/* roulang page: index */
/* ============ 变量层 ============ */
:root{
  --c-primary:#103C33;
  --c-primary-deep:#0A2A24;
  --c-accent:#E07A2F;
  --c-accent-hover:#C96A22;
  --c-accent-soft:#FBE3CB;
  --c-secondary:#2C6E63;
  --c-danger:#C0503A;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#ECE8DD;
  --c-border:#DCD6C8;
  --c-text:#1B211E;
  --c-text-mute:#5C6660;
  --container:1200px;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,40,34,.06);
  --sh-2:0 14px 34px -14px rgba(16,40,34,.20);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Inter","Helvetica Neue",system-ui,sans-serif;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-secondary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .2s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--c-text);letter-spacing:-.01em;text-wrap:pretty;}
h1{font-size:clamp(30px,4.2vw,48px);letter-spacing:-.02em;}
h2{font-size:clamp(23px,2.6vw,34px);}
h3{font-size:20px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1.1em;text-wrap:pretty;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* 覆盖 Foundation 默认味道 */
.grid-x{margin-left:0;margin-right:0;}
.grid-x.grid-margin-x{margin-left:-15px;margin-right:-15px;}
.grid-x.grid-margin-x > .cell{padding-left:15px;padding-right:15px;}
.accordion,.reveal,.button{font-family:var(--font-cn);}
.accordion-title{background:transparent;}
/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:rgba(16,60,51,.07);color:var(--c-primary);transform:translateY(-2px);}
.btn-pill{border-radius:999px;}
.btn-sm{padding:10px 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-secondary);
  text-decoration:none;
}
.link-arrow .arrow{transition:transform .2s ease;}
.link-arrow:hover .arrow{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:6px;
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--c-accent-soft);color:#8A4A15;
}
.badge-green{background:rgba(44,110,99,.12);color:#1F544A;}
.badge-plain{background:var(--c-surface-alt);color:var(--c-text-mute);}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--c-secondary);
  text-transform:none;
}
.section{padding:clamp(56px,7vw,108px) 0;}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--c-text-mute);font-size:16px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:none;}
.section-head-row h2{margin-bottom:14px;}
.divider{height:1px;background:var(--c-border);border:0;margin:0;}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:68px;gap:32px;
}
.nav-left{display:flex;align-items:center;gap:26px;}
.nav-right{display:flex;align-items:center;gap:26px;justify-content:flex-end;}
.nav-left a,.nav-right a.nav-link{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--c-text);
  text-decoration:none;padding:6px 0;
  transition:color .2s ease;
}
.nav-left a::after,.nav-right a.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-left a:hover,.nav-right a.nav-link:hover{color:var(--c-primary);}
.nav-left a:hover::after,.nav-right a.nav-link:hover::after{transform:scaleX(1);}
.nav-left a.is-active,.nav-right a.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-left a.is-active::after,.nav-right a.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-decoration:none;padding:0 32px;white-space:nowrap;
}
.brand-main{
  font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.02em;line-height:1.2;
}
.brand-sub{
  font-family:var(--font-num);font-size:10.5px;letter-spacing:.16em;
  color:var(--c-text-mute);text-transform:lowercase;line-height:1.4;
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;
  color:var(--c-primary);font-size:18px;
  border:1px solid var(--c-border);background:var(--c-surface);
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-border);
  background:var(--c-surface);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;
  padding:0 24px;font-size:15px;color:var(--c-text);
  text-decoration:none;border-bottom:1px solid var(--c-border);
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;background:rgba(16,60,51,.05);}
.mobile-panel .mobile-cta{padding:16px 24px;}
.mobile-panel .mobile-cta .btn{width:100%;}
/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(56px,7vw,96px) 0 clamp(56px,7vw,88px);
  background-color:var(--c-primary-deep);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(10,42,36,.92),rgba(10,42,36,.86) 45%,rgba(10,42,36,.95)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px);
  opacity:.5;
}
.hero .container{position:relative;z-index:2;}
.hero h1{color:#fff;margin-bottom:18px;}
.hero-sub{
  font-size:17px;color:rgba(255,255,255,.82);max-width:600px;margin-bottom:30px;
}
.hero .eyebrow{color:var(--c-accent-soft);margin-bottom:16px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:14px 28px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.16);
}
.trust-row li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:rgba(255,255,255,.78);
}
.trust-row i{color:var(--c-accent);font-size:14px;}
/* 通行演示意卡 */
.pass-card{
  background:rgba(255,255,255,.97);
  border-radius:16px;padding:22px;
  box-shadow:0 22px 48px -20px rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.4);
}
.pass-head{display:flex;align-items:center;gap:8px;padding-bottom:16px;border-bottom:1px dashed var(--c-border);}
.pass-dot{width:9px;height:9px;border-radius:50%;background:var(--c-border);}
.pass-head .pass-dot:first-child{background:var(--c-accent);}
.pass-label{margin-left:auto;font-size:12px;letter-spacing:.1em;color:var(--c-text-mute);}
.pass-body{display:flex;align-items:center;gap:22px;padding:26px 0 20px;}
.keyhole{
  position:relative;width:76px;height:76px;flex:0 0 76px;
  border-radius:50%;background:rgba(16,60,51,.08);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.keyhole-circle{width:20px;height:20px;border-radius:50%;background:var(--c-primary);}
.keyhole-stem{width:9px;height:26px;background:var(--c-primary);border-radius:0 0 3px 3px;}
.pass-lines{flex:1;display:flex;flex-direction:column;gap:12px;}
.pass-lines .line{height:9px;border-radius:5px;background:var(--c-surface-alt);display:block;}
.line.w-90{width:90%;}
.line.w-70{width:70%;}
.line.w-50{width:50%;}
.pass-chips{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:18px;}
.pass-chips span{
  font-size:12.5px;font-weight:600;color:var(--c-primary);
  background:rgba(16,60,51,.08);border-radius:6px;padding:4px 10px;
}
.pass-foot{
  font-size:12px;color:var(--c-text-mute);
  border-top:1px solid var(--c-border);padding-top:14px;
}
/* ============ 痛点提问带 ============ */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px;align-items:start;}
.pain-col.pain-col-down{margin-top:34px;}
.pain-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  margin-bottom:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(16,60,51,.3);}
.pain-num{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--c-accent);margin-bottom:10px;
}
.pain-item h3{font-size:18px;margin-bottom:8px;}
.pain-item p{font-size:14.5px;color:var(--c-text-mute);margin:0;}
/* ============ 方案卡 ============ */
.sol-main{
  background:var(--c-surface);
  border:1.5px solid rgba(16,60,51,.42);
  border-radius:var(--r-card);
  padding:24px;height:100%;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.sol-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.sol-main img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  margin-bottom:22px;background:linear-gradient(140deg,var(--c-primary),var(--c-secondary));
}
.sol-main h3{font-size:22px;margin:12px 0 10px;}
.sol-main p{color:var(--c-text-mute);font-size:15px;}
.point-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.point-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--c-text);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:10px;height:2px;background:var(--c-accent);
}
.sol-side{display:flex;flex-direction:column;gap:28px;height:100%;}
.sol-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px;flex:1;
  box-shadow:var(--sh-1);
  display:flex;gap:20px;align-items:flex-start;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.sol-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(16,60,51,.3);}
.sol-card img{
  width:104px;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-img);flex:0 0 104px;
  background:linear-gradient(140deg,var(--c-secondary),var(--c-primary));
}
.sol-card h3{font-size:18.5px;margin:10px 0 8px;}
.sol-card p{font-size:14.5px;color:var(--c-text-mute);margin-bottom:12px;}
/* ============ 数据带 ============ */
.stats{
  background:var(--c-surface-alt);
  background-image:
    repeating-linear-gradient(0deg,rgba(16,60,51,.045) 0 1px,transparent 1px 44px),
    repeating-linear-gradient(90deg,rgba(16,60,51,.045) 0 1px,transparent 1px 44px);
}
.stat-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;}
.stat-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);
}
.stat-item:first-child{background:var(--c-primary);border-color:var(--c-primary);}
.stat-item:first-child .stat-desc{color:rgba(255,255,255,.78);}
.stat-num{
  font-family:var(--font-num);font-size:clamp(32px,3.4vw,40px);
  font-weight:700;line-height:1.1;color:var(--c-primary);
  display:flex;align-items:baseline;gap:6px;
}
.stat-item:first-child .stat-num{color:#fff;}
.stat-num small{font-size:15px;font-weight:600;color:var(--c-accent);}
.stat-item:first-child .stat-num small{color:var(--c-accent-soft);}
.stat-desc{font-size:14px;color:var(--c-text-mute);margin-top:10px;}
/* ============ 最新信息 ============ */
.news-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;height:100%;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(16,60,51,.3);}
.news-thumb{display:block;overflow:hidden;border-radius:0;}
.news-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  background:linear-gradient(140deg,var(--c-primary),var(--c-secondary));
  transition:transform .35s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-body .badge{align-self:flex-start;margin-bottom:12px;}
.news-body h3{font-size:18px;margin-bottom:10px;}
.news-body h3 a{color:var(--c-text);text-decoration:none;}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body p{
  font-size:14px;color:var(--c-text-mute);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--c-border);
}
.meta-time{font-size:13px;color:var(--c-text-mute);font-family:var(--font-num);}
.news-empty{
  background:var(--c-surface);border:1px dashed var(--c-border);
  border-radius:var(--r-card);padding:48px 24px;text-align:center;
}
.news-empty i{font-size:26px;color:var(--c-secondary);margin-bottom:12px;display:block;}
.news-empty p{color:var(--c-text-mute);margin-bottom:18px;}
/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:32px;}
.faq-list{margin:0;border-top:1px solid var(--c-border);}
.faq-list .accordion-item{border-bottom:1px solid var(--c-border);}
.faq-list .accordion-title{
  position:relative;
  display:block;padding:18px 40px 18px 0;
  font-size:17px;font-weight:600;color:var(--c-text);
  text-decoration:none;background:transparent;border:0;
}
.faq-list .accordion-title:hover{color:var(--c-primary);}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-secondary);line-height:1;
}
.faq-list .is-active > .accordion-title{color:var(--c-primary);}
.faq-list .is-active > .accordion-title::before{content:"–";color:var(--c-accent);}
.faq-list .accordion-content{padding:0 40px 20px 0;background:transparent;border:0;}
.faq-list .accordion-content p{font-size:15px;line-height:1.8;color:var(--c-text-mute);}
/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-color:var(--c-primary);
  padding:clamp(48px,6vw,84px) 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,42,36,.94),rgba(10,42,36,.72)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;max-width:620px;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.8);max-width:620px;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.privacy-line{
  position:relative;z-index:2;
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);
  font-size:13.5px;color:rgba(255,255,255,.7);
}
.privacy-line a{color:var(--c-accent-soft);}
/* ============ 弹层 ============ */
.reveal.lead-modal{
  border-radius:16px;padding:32px;border:1px solid var(--c-border);
  box-shadow:0 30px 70px -24px rgba(0,0,0,.5);
  width:min(560px,92vw);
}
.lead-modal h2{font-size:20px;margin-bottom:8px;}
.lead-modal .modal-sub{font-size:14px;color:var(--c-text-mute);margin-bottom:22px;}
.lead-modal label{display:block;font-size:13px;color:var(--c-text-mute);margin-bottom:6px;font-weight:600;}
.lead-modal .field{margin-bottom:16px;}
.lead-modal input[type="text"],
.lead-modal input[type="tel"],
.lead-modal select,
.lead-modal textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-border);border-radius:var(--r-input);
  background:var(--c-surface);color:var(--c-text);font-size:15px;font-family:var(--font-cn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.lead-modal textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.lead-modal select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-text-mute) 50%),linear-gradient(135deg,var(--c-text-mute) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.lead-modal input:focus,.lead-modal select:focus,.lead-modal textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(16,60,51,.12);outline:none;
}
.lead-modal .check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 20px;}
.lead-modal .check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary);}
.lead-modal .check-row span{font-size:13.5px;color:var(--c-text-mute);line-height:1.6;}
.lead-modal .submit-row{display:flex;justify-content:flex-end;gap:12px;}
.lead-modal .submit-row .btn{width:100%;}
.modal-privacy{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--c-border);
  font-size:12.5px;color:var(--c-text-mute);
}
.reveal .close-button{
  position:absolute;top:10px;right:10px;
  width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-text-mute);font-size:20px;line-height:1;
}
.reveal .close-button:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.form-tip{font-size:13.5px;color:var(--c-secondary);margin-top:14px;display:none;}
.form-tip.is-visible{display:block;}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:#EDE9DF;padding:clamp(48px,6vw,76px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col p{font-size:14px;color:rgba(237,233,223,.72);line-height:1.75;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(237,233,223,.72);}
.footer-col a{color:rgba(237,233,223,.78);text-decoration:none;font-size:14px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:52px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,233,223,.6);
}
.footer-bottom a{color:rgba(237,233,223,.72);text-decoration:none;}
.footer-bottom a:hover{color:var(--c-accent);}
/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .header-inner{height:64px;gap:18px;}
  .nav-left,.nav-right{display:none;}
  .header-inner{grid-template-columns:auto 1fr auto;}
  .nav-toggle{display:flex;}
  .brand{padding:0 12px;align-items:flex-start;}
  .header-inner .brand{justify-self:start;}
  .header-cta-desktop{display:none;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero{padding-top:48px;}
}
@media screen and (max-width:900px){
  .pain-grid{grid-template-columns:1fr;}
  .pain-col.pain-col-down{margin-top:0;}
  .pain-item{margin-bottom:20px;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .faq-list{margin-bottom:8px;}
  .faq-list:last-child{margin-bottom:0;}
}
@media screen and (max-width:600px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .grid-x.grid-margin-x{margin-left:-10px;margin-right:-10px;}
  .grid-x.grid-margin-x > .cell{padding-left:10px;padding-right:10px;}
  h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:10px 20px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{padding:22px 18px;}
  .sol-card{flex-direction:column;gap:14px;}
  .sol-card img{width:100%;flex:none;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .reveal.lead-modal{padding:24px;width:100vw;border-radius:16px;}
  .section-head{margin-bottom:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
/* ================= 变量层 ================= */
:root{
  --c-primary:#103C33;
  --c-primary-deep:#0A2A24;
  --c-accent:#E07A2F;
  --c-accent-soft:#FBE3CB;
  --c-secondary:#2C6E63;
  --c-danger:#C0503A;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#ECE8DD;
  --c-border:#DCD6C8;
  --c-text:#1B211E;
  --c-text-mute:#5C6660;
  --container:1200px;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 14px 34px -14px rgba(16,40,34,.20);
  --t:200ms ease;
}

