/* roulang page: index */
:root{
  --brand-900:#0C3B35;
  --brand-700:#0F4C43;
  --brand-500:#157268;
  --amber-500:#F0A93B;
  --coral-500:#E0563F;
  --paper:#FAF7F2;
  --paper-2:#F2EDE4;
  --ink:#1B1A18;
  --ink-2:#5C574F;
  --line:#E6DFD5;
  --ok:#2F9E8F;
  --shadow-1:0 1px 2px rgba(27,26,24,.06), 0 8px 24px -12px rgba(12,59,53,.18);
  --shadow-2:0 2px 4px rgba(27,26,24,.07), 0 18px 40px -18px rgba(12,59,53,.28);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35}
h3{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.tnum{font-variant-numeric:tabular-nums}

/* 页面容器 */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding-top:80px;padding-bottom:80px}
.section-tight{padding-top:56px;padding-bottom:56px}

/* 侧栏 */
.app-sidebar{
  background:var(--brand-900);
  color:#F4F1EB;
  transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.app-sidebar .side-title{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(244,241,235,.52)
}
.nav-item{
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:10px;
  font-size:14.5px;color:rgba(244,241,235,.82);
  position:relative;
  transition:background .15s ease,color .15s ease;
}
.nav-item i{font-size:16px;width:20px;text-align:center;opacity:.85}
.nav-item:hover{background:rgba(250,247,242,.10);color:#fff}
.nav-item:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px}
.nav-item.is-active{
  background:rgba(240,169,59,.14);
  color:#FFFFFF;
}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--amber-500);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease,color .15s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber-500);color:#1B1A18;box-shadow:var(--shadow-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-outline:hover{background:rgba(21,114,104,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{height:auto;padding:0;border:none;color:var(--brand-700);font-weight:600;border-bottom:1.5px solid rgba(15,76,67,.35);border-radius:0}
.btn-ghost:hover{border-bottom-color:var(--brand-700)}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn[disabled]{opacity:.45;pointer-events:none;transform:none}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(240,169,59,.18);color:var(--brand-700);
}
.badge-soft{background:rgba(21,114,104,.10);color:var(--brand-700)}
.badge-ok{background:rgba(47,158,143,.14);color:#1F6F64}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:13px;color:var(--ink-2);
  transition:border-color .15s ease,color .15s ease;
}
.chip:hover{border-color:rgba(21,114,104,.45);color:var(--brand-700)}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
  display:flex;flex-direction:column;
}
.card:hover{box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.4);transform:translateY(-2px)}
.card-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;backdrop-filter:blur(2px)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:17.5px;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(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);padding-top:12px;border-top:1px solid var(--line);
}
.card-foot .arrow{
  width:28px;height:28px;border-radius:999px;display:grid;place-items:center;
  background:rgba(21,114,104,.08);color:var(--brand-700);transition:background .2s ease,transform .2s ease;
}
.card:hover .card-foot .arrow{background:var(--brand-700);color:#fff;transform:translateX(2px)}

/* 装饰底纹 */
.dotgrid{
  background-image:radial-gradient(rgba(12,59,53,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.35;
}
.hairline{height:1px;background:var(--line);border:0;margin:0}

/* 轮播 */
.scroll-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scroll-behavior:smooth;
}
.scroll-track::-webkit-scrollbar{display:none}
.scroll-track{-ms-overflow-style:none;scrollbar-width:none}
.scroll-item{scroll-snap-align:start;flex:0 0 auto;width:86%}
@media(min-width:640px){.scroll-item{width:48%}}
@media(min-width:1024px){.scroll-item{width:calc((100% - 48px) / 3)}}
.dots{display:flex;gap:8px;justify-content:center;margin-top:22px}
.dot{width:8px;height:8px;border-radius:999px;background:var(--line);transition:width .2s ease,background .2s ease}
.dot.is-on{width:22px;background:var(--brand-700)}
.carousel-arrow{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--brand-700);cursor:pointer;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.carousel-arrow:hover{border-color:var(--brand-700);box-shadow:var(--shadow-1)}

/* 保障条 */
.guard-item{display:flex;gap:14px;align-items:flex-start}
.guard-icon{
  width:40px;height:40px;border-radius:999px;flex:0 0 40px;
  display:grid;place-items:center;background:rgba(21,114,104,.09);color:var(--brand-700);font-size:16px;
}
.guard-title{font-size:15px;font-weight:600;line-height:1.6}
.guard-desc{font-size:13px;color:var(--ink-2);line-height:1.7}

/* 深色 CTA 条 */
.cta-band{
  background:var(--brand-900);color:#F4F1EB;border-radius:var(--r-card);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(240,169,59,.10);
}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(244,241,235,.78)}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-link{display:block;font-size:14px;padding:5px 0;color:rgba(244,241,235,.72);transition:color .15s ease}
.footer-link:hover{color:var(--amber-500);text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding-top:20px;margin-top:36px;
  text-align:center;font-size:12px;color:rgba(244,241,235,.55);
}

/* 面包屑 */
.crumb{font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#C6BEB1}
.crumb .cur{color:var(--ink)}

