/* roulang page: index */
:root{
  --brand:#1F5F55;
  --brand-dark:#17463F;
  --brand-soft:#E4EDE9;
  --amber:#E08A3C;
  --amber-dark:#C97A25;
  --amber-soft:#FBEFE1;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --ink:#14231F;
  --text:#1D2A26;
  --text-2:#5A6660;
  --text-3:#8B948E;
  --line:#E8E5DD;
  --line-2:#E3E0D8;
  --ok:#2F7A5E;
  --warn:#C97A25;
  --err:#B4443A;
  --r-lg:16px;
  --r-md:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(29,42,38,.05);
  --sh-2:0 16px 36px -20px rgba(29,42,38,.30);
  --sh-dock:0 10px 30px -12px rgba(29,42,38,.18);
  --ease:.28s ease;
}
:root{
  --bs-primary:#1F5F55;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1D2A26;
  --bs-border-radius:16px;
  --bs-link-color:#1F5F55;
  --bs-link-hover-color:#17463F;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),transform var(--ease),background var(--ease)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
button{font-family:inherit;cursor:pointer}
[id]{scroll-margin-top:120px}
.wrap{width:min(1240px,calc(100% - 32px));margin:0 auto}
.section{padding:96px 0}
.section--tight{padding:80px 0}
.section--soft{background:var(--brand-soft)}
.section--dark{background:var(--ink);color:#F3F1EC}
.prose{max-width:760px}
p{margin-bottom:1em}
p:last-child{margin-bottom:0}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:600;
  line-height:1.35;
  margin-bottom:14px;
}
.sec-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--amber);
}
.sec-head p{color:var(--text-2);font-size:16px;max-width:720px;margin:0}
.section--dark .sec-head h2{color:#F3F1EC}
.section--dark .sec-head p{color:#A9B7B0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:sticky;top:16px;z-index:1030;
  width:min(1120px,calc(100% - 32px));
  margin:18px auto 0;
  display:flex;align-items:center;gap:20px;
  padding:12px 18px;
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:padding var(--ease),box-shadow var(--ease),background var(--ease);
}
.dock.is-scrolled{padding:8px 18px;box-shadow:0 14px 34px -14px rgba(29,42,38,.28);background:rgba(255,255,255,.95)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-size:18px;font-weight:700;color:var(--brand);white-space:nowrap}
.logo svg{width:28px;height:28px;flex:0 0 auto}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.dock-nav a{
  position:relative;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-2);
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.dock-nav a.active{color:var(--brand);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:2px;background:var(--brand);
}
.dock-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-2);color:var(--text-2);
  transition:var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.icon-btn:focus-visible{outline:3px solid rgba(31,95,85,.28);outline-offset:2px}
.btn-main,.btn-ghost,.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);font-size:16px;font-weight:600;
  padding:12px 22px;border:1.5px solid transparent;
  transition:var(--ease);
}
.btn-main{background:var(--brand);color:#fff}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(23,70,63,.6)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-main:focus-visible{outline:3px solid rgba(31,95,85,.28);outline-offset:2px}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-ghost:focus-visible{outline:3px solid rgba(31,95,85,.28);outline-offset:2px}
.btn-amber{background:var(--amber);color:#2A1907}
.btn-amber:hover{background:var(--amber-dark);color:#2A1907;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(201,122,37,.6)}
.dock .btn-main{padding:10px 18px;font-size:15px}
.dock-search{display:none;flex:1;max-width:280px}
.dock-search.open{display:block}
.dock-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);background:#fff;
  padding:0 18px;font-size:15px;color:var(--text);
}
.dock-search input::placeholder{color:var(--text-3)}
.dock-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,85,.16)}
.dock-toggle{display:none}
.drawer{
  position:fixed;inset:0;z-index:1040;background:var(--bg);
  display:none;flex-direction:column;padding:22px 20px 28px;
}
.drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  font-size:20px;line-height:56px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;display:grid;gap:12px}
.drawer-cta .btn-main{width:100%;padding:14px 22px}

/* ============ Hero ============ */
.hero{padding:64px 0 96px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(30px,4.1vw,50px);
  font-weight:700;line-height:1.28;margin:18px 0 18px;
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--text-2);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:40px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line-2)}
.trust-item .num{font-size:28px;font-weight:700;color:var(--amber);line-height:1.2;display:block}
.trust-item .lab{font-size:14px;color:var(--text-2)}
.hero-visual{position:relative}
.hero-visual>img{
  width:100%;aspect-ratio:4/3.3;object-fit:cover;
  border-radius:var(--r-lg);background:var(--brand-soft);box-shadow:var(--sh-2);
}
.hero-float{
  position:absolute;right:-14px;bottom:-22px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:0 20px 36px -20px rgba(29,42,38,.42);
}
.hero-float img{width:52px;height:52px;object-fit:cover;border-radius:10px;background:var(--brand-soft)}
.hero-float .cap{font-size:12px;color:var(--text-3);display:block;line-height:1.5}
.hero-float .val{font-size:15px;font-weight:600;color:var(--text);display:block;line-height:1.5}

/* ============ 价值主张 ============ */
.value-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-2)}
.value-item{padding:34px 32px 6px;border-right:1px solid var(--line-2)}
.value-item:last-child{border-right:none}
.value-item .no{font-size:14px;font-weight:700;color:var(--amber);letter-spacing:1px;display:block;margin-bottom:12px}
.value-item h3{font-size:20px;font-weight:600;margin-bottom:10px}
.value-item p{font-size:16px;color:var(--text-2);margin:0}