/* ================= reset / base ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB","Inter","Helvetica Neue",system-ui,sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-secondary);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-0.01em;text-wrap:pretty}
p{margin:0 0 1.1em;text-wrap:pretty}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-accent-soft);color:var(--c-primary-deep)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:clamp(56px,7vw,108px) 0}
.section-alt{background:var(--c-surface-alt)}
.section-title{font-size:clamp(23px,2.6vw,34px);margin-bottom:14px}
.section-head{margin-bottom:36px;max-width:760px}
.section-head p{color:var(--c-text-mute);margin:0}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--c-secondary);margin-bottom:12px}
.divider{height:1px;background:var(--c-border);border:0;margin:0}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-weight:600;font-size:15.5px;line-height:1.2;
  border:1.5px solid transparent;transition:all var(--t);
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-accent:hover{background:#c96822;color:#fff;box-shadow:var(--shadow-2)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(16,60,51,.07);color:var(--c-primary)}
.btn-light{background:#fff;color:var(--c-primary);border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:var(--c-accent-soft);color:var(--c-primary-deep);border-color:var(--c-accent-soft)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--c-primary)}
.link-arrow i{transition:transform var(--t);font-size:12px}
.link-arrow:hover{text-decoration:none;color:var(--c-accent)}
.link-arrow:hover i{transform:translateX(3px)}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:7px 11px;border-radius:6px;
  background:var(--c-accent-soft);color:#8A4712;
}
.badge-green{background:rgba(44,110,99,.12);color:#1E5349}
.badge-outline{background:transparent;border:1px solid var(--c-border);color:var(--c-text-mute)}
.tag{
  display:inline-block;font-size:13px;padding:6px 12px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-border);color:var(--c-text-mute);
  transition:all var(--t);
}
.tag:hover{border-color:rgba(16,60,51,.35);color:var(--c-primary);text-decoration:none}

