/* roulang page: index */
:root{
  --sbw:248px;
  --c-primary:#0F5C55;
  --c-primary-deep:#0A4640;
  --c-mint:#E6F2EF;
  --c-accent:#F2653F;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0F1F1D;
  --c-border:#E3E0D8;
  --c-text:#161C1B;
  --c-text-2:#5C6663;
  --c-text-3:#8A918E;
  --c-light:#F3F1EA;
  --r-card:18px;
  --r-img:16px;
  --shadow-1:0 1px 2px rgba(20,30,28,.05);
  --shadow-2:0 12px 28px rgba(15,92,85,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}
.page-main{margin-left:var(--sbw);min-height:100vh;display:flex;flex-direction:column}
.page-main > .content-wrap{flex:1 1 auto}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.divider{height:1px;background:var(--c-border);border:0;margin:0}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sbw);
  background:#FFFFFF;border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text)}
.brand:hover{color:var(--c-text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary),#17867c);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:22px;height:22px;display:block}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;line-height:1.35}
.brand-sub{margin-top:8px;font-size:12px;color:var(--c-text-3);letter-spacing:.02em}
.side-nav{margin-top:26px;display:flex;flex-direction:column;gap:4px}
.side-nav-label{font-size:11px;letter-spacing:.14em;color:var(--c-text-3);padding:0 12px 8px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:12px;
  font-size:14.5px;color:var(--c-text-2);font-weight:500;
  transition:background .25s var(--ease),color .25s var(--ease),padding .25s var(--ease);
}
.nav-link:hover{background:var(--c-mint);color:var(--c-primary)}
.nav-link.active{background:var(--c-mint);color:var(--c-primary);font-weight:700}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:3px;background:var(--c-accent);
}
.nav-link .dot-i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.35;flex:0 0 6px}
.nav-link.active .dot-i{opacity:1}
.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-border)}
.side-note{font-size:12px;color:var(--c-text-3);margin-top:10px;line-height:1.7}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(242,101,63,.24)}
.btn-primary:hover{background:#e2552f;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,101,63,.30)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-mint);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{padding:10px 20px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary);border-bottom:1.5px solid transparent;transition:all .25s var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--c-primary);gap:10px}

/* ---------- 顶部移动导航 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:80;
  background:rgba(247,245,240,.94);backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-border);align-items:center;justify-content:space-between;
  padding:0 18px;
}
.topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
.topbar .brand-text{font-size:15px}
.menu-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:90;
  background:#fff;box-shadow:-18px 0 40px rgba(15,31,29,.16);
  transform:translateX(102%);transition:transform .36s var(--ease);
  display:flex;flex-direction:column;padding:24px 20px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:13px;letter-spacing:.12em;color:var(--c-text-3)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-border);background:#fff;font-size:18px;color:var(--c-text-2)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav .nav-link{min-height:52px;font-size:16px}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-border)}
.mask{position:fixed;inset:0;background:rgba(15,31,29,.42);z-index:85;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.mask.show{opacity:1;pointer-events:auto}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 84px}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(15,92,85,.10),rgba(15,92,85,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:var(--c-mint);color:var(--c-primary);font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.hero h1{
  margin-top:22px;font-size:clamp(2.1rem,3.6vw,3.4rem);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;color:var(--c-text);
}
.hero h1 em{font-style:normal;color:var(--c-primary);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:9px;border-radius:4px;
  background:rgba(242,101,63,.20);z-index:-1;
}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.85;color:var(--c-text-2);max-width:34em}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-badges{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:8px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--c-border);color:var(--c-text-2);font-size:13px;font-weight:500;
}
.chip b{color:var(--c-primary);font-weight:700}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:24px;overflow:hidden;border:1px solid var(--c-border);
  box-shadow:0 24px 48px rgba(15,92,85,.14);aspect-ratio:4/3;background:var(--c-mint);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:-22px;bottom:-22px;background:#fff;border:1px solid var(--c-border);
  border-radius:16px;padding:16px 20px;box-shadow:var(--shadow-2);min-width:196px;
}
.hero-float strong{display:block;font-size:22px;font-weight:800;color:var(--c-primary);line-height:1.3}
.hero-float span{font-size:12.5px;color:var(--c-text-3)}

/* ---------- 通用区块标题 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.sec-kicker{font-size:12px;letter-spacing:.16em;color:var(--c-accent);font-weight:700;margin-bottom:10px}
.sec-title{
  position:relative;padding-left:16px;font-size:clamp(1.5rem,2.3vw,2.05rem);
  font-weight:800;line-height:1.3;letter-spacing:-.02em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;background:var(--c-accent);
}
.sec-desc{margin-top:14px;font-size:15.5px;color:var(--c-text-2);max-width:44em}

/* ---------- 步骤流 ---------- */
.step-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:44px 0}
.step-row + .step-row{border-top:1px solid var(--c-border)}
.step-row.reverse .step-media{order:2}
.step-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-border);box-shadow:var(--shadow-1);aspect-ratio:16/10;background:var(--c-mint)}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.step-media:hover img{transform:scale(1.03)}
.step-no{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:10px;
}
.step-no::after{content:"";width:44px;height:1px;background:var(--c-border);display:block}
.step-body h3{margin-top:14px;font-size:22px;font-weight:700;letter-spacing:-.01em}
.step-body p{margin-top:14px;color:var(--c-text-2);font-size:16px}
.step-body .link-arrow{margin-top:18px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.stat-num{font-size:34px;font-weight:800;color:var(--c-primary);line-height:1.2;letter-spacing:-.02em}
.stat-num small{font-size:15px;font-weight:700;margin-left:3px}
.stat-label{margin-top:6px;font-size:14px;color:var(--c-text-2)}
.stat-note{margin-top:4px;font-size:12.5px;color:var(--c-text-3)}

/* ---------- 深色奖励块 ---------- */
.dark-block{background:var(--c-dark);color:var(--c-light);padding:88px 0;position:relative;overflow:hidden}
.dark-block::before{
  content:"";position:absolute;left:-120px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,101,63,.20),rgba(242,101,63,0) 70%);
}
.dark-block .sec-title{color:var(--c-light)}
.dark-block .sec-desc{color:rgba(243,241,234,.72)}
.dark-block .sec-kicker{color:#ff8a68}
.scroll-x{
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3.2);
  gap:24px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;
  position:relative;z-index:2;
}
.scroll-x::-webkit-scrollbar{height:6px}
.scroll-x::-webkit-scrollbar-thumb{background:rgba(243,241,234,.24);border-radius:99px}
.reward-card{
  scroll-snap-align:start;background:rgba(255,255,255,.045);
  border:1px solid rgba(243,241,234,.14);border-radius:var(--r-card);
  overflow:hidden;transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(242,101,63,.55)}
.reward-thumb{aspect-ratio:16/10;overflow:hidden;background:#162a27}
.reward-thumb img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform .5s var(--ease)}
.reward-card:hover .reward-thumb img{transform:scale(1.04)}
.reward-body{padding:20px 20px 24px}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--c-mint);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent);color:#fff}
.reward-body h3{margin-top:12px;font-size:18px;font-weight:700;color:var(--c-light)}
.reward-body p{margin-top:8px;font-size:14px;color:rgba(243,241,234,.70);line-height:1.75}

/* ---------- 进度时间轴 ---------- */
.progress-wrap{margin-top:8px}
.track{height:8px;border-radius:99px;background:var(--c-mint);overflow:hidden;position:relative}
.track-fill{
  height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transition:width .9s var(--ease);position:relative;
}
.track-fill::after{
  content:"";position:absolute;right:-3px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;border-radius:50%;background:rgba(242,101,63,.34);
}
.stages{margin-top:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stage{display:flex;gap:12px;align-items:flex-start}
.stage-dot{
  width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--c-border);
  margin-top:9px;flex:0 0 10px;
}
.stage.is-done .stage-dot{background:var(--c-primary);border-color:var(--c-primary)}
.stage.is-now .stage-dot{background:var(--c-accent);border-color:var(--c-accent);box-shadow:0 0 0 5px rgba(242,101,63,.16)}
.stage-title{font-size:15px;font-weight:700;color:var(--c-text-3)}
.stage.is-done .stage-title{color:var(--c-primary)}
.stage.is-now .stage-title{color:var(--c-text)}
.stage-note{display:block;font-size:13px;color:var(--c-text-3);line-height:1.7;margin-top:2px}

/* ---------- 安全/信任卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.card-pad{padding:24px}
.card h3{font-size:18px;font-weight:700;line-height:1.5}
.card p{margin-top:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.8}
.icon-badge{
  width:44px;height:44px;border-radius:13px;background:var(--c-mint);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.card ul.tick{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.card ul.tick li{position:relative;padding-left:20px;font-size:14px;color:var(--c-text-2)}
.card ul.tick li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;
  background:var(--c-accent);opacity:.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:24px;overflow:hidden;padding:56px 48px;
  background:var(--c-mint);border:1px solid #d5e6e1;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,92,85,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,92,85,.07) 1px,transparent 1px);
  background-size:32px 32px;opacity:.7;
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:800;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:15.5px;color:var(--c-text-2);max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}

/* ---------- CMS 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);height:100%;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-link:hover{color:inherit}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-mint)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{
  margin-top:12px;font-size:17px;font-weight:700;line-height:1.55;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  margin-top:10px;font-size:14px;color:var(--c-text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--c-text-3);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.news-empty{
  background:#fff;border:1px dashed #d5d0c4;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--c-text-2);
}
.news-empty .empty-ico{
  width:54px;height:54px;border-radius:16px;background:var(--c-mint);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800;
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq-item:hover{border-color:#cbdedb}
.faq-item.open{border-color:#bcd8d3;box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;position:relative;
}
.faq-q .plus{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--c-mint);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--c-accent);color:#fff}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--c-accent);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a-inner{padding:0 20px 18px 22px;font-size:14.5px;color:var(--c-text-2);line-height:1.85}
.faq-side-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.faq-side-card h3{font-size:18px;font-weight:700}
.faq-side-card p{margin-top:12px;font-size:14.5px;color:var(--c-text-2)}
.faq-side-card .btn{margin-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(243,241,234,.72);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px}
.footer-brand .brand-text{color:var(--c-light)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:26em;color:rgba(243,241,234,.66)}
.footer-title{font-size:14px;font-weight:700;color:var(--c-light);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(243,241,234,.72)}
.footer-links a:hover{color:var(--c-accent);padding-left:2px}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(243,241,234,.72)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(243,241,234,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(243,241,234,.52);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sbw:212px}
  .container{padding:0 28px}
  .hero-grid{gap:36px}
  .step-row{gap:40px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .page-main{margin-left:0;padding-top:64px}
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:52px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:clamp(1.85rem,5.4vw,2.6rem)}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto}
  .step-row{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .step-row.reverse .step-media{order:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .scroll-x{grid-auto-columns:70%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:40px 26px}
  .dark-block{padding:64px 0}
}
@media (max-width:767px){
  .stages{grid-template-columns:1fr;gap:0;position:relative;padding-left:4px}
  .track{display:none}
  .stage{position:relative;padding:0 0 22px 26px}
  .stage:not(:last-child)::before{
    content:"";position:absolute;left:4.5px;top:18px;bottom:0;width:2px;background:var(--c-border);
  }
  .stage.is-done:not(:last-child)::before{background:#bcd8d3}
  .stage-dot{position:absolute;left:0;top:7px;margin-top:0}
  .sec-title{font-size:1.4rem}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .hero{padding:40px 0 48px}
  .stats{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .scroll-x{grid-auto-columns:84%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .site-footer{padding:52px 0 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#0F5C55;
  --c-primary-dark:#0A4640;
  --c-soft:#E6F2EF;
  --c-accent:#F2653F;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0F1F1D;
  --c-border:#E3E0D8;
  --t-main:#161C1B;
  --t-sub:#5C6663;
  --t-weak:#8A918E;
  --r-card:18px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(20,30,28,.05);
  --sh-2:0 12px 28px rgba(15,92,85,.10);
  --nav-w:248px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-main);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}

