/* roulang page: index */
:root{
  --c-primary:#0F4C3F;
  --c-primary-700:#0A342C;
  --c-primary-100:#E6F0EC;
  --c-accent:#F5A524;
  --c-accent-600:#D98A0C;
  --c-bg:#F5F8F6;
  --c-surface:#FFFFFF;
  --c-line:#DCE6E1;
  --c-ink:#101B17;
  --c-ink-2:#4A5A55;
  --c-ink-3:#7C8B86;
  --c-ok:#2E9C7A;
  --c-warn:#E0603A;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,23,.06);
  --sh-2:0 10px 28px -10px rgba(16,27,23,.14);
  --sh-3:0 28px 56px -28px rgba(15,76,63,.30);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink)}
p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--c-primary-100);outline-offset:2px;border-radius:4px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding-top:96px;padding-bottom:96px}
.sec-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary)}
.eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-accent);display:block}
.sec-title{font-size:clamp(24px,3vw,34px);margin:14px 0 12px}
.sec-desc{color:var(--c-ink-2);font-size:16px}
.muted{color:var(--c-ink-3);font-size:14px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-m);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.btn i{font-size:13px}
.btn-accent{background:var(--c-accent);color:#22180A;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--c-accent-600);color:#1A1206;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12)}
.btn-outline{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--c-primary);height:auto;padding:0}
.btn-text i{transition:transform .18s ease-out;font-size:12px}
.btn-text:hover i{transform:translateX(3px)}

/* 公告条 */
.notice{background:var(--c-primary-700);color:#D8E6E1;font-size:13px;line-height:1.6}
.notice-inner{display:flex;align-items:center;gap:12px;padding-top:10px;padding-bottom:10px}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:0 0 auto}
.notice-inner p{flex:1 1 auto;margin:0}
.notice-close{width:26px;height:26px;border-radius:var(--r-s);color:#B9CEC7;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* 页头 */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease-out}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary)}
.main-nav{flex:1 1 auto}
.main-nav ul{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;display:block;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:24px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.header-actions .btn{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-s);border:1px solid var(--c-line);color:var(--c-primary);align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--c-primary-100)}

/* Mega 面板 */
.mega{position:relative}
.mega-btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-m);font-size:14px;font-weight:600;color:var(--c-ink-2)}
.mega-btn:hover{color:var(--c-primary);border-color:var(--c-primary)}
.mega-btn i{font-size:11px;transition:transform .18s ease-out}
.mega:hover .mega-btn i,.mega:focus-within .mega-btn i{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:760px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);box-shadow:var(--sh-3);padding:24px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease-out .12s,transform .18s ease-out .12s,visibility .18s ease-out .12s}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.06em;margin-bottom:14px}
.mega-col li+li{margin-top:10px}
.mega-col a{font-size:14px;color:var(--c-ink-2);display:flex;align-items:center;gap:8px}
.mega-col a:hover{color:var(--c-primary)}
.mega-card{border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;background:var(--c-bg)}
.mega-card img{width:100%;height:104px;object-fit:cover;background:var(--c-primary-100)}
.mega-card-body{padding:12px}
.mega-card-body p{font-size:13px;color:var(--c-ink-3);line-height:1.6}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:1025;background:var(--c-surface);padding:88px 24px 32px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s}
body.nav-open .mobile-drawer{opacity:1;visibility:visible;transform:none}
body.nav-open{overflow:hidden}
.mobile-drawer li+li{border-top:1px solid var(--c-line)}
.mobile-drawer a{display:flex;align-items:center;justify-content:space-between;padding:16px 0;font-size:16px;font-weight:500;color:var(--c-ink)}
.mobile-drawer a.active{color:var(--c-primary);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:24px;width:100%}
.drawer-note{margin-top:20px;font-size:13px;color:var(--c-ink-3);line-height:1.7}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--c-primary-700);color:#fff}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center;opacity:.5}
.hero-veil{position:absolute;inset:0;background:linear-gradient(155deg,rgba(10,52,44,.78) 0%,rgba(10,52,44,.93) 68%,rgba(9,43,37,.97) 100%)}
.hero-fade{position:absolute;left:0;right:0;bottom:0;height:64px;background:linear-gradient(180deg,rgba(245,248,246,0),rgba(245,248,246,.92));pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:88px;padding-bottom:96px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(245,165,36,.16);
  border:1px solid rgba(245,165,36,.45);color:#FFD79A;font-size:13px;font-weight:600;letter-spacing:.04em}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;color:#fff;margin:22px 0 18px}
.hero-sub{font-size:17px;line-height:1.8;color:#CFE0DA;max-width:620px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:#BFD3CC}
.hero-points i{color:var(--c-accent);font-size:13px}

/* 入口卡 */
.entry-card{background:var(--c-surface);border-radius:var(--r-l);box-shadow:var(--sh-3);padding:30px;color:var(--c-ink)}
.entry-card h2{font-size:20px;margin-bottom:8px}
.entry-card .entry-lead{font-size:14px;color:var(--c-ink-2);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.field input{width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-s);background:var(--c-bg);transition:border-color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-100)}
.entry-card .btn{width:100%;margin-top:6px}
.entry-links{margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line);display:grid;gap:11px}
.entry-links a{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--c-ink-2)}
.entry-links a:hover{color:var(--c-primary)}
.entry-links i{font-size:11px;color:var(--c-ink-3)}
.entry-privacy{margin-top:18px;font-size:12px;line-height:1.6;color:var(--c-ink-3)}

/* 信任条 */
.trust{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:32px;padding-bottom:32px}
.trust-item{display:flex;align-items:center;gap:14px}
.trust-ico{width:42px;height:42px;border-radius:var(--r-s);background:var(--c-primary-100);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:16px}
.trust-item h3{font-size:15px;margin-bottom:2px}
.trust-item p{font-size:13px;color:var(--c-ink-3);line-height:1.5}

/* 痛点卡 */
.pain{background:var(--c-primary-100)}
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pain-card{background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-primary);border-radius:var(--r-m);
  padding:26px;transition:transform .18s ease-out,box-shadow .18s ease-out}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.pain-card h3{font-size:18px;margin-bottom:10px}
.pain-card p{font-size:15px;color:var(--c-ink-2)}

/* 方案卡 */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;display:flex;flex-direction:column}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.25)}
.sol-thumb{position:relative;background:var(--c-primary-100)}
.sol-thumb img{width:100%;height:230px;object-fit:cover}
.sol-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.sol-body h3{font-size:20px}
.sol-body p{font-size:15px;color:var(--c-ink-2);flex:1 1 auto}
.sol-card--wide{grid-column:1 / -1;flex-direction:row}
.sol-card--wide .sol-thumb{flex:0 0 46%}
.sol-card--wide .sol-thumb img{height:100%;min-height:280px}
.sol-card--wide .sol-body{justify-content:center;padding:34px}
.badge-soft{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-primary-100);
  color:var(--c-primary);font-size:12px;font-weight:600;line-height:1.4}
.badge-mute{background:#EDF1EF;color:var(--c-ink-3)}

/* 数据区 */
.stats{background:var(--c-primary-700);color:#fff;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;
  background-position:center;opacity:.16;pointer-events:none}
.stats .shell{position:relative;z-index:2}
.stats .sec-title{color:#fff}
.stats .sec-desc{color:#BFD3CC}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:8px}
.stat{padding:8px 28px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(34px,4.6vw,52px);font-weight:700;line-height:1.1;color:var(--c-accent);letter-spacing:-.02em}
.stat-label{font-size:15px;font-weight:600;margin-top:10px;color:#fff}
.stat-desc{font-size:13px;color:#A9C1B9;margin-top:6px;line-height:1.6}

