22px 22px;border-top:1px solid var(--line);font-size:16px;line-height:1.8;color:#33403C}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand-900);color:#fff;padding-block:44px}
@media (min-width:768px){.cta-band{padding-block:56px}}
.cta-wrap{display:flex;flex-direction:column;gap:22px}
@media (min-width:768px){.cta-wrap{flex-direction:row;align-items:center;justify-content:space-between;gap:32px}}
.cta-wrap h2{font-size:24px;color:#fff}
@media (min-width:768px){.cta-wrap h2{font-size:30px}}
.cta-wrap p{margin-top:10px;color:rgba(255,255,255,.75);font-size:15.5px}

/* ---------- 表单 ---------- */
.form-section{background:#fff}
.form-card{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-card)}
@media (min-width:768px){.form-card{padding:36px 34px}}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.form-grid{grid-template-columns:repeat(2,1fr)}}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--muted);font-weight:600}
.field input,.field textarea{width:100%;min-height:48px;padding:13px 16px;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-900);box-shadow:0 0 0 3px rgba(198,240,74,.45)}
.field input.is-error,.field textarea.is-error{border-color:var(--warm)}
.field-error{font-size:13px;color:var(--warm)}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.6}
.consent input{width:18px;height:18px;min-height:0;margin-top:2px;flex:0 0 auto;accent-color:#0B3B2E}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}

/* ---------- 隐私条 ---------- */
.privacy-band{background:var(--paper);padding-block:28px}
.privacy-inner{display:flex;gap:14px;align-items:flex-start;max-width:900px;font-size:13.5px;color:var(--muted);line-height:1.75}
.privacy-inner svg{flex:0 0 auto;width:20px;height:20px;color:var(--brand-700);margin-top:3px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand-900);color:rgba(255,255,255,.78);padding-top:52px}
.site-footer::before{content:"";position:absolute;top:0;left:0;width:120px;height:4px;background:var(--lime)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-brand .brand-mark::before{background:var(--lime)}
.footer-brand .brand-mark::after{background:var(--brand-900)}
.footer-col p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em}
.footer-col ul{margin-top:16px;display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding-block:20px;font-size:13px;color:rgba(255,255,255,.55);display:flex;flex-direction:column;gap:8px}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-veil{position:absolute;inset:0;background:rgba(6,42,32,.55)}
.modal-card{position:absolute;left:0;right:0;bottom:0;max-height:88vh;overflow-y:auto;background:#fff;border-radius:16px 16px 0 0;padding:26px 22px 30px;box-shadow:0 -12px 40px -18px rgba(6,42,32,.5)}
.modal-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime);border-radius:16px 16px 0 0}
@media (min-width:640px){
  .modal-card{position:relative;left:auto;right:auto;bottom:auto;top:50%;margin:0 auto;max-width:480px;transform:translateY(-50%);border-radius:var(--r-card);padding:30px 28px}
  .modal-card::before{border-radius:var(--r-card) var(--r-card) 0 0}
}
.modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--brand-900);font-size:20px;line-height:1}
.modal-close:hover{background:#F0F5EE}
.modal-card h3{font-size:21px;padding-right:44px}
.modal-card > p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.modal-body{margin-top:22px}
.modal .field + .field{margin-top:18px}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(11,59,46,.28);border-top-color:var(--brand-900);animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .stat{animation:none}
}

/* roulang page: article */
:root{
  --brand-900:#0B3B2E;
  --brand-950:#062A20;
  --brand-700:#14664F;
  --lime:#C6F04A;
  --lime-hover:#D3F65F;
  --lime-soft:#EEF9D0;
  --warm:#FF7A2F;
  --teal:#2FBFA8;
  --ink:#12181A;
  --muted:#5A6663;
  --line:#DCE3DC;
  --paper:#F7F6F1;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(11,59,46,.06);
  --shadow-hover:0 10px 24px -12px rgba(11,59,46,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
body.nav-open{overflow:hidden}

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

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-note{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}
.topbar-link{color:var(--lime);font-weight:700;flex:none;white-space:nowrap}
.topbar-link:hover{text-decoration:underline}
@media (max-width:639px){.topbar-link{display:none}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav-wrap{position:relative}
.nav-grid{display:flex;align-items:center;justify-content:center;min-height:64px;gap:12px}
.nav-left,.nav-right{display:none}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{position:relative;display:inline-block;width:26px;height:26px;background:var(--lime);clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);flex:none}
.brand-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:8px;height:8px;border-radius:50%;background:var(--brand-900)}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900);white-space:nowrap}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--brand-900);padding:8px 0;white-space:nowrap;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime);transform:scaleX(0);transition:transform .25s ease}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-700)}
.nav-toggle{position:absolute;right:0;top:50%;transform:translateY(-50%);width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:10px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-hover);padding:6px 20px 18px;display:flex;flex-direction:column}
.mobile-panel[hidden]{display:none}
.mobile-panel a{display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:600;color:var(--brand-900);border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:none}
.mobile-panel a:hover{color:var(--brand-700)}
@media (min-width:1024px){
  .nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:72px;gap:20px}
  .nav-left{display:flex;align-items:center;gap:26px;justify-self:start}
  .nav-right{display:flex;align-items:center;gap:18px;justify-self:end}
  .nav-toggle{display:none}
  .mobile-panel{display:none!important}
}

