/* roulang page: index */
:root{
  --brand:#00C389;
  --brand-dark:#00A876;
  --brand-soft:#E6F9F2;
  --brand-deep:#007A55;
  --ink:#15181B;
  --ink-2:#1D2328;
  --muted:#5B6570;
  --bg:#F4F6F3;
  --surface:#FFFFFF;
  --line:#E2E6E0;
  --accent:#FF6B35;
  --r-btn:999px;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh1:0 4px 12px rgba(21,24,27,.05);
  --sh2:0 12px 32px rgba(21,24,27,.08);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.25;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid transparent;box-shadow:0 0 0 3px rgba(0,195,137,.35);border-radius:8px}
::selection{background:rgba(0,195,137,.22)}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.97);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(21,24,27,.035)}
.site-header .inner{display:flex;align-items:center;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#00C389,#00A876);display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;letter-spacing:-.02em;box-shadow:0 6px 14px rgba(0,168,118,.28)}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.nav-pill{display:none}
@media(min-width:992px){
  .nav-pill{display:flex;align-items:center;gap:6px;margin-left:auto}
}
.nav-pill a{position:relative;display:inline-block;padding:8px 15px;border-radius:999px;font-size:15px;font-weight:500;color:#414A52}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-pill a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:700}
.nav-pill a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-4px;width:18px;height:2px;border-radius:2px;background:var(--brand)}
.header-cta{display:none;margin-left:12px;white-space:nowrap}
@media(min-width:992px){.header-cta{display:inline-flex}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--ink);background:#fff;margin-left:auto}
@media(min-width:992px){.nav-toggle{display:none}}
.drive-drawer{width:320px;max-width:88vw;border-left:1px solid var(--line)}
.drive-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:14px 20px;min-height:68px}
.drive-drawer .offcanvas-body{padding:18px 20px 32px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--ink-2);border:1px solid transparent;margin-bottom:6px}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(0,195,137,.28)}
.drawer-foot{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:var(--r-btn);padding:12px 24px;font-weight:700;font-size:15px;line-height:1.4;transition:all .22s ease;min-height:46px}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,168,118,.28)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:var(--r-btn);padding:12px 24px;font-weight:600;font-size:15px;line-height:1.4;transition:all .22s ease;min-height:46px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(21,24,27,.07)}
.btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:#F4F6F3;border:1px solid rgba(244,246,243,.32);border-radius:var(--r-btn);padding:12px 24px;font-weight:600;font-size:15px;line-height:1.4;transition:all .22s ease;min-height:46px}
.btn-ghost-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-deep)}
.arrow-link i{transition:transform .22s ease}
.arrow-link:hover i{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge-soft{display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand-deep);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;line-height:1.7}
.badge-outline{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600}
.meta-time{font-size:13px;color:var(--muted)}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:56px 0 76px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(880px 420px at 88% -12%,rgba(0,195,137,.14),transparent 62%),linear-gradient(180deg,#F8FAF7 0%,#F4F6F3 100%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
@media(min-width:992px){.hero-grid{grid-template-columns:1.32fr 1fr;gap:56px}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-deep);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:700}
.hero h1{font-size:clamp(30px,4vw,46px);line-height:1.2;margin-top:20px}
.hero h1 .hl{color:var(--brand-deep);background:linear-gradient(180deg,transparent 62%,rgba(0,195,137,.22) 62%)}
.hero-sub{font-size:17px;color:var(--muted);margin-top:18px;max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-fact b{display:block;font-size:17px;color:var(--ink);font-weight:800}
.hero-fact span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh2)}
.hero-badge{position:absolute;left:-14px;bottom:26px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 18px;box-shadow:var(--sh2);display:flex;align-items:center;gap:12px}
.hero-badge i{color:var(--brand);font-size:18px}
.hero-badge b{display:block;font-size:14px;color:var(--ink)}
.hero-badge span{font-size:12px;color:var(--muted)}
@media(max-width:575.98px){.hero-badge{left:10px;bottom:12px;padding:10px 14px}}

/* ---------- 板块 ---------- */
.sec{padding:var(--sec-y) 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);background:var(--brand-soft);padding:6px 13px;border-radius:999px}
.sec-title{font-size:clamp(26px,3vw,34px);margin-top:16px}
.sec-desc{color:var(--muted);margin-top:14px;font-size:16px}

/* ---------- 痛点提问 ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.pain-grid{grid-template-columns:repeat(3,1fr)}}
.pain-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px 24px;box-shadow:var(--sh1);transition:all .22s ease;overflow:hidden}
.pain-card::before{content:"";position:absolute;top:0;left:0;width:56px;height:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.pain-card:hover{transform:translateY(-2px);border-color:rgba(0,195,137,.28);box-shadow:var(--sh2)}
.pain-num{font-size:13px;font-weight:800;color:var(--brand-deep);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.pain-card h3{font-size:18px;margin-top:12px}
.pain-card p{font-size:14px;color:var(--muted);margin-top:10px}

/* ---------- 方案卡片 ---------- */
.solution-row{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:992px){.solution-row{grid-template-columns:7fr 5fr}}
.solution-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);display:flex;flex-direction:column;transition:all .22s ease}
.solution-main:hover{transform:translateY(-2px);border-color:rgba(0,195,137,.28);box-shadow:var(--sh2)}
.solution-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.solution-main .body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1}
.solution-main h3{font-size:22px}
.solution-main p{color:var(--muted);font-size:15px}
.solution-side{display:grid;gap:16px;align-content:start}
.solution-strip{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh1);transition:all .22s ease}
.solution-strip:hover{transform:translateY(-2px);border-color:rgba(0,195,137,.28);box-shadow:var(--sh2)}
.solution-strip h3{font-size:17px}
.solution-strip p{font-size:14px;color:var(--muted);margin-top:6px}
.icon-box{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center;font-size:17px}