/* 最新信息 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.25)}
.post-link{display:flex;flex-direction:column;height:100%}
.post-thumb{display:block;background:var(--c-primary-100)}
.post-thumb img{width:100%;height:186px;object-fit:cover}
.post-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1 1 auto}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.post-time{font-size:13px;color:var(--c-ink-3)}
.post-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-sum{font-size:14px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto}
.post-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--c-primary)}
.post-card:hover .post-more i{transform:translateX(3px)}
.post-more i{transition:transform .18s ease-out;font-size:11px}
.post-card--lead{grid-column:span 3;flex-direction:row}
.post-card--lead .post-link{flex-direction:row}
.post-card--lead .post-thumb{flex:0 0 44%}
.post-card--lead .post-thumb img{height:100%;min-height:260px}
.post-card--lead .post-body{padding:32px;justify-content:center}
.post-card--lead .post-title{font-size:22px;-webkit-line-clamp:2}
.post-card--lead .post-sum{-webkit-line-clamp:3;font-size:15px}
.list-foot{margin-top:36px;text-align:center}
.empty-state{border:1px dashed var(--c-line);border-radius:var(--r-l);background:var(--c-bg);min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px}
.empty-state i{font-size:28px;color:var(--c-ink-3)}
.empty-state p{font-size:15px;color:var(--c-ink-2)}

/* CTA 横幅 */
.cta-band{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);
  padding:36px;display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--c-ink-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.privacy-line{margin-top:18px;font-size:12.5px;color:var(--c-ink-3);display:flex;align-items:flex-start;gap:8px}
.privacy-line i{color:var(--c-ok);margin-top:4px}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden}
.faq-item+.faq-item{margin-top:14px}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;min-height:60px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);transition:background-color .18s ease-out}
.faq-q:hover{background:var(--c-primary-100)}
.faq-q .faq-ico{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-primary-100);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;transition:transform .2s ease-out,background-color .2s ease-out}
.faq-item.open .faq-ico{transform:rotate(135deg);background:var(--c-accent);color:#22180A}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--c-ink-2)}
.faq-item.open .faq-a{max-height:320px}

/* 页脚 */
.site-footer{background:var(--c-primary-700);color:#C6D8D2;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-top:64px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:30px;height:30px}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.footer-top p{font-size:14px;line-height:1.85;color:#A9C1B9;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);letter-spacing:.06em;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#C6D8D2}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#C6D8D2}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;padding-bottom:24px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#8FA9A1}
.footer-bottom a{color:#8FA9A1}
.footer-bottom a:hover{color:var(--c-accent)}

/* 弹层 */
.modal-shell{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-shell[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(10,26,22,.55)}
.modal-box{position:relative;z-index:2;width:100%;max-width:560px;background:var(--c-surface);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:32px;max-height:calc(100vh - 40px);overflow-y:auto;animation:pop .22s ease-out}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.modal-close{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:var(--r-s);color:var(--c-ink-3);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px}
.modal-close:hover{background:var(--c-primary-100);color:var(--c-primary)}
.modal-box h2{font-size:22px;margin-bottom:10px}
.modal-box .modal-lead{font-size:14.5px;color:var(--c-ink-2);margin-bottom:24px}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);line-height:1.7}
.check-line input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 auto}
.hint-err{font-size:13px;color:var(--c-warn);margin-top:8px;display:none}
.modal-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.modal-actions .btn{flex:1 1 180px}

/* 响应式 */
@media (max-width:1199.98px){
  .mega-panel{width:640px;grid-template-columns:1fr 1fr}
  .mega-card{display:none}
}
@media (max-width:991.98px){
  .shell{padding-left:20px;padding-right:20px}
  .section{padding-top:72px;padding-bottom:72px}
  .main-nav{display:none}
  .mega{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:64px;padding-bottom:72px}
  .hero h1{font-size:clamp(28px,5.4vw,38px)}
  .trust-inner{grid-template-columns:repeat(2,1fr);gap:20px}
  .pain-grid{grid-template-columns:1fr}
  .solution-grid{grid-template-columns:1fr}
  .sol-card--wide{flex-direction:column}
  .sol-card--wide .sol-thumb{flex:0 0 auto}
  .sol-card--wide .sol-thumb img{height:220px;min-height:0}
  .sol-card--wide .sol-body{padding:26px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .post-card--lead{grid-column:span 2}
  .post-card--lead .post-link{flex-direction:column}
  .post-card--lead .post-thumb{flex:0 0 auto}
  .post-card--lead .post-thumb img{height:220px;min-height:0}
  .post-card--lead .post-body{padding:24px}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .cta-actions{justify-content:flex-start}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding-top:48px}
}
@media (max-width:575.98px){
  .shell{padding-left:16px;padding-right:16px}
  .section{padding-top:56px;padding-bottom:56px}
  .sec-head{margin-bottom:32px}
  .header-inner{height:64px;gap:14px}
  .brand-text{font-size:16px}
  .brand-mark{width:28px;height:28px}
  .mobile-drawer{padding-top:80px}
  .hero-inner{padding-top:52px;padding-bottom:60px}
  .hero-btns .btn{flex:1 1 100%}
  .hero-points{gap:14px}
  .hero-points li{font-size:13px}
  .entry-card{padding:22px}
  .trust-inner{grid-template-columns:1fr;gap:18px;padding-top:26px;padding-bottom:26px}
  .pain-card{padding:20px}
  .sol-thumb img{height:186px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat{border-left:0;padding:0}
  .post-grid{grid-template-columns:1fr}
  .post-card--lead{grid-column:span 1}
  .post-card--lead .post-title{font-size:19px}
  .post-thumb img{height:180px}
  .faq-q{padding:0 16px;font-size:15px}
  .faq-a-inner{padding:0 16px 18px}
  .cta-band{padding:22px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .modal-box{padding:24px}
  .modal-actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
:root{
  --c-primary:#0F4C3F;
  --c-primary-700:#0A342C;
  --c-primary-100:#E6F0EC;
  --c-accent:#F5A524;
  --c-accent-600:#D98A0C;
  --c-bg:#F5F8F6;
  --c-surface:#FFFFFF;
  --c-line:#DCE6E1;
  --c-ink:#101B17;
  --c-ink-2:#4A5A55;
  --c-ink-3:#7C8B86;
  --c-ok:#2E9C7A;
  --c-warn:#E0603A;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,23,.06);
  --sh-2:0 10px 28px -10px rgba(16,27,23,.14);
  --sh-3:0 28px 56px -28px rgba(15,76,63,.30);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out;}
a:hover{color:var(--c-accent-600);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25;color:var(--c-ink);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--c-primary-100);outline-offset:2px;border-radius:6px;}
.shell{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:var(--sec-y) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.04em;margin-bottom:12px;}
.section-head .eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c-accent);}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px;}

/* 公告条 */
.topbar{background:var(--c-primary-700);color:#DDE9E4;font-size:13px;}
.topbar .shell{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;}
.topbar-sp{display:inline-flex;align-items:center;gap:8px;}
.topbar-sp i{color:var(--c-accent);}
.topbar-close{background:transparent;border:0;color:#9FBBB2;cursor:pointer;font-size:16px;line-height:1;padding:4px 6px;}
.topbar-close:hover{color:#fff;}
.topbar.is-hidden{display:none;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--c-primary);}
.main-nav{margin-left:8px;}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;display:inline-block;padding:24px 0;font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--c-primary);}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.mega{position:relative;}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-m);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);font-size:14px;font-weight:600;
  cursor:pointer;transition:all .18s ease-out;
}
.mega-btn:hover{border-color:rgba(15,76,63,.35);color:var(--c-primary);}
.mega-btn i{font-size:11px;color:var(--c-ink-3);transition:transform .2s ease-out;}
.mega.open .mega-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:760px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-3);
  padding:24px;display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease-out;
}
.mega:hover .mega-panel,.mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;}
.mega-col ul li{margin-bottom:4px;}
.mega-col ul li a{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-s);font-size:14px;color:var(--c-ink-2);
}
.mega-col ul li a i{color:var(--c-primary);font-size:12px;}
.mega-col ul li a:hover{background:var(--c-primary-100);color:var(--c-primary);}
.mega-card{border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;background:var(--c-bg);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-primary-100);}
.mega-card-body{padding:14px;}
.mega-card-body span{display:inline-block;font-size:12px;color:var(--c-primary);background:var(--c-primary-100);border-radius:var(--r-pill);padding:2px 10px;margin-bottom:8px;}
.mega-card-body h5{font-size:14px;font-weight:600;line-height:1.5;margin:0 0 10px;color:var(--c-ink);}
.mega-card-body .btn-primary-sm{height:34px;padding:0 14px;font-size:13px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-m);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);font-size:17px;cursor:pointer;
}
.drawer{
  position:fixed;inset:0;z-index:1040;background:rgba(10,26,22,.55);
  opacity:0;visibility:hidden;transition:all .2s ease-out;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(88vw,380px);background:var(--c-surface);
  padding:22px;overflow-y:auto;transform:translateX(100%);transition:transform .24s ease-out;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head strong{font-size:16px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--c-line);background:transparent;font-size:18px;cursor:pointer;}
.drawer nav a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-ink);}
.drawer nav a.active{color:var(--c-primary);font-weight:600;}
.drawer-card{margin-top:22px;border:1px solid var(--c-line);border-radius:var(--r-m);padding:16px;background:var(--c-bg);}
.drawer-card h5{font-size:14px;margin:0 0 10px;}
.drawer-card p{font-size:13px;color:var(--c-ink-2);line-height:1.7;}