/* ---------- 按钮 / 徽章 / 链接 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1.5px solid transparent;transition:transform .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,opacity .22s ease}
.btn-primary{background:var(--lime);color:var(--brand-900);box-shadow:var(--shadow-card)}
.btn-primary:hover{background:var(--lime-hover);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-900);border-color:var(--brand-900)}
.btn-ghost:hover{background:#F0F5EE;border-color:var(--lime)}
.btn-sm{min-height:42px;padding:10px 18px;font-size:14px}
.btn[disabled]{opacity:.45;transform:none;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:14px;border-bottom:1px solid var(--lime);padding-bottom:2px}
.text-link .arrow{transition:transform .2s ease}
.text-link:hover .arrow{transform:translateX(4px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:var(--lime-soft);color:var(--brand-900);font-size:13px;font-weight:700;letter-spacing:.01em}
.badge-brand{background:var(--brand-900);color:#fff}

/* ---------- 面包屑 / 文章头部 ---------- */
.article-shell{padding-top:8px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);white-space:nowrap;overflow-x:auto;padding:18px 0 6px;scrollbar-width:none}
.breadcrumb::-webkit-scrollbar{display:none}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-900)}
.breadcrumb .sep{color:#B7C2BC}
.breadcrumb .current{color:var(--brand-900);font-weight:600}
.article-head{padding:6px 0 0}
.article-title{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:16px 0 14px;overflow-wrap:break-word}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-divider{height:1px;background:var(--line);margin:22px 0 0}
.article-cover{margin-top:24px;border-radius:var(--radius-card);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#0B3B2E,#14664F);box-shadow:var(--shadow-card)}
.article-cover img{width:100%;height:100%;object-fit:cover}
@media (min-width:768px){.article-title{font-size:40px}}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;padding:30px 0 0}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-card)}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--ink);overflow-wrap:break-word}
.article-body h2{position:relative;font-size:24px;line-height:1.4;font-weight:800;color:var(--brand-900);margin:40px 0 16px;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;width:4px;height:20px;border-radius:2px;background:var(--brand-900)}
.article-body h3{font-size:20px;line-height:1.45;font-weight:700;margin:28px 0 12px;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--brand-700);font-weight:600;border-bottom:1px solid var(--lime)}
.article-body a:hover{color:var(--brand-900);border-bottom-width:2px}
.article-body strong{font-weight:800;color:var(--brand-900)}
.article-body ul{padding-left:22px;margin:0 0 18px}
.article-body ul li{position:relative;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:-18px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.article-body ol{counter-reset:item;padding-left:28px;margin:0 0 18px}
.article-body ol li{position:relative;counter-increment:item;margin-bottom:8px}
.article-body ol li::before{content:counter(item);position:absolute;left:-28px;top:5px;width:18px;height:18px;border-radius:50%;background:var(--lime);color:var(--brand-900);font-size:12px;font-weight:800;line-height:18px;text-align:center}
.article-body blockquote{margin:24px 0;padding:20px 22px;background:var(--paper);border-left:4px solid var(--lime);border-radius:0 10px 10px 0;color:#2b3532}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-card);margin:22px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px}
.article-body th{background:var(--brand-900);color:#fff;text-align:left;padding:12px 14px;font-weight:700}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tr:nth-child(even) td{background:#FBFBF8}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14.5px;background:#F1F4EF;border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.article-body pre{margin:22px 0;background:var(--brand-900);color:#E9F5E4;border-radius:12px;padding:18px;overflow-x:auto;font-size:14.5px;line-height:1.7}
.article-body pre code{background:transparent;border:none;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:32px 0}
@media (min-width:768px){.article-card{padding:40px}}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start}}
@media (max-width:767px){.article-body table{display:block;overflow-x:auto;white-space:nowrap}}

/* 空态 */
.empty-state{text-align:center;padding:44px 12px}
.dot-art{display:flex;justify-content:center;gap:10px;margin-bottom:18px}
.dot-art span{width:12px;height:12px;border-radius:4px;background:var(--line)}
.dot-art span:nth-child(2){background:var(--lime)}
.empty-title{font-size:20px;font-weight:800;color:var(--brand-900);margin-bottom:8px}
.empty-text{font-size:15px;color:var(--muted);margin-bottom:22px}

/* 文末 */
.article-tail{max-width:780px;margin:36px auto 0;padding-top:24px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--lime-soft);color:var(--brand-900);font-size:13px;font-weight:600}
.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card)}
.side-card h3{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:var(--brand-900);margin-bottom:12px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--lime);flex:none}
.side-list li + li{border-top:1px dashed var(--line)}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:46px;font-size:15px;font-weight:600;color:var(--ink)}
.side-list a:hover{color:var(--brand-700)}
.side-list .chev{color:var(--brand-700);font-size:13px}
.rank-list li{display:flex;gap:12px;padding:11px 0;font-size:15px;align-items:flex-start}
.rank-list li + li{border-top:1px dashed var(--line)}
.rank-num{flex:none;font-size:16px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.7}
.rank-list a{color:var(--ink);font-weight:600}
.rank-list a:hover{color:var(--brand-700)}
.side-cta{background:var(--brand-900);border-radius:var(--radius-card);padding:24px;color:#fff;box-shadow:var(--shadow-card)}
.side-cta h3{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:#fff;margin-bottom:8px}
.side-cta h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--lime);flex:none}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.76);margin-bottom:16px}
.side-cta .btn{width:100%}
.side-meta{font-size:13px;color:var(--muted);margin-top:12px;font-variant-numeric:tabular-nums}
@media (min-width:1024px){.sidebar{position:sticky;top:96px}}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
.section-head{margin-bottom:28px}
.section-title{display:flex;align-items:center;gap:12px;font-size:26px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.section-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--brand-900);flex:none}
.section-sub{font-size:15.5px;color:var(--muted);margin-top:10px}
@media (min-width:768px){.section{padding:88px 0}.section-head{margin-bottom:36px}.section-title{font-size:32px}}