/* ===== 侧栏导航 ===== */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:#fff;
  border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;
  padding:24px 16px 20px;
  overflow:hidden;
  z-index:60;
  transition:width .28s cubic-bezier(.2,.7,.3,1);
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 20px;border-bottom:1px solid var(--c-border);margin-bottom:16px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-weight:700;font-size:15px;letter-spacing:.01em;color:var(--t-main);white-space:nowrap}
.side-nav-label{font-size:11px;letter-spacing:.16em;color:var(--t-weak);padding:0 12px;margin-bottom:8px;white-space:nowrap}
.nav-link{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:14px;color:var(--t-sub);
  position:relative;white-space:nowrap;
  transition:background .2s,color .2s,transform .2s;
}
.dot-i{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.35;flex:0 0 auto}
.nav-link:hover{background:var(--c-soft);color:var(--c-primary)}
.nav-link:active{transform:scale(.985)}
.nav-link.active{background:var(--c-soft);color:var(--c-primary);font-weight:700}
.nav-link.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--c-accent)}
.nav-link.active .dot-i{opacity:.9}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-border);display:flex;flex-direction:column;gap:12px}
.side-links{display:flex;gap:14px;font-size:12px;color:var(--t-weak);padding-left:6px}
.side-links a:hover{color:var(--c-primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:14px;font-weight:600;white-space:nowrap;
  border:1.5px solid transparent;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(242,101,63,.22)}
.btn-primary:hover{background:#e2552f;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,101,63,.28)}
.btn-primary:active{transform:none;box-shadow:0 4px 12px rgba(242,101,63,.24)}
.btn-ghost{background:#fff;border-color:var(--c-border);color:var(--t-main)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:none}
.btn-sm{height:40px;padding:0 20px;font-size:13px}

/* ===== 移动顶栏 / 抽屉 ===== */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:64px;align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);
}
.mobile-topbar .brand{padding:0;border:0;margin:0}
.burger{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--c-border);background:#fff}
.burger span{display:block;width:18px;height:2px;background:var(--t-main);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-main);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden}
.drawer.open{visibility:visible}
.drawer-mask{position:absolute;inset:0;background:rgba(15,31,29,.45);opacity:0;transition:opacity .3s}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:88%;max-width:340px;
  background:#fff;padding:22px 18px 26px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  overflow:auto;
}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-border);margin-bottom:10px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-border);font-size:18px;line-height:1;color:var(--t-sub)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}
.drawer-nav .nav-link{height:48px;font-size:15px}

/* ===== 主体布局 ===== */
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.app-main main{flex:1}
.page-wrap{width:100%;max-width:1180px;margin:0 auto;padding:34px 40px 0}

/* ===== 面包屑 ===== */
.crumbs{margin-bottom:24px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;font-size:13px;color:var(--t-weak)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .current{color:var(--t-sub);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头部 ===== */
.article-head{max-width:860px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-soft);color:var(--c-primary);
  font-size:12px;letter-spacing:.04em;font-weight:600;
}
.badge-accent{background:rgba(242,101,63,.12);color:#C9451F}
.article-title{
  font-size:clamp(1.7rem,3.2vw,2.55rem);
  font-weight:800;line-height:1.24;letter-spacing:-.02em;
  margin:16px 0 18px;overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13px;color:var(--t-weak);
  padding-bottom:24px;border-bottom:1px solid var(--c-border);
  font-variant-numeric:tabular-nums;
}
.article-meta .m-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .m-dot{width:4px;height:4px;border-radius:50%;background:var(--c-border)}
.article-cover{margin-top:28px;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;background:#e7e4dc;box-shadow:var(--sh-1)}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ===== 正文排版 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;margin-top:36px;justify-content:center}
.article-body{max-width:760px;width:100%;font-size:16px;line-height:1.85;color:#2A3230;overflow-wrap:break-word}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;font-size:clamp(1.25rem,1.9vw,1.5rem);font-weight:700;
  line-height:1.4;color:var(--t-main);
  margin:40px 0 14px;padding-left:14px;scroll-margin-top:90px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:2px;background:var(--c-accent)}
.article-body h3{font-size:1.12rem;font-weight:700;margin:30px 0 12px;color:var(--t-main);scroll-margin-top:90px}
.article-body h4{font-size:1rem;font-weight:700;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--c-primary);
  background:var(--c-soft);border-radius:0 14px 14px 0;
  color:var(--c-primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:22px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--t-weak);text-align:center;margin-top:10px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.article-body a:hover{color:var(--c-accent)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-soft);color:var(--c-primary-dark);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--c-border);margin:32px 0}
.article-body code{background:#EDEAE2;border-radius:6px;padding:2px 6px;font-size:.92em}

/* ===== 目录 ===== */
.toc{display:none;position:sticky;top:32px;align-self:start;font-size:13px;line-height:1.7}
.toc-title{font-size:12px;letter-spacing:.14em;color:var(--t-weak);margin-bottom:12px}
.toc a{display:block;padding:6px 0 6px 12px;border-left:2px solid var(--c-border);color:var(--t-sub);transition:.2s}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-primary);padding-left:16px}

/* ===== 提示卡 / 相关推荐 / CTA ===== */
.note-card{
  margin-top:36px;padding:20px 22px;border-radius:16px;
  background:#fff;border:1px solid var(--c-border);border-left:4px solid var(--c-accent);
  box-shadow:var(--sh-1);font-size:14px;color:var(--t-sub);line-height:1.8;
}
.note-card strong{color:var(--t-main)}
.section{margin-top:64px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px}
.section-title{font-size:clamp(1.3rem,2.1vw,1.7rem);font-weight:700;letter-spacing:-.01em;position:relative;padding-left:14px}
.section-title::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:2px;background:var(--c-accent)}
.section-sub{font-size:14px;color:var(--t-sub);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D2DED9}
.card-figure{aspect-ratio:16/10;overflow:hidden;background:#e7e4dc}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-figure img{transform:scale(1.03)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;color:var(--t-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--t-weak);font-variant-numeric:tabular-nums}
.card-arrow{color:var(--c-primary);font-size:15px;transition:transform .2s}
.card:hover .card-arrow{transform:translateX(3px)}
.cta-strip{
  margin-top:64px;padding:38px 34px;border-radius:22px;
  background:var(--c-soft);border:1px solid #D5E7E2;
  background-image:radial-gradient(circle at 1px 1px,rgba(15,92,85,.14) 1px,transparent 0);
  background-size:18px 18px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-strip h2{font-size:clamp(1.25rem,2vw,1.6rem);font-weight:700;letter-spacing:-.01em}
.cta-strip p{font-size:14px;color:var(--t-sub);margin-top:8px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.end-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-border)}
.text-link{font-size:14px;color:var(--c-primary);font-weight:600;position:relative;padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--c-primary);transition:width .25s}
.text-link:hover::after{width:100%}
.empty-state{
  max-width:760px;margin:40px 0;padding:48px 24px;text-align:center;
  background:#fff;border:1px dashed var(--c-border);border-radius:var(--r-card);
}
.empty-ico{width:52px;height:52px;margin:0 auto 16px;border-radius:16px;background:var(--c-soft);color:var(--c-primary);display:grid;place-items:center;font-size:22px;font-weight:700}
.empty-state p{color:var(--t-sub);margin-bottom:18px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:rgba(243,241,234,.72);padding:64px 0 28px;margin-top:80px}
.site-footer .container{max-width:1180px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.site-footer .brand{padding:0;border:0;margin:0}
.site-footer .brand-text{color:#F3F1EA}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;color:rgba(243,241,234,.62);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#F3F1EA;margin-bottom:16px;letter-spacing:.01em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(243,241,234,.72);transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:var(--c-accent);transform:translateX(2px)}
.footer-contact{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(243,241,234,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(243,241,234,.5);
}

/* ===== 动效 ===== */
.js-anim .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.2,.7,.3,1),transform .4s cubic-bezier(.2,.7,.3,1)}
.js-anim .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .js-anim .reveal{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media (min-width:1024px) and (max-width:1279px){
  .side-nav{width:84px;overflow:hidden}
  .side-nav:hover{width:248px;box-shadow:0 12px 32px rgba(15,92,85,.14)}
  .nav-link{font-size:0;padding:0;justify-content:center}
  .side-nav:hover .nav-link{font-size:14px;padding:0 14px;justify-content:flex-start}
  .brand-text{opacity:0;width:0;overflow:hidden}
  .side-nav:hover .brand-text{opacity:1;width:auto}
  .side-nav-label{opacity:0}
  .side-nav:hover .side-nav-label{opacity:1}
  .side-foot{display:none}
  .side-nav:hover .side-foot{display:flex}
  .app-main{margin-left:84px}
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 200px}
  .toc{display:block}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .mobile-topbar{display:flex}
  .app-main{margin-left:0}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container,.page-wrap{padding-left:24px;padding-right:24px}
  .page-wrap{padding-top:24px}
  .section{margin-top:48px}
  .cta-strip{margin-top:48px;padding:28px 22px}
  .site-footer{padding:48px 0 24px;margin-top:56px}
  .article-meta{gap:8px 14px}
  .rel-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container,.page-wrap{padding-left:18px;padding-right:18px}
  .btn{width:100%;height:48px}
  .btn-sm{width:auto}
  .cta-actions{width:100%}
  .brand-text{font-size:13.5px}
  .footer-grid{grid-template-columns:1fr}
  .article-title{font-size:1.6rem}
}

/* roulang page: category1 */
:root{
    --c-primary:#0F5C55;
    --c-primary-deep:#0A4640;
    --c-primary-soft:#E6F2EF;
    --c-accent:#F2653F;
    --c-accent-deep:#DE5430;
    --c-bg:#F7F5F0;
    --c-card:#FFFFFF;
    --c-dark:#0F1F1D;
    --c-border:#E3E0D8;
    --t-main:#161C1B;
    --t-sub:#5C6663;
    --t-weak:#8A918E;
    --t-invert:#F3F1EA;
    --t-invert-soft:rgba(243,241,234,.72);
    --r-card:18px;
    --r-img:16px;
    --r-btn:999px;
    --sh-1:0 1px 2px rgba(20,30,28,.05);
    --sh-2:0 12px 28px rgba(15,92,85,.10);
    --nav-w:248px;
    --container:1180px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    background:var(--c-bg);
    color:var(--t-main);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:var(--c-primary);text-decoration:none;transition:color .25s var(--ease)}
  a:hover{color:var(--c-accent)}
  img{display:block;max-width:100%;height:auto}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  h1,h2,h3{letter-spacing:-0.02em;line-height:1.25}
  h1{font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:800;line-height:1.15}
  h2{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:700;line-height:1.3}
  h3{font-size:1.12rem;font-weight:600;line-height:1.5}
  p{line-height:1.85}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
  .page-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
  .section{padding:96px 0}
  .section-sm{padding:64px 0}
  .section-tight{padding:72px 0}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.08em;
    color:var(--c-primary);background:var(--c-primary-soft);
    padding:6px 14px;border-radius:var(--r-btn);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
  .sec-head{max-width:760px;margin-bottom:40px}
  .sec-head h2{margin-top:14px}
  .sec-head p{margin-top:14px;color:var(--t-sub)}
  .rule{height:1px;background:var(--c-border);border:0;margin:0}

  /* ============ 左侧导航 ============ */
  .side-shell{
    position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
    background:var(--c-card);border-right:1px solid var(--c-border);
    display:flex;flex-direction:column;
    padding:26px 18px 22px;z-index:60;overflow-y:auto;
    transition:transform .35s var(--ease);
  }
  .brand{display:flex;align-items:center;gap:10px;padding:2px 6px}
  .brand-mark{
    width:36px;height:36px;flex:0 0 36px;border-radius:12px;
    background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
    display:flex;align-items:center;justify-content:center;
  }
  .brand-mark svg{width:20px;height:20px}
  .brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--t-main);line-height:1.35}
  .brand:hover .brand-text{color:var(--c-primary)}
  .side-nav{display:flex;flex-direction:column;gap:4px;margin-top:24px}
  .side-nav-label{
    font-size:11px;letter-spacing:.16em;color:var(--t-weak);
    padding:0 16px 8px;font-weight:700;
  }
  .nav-link{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 14px;border-radius:12px;
    font-size:15px;font-weight:500;color:var(--t-sub);
    transition:background .25s var(--ease),color .25s var(--ease);
  }
  .nav-link .dot-i{
    width:6px;height:6px;border-radius:50%;background:currentColor;
    opacity:.4;flex:0 0 6px;transition:opacity .25s var(--ease);
  }
  .nav-link:hover,.nav-link:focus-visible{background:var(--c-primary-soft);color:var(--c-primary)}
  .nav-link:hover .dot-i{opacity:.9}
  .nav-link.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700}
  .nav-link.active .dot-i{opacity:1;background:var(--c-accent)}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
    border-radius:3px;background:var(--c-accent);
  }
  .side-divider{height:1px;background:var(--c-border);margin:18px 6px}
  .side-cta{margin-top:auto;display:block;text-align:center}
  .side-meta{margin-top:14px;font-size:12.5px;color:var(--t-weak);line-height:1.9;padding:0 6px}
  .side-meta a{color:var(--t-sub);margin-right:10px}
  .side-meta a:hover{color:var(--c-primary)}