/* ============ 功能分组 ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line-2)}
.feature-row:last-child{border-bottom:none;padding-bottom:0}
.feature-row:first-child{padding-top:0}
.feature-row.flip .feature-media{order:2}
.feature-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);background:var(--brand-soft);box-shadow:var(--sh-2);
}
.feature-body h3{font-size:22px;font-weight:600;margin-bottom:12px}
.feature-body .lead{color:var(--text-2);margin-bottom:24px}
.feature-list{display:grid;gap:18px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list .ic{
  flex:0 0 auto;width:24px;height:24px;margin-top:5px;
  color:var(--brand);
}
.feature-list .tt{font-size:16px;font-weight:600;display:block;margin-bottom:2px}
.feature-list .dd{font-size:15px;color:var(--text-2);line-height:1.75}

/* ============ 使用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.scene-card .pic{overflow:hidden;background:var(--brand-soft)}
.scene-card .pic img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.scene-card:hover .pic img{transform:scale(1.03)}
.scene-card .body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1}
.scene-card h3{font-size:19px;font-weight:600}
.scene-card p{font-size:15px;color:var(--text-2);line-height:1.75;margin:0}
.scene-card .more{margin-top:auto;font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.scene-card .more:hover{gap:10px}

/* ============ 场景成效 ============ */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.case-col{display:grid;gap:24px;align-content:start}
.case-lead{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:380px;
  display:flex;align-items:flex-end;background:var(--ink);
}
.case-lead img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.case-lead .inner{position:relative;padding:36px;color:#F3F1EC;max-width:520px}
.case-lead h3{font-size:24px;font-weight:600;line-height:1.45;margin:14px 0 12px}
.case-lead p{color:#D8E0DB;font-size:16px;margin:0}
.case-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;min-height:178px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.case-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case-mini h3{font-size:19px;font-weight:600;line-height:1.5}
.case-mini p{font-size:15px;color:var(--text-2);margin:0;line-height:1.75}
.badge-num{font-size:30px;font-weight:700;color:var(--amber);line-height:1.2}
.badge-num small{font-size:14px;font-weight:500;color:var(--text-2);margin-left:6px}
.pill{
  display:inline-block;font-size:14px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);
  border-radius:var(--r-pill);padding:4px 12px;
}
.pill-amber{color:#8A4E13;background:var(--amber-soft)}
.section--dark .pill{background:rgba(228,237,233,.16);color:#9BD0BE}

/* ============ 最新发布 ============ */
.news-panel{
  background:var(--brand-soft);
  border:1px solid #D6E4DE;border-radius:20px;
  padding:40px;
}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.news-head h2{
  position:relative;padding-left:18px;
  font-size:clamp(22px,2.3vw,28px);font-weight:600;line-height:1.4;
}
.news-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--amber);
}
.news-head .link-more{font-size:15px;font-weight:600;white-space:nowrap}
.news-lead{
  display:grid;grid-template-columns:5fr 7fr;gap:28px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);margin-bottom:8px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-lead-media{overflow:hidden;background:var(--brand-soft);min-height:230px}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.news-lead-body{padding:28px 30px 26px;display:flex;flex-direction:column;gap:12px}
.news-lead-body h3{font-size:21px;font-weight:600;line-height:1.5}
.news-lead-body h3 a{color:var(--text)}
.news-lead-body h3 a:hover{color:var(--brand)}
.news-lead-body p{font-size:15.5px;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:16px;font-size:14px;color:var(--text-3)}
.news-meta a{font-weight:600;font-size:15px}
.news-row{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  padding:20px 6px;border-bottom:1px solid #D6E4DE;
}
.news-row:last-of-type{border-bottom:none}
.news-row h3{font-size:17px;font-weight:600;line-height:1.6}
.news-row h3 a{color:var(--text)}
.news-row h3 a:hover{color:var(--brand)}
.news-row p{
  font-size:14.5px;color:var(--text-2);margin:4px 0 0;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row .side{display:flex;align-items:center;gap:14px;font-size:14px;color:var(--text-3);white-space:nowrap}
.news-empty{
  background:#fff;border:1px dashed #C6D6D0;border-radius:var(--r-lg);
  padding:34px;text-align:center;color:var(--text-2);font-size:16px;
}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.price-card.featured{border:2px solid var(--brand);transform:translateY(-8px);box-shadow:0 26px 50px -30px rgba(29,42,38,.5)}
.price-card .tag{
  position:absolute;top:-13px;left:28px;
  background:var(--amber);color:#2A1907;font-size:13px;font-weight:700;
  border-radius:var(--r-pill);padding:3px 12px;
}
.price-card h3{font-size:20px;font-weight:600;margin-bottom:6px}
.price-card .desc{font-size:14.5px;color:var(--text-2);margin-bottom:18px}
.price-card .amount{font-size:34px;font-weight:700;color:var(--brand);line-height:1.2}
.price-card .amount small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px}
.price-lines{display:grid;gap:12px;margin:22px 0 26px}
.price-lines li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7}
.price-lines i{color:var(--ok);margin-top:5px;font-size:13px}
.price-card .btn-main,.price-card .btn-ghost{width:100%}

/* ============ FAQ ============ */
.faq{max-width:880px}
.faq .accordion-item{
  border:none;border-radius:var(--r-lg);overflow:hidden;background:#fff;
  margin-bottom:12px;box-shadow:var(--sh-1);
}
.faq .accordion-button{
  position:relative;width:100%;text-align:left;border:none;
  font-size:17px;font-weight:600;color:var(--text);
  padding:20px 22px;background:#fff;box-shadow:none;
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:0 2px 2px 0;background:transparent;transition:var(--ease);
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:#fff}
.faq .accordion-button:not(.collapsed)::before{background:var(--amber)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(31,95,85,.16);z-index:2}
.faq .accordion-button::after{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--line-2);margin-left:auto;background-size:14px;
  background-repeat:no-repeat;background-position:center;transform:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M7 1v12M1 7h12' stroke='%235A6660' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
}
.faq .accordion-button:not(.collapsed)::after{
  border-color:var(--brand);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M1 7h12' stroke='%231F5F55' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
}
.faq .accordion-body{padding:0 22px 22px;font-size:16px;color:var(--text-2);line-height:1.85}