/* ---------- 卡片 ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0B3B2E,#14664F)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px}
.card-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:15px;line-height:1.7;color:var(--muted);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.card:hover .card-title{color:var(--brand-700)}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- CTA / 隐私 ---------- */
.cta-band{background:var(--brand-900);border-top:4px solid var(--lime)}
.cta-inner{display:flex;flex-direction:column;gap:22px;padding:44px 0}
.cta-copy h2{font-size:24px;font-weight:800;color:#fff;line-height:1.35}
.cta-copy p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn{width:100%}
.privacy-note{display:flex;gap:12px;align-items:flex-start;padding:22px 0 44px;font-size:13.5px;line-height:1.8;color:var(--muted)}
.privacy-note svg{flex:none;margin-top:3px;color:var(--brand-700)}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 0;gap:40px}
  .cta-actions .btn{width:auto}
  .privacy-note{padding:24px 0 56px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);border-top:4px solid var(--lime);color:#fff;padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:14px;color:#fff}
.footer-col p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:36ch}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin-top:42px;padding:18px 0 22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.site-footer{padding-top:64px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}

/* ---------- 表单弹层 ---------- */
.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:flex-end;justify-content:center;background:rgba(6,42,32,.55);padding:0}
.modal[hidden]{display:none}
.modal-card{position:relative;width:100%;max-width:480px;max-height:88vh;overflow-y:auto;background:#fff;border-radius:16px 16px 0 0;padding:28px 22px 26px;box-shadow:0 20px 40px -20px rgba(6,42,32,.5)}
.modal-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--lime);border-radius:16px 16px 0 0}
.modal-close{position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:10px;background:#F1F4EF;color:var(--brand-900);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:#E6EBE3}
.modal-title{font-size:20px;font-weight:800;color:var(--brand-900);margin-bottom:6px}
.modal-sub{font-size:14px;color:var(--muted);margin-bottom:20px;line-height:1.7}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:14px 16px;font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);transition:border-color .2s ease,box-shadow .2s ease}
.field input{height:48px}
.field textarea{min-height:96px;line-height:1.6;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-900);box-shadow:0 0 0 3px rgba(198,240,74,.55)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:18px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:#0B3B2E}
.modal .btn{width:100%}
@media (min-width:640px){
  .modal{align-items:center;padding:24px}
  .modal-card{border-radius:var(--radius-card);padding:32px 28px 28px}
  .modal-card::before{border-radius:var(--radius-card) var(--radius-card) 0 0}
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
    --brand-900:#0B3B2E;
    --brand-deep:#062A20;
    --brand-700:#14664F;
    --lime:#C6F04A;
    --lime-hover:#D3F65F;
    --lime-soft:#EEF9D0;
    --warm:#FF7A2F;
    --ink:#12181A;
    --muted:#5A6663;
    --line:#DCE3DC;
    --paper:#F7F6F1;
    --white:#FFFFFF;
    --r-card:14px;
    --r-btn:10px;
    --sh-card:0 1px 2px rgba(11,59,46,.06);
    --sh-hover:0 10px 24px -12px rgba(11,59,46,.28);
    --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--paper);
    letter-spacing:-0.01em;
  }
  img{display:block;max-width:100%;height:auto}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;color:var(--brand-900)}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
  button{font-family:inherit;cursor:pointer}
  input,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
  :focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px}

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

  .num{font-variant-numeric:tabular-nums;letter-spacing:0}

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--brand-deep);color:rgba(255,255,255,.86);font-size:13px}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
  .topbar-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-inner em{font-style:normal;color:var(--lime)}
  .topbar-link{color:var(--lime);font-weight:600;display:none}
  @media (min-width:768px){ .topbar-link{display:inline} }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--white);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 18px -14px rgba(11,59,46,.45)}
  .header-inner{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    min-height:64px;
    gap:12px;
  }
  @media (min-width:768px){ .header-inner{min-height:72px} }

  .nav-left,.nav-right{display:none;align-items:center;gap:26px}
  .nav-left{justify-self:start}
  .nav-right{justify-self:end}
  @media (min-width:1024px){ .nav-left,.nav-right{display:flex} }

  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:44px;
    font-size:15px;
    font-weight:600;
    color:var(--muted);
  }
  .nav-link:hover{color:var(--brand-900)}
  .nav-link.is-active{color:var(--brand-900);font-weight:700}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;
    background:var(--lime);border-radius:2px;
  }

  .brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
  .brand-mark{
    position:relative;width:26px;height:26px;flex:0 0 26px;border-radius:5px;
    background:var(--brand-900);
    clip-path:polygon(0 0,72% 0,100% 30%,100% 100%,0 100%);
  }
  .brand-mark::after{
    content:"";position:absolute;right:4px;bottom:4px;width:9px;height:9px;border-radius:999px;background:var(--lime);
  }
  .brand-name{font-size:17px;font-weight:800;color:var(--brand-900);white-space:nowrap}
  @media (min-width:1024px){ .brand-name{font-size:18px} }
  @media (max-width:520px){ .brand-name{font-size:15px} }

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:0;border-radius:var(--r-btn);
    padding:14px 26px;font-size:15px;font-weight:700;
    text-align:center;white-space:nowrap;
    transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn-primary{background:var(--lime);color:var(--brand-900);box-shadow:var(--sh-card)}
  .btn-primary:hover{background:var(--lime-hover);transform:translateY(-2px);box-shadow:var(--sh-hover)}
  .btn-primary:active{transform:translateY(0)}
  .btn-secondary{background:var(--white);color:var(--brand-900);border:1.5px solid var(--brand-900)}
  .btn-secondary:hover{background:#F0F5EE;border-color:var(--lime);transform:translateY(-2px)}
  .btn-ghost{
    background:var(--lime);color:var(--brand-900);padding:10px 18px;font-size:14px;border-radius:var(--r-btn);
  }
  .btn-ghost:hover{background:var(--lime-hover)}
  .btn-sm{padding:12px 22px;font-size:14px}
  .btn:disabled{opacity:.45;transform:none;cursor:not-allowed;box-shadow:none}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-900);
    border-bottom:1px solid var(--lime);padding-bottom:2px;
  }
  .text-link:hover{color:var(--brand-700)}
  .text-link .arrow{transition:transform .18s ease}
  .text-link:hover .arrow{transform:translateX(4px)}