  /* ============ 移动端顶栏 ============ */
  .topbar{
    display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
    align-items:center;justify-content:space-between;padding:0 18px;
    background:rgba(247,245,240,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--c-border);
  }
  .topbar .brand{padding:0}
  .topbar .brand-text{font-size:15px;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .nav-toggle{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);
    background:var(--c-card);display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:background .25s var(--ease),border-color .25s var(--ease);
  }
  .nav-toggle:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;position:relative}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);border-radius:2px;
    transition:transform .3s var(--ease);
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-scrim{
    position:fixed;inset:0;background:rgba(15,31,29,.42);z-index:55;
    opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
  }
  .nav-scrim.show{opacity:1;pointer-events:auto}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:var(--r-btn);border:1.5px solid transparent;
    font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  }
  .btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px rgba(242,101,63,.24)}
  .btn-primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,101,63,.30)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
  .btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-link{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
    color:var(--c-primary);border-bottom:1.5px solid transparent;padding-bottom:2px;
    transition:border-color .25s var(--ease),color .25s var(--ease),gap .25s var(--ease);
  }
  .btn-link:hover{color:var(--c-accent);border-color:var(--c-accent);gap:10px}

  /* ============ 面包屑 ============ */
  .breadcrumb{padding:26px 0 0}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-weak)}
  .breadcrumb li{display:flex;align-items:center;gap:8px;max-width:100%}
  .breadcrumb li+li::before{content:"›";color:var(--t-weak)}
  .breadcrumb a{color:var(--t-sub)}
  .breadcrumb a:hover{color:var(--c-primary)}
  .breadcrumb .current{color:var(--t-main);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}

  /* ============ HERO ============ */
  .hero{padding:40px 0 88px}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
  .hero h1{margin-top:20px}
  .hero-lead{margin-top:20px;font-size:17px;color:var(--t-sub);max-width:34em}
  .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:32px}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;padding-top:22px;border-top:1px solid var(--c-border)}
  .hero-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t-sub)}
  .tick{
    width:18px;height:18px;flex:0 0 18px;border-radius:50%;
    background:var(--c-primary-soft);color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
  }
  .hero-visual{position:relative}
  .hero-visual img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:calc(var(--r-img) + 4px);box-shadow:var(--sh-2);
  }
  .hero-float{
    position:absolute;left:-20px;bottom:-26px;width:min(300px,88%);
    background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
    box-shadow:var(--sh-2);padding:16px 18px;
  }
  .hero-float .hf-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--t-weak)}
  .hero-float .hf-main{margin-top:6px;font-size:15px;font-weight:700;color:var(--c-primary)}
  .hero-float p{margin-top:4px;font-size:12.5px;color:var(--t-sub);line-height:1.7}

  /* ============ 统计 ============ */
  .stats-band{background:var(--c-card);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
  .stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
  .stat{padding:36px 26px;border-left:1px solid var(--c-border)}
  .stat:first-child{border-left:0;padding-left:0}
  .stat-num{
    display:flex;align-items:baseline;gap:4px;
    font-size:clamp(2rem,3.2vw,2.75rem);font-weight:800;color:var(--c-primary);
    font-variant-numeric:tabular-nums;letter-spacing:-0.03em;line-height:1.1;
  }
  .stat-num .unit{font-size:15px;font-weight:600;color:var(--t-sub);letter-spacing:0}
  .stat p{margin-top:10px;font-size:13.5px;color:var(--t-sub);line-height:1.75}

  /* ============ 卡片 ============ */
  .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .card{
    background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
    box-shadow:var(--sh-1);padding:24px;
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5E4DF}
  .card-title{font-size:17px;font-weight:600;margin-top:16px}
  .card p{margin-top:8px;font-size:14.5px;color:var(--t-sub);line-height:1.8}
  .card-icon{
    width:44px;height:44px;border-radius:14px;background:var(--c-primary-soft);
    display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  }
  .card-icon svg{width:22px;height:22px}
  .card-num{
    font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--c-accent);
  }
  .card-tag{
    display:inline-block;margin-top:14px;font-size:12px;font-weight:700;
    letter-spacing:.04em;color:var(--c-primary);background:var(--c-primary-soft);
    padding:4px 10px;border-radius:var(--r-btn);
  }

  /* ============ 图文交错 ============ */
  .flow-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--c-border)}
  .flow-row:first-of-type{border-top:0;padding-top:8px}
  .flow-row.reverse .flow-media{order:-1}
  .flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1)}
  .step{margin-bottom:30px}
  .step:last-child{margin-bottom:0}
  .step-head{display:flex;align-items:center;gap:12px}
  .step-no{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:800;letter-spacing:.02em;font-variant-numeric:tabular-nums;
  }
  .step-head h3{font-size:18px;font-weight:700}
  .step p{margin-top:10px;padding-left:50px;font-size:15px;color:var(--t-sub);line-height:1.85}
  .step a{font-weight:600;border-bottom:1px solid rgba(15,92,85,.28)}
  .step a:hover{border-color:var(--c-accent)}

  /* ============ 检查清单 ============ */
  .check-list{display:grid;gap:14px}
  .check-item{
    display:flex;gap:16px;background:var(--c-card);border:1px solid var(--c-border);
    border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);
    transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  }
  .check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .check-item .mark{
    width:26px;height:26px;flex:0 0 26px;border-radius:50%;
    background:var(--c-primary-soft);color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;margin-top:3px;
  }
  .check-item h3{font-size:16px;font-weight:700}
  .check-item p{margin-top:6px;font-size:14.5px;color:var(--t-sub);line-height:1.8}
  .warn-box{
    margin-top:24px;background:var(--c-dark);color:var(--t-invert);
    border-radius:var(--r-card);padding:26px 28px;border:1px solid rgba(243,241,234,.12);
  }
  .warn-box .wb-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700}
  .warn-box .wb-title span{
    width:8px;height:8px;border-radius:50%;background:var(--c-accent);
    box-shadow:0 0 0 4px rgba(242,101,63,.22);
  }
  .warn-box p{margin-top:10px;font-size:14.5px;color:var(--t-invert-soft);line-height:1.85}

  /* ============ FAQ ============ */
  .faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start}
  .faq-aside p{margin-top:14px;color:var(--t-sub);font-size:15px}
  .faq-aside .btn{margin-top:26px}
  .faq-list{display:grid;gap:12px}
  .faq-item{
    background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
    box-shadow:var(--sh-1);overflow:hidden;position:relative;
    transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
  }
  .faq-item.open{border-color:#CFE2DD;box-shadow:var(--sh-2)}
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:var(--c-accent);opacity:0;transition:opacity .3s var(--ease);
  }
  .faq-item.open::before{opacity:1}
  .faq-btn{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;color:var(--t-main);line-height:1.6;
  }
  .faq-btn:hover{color:var(--c-primary)}
  .faq-btn .plus{
    width:24px;height:24px;flex:0 0 24px;border-radius:50%;
    background:var(--c-primary-soft);color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;line-height:1;
    transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
  }
  .faq-item.open .faq-btn .plus{transform:rotate(45deg);background:var(--c-accent);color:#fff}
  .faq-panel{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
  .faq-panel-inner{padding:0 22px 20px;font-size:14.5px;color:var(--t-sub);line-height:1.9}

  /* ============ CTA ============ */
  .cta-band{
    background:
      linear-gradient(120deg,rgba(15,92,85,.06),rgba(15,92,85,.02)),
      repeating-linear-gradient(0deg,transparent 0 38px,rgba(15,92,85,.05) 38px 39px),
      repeating-linear-gradient(90deg,transparent 0 38px,rgba(15,92,85,.05) 38px 39px),
      var(--c-primary-soft);
    border-radius:calc(var(--r-card) + 6px);
    padding:56px 48px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  }
  .cta-band h2{max-width:20em}
  .cta-band p{margin-top:12px;color:var(--t-sub);font-size:15px;max-width:36em}
  .cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--c-dark);color:var(--t-invert);margin-top:auto;padding:72px 0 28px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
  .footer-brand .brand{padding:0}
  .footer-brand .brand-text{color:var(--t-invert);font-size:16px}
  .footer-brand p{margin-top:16px;font-size:14px;color:var(--t-invert-soft);line-height:1.9;max-width:30em}
  .footer-title{font-size:14px;font-weight:700;color:var(--t-invert);margin-bottom:16px;letter-spacing:.02em}
  .footer-links{display:grid;gap:10px}
  .footer-links a{font-size:14px;color:var(--t-invert-soft);display:inline-block;transition:color .25s var(--ease),transform .25s var(--ease)}
  .footer-links a:hover{color:var(--c-accent);transform:translateX(2px)}
  .footer-contact{display:grid;gap:10px;font-size:14px;color:var(--t-invert-soft)}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(243,241,234,.14);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:rgba(243,241,234,.6);
  }

  /* ============ 入场动效 ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .reveal.is-visible{opacity:1;transform:none}

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .container{padding:0 32px}
    .hero-grid{gap:40px}
    .flow-row{gap:40px}
    .faq-wrap{gap:40px}
  }
  @media (max-width:1023px){
    .page-main{margin-left:0;padding-top:64px}
    .topbar{display:flex}
    .side-shell{
      width:88%;max-width:340px;transform:translateX(105%);
      box-shadow:-24px 0 60px rgba(15,31,29,.22);padding-top:24px;
    }
    .side-shell.open{transform:translateX(0)}
    .section{padding:64px 0}
    .section-tight{padding:52px 0}
    .hero{padding:28px 0 64px}
    .hero-grid{grid-template-columns:minmax(0,1fr);gap:44px}
    .hero-visual img{aspect-ratio:16/10}
    .hero-float{left:auto;right:12px;bottom:-20px;width:min(280px,80%)}
    .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stat{padding:26px 22px;border-left:1px solid var(--c-border)}
    .stat:nth-child(odd){border-left:0;padding-left:0}
    .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--c-border)}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .flow-row{grid-template-columns:minmax(0,1fr);gap:32px;padding:44px 0}
    .flow-row.reverse .flow-media{order:0}
    .faq-wrap{grid-template-columns:minmax(0,1fr);gap:32px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .cta-band{padding:40px 32px}
  }
  @media (max-width:767px){
    .container{padding:0 18px}
    .section{padding:48px 0}
    .section-tight{padding:44px 0}
    h1{font-size:clamp(1.85rem,7.2vw,2.4rem)}
    .hero-lead{font-size:15.5px}
    .hero-actions{gap:12px}
    .hero-actions .btn{width:100%}
    .hero-points{gap:10px}
    .grid-3,.grid-2{grid-template-columns:minmax(0,1fr)}
    .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stat{padding:22px 16px}
    .stat p{font-size:12.5px}
    .step p{padding-left:0;margin-top:12px}
    .step-head{align-items:flex-start}
    .card{padding:20px}
    .check-item{padding:18px;gap:14px}
    .warn-box{padding:22px}
    .cta-band{padding:32px 22px;border-radius:var(--r-card)}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:minmax(0,1fr)}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
    .breadcrumb{padding-top:18px}
    .breadcrumb .current{max-width:180px}
    .hero-float{position:static;width:100%;margin-top:16px;box-shadow:var(--sh-1)}
    .faq-btn{padding:18px;font-size:15px}
    .faq-panel-inner{padding:0 18px 18px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
    .reveal{opacity:1;transform:none}
  }