/* ============ 底部 CTA ============ */
.cta-bar{background:var(--ink);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:600;color:#F3F1EC;line-height:1.45;max-width:620px}
.cta-inner p{color:#A9B7B0;font-size:16px;margin:10px 0 0;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.footer{background:var(--ink);color:#B9C5BF;padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer .logo{color:#F3F1EC;margin-bottom:16px}
.footer .logo svg path{stroke:#8FC7B6}
.footer .about{font-size:14.5px;line-height:1.9;color:#93A29B;max-width:340px}
.footer h4{font-size:15px;font-weight:600;color:#F3F1EC;margin-bottom:16px}
.footer-links a{display:block;font-size:14px;line-height:2.1;color:#B9C5BF}
.footer-links a:hover{color:#8FC7B6;transform:translateX(2px)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13.5px;color:#8B9A93;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  body{font-size:16px;line-height:1.9}
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .dock .btn-main{display:none}
  .section{padding:72px 0}
  .hero{padding:44px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual>img{aspect-ratio:16/10}
  .hero-float{right:12px;bottom:-18px}
  .value-row{grid-template-columns:1fr;border-top:none}
  .value-item{border-right:none;border-top:1px solid var(--line-2);padding:26px 0 4px}
  .value-item:first-child{border-top:1px solid var(--line-2);padding-top:0;border-top:none}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .feature-row.flip .feature-media{order:0}
  .scene-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .case-grid{grid-template-columns:1fr}
  .case-lead{min-height:300px}
  .price-grid{grid-template-columns:1fr;gap:28px}
  .price-card.featured{transform:none;order:-1}
  .news-panel{padding:26px}
  .news-lead{grid-template-columns:1fr}
  .news-lead-media{min-height:190px;max-height:220px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer .about{max-width:none}
}
@media (max-width:575.98px){
  .wrap{width:calc(100% - 32px)}
  .dock{width:calc(100% - 24px);padding:10px 14px;gap:12px}
  .logo{font-size:16px}
  .logo svg{width:24px;height:24px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .trust-row{gap:24px}
  .trust-item .num{font-size:24px}
  .scene-grid{grid-template-columns:1fr}
  .news-head{flex-direction:column;align-items:flex-start;gap:8px}
  .news-row{grid-template-columns:1fr;gap:8px}
  .news-row .side{gap:10px}
  .faq .accordion-button{font-size:16px;padding:16px}
  .faq .accordion-body{padding:0 16px 18px}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer{padding:56px 0 22px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand:#1F5F55;
  --brand-dark:#17463F;
  --brand-soft:#E4EDE9;
  --amber:#E08A3C;
  --amber-dark:#C97A25;
  --amber-soft:#FBEFE1;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --dark:#14231F;
  --ink:#1D2A26;
  --ink-2:#5A6660;
  --ink-3:#8B948E;
  --on-dark:#F3F1EC;
  --line:#E3E0D8;
  --line-card:#E8E5DD;
  --success:#2F7A5E;
  --warn:#C97A25;
  --danger:#B4443A;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(29,42,38,.05);
  --sh-2:0 16px 36px -20px rgba(29,42,38,.30);
  --sh-dock:0 10px 30px -12px rgba(29,42,38,.18);
  --t:.35s ease;
  --bs-primary:#1F5F55;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1D2A26;
  --bs-border-color:#E3E0D8;
  --bs-border-radius:10px;
  --bs-link-color:#1F5F55;
  --bs-link-hover-color:#17463F;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);line-height:1.35}
h1{font-size:clamp(28px,4vw,46px);font-weight:700;line-height:1.28}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:20px;line-height:1.45}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
[ id ]{scroll-margin-top:120px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--soft{background:var(--brand-soft)}
.section--dark{background:var(--dark);color:var(--on-dark)}
.section--dark h2,.section--dark h3{color:var(--on-dark)}
.lead{color:var(--ink-2);font-size:17px;line-height:1.85;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--amber)}
.sec-head .more{font-size:15px;color:var(--brand);border-bottom:1px dashed rgba(31,95,85,.5);padding-bottom:2px}
.sec-head .more:hover{border-bottom-style:solid}

/* ---------- Dock 导航 ---------- */
.dock-header{position:sticky;top:16px;z-index:1030;padding:0 0 8px}
.dock-shell{
  width:min(1120px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;gap:20px;
  height:72px;padding:0 18px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line-card);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:height var(--t),box-shadow var(--t);
}
.dock-shell.shrink{height:60px;box-shadow:0 14px 34px -14px rgba(29,42,38,.28)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand);white-space:nowrap}
.logo svg{width:28px;height:28px;flex:0 0 28px}
.logo:hover{color:var(--brand-dark)}
.dock-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex:1;min-width:0}
.dock-nav{display:flex;align-items:center;gap:4px}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;font-size:15px;color:var(--ink-2);border-radius:var(--r-btn);
  transition:color var(--t),background var(--t);
}
.dock-nav a:hover{color:var(--brand);background:rgba(31,95,85,.06)}
.dock-nav a.active{color:var(--brand);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:4px;width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);color:var(--ink-2);
  cursor:pointer;transition:all var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(31,95,85,.4);background:var(--brand-soft)}
.search-box{display:none;align-items:center;gap:8px}
.search-box.open{display:flex}
.search-box input{
  height:40px;width:190px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);font-size:15px;color:var(--ink);background:#fff;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,85,.18)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:600;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;transition:all var(--t);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:var(--sh-1)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-amber{background:var(--amber);color:#26201A;font-weight:700}
.btn-amber:hover{background:var(--amber-dark);color:#1D1A15;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn:focus-visible,.icon-btn:focus-visible,.dock-nav a:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(31,95,85,.28);
}
.dock-toggle{display:none}
.dock-drawer{
  display:none;position:fixed;inset:0;z-index:1040;background:var(--bg);
  padding:88px 20px 24px;overflow-y:auto;
}
.dock-drawer.open{display:block}
.dock-drawer a{
  display:flex;align-items:center;height:56px;font-size:20px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.dock-drawer a.active{color:var(--brand);font-weight:600}
.dock-drawer .drawer-cta{margin-top:28px}