/* 按钮 */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-m);border:1px solid transparent;background:var(--c-accent);color:#231A05;
  font-size:15px;font-weight:700;cursor:pointer;transition:all .18s ease-out;
}
.btn-primary:hover{background:var(--c-accent-600);color:#231A05;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-m);border:1px solid var(--c-primary);background:transparent;color:var(--c-primary);
  font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease-out;
}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-primary-sm{
  display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;border-radius:var(--r-s);
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;border:0;cursor:pointer;transition:all .18s ease-out;
}
.btn-primary-sm:hover{background:var(--c-primary-700);color:#fff;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.text-link i{transition:transform .18s ease-out;}
.text-link:hover i{transform:translateX(3px);}

/* 文章页头部 */
.article-hero{position:relative;background:var(--c-primary-700);overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.34;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,52,44,.86) 0%,rgba(10,52,44,.92) 62%,var(--c-bg) 100%);
}
.article-hero .shell{position:relative;z-index:2;padding-top:34px;padding-bottom:56px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.62);}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:var(--c-accent);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:rgba(255,255,255,.6);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  margin-top:22px;color:#fff;font-size:clamp(26px,3.4vw,42px);max-width:900px;
}
.article-meta{
  margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);
  background:rgba(245,165,36,.16);color:var(--c-accent);font-size:13px;font-weight:600;
}
.badge-cat--light{background:var(--c-primary-100);color:var(--c-primary);}
.badge-time{background:#EEF2F0;color:var(--c-ink-2);}

/* 文章主体 */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;padding-top:56px;padding-bottom:var(--sec-y);}
.article-main{min-width:0;}
.card-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:40px;
}
.prose{font-size:16px;line-height:1.9;color:var(--c-ink);}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 20px;}
.prose h2{font-size:26px;margin:36px 0 16px;padding-left:14px;position:relative;}
.prose h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:2px;background:var(--c-accent);}
.prose h3{font-size:20px;margin:28px 0 12px;}
.prose h4{font-size:17px;margin:22px 0 10px;color:var(--c-ink-2);}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 20px;list-style:revert;}
.prose li{margin-bottom:8px;}
.prose li::marker{color:var(--c-primary);}
.prose blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-100);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--c-ink-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-m);margin:24px auto;}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--c-accent-600);}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--c-line);
  border-radius:var(--r-m);overflow:hidden;margin:24px 0;font-size:15px;
}
.prose thead th{background:var(--c-primary-100);color:var(--c-primary-700);font-weight:600;text-align:left;}
.prose th,.prose td{padding:12px 16px;border-bottom:1px solid var(--c-line);}
.prose tbody tr:nth-child(even){background:#FAFCFB;}
.prose tbody tr:last-child td{border-bottom:0;}
.prose code{
  background:var(--c-primary-100);color:var(--c-primary-700);padding:2px 6px;border-radius:6px;
  font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.prose pre{
  background:var(--c-primary-700);color:#E6F0EC;padding:18px;border-radius:var(--r-m);
  overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7;
}
.prose pre code{background:transparent;color:inherit;padding:0;}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-l);background:var(--c-bg);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--c-primary);opacity:.6;}
.empty-state h3{font-size:20px;margin:16px 0 8px;}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px;}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:22px;}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--c-accent);font-size:14px;}
.side-list li{border-bottom:1px dashed var(--c-line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14px;color:var(--c-ink-2);}
.side-list a:hover{color:var(--c-primary);}
.side-list a i{font-size:11px;color:var(--c-ink-3);}
.side-entry{background:var(--c-primary-700);color:#fff;border-color:transparent;}
.side-entry h3{color:#fff;}
.side-entry h3 i{color:var(--c-accent);}
.side-entry p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.75;margin-bottom:14px;}
.side-entry .btn-primary{width:100%;height:44px;font-size:14px;}
.side-entry ul{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.14);}
.side-entry ul li{margin-bottom:8px;}
.side-entry ul a{font-size:13px;color:rgba(255,255,255,.78);display:inline-flex;align-items:center;gap:8px;}
.side-entry ul a:hover{color:var(--c-accent);}
.side-note{font-size:12px;color:var(--c-ink-3);line-height:1.7;margin-top:14px;}

/* 标签 */
.tagbar{margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tagbar .label{font-size:13px;color:var(--c-ink-3);}
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);background:var(--c-primary-100);color:var(--c-primary);font-size:13px;font-weight:500;}
.tag:hover{background:var(--c-primary);color:#fff;}
.tag-side{display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);background:#EEF2F0;color:var(--c-ink-2);font-size:13px;}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.2);}
.rel-card figure{margin:0;position:relative;overflow:hidden;background:var(--c-primary-100);}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.rel-card:hover img{transform:scale(1.03);}
.rel-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);margin-bottom:14px;overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.faq-item.open{border-color:rgba(15,76,63,.25);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;
  padding:16px 20px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:500;color:var(--c-ink);cursor:pointer;
}
.faq-q .sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-100);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:13px;transition:transform .2s ease-out;}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{display:none;padding:0 20px 20px;background:var(--c-primary-100);font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.faq-item.open .faq-a{display:block;padding-top:16px;}
.faq-a p{margin-bottom:10px;}
.faq-a p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{background:var(--c-primary-700);border-radius:var(--r-l);padding:44px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(245,165,36,.10);}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);position:relative;}
.cta-band p{color:rgba(255,255,255,.74);margin-top:12px;font-size:15px;max-width:62ch;position:relative;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.privacy-note{margin-top:16px;font-size:13px;color:var(--c-ink-3);line-height:1.7;}
.privacy-note a{text-decoration:underline;color:var(--c-ink-2);}

/* 页脚 */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.72);margin-top:var(--sec-y);}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:32px;height:32px;}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;}
.footer-top p{font-size:14px;line-height:1.8;max-width:38ch;}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-col ul li a:hover{color:var(--c-accent);text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact li i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:1199px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 270px;gap:32px;}
  .mega-panel{width:640px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .main-nav,.header-actions .mega{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .article-wrap{grid-template-columns:1fr;gap:32px;padding-top:40px;}
  .article-side{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  .shell{padding:0 20px;}
  .card-panel{padding:24px;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
  .rel-grid{grid-template-columns:1fr;}
  .article-hero .shell{padding-bottom:40px;}
  .crumbs .current{white-space:normal;}
}
@media (max-width:575px){
  .shell{padding:0 16px;}
  .brand-text{font-size:15px;}
  .card-panel{padding:20px;border-radius:var(--r-m);}
  .article-meta{font-size:13px;gap:10px;}
  .footer-top{grid-template-columns:1fr;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F4C3F;
  --c-primary-700:#0A342C;
  --c-primary-100:#E6F0EC;
  --c-accent:#F5A524;
  --c-accent-600:#D98A0C;
  --c-bg:#F5F8F6;
  --c-surface:#FFFFFF;
  --c-line:#DCE6E1;
  --c-ink:#101B17;
  --c-ink-2:#4A5A55;
  --c-ink-3:#7C8B86;
  --c-ok:#2E9C7A;
  --c-warn:#E0603A;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,23,.06);
  --sh-2:0 10px 28px -10px rgba(16,27,23,.14);
  --sh-3:0 28px 56px -28px rgba(15,76,63,.30);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:3px solid var(--c-primary-100);outline-offset:2px;border-radius:6px}

.shell{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:var(--sec) 0}
.sec-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-100);border-radius:var(--r-pill);
  padding:6px 14px;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--c-accent);border-radius:2px}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin:16px 0 12px}
.sec-head p{color:var(--c-ink-2);font-size:15px}