/* ================= 导航 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:68px;gap:24px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px}
.nav-left{justify-self:start}
.nav-right{justify-self:end}
.nav-left a,.nav-link{
  font-size:14.5px;font-weight:500;color:var(--c-text);
  padding:6px 0;position:relative;transition:color var(--t);
}
.nav-left a:hover,.nav-link:hover{color:var(--c-primary);text-decoration:none}
.nav-left a.is-active,.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-left a.is-active::after,.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--c-primary);border-radius:2px;
}
.brand{justify-self:center;text-align:center;display:flex;flex-direction:column;line-height:1.15;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-main{font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:.02em}
.brand-sub{font-size:11.5px;letter-spacing:.16em;color:var(--c-text-mute);margin-top:3px}
.nav-toggle{
  display:none;justify-self:end;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-primary);font-size:17px;
}
.mobile-panel{
  display:none;border-top:1px solid var(--c-border);background:var(--c-surface);
}
.mobile-panel a{
  display:block;padding:0 24px;line-height:48px;height:48px;font-size:15px;
  color:var(--c-text);border-bottom:1px solid var(--c-border);
}
.mobile-panel a:hover{background:var(--c-surface-alt);text-decoration:none}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--c-primary)}
.mobile-panel .mobile-cta{padding:16px 24px}
.mobile-panel.is-open{display:block}

/* ================= 内页横幅 / 面包屑 ================= */
.page-banner{
  position:relative;padding:26px 0;
  background-image:linear-gradient(100deg,rgba(10,42,36,.92),rgba(16,60,51,.78)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#F3F1EA;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:44px 44px;
}
.breadcrumb{position:relative;z-index:1;font-size:13.5px;color:rgba(243,241,234,.78);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{color:rgba(243,241,234,.92)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600}

/* ================= 文章头部 ================= */
.article-head{padding:clamp(36px,5vw,60px) 0 0}
.article-head .badge{margin-bottom:16px}
.article-head h1{font-size:clamp(28px,4vw,44px);font-weight:700;letter-spacing:-0.02em;margin-bottom:16px;max-width:900px}
.article-lead{font-size:16.5px;color:var(--c-text-mute);max-width:820px;margin-bottom:22px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:14px;color:var(--c-text-mute);
  padding-bottom:26px;border-bottom:1px solid var(--c-border);
}
.article-meta i{color:var(--c-secondary);margin-right:6px;font-size:13px}
.article-meta .dot{width:1px;height:14px;background:var(--c-border)}

/* ================= 文章主体 ================= */
.article-wrap{padding:clamp(36px,5vw,64px) 0 clamp(56px,7vw,96px)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 248px;justify-content:center;gap:56px;align-items:start}
}
.article-main{min-width:0}
.cover-figure{margin:0 0 34px}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1);background:linear-gradient(135deg,var(--c-primary),var(--c-secondary))}
.cover-figure figcaption{font-size:13px;color:var(--c-text-mute);margin-top:10px}

.article-body{font-size:16.5px;line-height:1.78;color:var(--c-text);max-width:760px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);
  margin:1.7em 0 .6em;padding-left:14px;
  border-left:4px solid var(--c-primary);color:var(--c-primary-deep);
}
.article-body h3{font-size:19px;color:var(--c-primary);margin:1.5em 0 .5em}
.article-body h4{font-size:17px;margin:1.3em 0 .4em}
.article-body ul,.article-body ol{line-height:1.9;padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin-bottom:.35em}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:rgba(16,60,51,.05);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--c-text);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-secondary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}
.article-body img{border-radius:var(--radius-img);margin:1.2em 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  display:block;overflow-x:auto;border-radius:var(--radius-img);
}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-border);text-align:left}
.article-body th{background:var(--c-surface-alt);font-weight:600;color:var(--c-primary-deep)}
.article-body tbody tr:nth-child(even){background:rgba(236,232,221,.45)}
.article-body .callout{
  margin:1.5em 0;padding:20px 22px;border-radius:var(--radius-card);
  background:var(--c-surface-alt);border:1px solid var(--c-border);
}
.article-body .callout strong{color:var(--c-primary)}
.article-body code{background:rgba(16,60,51,.07);padding:2px 6px;border-radius:5px;font-size:14.5px}
.article-body hr{border:0;height:1px;background:var(--c-border);margin:2em 0}

/* 目录 */
.article-toc{display:none}
@media (min-width:1280px){
  .article-toc{
    display:block;position:sticky;top:96px;
    background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);
  }
  .article-toc h2{font-size:14px;letter-spacing:.08em;color:var(--c-text-mute);margin-bottom:14px;font-weight:600}
  .article-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--c-border)}
  .article-toc li{margin:0}
  .article-toc a{
    display:block;padding:8px 0 8px 14px;margin-left:-2px;font-size:14px;
    color:var(--c-text-mute);border-left:2px solid transparent;line-height:1.5;
  }
  .article-toc a:hover{color:var(--c-primary);text-decoration:none}
  .article-toc a.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary)}
}

/* 标签与相关 */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-border)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13.5px;color:var(--c-text-mute);margin-right:4px}
.related{margin-top:clamp(40px,5vw,64px)}
.related h2{font-size:clamp(20px,2vw,24px);margin-bottom:20px;color:var(--c-primary-deep)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.r-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-1);transition:all var(--t);
}
.r-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(16,60,51,.3);text-decoration:none}
.r-card img{width:74px;height:74px;flex:0 0 74px;object-fit:cover;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-secondary))}
.r-card .r-title{display:block;font-size:15.5px;font-weight:600;color:var(--c-text);margin-bottom:6px;line-height:1.5}
.r-card .r-desc{display:block;font-size:13px;color:var(--c-text-mute);line-height:1.6}
.back-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}

/* ================= FAQ ================= */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 44px}
.accordion{border:0;background:transparent;margin:0}
.accordion .accordion-item{border:0;border-bottom:1px solid var(--c-border);background:transparent}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--c-text);background:transparent;border:0;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:transparent;color:var(--c-primary)}
.accordion .accordion-title::before{content:none}
.accordion .accordion-title .ico{color:var(--c-primary);font-size:14px;flex:0 0 auto;transition:transform var(--t)}
.accordion .accordion-item.is-active .accordion-title{color:var(--c-primary)}
.accordion .accordion-content{padding:0 0 22px;border:0;background:transparent;font-size:15px;line-height:1.8;color:var(--c-text-mute)}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* ================= CTA 带 ================= */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  background:linear-gradient(105deg,var(--c-primary-deep),var(--c-primary) 62%,#16544A);
  color:#F3F1EA;padding:clamp(32px,4.4vw,56px);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(251,227,203,.28);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:12px;max-width:640px}
.cta-band p{color:rgba(243,241,234,.85);max-width:640px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.privacy-note{font-size:13px;color:var(--c-text-mute);margin-top:16px;line-height:1.7}
.privacy-note a{color:var(--c-secondary)}
.cta-band .privacy-note{color:rgba(243,241,234,.72);margin-top:22px}
.cta-band .privacy-note a{color:var(--c-accent-soft)}