/* ---------- 面包屑 ---------- */
.crumb{padding:28px 0 0;font-size:14px;color:var(--ink-2)}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:var(--ink-3)}
.crumb .now{color:var(--brand)}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:32px 0 0}
.cat-hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  background:var(--surface);border:1px solid var(--line-card);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:44px;overflow:hidden;min-height:320px;
}
.cat-hero h1{margin:14px 0 16px}
.cat-hero h1 .hl{color:var(--brand)}
.cat-hero .sub{font-size:17px;color:var(--ink-2);max-width:600px;margin-bottom:26px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px}
.hero-stats .num{font-size:28px;font-weight:700;color:var(--amber);line-height:1.2}
.hero-stats .lab{font-size:14px;color:var(--ink-2)}
.cat-hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--brand-soft);aspect-ratio:4/3}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(20,35,31,.78);color:#F3F1EC;
  font-size:13px;padding:8px 14px;border-radius:var(--r-pill);backdrop-filter:blur(6px);
}

/* ---------- 总述 ---------- */
.overview-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.overview-grid .side{padding-top:6px}
.overview-grid .side h2{padding-left:16px;position:relative}
.overview-grid .side h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--amber)}
.overview-grid .side .note{margin-top:18px;font-size:15px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line-card);border-radius:var(--r-card);padding:20px}
.overview-grid .side .note strong{color:var(--brand)}

/* ---------- 图文小节 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.split.reverse{grid-template-columns:5fr 7fr}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.split + .split{margin-top:72px}
.split-media{border-radius:var(--r-card);overflow:hidden;background:var(--brand-soft);aspect-ratio:4/3;box-shadow:var(--sh-1)}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.split-media:hover img{transform:scale(1.03)}
.split-body h3{font-size:22px;margin-bottom:12px}
.split-body .kicker{font-size:13px;font-weight:600;color:var(--amber);letter-spacing:.02em;margin-bottom:10px}
.point-list{margin-top:20px;display:grid;gap:14px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--ink-2)}
.point-list i{color:var(--brand);margin-top:6px;font-size:14px}
.point-list strong{color:var(--ink);font-weight:600}

/* ---------- 卡片组 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line-card);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(31,95,85,.28)}
.card h3{margin-bottom:10px;font-size:19px}
.card p{color:var(--ink-2);font-size:15.5px}
.card .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{
  display:inline-flex;align-items:center;font-size:13px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
}
.badge.amber{background:var(--amber-soft);color:var(--amber-dark)}
.badge.plain{background:#F1EFE9;color:var(--ink-2)}

/* ---------- 对照表卡 ---------- */
.spec-wrap{background:var(--surface);border:1px solid var(--line-card);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.spec-row{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:18px;padding:20px 26px;border-bottom:1px solid var(--line);transition:background var(--t)}
.spec-row:last-child{border-bottom:none}
.spec-row:hover{background:#FBFAF6}
.spec-row.head{background:var(--brand-soft);font-size:15px;font-weight:600;color:var(--brand)}
.spec-row .name{font-weight:600;color:var(--ink)}
.spec-row .desc{color:var(--ink-2);font-size:15.5px}
.spec-row .state{font-size:15px;color:var(--ink-2)}
.spec-row .state .ok{color:var(--success);font-weight:600}
.spec-row .state .warn{color:var(--warn);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line-card);border-radius:var(--r-card);overflow:hidden;transition:box-shadow var(--t),border-color var(--t)}
.faq-item.open{box-shadow:var(--sh-2);border-color:rgba(31,95,85,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:20px 24px;font-size:17px;font-weight:600;
  color:var(--ink);cursor:pointer;position:relative;transition:color var(--t);
}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--amber)}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);font-size:13px;
  transition:transform var(--t),background var(--t);
}
.faq-item.open .faq-icon{background:var(--brand-soft);transform:rotate(180deg)}
.faq-a{display:none;padding:0 24px 22px;color:var(--ink-2);font-size:16px}
.faq-item.open .faq-a{display:block}