  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--white);justify-self:end;
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);
  }
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}
  @media (min-width:1024px){ .menu-toggle{display:none} }

  .mobile-panel{
    position:fixed;top:0;left:0;right:0;z-index:80;
    background:var(--white);border-bottom:1px solid var(--line);
    transform:translateY(-102%);transition:transform .24s ease;
    max-height:88vh;overflow-y:auto;
  }
  .mobile-panel.is-open{transform:translateY(0)}
  .mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line)}
  .mobile-panel a.mobile-link{
    display:flex;align-items:center;min-height:52px;padding:0 20px;
    border-bottom:1px solid var(--line);color:var(--brand-900);font-weight:600;font-size:16px;
  }
  .mobile-panel a.mobile-link.is-active{color:var(--brand-700);background:#F4F8F1}
  .mobile-panel-cta{padding:18px 20px}
  @media (min-width:1024px){ .mobile-panel{display:none} }

  /* ---------- 通用区块 ---------- */
  .section{padding:56px 0}
  @media (min-width:768px){ .section{padding:96px 0} }
  .section-paper{background:var(--paper)}
  .section-white{background:var(--white)}
  .section-head{margin-bottom:36px;max-width:760px}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--brand-700);letter-spacing:.08em;margin-bottom:12px;
  }
  .kicker::before{content:"";width:4px;height:20px;background:var(--brand-900);border-radius:2px}
  h2.section-title{font-size:26px;line-height:1.25}
  @media (min-width:768px){ h2.section-title{font-size:34px} }
  .section-lede{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700;
    background:var(--lime-soft);color:var(--brand-900);
  }
  .badge-dark{background:var(--brand-900);color:#fff}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;background:var(--paper);
    padding:40px 0 48px;
  }
  @media (min-width:768px){ .hero{padding:56px 0 72px} }
  .hero::before{
    content:"";position:absolute;top:0;right:0;width:220px;height:120px;
    background:linear-gradient(135deg,rgba(198,240,74,.55),rgba(198,240,74,0));
    clip-path:polygon(28% 0,100% 0,100% 100%);
    pointer-events:none;
  }
  .hero-grid{display:grid;gap:32px;align-items:center;position:relative;z-index:1}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:6fr 6fr;gap:56px;min-height:400px}
  }
  .hero h1{font-size:30px;line-height:1.18}
  @media (min-width:768px){ .hero h1{font-size:40px} }
  @media (min-width:1024px){ .hero h1{font-size:46px} }
  .hero-lede{margin-top:18px;font-size:16px;line-height:1.8;color:var(--muted);max-width:620px}
  @media (min-width:768px){ .hero-lede{font-size:17px} }
  .hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px}
  @media (min-width:640px){ .hero-actions{flex-direction:row;align-items:center} }
  .hero-media{
    border-radius:var(--r-card);overflow:hidden;background:var(--brand-900);
    box-shadow:var(--sh-card);aspect-ratio:4/3;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13px;color:var(--muted)}
  .hero-facts li{display:inline-flex;align-items:center;gap:8px}
  .hero-facts li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);flex:0 0 8px}

  /* ---------- 对比清单 ---------- */
  .compare{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--white)}
  .compare-row{display:grid;border-bottom:1px solid var(--line)}
  .compare-row:last-child{border-bottom:0}
  @media (min-width:768px){ .compare-row{grid-template-columns:140px 1fr} }
  .compare-key{
    background:rgba(11,59,46,.06);
    font-size:14px;font-weight:700;color:var(--brand-900);
    padding:14px 18px;display:flex;align-items:center;gap:10px;
  }
  .compare-key .idx{font-size:12px;color:var(--brand-700);font-variant-numeric:tabular-nums}
  .compare-val{padding:16px 18px;font-size:15px;color:#2B3330;line-height:1.75}
  @media (min-width:768px){
    .compare-key{padding:20px 18px;min-height:64px}
    .compare-val{padding:20px 24px;min-height:64px;display:flex;align-items:center}
  }
  .compare-val strong{color:var(--brand-900)}

  /* ---------- 方案卡 ---------- */
  .plan-grid{display:grid;gap:20px}
  @media (min-width:768px){ .plan-grid{grid-template-columns:1fr 1fr} }
  .plan-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px;box-shadow:var(--sh-card);
    display:flex;flex-direction:column;gap:14px;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .plan-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--sh-hover)}
  @media (min-width:768px){ .plan-card.is-wide{grid-column:span 2;flex-direction:row;align-items:center;gap:32px} }
  .plan-icon{
    width:46px;height:46px;flex:0 0 46px;border-radius:12px;
    background:var(--brand-900);display:inline-flex;align-items:center;justify-content:center;
  }
  .plan-icon svg{width:22px;height:22px}
  .plan-card h3{font-size:19px;line-height:1.4}
  .plan-card p{font-size:15px;color:var(--muted);line-height:1.8}
  .plan-body{display:flex;flex-direction:column;gap:12px}
  .plan-media{
    border-radius:var(--r-card);overflow:hidden;background:var(--brand-900);
    aspect-ratio:4/3;margin-top:4px;
  }
  .plan-media img{width:100%;height:100%;object-fit:cover}
  @media (min-width:768px){ .plan-card.is-wide .plan-media{flex:0 0 44%;margin-top:0} }