/* ---------- 数据带 ---------- */
.stats{background:var(--ink);border-top:1px solid rgba(0,195,137,.35);border-bottom:1px solid rgba(0,195,137,.35);padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 24px}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat-num{font-size:clamp(36px,4.6vw,52px);font-weight:800;color:var(--brand);line-height:1.05;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-num em{font-style:normal;font-size:.5em;margin-left:4px;font-weight:700}
.stat-label{color:rgba(244,246,243,.76);font-size:14px;margin-top:12px}
.stats-note{margin-top:34px;padding-top:20px;border-top:1px solid rgba(244,246,243,.12);color:rgba(244,246,243,.5);font-size:13px}

/* ---------- CMS 列表 ---------- */
.news-layout{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:992px){.news-layout{grid-template-columns:1.15fr .85fr}}
.news-hero{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);transition:all .22s ease;height:100%}
.news-hero:hover{transform:translateY(-2px);border-color:rgba(0,195,137,.28);box-shadow:var(--sh2)}
.news-hero img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-hero .body{padding:26px}
.news-hero h3{font-size:21px;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-hero p{color:var(--muted);font-size:15px;margin-top:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-list{display:grid;gap:14px;align-content:start}
.news-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--sh1);transition:all .22s ease}
.news-item:hover{transform:translateY(-2px);border-color:rgba(0,195,137,.28);box-shadow:var(--sh2)}
.news-item img{width:104px;height:80px;flex:0 0 104px;object-fit:cover;border-radius:10px}
.news-item h4{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:6px}
.news-item p{font-size:13px;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:44px 24px;text-align:center;color:var(--muted)}
.news-empty b{display:block;color:var(--ink);font-size:17px;margin-bottom:8px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px}

/* ---------- CTA 面板 ---------- */
.cta-panel{background:linear-gradient(120deg,#15181B 0%,#1D2328 100%);border-radius:22px;padding:48px;display:grid;gap:32px;grid-template-columns:1fr;align-items:center;position:relative;overflow:hidden}
.cta-panel::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(0,195,137,.24),transparent 68%)}
@media(min-width:992px){.cta-panel{grid-template-columns:1.4fr 1fr;padding:56px}}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.8vw,32px)}
.cta-copy p{color:rgba(244,246,243,.72);margin-top:14px;font-size:15.5px;max-width:600px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:992px){.cta-actions{justify-content:flex-end}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-button{background:transparent;box-shadow:none;padding:22px 48px 22px 0;font-size:17px;font-weight:700;color:var(--ink);border-radius:0;line-height:1.5}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-deep);background:transparent}
.faq-acc .accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23007A55'%3E%3Cpath d='M8 11.6 2.4 6l1.1-1.1L8 9.4l4.5-4.5L13.6 6z'/%3E%3C/svg%3E");
  background-size:15px;width:15px;height:15px;transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(0,195,137,.2)}
.faq-acc .accordion-body{padding:0 44px 24px 0;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- 表单 ---------- */
.modal-content{border:0;border-radius:20px;box-shadow:0 24px 60px rgba(21,24,27,.22)}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px}
.modal-title{font-size:19px;font-weight:800}
.modal-body{padding:24px}
.modal-footer{border-top:0;padding:0 24px 24px}
#contactModal .modal-dialog{max-width:560px}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.form-field label .req{color:var(--accent);margin-left:2px}
.form-control,.form-select{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);padding:12px 14px;font-size:15px;color:var(--ink-2);transition:all .2s ease;min-height:46px}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,195,137,.18);outline:none}
.form-control::placeholder{color:#9AA4AE}
textarea.form-control{min-height:96px;resize:vertical}
.form-check{display:flex;gap:10px;align-items:flex-start;margin-top:16px}
.form-check-input{flex:0 0 auto;width:18px;height:18px;margin-top:3px;border:1px solid var(--line);border-radius:5px}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-label{font-size:13px;color:var(--muted);line-height:1.65}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.btn-block{width:100%}
@media(max-width:767.98px){
  #contactModal .modal-dialog{position:fixed;left:0;right:0;bottom:0;top:auto;margin:0;max-width:100%;min-height:auto;transform:none!important;align-items:flex-end}
  #contactModal .modal-content{border-radius:20px 20px 0 0;max-height:90vh;overflow:auto}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,246,243,.72);padding:68px 0 0;margin-top:0}
.footer-grid{display:grid;gap:38px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand b{color:#F4F6F3;font-size:18px;font-weight:800;letter-spacing:-.02em}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(244,246,243,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:0}
.footer-col a{color:rgba(244,246,243,.72);font-size:14.5px;display:block;padding:6px 0}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14.5px;color:rgba(244,246,243,.72);padding:6px 0;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--brand);margin-top:5px;width:14px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(244,246,243,.12);padding:22px 0;font-size:13px;color:rgba(244,246,243,.5);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media(max-width:991.98px){
  :root{--sec-y:72px}
  .hero{padding:40px 0 60px}
  .cta-panel{padding:36px 26px}
}
@media(max-width:767.98px){
  :root{--sec-y:52px}
  .sec-head{margin-bottom:32px}
  .hero-facts{gap:20px}
  .news-item img{width:88px;height:68px;flex:0 0 88px}
  .modal-body{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:575.98px){
  .hero h1{font-size:28px}
  .brand-text{font-size:15.5px}
  .btn-brand,.btn-ghost,.btn-ghost-light{width:100%}
  .hero-actions{gap:10px}
}

/* roulang page: article */
:root{
  --brand:#00C389;
  --brand-dark:#00A876;
  --brand-deep:#007A55;
  --brand-soft:#E6F9F2;
  --ink:#15181B;
  --text:#1D2328;
  --muted:#5B6570;
  --bg:#F4F6F3;
  --surface:#FFFFFF;
  --line:#E2E6E0;
  --accent:#FF6B35;
  --r-pill:999px;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 4px 12px rgba(21,24,27,.05);
  --sh-2:0 12px 32px rgba(21,24,27,.08);
  --container:1200px;
  --header-h:68px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:var(--header-h);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(0,195,137,.35);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.section-title{font-size:clamp(22px,2.4vw,32px);margin-bottom:14px;}
.section-sub{color:var(--muted);font-size:15px;max-width:660px;}