/* 最新信息大卡 */
.feature-post{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:768px){.feature-post{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}}
.feature-post:hover{border-color:rgba(21,114,104,.4);box-shadow:var(--shadow-2)}
.feature-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--paper-2)}
@media(min-width:768px){.feature-media{aspect-ratio:auto;height:100%;min-height:280px}}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.feature-post:hover .feature-media img{transform:scale(1.04)}

/* 移动抽屉遮罩 */
#overlay{position:fixed;inset:0;background:rgba(12,59,53,.5);z-index:35}
.no-scroll{overflow:hidden}

@media(max-width:1023px){
  .section{padding-top:48px;padding-bottom:48px}
  .cta-band{padding:32px 22px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --brand-900:#0C3B35; --brand-700:#0F4C43; --brand-500:#157268;
  --amber-500:#F0A93B; --coral-500:#E0563F;
  --paper:#FAF7F2; --paper-2:#F2EDE4;
  --ink:#1B1A18; --ink-2:#5C574F; --line:#E6DFD5; --online:#2F9E8F;
  --shadow-1:0 1px 2px rgba(27,26,24,.06), 0 8px 24px -12px rgba(12,59,53,.18);
  --shadow-2:0 2px 6px rgba(27,26,24,.08), 0 18px 40px -18px rgba(12,59,53,.26);
  --r-card:16px; --r-img:12px; --r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:system-ui,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px; line-height:1.8; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
button,input,textarea,select{font:inherit; color:inherit}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(28px,4vw,44px); font-weight:700; line-height:1.25; letter-spacing:-.01em}
h2{font-size:clamp(22px,2.4vw,30px); font-weight:700; line-height:1.35}
h3{font-size:17px; font-weight:600; line-height:1.5}
.num{font-variant-numeric:tabular-nums}
.container-x{max-width:1200px; margin:0 auto; padding:0 20px}
@media (min-width:768px){ .container-x{padding:0 32px} }

/* ---------- 侧栏导航 ---------- */
.side-nav-link{
  position:relative; display:flex; align-items:center; gap:12px;
  height:44px; padding:0 12px; border-radius:10px;
  font-size:14.5px; color:rgba(250,247,242,.72);
  transition:background .15s ease,color .15s ease;
}
.side-nav-link i{width:20px; text-align:center; font-size:16px; opacity:.85}
.side-nav-link:hover{background:var(--paper-2); color:var(--ink)}
.side-nav-link.is-active{
  background:rgba(21,114,104,.28); color:#fff; font-weight:600;
}
.side-nav-link.is-active::before{
  content:""; position:absolute; left:0; top:8px; bottom:8px;
  width:3px; border-radius:999px; background:var(--amber-500);
}
.nav-group-title{
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:rgba(250,247,242,.4); padding:0 12px; margin:18px 0 8px;
}
.drawer-link{
  display:flex; align-items:center; gap:12px; height:48px; padding:0 14px;
  border-radius:10px; color:rgba(250,247,242,.78); font-size:15px;
}
.drawer-link.is-active{background:rgba(21,114,104,.3); color:#fff; font-weight:600}
.drawer-link i{width:20px; text-align:center; opacity:.85}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:46px; padding:0 22px; border-radius:var(--r-btn);
  font-size:15px; font-weight:600; cursor:pointer; border:1.5px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{background:var(--amber-500); color:var(--ink); box-shadow:var(--shadow-1)}
.btn-primary:hover{transform:translateY(-1px); box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-700); color:var(--brand-700)}
.btn-outline:hover{background:rgba(21,114,104,.08); transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{padding:0 4px; height:auto; color:var(--brand-700); border:none; border-bottom:1.5px solid currentColor; border-radius:0}
.btn-ghost:hover{color:var(--brand-900)}
.btn:focus-visible, a:focus-visible, button:focus-visible{outline:2px solid var(--brand-500); outline-offset:2px}
.btn[disabled]{opacity:.45; transform:none; pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex; align-items:center; gap:6px; height:26px; padding:0 12px;
  border-radius:999px; background:rgba(240,169,59,.16); color:var(--brand-700);
  font-size:12px; font-weight:600; letter-spacing:.02em;
}
.chip{
  display:inline-flex; align-items:center; height:36px; padding:0 16px;
  border-radius:999px; border:1px solid var(--line); background:#fff;
  font-size:13.5px; color:var(--ink-2); transition:all .15s ease;
}
.chip:hover{border-color:var(--brand-500); color:var(--brand-700); background:rgba(21,114,104,.06)}
.chip.is-active{background:var(--brand-700); border-color:var(--brand-700); color:#fff; font-weight:600}
.eyebrow{font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--brand-500); font-weight:600}

/* ---------- 卡片 ---------- */
.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
  overflow:hidden; box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease, border-color .2s ease, transform .2s ease;
  display:flex; flex-direction:column; height:100%;
}
.card:hover{box-shadow:var(--shadow-2); border-color:rgba(21,114,104,.4); transform:translateY(-2px)}
.card-img{position:relative; aspect-ratio:4/3; overflow:hidden; background:var(--paper-2)}
.card-img img{width:100%; height:100%; object-fit:cover; transition:transform .3s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-img .badge{position:absolute; top:12px; left:12px; background:rgba(240,169,59,.9); color:var(--brand-900)}
.card-body{padding:20px; 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(--ink-2); line-height:1.75; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.card-foot{margin-top:auto; padding-top:14px; border-top:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; font-size:13px; color:var(--ink-2)}
.card-foot i{color:var(--brand-500)}