/* roulang page: category2 */
:root{
    --c-primary:#0F5C55;
    --c-primary-deep:#0A4640;
    --c-primary-soft:#E6F2EF;
    --c-accent:#F2653F;
    --c-bg:#F7F5F0;
    --c-card:#FFFFFF;
    --c-dark:#0F1F1D;
    --c-border:#E3E0D8;
    --c-text:#161C1B;
    --c-text-2:#5C6663;
    --c-text-3:#8A918E;
    --c-on-dark:#F3F1EA;
    --c-on-dark-2:rgba(243,241,234,.72);
    --r-card:18px;
    --r-img:16px;
    --r-btn:999px;
    --r-input:12px;
    --sh-1:0 1px 2px rgba(20,30,28,.05);
    --sh-2:0 12px 28px rgba(15,92,85,.10);
    --sidebar-w:248px;
    --maxw:1180px;
    --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    color:var(--c-text);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:var(--c-primary);text-decoration:none}
  a:hover{color:var(--c-primary-deep)}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  p{margin:0 0 16px}
  h1,h2,h3,h4{margin:0;letter-spacing:-.02em}
  ::selection{background:rgba(15,92,85,.16)}

  /* ============ 布局骨架 ============ */
  .page-shell{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
  .page-shell main{flex:1 1 auto}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px}

  /* ============ 侧栏 ============ */
  .side-panel{
    position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
    background:#fff;border-right:1px solid var(--c-border);
    display:flex;flex-direction:column;
    padding:26px 16px 20px;z-index:60;overflow-y:auto;
  }
  .side-brand{display:flex;align-items:center;gap:10px;padding:0 8px;margin-bottom:8px}
  .brand{display:flex;align-items:center;gap:10px;color:var(--c-text)}
  .brand:hover{color:var(--c-text)}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;flex:none;
    background:linear-gradient(140deg,#14695F 0%,#0A4640 100%);
    display:grid;place-items:center;box-shadow:0 6px 16px rgba(15,92,85,.20);
  }
  .brand-mark svg{width:22px;height:22px}
  .brand-text{font-weight:700;font-size:15px;line-height:1.35;letter-spacing:.01em}
  .side-brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.12em;padding:0 8px;margin:6px 0 22px}

  .side-nav{display:flex;flex-direction:column;gap:4px}
  .side-nav-label{font-size:11px;letter-spacing:.16em;color:var(--c-text-3);padding:0 16px;margin:0 0 8px}
  .nav-link{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 16px;border-radius:12px;
    color:var(--c-text-2);font-size:14.5px;line-height:1;
    transition:background .2s ease,color .2s ease;
  }
  .nav-link .dot-i{width:5px;height:5px;border-radius:50%;background:#C9D4D1;flex:none;transition:background .2s ease}
  .nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary)}
  .nav-link:hover .dot-i{background:var(--c-primary)}
  .nav-link:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
  .nav-link.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700}
  .nav-link.active .dot-i{background:var(--c-accent)}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
    border-radius:3px;background:var(--c-accent);
  }

  .side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-border);display:flex;flex-direction:column;gap:12px}
  .side-meta{font-size:12px;color:var(--c-text-3);line-height:1.7;padding:0 4px}
  .side-meta span{display:block}
  .side-meta a{color:var(--c-text-2);border-bottom:1px dashed #CFD8D5}
  .side-meta a:hover{color:var(--c-primary)}

  /* ============ 移动端顶栏与遮罩 ============ */
  .mobile-bar{
    display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
    align-items:center;justify-content:space-between;padding:0 18px;
    background:rgba(247,245,240,.95);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--c-border);
  }
  .mobile-bar .brand-text{font-size:14.5px}
  .hamburger{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);
    background:#fff;display:grid;place-items:center;gap:4px;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .25s ease,opacity .2s ease}
  .hamburger:hover{background:var(--c-primary-soft);border-color:#CFE3DF}
  .hamburger:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
  .hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .hamburger.is-open span:nth-child(2){opacity:0}
  .hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(15,31,29,.44);z-index:55;
    opacity:0;pointer-events:none;transition:opacity .25s ease;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto}

  /* ============ 面包屑 ============ */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);padding:26px 0 0}
  .breadcrumb li{display:flex;align-items:center;gap:8px}
  .breadcrumb li+li::before{content:"›";color:#C2CAC7}
  .breadcrumb a{color:var(--c-text-2)}
  .breadcrumb a:hover{color:var(--c-primary)}
  .breadcrumb .current{color:var(--c-primary);font-weight:600}

  /* ============ Hero ============ */
  .hero-wrap{padding-bottom:64px;border-bottom:1px solid var(--c-border)}
  .hero{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;padding:38px 0 0}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--c-primary);background:var(--c-primary-soft);
    padding:7px 14px;border-radius:999px;margin-bottom:20px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
  .h1{
    font-size:clamp(2.05rem,4.1vw,3.35rem);
    font-weight:800;line-height:1.16;letter-spacing:-.02em;
    margin-bottom:18px;
  }
  .h1 em{font-style:normal;color:var(--c-primary);position:relative;white-space:nowrap}
  .lead{font-size:16.5px;color:var(--c-text-2);line-height:1.9;max-width:36em;margin-bottom:24px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .hero-points span{
    font-size:12.5px;color:var(--c-primary);background:#fff;
    border:1px solid #D8E7E3;border-radius:999px;padding:6px 14px;
  }
  .hero-figure{position:relative}
  .hero-figure img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--r-card);box-shadow:var(--sh-2);
  }
  .hero-figure::after{
    content:"";position:absolute;inset:auto -14px -14px auto;
    width:120px;height:120px;border-radius:24px;
    border:2px solid rgba(15,92,85,.16);z-index:-1;
  }
  .hero-badge{
    position:absolute;left:-14px;bottom:20px;
    background:#fff;border:1px solid var(--c-border);border-radius:14px;
    padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
  }
  .hero-badge strong{display:block;font-size:15px;line-height:1.3;font-variant-numeric:tabular-nums}
  .hero-badge small{display:block;font-size:11.5px;color:var(--c-text-3);letter-spacing:.02em}
  .hero-badge .pulse{
    width:10px;height:10px;border-radius:50%;background:var(--c-accent);flex:none;
    box-shadow:0 0 0 5px rgba(242,101,63,.16);
  }

  /* ============ 通用板块 ============ */
  .section{padding:76px 0}
  .section-soft{background:#FBF9F5;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
  .section-dark{background:var(--c-dark);color:var(--c-on-dark)}
  .section-dark .h2{color:var(--c-on-dark)}
  .section-dark .sec-desc{color:var(--c-on-dark-2)}
  .sec-kicker{
    font-size:12px;font-weight:700;letter-spacing:.16em;
    color:var(--c-accent);margin-bottom:12px;display:flex;align-items:center;gap:10px;
  }
  .sec-kicker::after{content:"";width:28px;height:1px;background:rgba(242,101,63,.5);display:block}
  .h2{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:700;line-height:1.32}
  .sec-desc{color:var(--c-text-2);max-width:38em;margin-top:14px;font-size:15.5px;line-height:1.9}
  .sec-head{margin-bottom:38px}
  .sec-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}

  /* ============ 按钮 / 标签 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
    border:1.5px solid transparent;cursor:pointer;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn:active{transform:translateY(0)}
  .btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
  .btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(242,101,63,.22)}
  .btn-primary:hover{background:#E15730;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,101,63,.30)}
  .btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
  .btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
  .btn-block{width:100%}
  .btn-light{background:#fff;color:var(--c-primary-deep)}
  .btn-light:hover{background:#EAF4F1;color:var(--c-primary-deep);transform:translateY(-2px)}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary)}
  .link-arrow::after{content:"→";transition:transform .22s ease}
  .link-arrow:hover::after{transform:translateX(4px)}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;letter-spacing:.04em;
    color:var(--c-primary);background:var(--c-primary-soft);
    border-radius:999px;padding:5px 12px;
  }
  .tag-accent{background:rgba(242,101,63,.12);color:#C4421F}

  /* ============ 卡片 ============ */
  .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
  .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .svc-card{
    background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
    padding:26px 24px;box-shadow:var(--sh-1);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE3DF}
  .svc-num{
    font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--c-accent);
    font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
  }
  .svc-card h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
  .svc-card p{font-size:14.8px;color:var(--c-text-2);line-height:1.85;margin:0}
  .issue-card{
    position:relative;background:#fff;border:1px solid var(--c-border);
    border-radius:var(--r-card);padding:24px 26px 24px 30px;box-shadow:var(--sh-1);
    transition:transform .3s ease,box-shadow .3s ease;
  }
  .issue-card::before{
    content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
    border-radius:3px;background:var(--c-primary);opacity:.55;
  }
  .issue-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .issue-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px}
  .issue-card p{font-size:14.6px;color:var(--c-text-2);margin:0;line-height:1.85}
  .issue-card .tag{margin-top:14px}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;padding-left:34px;margin-top:6px}
  .timeline::before{
    content:"";position:absolute;left:11px;top:10px;bottom:14px;width:2px;
    background:linear-gradient(180deg,#BFDBD5 0%,#E4EBE8 100%);border-radius:2px;
  }
  .tl-item{position:relative;padding-bottom:30px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{
    content:"";position:absolute;left:-32px;top:7px;width:14px;height:14px;
    border-radius:50%;background:#fff;border:3px solid var(--c-primary);
    transition:box-shadow .3s ease;
  }
  .tl-item.is-key::before{border-color:var(--c-accent);box-shadow:0 0 0 5px rgba(242,101,63,.14)}
  .tl-step{
    font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--c-text-3);
    font-variant-numeric:tabular-nums;margin-bottom:4px;display:block;
  }
  .tl-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
  .tl-item p{font-size:14.8px;color:var(--c-text-2);margin:0;line-height:1.85;max-width:34em}
  .tl-note{
    margin-top:22px;background:#fff;border:1px dashed #CFE3DF;border-radius:14px;
    padding:16px 20px;font-size:14px;color:var(--c-text-2);line-height:1.8;
  }
  .tl-note strong{color:var(--c-primary-deep)}

  /* ============ 深色自查清单 ============ */
  .check-list{display:grid;gap:14px;margin-top:6px}
  .check-list li{
    display:flex;gap:14px;align-items:flex-start;
    background:rgba(243,241,234,.04);border:1px solid rgba(243,241,234,.14);
    border-radius:14px;padding:18px 20px;
    transition:background .25s ease,border-color .25s ease,transform .25s ease;
  }
  .check-list li:hover{background:rgba(243,241,234,.08);border-color:rgba(242,101,63,.42);transform:translateY(-2px)}
  .check-dot{
    width:24px;height:24px;border-radius:50%;flex:none;margin-top:2px;
    display:grid;place-items:center;background:rgba(242,101,63,.16);color:#FFBBA6;
    font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .check-list h3{font-size:16px;font-weight:700;color:var(--c-on-dark);margin-bottom:4px}
  .check-list p{font-size:14.4px;color:var(--c-on-dark-2);margin:0;line-height:1.8}
  .dark-figure{border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(243,241,234,.14)}
  .dark-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
  .dark-figure:hover img{transform:scale(1.03)}

  /* ============ FAQ ============ */
  .faq-list{max-width:860px}
  .faq-item{
    position:relative;background:#fff;border:1px solid var(--c-border);
    border-radius:16px;margin-bottom:12px;overflow:hidden;
    transition:border-color .25s ease,box-shadow .25s ease;
  }
  .faq-item::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
    border-radius:3px;background:var(--c-accent);opacity:0;transition:opacity .25s ease;
  }
  .faq-item.open{border-color:#CFE3DF;box-shadow:var(--sh-2)}
  .faq-item.open::before{opacity:1}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:none;border:0;padding:18px 22px;text-align:left;cursor:pointer;
    font-size:16.5px;font-weight:600;color:var(--c-text);line-height:1.6;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--c-primary)}
  .faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:-4px}
  .faq-ico{
    width:26px;height:26px;flex:none;border-radius:50%;
    background:var(--c-primary-soft);color:var(--c-primary);
    display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
    transition:transform .28s ease,background .28s ease,color .28s ease;
  }
  .faq-item.open .faq-ico{transform:rotate(45deg);background:var(--c-accent);color:#fff}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
  .faq-item.open .faq-a{max-height:460px}
  .faq-a p{margin:0;padding:0 22px 20px;font-size:14.8px;color:var(--c-text-2);line-height:1.85}