/* ================= 空态 / 图片兜底 ================= */
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-border);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--c-secondary);margin-bottom:14px;display:block}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--c-text-mute);margin-bottom:20px}
.img-fallback{background:linear-gradient(135deg,var(--c-primary),var(--c-secondary))}

/* ================= 表单 / 弹层 ================= */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--c-text-mute);font-weight:600}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  height:46px;padding:0 14px;border:1px solid var(--c-border);border-radius:var(--radius-btn);
  background:var(--c-surface);color:var(--c-text);transition:all var(--t);width:100%;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(16,60,51,.13);
}
.radio-row{display:flex;flex-wrap:wrap;gap:10px}
.radio-row label{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;
  padding:10px 14px;border:1px solid var(--c-border);border-radius:var(--radius-btn);
  background:var(--c-surface);cursor:pointer;transition:all var(--t);
}
.radio-row input{accent-color:var(--c-primary)}
.radio-row label:hover{border-color:rgba(16,60,51,.35)}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-text-mute)}
.check-row input{margin-top:5px;accent-color:var(--c-primary)}
.form-error{color:var(--c-danger);font-size:13px;display:none}
.form-error.is-visible{display:block}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-btn);
  background:rgba(44,110,99,.1);color:#1E5349;font-size:14px;border:1px solid rgba(44,110,99,.25);
}
.form-success.is-visible{display:block}

.reveal-overlay{background:rgba(10,42,36,.6)}
.reveal{
  border:0;border-radius:16px;padding:0;box-shadow:0 24px 60px -20px rgba(10,42,36,.5);
  width:min(560px,calc(100vw - 32px));background:var(--c-bg);
}
.reveal .modal-head{padding:24px 26px 6px;display:flex;justify-content:space-between;gap:16px}
.reveal .modal-head h2{font-size:20px;color:var(--c-primary-deep)}
.reveal .modal-head p{margin:6px 0 0;font-size:14px;color:var(--c-text-mute)}
.reveal .close-button{position:static;width:32px;height:32px;border-radius:8px;color:var(--c-text-mute);font-size:18px}
.reveal .close-button:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.reveal .modal-body{padding:18px 26px 0}
.reveal .modal-foot{padding:18px 26px 24px;border-top:1px solid var(--c-border);margin-top:20px}
@media (max-width:600px){
  .reveal{width:100%;max-width:100%;height:100%;border-radius:0;overflow-y:auto}
}

/* ================= 页脚 ================= */
.site-footer{background:var(--c-primary-deep);color:rgba(247,245,239,.82);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding:clamp(48px,6vw,76px) 0 40px;
}
.footer-logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(247,245,239,.72);margin:0}
.footer-col h3{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{font-size:14px;margin-bottom:11px;color:rgba(247,245,239,.72)}
.footer-col a{color:rgba(247,245,239,.82)}
.footer-col a:hover{color:var(--c-accent);text-decoration:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(247,245,239,.14);padding:20px 0 32px;font-size:13px;color:rgba(247,245,239,.6);
}
.footer-bottom a{color:rgba(247,245,239,.8)}
.footer-bottom a:hover{color:var(--c-accent);text-decoration:none}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-inner{grid-template-columns:auto 1fr auto;height:58px}
  .brand{justify-self:center}
  .nav-left{grid-column:1}
  .related-grid{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-body{font-size:15.5px}
  .form-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .r-card img{width:64px;height:64px;flex:0 0 64px}
}
@media (max-width:520px){
  .brand-main{font-size:16px}
  .brand-sub{font-size:10.5px}
  .article-meta{gap:8px 14px;font-size:13px}
  .article-meta .dot{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .btn-sm{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#103C33;
  --c-primary-deep:#0A2A24;
  --c-accent:#E07A2F;
  --c-accent-soft:#FBE3CB;
  --c-secondary:#2C6E63;
  --c-danger:#C0503A;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#ECE8DD;
  --c-border:#DCD6C8;
  --c-text:#1B211E;
  --c-text-mute:#5C6660;
  --container:1200px;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 14px 34px -14px rgba(16,40,34,.20);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Inter","Helvetica Neue",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-secondary);text-decoration:none;text-underline-offset:3px;}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4{margin:0;color:var(--c-text);line-height:1.35;font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-secondary);
  margin-bottom:12px;
}
.section{padding:clamp(56px,7vw,108px) 0;}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(23px,2.6vw,34px);position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{margin-top:16px;color:var(--c-text-mute);font-size:15.5px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex:1 1 0;min-width:0;}
.nav-left a,.nav-right .nav-link{
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-text);
  border-radius:var(--radius-btn);
  white-space:nowrap;
  transition:color 200ms ease,background 200ms ease;
}
.nav-left a:hover,.nav-right .nav-link:hover{color:var(--c-primary);background:rgba(16,60,51,.06);}
.nav-left a.is-active,.nav-right .nav-link.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--c-primary);}
.brand{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;line-height:1.15;
  text-align:center;padding:0 8px;
}
.brand-main{font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--c-text-mute);font-family:var(--font-num);}
.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-primary);
  font-size:17px;cursor:pointer;transition:background 200ms ease,border-color 200ms ease;
}
.nav-toggle:hover{background:var(--c-accent-soft);border-color:var(--c-accent);}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-border);
  background:var(--c-surface);
  padding:8px 20px 18px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;
  min-height:48px;padding:0 8px;
  border-bottom:1px solid var(--c-border);
  font-size:16px;color:var(--c-text);
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;}
.mobile-panel .mobile-cta{padding-top:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1.2;
  cursor:pointer;text-decoration:none;
  transition:transform 200ms ease,background 200ms ease,color 200ms ease,border-color 200ms ease,box-shadow 200ms ease;
}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-accent:hover{background:#c96a24;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:rgba(16,60,51,.07);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-lg{padding:14px 26px;font-size:16.5px;}
.btn-sm{padding:8px 16px;font-size:14.5px;}
.btn-pill{border-radius:999px;}
.btn:disabled,.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;color:var(--c-secondary);
}
.link-arrow i{transition:transform 200ms ease;font-size:13px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-border);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;
  font-size:14px;color:var(--c-text-mute);
}
.breadcrumb a{color:var(--c-text-mute);text-decoration:underline;text-decoration-thickness:1px;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-border);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ============ Hero ============ */
.hero{
  position:relative;
  color:#fff;
  background-color:var(--c-primary-deep);
  background-image:linear-gradient(115deg,rgba(10,42,36,.94) 0%,rgba(10,42,36,.86) 48%,rgba(16,60,51,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding:clamp(48px,7vw,92px) 0 clamp(46px,6vw,78px);}
.hero-copy{max-width:800px;}
.hero .eyebrow{color:var(--c-accent-soft);}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:720px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:14px 28px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);
}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.88);}
.trust-item i{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:8px;
  background:rgba(255,255,255,.12);color:var(--c-accent-soft);font-size:13px;
}

/* ============ 图文交替 ============ */
.flow-row{align-items:center;}
.flow-row + .flow-row{margin-top:clamp(40px,5vw,72px);}
.flow-media{position:relative;}
.flow-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-1);
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-secondary) 100%);
}
.flow-media .media-tag{
  position:absolute;left:16px;top:16px;
  background:rgba(10,42,36,.88);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:6px 12px;border-radius:6px;
}
.flow-index{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  color:var(--c-accent);letter-spacing:.1em;margin-bottom:10px;
}
.flow-text h3{font-size:22px;margin-bottom:14px;}
.flow-text p{color:var(--c-text-mute);font-size:15.5px;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{
  position:relative;padding-left:26px;
  font-size:15px;color:var(--c-text);
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:.25em;
  font-size:12px;color:var(--c-primary);
}

/* ============ 步骤清单 ============ */
.steps-wrap{background:var(--c-surface-alt);}
.steps-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 32px;}
.step-item{
  display:flex;gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-left:3px solid var(--c-primary);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms ease,box-shadow 200ms ease,border-color 200ms ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(16,60,51,.3);border-left-color:var(--c-accent);}
.step-no{
  flex:0 0 auto;
  font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1;
  color:var(--c-primary);opacity:.85;
}
.step-body h4{font-size:17px;margin-bottom:6px;}
.step-body p{margin:0;font-size:14.5px;color:var(--c-text-mute);line-height:1.7;}