/* ---------- 入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line-card);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.entry-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.entry-card:hover .thumb img{transform:scale(1.03)}
.entry-card .body{padding:22px 24px 26px}
.entry-card h3{font-size:19px;margin-bottom:10px}
.entry-card p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px}
.entry-card .go{font-size:15px;color:var(--brand);font-weight:600}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--dark);color:var(--on-dark);padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:var(--on-dark);font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-inner p{color:#C6CFC9;max-width:640px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:var(--on-dark);padding:72px 0 28px;margin-top:0}
.footer .wrap{max-width:1240px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(243,241,236,.14)}
.footer .logo{color:#8FC7B6;font-size:18px;font-weight:700;margin-bottom:16px}
.footer h4{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:16px}
.footer .about{font-size:14px;line-height:1.9;color:#AEB8B2;max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  font-size:14px;line-height:2.1;color:#C6CFC9;transition:color var(--t),transform var(--t);
  display:inline-block;
}
.footer-links a:hover{color:#8FC7B6;transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:#8E9A94;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-hero-grid{gap:40px;padding:36px}
}
@media (max-width:991px){
  body{font-size:16px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;padding:28px}
  .cat-hero-media{order:2;aspect-ratio:16/9}
  .overview-grid{grid-template-columns:1fr;gap:28px}
  .split,.split.reverse{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:1}
  .split.reverse .split-body{order:2}
  .split + .split{margin-top:52px}
  .card-grid,.card-grid.three{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr 1fr}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:18px 20px}
  .spec-row.head{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .search-box input{width:150px}
}
@media (max-width:576px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .cat-hero h1{font-size:28px}
  .hero-stats{gap:22px}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .dock-shell{padding:0 14px;gap:12px}
  .search-box input{width:120px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#1F5F55;
  --brand-deep:#17463F;
  --brand-soft:#E4EDE9;
  --amber:#E08A3C;
  --amber-deep:#C97A25;
  --amber-soft:#FBEFE1;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --dark:#14231F;
  --text:#1D2A26;
  --text-2:#5A6660;
  --text-3:#8B948E;
  --line:#E3E0D8;
  --line-2:#E8E5DD;
  --r-xl:18px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(29,42,38,.05);
  --sh-2:0 16px 36px -20px rgba(29,42,38,.30);
  --sh-dock:0 10px 30px -12px rgba(29,42,38,.18);
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1D2A26;
  --bs-primary:#1F5F55;
  --bs-link-color:#1F5F55;
  --bs-link-hover-color:#17463F;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,background-color .25s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);letter-spacing:0;line-height:1.35}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(31,95,85,.28);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.container{max-width:1240px}
@media (min-width:1400px){.container{max-width:1240px}}
section[id],div[id]{scroll-margin-top:120px}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-header{position:sticky;top:12px;z-index:1030}
.dock{
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:12px 14px 12px 20px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line-2);
  border-radius:999px;
  box-shadow:var(--sh-dock);
  transition:padding .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.dock-header.is-scrolled .dock{padding:8px 14px 8px 20px;box-shadow:0 14px 34px -14px rgba(29,42,38,.30)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand);white-space:nowrap}
.logo:hover{color:var(--brand-deep)}
.logo svg{width:28px;height:28px;flex:none}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:18px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
  transform:translateX(-50%) scaleX(0);
  transition:transform .25s ease;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.dock-nav a.active{color:var(--brand);font-weight:600}
.dock-nav a.active::after{transform:translateX(-50%) scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:8px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line-2);background:#fff;color:var(--text-2);
  cursor:pointer;transition:color .25s ease,background-color .25s ease,border-color .25s ease;
}
.icon-btn:hover{color:var(--brand);background:var(--brand-soft);border-color:var(--brand-soft)}
.icon-btn svg{width:20px;height:20px}
.menu-toggle{display:none}
.dock-search{
  width:min(1120px,calc(100% - 32px));
  margin:10px auto 0;
  padding:14px 18px;
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-dock);
  display:none;
}
.dock-search.open{display:block}
.dock-search form{display:flex;gap:10px}
.dock-search input{
  flex:1;height:46px;padding:0 16px;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--text);
}
.dock-search input::placeholder{color:var(--text-3)}
.dock-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,85,.18)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.2;
  border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,95,85,.75)}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -18px rgba(31,95,85,.85)}
.btn-brand:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(31,95,85,.35)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(31,95,85,.5)}
.btn-amber{background:var(--amber);color:#241708;box-shadow:0 12px 26px -16px rgba(224,138,60,.9)}
.btn-amber:hover{background:var(--amber-deep);color:#241708;transform:translateY(-2px)}
.btn-amber:active{transform:none;box-shadow:none}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:focus-visible{outline:3px solid rgba(31,95,85,.28);outline-offset:2px}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--brand-soft);color:var(--brand);white-space:nowrap;
}
.pill-amber{background:var(--amber-soft);color:#8A5417}
.pill-plain{background:#F1EFE9;color:var(--text-2);font-weight:500}

/* ---------- 标题带 ---------- */
.title-band{
  position:relative;
  margin-top:26px;
  padding:40px 0 46px;
  background:var(--brand-soft);
  border-top:1px solid rgba(31,95,85,.08);
  border-bottom:1px solid rgba(31,95,85,.08);
  overflow:hidden;
}
.title-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(31,95,85,.11) 1px,transparent 1px);
  background-size:18px 18px;opacity:.65;
}
.title-band .wrap{position:relative;z-index:1;max-width:1000px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin-bottom:16px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#A9B2AC}
.crumbs .current{color:var(--text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.title-band h1{font-size:38px;line-height:1.3;margin-bottom:18px;max-width:880px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--text-2)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#B6BEB8;display:inline-block}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:56px;
  justify-content:center;
  padding:56px 0 72px;
}
.article-main{min-width:0}
.article-body{font-size:17px;line-height:1.9;color:var(--text)}
.article-body>*+*{margin-top:18px}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:26px;font-weight:600;line-height:1.45;
  margin:48px 0 16px;padding-left:16px;position:relative;scroll-margin-top:130px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 12px;scroll-margin-top:130px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--brand-deep)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:2px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.15em;
  width:18px;height:18px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;
  background:var(--amber-soft);
  border-left:3px solid var(--amber);
  border-radius:0 16px 16px 0;
  font-size:16px;color:#4A3A26;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-style:dashed;text-underline-offset:3px}
.article-body a:hover{text-decoration-style:solid;color:var(--brand-deep)}
.article-body code{
  background:var(--brand-soft);color:var(--brand-deep);
  padding:2px 6px;border-radius:4px;font-size:15px;
}
.article-body img{border-radius:var(--r-md);margin:24px auto;max-width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  font-size:15px;margin:24px 0;
}
.article-body thead th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body tbody tr:hover{background:#FBF9F4}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:44px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .glyph{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  border:1px dashed #C6CEC9;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state .glyph svg{width:26px;height:26px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;max-width:420px;margin:0 auto 22px}

/* ---------- 目录侧栏 ---------- */
.toc{
  position:sticky;top:104px;
  align-self:start;
  background:var(--card);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  padding:22px 22px 18px;
  box-shadow:var(--sh-1);
}
.toc h3{font-size:15px;font-weight:600;color:var(--text-2);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--amber)}
.toc ul{list-style:none;margin:0;padding:0;max-height:60vh;overflow:auto}
.toc li{margin:0}
.toc a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:14px;line-height:1.6;color:var(--text-2);
  border-left:2px solid transparent;
}
.toc a:hover{background:#F3F1EA;color:var(--brand)}
.toc a.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft);border-left-color:var(--brand)}
.toc a.lv3{padding-left:22px;font-size:13px;color:var(--text-3)}
.toc-empty{font-size:13px;color:var(--text-3);line-height:1.7}
.toc-mobile{display:none;margin-bottom:26px}