/* 大卡（跨两列） */
.hero-card{background:#fff; border:1px solid var(--line); border-radius:var(--r-card); overflow:hidden; box-shadow:var(--shadow-1); transition:box-shadow .2s ease, border-color .2s ease}
.hero-card:hover{box-shadow:var(--shadow-2); border-color:rgba(21,114,104,.4)}
.hero-card .media{position:relative; overflow:hidden; background:var(--paper-2)}
.hero-card .media img{width:100%; height:100%; object-fit:cover; transition:transform .3s ease}
.hero-card:hover .media img{transform:scale(1.04)}

/* ---------- 步骤 / 要点列表 ---------- */
.step-item{position:relative; padding-left:60px}
.step-index{
  position:absolute; left:0; top:2px; width:40px; height:40px; border-radius:12px;
  background:var(--brand-900); color:#fff; display:grid; place-items:center;
  font-size:15px; font-weight:700;
}
.dot-item{display:flex; gap:12px; align-items:flex-start}
.dot-item .ico{
  flex:0 0 auto; width:34px; height:34px; border-radius:10px; display:grid; place-items:center;
  background:rgba(21,114,104,.1); color:var(--brand-700); font-size:14px;
}
.hairline{height:1px; background:var(--line)}

/* ---------- 分页 ---------- */
.pager{display:flex; align-items:center; justify-content:center; gap:8px; flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px; height:42px; padding:0 14px; border-radius:10px;
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid var(--line); background:#fff; font-size:14px; color:var(--ink-2);
  transition:all .15s ease;
}
.pager a:hover{border-color:var(--brand-500); color:var(--brand-700); box-shadow:var(--shadow-1)}
.pager .is-current{background:var(--brand-700); border-color:var(--brand-700); color:#fff; font-weight:600}

/* ---------- CTA 大条 ---------- */
.cta-band{
  background:var(--brand-900); border-radius:20px; overflow:hidden; position:relative;
}
.cta-band::after{
  content:""; position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
  background-size:16px 16px; opacity:.5; pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900); color:var(--paper)}
.site-footer h4{font-size:14px; font-weight:600; color:#fff; margin-bottom:14px; letter-spacing:.02em}
.footer-link{display:block; font-size:14px; line-height:2.1; color:rgba(250,247,242,.62); transition:color .15s ease}
.footer-link:hover{color:var(--amber-500); text-decoration:underline}
.footer-bottom{margin-top:40px; padding-top:20px; border-top:1px solid rgba(255,255,255,.1); text-align:center; font-size:12px; color:rgba(250,247,242,.5)}

/* ---------- 抽屉 ---------- */
#navDrawer{transition:transform .3s ease}
#navOverlay{transition:opacity .3s ease}
body.nav-open{overflow:hidden}

@media (max-width:1023px){
  h1{font-size:clamp(26px,6vw,30px)}
  .step-item{padding-left:52px}
}

/* roulang page: article */
:root{
  --brand-900:#0C3B35;
  --brand-700:#0F4C43;
  --brand-500:#157268;
  --amber-500:#F0A93B;
  --coral-500:#E0563F;
  --paper:#FAF7F2;
  --paper-2:#F2EDE4;
  --ink:#1B1A18;
  --ink-2:#5C574F;
  --line:#E6DFD5;
  --ok:#2F9E8F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(27,26,24,.06), 0 8px 24px -12px rgba(12,59,53,.18);
  --shadow-2:0 2px 4px rgba(27,26,24,.07), 0 18px 40px -16px rgba(12,59,53,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;padding:0;
  font-family:system-ui,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;border:0}
.site-body a{color:inherit;text-decoration:none}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body h5{margin:0;font-weight:700;line-height:1.35}
.site-body p{margin:0}
body.drawer-open{overflow:hidden}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.container-wide{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-wide,.container-x{padding:0 28px}}
.main-shift{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
.main-shift > .page-main{flex:1 1 auto}
@media (min-width:1024px){.main-shift{margin-left:264px}}