/* ============ 推荐条 ============ */
.reco-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms ease,box-shadow 200ms ease,border-color 200ms ease;
}
.reco-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(16,60,51,.3);}
.reco-card .icon-box{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  background:var(--c-accent-soft);color:var(--c-primary);
  font-size:15px;margin-bottom:16px;
}
.reco-card h3{font-size:19px;margin-bottom:10px;}
.reco-card p{font-size:14.5px;color:var(--c-text-mute);margin-bottom:18px;}
.reco-card .link-arrow{margin-top:auto;}

/* ============ FAQ ============ */
.faq-col-title{
  font-size:17px;font-weight:600;color:var(--c-primary);
  margin:0 0 16px;display:flex;align-items:center;gap:10px;
}
.faq-col-title i{font-size:14px;color:var(--c-accent);}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color 200ms ease;
}
.accordion .accordion-item:hover{border-color:rgba(16,60,51,.3);}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:16px 52px 16px 18px;
  font-size:17px;font-weight:600;color:var(--c-text);
  border:none;background:transparent;
  line-height:1.6;
}
.accordion .accordion-title:hover{background:rgba(16,60,51,.04);color:var(--c-primary);}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;line-height:1;
  color:var(--c-primary);margin:0;
}
.accordion .accordion-item.is-active>.accordion-title::before{content:"−";color:var(--c-accent);}
.accordion .accordion-content{
  display:none;
  border:none;border-top:1px solid var(--c-border);
  padding:16px 18px;
  background:var(--c-surface);
  font-size:15px;line-height:1.8;color:var(--c-text-mute);
}
.accordion .accordion-item.is-active>.accordion-content{display:block;}
.accordion .accordion-content p{margin:0 0 10px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-primary-deep);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:28px;
  padding:clamp(44px,5vw,68px) 20px 24px;
  max-width:var(--container);margin:0 auto;
}
.cta-text{max-width:620px;}
.cta-text .eyebrow{color:var(--c-accent-soft);}
.cta-text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.cta-text p{color:rgba(255,255,255,.82);font-size:15.5px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.privacy-note{
  position:relative;z-index:2;
  max-width:var(--container);margin:0 auto;
  padding:0 20px 42px;
  font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.66);
}
.privacy-note a{color:var(--c-accent-soft);text-decoration:underline;text-decoration-thickness:1px;}
.privacy-note a:hover{color:#fff;}

/* ============ 表单 ============ */
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;color:var(--c-text-mute);
  margin-bottom:6px;font-weight:600;
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  font-size:15px;font-family:inherit;color:var(--c-text);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-input);
  transition:border-color 200ms ease,box-shadow 200ms ease;
}
.field textarea{min-height:104px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(16,60,51,.13);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-danger);}
.field .err-msg{display:none;margin-top:6px;font-size:13px;color:var(--c-danger);}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-text-mute);}
.check-row input{margin-top:4px;}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.form-note{font-size:13px;color:var(--c-text-mute);}

/* ============ 弹层 ============ */
.reveal{
  border:none;border-radius:16px;
  padding:28px;
  background:var(--c-surface);
  box-shadow:0 24px 60px -20px rgba(16,40,34,.4);
  outline:none;
}
.reveal .modal-title{font-size:20px;margin-bottom:8px;}
.reveal .modal-sub{font-size:14px;color:var(--c-text-mute);margin-bottom:20px;}
.reveal .close-button{
  position:absolute;top:10px;right:10px;
  width:32px;height:32px;display:flex;align-items:center;justify-content:center;
  color:var(--c-text-mute);font-size:16px;border-radius:8px;
}
.reveal .close-button:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.reveal .modal-privacy{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-border);
  font-size:13px;color:var(--c-text-mute);line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.82);
  padding:clamp(48px,6vw,76px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-logo{
  font-size:19px;font-weight:700;color:#fff;
  margin-bottom:14px;letter-spacing:-.01em;
}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a{color:rgba(255,255,255,.82);}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;
  margin-top:44px;padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.8);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps-grid{grid-template-columns:1fr;}
  .cta-inner{padding-bottom:16px;}
}
@media (max-width:900px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;margin-right:auto;}
  .header-inner{height:58px;}
  .brand-main{font-size:15px;}
  .brand-sub{font-size:10px;}
  .flow-row + .flow-row{margin-top:40px;}
  .flow-text{margin-top:22px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .hero-lead{font-size:16px;}
  .flow-media img{aspect-ratio:16/10;}
  .accordion .accordion-title{font-size:16px;padding:14px 46px 14px 16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:600px){
  .container{padding:0 16px;}
  .step-item{padding:18px;}
  .reco-card{padding:18px;}
  .reveal{
    width:100%;height:100%;max-width:none;
    top:0;left:0;border-radius:0;
    padding:22px 18px;overflow-y:auto;
  }
  .brand-sub{display:none;}
  .privacy-note{padding:0 16px 34px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .trust-row{gap:12px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --c-primary:#103C33;
  --c-primary-deep:#0A2A24;
  --c-accent:#E07A2F;
  --c-accent-soft:#FBE3CB;
  --c-secondary:#2C6E63;
  --c-danger:#C0503A;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#ECE8DD;
  --c-border:#DCD6C8;
  --c-text:#1B211E;
  --c-text-mute:#5C6660;
  --container:1200px;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 14px 34px -14px rgba(16,40,34,.20);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Inter","Helvetica Neue",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:var(--c-secondary);text-decoration:none;text-underline-offset:3px;}
a:hover{color:var(--c-primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.2vw,48px);font-weight:700;letter-spacing:-.02em;line-height:1.28;}
h2{font-size:clamp(23px,2.6vw,34px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
h4{font-size:17px;font-weight:600;}
p{font-size:16px;line-height:1.78;}
button,input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:clamp(56px,7vw,108px) 0;}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--c-secondary);margin-bottom:14px;
}
.eyebrow::before{content:"·";margin-right:8px;color:var(--c-accent);font-weight:700;}
.section-head h2{margin-bottom:.6em;}
.section-head p{color:var(--c-text-mute);}
.lead{font-size:17px;color:var(--c-text-mute);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,245,239,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:24px;height:68px;
}
.nav-left{display:flex;align-items:center;gap:22px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:18px;justify-self:end;}
.nav-left a,.nav-link{
  font-size:15px;color:var(--c-text);font-weight:500;position:relative;
  padding:6px 0;transition:color .2s ease;
}
.nav-left a:hover,.nav-link:hover{color:var(--c-primary);}
.nav-left a::after,.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transition:transform .2s ease;
}
.nav-left a:hover::after,.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:flex;flex-direction:column;align-items:center;justify-self:center;
  line-height:1.15;text-decoration:none;padding:0 32px;
}
.brand-main{font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--c-text-mute);letter-spacing:.08em;margin-top:3px;}
.nav-toggle{
  display:none;justify-self:end;width:40px;height:40px;border:1px solid var(--c-border);
  background:#fff;border-radius:10px;color:var(--c-primary);font-size:16px;cursor:pointer;
}
.mobile-panel{
  display:none;border-top:1px solid var(--c-border);background:var(--c-surface);
  padding:8px 24px 20px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;height:48px;font-size:15px;color:var(--c-text);
  border-bottom:1px solid #F0ECE3;font-weight:500;
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;}
.mobile-cta{margin-top:16px;}
.mobile-cta .btn{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  border:1.5px solid transparent;transition:all .2s ease;text-decoration:none;
}
.btn i{font-size:14px;}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:#c96a26;border-color:#c96a26;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:rgba(16,60,51,.07);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#F7F5EF;border-color:rgba(247,245,239,.55);}
.btn-ghost-light:hover{background:rgba(247,245,239,.14);color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-secondary);
}
.link-more i{transition:transform .2s ease;font-size:13px;}
.link-more:hover i{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(247,245,239,.78);
}
.breadcrumb a{color:rgba(247,245,239,.85);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#F7F5EF;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(10,42,36,.94) 0%,rgba(16,60,51,.88) 46%,rgba(16,60,51,.66) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(247,245,239,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,245,239,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 90%);
}
.cat-hero .container{position:relative;z-index:2;}
.hero-inner{padding:clamp(44px,6vw,84px) 0 clamp(48px,6vw,88px);max-width:820px;}
.hero-inner h1{color:#fff;margin:22px 0 18px;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(247,245,239,.85);max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;
  padding-top:24px;border-top:1px solid rgba(247,245,239,.2);
}
.hero-trust li{
  display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(247,245,239,.82);
}
.hero-trust i{color:var(--c-accent);font-size:13px;}