/* ---------- 文末区 ---------- */
.article-foot{margin-top:52px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:14px;color:var(--text-3)}
.next-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.next-card{
  display:block;padding:20px 22px;background:var(--card);
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(31,95,85,.22)}
.next-card .k{font-size:13px;color:var(--text-3);display:block;margin-bottom:8px}
.next-card .t{font-size:16px;font-weight:600;color:var(--text);display:block;margin-bottom:6px}
.next-card:hover .t{color:var(--brand)}
.next-card .d{font-size:14px;color:var(--text-2);margin:0}
.back-link{display:inline-flex;align-items:center;gap:6px;margin-top:24px;font-size:15px;color:var(--brand);
  text-decoration:underline;text-decoration-style:dashed;text-underline-offset:4px}
.back-link:hover{text-decoration-style:solid}

/* ---------- 内容卡片 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:30px;position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:22px;border-radius:2px;background:var(--amber)}
.section-head p{color:var(--text-2);font-size:15px;margin:10px 0 0;max-width:640px}
.text-link{color:var(--brand);font-size:15px;font-weight:600;text-decoration:underline;text-decoration-style:dashed;text-underline-offset:4px}
.text-link:hover{text-decoration-style:solid;color:var(--brand-deep)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(31,95,85,.2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{font-size:14px;color:var(--text-2);margin:0}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-accordion .accordion-item{
  border:none;background:#fff;border-radius:var(--r-lg);
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
}
.faq-accordion .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:600;
  padding:20px 60px 20px 24px;border-radius:var(--r-lg);box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand);box-shadow:inset 3px 0 0 var(--amber);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 3px 0 0 var(--amber),0 0 0 3px rgba(31,95,85,.18);z-index:2}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  color:var(--brand);font-size:18px;font-weight:600;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"−";background:var(--brand);border-color:var(--brand);color:#fff;
}
.faq-accordion .accordion-body{padding:0 24px 24px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-bar{background:var(--dark);color:#F3F1EC;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-bar h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-bar p{color:rgba(243,241,236,.74);font-size:15px;margin:0;max-width:660px}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#F3F1EC;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer .logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer .logo:hover{color:#8FC7B6}
.footer .logo svg{width:28px;height:28px;flex:none}
.footer .about{color:rgba(243,241,236,.72);font-size:14px;line-height:1.85;max-width:330px;margin:0}
.footer h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  color:rgba(243,241,236,.72);font-size:14px;line-height:2.1;
  transition:color .25s ease,transform .25s ease;
}
.footer-links a:hover{color:#8FC7B6;transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(243,241,236,.14);
  margin-top:44px;padding-top:20px;font-size:13px;color:rgba(243,241,236,.6);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1050;background:var(--bg);
  display:flex;flex-direction:column;padding:20px 20px 24px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
}
.drawer.open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;min-height:56px;font-size:20px;
  color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:36px}
}
@media (max-width:991.98px){
  .dock-nav{display:none}
  .menu-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding:40px 0 56px}
  .toc{position:static;display:none}
  .toc-mobile{display:block}
  .title-band h1{font-size:30px}
  .section{padding:72px 0}
  .section-head h2{font-size:24px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-bar h2{font-size:24px}
  .article-body h2{font-size:22px;margin-top:40px}
  .article-body h3{font-size:18px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .dock{width:calc(100% - 32px);padding:10px 12px 10px 16px;gap:10px}
  .dock-search{width:calc(100% - 32px);padding:12px}
  .dock-search form{flex-direction:column}
  .logo{font-size:16px}
  .logo svg{width:24px;height:24px}
  .btn{padding:11px 18px;font-size:14px}
  .title-band{margin-top:18px;padding:28px 0 34px}
  .title-band h1{font-size:26px;line-height:1.35}
  .crumbs{font-size:13px}
  .crumbs .current{max-width:180px}
  .meta-row{font-size:13px;gap:10px}
  .article-body{font-size:16px;line-height:1.9}
  .next-nav{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-bar{padding:44px 0}
  .footer{padding:48px 0 24px}
  .faq-accordion .accordion-button{font-size:16px;padding:16px 54px 16px 18px}
  .faq-accordion .accordion-body{padding:0 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#1F5F55;
  --brand-deep:#17463F;
  --brand-soft:#E4EDE9;
  --amber:#E08A3C;
  --amber-deep:#C97A25;
  --amber-soft:#FBEFE1;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --dark:#14231F;
  --text:#1D2A26;
  --body:#41504A;
  --muted:#5A6660;
  --weak:#8B948E;
  --inv:#F3F1EC;
  --line:#E3E0D8;
  --stroke:#E8E5DD;
  --ok:#2F7A5E;
  --err:#B4443A;
  --r-lg:16px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(29,42,38,.05);
  --sh-2:0 16px 36px -20px rgba(29,42,38,.30);
  --sh-dock:0 10px 30px -12px rgba(29,42,38,.18);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.38;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(31,95,85,.28);outline-offset:2px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
section[id],div[id]{scroll-margin-top:120px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--amber);
  letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--amber)}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:16px;z-index:1030;padding:0 16px}
.dock{
  position:relative;
  display:flex;align-items:center;gap:16px;
  width:min(1120px,100%);margin:0 auto;
  padding:11px 12px 11px 20px;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--stroke);
  border-radius:999px;
  box-shadow:var(--sh-dock);
  transition:padding .25s ease,box-shadow .25s ease;
}
.dock.scrolled{padding-top:6px;padding-bottom:6px;box-shadow:0 14px 34px -14px rgba(29,42,38,.30)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand);flex:0 0 auto}
.logo svg{width:28px;height:28px;flex:0 0 28px}
.logo:hover{color:var(--brand-deep)}
.dock-nav{display:flex;align-items:center;gap:24px;margin-left:8px;margin-right:auto}
.dock-nav a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;white-space:nowrap}
.dock-nav a:hover{color:var(--brand)}
.dock-nav a.active{color:var(--brand);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:2px;background:var(--brand);
}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--stroke);background:#fff;color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.22s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#CFDFD9;background:var(--brand-soft)}
.icon-btn svg{width:19px;height:19px}
.menu-btn{display:none}
.dock-search{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  display:none;gap:10px;
  background:#fff;border:1px solid var(--stroke);border-radius:18px;
  box-shadow:var(--sh-2);padding:14px;
}
.dock-search.open{display:flex}
.dock-search input{
  flex:1;height:46px;border-radius:var(--r-sm);
  border:1px solid var(--line);padding:0 16px;font-size:15px;color:var(--text);
  background:#fff;transition:.2s ease;
}
.dock-search input::placeholder{color:var(--weak)}
.dock-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,85,.18)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -16px rgba(31,95,85,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-amber{background:var(--amber);color:#221609}
.btn-amber:hover{background:var(--amber-deep);color:#221609;transform:translateY(-2px);box-shadow:0 14px 26px -16px rgba(201,122,37,.75)}
.btn-amber:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-line{background:transparent;color:var(--inv);border-color:rgba(243,241,236,.45)}
.btn-line:hover{background:rgba(243,241,236,.14);color:#fff;border-color:#fff}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px dashed currentColor;padding-bottom:2px;
}
.link-arrow:hover{color:var(--brand-deep);border-bottom-style:solid}
.link-arrow svg{width:15px;height:15px;transition:transform .25s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;margin-top:24px;border-radius:24px;overflow:hidden;
  background:#14231F url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(20,35,31,.93) 0%,rgba(23,70,63,.84) 55%,rgba(31,95,85,.60) 100%);
}
.cat-hero-inner{position:relative;padding:54px 48px 26px;max-width:880px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(243,241,236,.72);margin-bottom:22px}
.crumb a{color:rgba(243,241,236,.72)}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.6}
.crumb .cur{color:#fff}
.cat-hero h1{
  color:#fff;font-weight:700;
  font-size:clamp(28px,3.3vw,44px);
  line-height:1.3;max-width:780px;
}
.cat-sub{
  color:rgba(243,241,236,.88);
  font-size:17px;line-height:1.8;
  max-width:660px;margin:18px 0 26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.cat-tags{
  position:relative;display:flex;flex-wrap:wrap;gap:10px;
  padding:0 48px 40px;
}
.cat-tags span{
  font-size:13.5px;padding:6px 15px;border-radius:999px;
  background:rgba(243,241,236,.13);color:#E9EFEC;
  border:1px solid rgba(243,241,236,.20);
}