/* ---------- app shell : sidebar ---------- */
.app-side{
  position:fixed;top:0;bottom:0;left:0;width:264px;z-index:40;
  background:var(--brand-900);display:none;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.07);
}
.app-side::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:20px 20px;
}
@media (min-width:1024px){.app-side{display:flex}}
.app-side-head{padding:22px 20px 18px;position:relative;z-index:1}
.brand-link{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--amber-500);color:var(--brand-900);
  display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.02em;flex:0 0 auto;
}
.brand-name{display:block;font-size:16px;font-weight:700;color:#fff;line-height:1.2}
.brand-sub{display:block;font-size:11px;color:rgba(250,247,242,.5);letter-spacing:.06em;margin-top:3px;line-height:1.2}
.app-nav{padding:8px 14px 0;position:relative;z-index:1;flex:1 1 auto;overflow-y:auto}
.nav-group-title{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(250,247,242,.4);padding:14px 10px 8px;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;height:44px;padding:0 12px;
  border-radius:10px;font-size:14.5px;color:rgba(250,247,242,.72);
  transition:background .15s ease,color .15s ease;
}
.nav-item i{width:20px;font-size:15px;text-align:center;flex:0 0 auto;opacity:.9}
.nav-item:hover{background:rgba(242,237,228,.1);color:#fff}
.nav-item:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px}
.nav-item.is-active{background:rgba(21,114,104,.32);color:#fff}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:0 3px 3px 0;
  background:var(--amber-500);
}
.app-side-foot{padding:16px 18px 22px;border-top:1px solid rgba(255,255,255,.08);position:relative;z-index:1}
.app-side-foot .btn{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .15s ease,box-shadow .15s ease,background-color .15s ease,border-color .15s ease,color .15s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-primary{background:var(--amber-500);color:#1B1A18;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#E9A02C;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1.5px solid rgba(250,247,242,.45);color:#FAF7F2}
.btn-outline:hover{background:rgba(250,247,242,.12);transform:translateY(-1px)}
.btn-ghostline{border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-ghostline:hover{background:rgba(15,76,67,.08);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;transform:none!important;box-shadow:none}

/* ---------- mobile top bar + drawer ---------- */
.mobile-bar{
  position:sticky;top:0;z-index:30;height:56px;background:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;padding:0 16px;
  box-shadow:0 4px 18px -8px rgba(12,59,53,.5);
}
@media (min-width:1024px){.mobile-bar{display:none}}
.mobile-bar .brand-mark{width:32px;height:32px;border-radius:9px;font-size:12px}
.mobile-bar .brand-name{font-size:15px}
.burger{
  width:40px;height:40px;display:grid;place-items:center;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);color:#FAF7F2;font-size:16px;
}
.burger:active{background:rgba(255,255,255,.1)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:320px;z-index:60;
  background:var(--brand-900);display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-close{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid rgba(255,255,255,.2);color:#FAF7F2}
.drawer .app-nav{padding-top:6px}
.overlay{
  position:fixed;inset:0;background:rgba(12,59,53,.55);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.overlay.open{opacity:1;visibility:visible}

/* ---------- breadcrumb / page head ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);line-height:1.6}
.crumb a{color:var(--ink-2);transition:color .15s ease}
.crumb a:hover{color:var(--brand-500);text-decoration:underline}
.crumb .sep{color:rgba(92,87,79,.45)}
.crumb .cur{color:var(--ink);font-weight:600;max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.page-head{background:#fff;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,114,104,.07),transparent 68%);pointer-events:none;
}
.page-head h1{
  font-size:clamp(26px,4vw,42px);line-height:1.25;letter-spacing:-.02em;color:var(--ink);
  margin:14px 0 16px;font-weight:700;max-width:900px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;font-size:13px;color:var(--ink-2)}
.meta-row i{margin-right:6px;color:rgba(21,114,104,.75)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(92,87,79,.4)}

/* ---------- cover ---------- */
.cover-frame{
  aspect-ratio:16/9;width:100%;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--paper-2);box-shadow:var(--shadow-1);
}
.cover-frame img{width:100%;height:100%;object-fit:cover}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;font-size:16px;line-height:1.9;color:var(--ink);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;margin:40px 0 16px;
  padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500);
}
.article-body h3{font-size:18px;font-weight:600;margin:28px 0 12px;color:var(--brand-700)}
.article-body h4{font-size:16.5px;font-weight:600;margin:22px 0 10px}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--brand-500);
  background:var(--paper-2);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-2);font-size:15.5px;
}
.article-body ul{list-style:disc;padding-left:1.5em;margin:0 0 1.2em}
.article-body ol{list-style:decimal;padding-left:1.5em;margin:0 0 1.2em}
.article-body li{margin:.35em 0}
.article-body img{border-radius:var(--r-img);margin:20px 0;height:auto}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body code{
  background:var(--paper-2);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;
}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:14.5px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--paper-2);font-weight:600}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}

/* ---------- sidebar widgets ---------- */
.sticky-col{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-1)}
.side-card-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-card-title::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--amber-500);display:block}
.toc-link{
  display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2);padding:9px 10px;border-radius:9px;
  transition:background .15s ease,color .15s ease;
}
.toc-link i{font-size:11px;color:var(--brand-500)}
.toc-link:hover{background:var(--paper-2);color:var(--ink)}
.mini-link{
  display:block;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2);line-height:1.6;
  transition:color .15s ease;
}
.mini-link:last-child{border-bottom:0;padding-bottom:2px}
.mini-link:hover{color:var(--brand-500)}
.mini-link strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:3px}
.mini-link:hover strong{color:var(--brand-700)}
.mini-link span{font-size:12.5px;color:var(--ink-2)}

/* ---------- cards ---------- */
.grid-cards{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1280px){.grid-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;height:100%;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.4)}
.card:focus-within{border-color:var(--brand-500)}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.04)}
.badge{
  position:absolute;left:12px;top:12px;height:26px;padding:0 11px;border-radius:999px;
  background:rgba(240,169,59,.92);color:#0F4C43;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2)}
.card-meta i{color:var(--brand-500);transition:transform .15s ease}
.card:hover .card-meta i{transform:translateX(3px)}