  /* ============ CTA ============ */
  .cta-box{
    position:relative;overflow:hidden;
    background:var(--c-primary-soft);
    border:1px solid #CFE3DF;border-radius:24px;
    padding:48px 44px;
    display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  }
  .cta-box::after{
    content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
    border-radius:50%;background:radial-gradient(circle,rgba(15,92,85,.14),transparent 68%);
  }
  .cta-box h2{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:700;line-height:1.35;margin-bottom:12px}
  .cta-box p{color:var(--c-text-2);margin:0;font-size:15.4px;max-width:34em}
  .cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
  .cta-actions .link-arrow{justify-content:center}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--c-dark);color:var(--c-on-dark-2);padding:64px 0 26px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.65fr 1fr 1fr 1.15fr;gap:38px}
  .site-footer .brand-text{color:var(--c-on-dark);font-weight:700}
  .site-footer .brand:hover .brand-text{color:#fff}
  .footer-brand p{font-size:14px;line-height:1.85;color:var(--c-on-dark-2);margin:16px 0 0;max-width:30em}
  .footer-title{font-size:14px;font-weight:700;color:var(--c-on-dark);margin-bottom:16px;letter-spacing:.01em}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{
    font-size:14px;color:var(--c-on-dark-2);
    transition:color .2s ease,padding-left .2s ease;
  }
  .footer-links a:hover{color:var(--c-accent);padding-left:4px}
  .footer-contact li{
    font-size:14px;color:var(--c-on-dark-2);margin-bottom:10px;line-height:1.7;
    font-variant-numeric:tabular-nums;
  }
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(243,241,234,.14);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    font-size:12.8px;color:rgba(243,241,234,.55);
  }

  /* ============ 进入视口动画 ============ */
  [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.2,.7,.3,1),transform .5s cubic-bezier(.2,.7,.3,1)}
  [data-reveal].in{opacity:1;transform:none}

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    .hero{gap:36px}
  }
  @media (max-width:1023px){
    .page-shell{margin-left:0;padding-top:64px}
    .mobile-bar{display:flex}
    .side-panel{
      transform:translateX(-100%);width:min(86vw,332px);
      transition:transform .3s cubic-bezier(.2,.7,.3,1);
      box-shadow:0 24px 48px rgba(15,31,29,.18);
    }
    .side-panel.is-open{transform:none}
    .container{padding:0 24px}
    .hero{grid-template-columns:1fr;padding-top:26px}
    .hero-figure{order:-1}
    .hero-figure img{aspect-ratio:16/9}
    .hero-badge{left:12px;bottom:-10px}
    .sec-split{grid-template-columns:1fr;gap:28px}
    .section{padding:64px 0}
    .hero-wrap{padding-bottom:52px}
    .cta-box{grid-template-columns:1fr;padding:36px 28px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:767px){
    .grid-4,.grid-2{grid-template-columns:1fr}
    .section{padding:48px 0}
    .h1{font-size:clamp(1.85rem,7.4vw,2.4rem)}
    .lead{font-size:15.5px}
    .hero-actions .btn{width:100%}
    .hero-actions{gap:10px}
    .faq-q{font-size:15.5px;padding:16px 18px}
    .faq-a p{padding:0 18px 18px}
    .cta-actions .btn{width:100%}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .hero-figure::after{display:none}
    .breadcrumb{padding-top:18px}
  }
  @media (max-width:520px){
    .container{padding:0 18px}
    .footer-grid{grid-template-columns:1fr}
    .side-brand-sub{margin-bottom:16px}
    .svc-card,.issue-card{padding:20px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important}
    [data-reveal]{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* roulang page: category3 */
:root{
    --c-primary:#0F5C55;
    --c-primary-dark:#0A4640;
    --c-primary-100:#E6F2EF;
    --c-accent:#F2653F;
    --c-bg:#F7F5F0;
    --c-card:#FFFFFF;
    --c-dark:#0F1F1D;
    --c-line:#E3E0D8;
    --c-text:#161C1B;
    --c-text-2:#5C6663;
    --c-text-3:#8A918E;
    --r-card:18px;
    --r-img:16px;
    --shadow-1:0 1px 2px rgba(20,30,28,.05);
    --shadow-2:0 12px 28px rgba(15,92,85,.10);
    --side-w:248px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--c-primary-dark);}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding-left:1.1rem;}
  button{font:inherit;}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}

  /* ===== 左侧竖向导航 ===== */
  .site-sidebar{
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--side-w);
    background:#fff;
    border-right:1px solid var(--c-line);
    display:flex;
    flex-direction:column;
    padding:26px 18px 22px;
    z-index:50;
    overflow-y:auto;
  }
  .brand{display:flex;align-items:center;gap:10px;padding:0 8px;color:var(--c-text);}
  .brand:hover{color:var(--c-text);}
  .brand-mark{
    width:36px;height:36px;flex:none;
    border-radius:11px;
    background:var(--c-primary);
    display:grid;place-items:center;
  }
  .brand-mark svg{width:21px;height:21px;}
  .brand-text{font-size:15px;font-weight:700;letter-spacing:.01em;line-height:1.35;}

  .side-nav{
    display:flex;flex-direction:column;gap:4px;
    margin-top:22px;padding-top:18px;
    border-top:1px solid var(--c-line);
  }
  .side-nav-label{
    font-size:11px;letter-spacing:.16em;color:var(--c-text-3);
    padding:0 12px 8px;text-transform:uppercase;
  }
  .nav-link{
    display:flex;align-items:center;gap:8px;
    min-height:44px;padding:8px 12px;
    border-radius:12px;
    color:var(--c-text-2);
    font-size:14.5px;font-weight:500;
    line-height:1.5;
    position:relative;
    transition:background .22s ease,color .22s ease;
  }
  .nav-link:hover{background:var(--c-primary-100);color:var(--c-primary);}
  .nav-link.active{background:var(--c-primary-100);color:var(--c-primary);font-weight:700;}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
    border-radius:3px;background:var(--c-accent);
  }
  .dot-i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.35;flex:none;}
  .nav-link.active .dot-i{opacity:1;background:var(--c-accent);}

  .side-foot{margin-top:auto;padding-top:22px;}
  .side-note{font-size:12.5px;color:var(--c-text-3);line-height:1.7;margin-top:12px;}
  .side-note a{color:var(--c-text-2);text-decoration:underline;text-underline-offset:3px;}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;border:1.5px solid transparent;
    font-weight:600;line-height:1.2;cursor:pointer;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
  }
  .btn-primary{
    background:var(--c-accent);color:#fff;
    padding:14px 28px;
    box-shadow:0 6px 16px rgba(242,101,63,.24);
  }
  .btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(.94);box-shadow:0 12px 24px rgba(242,101,63,.30);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    border-color:var(--c-primary);color:var(--c-primary);
    padding:12px 26px;background:transparent;
  }
  .btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary-dark);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-block{width:100%;}
  .btn-sm{padding:11px 20px;font-size:14px;}

  /* ===== 主体容器 ===== */
  .content{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
  main{flex:1;}

  /* ===== 移动端顶栏与抽屉 ===== */
  .mobile-bar{
    display:none;
    position:fixed;top:0;left:0;right:0;height:64px;
    background:#fff;border-bottom:1px solid var(--c-line);
    align-items:center;justify-content:space-between;
    padding:0 18px;z-index:60;
  }
  .mobile-bar .brand{padding:0;}
  .mobile-bar .brand-text{font-size:14px;}
  .hamburger{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
    background:#fff;display:grid;place-items:center;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .hamburger:hover{background:var(--c-primary-100);border-color:#cfe3df;}
  .hamburger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative;}
  .hamburger span::before,.hamburger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;
  }
  .hamburger span::before{top:-6px;}
  .hamburger span::after{top:6px;}

  .drawer-mask{
    position:fixed;inset:0;background:rgba(15,31,29,.45);
    opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:70;
  }
  .drawer-mask.open{opacity:1;pointer-events:auto;}

  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;
    width:88%;max-width:360px;
    background:#fff;z-index:80;
    transform:translateX(102%);
    transition:transform .34s cubic-bezier(.2,.7,.3,1);
    display:flex;flex-direction:column;
    padding:22px 20px 24px;
    overflow-y:auto;
    box-shadow:-18px 0 40px rgba(15,31,29,.14);
  }
  .mobile-drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{
    width:38px;height:38px;border-radius:11px;border:1px solid var(--c-line);
    background:#fff;cursor:pointer;color:var(--c-text-2);font-size:18px;line-height:1;
    display:grid;place-items:center;transition:background .2s ease,color .2s ease;
  }
  .drawer-close:hover{background:var(--c-primary-100);color:var(--c-primary);}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px;}
  .drawer-nav .nav-link{min-height:50px;font-size:15.5px;border-bottom:1px solid #F1EEE7;border-radius:10px;}
  .drawer-cta{margin-top:auto;padding-top:22px;}

  /* ===== 面包屑 ===== */
  .breadcrumb{
    list-style:none;display:flex;flex-wrap:wrap;align-items:center;
    gap:8px;padding:0;margin:0 0 26px;
    font-size:13px;color:var(--c-text-3);
  }
  .breadcrumb li{display:flex;align-items:center;gap:8px;max-width:100%;}
  .breadcrumb li::after{content:"›";color:#B9B5AA;}
  .breadcrumb li:last-child::after{content:"";}
  .breadcrumb a{color:var(--c-text-2);}
  .breadcrumb a:hover{color:var(--c-primary);}
  .breadcrumb .current{color:var(--c-text);font-weight:600;}

  /* ===== Hero ===== */
  .hero{padding:52px 0 76px;}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--c-primary-100);color:var(--c-primary);
    font-size:12px;letter-spacing:.06em;font-weight:700;
    padding:6px 14px;border-radius:999px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
  .hero h1{
    font-size:clamp(1.95rem,3.5vw,2.95rem);
    font-weight:800;line-height:1.22;letter-spacing:-.02em;
    margin:20px 0 0;
  }
  .hero-lead{
    margin:18px 0 0;font-size:16.5px;color:var(--c-text-2);
    max-width:56ch;
  }
  .hero-points{
    display:flex;flex-wrap:wrap;gap:10px 26px;
    margin:26px 0 0;padding:0;list-style:none;
    font-size:13.5px;color:var(--c-text-2);
  }
  .hero-points li{display:flex;align-items:center;gap:8px;}
  .hero-points li::before{
    content:"";width:14px;height:14px;border-radius:50%;
    background:var(--c-primary-100);
    box-shadow:inset 0 0 0 2px var(--c-primary);
    flex:none;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-figure{
    border-radius:var(--r-img);overflow:hidden;
    border:1px solid var(--c-line);
    box-shadow:var(--shadow-2);
    aspect-ratio:4/3;background:var(--c-primary-100);
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .hero-figure:hover img{transform:scale(1.03);}

  /* ===== 区块通用 ===== */
  .section{padding:72px 0;}
  .section-alt{background:#FBFAF6;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
  .section-head{max-width:740px;margin-bottom:40px;}
  .section-num{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;font-weight:700;letter-spacing:.16em;
    color:var(--c-primary);
  }
  .section-num::before{content:"";width:14px;height:3px;border-radius:3px;background:var(--c-accent);}
  .section-title{
    font-size:clamp(1.5rem,2.4vw,2.15rem);
    font-weight:700;line-height:1.32;letter-spacing:-.02em;
    margin:14px 0 0;
  }
  .section-desc{margin:14px 0 0;color:var(--c-text-2);font-size:15.5px;}

  /* ===== 任务卡片墙 ===== */
  .task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .task-card{
    background:var(--c-card);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .task-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE3DF;}
  .task-thumb{
    position:relative;aspect-ratio:16/10;overflow:hidden;
    background:var(--c-primary-100);
  }
  .task-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .task-card:hover .task-thumb img{transform:scale(1.04);}
  .task-badge{
    position:absolute;left:14px;top:14px;
    font-size:12px;letter-spacing:.04em;font-weight:600;
    padding:5px 12px;border-radius:999px;
    background:rgba(15,31,29,.82);color:#fff;
  }
  .task-badge.is-accent{background:var(--c-accent);}
  .task-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .task-body h3{font-size:17.5px;font-weight:600;line-height:1.45;}
  .task-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}
  .task-list{list-style:none;padding:0;margin:2px 0 0;display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--c-text-2);}
  .task-list li{display:flex;gap:8px;align-items:flex-start;line-height:1.7;}
  .task-list li::before{
    content:"";width:5px;height:5px;border-radius:50%;
    background:var(--c-primary);opacity:.45;flex:none;margin-top:9px;
  }
  .task-link{
    margin-top:auto;padding-top:14px;
    font-size:14px;font-weight:600;color:var(--c-primary);
    display:inline-flex;align-items:center;gap:6px;
  }
  .task-link::after{content:"→";transition:transform .22s ease;}
  .task-link:hover::after{transform:translateX(4px);}