/* ============ 顶部公告 ============ */
.topbar{background:var(--c-primary-700);color:rgba(255,255,255,.9);font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:40px}
.topbar-inner i{color:var(--c-accent)}
.topbar-close{
  margin-left:auto;background:none;border:0;color:rgba(255,255,255,.7);
  cursor:pointer;font-size:14px;padding:6px 8px;border-radius:6px;line-height:1;
}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.12)}
.topbar.is-hidden{display:none}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-text{font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:-.01em;white-space:nowrap}

.main-nav{margin-left:6px}
.main-nav ul{display:flex;align-items:center;gap:24px}
.main-nav a{
  position:relative;display:inline-block;padding:24px 0;
  font-size:15px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;border-radius:2px;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-primary-100);border:1px solid transparent;
  color:var(--c-primary);font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out;
}
.mega-btn:hover{background:#d7e8e1}
.mega-btn i{font-size:11px;transition:transform .18s ease-out}
.mega.open .mega-btn i,.mega:hover .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);width:720px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
  z-index:210;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;
}
.mega-col h4{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.06em;margin-bottom:12px}
.mega-col ul{display:grid;gap:4px}
.mega-col ul a{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-s);
  font-size:14px;color:var(--c-ink-2);
}
.mega-col ul a i{font-size:12px;color:var(--c-primary);width:14px;text-align:center}
.mega-col ul a:hover{background:var(--c-primary-100);color:var(--c-primary)}
.mega-feature{
  border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
  display:flex;flex-direction:column;
}
.mega-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-primary-100)}
.mega-feature-body{padding:14px}
.mega-feature-body strong{display:block;font-size:14px;margin-bottom:6px}
.mega-feature-body span{display:block;font-size:12.5px;color:var(--c-ink-3);line-height:1.65;margin-bottom:12px}
.mega-feature-body .mini-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary);
}
.mega-feature-body .mini-link i{font-size:11px;transition:transform .18s ease-out}
.mega-feature-body .mini-link:hover i{transform:translateX(2px)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-s);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-primary-100)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn i{font-size:13px;transition:transform .18s ease-out}
.btn-primary{background:var(--c-accent);color:#1B1405;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-100);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-accent);color:#1B1405;transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.85)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);
}
.btn-text i{font-size:12px;transition:transform .18s ease-out}
.btn-text:hover{color:var(--c-accent-600)}
.btn-text:hover i{transform:translateX(2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:var(--r-s)}
.btn[disabled],.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;color:#fff;min-height:310px;display:flex;align-items:center;
  padding:56px 0 48px;
  background-image:linear-gradient(90deg,rgba(10,52,44,.82),rgba(10,52,44,.62)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:64px;
  background:linear-gradient(to bottom,rgba(245,248,246,0),var(--c-bg));
  pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:rgba(255,255,255,.38)}
.crumb .now{color:rgba(255,255,255,.95)}
.page-hero h1{font-size:clamp(30px,4.2vw,46px);max-width:820px;color:#fff}
.page-hero .lead{
  margin-top:16px;max-width:720px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.84);
}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fact-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.92);
}
.fact-pill i{color:var(--c-accent);font-size:12px}

/* ============ 锚点导航条 ============ */
.anchor-wrap{
  position:relative;z-index:5;margin-top:-26px;margin-bottom:8px;
}
.anchor-bar{
  display:flex;gap:10px;overflow-x:auto;padding:12px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-2);scrollbar-width:thin;
}
.anchor-bar::-webkit-scrollbar{height:6px}
.anchor-bar::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:6px}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:9px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--c-ink-2);background:var(--c-bg);border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.anchor-bar a i{font-size:11px;color:var(--c-primary)}
.anchor-bar a:hover{background:var(--c-primary-100);color:var(--c-primary);border-color:rgba(15,76,63,.16)}

/* ============ zigzag ============ */
.zz-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  margin-bottom:64px;
}
.zz-row:last-child{margin-bottom:0}
.zz-media{position:relative}
.zz-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-l);background:var(--c-primary-100);
  box-shadow:var(--sh-2);
}
.zz-media::before{
  content:"";position:absolute;left:-14px;top:-14px;width:88px;height:88px;
  border-left:2px solid var(--c-accent);border-top:2px solid var(--c-accent);
  border-top-left-radius:var(--r-m);opacity:.85;
}
.zz-row.reverse .zz-media{order:2}
.zz-row.reverse .zz-body{order:1}
.zz-row.reverse .zz-media::before{left:auto;right:-14px;border-left:0;border-right:2px solid var(--c-accent);border-top-left-radius:0;border-top-right-radius:var(--r-m)}

.zz-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.zz-num{
  width:44px;height:44px;flex:none;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:#1B1405;font-size:16px;font-weight:700;letter-spacing:.02em;
}
.zz-head h2{font-size:clamp(22px,2.4vw,28px)}
.zz-body p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:18px}
.zz-list{display:grid;gap:12px;margin-bottom:22px}
.zz-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2)}
.zz-list li i{
  flex:none;width:22px;height:22px;margin-top:4px;border-radius:6px;
  background:var(--c-primary-100);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:11px;
}
.zz-list li strong{color:var(--c-ink);font-weight:600}
.zz-note{
  border-left:3px solid var(--c-primary);background:var(--c-primary-100);
  border-radius:0 var(--r-m) var(--r-m) 0;padding:14px 18px;
  font-size:14px;color:var(--c-ink-2);line-height:1.75;
}
.zz-note strong{color:var(--c-primary);font-weight:600}

/* ============ 场景卡片 ============ */
.scene-sec{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scene-card{
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:26px 22px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.22);background:#fff}
.scene-icon{
  width:46px;height:46px;border-radius:12px;background:var(--c-primary-100);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.scene-card h3{font-size:17px;margin-bottom:10px}
.scene-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ============ 检查清单 ============ */
.check-wrap{
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:start;
}
.check-intro h2{font-size:clamp(24px,3vw,34px);margin:16px 0 14px}
.check-intro p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px}
.check-list{border-top:1px solid var(--c-line)}
.check-list li{
  display:grid;grid-template-columns:180px 1fr;gap:20px;
  padding:18px 4px;border-bottom:1px solid var(--c-line);
}
.check-list dt{font-size:15px;font-weight:600;color:var(--c-primary);display:flex;align-items:center;gap:10px}
.check-list dt span{
  width:26px;height:26px;flex:none;border-radius:8px;background:var(--c-primary-100);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:12px;
}
.check-list dd{margin:0;font-size:14.5px;color:var(--c-ink-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-sec{background:#fff;border-top:1px solid var(--c-line)}
.faq-inner{max-width:860px;margin:0 auto}
.faq-list .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-m)!important;
  margin-bottom:12px;overflow:hidden;background:#fff;
}
.faq-list .accordion-button{
  width:100%;min-height:60px;padding:16px 20px;
  font-size:16px;font-weight:500;color:var(--c-ink);background:#fff;
  box-shadow:none!important;border:0;display:flex;align-items:center;gap:14px;
}
.faq-list .accordion-button:hover{background:var(--c-primary-100)}
.faq-list .accordion-button:not(.collapsed){background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.faq-list .accordion-button::after{
  content:"+";background-image:none!important;
  width:28px;height:28px;flex:none;border-radius:8px;margin-left:auto;
  background:var(--c-primary-100);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;line-height:1;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.faq-list .accordion-button:not(.collapsed)::after{
  content:"+";transform:rotate(45deg);background:var(--c-accent);color:#1B1405;
}
.faq-list .accordion-body{
  padding:4px 22px 22px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85;
}
.faq-list .accordion-body strong{color:var(--c-ink);font-weight:600}