/* ---------- section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:26px}
.sec-head h2{font-size:clamp(21px,2.6vw,28px);letter-spacing:-.01em;color:var(--ink)}
.sec-head p{font-size:14px;color:var(--ink-2);margin-top:8px}
.more-link{font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.more-link:hover{color:var(--brand-700);text-decoration:underline}

/* ---------- prev / next ---------- */
.pn-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-top:36px}
@media (min-width:768px){.pn-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.pn-item{
  display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px 18px;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.pn-item:hover{border-color:rgba(21,114,104,.45);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.pn-item em{font-style:normal;font-size:12px;letter-spacing:.08em;color:var(--ink-2)}
.pn-item strong{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.pn-item:hover strong{color:var(--brand-700)}

/* ---------- empty state ---------- */
.empty-box{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.empty-box i{font-size:34px;color:rgba(21,114,104,.35)}
.empty-box p{margin:14px 0 20px;font-size:15px;color:var(--ink-2)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand-900);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,169,59,.18),transparent 68%);pointer-events:none;
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:#FAF7F2;position:relative}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.05em}
.footer-link{display:block;font-size:14px;color:rgba(250,247,242,.72);padding:5px 0;transition:color .15s ease}
.footer-link:hover{color:var(--amber-500);text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:20px;
  text-align:center;font-size:12px;color:rgba(250,247,242,.5);line-height:1.7;
}

@media (max-width:1023px){
  .page-head h1{font-size:26px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0C3B35; --brand-700:#0F4C43; --brand-500:#157268;
  --amber-500:#F0A93B; --coral-500:#E0563F;
  --paper:#FAF7F2; --paper-2:#F2EDE4;
  --ink:#1B1A18; --ink-2:#5C574F; --line:#E6DFD5; --safe:#2F9E8F;
  --radius-card:16px; --radius-img:12px; --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(27,26,24,.06), 0 8px 24px -12px rgba(12,59,53,.18);
  --shadow-2:0 2px 4px rgba(27,26,24,.06), 0 18px 36px -18px rgba(12,59,53,.28);
  --space-block:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:system-ui,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
::selection{background:rgba(240,169,59,.35)}

.container-x{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding-top:var(--space-block);padding-bottom:var(--space-block)}
.section-soft{background:var(--paper-2)}
.h1{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.h2{font-size:clamp(22px,2.4vw,29px);font-weight:700;line-height:1.35}
.h3{font-size:17px;font-weight:600;line-height:1.5}
.lead{font-size:16.5px;line-height:1.9;color:var(--ink-2)}
.muted{font-size:13px;line-height:1.6;color:var(--ink-2)}
.num{font-variant-numeric:tabular-nums}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2);transition:color .15s}
.breadcrumb a:hover{color:var(--brand-500);text-decoration:underline}
.breadcrumb .sep{color:rgba(92,87,79,.5)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* 侧栏 */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:264px;z-index:40;
  background:var(--brand-900);display:flex;flex-direction:column;
  padding:22px 16px;overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px}
.sidebar-logo{display:flex;align-items:center;gap:12px;padding:4px 6px 22px}
.logo-badge{width:40px;height:40px;border-radius:12px;background:var(--amber-500);color:var(--brand-900);
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.02em}
.logo-title{display:block;font-size:16px;font-weight:700;color:#fff;line-height:1.2}
.logo-sub{display:block;font-size:11px;color:rgba(255,255,255,.5);margin-top:3px;letter-spacing:.08em}
.nav-group{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.38);
  padding:0 12px;margin:14px 0 8px}
.nav-item{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;font-size:14.5px;color:rgba(250,247,242,.74);
  transition:background .15s,color .15s,transform .15s}
.nav-item i{width:20px;text-align:center;font-size:15px}
.nav-item:hover{background:var(--paper-2);color:var(--ink);transform:translateX(1px)}
.nav-item.active{background:rgba(21,114,104,.2);color:#fff;font-weight:600}
.nav-item.active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:999px;background:var(--amber-500)}
.sidebar-foot{margin-top:auto;padding-top:22px}
.sidebar-note{font-size:12px;line-height:1.6;color:rgba(255,255,255,.42);margin-bottom:12px;padding:0 6px}

/* 抽屉 */
.overlay{position:fixed;inset:0;background:rgba(12,59,53,.55);z-index:55;opacity:0;pointer-events:none;transition:opacity .25s}
.overlay.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:320px;z-index:60;
  background:var(--brand-900);transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:18px 16px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#FAF7F2;display:grid;place-items:center}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:none;cursor:pointer;
  transition:transform .15s,box-shadow .15s,background .15s,color .15s}
.btn-primary{background:var(--amber-500);color:#1B1A18}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(12,59,53,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border:1.5px solid var(--brand-500);color:var(--brand-700)}
.btn-outline:hover{background:rgba(21,114,104,.08);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;padding:0 4px}

/* 标签 / 徽章 */
.badge{display:inline-flex;align-items:center;height:25px;padding:0 11px;border-radius:999px;
  background:rgba(240,169,59,.16);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-solid{background:var(--amber-500);color:#1B1A18}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:7px;height:33px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:border-color .15s,color .15s,background .15s,transform .15s}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--paper-2);transform:translateY(-1px)}
.chip i{font-size:12px;color:var(--brand-500)}