  /* ===== 阶段进度 ===== */
  .stage-panel{
    background:var(--c-card);
    border:1px solid var(--c-line);
    border-radius:22px;
    padding:38px 38px 34px;
    box-shadow:var(--shadow-1);
  }
  .stage-panel-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:26px;}
  .stage-panel-top h3{font-size:19px;font-weight:700;}
  .stage-panel-top span{font-size:13.5px;color:var(--c-text-3);}
  .progress-track{
    height:8px;border-radius:999px;background:var(--c-primary-100);
    position:relative;overflow:hidden;
  }
  .progress-fill{
    height:100%;width:0;border-radius:999px;
    background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
    position:relative;
    transition:width .8s cubic-bezier(.2,.7,.3,1);
  }
  .progress-fill::after{
    content:"";position:absolute;right:-4px;top:50%;
    width:16px;height:16px;border-radius:50%;
    transform:translateY(-50%);
    background:rgba(242,101,63,.28);
  }
  .stage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px;}
  .stage-item{padding-right:8px;}
  .stage-tag{
    display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;
    padding:4px 11px;border-radius:999px;
    background:var(--c-primary-100);color:var(--c-primary);
  }
  .stage-item.is-current .stage-tag{background:var(--c-accent);color:#fff;}
  .stage-item h4{font-size:15.5px;font-weight:700;margin:12px 0 6px;line-height:1.5;}
  .stage-item p{font-size:13.5px;color:var(--c-text-2);line-height:1.75;}

  /* ===== 对比表 ===== */
  .table-scroll{overflow-x:auto;border-radius:18px;}
  .compare-table{
    width:100%;min-width:680px;
    border-collapse:separate;border-spacing:0;
    background:#fff;border:1px solid var(--c-line);
    border-radius:18px;overflow:hidden;
    font-size:14.5px;
  }
  .compare-table th,.compare-table td{
    padding:16px 18px;text-align:left;
    border-bottom:1px solid var(--c-line);
    vertical-align:middle;
  }
  .compare-table thead th{
    background:var(--c-primary-100);
    color:var(--c-primary-dark);
    font-weight:700;font-size:14px;letter-spacing:.01em;
    border-bottom:1px solid #D3E6E1;
  }
  .compare-table tbody th{font-weight:700;color:var(--c-text);background:#FCFBF8;white-space:nowrap;}
  .compare-table tbody tr:last-child th,
  .compare-table tbody tr:last-child td{border-bottom:0;}
  .compare-table tbody tr:hover td{background:#FBFAF6;}
  .num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--c-primary);}
  .table-note{margin-top:16px;font-size:13px;color:var(--c-text-3);}

  /* ===== 流程 ===== */
  .flow-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .flow-item{
    background:#fff;border:1px solid var(--c-line);border-radius:18px;
    padding:26px;display:flex;gap:18px;
    box-shadow:var(--shadow-1);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CFE3DF;}
  .flow-num{
    font-size:28px;font-weight:800;line-height:1;
    color:var(--c-primary);opacity:.24;
    font-variant-numeric:tabular-nums;letter-spacing:-.02em;
    flex:none;
  }
  .flow-item h3{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:6px;}
  .flow-item p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}

  /* ===== 深色提醒块 ===== */
  .notice-band{
    background:var(--c-dark);
    border-radius:24px;
    padding:48px;
    color:rgba(243,241,234,.72);
  }
  .notice-band h2{
    color:#F3F1EA;
    font-size:clamp(1.4rem,2.1vw,1.85rem);
    font-weight:700;line-height:1.35;letter-spacing:-.01em;
  }
  .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
  .notice-item{
    border:1px solid rgba(243,241,234,.16);
    border-radius:16px;padding:22px;
    transition:border-color .25s ease,background .25s ease;
  }
  .notice-item:hover{border-color:rgba(242,101,63,.5);background:rgba(255,255,255,.03);}
  .notice-item h3{color:#F3F1EA;font-size:15.5px;font-weight:700;margin-bottom:8px;line-height:1.5;}
  .notice-item p{font-size:14px;line-height:1.8;}

  /* ===== FAQ ===== */
  .faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start;}
  .faq-aside h2{
    font-size:clamp(1.45rem,2.2vw,2rem);
    font-weight:700;line-height:1.34;letter-spacing:-.02em;
    margin:14px 0 0;
  }
  .faq-aside p{margin:14px 0 0;font-size:15px;color:var(--c-text-2);}
  .faq-aside .btn{margin-top:24px;}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--c-line);
    border-radius:16px;overflow:hidden;
    transition:border-color .24s ease,box-shadow .24s ease;
  }
  .faq-item.open{border-color:#CFE3DF;box-shadow:var(--shadow-2);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:16.5px;font-weight:600;color:var(--c-text);line-height:1.55;
    position:relative;
  }
  .faq-q::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
    border-radius:3px;background:var(--c-accent);opacity:0;transition:opacity .24s ease;
  }
  .faq-item.open .faq-q::before{opacity:1;}
  .faq-icon{
    flex:none;width:22px;height:22px;border-radius:50%;
    display:grid;place-items:center;
    border:1.5px solid #CFCBBF;color:var(--c-text-2);
    font-size:15px;line-height:1;
    transition:transform .3s ease,background .24s ease,border-color .24s ease,color .24s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.2,.7,.3,1);}
  .faq-item.open .faq-a{max-height:420px;}
  .faq-a-inner{padding:0 22px 20px 22px;font-size:14.5px;color:var(--c-text-2);line-height:1.85;}

  /* ===== CTA ===== */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--c-primary-100);
    border:1px solid #D3E6E1;
    border-radius:24px;
    padding:46px 48px;
    display:flex;align-items:center;justify-content:space-between;
    gap:32px;flex-wrap:wrap;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(15,92,85,.06) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(15,92,85,.06) 1px,transparent 1px);
    background-size:32px 32px;
  }
  .cta-band > *{position:relative;}
  .cta-band h2{font-size:clamp(1.4rem,2.1vw,1.9rem);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
  .cta-band p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:52ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ===== 页脚 ===== */
  .site-footer{
    background:var(--c-dark);
    color:rgba(243,241,234,.72);
    margin-top:80px;
    padding:64px 0 28px;
  }
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px;}
  .footer-brand .brand{padding:0;color:#F3F1EA;}
  .footer-brand .brand:hover{color:#F3F1EA;}
  .footer-brand .brand-text{color:#F3F1EA;}
  .footer-brand .brand-mark{background:rgba(255,255,255,.10);}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;max-width:38ch;}
  .footer-title{color:#F3F1EA;font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
  .footer-links a{color:rgba(243,241,234,.72);}
  .footer-links a:hover{color:var(--c-accent);padding-left:2px;}
  .footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14px;}
  .footer-bottom{
    margin-top:44px;padding-top:22px;
    border-top:1px solid rgba(243,241,234,.14);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:rgba(243,241,234,.55);
  }

  /* ===== 进入动画 ===== */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .45s cubic-bezier(.2,.7,.3,1),transform .45s cubic-bezier(.2,.7,.3,1);}
  .reveal.in{opacity:1;transform:none;}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none !important;transition:none !important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

  /* ===== 响应式 ===== */
  @media (max-width:1279px){
    :root{--side-w:220px;}
    .container{padding:0 32px;}
    .hero-grid{gap:40px;}
  }

  @media (max-width:1023px){
    .site-sidebar{display:none;}
    .mobile-bar{display:flex;}
    .content{margin-left:0;padding-top:64px;}
    .container{padding:0 24px;}
    .hero{padding:40px 0 56px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-figure{aspect-ratio:16/9;order:-1;}
    .section{padding:64px 0;}
    .task-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
    .stage-list{grid-template-columns:repeat(2,1fr);gap:22px;}
    .flow-grid{grid-template-columns:1fr;}
    .notice-grid{grid-template-columns:1fr;gap:16px;}
    .faq-layout{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-band{padding:36px;}
    .notice-band{padding:36px;}
    .stage-panel{padding:28px;}
  }

  @media (max-width:520px){
    .container{padding:0 18px;}
    .hero{padding:30px 0 44px;}
    .hero h1{font-size:1.75rem;line-height:1.28;}
    .hero-lead{font-size:15.5px;}
    .hero-actions{gap:12px;}
    .hero-actions .btn{width:100%;}
    .section{padding:48px 0;}
    .section-head{margin-bottom:28px;}
    .task-grid{grid-template-columns:1fr;}
    .stage-list{grid-template-columns:1fr;gap:20px;padding-left:16px;border-left:2px solid var(--c-primary-100);}
    .stage-item{padding-left:4px;position:relative;}
    .stage-item::before{
      content:"";position:absolute;left:-23px;top:8px;
      width:10px;height:10px;border-radius:50%;
      background:#fff;border:2px solid #CFE3DF;
    }
    .stage-item.is-current::before{background:var(--c-accent);border-color:var(--c-accent);}
    .flow-item{padding:22px;gap:14px;}
    .notice-band{padding:26px;}
    .cta-band{padding:28px 22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .faq-q{font-size:15.5px;padding:16px 18px;}
    .faq-a-inner{padding:0 18px 18px;}
  }

/* roulang page: category4 */
:root{
  --c-primary:#0F5C55;
  --c-primary-deep:#0A4640;
  --c-primary-soft:#E6F2EF;
  --c-accent:#F2653F;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0F1F1D;
  --c-border:#E3E0D8;
  --t-main:#161C1B;
  --t-sub:#5C6663;
  --t-weak:#8A918E;
  --t-light:#F3F1EA;
  --t-light-soft:rgba(243,241,234,.72);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,30,28,.05);
  --sh-2:0 12px 28px rgba(15,92,85,.10);
  --nav-w:248px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--t-main);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--c-accent)}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:639px){.container{padding:0 18px}}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#fff;border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;z-index:70;
  transition:transform .32s cubic-bezier(.2,.7,.3,1);
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  display:grid;place-items:center;box-shadow:0 6px 14px rgba(15,92,85,.22);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:14.5px;font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--t-main)}
.side-nav{margin-top:30px;display:flex;flex-direction:column;gap:4px}
.side-nav-label{font-size:12px;letter-spacing:.16em;color:var(--t-weak);padding:0 14px 8px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:14.5px;color:var(--t-sub);
  transition:background .25s ease,color .25s ease,padding-left .25s ease;
}
.nav-link .dot-i{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.45;flex:none;transition:opacity .25s}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.nav-link:hover .dot-i{opacity:.9}
.nav-link.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700}
.nav-link.active .dot-i{opacity:1}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--c-accent);
}
.side-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--c-border);margin-left:6px;margin-right:6px}
.side-cta{
  display:flex;align-items:center;justify-content:center;width:100%;height:44px;
  background:var(--c-accent);color:#fff;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;box-shadow:0 8px 18px rgba(242,101,63,.24);
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease;
}
.side-cta:hover{background:#de5633;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,101,63,.3)}
.side-cta:active{transform:translateY(0)}
.side-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--t-weak)}
.side-note a{color:var(--t-weak);border-bottom:1px solid rgba(138,145,142,.4)}
.side-note a:hover{color:var(--c-primary);border-color:var(--c-primary)}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:65;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--c-border);
}
.mobile-bar .brand-text{font-size:13.5px;max-width:64vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);
  background:#fff;display:grid;place-items:center;gap:4px;cursor:pointer;
  transition:background .25s,border-color .25s;
}
.burger:hover{background:var(--c-primary-soft);border-color:#CFE3DE}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t-main)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,31,29,.42);
  opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:68;
}
.drawer-mask.show{opacity:1;pointer-events:auto}