  /* ---------- 数据条 ---------- */
  .statbar{background:var(--lime);border-top:4px solid var(--brand-900)}
  .statbar-inner{padding:44px 0}
  @media (min-width:768px){ .statbar-inner{padding:56px 0} }
  .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  @media (min-width:768px){ .stat-grid{grid-template-columns:repeat(4,1fr);gap:28px} }
  .stat-item{border-left:2px solid rgba(11,59,46,.25);padding-left:16px}
  .stat-value{
    font-size:32px;font-weight:800;color:var(--brand-900);line-height:1.1;
    font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  }
  @media (min-width:768px){ .stat-value{font-size:42px} }
  .stat-unit{font-size:15px;font-weight:700;color:var(--brand-900);margin-left:4px}
  .stat-desc{margin-top:8px;font-size:13px;color:rgba(11,59,46,.78);line-height:1.6}

  /* ---------- 表单锚点区 ---------- */
  .form-wrap{
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px;box-shadow:var(--sh-card);
  }
  @media (min-width:768px){ .form-wrap{padding:32px} }
  .field{margin-bottom:18px}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600}
  .field input,.field textarea{
    width:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-btn);
    padding:14px 16px;min-height:48px;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{min-height:110px;resize:vertical;line-height:1.7}
  .field input:focus,.field textarea:focus{
    outline:none;border-color:var(--brand-900);box-shadow:0 0 0 3px rgba(198,240,74,.55);
  }
  .check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin:4px 0 20px}
  .check-row input{width:18px;height:18px;min-height:18px;margin-top:2px;accent-color:#14664F;flex:0 0 18px}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px}
  .faq-item{
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{border-color:var(--lime);box-shadow:var(--sh-card)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:14px 22px;font-size:16px;font-weight:600;color:var(--brand-900);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    position:relative;flex:0 0 20px;width:20px;height:20px;border-radius:999px;
    border:1.5px solid var(--brand-900);transition:transform .2s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand-900);transform:translate(-50%,-50%);
  }
  .faq-icon::before{width:09px;height:1.5px}
  .faq-icon::after{width:1.5px;height:9px;transition:opacity .2s ease}
  .faq-item[open] .faq-icon{transform:rotate(90deg)}
  .faq-item[open] .faq-icon::after{opacity:0}
  .faq-answer{padding:0 22px 20px;border-top:1px solid var(--line);font-size:16px;line-height:1.8;color:#2B3330}
  .faq-answer p{padding-top:16px}

  /* ---------- CTA 条 ---------- */
  .cta-band{background:var(--brand-900);position:relative;overflow:hidden}
  .cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime)}
  .cta-inner{padding:44px 0;display:flex;flex-direction:column;gap:22px;align-items:flex-start}
  @media (min-width:768px){
    .cta-inner{padding:56px 0;flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
  }
  .cta-inner h2{color:#fff;font-size:24px;line-height:1.3}
  .cta-inner p{margin-top:10px;color:rgba(255,255,255,.75);font-size:15px;max-width:620px}
  .cta-actions{display:flex;flex-direction:column;gap:12px;width:100%}
  @media (min-width:640px){ .cta-actions{flex-direction:row;width:auto} }
  .btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
  .btn-outline-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}

  /* ---------- 隐私说明条 ---------- */
  .privacy{background:var(--paper);border-top:1px solid var(--line)}
  .privacy-inner{display:flex;gap:14px;padding:24px 0;font-size:13px;color:var(--muted);line-height:1.8}
  .privacy-inner svg{flex:0 0 22px;width:22px;height:22px;margin-top:2px}

  /* ---------- 弹层 ---------- */
  .modal{
    position:fixed;inset:0;z-index:120;display:none;
    background:rgba(6,42,32,.55);
    padding:20px;
  }
  .modal.is-open{display:flex;align-items:center;justify-content:center}
  .modal-card{
    position:relative;width:100%;max-width:480px;background:var(--white);
    border-radius:var(--r-card);padding:26px;box-shadow:0 24px 60px -24px rgba(6,42,32,.6);
    max-height:88vh;overflow-y:auto;
  }
  .modal-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime);
    border-radius:var(--r-card) var(--r-card) 0 0;
  }
  .modal-close{
    position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:var(--white);color:var(--brand-900);font-size:18px;line-height:1;
    display:inline-flex;align-items:center;justify-content:center;
  }
  .modal-close:hover{background:#F0F5EE;border-color:var(--lime)}
  .modal-card h3{font-size:20px;margin-bottom:8px}
  .modal-card .modal-lede{font-size:14px;color:var(--muted);margin-bottom:20px}
  @media (max-width:520px){
    .modal{padding:0;align-items:flex-end}
    .modal-card{max-width:100%;border-radius:16px 16px 0 0;padding:22px 20px 26px}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);position:relative}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime)}
  .footer-grid{display:grid;gap:32px;padding:52px 0 36px}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px} }
  .footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px}
  .footer-brand .brand-mark{background:var(--lime)}
  .footer-brand .brand-mark::after{background:var(--brand-900)}
  .footer-col p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
  .footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.04em}
  .footer-col li{margin-bottom:10px}
  .footer-col a{color:rgba(255,255,255,.78);font-size:14px}
  .footer-col a:hover{color:var(--lime)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);
    padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important}
    html{scroll-behavior:auto}
  }