/* ============ 板块通用 ============ */
.sec{padding:96px 0}
.sec-tight{padding:72px 0}
.sec-alt{background:var(--brand-soft)}
.sec-dark{background:var(--dark);color:var(--inv)}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-dark p{color:#B6C2BC}
.split{display:grid;grid-template-columns:320px minmax(0,1fr);gap:56px;align-items:start}
.side{position:relative;padding-left:18px}
.side::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--amber));
}
.side h2{font-size:30px;line-height:1.4}
.side .side-note{color:var(--weak);font-size:14px;line-height:1.8;margin:14px 0 0}
.flow p{color:var(--body);font-size:16.5px;line-height:1.9;margin-bottom:16px}
.flow p:last-child{margin-bottom:0}
.flow strong{color:var(--text);font-weight:600}

/* ============ 图文与要点 ============ */
.figure{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--stroke);background:var(--brand-soft);
  box-shadow:var(--sh-1);margin-bottom:34px;
}
.figure img{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform .35s ease}
.figure:hover img{transform:scale(1.03)}
.point-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 28px;margin-top:8px}
.point{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;align-items:start}
.point .ic{
  width:42px;height:42px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.point .ic svg{width:21px;height:21px}
.point h4{font-size:16.5px;font-weight:600;margin-bottom:2px}
.point p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.lead-in{color:var(--body);font-size:16.5px;margin-bottom:28px;max-width:760px}

/* ============ 角色卡 ============ */
.role-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.role-card{
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:.3s ease;
}
.role-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6E3DE}
.role-card.lead{border-color:var(--brand);border-width:1.5px;box-shadow:0 14px 32px -22px rgba(31,95,85,.65)}
.role-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.role-head h3{font-size:19px}
.role-head .tag{
  font-size:12.5px;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.role-card.lead .role-head .tag{background:var(--amber-soft);color:var(--amber-deep)}
.role-note{color:var(--weak);font-size:13.5px;line-height:1.7;margin:0 0 16px}
.role-card ul{display:grid;gap:10px}
.role-card li{position:relative;padding-left:22px;font-size:15px;color:var(--muted);line-height:1.75}
.role-card li::before{
  content:"";position:absolute;left:0;top:8px;
  width:8px;height:8px;border-radius:2px;
  background:var(--brand-soft);border:1.5px solid var(--brand);
}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:34px}
.step{
  position:relative;background:var(--card);border:1px solid var(--stroke);
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);
  transition:.3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  font-size:24px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;display:block;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