/* ============ Header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:var(--header-h);
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(21,24,27,.07);}
.header-inner{
  height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#00A876);
  color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;box-shadow:0 4px 12px rgba(0,195,137,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-text span{color:var(--brand-deep);}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:#F1F4F1;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px;
}
.nav-pill a{
  position:relative;display:block;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:all .18s ease;
}
.nav-pill a:hover{color:var(--ink);background:#fff;}
.nav-pill a.active{background:#fff;color:var(--brand-deep);box-shadow:0 2px 8px rgba(21,24,27,.07);}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:3px;width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;
  background:var(--brand);color:#fff;font-weight:700;font-size:14.5px;
  padding:11px 22px;border-radius:var(--r-pill);
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
  box-shadow:0 4px 12px rgba(0,195,137,.24);
}
.btn-cta:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,195,137,.28);color:#fff;}
.btn-cta:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ink);font-weight:700;font-size:14.5px;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:10px 22px;cursor:pointer;
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;align-items:center;justify-content:center;
}
.nav-drawer{width:320px !important;border-left:1px solid var(--line) !important;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;font-weight:600;color:var(--text);
  background:#F7F9F6;border:1px solid transparent;transition:all .18s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(0,195,137,.25);}
.drawer-foot{border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:13.5px;line-height:1.9;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-deep);}
.crumb .sep{color:#B7BFB8;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ============ 文章头 ============ */
.article-hero{background:#fff;border-bottom:1px solid var(--line);padding:44px 0 0;}
.article-hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.28;margin:16px 0 18px;letter-spacing:-.01em;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,107,53,.1);color:#C24418;
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;color:var(--muted);padding-bottom:26px;
}
.meta-row i{color:var(--brand);margin-right:6px;}
.hero-banner{
  position:relative;border-radius:var(--r-card) var(--r-card) 0 0;overflow:hidden;
  aspect-ratio:16/6;background:#DCE3DC;
}
.hero-banner img{width:100%;height:100%;object-fit:cover;}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(21,24,27,.62),rgba(21,24,27,.12) 62%,rgba(0,195,137,.18));
}
.hero-banner .banner-note{
  position:absolute;left:28px;bottom:24px;z-index:2;color:#fff;max-width:560px;
}
.hero-banner .banner-note strong{display:block;font-size:clamp(16px,1.6vw,20px);font-weight:800;margin-bottom:4px;}
.hero-banner .banner-note span{font-size:13.5px;opacity:.88;}

/* ============ 布局 ============ */
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start;padding:56px 0 88px;}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:36px 40px 40px;
}
.article-body{max-width:800px;font-size:16.5px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  font-size:clamp(20px,2vw,26px);margin:1.8em 0 .7em;padding-left:14px;
  border-left:4px solid var(--brand);line-height:1.4;
}
.article-body h3{font-size:19px;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);
}
.article-body ol{counter-reset:ol;}
.article-body ol li{counter-increment:ol;}
.article-body ol li::before{
  content:counter(ol);position:absolute;left:0;top:.16em;
  font-size:13px;font-weight:800;color:var(--brand-deep);
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:#F7FAF8;
  border-left:3px solid var(--brand);border-radius:0 var(--r-img) var(--r-img) 0;
  color:#2C333A;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-1);}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(0,122,85,.28);}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;
  font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{background:#F2F6F3;color:var(--ink);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAFCFA;}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{background:#F1F4F1;border-radius:6px;padding:2px 7px;font-size:14px;color:var(--brand-deep);}

.empty-article{
  background:var(--surface);border:1px dashed #C9D3CB;border-radius:var(--r-card);
  padding:48px 36px;text-align:center;
}
.empty-article h2{font-size:22px;margin-bottom:12px;}
.empty-article p{color:var(--muted);max-width:520px;margin:0 auto 22px;}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:calc(var(--header-h) + 22px);display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px 24px;transition:box-shadow .2s ease,border-color .2s ease;
}
.side-card:hover{box-shadow:var(--sh-2);border-color:rgba(0,195,137,.28);}
.side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand);font-size:15px;}
.side-list{display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text);font-weight:500;
}
.side-list a:last-child{border-bottom:none;}
.side-list a i{color:var(--brand);font-size:12px;margin-top:6px;flex:0 0 auto;}
.side-list a:hover{color:var(--brand-deep);}
.side-cover{border-radius:var(--r-img);overflow:hidden;margin-bottom:14px;aspect-ratio:16/10;background:#DCE3DC;}
.side-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.side-card:hover .side-cover img{transform:scale(1.04);}
.side-cta{
  background:linear-gradient(150deg,#15181B,#22282C);
  border:none;color:#fff;padding:26px 24px;
}
.side-cta h3{color:#fff;}
.side-cta p{color:rgba(244,246,243,.72);font-size:14px;line-height:1.8;margin-bottom:16px;}
.side-cta .btn-cta{width:100%;}
.side-privacy{font-size:12px;color:rgba(244,246,243,.55);line-height:1.65;margin:12px 0 0;}

/* ============ 相关推荐 ============ */
.rel-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:34px;}
.rel-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 .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(0,195,137,.28);}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:#DCE3DC;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body h3 a{color:var(--ink);}
.rel-body h3 a:hover{color:var(--brand-deep);}
.rel-body p{
  font-size:14px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:6px;}
.rel-meta .arrow{color:var(--brand-deep);font-weight:700;}