/* 卡片 */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .15s,box-shadow .15s,border-color .15s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.4)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;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-text{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);border-top:1px solid var(--line)}
.card-meta i{color:var(--brand-500);transition:transform .15s}
.card:hover .card-meta i{transform:translateX(3px)}
.card-tag{position:absolute;left:14px;top:14px;z-index:2}

.feature .card-img{aspect-ratio:16/11}
.feature .card-body{padding:26px 26px 26px}

/* Hero 图 */
.hero-figure{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line)}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,59,53,0) 45%,rgba(12,59,53,.55))}
.hero-badge{position:absolute;left:16px;bottom:16px;z-index:2;display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;background:rgba(250,247,242,.94);color:var(--brand-700);
  font-size:13px;font-weight:600}

/* 清单 */
.check-item{display:flex;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);transition:border-color .15s,box-shadow .15s,transform .15s}
.check-item:hover{border-color:rgba(21,114,104,.4);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.check-icon{flex:none;width:40px;height:40px;border-radius:999px;background:rgba(21,114,104,.1);
  color:var(--brand-500);display:grid;place-items:center;font-size:16px}

/* 流程 */
.step{position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform .15s,box-shadow .15s}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--brand-900);color:#FAF7F2;font-size:14px;font-weight:700}
.step-line{position:absolute;left:0;top:0;width:100%;height:3px;border-radius:999px 999px 0 0;background:var(--amber-500)}

/* 保障条 */
.assure{display:flex;gap:14px;align-items:flex-start;padding:6px 0}
.assure-icon{flex:none;width:40px;height:40px;border-radius:999px;background:var(--paper-2);
  color:var(--brand-500);display:grid;place-items:center;font-size:16px}

/* 提示列表 */
.tip{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.tip:last-child{border-bottom:none}
.tip-idx{flex:none;width:26px;height:26px;border-radius:8px;background:rgba(240,169,59,.2);
  color:var(--brand-700);font-size:12.5px;font-weight:700;display:grid;place-items:center}
.tip-q{font-size:15.5px;font-weight:600}
.tip-a{font-size:14px;line-height:1.8;color:var(--ink-2);margin-top:4px}

/* CTA */
.cta-band{background:var(--brand-900);color:#FAF7F2;border-radius:20px;padding:40px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:14px 14px;opacity:.6}

/* 页脚 */
.site-footer{background:var(--brand-900);color:var(--paper);margin-top:var(--space-block)}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:rgba(250,247,242,.66);padding:6px 0;transition:color .15s}
.footer-link:hover{color:var(--amber-500);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  text-align:center;font-size:12px;color:rgba(250,247,242,.5)}

@media (max-width:1023px){
  :root{--space-block:48px}
  .h1{font-size:clamp(26px,6.4vw,30px)}
  .section{padding-top:48px;padding-bottom:48px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .feature .card-img{aspect-ratio:16/10}
}
@media (min-width:640px){
  .feature .card-img{aspect-ratio:auto;height:100%;min-height:240px}
  .feature{display:grid;grid-template-columns:1.05fr 1fr}
}

/* roulang page: category3 */
:root{
    --brand-900:#0C3B35;
    --brand-700:#0F4C43;
    --brand-500:#157268;
    --amber-500:#F0A93B;
    --coral-500:#E0563F;
    --paper:#FAF7F2;
    --paper-2:#F2EDE4;
    --ink:#1B1A18;
    --ink-2:#5C574F;
    --line:#E6DFD5;
    --ok:#2F9E8F;
    --radius-card:16px;
    --radius-img:12px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(27,26,24,.06), 0 8px 24px -12px rgba(12,59,53,.18);
    --shadow-2:0 2px 4px rgba(27,26,24,.08), 0 16px 36px -16px rgba(12,59,53,.28);
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    font-family:system-ui,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--ink);
    background-color:var(--paper);
    background-image:radial-gradient(rgba(12,59,53,.055) 1px, transparent 1px);
    background-size:18px 18px;
    overflow-x:hidden;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  button,input,select,textarea{ font:inherit; color:inherit; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  h1,h2,h3,h4{ margin:0; font-weight:700; color:var(--ink); }
  p{ margin:0; }
  .num{ font-variant-numeric:tabular-nums; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding-left:20px; padding-right:20px; }

  /* ---------- 侧栏 ---------- */
  .nav-group-title{
    font-size:11px; letter-spacing:.14em; text-transform:uppercase;
    color:rgba(255,255,255,.42); padding:0 12px; margin-bottom:10px;
  }
  .side-link{
    display:flex; align-items:center; gap:12px;
    height:44px; padding:0 12px; border-radius:10px;
    font-size:14.5px; color:rgba(255,255,255,.72);
    position:relative; transition:background .15s ease, color .15s ease;
  }
  .side-link i{ width:20px; font-size:15px; text-align:center; color:rgba(255,255,255,.55); transition:color .15s ease; }
  .side-link:hover{ background:rgba(255,255,255,.08); color:#fff; }
  .side-link:hover i{ color:#fff; }
  .side-link.active{
    background:rgba(255,255,255,.12); color:#fff; font-weight:600;
  }
  .side-link.active i{ color:var(--amber-500); }
  .side-link.active::before{
    content:''; position:absolute; left:0; top:8px; bottom:8px; width:3px;
    background:var(--amber-500); border-radius:3px;
  }
  .btn-side{
    display:flex; align-items:center; justify-content:center; gap:8px;
    height:46px; border-radius:var(--radius-btn);
    background:var(--amber-500); color:var(--ink);
    font-size:14.5px; font-weight:700;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  }
  .btn-side:hover{ transform:translateY(-1px); box-shadow:var(--shadow-2); }
  .btn-side:active{ transform:translateY(0); }