/* ============ 卡片矩阵 ============ */
.q-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.q-card{
  display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.q-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(16,60,51,.3);}
.q-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  background:rgba(16,60,51,.08);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.q-body h3{font-size:18px;margin-bottom:8px;}
.q-body p{font-size:14.5px;color:var(--c-text-mute);line-height:1.7;}
.q-steps{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.q-steps li{
  font-size:13.5px;color:var(--c-text);display:flex;gap:8px;align-items:flex-start;line-height:1.6;
}
.q-steps li i{color:var(--c-secondary);font-size:11px;margin-top:6px;}
.q-tag{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:6px;
  background:var(--c-accent-soft);color:#8A4712;margin-bottom:10px;
}

/* ============ 对比表 ============ */
.table-wrap{overflow-x:auto;border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
.cmp-table{width:100%;min-width:640px;border-collapse:collapse;background:var(--c-surface);}
.cmp-table th{
  background:var(--c-primary);color:#F7F5EF;font-size:14px;font-weight:600;
  text-align:left;padding:16px 20px;letter-spacing:.02em;
}
.cmp-table td{
  padding:16px 20px;font-size:14.5px;color:var(--c-text-mute);
  border-bottom:1px solid #F0ECE3;vertical-align:top;line-height:1.7;
}
.cmp-table td:first-child{color:var(--c-text);font-weight:600;}
.cmp-table tbody tr:nth-child(even){background:#FAF8F3;}
.cmp-table tbody tr:last-child td{border-bottom:none;}

/* ============ 图文交替 ============ */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.feature-row + .feature-row{margin-top:clamp(48px,6vw,80px);}
.feature-row.reverse .feature-media{order:2;}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow-2);background:linear-gradient(135deg,#103C33,#2C6E63);
}
.feature-text h2{margin-bottom:16px;}
.feature-text p{color:var(--c-text-mute);margin-bottom:16px;}
.feature-list{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.7;}
.feature-list li i{color:var(--c-accent);font-size:13px;margin-top:7px;}
.num-badge{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--c-primary);
  color:#fff;font-family:var(--font-num);font-size:13px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 表单 ============ */
.form-panel{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:13px;font-weight:600;color:var(--c-text-mute);margin-bottom:7px;
}
.field label .req{color:var(--c-danger);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;font-size:15px;color:var(--c-text);
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(16,60,51,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-danger);}
.field .err{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;}
.field.has-error .err{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-text-mute);}
.check-row input{width:16px;height:16px;margin-top:4px;flex:0 0 16px;accent-color:var(--c-primary);}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px;}
.form-done{
  margin-top:18px;padding:14px 16px;border-radius:10px;font-size:14px;
  background:rgba(44,110,99,.1);color:var(--c-primary);border:1px solid rgba(44,110,99,.25);
}
.privacy-note{font-size:13px;color:var(--c-text-mute);line-height:1.7;margin-top:16px;}
.privacy-note a{text-decoration:underline;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion.faq-accordion{
  background:transparent;border:none;margin:0;
}
.faq-accordion .accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--c-border);
}
.faq-accordion .accordion-title{
  font-size:17px;font-weight:600;color:var(--c-text);padding:22px 44px 22px 0;
  position:relative;border:none;background:transparent;line-height:1.5;
}
.faq-accordion .accordion-title:hover{color:var(--c-primary);}
.faq-accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--c-secondary);transition:transform .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-accordion .accordion-title::after{display:none;}
.faq-accordion .accordion-content{
  padding:0 44px 22px 0;border:none;background:transparent;
  color:var(--c-text-mute);font-size:15px;line-height:1.8;
}
.faq-accordion .accordion-content p{font-size:15px;line-height:1.8;}

/* ============ 互链推荐 ============ */
.rec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.rec-card{
  display:flex;flex-direction:column;gap:12px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);transition:all .2s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(16,60,51,.3);}
.rec-card h3{font-size:19px;color:var(--c-text);}
.rec-card p{font-size:14.5px;color:var(--c-text-mute);}
.badge{
  display:inline-block;font-size:12.5px;font-weight:600;padding:4px 10px;
  border-radius:6px;background:rgba(16,60,51,.08);color:var(--c-primary);width:fit-content;
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-primary-deep);color:#F7F5EF;border-radius:18px;
  padding:clamp(32px,4.5vw,56px);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(247,245,239,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,245,239,.05) 1px,transparent 1px);
  background-size:56px 56px;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-text{max-width:620px;}
.cta-text h2{color:#fff;margin-bottom:12px;}
.cta-text p{color:rgba(247,245,239,.82);font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 弹层 ============ */
.modal-overlay{
  display:none;position:fixed;inset:0;z-index:900;background:rgba(10,42,36,.58);
  backdrop-filter:blur(2px);
}
.modal-overlay.is-open{display:block;}
.reveal{
  display:none;position:fixed;z-index:901;top:50%;left:50%;transform:translate(-50%,-50%);
  width:560px;max-width:calc(100% - 32px);max-height:88vh;overflow-y:auto;
  background:var(--c-surface);border-radius:16px;padding:30px;
  box-shadow:0 30px 60px -24px rgba(10,42,36,.5);
}
.reveal.is-open{display:block;}
.modal-title{font-size:20px;font-weight:700;margin-bottom:8px;}
.modal-sub{font-size:14px;color:var(--c-text-mute);margin-bottom:22px;}
.modal-close{
  position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:8px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-text-mute);
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;
}
.modal-close:hover{color:var(--c-primary);border-color:var(--c-primary);}
body.modal-open{overflow:hidden;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(247,245,239,.82);margin-top:0;padding:clamp(48px,6vw,76px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col p{font-size:14px;line-height:1.75;color:rgba(247,245,239,.72);}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li{font-size:14px;color:rgba(247,245,239,.72);}
.footer-col ul a{color:rgba(247,245,239,.82);font-size:14px;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:clamp(36px,4vw,54px);border-top:1px solid rgba(247,245,239,.15);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(247,245,239,.62);
}
.footer-bottom a{color:rgba(247,245,239,.82);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .header-inner{grid-template-columns:auto 1fr auto;gap:14px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .brand{justify-self:center;padding:0 8px;}
  .q-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .feature-row{gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .q-grid{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;gap:24px;}
  .feature-row.reverse .feature-media{order:0;}
  .rec-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .form-panel{padding:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .hero-trust{gap:12px 20px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .q-card{padding:18px;gap:14px;}
  .cmp-table th,.cmp-table td{padding:14px;}
  .reveal{width:100%;max-width:100%;height:100%;max-height:100%;top:0;left:0;transform:none;border-radius:0;padding:24px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ============ 1. 设计变量 ============ */
:root{
  --c-primary:#103C33;
  --c-primary-deep:#0A2A24;
  --c-accent:#E07A2F;
  --c-accent-strong:#C9681F;
  --c-accent-soft:#FBE3CB;
  --c-secondary:#2C6E63;
  --c-danger:#C0503A;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#ECE8DD;
  --c-border:#DCD6C8;
  --c-text:#1B211E;
  --c-text-mute:#5C6660;
  --c-on-dark:#F2EFE6;
  --c-on-dark-mute:#C7D2CC;