/* ============ CTA ============ */
.cta-sec{padding:0 0 var(--sec)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-l);
  background:var(--c-primary-700);color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  padding:48px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);line-height:1.85;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.privacy-note{
  margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7;
  display:flex;align-items:flex-start;gap:8px;
}
.privacy-note i{margin-top:4px;color:var(--c-accent)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.78);padding:64px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:32px;height:32px;flex:none}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.6);letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.82)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.78)}
.footer-contact i{margin-top:4px;color:var(--c-accent);font-size:12px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:400;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(10,26,22,.55)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:#fff;padding:22px 20px;overflow-y:auto;
  box-shadow:var(--sh-3);animation:drawerIn .22s ease-out;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head .brand-text{font-size:16px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--c-line);background:#fff;color:var(--c-primary);font-size:16px;cursor:pointer}
.drawer-group{margin-bottom:22px}
.drawer-group h4{font-size:12.5px;font-weight:600;color:var(--c-ink-3);letter-spacing:.06em;margin-bottom:10px}
.drawer-group ul{display:grid;gap:4px}
.drawer-group a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:var(--r-s);
  font-size:15px;color:var(--c-ink-2);
}
.drawer-group a i{font-size:12px;color:var(--c-primary);width:14px;text-align:center}
.drawer-group a:hover,.drawer-group a.active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.drawer-cta{display:grid;gap:10px;margin-top:6px}
.drawer-cta .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:80px}
  .main-nav ul{gap:18px}
  .mega-panel{width:640px}
}
@media (max-width:991px){
  :root{--sec:72px}
  .main-nav{display:none}
  .mega{display:none}
  .nav-toggle{display:inline-flex}
  .page-hero{min-height:280px;padding:44px 0 40px}
  .header-inner{height:66px;gap:16px}
  .zz-row{grid-template-columns:1fr;gap:32px;margin-bottom:56px}
  .zz-row.reverse .zz-media{order:0}
  .zz-row.reverse .zz-body{order:0}
  .zz-media::before{display:none}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .check-wrap{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:26px}
  .cta-actions{justify-content:flex-start}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .shell{padding:0 20px}
  .page-hero h1{font-size:28px}
  .page-hero .lead{font-size:15px}
  .scene-grid{grid-template-columns:1fr}
  .check-list li{grid-template-columns:1fr;gap:8px}
  .cta-band{padding:30px 22px;border-radius:var(--r-m)}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .shell{padding:0 16px}
  .brand-text{font-size:16px}
  .zoom{font-size:15px}
  .zz-head{gap:10px}
  .zz-num{width:38px;height:38px;font-size:14px;border-radius:9px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .anchor-bar{padding:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F4C3F;
  --c-primary-700:#0A342C;
  --c-primary-100:#E6F0EC;
  --c-accent:#F5A524;
  --c-accent-600:#D98A0C;
  --c-bg:#F5F8F6;
  --c-surface:#FFFFFF;
  --c-line:#DCE6E1;
  --c-ink:#101B17;
  --c-ink-2:#4A5A55;
  --c-ink-3:#7C8B86;
  --c-success:#2E9C7A;
  --c-alert:#E0603A;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,23,.06);
  --sh-2:0 10px 28px -10px rgba(16,27,23,.14);
  --sh-3:0 28px 56px -28px rgba(15,76,63,.30);
  --head-h:72px;
  --sp-section:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out}
a:hover{color:var(--c-accent-600)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink)}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--c-primary-100);outline-offset:2px;border-radius:6px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--c-surface)}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.section-head p{color:var(--c-ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-100);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.eyebrow::before{content:"";width:14px;height:4px;background:var(--c-accent);border-radius:2px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--head-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;flex:0 0 auto}
.brand-text{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:-.01em;white-space:nowrap}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:28px;list-style:none}
.main-nav a{
  position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary)}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mega{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border:1px solid var(--c-line);
  background:var(--c-primary-100);color:var(--c-primary);font-size:14px;font-weight:600;border-radius:var(--r-m);
  cursor:pointer;transition:background .18s ease-out,border-color .18s ease-out;
}
.mega-btn:hover{background:#d8e8e1;border-color:#c3d8ce}
.mega-btn i{font-size:12px;transition:transform .18s ease-out}
.mega.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:760px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-3);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:14px;font-weight:600;color:var(--c-ink-3);margin-bottom:14px;letter-spacing:.02em}
.mega-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.mega-col ul a{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-2)}
.mega-col ul a i{font-size:12px;color:var(--c-primary)}
.mega-col ul a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.mega-card{border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;background:var(--c-bg)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-primary-100)}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-size:14px;color:var(--c-ink);margin-bottom:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:var(--r-m);color:var(--c-primary);font-size:17px;cursor:pointer;
}
.mobile-drawer{
  position:fixed;top:var(--head-h);right:0;bottom:0;width:min(340px,86vw);background:var(--c-surface);
  border-left:1px solid var(--c-line);box-shadow:var(--sh-3);padding:24px;overflow-y:auto;
  transform:translateX(102%);transition:transform .22s ease-out;z-index:1001;
}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-backdrop{
  position:fixed;inset:var(--head-h) 0 0 0;background:rgba(10,26,22,.5);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s;z-index:1000;
}
body.drawer-open .drawer-backdrop{opacity:1;visibility:visible}
.mobile-drawer ul{list-style:none;display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:var(--r-s);font-size:15px;color:var(--c-ink-2)}
.mobile-drawer a:hover,.mobile-drawer a.active{background:var(--c-primary-100);color:var(--c-primary)}
.drawer-title{font-size:13px;font-weight:600;color:var(--c-ink-3);margin:8px 0 10px;letter-spacing:.02em}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;
  border-radius:var(--r-m);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--c-accent);color:#101B17;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-accent-600);color:#101B17;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border:2px solid rgba(16,27,23,.28);border-top-color:#101B17;
  border-radius:50%;animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow i{transition:transform .18s ease-out}
.link-arrow:hover i{transform:translateX(3px)}

/* Page hero */
.page-hero{
  position:relative;background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;color:#fff;padding:66px 0 60px;overflow:hidden;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(10,52,44,.68)}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:70px;
  background:linear-gradient(180deg,rgba(245,248,246,0),var(--c-bg));
}
.page-hero .shell{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.76);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs span.sep{opacity:.5}
.crumbs .current{color:#fff}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.4vw,42px);max-width:18em;margin-bottom:16px;
}
.page-hero p{color:rgba(255,255,255,.86);max-width:62ch;font-size:16px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);
}
.hero-tags span i{font-size:11px;color:var(--c-accent)}

/* Anchor bar */
.anchor-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:var(--head-h);z-index:900}
.anchor-scroll{display:flex;gap:8px;overflow-x:auto;padding:14px 0;scrollbar-width:thin}
.anchor-scroll a{
  flex:0 0 auto;font-size:14px;font-weight:500;color:var(--c-ink-2);
  padding:8px 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.anchor-scroll a:hover{background:var(--c-primary-100);color:var(--c-primary);border-color:#c3d8ce}

/* Cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);padding:28px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.2)}
.card h3{font-size:20px;margin-bottom:12px}
.card p{color:var(--c-ink-2);font-size:15px}
.card-icon{
  width:46px;height:46px;border-radius:var(--r-m);background:var(--c-primary-100);color:var(--c-primary);
  display:grid;place-items:center;font-size:18px;margin-bottom:18px;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 12px;
  border-radius:var(--r-pill);background:var(--c-primary-100);color:var(--c-primary);margin-bottom:14px;
}
.badge-time{background:#eef2f0;color:var(--c-ink-3)}

/* Timeline */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:start}
.timeline-media{
  position:relative;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-primary-100);box-shadow:var(--sh-2);
}
.timeline-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.timeline-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff;font-size:14px;
  background:linear-gradient(180deg,rgba(10,52,44,0),rgba(10,52,44,.82));
}
.timeline{list-style:none;position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:27px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(15,76,63,.18) 100%);
}
.tl-item{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:24px;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:relative;z-index:1;width:56px;height:56px;border-radius:var(--r-m);background:var(--c-accent);
  color:#101B17;font-size:17px;font-weight:700;display:grid;place-items:center;box-shadow:var(--sh-1);
}
.tl-body h3{font-size:20px;margin-bottom:10px}
.tl-body p{color:var(--c-ink-2);font-size:15px}
.tl-points{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:6px}
.tl-points li{position:relative;padding-left:18px;font-size:14px;color:var(--c-ink-3)}
.tl-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--c-primary)}

/* Stats band */
.stats-band{background:var(--c-primary-700);color:#fff;padding:72px 0}
.stats-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.stats-band .lead{color:rgba(255,255,255,.72);max-width:60ch;margin-bottom:40px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{display:block;font-size:clamp(34px,4vw,52px);font-weight:700;color:var(--c-accent);line-height:1.1}
.stat-label{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.74)}