.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

@media (max-width:1023px){
  .sidebar{width:88%;max-width:360px;left:auto;right:0;transform:translateX(105%);box-shadow:-18px 0 44px rgba(15,31,29,.2);padding-top:22px}
  .sidebar.open{transform:translateX(0)}
  .page{margin-left:0}
  .mobile-bar{display:flex}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px rgba(242,101,63,.24)}
.btn-primary:hover{background:#de5633;color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(242,101,63,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(242,101,63,.22)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--c-primary);position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;
  background:var(--c-accent);transition:width .3s ease;
}
.text-link:hover{color:var(--c-accent)}
.text-link:hover::after{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-accent{background:var(--c-accent);color:#fff}
.badge-outline{background:transparent;border:1px solid var(--c-border);color:var(--t-sub)}
.card{
  background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8E6E1}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);
  margin-bottom:14px;
}
.sec-tag::before{content:"";width:12px;height:3px;border-radius:2px;background:var(--c-accent)}
.sec-head h2{
  font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:700;
  line-height:1.3;letter-spacing:-.02em;color:var(--t-main);
}
.sec-desc{margin-top:14px;font-size:16px;color:var(--t-sub);line-height:1.85}

/* ---------- 面包屑 ---------- */
.crumb{margin-bottom:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--t-weak)}
.crumb li{display:flex;align-items:center;gap:6px}
.crumb li:not(:last-child)::after{content:"›";color:#C3C6C0}
.crumb a{color:var(--t-weak)}
.crumb a:hover{color:var(--c-primary)}
.crumb li[aria-current]{color:var(--t-sub);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding:52px 0 78px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(15,92,85,.10),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.hero h1{
  font-size:clamp(2rem,3.6vw,3.15rem);font-weight:800;line-height:1.18;
  letter-spacing:-.02em;color:var(--t-main);
}
.hero h1 .hl{color:var(--c-primary);position:relative;white-space:nowrap}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(242,101,63,.18);border-radius:4px;z-index:-1;
}
.hero-lead{margin-top:20px;font-size:16.5px;color:var(--t-sub);max-width:34em;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  font-size:13px;color:var(--t-sub);background:#fff;border:1px solid var(--c-border);
  padding:5px 14px;border-radius:var(--r-pill);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;
  box-shadow:var(--sh-2);
}
.hero-media .float-card{
  position:absolute;left:-16px;bottom:22px;background:#fff;border:1px solid var(--c-border);
  border-radius:14px;padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.float-card .fc-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:none;box-shadow:0 0 0 5px rgba(242,101,63,.15)}
.float-card .fc-text{font-size:12.5px;color:var(--t-sub);line-height:1.5}
.float-card .fc-text strong{display:block;font-size:13.5px;color:var(--t-main)}

/* ---------- 数据条 ---------- */
.stat-band{
  margin-top:-28px;position:relative;z-index:2;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:26px 24px;border-right:1px solid var(--c-border)}
.stat-item:last-child{border-right:0}
.stat-num{
  font-size:clamp(1.7rem,2.6vw,2.3rem);font-weight:800;color:var(--c-primary);
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-unit{font-size:14px;font-weight:600;color:var(--t-sub);margin-left:4px}
.stat-label{margin-top:6px;font-size:13px;color:var(--t-weak);letter-spacing:.02em}

/* ---------- 等级卡墙 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tier-card{display:flex;flex-direction:column;overflow:hidden}
.tier-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft)}
.tier-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.tier-card:hover .tier-media img{transform:scale(1.03)}
.tier-media .badge{position:absolute;left:14px;top:14px;box-shadow:0 6px 14px rgba(15,31,29,.16)}
.tier-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.tier-name{font-size:17px;font-weight:700;color:var(--t-main);display:flex;align-items:baseline;gap:8px}
.tier-name span{font-size:12.5px;font-weight:600;color:var(--t-weak);letter-spacing:.04em}
.tier-list{display:flex;flex-direction:column;gap:8px;margin:2px 0 4px}
.tier-list li{
  font-size:13.8px;color:var(--t-sub);line-height:1.6;
  padding-left:18px;position:relative;
}
.tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;
  background:var(--c-primary);opacity:.55;
}
.tier-body .text-link{margin-top:auto;font-size:14px}

/* ---------- 权益矩阵 ---------- */
.matrix{overflow:hidden}
.matrix-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.matrix table{width:100%;border-collapse:collapse;min-width:760px}
.matrix th,.matrix td{
  padding:15px 18px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--c-border);
}
.matrix thead th{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-weight:700;font-size:14px;white-space:nowrap;
}
.matrix tbody th{font-weight:600;color:var(--t-main);background:#fff;white-space:nowrap}
.matrix tbody tr:hover td,.matrix tbody tr:hover th{background:#FAFAF6}
.matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:0}
.mark-yes{color:var(--c-primary);font-weight:700}
.mark-no{color:#BFC4C0}
.mark-part{color:var(--c-accent);font-weight:600;font-size:13px}
.matrix-note{
  display:flex;flex-wrap:wrap;gap:18px;padding:16px 20px;border-top:1px solid var(--c-border);
  font-size:13px;color:var(--t-weak);background:#FBFAF7;
}
.matrix-note span{display:inline-flex;align-items:center;gap:6px}
.matrix-note i{width:6px;height:6px;border-radius:2px;background:var(--c-primary);opacity:.6}

/* ---------- 升级路径 ---------- */
.path-wrap{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:36px 34px;box-shadow:var(--sh-1)}
.progress-meta{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.progress-meta strong{font-size:15px;color:var(--t-main);font-weight:700}
.progress-meta span{font-size:13.5px;color:var(--t-weak);font-variant-numeric:tabular-nums}
.progress-track{height:8px;border-radius:var(--r-pill);background:var(--c-primary-soft);overflow:hidden}
.progress-fill{
  height:100%;width:0;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transition:width .9s cubic-bezier(.2,.7,.3,1);
}
.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.stage{position:relative;padding-top:20px}
.stage::before{
  content:"";position:absolute;left:0;top:0;width:22px;height:3px;border-radius:2px;
  background:var(--c-border);
}
.stage.done::before{background:var(--c-primary)}
.stage.current::before{background:var(--c-accent)}
.stage-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;font-size:12.5px;font-weight:700;
  background:#F1EFE9;color:var(--t-weak);margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.stage.done .stage-idx{background:var(--c-primary-soft);color:var(--c-primary)}
.stage.current .stage-idx{background:var(--c-accent);color:#fff}
.stage h3{font-size:15.5px;font-weight:700;color:var(--t-main);line-height:1.5}
.stage p{margin-top:6px;font-size:13.5px;color:var(--t-sub);line-height:1.75}
.stage-state{margin-top:10px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--t-weak)}
.stage.current .stage-state{color:var(--c-accent)}
.stage.done .stage-state{color:var(--c-primary)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:32px}
.faq-aside h2{
  font-size:clamp(1.5rem,2.3vw,2rem);font-weight:700;line-height:1.3;
  letter-spacing:-.02em;margin-top:14px;
}
.faq-aside p{margin-top:14px;font-size:15.5px;color:var(--t-sub)}
.faq-aside .btn{margin-top:24px}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#D8E6E1}
.faq-item.open{box-shadow:var(--sh-1);border-color:#CFE3DE}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t-main);line-height:1.6;
  position:relative;transition:color .25s ease;
}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--c-accent);
}
.plus{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .3s ease;
}
.plus::before,.plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--t-sub);
  border-radius:2px;transform:translate(-50%,-50%);
}
.plus::before{width:12px;height:2px}
.plus::after{width:2px;height:12px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-item.open .plus::before,.faq-item.open .plus::after{background:var(--c-accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.2,.7,.3,1)}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 18px;font-size:15px;color:var(--t-sub);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--c-primary-soft);
  padding:48px 44px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(15,92,85,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,92,85,.07) 1px,transparent 1px);
  background-size:34px 34px;
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.95rem);font-weight:700;line-height:1.32;letter-spacing:-.02em}
.cta-band p{margin-top:10px;font-size:15.5px;color:var(--t-sub);max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--t-light);margin-top:96px;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px}
.footer-brand .brand{padding:0}
.footer-brand .brand-text{color:var(--t-light)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--t-light-soft);max-width:32em}
.footer-title{font-size:14px;font-weight:700;color:var(--t-light);margin-bottom:14px;letter-spacing:.02em}
.footer-links a{
  display:block;font-size:14px;color:var(--t-light-soft);padding:5px 0;
  transition:color .25s ease,padding-left .25s ease;
}
.footer-links a:hover{color:var(--c-accent);padding-left:6px}
.footer-contact li{font-size:14px;color:var(--t-light-soft);padding:5px 0;line-height:1.7}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(243,241,234,.14);
  font-size:13px;color:rgba(243,241,234,.55);
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.2,.7,.3,1),transform .5s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{gap:40px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .hero{padding:36px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .hero-media .float-card{left:12px;bottom:12px}
  .stat-band{grid-template-columns:repeat(2,1fr);margin-top:0}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-border)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .stage-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .path-wrap{padding:28px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:64px}
}
@media (max-width:639px){
  .section{padding:48px 0}
  .hero-actions .btn{width:100%}
  .hero h1{font-size:clamp(1.75rem,7vw,2.2rem)}
  .tier-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-border);padding:20px}
  .stat-item:last-child{border-bottom:0}
  .stage-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
    --c-primary:#0F5C55;
    --c-primary-deep:#0A4640;
    --c-tint:#E6F2EF;
    --c-accent:#F2653F;
    --c-accent-dark:#DC5330;
    --c-bg:#F7F5F0;
    --c-card:#FFFFFF;
    --c-dark:#0F1F1D;
    --c-line:#E3E0D8;
    --c-text:#161C1B;
    --c-muted:#5C6663;
    --c-weak:#8A918E;
    --c-on-dark:#F3F1EA;
    --c-on-dark-muted:rgba(243,241,234,.72);
    --radius-card:18px;
    --radius-sm:12px;
    --shadow-1:0 1px 2px rgba(20,30,28,.05);
    --shadow-2:0 12px 28px rgba(15,92,85,.10);
    --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    --side-w:248px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  html body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.85;
    color:var(--c-text);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
  button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input{font-family:inherit;font-size:inherit;}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
  ::selection{background:rgba(15,92,85,.16);}

  .container{width:100%;max-width:1180px;margin:0 auto;}

  /* ---------- 左侧竖向导航 ---------- */
  .side-bar{
    position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
    display:flex;flex-direction:column;
    padding:24px 16px 20px;
    background:#FFFFFF;
    border-right:1px solid var(--c-line);
    overflow-y:auto;
    z-index:70;
  }
  .side-bar::-webkit-scrollbar{width:6px;}
  .side-bar::-webkit-scrollbar-thumb{background:#DCD8CE;border-radius:3px;}
  .brand{display:flex;align-items:center;gap:10px;min-height:40px;}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    background:linear-gradient(145deg,#12736A,#0A4640);
    display:grid;place-items:center;
    box-shadow:0 6px 14px rgba(15,92,85,.22);
  }
  .brand-mark svg{width:21px;height:21px;}
  .brand-text{
    font-size:15px;font-weight:700;letter-spacing:.01em;
    color:var(--c-text);line-height:1.35;
  }
  .side-nav-label{
    display:block;margin:26px 0 10px 14px;
    font-size:11px;letter-spacing:.14em;color:var(--c-weak);
  }
  .side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
  .nav-link{
    position:relative;display:flex;align-items:center;gap:9px;
    min-height:44px;padding:10px 14px;border-radius:12px;
    font-size:14px;line-height:1.5;color:var(--c-muted);
  }
  .nav-link .dot-i{
    width:6px;height:6px;flex:0 0 6px;border-radius:50%;
    background:#DCD8CE;transition:background-color .2s ease;
  }
  .nav-link:hover{background:var(--c-tint);color:var(--c-primary);}
  .nav-link:hover .dot-i{background:var(--c-primary);}
  .nav-link.active{
    background:var(--c-tint);color:var(--c-primary);font-weight:700;
  }
  .nav-link.active .dot-i{background:var(--c-accent);}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;
    width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);
  }
  .side-bottom{margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line);}
  .side-note{
    margin-top:10px;font-size:12px;line-height:1.7;color:var(--c-weak);text-align:center;
  }
  .mobile-bar{display:none;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 28px;border-radius:999px;
    font-size:15px;font-weight:600;line-height:1.2;
    transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--c-accent);color:#FFFFFF;
    box-shadow:0 8px 20px rgba(242,101,63,.26);
  }
  .btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,101,63,.32);color:#fff;}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    border:1.5px solid var(--c-primary);color:var(--c-primary);background:transparent;
  }
  .btn-ghost:hover{background:var(--c-tint);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-block{display:flex;width:100%;padding:12px 16px;font-size:14px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--c-primary);
    border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
  }
  .link-arrow:hover{border-bottom-color:var(--c-primary);}