/* ============ 后续步骤 非对称 ============ */
.next-steps{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.next-steps .ns-text h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:16px;}
.next-steps .ns-text p{color:var(--muted);}
.ns-cards{display:flex;flex-direction:column;gap:18px;}
.ns-card{
  display:flex;gap:18px;align-items:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.ns-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.ns-card .ns-ico{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.ns-card h3{font-size:16px;margin-bottom:5px;}
.ns-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}
.ns-card .arrow-link{
  margin-left:auto;background:none;border:none;color:var(--brand-deep);
  font-weight:700;font-size:13.5px;white-space:nowrap;cursor:pointer;padding:8px 4px;
}
.ns-card .arrow-link:hover{color:var(--brand-dark);}

/* ============ 底部 CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#15181B 0%,#1E2529 60%,#0E2A22 100%);
  border-radius:20px;padding:44px 46px;color:#F4F6F3;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(244,246,243,.72);font-size:14.5px;margin:0;max-width:620px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--brand);color:#fff;}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:14px;}
.back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:26px;}

/* ============ 表单 / 弹层 ============ */
.form-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--sh-2);}
.form-card .modal-header{border-bottom:1px solid var(--line);padding:20px 24px;align-items:flex-start;}
.form-card .modal-header h2{font-size:19px;}
.form-card .modal-header p{font-size:13px;color:var(--muted);margin:6px 0 0;}
.form-card .modal-body{padding:22px 24px 26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:7px;}
.field .form-control,.field .form-select{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;font-size:14.5px;color:var(--text);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field .form-control:focus,.field .form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,195,137,.18);outline:none;
}
.field textarea.form-control{min-height:96px;resize:vertical;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.7;}
.check-line input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand);flex:0 0 16px;}
.form-submit{width:100%;height:48px;margin-top:6px;}
.form-hint{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F4F6F3;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand b{font-size:17px;font-weight:800;color:#fff;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(244,246,243,.68);max-width:360px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:rgba(244,246,243,.72);padding:6px 0;transition:color .18s ease;
}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(244,246,243,.72);padding:6px 0;line-height:1.7;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.arrow-link{
  background:none;border:none;padding:0;color:var(--brand);font-size:14px;
  font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;
}
.arrow-link:hover{color:#5BE3BC;}
.mt-2{margin-top:12px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(244,246,243,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,246,243,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .layout-grid{grid-template-columns:minmax(0,1fr) 310px;gap:40px;}
}
@media (max-width:992px){
  .nav-pill{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-cta{display:none;}
  .section{padding:64px 0;}
  .layout-grid{grid-template-columns:1fr;gap:34px;padding:40px 0 64px;}
  .side-sticky{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .next-steps{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-panel{padding:28px 26px 32px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .container{padding:0 18px;}
  .article-hero{padding-top:30px;}
  .hero-banner{aspect-ratio:16/9;}
  .hero-banner .banner-note{left:18px;right:18px;bottom:16px;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn-cta,.btn-ghost{height:46px;padding:0 22px;}
  .article-body{font-size:16px;}
}
@media (max-width:576px){
  .brand-text{font-size:15.5px;}
  .article-panel{padding:22px 18px 26px;border-radius:14px;}
  .article-body h2{font-size:20px;}
  #contactModal .modal-dialog{position:fixed;left:0;right:0;bottom:0;margin:0;max-width:100%;}
  #contactModal .modal-content{border-radius:18px 18px 0 0;}
  .meta-row{gap:8px 16px;font-size:13px;}
}

/* roulang page: category1 */
:root{
  --primary:#00C389;
  --primary-dark:#00A876;
  --primary-soft:#E6F9F2;
  --primary-deep:#007A55;
  --dark:#15181B;
  --accent:#FF6B35;
  --bg:#F4F6F3;
  --card:#FFFFFF;
  --line:#E2E6E0;
  --text:#1D2328;
  --muted:#5B6570;
  --footer-text:#EDF1EE;
  --r-btn:999px;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh-sm:0 4px 12px rgba(21,24,27,.05);
  --sh-md:0 12px 32px rgba(21,24,27,.08);
  --nav-h:68px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  padding-top:var(--nav-h);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;color:var(--dark);line-height:1.3;margin:0;}
h1{font-size:clamp(30px,4vw,46px);letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,32px);}
h3{font-size:20px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(0,195,137,.35);border-radius:6px;}

.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:var(--nav-h);
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(21,24,27,.04);
}
.header-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--dark);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;letter-spacing:.5px;
}
.brand-text{font-weight:800;font-size:17px;color:var(--dark);letter-spacing:-.2px;white-space:nowrap;}
.nav-pill{display:flex;align-items:center;gap:4px;background:#F7F9F7;border:1px solid var(--line);border-radius:var(--r-btn);padding:5px;}
.nav-pill a{
  display:inline-block;padding:7px 16px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;
}
.nav-pill a:hover{color:var(--primary-deep);background:var(--primary-soft);}
.nav-pill a.active{color:var(--primary-deep);background:#fff;font-weight:700;box-shadow:var(--sh-sm);position:relative;}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--dark);font-size:17px;display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-deep);}

/* 按钮 */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:11px 24px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;min-height:44px;
}
.btn-mk-primary{background:var(--primary);color:#04241A;}
.btn-mk-primary:hover{background:var(--primary-dark);color:#04241A;transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,195,137,.28);}
.btn-mk-ghost{background:#fff;color:var(--dark);border-color:var(--line);}
.btn-mk-ghost:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-mk-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28);}
.btn-mk-light:hover{background:#fff;color:var(--dark);}
.btn-block{width:100%;}