/* roulang page: category2 */
:root{
    --brand-900:#0B3B2E;
    --brand-800:#062A20;
    --brand-600:#14664F;
    --teal:#2FBFA8;
    --lime:#C6F04A;
    --lime-soft:#EEF9D0;
    --lime-hover:#D3F65F;
    --warm:#FF7A2F;
    --ink:#12181A;
    --muted:#5A6663;
    --line:#DCE3DC;
    --paper:#F7F6F1;
    --white:#FFFFFF;
    --radius-card:14px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(11,59,46,.06);
    --shadow-hover:0 10px 24px -12px rgba(11,59,46,.28);
    --shadow-header:0 6px 18px -14px rgba(11,59,46,.35);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:17px;
    line-height:1.75;
    color:var(--ink);
    background:var(--paper);
    letter-spacing:-0.01em;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
  a:hover{color:var(--brand-900)}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;color:var(--brand-900);line-height:1.25}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  [hidden]{display:none !important}
  .num{font-variant-numeric:tabular-nums;letter-spacing:-0.02em}

  :focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}

  .skip-link{
    position:absolute;left:-9999px;top:0;z-index:200;
    background:var(--brand-900);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
  }
  .skip-link:focus{left:0;color:#fff}

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

  /* ============ 顶部信息条 ============ */
  .topbar{
    background:var(--brand-900);
    color:rgba(255,255,255,.88);
    font-size:13px;
    line-height:1;
  }
  .topbar-inner{
    min-height:36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .topbar-inner strong{color:var(--lime);font-weight:700}
  .topbar-link{color:var(--lime);font-weight:600;border-bottom:1px solid transparent;padding-bottom:2px}
  .topbar-link:hover{color:#fff;border-bottom-color:var(--lime)}
  @media (max-width:767px){
    .topbar-link{display:none}
  }

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--white);
    border-bottom:1px solid transparent;
    transition:box-shadow .22s ease,border-color .22s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:var(--shadow-header);
  }
  .header-inner{
    position:relative;
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:18px;
    min-height:72px;
  }
  .nav-left,.nav-right{
    display:flex;
    align-items:center;
    gap:26px;
  }
  .nav-right{justify-content:flex-end;gap:18px}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    min-height:44px;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    padding:0 2px;
  }
  .nav-link:hover{color:var(--brand-600)}
  .nav-link.is-active{color:var(--brand-900);font-weight:700}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:6px;
    height:3px;
    border-radius:2px;
    background:var(--lime);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:17px;
    font-weight:800;
    color:var(--brand-900);
    white-space:nowrap;
    padding:6px 4px;
  }
  .brand:hover{color:var(--brand-900)}
  .brand-mark{
    position:relative;
    width:26px;height:26px;
    background:var(--brand-900);
    clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
    flex:0 0 auto;
  }
  .brand-mark::after{
    content:"";
    position:absolute;
    right:5px;top:5px;
    width:8px;height:8px;
    border-radius:50%;
    background:var(--lime);
  }
  .menu-toggle{
    display:none;
    width:44px;height:44px;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:var(--white);
    position:absolute;
    right:20px;top:50%;
    transform:translateY(-50%);
  }
  .menu-toggle span{
    display:block;
    width:18px;height:2px;
    background:var(--brand-900);
    position:relative;
    border-radius:2px;
  }
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}
  .mobile-menu{
    position:absolute;
    left:0;right:0;top:100%;
    background:var(--white);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -22px rgba(11,59,46,.45);
    padding:6px 0 14px;
  }
  .mobile-menu a{
    display:flex;
    align-items:center;
    min-height:52px;
    padding:0 20px;
    font-size:16px;
    font-weight:600;
    color:var(--brand-900);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a:last-of-type{border-bottom:0}
  .mobile-menu a.is-active{color:var(--brand-600)}
  .mobile-menu .mobile-cta{margin:12px 20px 0}
  .mobile-menu .mobile-cta .btn{width:100%}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:14px 26px;
    border-radius:var(--radius-btn);
    font-size:16px;
    font-weight:700;
    line-height:1;
    transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
    text-align:center;
  }
  .btn-primary{
    background:var(--lime);
    color:var(--brand-900);
    box-shadow:var(--shadow-card);
  }
  .btn-primary:hover{
    background:var(--lime-hover);
    color:var(--brand-900);
    transform:translateY(-2px);
    box-shadow:var(--shadow-hover);
  }
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{
    background:var(--white);
    color:var(--brand-900);
    border:1.5px solid var(--brand-600);
  }
  .btn-ghost:hover{
    background:#F0F5EE;
    border-color:var(--lime);
    color:var(--brand-900);
  }
  .btn-sm{min-height:40px;padding:10px 18px;font-size:14px}
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-weight:700;
    color:var(--brand-900);
    border-bottom:1px solid var(--lime);
    padding-bottom:2px;
  }
  .link-arrow svg{transition:transform .18s ease}
  .link-arrow:hover svg{transform:translateX(4px)}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0}
  @media (min-width:768px){
    .section{padding:96px 0}
  }
  .section-head{margin-bottom:32px;max-width:760px}
  @media (min-width:768px){
    .section-head{margin-bottom:48px}
  }
  .kicker{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--brand-600);
    text-transform:uppercase;
    margin-bottom:14px;
  }
  .kicker::before{
    content:"";
    width:4px;height:20px;
    background:var(--brand-900);
    border-radius:2px;
  }
  .section-head h2{font-size:26px;line-height:1.25}
  @media (min-width:768px){
    .section-head h2{font-size:34px}
  }
  .section-head p{margin-top:14px;color:var(--muted);font-size:16px}
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 14px;
    border-radius:999px;
    background:var(--lime-soft);
    color:var(--brand-900);
    font-size:13px;
    font-weight:700;
    line-height:1.4;
  }
  .badge-dark{background:var(--brand-900);color:#fff}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    background:var(--paper);
    padding:44px 0 56px;
  }
  .hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(11,59,46,.12) 1px,transparent 1px);
    background-size:18px 18px;
    opacity:.65;
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:1024px){
    .hero{padding:56px 0 72px}
    .hero-grid{grid-template-columns:1fr 1.06fr;gap:56px}
  }
  .hero-media{
    position:relative;
    border-radius:var(--radius-card);
    overflow:hidden;
    background:linear-gradient(135deg,var(--brand-900),var(--brand-600));
    aspect-ratio:4/3;
    box-shadow:var(--shadow-card);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{
    content:"";
    position:absolute;
    left:0;top:0;
    width:120px;height:6px;
    background:var(--lime);
  }
  .hero h1{
    font-size:clamp(30px,6.2vw,46px);
    line-height:1.16;
  }
  .hero-lead{
    margin-top:18px;
    font-size:17px;
    line-height:1.8;
    color:#3D4A46;
    max-width:600px;
  }
  @media (min-width:768px){
    .hero-lead{font-size:18px}
  }
  .hero-actions{
    margin-top:28px;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  @media (min-width:640px){
    .hero-actions{flex-direction:row;flex-wrap:wrap;gap:14px}
  }
  .hero-tags{
    margin-top:26px;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  /* ============ 时间轴 ============ */
  .timeline-wrap{position:relative}
  .timeline{
    position:relative;
    padding-left:34px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:11px;top:8px;bottom:8px;
    width:2px;
    background:var(--line);
  }
  .timeline-item{position:relative;padding-bottom:28px}
  .timeline-item:last-child{padding-bottom:0}
  .timeline-dot{
    position:absolute;
    left:-34px;top:20px;
    width:12px;height:12px;
    border-radius:50%;
    background:var(--lime);
    box-shadow:0 0 0 4px #fff,0 0 0 5px var(--line);
  }
  .timeline-card{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:24px;
    box-shadow:var(--shadow-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .timeline-card:hover{
    transform:translateY(-3px);
    border-color:var(--lime);
    box-shadow:var(--shadow-hover);
  }
  .timeline-step{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:40px;
    height:26px;
    padding:0 10px;
    border-radius:6px;
    background:var(--brand-900);
    color:var(--lime);
    font-size:14px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    margin-bottom:12px;
  }
  .timeline-card h3{font-size:20px;line-height:1.35}
  .timeline-card p{margin-top:10px;color:var(--muted);font-size:16px}
  @media (min-width:1024px){
    .timeline{padding-left:40px;max-width:860px}
    .timeline::before{left:12px}
    .timeline-dot{left:-40px;top:24px}
    .timeline-card{padding:28px}
    .timeline-item{padding-bottom:32px}
  }