  /* ---------- 页面主体 ---------- */
  .page-wrap{margin-left:var(--side-w);}
  .page-main{padding:0 40px 96px;}
  .breadcrumb{padding:28px 0 6px;}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-weak);}
  .breadcrumb a{color:var(--c-muted);}
  .breadcrumb a:hover{color:var(--c-primary);}
  .breadcrumb .sep{color:#C8C3B7;}
  .breadcrumb .current{color:var(--c-text);font-weight:600;}

  /* ---------- Hero ---------- */
  .hero{
    display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
    gap:56px;align-items:center;
    padding:32px 0 72px;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:var(--c-tint);color:var(--c-primary);
    font-size:12px;font-weight:600;letter-spacing:.04em;
  }
  .eyebrow::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  }
  .hero h1{
    margin:20px 0 0;
    font-size:clamp(2.05rem,3.6vw,3.1rem);
    font-weight:800;line-height:1.18;letter-spacing:-.02em;
  }
  .hero h1 .hl{color:var(--c-primary);}
  .hero-sub{
    margin-top:16px;font-size:17px;line-height:1.8;color:var(--c-muted);max-width:34em;
  }
  .search-box{
    display:flex;align-items:center;gap:10px;
    margin-top:26px;padding:6px 6px 6px 18px;
    background:#FFFFFF;border:1px solid var(--c-line);border-radius:14px;
    box-shadow:var(--shadow-1);max-width:520px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,85,.12);}
  .search-box svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--c-weak);}
  .search-box input{
    flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;
    height:44px;color:var(--c-text);
  }
  .search-box input::placeholder{color:var(--c-weak);}
  .search-box .search-go{
    flex:0 0 auto;padding:10px 20px;border-radius:10px;
    background:var(--c-primary);color:#FFFFFF;font-size:14px;font-weight:600;
    transition:background-color .2s ease,transform .2s ease;
  }
  .search-box .search-go:hover{background:var(--c-primary-deep);transform:translateY(-1px);}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:7px 15px;border-radius:999px;
    background:#FFFFFF;border:1px solid var(--c-line);
    font-size:13px;color:var(--c-muted);
    transition:all .2s ease;
  }
  .chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-tint);}
  .chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#FFFFFF;}

  .hero-visual{position:relative;}
  .hero-visual .frame{
    position:relative;overflow:hidden;border-radius:22px;
    border:1px solid var(--c-line);box-shadow:var(--shadow-2);
    aspect-ratio:4/3;background:#EAE6DC;
  }
  .hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1);}
  .hero-visual:hover img{transform:scale(1.03);}
  .float-card{
    position:absolute;left:-18px;bottom:24px;
    background:#FFFFFF;border:1px solid var(--c-line);border-radius:16px;
    padding:14px 18px;box-shadow:var(--shadow-2);
    display:flex;align-items:center;gap:12px;
  }
  .float-card .num{
    font-size:22px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;
    font-variant-numeric:tabular-nums;
  }
  .float-card .txt{font-size:12px;line-height:1.5;color:var(--c-muted);}

  /* ---------- 通用板块 ---------- */
  .section{padding:72px 0;border-top:1px solid var(--c-line);}
  .section:first-of-type{border-top:0;}
  .section-head{max-width:660px;margin-bottom:32px;}
  .section-kicker{
    display:block;font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--c-accent);margin-bottom:10px;
  }
  .section h2{
    font-size:clamp(1.45rem,2.2vw,2rem);font-weight:700;line-height:1.32;letter-spacing:-.02em;
  }
  .section-desc{margin-top:12px;color:var(--c-muted);font-size:15.5px;line-height:1.85;}

  /* ---------- 高频指引列表 ---------- */
  .guide-list{
    background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .guide-row{
    display:flex;align-items:flex-start;gap:20px;
    padding:24px 28px;border-top:1px solid var(--c-line);
    transition:background-color .22s ease;
  }
  .guide-row:first-child{border-top:0;}
  .guide-row:hover{background:#FBF9F5;}
  .guide-idx{
    flex:0 0 auto;width:44px;height:44px;border-radius:12px;
    display:grid;place-items:center;
    background:var(--c-tint);color:var(--c-primary);
    font-size:14px;font-weight:800;letter-spacing:.02em;
  }
  .guide-body{flex:1 1 auto;min-width:0;}
  .guide-body h3{font-size:17px;font-weight:600;line-height:1.5;}
  .guide-body p{margin-top:6px;font-size:14.5px;line-height:1.8;color:var(--c-muted);}
  .guide-link{
    flex:0 0 auto;align-self:center;
    display:inline-flex;align-items:center;gap:6px;
    font-size:13.5px;font-weight:600;color:var(--c-primary);
  }
  .guide-link:hover{color:var(--c-accent);}
  .guide-link svg{width:15px;height:15px;stroke:currentColor;transition:transform .2s ease;}
  .guide-link:hover svg{transform:translateX(3px);}

  /* ---------- FAQ ---------- */
  .faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:start;}
  .faq-aside{position:sticky;top:32px;}
  .faq-aside h2{margin-bottom:12px;}
  .faq-aside p{font-size:14.5px;line-height:1.85;color:var(--c-muted);}
  .faq-aside .btn{margin-top:22px;}
  .faq-item{
    background:#FFFFFF;border:1px solid var(--c-line);border-radius:14px;
    box-shadow:var(--shadow-1);overflow:hidden;
    transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq-item + .faq-item{margin-top:12px;}
  .faq-item:hover{border-color:#CFCABE;}
  .faq-item[open]{border-color:rgba(15,92,85,.4);box-shadow:0 8px 22px rgba(15,92,85,.08);}
  .faq-item summary{
    position:relative;display:flex;align-items:center;justify-content:space-between;
    gap:18px;padding:18px 24px;list-style:none;cursor:pointer;
    font-size:17px;font-weight:600;line-height:1.6;color:var(--c-text);
    transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;background:var(--c-tint);color:var(--c-primary);
    transition:transform .25s ease,background-color .25s ease,color .25s ease;
  }
  .faq-item summary .plus svg{width:13px;height:13px;stroke:currentColor;}
  .faq-item[open] summary{color:var(--c-primary);}
  .faq-item[open] summary .plus{transform:rotate(45deg);background:var(--c-accent);color:#FFFFFF;}
  .faq-item[open] summary::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
    border-radius:0 3px 3px 0;background:var(--c-accent);
  }
  .faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--c-muted);}
  .faq-answer strong{color:var(--c-text);font-weight:600;}

  /* ---------- 排查步骤 ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .step{
    position:relative;background:#FFFFFF;border:1px solid var(--c-line);
    border-radius:var(--radius-card);padding:28px 24px 26px;box-shadow:var(--shadow-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8D2C5;}
  .step .step-no{
    font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--c-accent);
    font-variant-numeric:tabular-nums;
  }
  .step h3{margin-top:12px;font-size:18px;font-weight:700;line-height:1.5;}
  .step p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--c-muted);}
  .step::after{
    content:"";position:absolute;left:24px;top:20px;width:22px;height:3px;border-radius:2px;
    background:var(--c-accent);opacity:.9;
  }
  .step .step-no{display:inline-block;margin-top:14px;}

  /* ---------- 相关栏目 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .rel-card{
    display:flex;align-items:center;gap:18px;
    background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8D2C5;}
  .rel-thumb{
    flex:0 0 auto;width:84px;height:84px;border-radius:14px;overflow:hidden;background:#EAE6DC;
  }
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .rel-card:hover .rel-thumb img{transform:scale(1.06);}
  .rel-body h3{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--c-text);}
  .rel-body p{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--c-muted);}
  .rel-card:hover .rel-body h3{color:var(--c-primary);}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    border-radius:24px;padding:52px 48px;
    background:var(--c-dark);color:var(--c-on-dark);
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(243,241,234,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(243,241,234,.06) 1px,transparent 1px);
    background-size:44px 44px;
    pointer-events:none;
  }
  .cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
  .cta-inner h2{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
  .cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-on-dark-muted);max-width:38em;}
  .cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
  .cta-actions .link-arrow{color:var(--c-on-dark);}
  .cta-actions .link-arrow:hover{border-bottom-color:var(--c-accent);color:var(--c-accent);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-dark);color:var(--c-on-dark);padding:64px 0 28px;margin-top:0;}
  .site-footer .container{padding:0 40px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;}
  .footer-brand .brand{margin-bottom:16px;}
  .footer-brand .brand-text{color:var(--c-on-dark);}
  .footer-brand p{font-size:13.5px;line-height:1.9;color:var(--c-on-dark-muted);max-width:30em;}
  .footer-title{font-size:14px;font-weight:700;color:var(--c-on-dark);margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:13.5px;color:var(--c-on-dark-muted);
    transition:color .2s ease,padding-left .2s ease;
  }
  .footer-links a:hover{color:var(--c-accent);padding-left:2px;}
  .footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--c-on-dark-muted);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(243,241,234,.14);
    font-size:12.5px;color:rgba(243,241,234,.6);
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(15,31,29,.48);
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .nav-drawer{
    position:fixed;top:0;right:0;width:88%;max-width:360px;height:100vh;
    background:#FFFFFF;z-index:90;display:flex;flex-direction:column;
    padding:22px 18px;transform:translateX(102%);
    transition:transform .32s cubic-bezier(.2,.7,.3,1);
    overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
    background:var(--c-tint);color:var(--c-primary);
  }
  .drawer-close svg{width:16px;height:16px;stroke:currentColor;}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0;}
  .drawer-nav .nav-link{min-height:50px;font-size:15px;}
  .drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    :root{--side-w:224px;}
    .hero{gap:40px;padding-bottom:56px;}
    .faq-layout{grid-template-columns:260px minmax(0,1fr);gap:36px;}
    .page-main{padding:0 32px 80px;}
    .site-footer .container{padding:0 32px;}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
    .footer-grid > div:last-child{grid-column:1 / -1;}
  }
  @media (max-width:1023px){
    .side-bar{display:none;}
    .page-wrap{margin-left:0;}
    .mobile-bar{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      position:sticky;top:0;z-index:75;
      height:64px;padding:0 18px;
      background:rgba(247,245,240,.94);
      backdrop-filter:saturate(140%) blur(8px);
      border-bottom:1px solid var(--c-line);
    }
    .mobile-bar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
    .mobile-bar .brand-text{font-size:14px;}
    .burger{
      width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
      background:#FFFFFF;border:1px solid var(--c-line);color:var(--c-primary);
    }
    .burger svg{width:20px;height:20px;stroke:currentColor;}
    .page-main{padding:0 24px 64px;}
    .site-footer .container{padding:0 24px;}
    .hero{grid-template-columns:1fr;gap:32px;padding:24px 0 48px;}
    .hero-visual .frame{aspect-ratio:16/10;}
    .float-card{left:14px;bottom:14px;padding:12px 16px;}
    .section{padding:56px 0;}
    .faq-layout{grid-template-columns:1fr;gap:28px;}
    .faq-aside{position:static;}
    .steps{grid-template-columns:1fr;gap:16px;}
    .rel-grid{grid-template-columns:1fr;gap:16px;}
    .cta-band{padding:40px 28px;border-radius:20px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .footer-grid > div:first-child{grid-column:1 / -1;}
    .footer-grid > div:last-child{grid-column:1 / -1;}
  }
  @media (max-width:640px){
    html body{font-size:15.5px;}
    .page-main{padding:0 18px 56px;}
    .site-footer .container{padding:0 18px;}
    .hero h1{font-size:1.95rem;}
    .hero-sub{font-size:15.5px;}
    .search-box{padding:6px 6px 6px 14px;}
    .search-box .search-go{padding:10px 16px;font-size:13px;}
    .section{padding:48px 0;}
    .guide-row{padding:20px 20px;gap:14px;}
    .guide-row .guide-link{display:none;}
    .guide-idx{width:38px;height:38px;border-radius:10px;font-size:13px;}
    .faq-item summary{padding:16px 18px;font-size:15.5px;gap:12px;}
    .faq-answer{padding:0 18px 18px;font-size:14.5px;}
    .rel-card{padding:16px;gap:14px;}
    .rel-thumb{width:66px;height:66px;border-radius:12px;}
    .cta-band{padding:32px 22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .float-card{display:none;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  }