/* ============ 页头 ============ */
.page-head{padding:36px 0 8px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary-deep);}
.crumb .sep{color:#B9C2BC;}
.crumb .current{color:var(--dark);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:13px;font-weight:700;letter-spacing:.4px;
  padding:6px 14px;border-radius:var(--r-btn);margin-bottom:16px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);}
.page-head h1{margin-bottom:16px;}
.page-head .lead{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:24px;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;}
.head-visual{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-md);position:relative;aspect-ratio:16/10;background:var(--dark);
}
.head-visual img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.head-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(0,195,137,.20),rgba(21,24,27,.55));
}
.head-visual .visual-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--dark);
  font-size:13px;font-weight:700;padding:7px 14px;border-radius:var(--r-btn);
}

/* ============ 主体布局 ============ */
.section{padding:64px 0;}
.section-tight{padding:40px 0;}
.layout-row{display:grid;grid-template-columns:264px minmax(0,1fr);gap:48px;align-items:start;}

/* 左侧粘性目录 */
.toc{position:sticky;top:calc(var(--nav-h) + 24px);}
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-sm);
}
.toc-card h4{font-size:14px;color:var(--muted);font-weight:700;letter-spacing:.6px;margin-bottom:14px;}
.toc-card a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--muted);
  border-left:2px solid transparent;font-weight:500;
}
.toc-card a:hover{background:var(--primary-soft);color:var(--primary-deep);border-left-color:var(--primary);}
.toc-note{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* 内容块 */
.block{margin-bottom:56px;scroll-margin-top:calc(var(--nav-h) + 24px);}
.block:last-child{margin-bottom:0;}
.block-title{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.block-title .idx{
  font-size:13px;font-weight:800;color:var(--primary-deep);background:var(--primary-soft);
  border-radius:var(--r-btn);padding:4px 12px;letter-spacing:.5px;
}
.block h2{margin-bottom:0;font-size:clamp(22px,2.2vw,28px);}
.block p{color:#37414A;}
.block .muted{color:var(--muted);font-size:15px;}

.card-mk{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);transition:all .22s ease;height:100%;
}
.card-mk:hover{transform:translateY(-2px);border-color:rgba(0,195,137,.28);box-shadow:var(--sh-md);}
.card-mk h3{font-size:19px;margin-bottom:10px;}
.card-mk p{margin:0;font-size:15px;color:var(--muted);}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}

.point{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-sm);
}
.point .ico{
  flex:0 0 42px;height:42px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary-deep);display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.point h3{font-size:17px;margin-bottom:6px;}
.point p{margin:0;font-size:14.5px;color:var(--muted);}

/* 步骤 */
.steps{display:grid;gap:14px;}
.step{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-sm);
  border-left:3px solid transparent;transition:all .22s ease;
}
.step:hover{border-left-color:var(--primary);box-shadow:var(--sh-md);}
.step .num{
  font-size:34px;font-weight:800;color:var(--primary);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{margin:0;font-size:15px;color:var(--muted);}
.step .tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--primary-deep);
  background:var(--primary-soft);border-radius:var(--r-btn);padding:4px 12px;
}
.tag-warn{color:#B23A11;background:#FFF0EA;}

/* 对照 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-sm);}
.compare-card.ok{border-top:3px solid var(--primary);}
.compare-card.warn{border-top:3px solid var(--accent);}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:16px;}
.compare-card.ok h3 i{color:var(--primary);}
.compare-card.warn h3 i{color:var(--accent);}
.compare-card li{
  display:flex;gap:10px;font-size:15px;color:#37414A;padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.compare-card li:last-child{border-bottom:0;padding-bottom:0;}
.compare-card li i{margin-top:5px;font-size:13px;}
.compare-card.ok li i{color:var(--primary);}
.compare-card.warn li i{color:var(--accent);}

/* 图文小段 */
.figure-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);}
.figure-row img{border-radius:var(--r-img);aspect-ratio:4/3;object-fit:cover;width:100%;}
.figure-row h3{font-size:20px;margin-bottom:12px;}
.figure-row p{font-size:15px;color:var(--muted);margin-bottom:14px;}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:#37414A;padding:6px 0;}
.mini-list li i{color:var(--primary);margin-top:5px;font-size:12px;}

/* FAQ */
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 26px;box-shadow:var(--sh-sm);}
.faq-wrap .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-button{
  background:transparent;box-shadow:none;font-size:17px;font-weight:700;color:var(--dark);
  padding:22px 0;line-height:1.5;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--primary-deep);background:transparent;}
.faq-wrap .accordion-button::after{
  background:transparent;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);transform:none;transition:transform .2s ease;
  width:auto;height:auto;display:inline-flex;align-items:center;justify-content:center;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-wrap .accordion-body{padding:0 0 22px;font-size:15.5px;color:var(--muted);}

/* CTA 区 */
.cta-band{
  background:var(--dark);border-radius:24px;padding:52px 44px;position:relative;overflow:hidden;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,195,137,.35),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--primary);opacity:.6;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:620px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.privacy-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:18px;position:relative;z-index:2;max-width:760px;}

/* 表单 */
.form-label{font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:6px;}
.form-control,.form-select{
  border-radius:var(--r-input);border:1px solid var(--line);padding:11px 14px;font-size:15px;
  background:#fff;color:var(--text);min-height:44px;
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,195,137,.18);
}
.form-check-input{width:18px;height:18px;margin-top:2px;border-color:#C9D2CB;}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(0,195,137,.25);border-color:var(--primary);}
.form-check-label{font-size:13px;color:var(--muted);line-height:1.6;}
.modal-content{border:0;border-radius:20px;box-shadow:0 24px 60px rgba(21,24,27,.24);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px;}
.modal-title{font-size:19px;font-weight:800;}
.modal-body{padding:24px 26px;}
.modal-footer{border-top:1px solid var(--line);padding:18px 26px;}