/* Spec list */
.spec-list{border-top:1px solid var(--c-line);margin-top:8px}
.spec-row{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--c-line)}
.spec-row dt{font-weight:600;font-size:15px;color:var(--c-ink)}
.spec-row dd{margin:0;color:var(--c-ink-2);font-size:15px}

/* Reason blocks */
.reason{display:grid;grid-template-columns:4px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.reason:last-child{border-bottom:none}
.reason-bar{background:var(--c-primary);border-radius:2px}
.reason h3{font-size:18px;margin-bottom:8px}
.reason p{color:var(--c-ink-2);font-size:15px}
.reason .fix{display:block;margin-top:8px;font-size:14px;color:var(--c-primary)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{border:1px solid var(--c-line);border-radius:var(--r-l);margin-bottom:12px;overflow:hidden;background:var(--c-surface)}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  width:100%;text-align:left;font-size:16px;font-weight:500;color:var(--c-ink);background:var(--c-surface);
  padding:18px 22px;border:none;box-shadow:none!important;line-height:1.6;
}
.accordion-button:not(.collapsed){background:var(--c-primary-100);color:var(--c-primary);box-shadow:none}
.accordion-button:focus{border-color:transparent}
.accordion-button::after{
  width:18px;height:18px;background-size:18px;margin-left:16px;flex:0 0 auto;
}
.accordion-body{padding:16px 22px 22px;background:var(--c-primary-100);color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* CTA */
.cta-band{background:var(--c-surface);border-top:1px solid var(--c-line);padding:72px 0 40px}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:center;
  border:1px solid var(--c-line);border-radius:var(--r-l);padding:40px;background:var(--c-bg);box-shadow:var(--sh-1);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-inner p{color:var(--c-ink-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.privacy-note{
  max-width:1200px;margin:24px auto 0;padding:0 24px;font-size:12.5px;line-height:1.7;color:var(--c-ink-3);
}
.privacy-note i{color:var(--c-primary);margin-right:6px}

/* Footer */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.78);padding:64px 0 24px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:34px;height:34px}
.footer-brand span{color:#fff;font-size:17px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.75}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.82)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact li{display:flex;gap:10px;font-size:14px;align-items:flex-start}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.site-footer a{color:rgba(255,255,255,.82)}

@media (max-width:1199px){
  :root{--sp-section:80px}
  .mega-panel{width:660px;grid-template-columns:1fr 1fr}
  .mega-card{display:none}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .shell{padding:0 20px}
  .main-nav,.mega{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-actions{margin-left:auto}
  .timeline-wrap{grid-template-columns:1fr;gap:40px}
  .timeline-media{order:-1}
  .cta-inner{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .stat:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:767px){
  :root{--sp-section:56px;--head-h:64px}
  .shell{padding:0 16px}
  .brand-text{font-size:15px}
  .page-hero{padding:48px 0 44px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr;gap:6px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:0 16px}
  .footer-top{grid-template-columns:1fr}
  .cta-band{padding:56px 0 32px}
  .cta-inner{padding:24px}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:none;padding:0 0 20px}
  .stat:not(:last-child){border-bottom:1px solid rgba(255,255,255,.14)}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px}
  .tl-num{width:44px;height:44px;font-size:15px;border-radius:12px}
  .timeline::before{left:21px}
  .card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0F4C3F;
  --c-primary-700:#0A342C;
  --c-primary-100:#E6F0EC;
  --c-accent:#F5A524;
  --c-accent-600:#D98A0C;
  --c-bg:#F5F8F6;
  --c-surface:#FFFFFF;
  --c-line:#DCE6E1;
  --c-ink:#101B17;
  --c-ink-2:#4A5A55;
  --c-ink-3:#7C8B86;
  --c-ok:#2E9C7A;
  --c-warn:#E0603A;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,23,.06);
  --sh-2:0 10px 28px -10px rgba(16,27,23,.14);
  --sh-3:0 28px 56px -28px rgba(15,76,63,.30);
  --sp-section:88px;
  --font-base:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ============ 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:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select{font:inherit}
dl,dd,dt{margin:0}
:focus-visible{outline:3px solid rgba(15,76,63,.25);outline-offset:2px}

/* ============ 容器 ============ */
.shell{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ============ 顶部公告条 ============ */
.topbar{background:var(--c-primary-700);color:rgba(255,255,255,.9);font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:40px}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:none}
.topbar-inner p{flex:1;line-height:1.6;padding:6px 0}
.topbar-close{width:32px;height:32px;border-radius:var(--r-s);color:rgba(255,255,255,.7);transition:background .16s,color .16s;display:grid;place-items:center}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 页头与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}

.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}

.main-nav{flex:1}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .16s ease-out;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary)}
.main-nav a.active::after{transform:scaleX(1)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}

/* Mega 面板 */
.mega{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-m);
  font-size:14px;font-weight:500;color:var(--c-ink-2);
  background:var(--c-surface);transition:border-color .16s,color .16s,background .16s;
}
.mega-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-100)}
.mega-btn i{font-size:12px;transition:transform .18s ease-out}
.mega.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:780px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
  transition-delay:.12s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-col h4{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;margin-bottom:14px}
.mega-col ul li{margin-bottom:10px}
.mega-col ul a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);transition:color .16s}
.mega-col ul a i{font-size:11px;color:var(--c-primary);opacity:.7}
.mega-col ul a:hover{color:var(--c-primary)}
.mega-col ul a:hover i{opacity:1}
.mega-entry img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-m);background:var(--c-primary-100)}
.mega-entry p{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;margin-top:12px}
.mega-entry .btn-cta{margin-top:14px;height:42px;font-size:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-m);
  border:1px solid var(--c-line);color:var(--c-ink);
  align-items:center;justify-content:center;font-size:16px;
  transition:background .16s,border-color .16s;
}
.nav-toggle:hover{background:var(--c-primary-100);border-color:var(--c-primary)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;left:0;right:0;top:0;bottom:0;z-index:70;
  background:var(--c-surface);padding:88px 24px 48px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer h4{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;margin:24px 0 12px}
.mobile-drawer ul li{border-bottom:1px solid var(--c-line)}
.mobile-drawer ul a{display:flex;align-items:center;justify-content:space-between;padding:14px 0;font-size:16px;color:var(--c-ink)}
.mobile-drawer ul a.active{color:var(--c-primary);font-weight:600}
.mobile-drawer ul a i{font-size:12px;color:var(--c-ink-3)}
.mobile-drawer .btn-cta{margin-top:28px;width:100%}

/* ============ 按钮 ============ */
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-m);
  background:var(--c-accent);color:#1A1405;font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .16s ease-out,background .16s ease-out,box-shadow .16s ease-out;
}
.btn-cta i{font-size:13px;transition:transform .18s ease-out}
.btn-cta:hover{background:var(--c-accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-cta:hover i{transform:translateX(2px)}
.btn-cta:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-m);
  border:1px solid var(--c-primary);color:var(--c-primary);
  font-size:15px;font-weight:600;background:transparent;
  transition:background .16s ease-out,transform .16s ease-out;
}
.btn-outline:hover{background:var(--c-primary-100);transform:translateY(-1px)}
.btn-block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  transition:color .16s;
}
.link-arrow i{font-size:12px;transition:transform .18s ease-out}
.link-arrow:hover{color:var(--c-accent-600)}
.link-arrow:hover i{transform:translateX(2px)}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--c-primary-700)}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  background-image:url("/assets/images/backpic/back-2.webp");
}
.page-hero .hero-scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,52,44,.70),rgba(10,52,44,.68));
}
.page-hero .hero-inner{position:relative;z-index:2;padding:64px 0 58px;color:#fff}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:20px}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{opacity:.5}
.crumb .now{color:rgba(255,255,255,.95)}
.page-hero h1{
  font-size:clamp(26px,3.6vw,42px);color:#fff;max-width:900px;
}
.page-hero .hero-sub{
  margin-top:18px;max-width:760px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:6px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.92);
}
.hero-tags i{font-size:11px;color:var(--c-accent)}