  /* ============ 数据条（青柠底反转） ============ */
  .stat-band{
    background:var(--lime);
    border-top:4px solid var(--brand-900);
    padding:44px 0;
  }
  @media (min-width:768px){
    .stat-band{padding:64px 0}
  }
  .stat-band .section-head h2{color:var(--brand-900)}
  .stat-band .section-head p{color:#2C4239}
  .stat-band .kicker{color:var(--brand-900)}
  .stat-band .kicker::before{background:var(--brand-800)}
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  @media (min-width:1024px){
    .stat-grid{grid-template-columns:repeat(4,1fr);gap:24px}
  }
  .stat-item{
    background:rgba(255,255,255,.55);
    border:1px solid rgba(11,59,46,.16);
    border-radius:var(--radius-card);
    padding:22px 20px;
    opacity:0;
    transform:translateY(14px);
    transition:opacity .6s ease,transform .6s ease;
  }
  .stat-item.is-in{opacity:1;transform:translateY(0)}
  .stat-value{
    font-size:34px;
    font-weight:800;
    color:var(--brand-900);
    font-variant-numeric:tabular-nums;
    letter-spacing:-0.03em;
    line-height:1.1;
  }
  @media (min-width:768px){
    .stat-value{font-size:40px}
  }
  .stat-value small{font-size:15px;font-weight:700;margin-left:4px;letter-spacing:0}
  .stat-label{
    margin-top:10px;
    font-size:14px;
    color:#2C4239;
    line-height:1.65;
  }

  /* ============ 相关条目卡 ============ */
  .entry-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
  }
  @media (min-width:768px){
    .entry-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  }
  .entry-card{
    display:flex;
    flex-direction:column;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    color:var(--ink);
  }
  .entry-card:hover{
    transform:translateY(-3px);
    border-color:var(--lime);
    box-shadow:var(--shadow-hover);
    color:var(--ink);
  }
  .entry-thumb{
    aspect-ratio:16/9;
    overflow:hidden;
    background:linear-gradient(135deg,var(--brand-900),var(--brand-600));
  }
  .entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .entry-card:hover .entry-thumb img{transform:scale(1.04)}
  .entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
  .entry-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .entry-body h3{font-size:19px;line-height:1.42}
  .entry-body p{color:var(--muted);font-size:15px}
  .entry-meta{
    margin-top:auto;
    padding-top:12px;
    border-top:1px dashed var(--line);
    font-size:13px;
    color:var(--muted);
    font-variant-numeric:tabular-nums;
    display:flex;
    align-items:center;
    gap:8px;
  }