/* 移动端 offcanvas */
.offcanvas{width:320px;}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas .nav-mobile a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.offcanvas .nav-mobile a.active{color:var(--primary-deep);}
.offcanvas .nav-mobile a i{font-size:12px;color:#B9C2BC;}
.offcanvas-contact{margin-top:22px;font-size:13.5px;color:var(--muted);line-height:1.9;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--footer-text);padding:64px 0 0;margin-top:88px;}
.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;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800;}
.footer-about{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;margin:0;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;line-height:1.7;}
.footer-contact li i{color:var(--primary);margin-top:5px;font-size:13px;}
.arrow-link{
  background:none;border:0;padding:0;color:var(--footer-text);font-size:14px;
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:all .2s ease;
}
.arrow-link:hover{color:var(--primary);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .layout-row{grid-template-columns:224px minmax(0,1fr);gap:32px;}
}
@media (max-width:991.98px){
  :root{--section-gap:64px;}
  .layout-row{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;}
  .toc-card{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:16px;}
  .toc-card h4{width:100%;margin-bottom:6px;}
  .toc-card a{border:1px solid var(--line);border-left:1px solid var(--line);border-radius:var(--r-btn);font-size:13.5px;padding:7px 14px;}
  .toc-card a:hover{border-color:var(--primary);}
  .toc-note{display:none;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .figure-row{grid-template-columns:1fr;gap:22px;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .section{padding:56px 0;}
}
@media (max-width:767.98px){
  .grid-2,.grid-3,.compare{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:10px;padding:22px;}
  .step .num{font-size:26px;}
  .page-head{padding-top:24px;}
  .head-actions .btn-mk{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .faq-wrap{padding:8px 18px;}
  .faq-wrap .accordion-button{font-size:16px;padding:18px 0;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .brand-text{font-size:15px;}
  .block{margin-bottom:44px;}
  .card-mk,.compare-card,.figure-row{padding:20px;}
  .cta-band{padding:32px 20px;border-radius:18px;}
}

/* roulang page: category2 */
:root{
  --primary:#00C389;
  --primary-dark:#00A876;
  --primary-soft:#E6F9F2;
  --primary-deep:#007A55;
  --ink:#15181B;
  --orange:#FF6B35;
  --bg:#F4F6F3;
  --surface:#FFFFFF;
  --line:#E2E6E0;
  --text:#1D2328;
  --muted:#5B6570;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 4px 12px rgba(21,24,27,.05);
  --sh-2:0 12px 32px rgba(21,24,27,.08);
  --bs-primary:#00C389;
  --bs-primary-rgb:0,195,137;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
}

*,*::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","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--primary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.28;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(0,195,137,.35);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{font-weight:700;border-radius:var(--r-pill);padding:12px 26px;font-size:15px;border:1px solid transparent;transition:all .22s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.2;}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,195,137,.28);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-deep);background:#fff;transform:translateY(-2px);}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-block{width:100%;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(21,24,27,.02);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(21,24,27,.07);}
.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:.2px;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--primary),#00A876);
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{white-space:nowrap;}

.nav-pill{display:flex;align-items:center;gap:6px;}
.nav-pill a{
  position:relative;display:inline-block;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--muted);
  transition:all .2s ease;
}
.nav-pill a:hover{color:var(--ink);background:#F1F4F0;}
.nav-pill a.active{color:var(--primary-deep);background:var(--primary-soft);}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-deep);}

/* offcanvas 移动导航 */
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
.mobile-nav{display:flex;flex-direction:column;gap:6px;padding:18px 20px;}
.mobile-nav a{
  display:block;padding:14px 16px;border-radius:12px;
  font-weight:600;color:var(--ink);border:1px solid var(--line);background:#fff;
}
.mobile-nav a.active{background:var(--primary-soft);border-color:rgba(0,195,137,.35);color:var(--primary-deep);}
.mobile-nav a:hover{border-color:var(--primary);color:var(--primary-deep);}
.mobile-contact{padding:6px 20px 26px;font-size:14px;color:var(--muted);}

/* ============ 通用区块 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--primary-deep);background:var(--primary-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.sec-title{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.sec-sub{color:var(--muted);font-size:16px;}

/* ============ 面包屑 ============ */
.crumb{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:26px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary-deep);}
.crumb .sep{color:#B9C0BA;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ============ 分类页头（居中） ============ */
.page-hero{padding-bottom:8px;position:relative;}
.hero-center{max-width:820px;margin:0 auto;text-align:center;padding:34px 0 40px;}
.hero-center h1{font-size:clamp(30px,4vw,46px);margin-bottom:18px;}
.hero-center .lede{font-size:17px;color:var(--muted);margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px;
}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:var(--sh-1);
}
.fact-chip i{color:var(--primary);}
.hero-banner{margin-top:14px;border-radius:var(--r-card);overflow:hidden;position:relative;box-shadow:var(--sh-1);}
.hero-banner img{width:100%;height:340px;object-fit:cover;}
.hero-banner .banner-note{
  position:absolute;left:24px;bottom:20px;
  background:rgba(21,24,27,.72);color:#F4F6F3;
  padding:10px 18px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
  backdrop-filter:blur(2px);
}

/* ============ 状态对照卡 ============ */
.state-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.state-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:all .22s ease;
  display:flex;gap:18px;align-items:flex-start;
}
.state-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(0,195,137,.35);}
.state-icon{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.state-card h3{font-size:19px;margin-bottom:8px;}
.state-card p{color:var(--muted);font-size:15px;}
.state-tag{
  display:inline-block;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--r-pill);margin-bottom:10px;
}
.tag-ok{background:var(--primary-soft);color:var(--primary-deep);}
.tag-warn{background:#FFF1EA;color:#C1441A;}
.tag-info{background:#EEF2F8;color:#3A4A63;}

/* ============ 交错图文 ============ */
.zigzag{display:flex;flex-direction:column;gap:56px;}
.zz-row{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.zz-row.reverse .zz-media{order:2;}
.zz-row.reverse .zz-body{order:1;}
.zz-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);background:var(--primary-soft);}
.zz-media img{width:100%;height:320px;object-fit:cover;}
.zz-body h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px;}
.zz-body p{color:var(--muted);margin-bottom:16px;}
.zz-list li{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px;font-size:15px;color:var(--text);}
.zz-list i{color:var(--primary);margin-top:5px;font-size:13px;}