  /* ---------- 移动抽屉 ---------- */
  .drawer-panel{ transition:transform .25s ease; }
  .drawer.is-closed .drawer-panel{ transform:translateX(100%); }
  .drawer.is-closed{ pointer-events:none; }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:46px; padding:0 24px; border-radius:var(--radius-btn);
    font-size:15px; font-weight:600; cursor:pointer; border:0;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  }
  .btn-primary{ background:var(--amber-500); color:var(--ink); }
  .btn-primary:hover{ transform:translateY(-1px); box-shadow:var(--shadow-2); background:#e8a02f; }
  .btn-primary:active{ transform:translateY(0); }
  .btn-outline{
    background:transparent; color:var(--brand-700);
    border:1.5px solid var(--brand-700);
  }
  .btn-outline:hover{ background:rgba(21,114,104,.08); transform:translateY(-1px); }
  .btn-outline:active{ transform:translateY(0); }
  .btn:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible{
    outline:2px solid var(--brand-500); outline-offset:2px;
  }

  /* ---------- 面包屑 / 标题 ---------- */
  .crumb{ font-size:13px; color:var(--ink-2); display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
  .crumb a{ color:var(--ink-2); transition:color .15s ease; }
  .crumb a:hover{ color:var(--brand-700); text-decoration:underline; }
  .crumb .sep{ color:rgba(92,87,79,.45); }
  .crumb .cur{ color:var(--ink); font-weight:600; }

  .h1-page{ font-size:clamp(28px,4vw,42px); line-height:1.25; letter-spacing:-.01em; }
  .h2-sec{ font-size:clamp(23px,2.6vw,29px); line-height:1.35; letter-spacing:-.01em; }
  .h3-card{ font-size:17.5px; font-weight:600; line-height:1.5; }
  .lead{ font-size:16.5px; line-height:1.85; color:var(--ink-2); }
  .small{ font-size:13px; line-height:1.6; color:var(--ink-2); }

  .pill{
    display:inline-flex; align-items:center; gap:6px;
    height:32px; padding:0 14px; border-radius:999px;
    font-size:13.5px; color:var(--brand-700);
    background:rgba(21,114,104,.09); border:1px solid rgba(21,114,104,.18);
  }
  .badge{
    display:inline-flex; align-items:center; gap:6px;
    height:26px; padding:0 12px; border-radius:999px;
    font-size:12px; font-weight:600; color:var(--brand-700);
    background:rgba(240,169,59,.16); border:1px solid rgba(240,169,59,.34);
  }
  .hairline{ height:1px; background:var(--line); border:0; }

  /* ---------- 数据条 ---------- */
  .stat-cell{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
    padding:20px 22px; box-shadow:var(--shadow-1);
    transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  }
  .stat-cell:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:rgba(21,114,104,.4); }
  .stat-cell .k{ font-size:12.5px; color:var(--ink-2); letter-spacing:.04em; }
  .stat-cell .v{ font-size:18px; font-weight:700; color:var(--brand-900); margin-top:6px; }
  .stat-cell .d{ font-size:13px; color:var(--ink-2); margin-top:4px; }

  /* ---------- 图文交替 ---------- */
  .figure-card{
    border-radius:var(--radius-card); overflow:hidden;
    border:1px solid var(--line); background:#fff;
    box-shadow:var(--shadow-1); position:relative;
  }
  .figure-card img{ width:100%; aspect-ratio:4/3; object-fit:cover; transition:transform .3s ease; }
  .figure-card:hover img{ transform:scale(1.04); }
  .figure-card .fig-badge{
    position:absolute; left:14px; top:14px;
  }
  .fig-block{ position:relative; }
  .fig-block::after{
    content:''; position:absolute; right:-14px; bottom:-14px; width:80px; height:80px;
    background-image:radial-gradient(rgba(12,59,53,.18) 1px, transparent 1px);
    background-size:10px 10px; border-radius:8px; z-index:-1;
  }
  @media (max-width:1023px){ .fig-block::after{ display:none; } }

  .pt-list{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 14px; }
  .pt-list li{
    display:flex; align-items:center; gap:10px;
    font-size:14.5px; color:var(--ink);
    padding:10px 13px; background:#fff;
    border:1px solid var(--line); border-radius:10px;
  }
  .pt-list li i{ color:var(--brand-500); font-size:13.5px; }
  @media (max-width:640px){ .pt-list{ grid-template-columns:1fr; } }