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:14px}
  .faq-item{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{
    border-color:var(--lime);
    box-shadow:var(--shadow-hover);
  }
  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:56px;
    padding:16px 24px;
    font-size:17px;
    font-weight:600;
    color:var(--brand-900);
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    position:relative;
    flex:0 0 auto;
    width:20px;height:20px;
    transition:transform .22s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";
    position:absolute;
    background:var(--brand-600);
    border-radius:2px;
  }
  .faq-icon::before{left:0;top:9px;width:20px;height:2px}
  .faq-icon::after{left:9px;top:0;width:2px;height:20px}
  .faq-item[open] .faq-icon{transform:rotate(90deg)}
  .faq-item[open] .faq-icon::after{opacity:0}
  .faq-answer{
    padding:0 24px 22px;
    border-top:1px solid var(--line);
    margin-top:2px;
    padding-top:18px;
    font-size:16px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ============ CTA 条 ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:var(--brand-900);
    color:#fff;
    padding:40px 0;
  }
  @media (min-width:768px){
    .cta-band{padding:56px 0}
  }
  .cta-band::before{
    content:"";
    position:absolute;
    left:0;top:0;right:0;
    height:4px;
    background:var(--lime);
  }
  .cta-inner{
    display:flex;
    flex-direction:column;
    gap:22px;
    align-items:flex-start;
  }
  @media (min-width:768px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
  }
  .cta-band h2{color:#fff;font-size:24px;line-height:1.3}
  @media (min-width:768px){
    .cta-band h2{font-size:30px}
  }
  .cta-band p{margin-top:10px;color:rgba(255,255,255,.78);font-size:16px;max-width:620px}

  /* ============ 隐私说明条 ============ */
  .privacy-note{
    background:var(--white);
    border-top:1px solid var(--line);
    padding:26px 0;
  }
  .privacy-inner{
    display:flex;
    gap:14px;
    align-items:flex-start;
    font-size:14px;
    line-height:1.8;
    color:var(--muted);
  }
  .privacy-inner svg{flex:0 0 auto;margin-top:3px;color:var(--brand-600)}

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;
    background:var(--brand-900);
    color:rgba(255,255,255,.82);
    border-top:4px solid var(--lime);
    padding:56px 0 26px;
    overflow:hidden;
  }
  .footer-arc{
    position:absolute;
    right:-60px;
    top:-40px;
    width:320px;
    height:320px;
    opacity:.14;
    pointer-events:none;
  }
  .footer-grid{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
  }
  .footer-brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-size:17px;
    font-weight:800;
  }
  .footer-brand:hover{color:var(--lime)}
  .footer-brand .brand-mark{background:var(--lime)}
  .footer-brand .brand-mark::after{background:var(--brand-900)}
  .footer-col p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
  .footer-col h4{
    color:var(--lime);
    font-size:14px;
    font-weight:700;
    letter-spacing:.04em;
    margin-bottom:14px;
  }
  .footer-col ul li{margin-bottom:10px}
  .footer-col ul a{
    color:rgba(255,255,255,.82);
    font-size:15px;
    border-bottom:1px solid transparent;
    padding-bottom:1px;
  }
  .footer-col ul a:hover{color:var(--lime);border-bottom-color:var(--lime)}
  .footer-bottom{
    position:relative;
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.16);
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.6);
  }
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}
  }

  /* ============ 弹层表单 ============ */
  .modal{
    position:fixed;
    inset:0;
    z-index:120;
    display:flex;
    align-items:flex-end;
    justify-content:center;
    background:rgba(6,42,32,.55);
    opacity:0;
    transition:opacity .2s ease;
  }
  .modal.is-open{opacity:1}
  @media (min-width:768px){
    .modal{align-items:center}
  }
  .modal-card{
    position:relative;
    width:100%;
    max-height:88vh;
    overflow-y:auto;
    background:var(--white);
    border-radius:16px 16px 0 0;
    padding:28px 22px 30px;
    box-shadow:0 30px 60px -30px rgba(6,42,32,.6);
    transform:translateY(18px);
    transition:transform .24s ease;
  }
  .modal.is-open .modal-card{transform:translateY(0)}
  @media (min-width:768px){
    .modal-card{
      max-width:480px;
      border-radius:var(--radius-card);
      padding:32px 30px 30px;
    }
  }
  .modal-card::before{
    content:"";
    position:absolute;
    left:0;right:0;top:0;
    height:5px;
    background:var(--lime);
    border-radius:16px 16px 0 0;
  }
  @media (min-width:768px){
    .modal-card::before{border-radius:var(--radius-card) var(--radius-card) 0 0}
  }
  .modal-close{
    position:absolute;
    right:14px;top:16px;
    width:40px;height:40px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:var(--radius-btn);
    border:1px solid var(--line);
    background:var(--white);
    color:var(--brand-900);
    font-size:20px;
    line-height:1;
  }
  .modal-close:hover{background:#F0F5EE;border-color:var(--lime)}
  .modal-card h2{font-size:22px;line-height:1.35;padding-right:44px}
  .modal-card .modal-sub{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7}
  .field{margin-top:18px}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600}
  .field input,.field textarea{
    width:100%;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    min-height:48px;
    padding:14px 16px;
    font-size:16px;
    font-family:inherit;
    color:var(--ink);
    transition:border-color .16s ease,box-shadow .16s ease;
  }
  .field textarea{min-height:104px;resize:vertical;line-height:1.7}
  .field input:focus,.field textarea:focus{
    outline:none;
    border-color:var(--brand-600);
    box-shadow:0 0 0 3px rgba(198,240,74,.55);
  }
  .check-row{
    display:flex;
    gap:10px;
    align-items:flex-start;
    margin-top:18px;
    font-size:13px;
    color:var(--muted);
    line-height:1.7;
  }
  .check-row input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand-600)}
  .modal-actions{margin-top:22px;display:flex;flex-direction:column;gap:12px}
  .modal-actions .btn{width:100%}
  .form-note{
    margin-top:14px;
    font-size:13px;
    color:var(--brand-600);
    font-weight:600;
  }

  .no-scroll{overflow:hidden}

  @media (max-width:1023px){
    .nav-left,.nav-right{display:none}
    .menu-toggle{display:inline-flex}
    .header-inner{grid-template-columns:1fr;min-height:64px}
    .brand{justify-self:center;font-size:16px}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
    html{scroll-behavior:auto}
    .stat-item{opacity:1;transform:none}
    .modal,.modal-card{transition:none}
  }