/* ============ 时间轴 ============ */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:38px 34px;box-shadow:var(--sh-1);}
.timeline{position:relative;display:flex;flex-direction:column;gap:26px;}
.timeline::before{
  content:"";position:absolute;left:21px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(0,195,137,.15));
}
.tl-item{display:flex;gap:20px;position:relative;}
.tl-num{
  width:44px;height:44px;flex:0 0 44px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;z-index:1;
}
.tl-body h4{font-size:18px;margin-bottom:6px;}
.tl-body p{color:var(--muted);font-size:15px;}

/* ============ 变动类型卡片 ============ */
.record-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.record-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .22s ease;display:flex;flex-direction:column;
}
.record-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(0,195,137,.35);}
.record-cover{width:100%;height:180px;object-fit:cover;background:var(--primary-soft);}
.record-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.record-body h3{font-size:18px;}
.record-body p{color:var(--muted);font-size:15px;}
.arrow-link{
  background:none;border:none;padding:0;color:var(--primary-deep);
  font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:8px;
  transition:gap .2s ease,color .2s ease;text-align:left;
}
.arrow-link:hover{color:var(--primary);gap:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--line);
}
.accordion-button{
  background:transparent;box-shadow:none;padding:22px 44px 22px 0;
  font-size:17px;font-weight:700;color:var(--ink);position:relative;
}
.accordion-button:not(.collapsed){color:var(--primary-deep);}
.accordion-button:focus{box-shadow:none;border:none;}
.accordion-button::after{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  background:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--primary-deep);
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg);}
.accordion-body{padding:0 44px 24px 0;color:var(--muted);font-size:15.5px;}

/* ============ CTA + 表单 ============ */
.cta-section{padding-bottom:104px;}
.cta-panel{
  background:var(--ink);border-radius:22px;overflow:hidden;
  border-top:1px solid var(--primary);border-bottom:1px solid var(--primary);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.cta-copy{padding:52px 46px;color:#E9EDE9;}
.cta-copy .eyebrow{background:rgba(0,195,137,.16);color:#7BEBC8;}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:16px;}
.cta-copy p{color:#B7C0B9;margin-bottom:22px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:#DDE3DD;font-size:15px;margin-bottom:10px;}
.cta-points i{color:var(--primary);margin-top:5px;font-size:13px;}
.form-card{background:#fff;padding:44px 40px;}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-intro{color:var(--muted);font-size:14.5px;margin-bottom:22px;}
.form-label{font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-control,.form-select{
  border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 14px;font-size:15px;background:#fff;color:var(--text);
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,195,137,.35);
}
.form-control::placeholder{color:#9AA39C;}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(0,195,137,.35);border-color:var(--primary);}
.form-check-label{font-size:14px;color:var(--muted);}
.privacy-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#DDE3DD;padding:78px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:#fff;font-size:17px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;}
.footer-about{color:#A7B0A9;font-size:14.5px;line-height:1.8;max-width:340px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col a{display:block;color:#C7CFC7;font-size:14.5px;padding:6px 0;transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#A7B0A9;font-size:14px;margin-bottom:12px;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:#8C948D;font-size:13px;
}
.site-footer .arrow-link{color:#C7CFC7;font-size:14.5px;}
.site-footer .arrow-link:hover{color:var(--primary);}

/* ============ 弹层 ============ */
.modal-content{border:none;border-radius:18px;box-shadow:var(--sh-2);}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px;}
.modal-title{font-size:18px;font-weight:800;}
.modal-body{padding:24px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 24px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .hero-banner img{height:280px;}
  .state-grid{grid-template-columns:1fr;}
  .zz-row{grid-template-columns:1fr;gap:26px;}
  .zz-row.reverse .zz-media{order:1;}
  .zz-row.reverse .zz-body{order:2;}
  .zz-media img{height:260px;}
  .record-grid{grid-template-columns:1fr;gap:18px;}
  .cta-grid{grid-template-columns:1fr;}
  .cta-copy{padding:40px 30px;}
  .form-card{padding:36px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .container{padding:0 18px;}
  .hero-center{padding:24px 0 30px;}
  .hero-banner img{height:210px;}
  .hero-banner .banner-note{left:14px;bottom:14px;font-size:12px;padding:8px 14px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;min-height:44px;}
  .state-card{padding:22px;flex-direction:column;gap:14px;}
  .timeline-wrap{padding:26px 20px;}
  .accordion-button{font-size:16px;padding:18px 38px 18px 0;}
  .accordion-body{padding:0 38px 20px 0;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;font-size:12.5px;}
  .form-card{padding:28px 20px;}
  .cta-copy{padding:32px 22px;}
}

/* roulang page: category3 */
:root{
  --brand:#00C389;
  --brand-dark:#00A876;
  --brand-soft:#E6F9F2;
  --brand-deep:#007A55;
  --ink:#15181B;
  --page:#F4F6F3;
  --surface:#FFFFFF;
  --line:#E2E6E0;
  --text:#1D2328;
  --muted:#5B6570;
  --orange:#FF6B35;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 4px 12px rgba(21,24,27,.05);
  --sh-2:0 12px 32px rgba(21,24,27,.08);
  --section-y:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand-deep)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:16px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.25}
p{margin:0}
:focus-visible{outline:3px solid rgba(0,195,137,.35);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:var(--section-y) 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:#EDEFEC}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(21,24,27,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,#00A876 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(0,195,137,.28);
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:var(--page);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:5px;margin:0 auto;
}
.nav-pill a{
  display:block;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--muted);font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-pill a:hover{color:var(--brand-deep);background:#fff}
.nav-pill a.active{
  background:#fff;color:var(--brand-deep);font-weight:700;
  box-shadow:0 2px 8px rgba(21,24,27,.07);
  border-bottom:2px solid var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  padding:12px 24px;font-size:15px;font-weight:700;line-height:1.2;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  min-height:44px;
}
.btn-primary{background:var(--brand);color:#04241A;box-shadow:0 6px 16px rgba(0,195,137,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#04241A;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,168,118,.28)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#22272B;color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- page head ---------- */
.page-head{padding:56px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,var(--page) 100%)}
.crumb{font-size:14px;color:var(--muted);margin-bottom:16px;display:flex;gap:8px;align-items:center}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#B7BFBA}
.crumb .current{color:var(--ink);font-weight:600}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-deep);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:700;
  margin-bottom:16px;
}
.page-head h1{font-size:clamp(30px,4vw,46px);letter-spacing:-.5px;margin-bottom:18px}
.lead-text{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:26px}
.head-figure{
  margin:0;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff;
}
.head-figure img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}