  --container:1200px;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;

  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 14px 34px -14px rgba(16,40,34,.20);

  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-latin:"Inter","Helvetica Neue",system-ui,sans-serif;
  --font-base:var(--font-cn);

  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:40px;
  --space-6:56px;
  --section-y:clamp(56px,7vw,108px);
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-base);
  color:var(--c-text);
  font-weight:700;
  letter-spacing:-.01em;
  text-wrap:pretty;
}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.22;letter-spacing:-.02em;margin:0 0 .6em;}
h2{font-size:clamp(23px,2.6vw,34px);line-height:1.32;margin:1.6em 0 .6em;}
h3{font-size:20px;line-height:1.45;font-weight:600;margin:1.6em 0 .6em;}
h4{font-size:17px;line-height:1.5;font-weight:600;margin:1.4em 0 .5em;}
p{margin:0 0 1.1em;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-secondary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
ul,ol{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(224,122,47,.5);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-accent-soft);color:var(--c-primary-deep);}

/* ============ 3. 容器与栅格 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.grid-margin-x{margin-left:-14px;margin-right:-14px;}
.grid-margin-x>.cell{margin-left:14px;margin-right:14px;}
.grid-margin-y{margin-top:-20px;}
.grid-margin-y>.cell{margin-top:20px;}
.section{padding:var(--section-y) 0;}
.section-alt{background:var(--c-surface-alt);}
.section-tight{padding:clamp(36px,4vw,56px) 0;}

.section-head{max-width:780px;margin-bottom:var(--space-5);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin:10px 0 12px;}
.section-sub{font-size:16px;line-height:1.78;color:var(--c-text-mute);margin:0;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-secondary);
  text-transform:none;
}
.eyebrow::before{content:"";display:inline-block;width:18px;height:2px;background:var(--c-accent);vertical-align:middle;margin-right:8px;}

/* ============ 4. 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  min-height:68px;
  padding-top:8px;
  padding-bottom:8px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-content:flex-start;}
.nav-right{display:flex;align-items:center;gap:20px;justify-content:flex-end;}
.nav-left a,.nav-right .nav-link{
  font-size:14.5px;
  font-weight:500;
  color:var(--c-text);
  position:relative;
  padding:6px 0;
  text-decoration:none;
}
.nav-left a:hover,.nav-right .nav-link:hover{color:var(--c-primary);text-decoration:none;}
.nav-left a.is-active,.nav-right .nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-left a.is-active::after,.nav-right .nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);border-radius:2px;
}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-decoration:none;
  padding:0 32px;
  line-height:1.2;
}
.brand:hover{text-decoration:none;}
.brand-main{
  font-family:var(--font-cn);
  font-size:19px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--font-latin);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--c-text-mute);
  margin-top:2px;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-border);
  border-radius:10px;
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:17px;
  cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-border);
  background:var(--c-surface);
  padding:8px 0 16px;
}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 24px;
  font-size:15px;
  color:var(--c-text);
  border-bottom:1px solid rgba(220,214,200,.6);
  text-decoration:none;
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;background:rgba(16,60,51,.05);}
.mobile-panel .mobile-cta{padding:16px 24px 0;}
.mobile-panel .mobile-cta .btn{width:100%;}
.mobile-panel.is-open{display:block;}

/* ============ 5. 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  font-family:var(--font-cn);
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-strong);border-color:var(--c-accent-strong);color:#fff;box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:rgba(16,60,51,.08);color:var(--c-primary);}
.btn-ghost{background:transparent;border-color:rgba(242,239,230,.55);color:var(--c-on-dark);}
.btn-ghost:hover{background:rgba(242,239,230,.12);color:#fff;border-color:rgba(242,239,230,.8);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-secondary);
  background:none;border:0;padding:0;height:auto;cursor:pointer;
}
.btn-link .fa-arrow-right{transition:transform .2s ease;}
.btn-link:hover{color:var(--c-primary);text-decoration:none;}
.btn-link:hover .fa-arrow-right{transform:translateX(3px);}

/* ============ 6. 面包屑 ============ */
.crumbs-wrap{padding-top:20px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-mute);}
.crumbs a{color:var(--c-text-mute);}
.crumbs a:hover{color:var(--c-primary);text-decoration:none;}
.crumbs .sep{color:var(--c-border);}
.crumbs .current{color:var(--c-primary);font-weight:600;}

/* ============ 7. 内页 Hero ============ */
.page-hero{
  position:relative;
  margin-top:16px;
  color:var(--c-on-dark);
  background-image:
    linear-gradient(115deg,rgba(10,42,36,.95) 0%,rgba(16,60,51,.88) 62%,rgba(16,60,51,.78) 100%),
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,44px 44px,44px 44px,cover;
  background-position:center,center,center,center;
  border-radius:0 0 20px 20px;
  overflow:hidden;
}
.page-hero-inner{padding:clamp(44px,6vw,80px) 0 clamp(44px,6vw,72px);}
.page-hero h1{color:#fff;max-width:14em;margin-bottom:18px;}
.page-hero .eyebrow{color:var(--c-accent-soft);letter-spacing:.16em;}
.page-hero .eyebrow::before{background:var(--c-accent);}
.hero-lead{
  font-size:16.5px;
  line-height:1.82;
  color:var(--c-on-dark-mute);
  max-width:36em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  list-style:none;margin:0;padding:0;
  font-size:14px;color:var(--c-on-dark-mute);
}
.hero-trust li{display:flex;align-items:center;gap:8px;margin:0;}
.hero-trust i{color:var(--c-accent);font-size:14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid rgba(242,239,230,.22);
  box-shadow:var(--shadow-2);
}
.hero-chip{
  position:absolute;
  left:-10px;bottom:-14px;
  background:var(--c-surface);
  color:var(--c-text);
  border:1px solid var(--c-border);
  border-radius:12px;
  padding:12px 16px;
  box-shadow:var(--shadow-2);
  font-size:13px;
  line-height:1.5;
  max-width:230px;
}
.hero-chip strong{display:block;color:var(--c-primary);font-size:15px;font-weight:700;}

/* ============ 8. 快速导航条 ============ */
.quick-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:18px 0;
  border-bottom:1px solid var(--c-border);
}
.quick-strip .qs-label{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--c-text-mute);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--c-border);
  background:var(--c-surface);
  font-size:13.5px;
  color:var(--c-text);
  text-decoration:none;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:rgba(16,60,51,.4);color:var(--c-primary);text-decoration:none;transform:translateY(-1px);}
.chip i{color:var(--c-secondary);font-size:12px;}

/* ============ 9. 时间轴主区 ============ */
.timeline{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px;}
.timeline-item{
  display:grid;
  grid-template-columns:58px 1fr;
  gap:20px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.timeline-item:hover{
  border-color:rgba(16,60,51,.32);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.timeline-num{
  width:58px;height:58px;
  border-radius:12px;
  background:rgba(16,60,51,.07);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-latin);
  font-size:19px;font-weight:700;
  letter-spacing:.02em;
}
.timeline-body h3{margin:0 0 8px;font-size:19px;line-height:1.45;}
.timeline-body p{margin:0 0 14px;font-size:15px;line-height:1.72;color:var(--c-text-mute);}
.points{list-style:none;margin:0;padding:0;display:grid;gap:8px;}
.points li{
  position:relative;
  margin:0;
  padding-left:20px;
  font-size:14.5px;
  line-height:1.68;
  color:var(--c-text);
}
.points li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-accent);
}
.inline-figure{margin:26px 0 0;}
.inline-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--c-border);
}
.inline-figure figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--c-text-mute);
  line-height:1.6;
}