/* 锚点导航 */
.anchor-nav{
  position:sticky;top:72px;z-index:40;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
}
.anchor-nav .shell{
  display:flex;gap:10px;overflow-x:auto;
  padding-top:12px;padding-bottom:12px;
  scrollbar-width:none;
}
.anchor-nav .shell::-webkit-scrollbar{display:none}
.anchor-nav a{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  padding:8px 15px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:14px;font-weight:500;
  transition:background .16s,color .16s;
}
.anchor-nav a:hover{background:var(--c-primary);color:#fff}

/* ============ 板块 ============ */
.section{padding:var(--sp-section) 0}
.section-sm{padding:56px 0}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--c-ink)}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--c-ink-2)}

/* 双列 + 侧栏布局 */
.layout-side{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;align-items:start;
}
.stack > * + *{margin-top:72px}
.side-col{position:sticky;top:132px;display:grid;gap:20px}

/* ============ 卡片 ============ */
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.22)}
.card-media{aspect-ratio:16/9;background:var(--c-primary-100);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:12.5px;font-weight:600;
}
.card-body h3{font-size:18px;margin-top:12px;color:var(--c-ink)}
.card-body p{font-size:14.5px;line-height:1.78;color:var(--c-ink-2);margin-top:10px}
.card-body .link-arrow{margin-top:auto;padding-top:16px}

/* ============ 步骤清单 ============ */
.steps{margin-top:8px;border-top:1px solid var(--c-line)}
.step{
  display:grid;grid-template-columns:44px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.step-no{
  width:44px;height:44px;border-radius:var(--r-s);
  background:var(--c-accent);color:#1A1405;
  display:grid;place-items:center;font-size:15px;font-weight:700;
}
.step h3{font-size:17px;color:var(--c-ink)}
.step p{margin-top:8px;font-size:14.5px;line-height:1.78;color:var(--c-ink-2)}

/* ============ 说明列表 ============ */
.info-list{margin-top:8px;border-top:1px solid var(--c-line)}
.info-row{
  display:grid;grid-template-columns:170px minmax(0,1fr);gap:24px;
  padding:18px 0;border-bottom:1px solid var(--c-line);
}
.info-row dt{font-size:14.5px;font-weight:600;color:var(--c-primary)}
.info-row dd{font-size:14.5px;line-height:1.78;color:var(--c-ink-2)}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;color:var(--c-ink);display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-accent)}
.side-note{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--c-ink-2)}
.field{display:block;margin-top:14px}
.field span{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px}
.field input{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-s);
  background:var(--c-surface);color:var(--c-ink);font-size:15px;
  transition:border-color .16s,box-shadow .16s;
}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-100)}
.entry-card .btn-cta{margin-top:18px}
.form-tip{display:none;margin-top:12px;font-size:13px;color:var(--c-ok)}
.form-tip.is-on{display:block}
.side-links{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line)}
.side-links li + li{margin-top:10px}
.side-links a{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:var(--c-ink-2);transition:color .16s}
.side-links a i{font-size:12px;color:var(--c-primary)}
.side-links a:hover{color:var(--c-primary)}
.privacy-note{margin-top:14px;font-size:12.5px;line-height:1.65;color:var(--c-ink-3)}

.side-cats li + li{border-top:1px solid var(--c-line)}
.side-cats a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--c-ink-2);transition:color .16s;
}
.side-cats a i{font-size:11px;color:var(--c-ink-3);transition:transform .18s ease-out}
.side-cats a:hover{color:var(--c-primary)}
.side-cats a:hover i{transform:translateX(2px);color:var(--c-primary)}
.side-cats .is-current a{color:var(--c-primary);font-weight:600}

.side-facts li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.side-facts li:last-child{border-bottom:0;padding-bottom:0}
.side-facts i{font-size:14px;color:var(--c-primary);margin-top:4px}
.side-facts strong{display:block;font-size:14px;color:var(--c-ink)}
.side-facts span{display:block;font-size:13px;color:var(--c-ink-2);margin-top:2px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);overflow:hidden;margin-bottom:12px;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-header{margin:0;font-size:16px}
.accordion-button{
  width:100%;min-height:60px;padding:18px 22px;
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);color:var(--c-ink);
  font-size:16px;font-weight:500;text-align:left;
  box-shadow:none;border:0;border-radius:0;
  transition:background .16s,color .16s;
}
.accordion-button:not(.collapsed){background:var(--c-primary-100);color:var(--c-primary);box-shadow:none}
.accordion-button:focus{box-shadow:none;border:0;outline:none}
.accordion-button:hover{color:var(--c-primary)}
.accordion-button::after{display:none}
.faq-ico{
  margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-100);color:var(--c-primary);
  display:grid;place-items:center;font-size:11px;
  transition:transform .2s ease-out,background .16s;
}
.accordion-button:not(.collapsed) .faq-ico{background:var(--c-primary);color:#fff;transform:rotate(45deg)}
.accordion-body{
  padding:4px 22px 22px;font-size:14.5px;line-height:1.85;color:var(--c-ink-2);
  background:var(--c-primary-100);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-primary-700);color:#fff;
  border-radius:var(--r-l);padding:40px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  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:36px 36px;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(20px,2.3vw,26px);color:#fff}
.cta-band p{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.14)}
.privacy-line{margin-top:16px;font-size:12.5px;color:var(--c-ink-3);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-700);color:rgba(255,255,255,.82);
  margin-top:var(--sp-section);padding-top:64px;
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-brand svg{width:34px;height:34px;flex:none}
.site-footer p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:16px;letter-spacing:.05em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.82);transition:color .16s}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.75);line-height:1.7}
.footer-contact i{margin-top:5px;font-size:13px;color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .mega-panel{width:700px}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .main-nav,.mega{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{gap:16px}
  .layout-side{grid-template-columns:1fr;gap:36px}
  .side-col{position:static}
  .stack > * + *{margin-top:56px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .anchor-nav{top:72px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .shell{padding:0 20px}
  .page-hero .hero-inner{padding:48px 0 44px}
  .two-col{grid-template-columns:1fr}
  .info-row{grid-template-columns:1fr;gap:8px}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .cta-actions{width:100%}
  .cta-actions .btn-cta,.cta-actions .btn-outline{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:520px){
  .shell{padding:0 16px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:30px;height:30px}
  .page-hero h1{font-size:26px}
  .hero-tags span{font-size:12.5px;padding:5px 11px}
  .card-body{padding:18px}
  .step{grid-template-columns:38px 1fr;gap:14px}
  .step-no{width:38px;height:38px;font-size:14px}
  .accordion-button{padding:16px 16px;font-size:15.5px}
  .accordion-body{padding:2px 16px 18px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F4C3F;
  --c-primary-700:#0A342C;
  --c-primary-100:#E6F0EC;
  --c-accent:#F5A524;
  --c-accent-600:#D98A0C;
  --c-bg:#F5F8F6;
  --c-surface:#FFFFFF;
  --c-line:#DCE6E1;
  --c-ink:#101B17;
  --c-ink-2:#4A5A55;
  --c-ink-3:#7C8B86;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,23,.06);
  --sh-2:0 10px 28px -10px rgba(16,27,23,.14);
  --sh-3:0 28px 56px -28px rgba(15,76,63,.30);
  --shell:1200px;
  --gap:24px;
  --sec:96px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
a:hover{color:var(--c-primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink)}
p{margin:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid var(--c-primary-100);outline-offset:2px;border-radius:var(--r-s)}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.section--mint{background:var(--c-primary-100)}
.section--dark{background:var(--c-primary-700);color:#fff}
.section--dark h2,.section--dark h3{color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-100);border-radius:var(--r-pill);
  padding:6px 14px;letter-spacing:.02em;
}
.eyebrow i{color:var(--c-accent)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{font-size:clamp(24px,3vw,34px)}
.sec-head p{margin-top:16px;color:var(--c-ink-2);font-size:16px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink)}
.brand:hover .brand-text{color:var(--c-primary)}

.main-nav ul{display:flex;align-items:center;gap:28px}
.main-nav a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.mega{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-100);border:1px solid transparent;border-radius:var(--r-m);
  cursor:pointer;transition:background-color .18s ease-out,transform .18s ease-out;
}
.mega-btn:hover{background:#d8e9e1}
.mega-btn[aria-expanded="true"]{background:#d8e9e1}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:760px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
  z-index:120;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-col h4{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:14px}
.mega-col ul li + li{margin-top:10px}
.mega-col a{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.mega-col a i{font-size:12px;color:var(--c-primary)}
.mega-col a:hover{color:var(--c-primary)}
.mega-card{
  border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;background:var(--c-bg);
}
.mega-card img{width:100%;height:96px}
.mega-card .mega-card-body{padding:14px}
.mega-card p{font-size:13px;color:var(--c-ink-2);line-height:1.6;margin-bottom:12px}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-m);
  background:#fff;color:var(--c-primary);font-size:16px;cursor:pointer;
}