/* ---------- section titles ---------- */
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3vw,34px);margin-bottom:14px;letter-spacing:-.3px}
.sec-head p{color:var(--muted);font-size:16.5px}
.sec-label{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.4px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;
}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(0,195,137,.12) 100%);
}
.tl-item{position:relative;padding-left:74px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:var(--brand-deep);font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:19px;margin-bottom:10px}
.tl-item p{color:var(--muted);font-size:15.5px}
.tl-points{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.tl-points li{
  background:var(--page);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 13px;font-size:13px;color:var(--muted);
}

/* ---------- form card ---------- */
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:21px;margin-bottom:8px}
.form-card .form-note{font-size:14px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field .req{color:var(--orange)}
.form-control,.form-select{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 14px;font-size:15px;color:var(--text);min-height:44px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{min-height:104px;resize:vertical}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(0,195,137,.22);
}
.form-control::placeholder{color:#9AA4A0}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex-shrink:0}
.check-row label{font-size:13px;color:var(--muted);line-height:1.65}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:12px}
.err-text{font-size:12.5px;color:var(--orange);margin-top:6px;display:none}
.field.has-error .form-control,.field.has-error .form-select{border-color:var(--orange)}
.field.has-error .err-text{display:block}
.sticky-side{position:sticky;top:96px}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.check-card{
  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 .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(0,195,137,.4)}
.check-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.check-card h3{font-size:17.5px;margin-bottom:8px}
.check-card p{font-size:15px;color:var(--muted)}

/* ---------- compare ---------- */
.compare-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.figure-frame{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);background:var(--brand-soft);
}
.figure-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.compare-list{display:grid;gap:14px;margin-top:22px}
.compare-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:12px;padding:16px 18px;box-shadow:var(--sh-1);
}
.compare-item.warn{border-left-color:var(--orange)}
.compare-item h4{font-size:15.5px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.compare-item p{font-size:14.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-button{
  background:transparent;border:0;box-shadow:none;padding:22px 46px 22px 0;
  font-size:17px;font-weight:700;color:var(--ink);
}
.accordion-button:not(.collapsed){color:var(--brand-deep);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand-deep);width:auto;height:auto;
  transition:transform .2s ease;margin-left:auto;position:absolute;right:8px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{padding:0 40px 24px 0;color:var(--muted);font-size:15.5px}

/* ---------- cta ---------- */
.cta-band{
  background:var(--ink);color:#EDEFEC;border-radius:20px;
  padding:56px 48px;position:relative;overflow:hidden;
  border-top:1px solid rgba(0,195,137,.5);border-bottom:1px solid rgba(0,195,137,.5);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(0,195,137,.28) 0%,rgba(0,195,137,0) 68%);
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.cta-band p{color:#B9C1BC;max-width:640px;font-size:16px}
.cta-band .btn-row{margin-top:26px;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C8D0CB;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.footer-about{font-size:14.5px;line-height:1.85;color:#98A29C;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col button.arrow-link{
  display:block;color:#C8D0CB;font-size:14.5px;margin-bottom:11px;
  background:none;border:0;padding:0;text-align:left;cursor:pointer;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover,.footer-col button.arrow-link:hover{color:var(--brand);transform:translateX(3px)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:#98A29C;margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);margin-top:52px;padding:22px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#8D9691;
}

/* ---------- offcanvas ---------- */
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.offcanvas-title{font-weight:800;font-size:16px;color:var(--ink)}
.offcanvas-body{padding:20px 22px 32px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--ink);font-weight:600;
}
.drawer-nav a.active{color:var(--brand-deep)}
.drawer-nav a i{font-size:12px;color:#B7BFBA}
.drawer-contact{margin-top:26px;font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- modal ---------- */
.modal-content{border:0;border-radius:18px;box-shadow:0 24px 60px rgba(21,24,27,.18)}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px}
.modal-title{font-size:18px;font-weight:800}
.modal-body{padding:24px}
.modal-footer{border-top:0;padding:0 24px 24px}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--section-y:80px}
  .nav-pill a{padding:8px 12px;font-size:14px}
}
@media (max-width:991.98px){
  :root{--section-y:72px}
  .nav-pill{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .compare-wrap{grid-template-columns:1fr;gap:28px}
  .check-grid{grid-template-columns:1fr}
  .sticky-side{position:static}
}
@media (max-width:767.98px){
  :root{--section-y:52px}
  .container{padding-left:18px;padding-right:18px}
  .page-head{padding:36px 0 48px}
  .lead-text{font-size:16px}
  .tl-item{padding-left:62px}
  .tl-num{width:42px;height:42px;border-radius:12px;font-size:14px}
  .timeline::before{left:20px}
  .cta-band{padding:36px 24px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .btn-row .btn{width:100%}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .form-card{padding:22px 18px}
  .tl-item{padding-left:56px}
  .tl-num{width:38px;height:38px;font-size:13px}
  .timeline::before{left:18px}
}