/* ============ 10. 侧栏 ============ */
.side-stack{display:grid;gap:16px;align-content:start;}
.tip-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.tip-card:hover{border-color:rgba(16,60,51,.3);box-shadow:var(--shadow-2);}
.tip-card h3{margin:0 0 8px;font-size:17px;}
.tip-card p{margin:0 0 10px;font-size:14px;line-height:1.7;color:var(--c-text-mute);}
.tip-card p:last-child{margin-bottom:0;}
.tip-icon{
  width:34px;height:34px;
  border-radius:9px;
  background:var(--c-accent-soft);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  margin-bottom:12px;
}
.tip-card.is-dark{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:var(--c-on-dark);
}
.tip-card.is-dark h3{color:#fff;}
.tip-card.is-dark p{color:var(--c-on-dark-mute);}
.tip-card.is-dark .tip-icon{background:rgba(242,239,230,.14);color:var(--c-accent-soft);}
.tip-card.is-dark .btn-link{color:var(--c-accent-soft);}
.tip-card.is-dark .btn-link:hover{color:#fff;}
.side-links{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.side-links li{margin:0;}
.side-links a{font-size:14px;display:inline-flex;align-items:center;gap:8px;color:var(--c-secondary);}
.side-links a:hover{color:var(--c-primary);text-decoration:none;}
.side-links i{font-size:11px;color:var(--c-accent);}

/* ============ 11. 相关栏目 ============ */
.related-card{
  display:block;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:24px;
  color:var(--c-text);
  text-decoration:none;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.related-card:hover{
  border-color:rgba(16,60,51,.35);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  text-decoration:none;
  color:var(--c-text);
}
.related-card h3{margin:12px 0 8px;font-size:18px;}
.related-card p{margin:0 0 14px;font-size:14px;line-height:1.7;color:var(--c-text-mute);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  background:var(--c-accent-soft);
  color:#8A4813;
}
.badge-green{background:rgba(16,60,51,.09);color:var(--c-primary);}
.badge-line{background:transparent;border:1px solid var(--c-border);color:var(--c-text-mute);font-weight:500;}

/* ============ 12. FAQ ============ */
.faq-accordion{
  margin:0;
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  background:var(--c-surface);
  overflow:hidden;
  list-style:none;
  padding-left:0;
}
.faq-accordion .accordion-item{border-bottom:1px solid var(--c-border);}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-title{
  display:block;
  position:relative;
  padding:18px 56px 18px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-text);
  background:transparent;
  border:0;
  text-decoration:none;
}
.faq-accordion .accordion-title:hover{color:var(--c-primary);text-decoration:none;background:rgba(16,60,51,.03);}
.faq-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-family:var(--font-latin);
  font-size:20px;
  font-weight:400;
  color:var(--c-primary);
  line-height:1;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--c-primary);}
.faq-accordion .accordion-content{
  padding:0 22px 20px;
  border:0;
  background:transparent;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-mute);
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ 13. CTA 带 ============ */
.cta-band{
  position:relative;
  color:var(--c-on-dark);
  background-image:
    linear-gradient(120deg,rgba(10,42,36,.96),rgba(44,110,99,.9)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover;
  background-position:center,center;
  border-radius:20px;
  padding:clamp(34px,5vw,58px);
  overflow:hidden;
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-inner h2{color:#fff;margin:0 0 10px;font-size:clamp(22px,2.4vw,30px);}
.cta-inner p{color:var(--c-on-dark-mute);margin:0;max-width:44em;font-size:15.5px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.privacy-note{
  margin-top:22px;
  font-size:13px;
  line-height:1.7;
  color:var(--c-on-dark-mute);
  border-top:1px solid rgba(242,239,230,.18);
  padding-top:16px;
}
.privacy-note a{color:var(--c-accent-soft);text-decoration:underline;text-underline-offset:3px;}
.privacy-note-dark{color:var(--c-text-mute);border-top-color:var(--c-border);}
.privacy-note-dark a{color:var(--c-secondary);}

/* ============ 14. 弹层与表单 ============ */
.reveal.lead-modal{
  width:min(560px,calc(100vw - 32px));
  max-width:560px;
  border-radius:16px;
  border:1px solid var(--c-border);
  background:var(--c-surface);
  padding:28px;
  box-shadow:var(--shadow-2);
  outline:none;
}
.lead-modal h2{font-size:20px;margin:0 0 8px;padding-right:32px;}
.lead-modal .modal-sub{font-size:14px;line-height:1.7;color:var(--c-text-mute);margin:0 0 20px;}
.lead-modal .close-button{
  position:absolute;
  top:14px;right:14px;
  width:32px;height:32px;
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-text-mute);
  background:transparent;
  font-size:20px;
  line-height:1;
  border:0;
  cursor:pointer;
}
.lead-modal .close-button:hover{background:var(--c-surface-alt);color:var(--c-primary);}

.lead-form{display:block;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:0;}
.field.full{grid-column:1 / -1;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--c-text-mute);
  margin-bottom:6px;
}
.field input,.field select,.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--c-border);
  border-radius:var(--radius-input);
  background:var(--c-surface);
  color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(16,60,51,.12);
}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--c-danger);line-height:1.5;}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--c-danger);}
.field.is-error .err{display:block;}
.check-field{display:flex;align-items:flex-start;gap:10px;grid-column:1 / -1;font-size:13.5px;line-height:1.6;color:var(--c-text-mute);}
.check-field input{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--c-primary);}
.check-field.is-error{color:var(--c-danger);}
.form-actions{display:flex;align-items:center;gap:14px;margin-top:22px;flex-wrap:wrap;}
.form-success{
  display:none;
  margin-top:18px;
  padding:14px 16px;
  border-radius:10px;
  background:rgba(44,110,99,.1);
  border:1px solid rgba(44,110,99,.28);
  color:var(--c-primary);
  font-size:14px;
  line-height:1.6;
}
.form-success.is-visible{display:block;}

/* ============ 15. 页脚 ============ */
.site-footer{
  background:var(--c-primary-deep);
  color:var(--c-on-dark);
  padding:clamp(44px,6vw,76px) 0 26px;
  margin-top:var(--section-y);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-logo{
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.01em;
}
.footer-col p{font-size:14px;line-height:1.8;color:var(--c-on-dark-mute);margin:0;max-width:34em;}
.footer-col h3{
  font-size:15px;
  color:#fff;
  margin:0 0 16px;
  font-weight:600;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col li{font-size:14px;line-height:1.7;color:var(--c-on-dark-mute);margin:0;}
.footer-col a{color:var(--c-on-dark-mute);font-size:14px;}
.footer-col a:hover{color:var(--c-accent);text-decoration:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(242,239,230,.16);
  font-size:13px;
  color:rgba(199,210,204,.85);
}
.footer-bottom a{color:rgba(199,210,204,.85);}
.footer-bottom a:hover{color:var(--c-accent);text-decoration:none;}

/* ============ 16. 兜底 ============ */
.img-fallback{
  background:linear-gradient(135deg,#ECE8DD,#DCD6C8);
  min-height:180px;
  border-radius:var(--radius-img);
}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;
}

/* ============ 17. 响应式 ============ */
@media (max-width:1024px){
  .nav-left,.nav-right .nav-link{display:none;}
  .header-inner{grid-template-columns:auto 1fr auto;gap:14px;}
  .brand{padding:0 12px;align-items:flex-start;}
  .brand-main{font-size:17px;}
  .nav-toggle{display:inline-flex;order:-1;}
  .header-cta-desktop{display:none;}
  .side-stack{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .page-hero h1{max-width:none;}
  .hero-visual{margin-top:32px;}
  .hero-chip{position:static;margin-top:16px;max-width:none;box-shadow:var(--shadow-1);}
  .timeline-item{grid-template-columns:1fr;gap:14px;padding:20px;}
  .timeline-num{width:48px;height:48px;font-size:17px;border-radius:10px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .grid-margin-x{margin-left:-10px;margin-right:-10px;}
  .grid-margin-x>.cell{margin-left:10px;margin-right:10px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .btn{height:46px;}
  .faq-accordion .accordion-title{padding:16px 48px 16px 18px;font-size:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}