/* buttons */
.btn-main,.btn-ghost,.btn-text,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:var(--r-m);
  cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
}
.btn-main{
  height:48px;padding:0 24px;background:var(--c-accent);color:#22160A;
  box-shadow:var(--sh-1);
}
.btn-main:hover{background:var(--c-accent-600);color:#22160A;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  height:48px;padding:0 24px;border-color:rgba(255,255,255,.5);color:#fff;background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.btn-light{
  height:48px;padding:0 24px;background:#fff;color:var(--c-primary);border-color:#fff;
}
.btn-light:hover{background:var(--c-primary-100);color:var(--c-primary)}
.btn-text{
  height:auto;padding:0;background:none;border:none;color:var(--c-primary);font-weight:600;
}
.btn-text i{transition:transform .18s ease-out}
.btn-text:hover i{transform:translateX(2px)}

/* hero */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(10,52,44,.86),rgba(10,52,44,.68)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:72px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(to bottom,rgba(245,248,246,0),var(--c-bg));
  pointer-events:none;
}
.page-hero .crumb{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.page-hero .crumb a{color:rgba(255,255,255,.72)}
.page-hero .crumb a:hover{color:var(--c-accent)}
.page-hero .crumb span.sep{opacity:.6}
.page-hero .crumb .current{color:#fff}
.page-hero h1{
  position:relative;z-index:2;
  font-size:clamp(28px,3.6vw,44px);color:#fff;max-width:900px;
}
.page-hero .hero-lead{
  position:relative;z-index:2;
  margin-top:20px;max-width:760px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);
}
.hero-tags{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22);
}
.hero-tags i{color:var(--c-accent);font-size:12px}

/* anchor bar */
.anchor-bar{
  position:sticky;top:72px;z-index:80;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.anchor-bar .anchor-track{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-bar .anchor-track::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;font-size:14px;font-weight:500;color:var(--c-ink-2);
  padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  white-space:nowrap;
}
.anchor-bar a:hover,.anchor-bar a:focus-visible{
  color:var(--c-primary);border-color:rgba(15,76,63,.3);background:var(--c-primary-100);
}

/* qa blocks */
.qa-wrap{max-width:1020px;margin:0 auto}
.qa-item{
  display:grid;grid-template-columns:1fr;gap:14px;
  padding:28px 0;border-top:1px solid var(--c-line);
}
.qa-item:first-of-type{border-top:1px solid var(--c-line)}
.qa-item h3{
  position:relative;font-size:20px;padding-left:16px;
}
.qa-item h3::before{
  content:"";position:absolute;left:0;top:6px;bottom:4px;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.qa-item p{color:var(--c-ink-2);font-size:15.5px;line-height:1.9}
.qa-item .qa-note{
  display:inline-flex;align-items:flex-start;gap:8px;
  margin-top:4px;font-size:14px;color:var(--c-ink-3);
}
.qa-item .qa-note i{color:var(--c-accent);margin-top:4px}

@media (min-width:992px){
  .qa-item{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;padding:32px 0}
}

/* split media block */
.split{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.split-media img{width:100%;aspect-ratio:4/3;border-radius:var(--r-l);box-shadow:var(--sh-2);background:var(--c-primary-100)}
.split-body p{color:var(--c-ink-2);margin-top:16px}
.mini-list{margin-top:22px;display:grid;gap:12px}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--c-ink-2);
}
.mini-list li i{color:var(--c-primary);margin-top:6px;font-size:13px}
@media (min-width:992px){
  .split{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px}
  .split.is-reverse .split-media{order:2}
}

/* dl list */
.dl-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:8px 28px;
}
.dl-list{margin:0}
.dl-list .dl-row{
  display:grid;grid-template-columns:1fr;gap:8px;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.dl-list .dl-row:last-child{border-bottom:none}
.dl-list dt{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.dl-list dt i{color:var(--c-accent);font-size:14px}
.dl-list dd{margin:0;color:var(--c-ink-2);font-size:15px;line-height:1.85}
@media (min-width:768px){
  .dl-list .dl-row{grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
}

/* signal cards */
.grid-3{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,76,63,.22)}
.card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--c-accent);color:#22160A;
  font-size:15px;font-weight:700;margin-bottom:18px;
}
.card h3{font-size:19px;margin-bottom:12px}
.card p{color:var(--c-ink-2);font-size:15px}
.card .card-tag{
  display:inline-block;margin-top:18px;font-size:12.5px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-100);
  padding:4px 12px;border-radius:var(--r-pill);
}

/* accordion */
.acc-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-m)!important;
  background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  width:100%;height:60px;padding:0 22px;
  font-size:16px;font-weight:500;color:var(--c-ink);
  background:#fff;box-shadow:none!important;border:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.accordion-button:not(.collapsed){background:var(--c-primary-100);color:var(--c-primary)}
.accordion-button::after{
  content:"+";background-image:none!important;
  font-size:22px;font-weight:400;line-height:1;
  display:flex;align-items:center;justify-content:center;
  width:24px;height:24px;transform:none!important;color:var(--c-primary);
}
.accordion-button:not(.collapsed)::after{content:"−"}
.accordion-body{padding:6px 22px 24px;color:var(--c-ink-2);font-size:15px;line-height:1.85;background:#fff}

/* CTA band */
.cta-band{
  background:var(--c-primary-700);color:#fff;border-radius:var(--r-l);
  padding:48px 40px;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:36px 36px;pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{color:rgba(255,255,255,.78);margin-top:14px;font-size:15.5px;max-width:620px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
.privacy-note{
  margin-top:18px;font-size:13px;line-height:1.7;color:var(--c-ink-3);
  display:flex;gap:8px;align-items:flex-start;
}
.privacy-note i{color:var(--c-primary);margin-top:5px}
@media (min-width:992px){
  .cta-band{grid-template-columns:minmax(0,1fr) auto;padding:56px 56px}
}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,26,22,.55);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;z-index:118;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);
  background:#fff;z-index:120;padding:26px 24px 36px;overflow-y:auto;
  transform:translateX(105%);transition:transform .22s ease-out;
  box-shadow:var(--sh-3);
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.mobile-drawer .drawer-head span{font-size:15px;font-weight:600;color:var(--c-primary)}
.mobile-drawer .drawer-close{
  width:38px;height:38px;border-radius:var(--r-s);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);cursor:pointer;
}
.mobile-drawer nav ul li + li{margin-top:6px}
.mobile-drawer nav a{
  display:block;padding:12px 0;font-size:15px;font-weight:500;
  color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.mobile-drawer nav a.active{color:var(--c-primary);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:26px}
.mobile-drawer .drawer-tip{
  margin-top:22px;font-size:13px;color:var(--c-ink-3);line-height:1.7;
}

/* footer */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand svg{width:34px;height:34px}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:420px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.62);margin-bottom:18px}
.footer-col ul li + li{margin-top:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.82)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.78)}
.footer-contact i{margin-top:5px;color:var(--c-accent);font-size:13px}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
}

.breadcrumb,.breadcrumb-item{background:none;padding:0;margin:0}

@media (max-width:1199.98px){
  :root{--sec:80px}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .main-nav{display:none}
  .mega{display:none}
  .nav-toggle{display:inline-flex}
  .mega-panel{display:none}
  .page-hero{padding:56px 0 52px}
}
@media (max-width:767.98px){
  :root{--sec:56px;--gap:16px}
  .shell{padding:0 16px}
  .header-inner{height:64px}
  .brand-text{font-size:15.5px}
  .anchor-bar{top:64px}
  .sec-head{margin-bottom:32px}
  .dl-panel{padding:4px 20px}
  .cta-band{padding:36px 24px}
}
@media (max-width:519.98px){
  .page-hero h1{font-size:27px}
  .page-hero .hero-lead{font-size:15px}
  .btn-main,.btn-ghost,.btn-light{width:100%}
  .cta-actions{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}