/* ============ 账号配比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}
.plan{
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:.3s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan.mid{border:1.5px solid var(--brand);transform:translateY(-8px);box-shadow:0 18px 40px -26px rgba(31,95,85,.7)}
.plan.mid:hover{transform:translateY(-10px)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.plan h3{font-size:19px}
.plan .badge-rec{
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:var(--amber);color:#221609;
}
.plan .scale{font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;margin-bottom:4px}
.plan .scale small{font-size:14px;font-weight:500;color:var(--weak);margin-left:6px}
.plan ul{display:grid;gap:10px;margin:18px 0 22px}
.plan li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted);line-height:1.75}
.plan li::before{
  content:"";position:absolute;left:0;top:6px;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}
.plan .pfoot{margin-top:auto;font-size:13px;color:var(--weak);line-height:1.7}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-intro{text-align:center;margin-bottom:34px}
.faq-intro h2{font-size:32px;margin-bottom:12px}
.faq-intro p{color:var(--muted);font-size:15.5px;margin:0}
.accordion-item{background:transparent;border:none;margin-bottom:12px}
.accordion-button{
  background:#fff;color:var(--text);
  font-size:16.5px;font-weight:600;line-height:1.6;
  padding:20px 22px;border:1px solid var(--stroke);
  border-radius:var(--r-lg) !important;
  box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:16px;
  transition:.25s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:var(--sh-2);border-color:#D6E3DE}
.accordion-button:hover{border-color:#D6E3DE}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(31,95,85,.18);border-color:var(--brand);z-index:2}
.accordion-button::after{display:none}
.accordion-button::before{
  content:"";order:2;margin-left:auto;flex:0 0 26px;
  width:26px;height:26px;border-radius:50%;
  background:
    linear-gradient(var(--brand),var(--brand)) center/12px 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 12px no-repeat,
    var(--brand-soft);
  transition:.25s ease;
}
.accordion-button:not(.collapsed)::before{
  background:
    linear-gradient(var(--brand),var(--brand)) center/12px 2px no-repeat,
    var(--amber-soft);
  transform:rotate(180deg);
}
.accordion-body{
  padding:16px 22px 6px;font-size:15.5px;line-height:1.9;color:var(--muted);
}
.accordion-body p:last-child{margin-bottom:0}

/* ============ 相关入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  display:grid;grid-template-columns:180px minmax(0,1fr);
  background:#fff;border:1px solid var(--stroke);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:.3s ease;color:inherit;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.entry-card .thumb{overflow:hidden;background:var(--brand-soft);height:100%}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s ease}
.entry-card:hover .thumb img{transform:scale(1.04)}
.entry-body{padding:24px 24px 22px}
.entry-body h3{font-size:18px;margin-bottom:8px}
.entry-body p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0 0 14px}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--dark);border-radius:24px;padding:52px 48px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.4;margin-bottom:12px}
.cta-band p{color:#B6C2BC;font-size:15.5px;margin:0;max-width:520px}
.cta-form{display:flex;flex-wrap:wrap;gap:10px}
.cta-form input{
  flex:1 1 200px;height:48px;border-radius:var(--r-sm);
  border:1px solid rgba(243,241,236,.28);
  background:rgba(255,255,255,.08);color:#fff;
  padding:0 16px;font-size:15px;transition:.2s ease;
}
.cta-form input::placeholder{color:#96A39D}
.cta-form input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,138,60,.28)}
.form-note{flex:1 1 100%;font-size:13.5px;color:#8FC7B6;min-height:20px;margin-top:2px}
.form-note.err{color:#E8A79E}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:var(--inv);padding:76px 0 28px;margin-top:0}
.footer .logo{color:#fff}
.footer .logo:hover{color:#8FC7B6}
.footer .about{color:#A9B5AF;font-size:14px;line-height:1.9;margin:18px 0 0;max-width:340px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#A9B5AF;font-size:14px;transition:.2s ease;display:inline-block}
.footer-links a:hover{color:#8FC7B6;transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(243,241,236,.14);
  color:#8B948E;font-size:13px;line-height:1.8;
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:1050;background:var(--bg);
  display:flex;flex-direction:column;
  transform:translateY(-102%);transition:transform .3s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateY(0)}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px;border-bottom:1px solid var(--line);
}
.drawer-nav{display:flex;flex-direction:column;padding:10px 20px 0}
.drawer-nav a{
  font-size:20px;line-height:56px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-foot{padding:24px 20px 36px;margin-top:auto}
.drawer-foot .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .split{grid-template-columns:270px minmax(0,1fr);gap:40px}
  .dock-nav{gap:18px}
}
@media (max-width:991px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
  .dock{padding:10px 10px 10px 16px;gap:10px}
  .dock-right{margin-left:auto}
  .sec{padding:72px 0}
  .sec-tight{padding:56px 0}
  .split{grid-template-columns:1fr;gap:26px}
  .side{padding-left:14px}
  .side h2{font-size:26px}
  .point-list{grid-template-columns:1fr;gap:20px}
  .role-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plan-grid{grid-template-columns:1fr;gap:16px}
  .plan.mid{transform:none}
  .plan.mid:hover{transform:translateY(-4px)}
  .entry-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero-inner{padding:40px 32px 22px}
  .cat-tags{padding:0 32px 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .cat-hero{border-radius:18px;margin-top:18px}
  .cat-hero h1{font-size:26px}
  .cat-sub{font-size:15.5px}
  .steps{grid-template-columns:1fr}
  .entry-card{grid-template-columns:1fr}
  .entry-card .thumb img{aspect-ratio:16/9}
  .faq-intro h2{font-size:25px}
  .cta-band{border-radius:18px;padding:32px 22px}
  .cta-band h2{font-size:23px}
  .footer{padding:56px 0 24px}
}
@media (max-width:575px){
  .wrap{padding:0 14px}
  .dock-wrap{padding:0 10px;top:10px}
  .logo{font-size:16px}
  .logo svg{width:24px;height:24px;flex:0 0 24px}
  .dock-right .btn{padding:10px 14px;font-size:14px}
  .cat-hero-inner{padding:30px 20px 18px}
  .cat-tags{padding:0 20px 26px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .role-card,.plan,.step{padding:22px 20px}
  .accordion-button{font-size:16px;padding:17px 18px}
  .accordion-body{padding:14px 18px 4px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .btn:hover,.role-card:hover,.step:hover,.plan:hover,.entry-card:hover{transform:none !important}
  .figure:hover img,.entry-card:hover .thumb img{transform:none !important}
}