  /* ---------- 参数行列表 ---------- */
  .spec-list{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-card); overflow:hidden; }
  .spec-row{
    display:grid; grid-template-columns:44px 180px 1fr; align-items:center; gap:14px;
    padding:17px 22px; border-bottom:1px solid var(--line);
    transition:background .15s ease;
  }
  .spec-row:last-child{ border-bottom:0; }
  .spec-row:hover{ background:var(--paper-2); }
  .spec-row i{
    width:40px; height:40px; border-radius:50%;
    display:grid; place-items:center;
    background:rgba(21,114,104,.09); color:var(--brand-700); font-size:15px;
  }
  .spec-row dt{ font-size:14.5px; font-weight:600; color:var(--ink); }
  .spec-row dd{ margin:0; font-size:14px; color:var(--ink-2); }
  @media (max-width:767px){
    .spec-row{ grid-template-columns:40px 1fr; grid-template-areas:"i t" "i d"; padding:15px 16px; gap:4px 12px; }
    .spec-row i{ grid-area:i; align-self:start; }
    .spec-row dt{ grid-area:t; }
    .spec-row dd{ grid-area:d; }
  }

  /* ---------- 步骤 ---------- */
  .step-list{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:20px; }
  .step-item{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
    padding:22px 20px; position:relative;
    transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  }
  .step-item:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:rgba(21,114,104,.4); }
  .step-num{
    display:inline-grid; place-items:center;
    width:34px; height:34px; border-radius:10px;
    background:rgba(240,169,59,.18); color:var(--brand-900);
    font-size:13px; font-weight:700; font-variant-numeric:tabular-nums;
    margin-bottom:14px;
  }
  .step-item h3{ font-size:17px; font-weight:600; margin-bottom:8px; }
  .step-item p{ font-size:14px; color:var(--ink-2); line-height:1.75; }
  @media (max-width:1023px){ .step-list{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
  @media (max-width:600px){ .step-list{ grid-template-columns:1fr; } }

  /* ---------- FAQ ---------- */
  .faq-item{
    position:relative; background:#fff; border:1px solid var(--line);
    border-radius:var(--radius-card); overflow:hidden;
    transition:border-color .15s ease, box-shadow .15s ease;
  }
  .faq-item::before{
    content:''; position:absolute; left:0; top:0; bottom:0; width:3px;
    background:var(--amber-500); opacity:0; transition:opacity .2s ease;
  }
  .faq-item[open]{ border-color:rgba(21,114,104,.4); box-shadow:var(--shadow-1); }
  .faq-item[open]::before{ opacity:1; }
  .faq-item summary{
    min-height:58px; display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:14px 22px; cursor:pointer; list-style:none;
    font-size:16px; font-weight:600; color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-ico{ color:var(--brand-500); font-size:14px; transition:transform .25s ease; flex:none; }
  .faq-item[open] .faq-ico{ transform:rotate(180deg); }
  .faq-body{ padding:0 22px 20px 22px; font-size:14.8px; line-height:1.85; color:var(--ink-2); }
  .faq-body p + p{ margin-top:10px; }

  /* ---------- CTA 大条 ---------- */
  .cta-bar{
    background:var(--brand-900); color:#fff;
    border-radius:var(--radius-card); position:relative; overflow:hidden;
  }
  .cta-bar::after{
    content:''; position:absolute; inset:0;
    background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
    background-size:14px 14px; opacity:.5; pointer-events:none;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--brand-900); color:rgba(250,247,242,.86); }
  .site-footer h4{
    font-size:14px; font-weight:700; color:#fff;
    margin-bottom:14px; letter-spacing:.02em;
  }
  .footer-link{
    display:block; font-size:14px; color:rgba(255,255,255,.68);
    padding:6px 0; transition:color .15s ease;
  }
  .footer-link:hover{ color:var(--amber-500); text-decoration:underline; }
  .footer-link.active{ color:var(--amber-500); font-weight:600; }
  .footer-bottom{
    margin-top:42px; padding-top:18px;
    border-top:1px solid rgba(255,255,255,.10);
    text-align:center; font-size:12px; color:rgba(255,255,255,.5);
  }

  ::-webkit-scrollbar{ width:10px; height:10px; }
  ::-webkit-scrollbar-track{ background:var(--paper-2); }
  ::-webkit-scrollbar-thumb{ background:rgba(12,59,53,.28); border-radius:999px; border:2px solid var(--paper-2); }
  ::-webkit-scrollbar-thumb:hover{ background:rgba(12,59,53,.45); }
  ::selection{ background:rgba(240,169,59,.35); }

  @media (max-width:1023px){
    .sec-pad{ padding-top:48px; padding-bottom:48px; }
  }
  @media (min-width:1024px){
    .sec-pad{ padding-top:80px; padding-bottom:80px; }
  }

/* roulang page: category4 */
:root{
    --brand-900:#0C3B35;
    --brand-700:#0F4C43;
    --brand-500:#157268;
    --amber-500:#F0A93B;
    --coral-500:#E0563F;
    --paper:#FAF7F2;
    --paper-2:#F2EDE4;
    --ink:#1B1A18;
    --ink-2:#5C574F;
    --line:#E6DFD5;
    --ok:#2F9E8F;
    --radius-card:16px;
    --radius-img:12px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(27,26,24,.06), 0 8px 24px -12px rgba(12,59,53,.18);
    --shadow-2:0 2px 6px rgba(27,26,24,.08), 0 18px 42px -18px rgba(12,59,53,.30);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:system-ui,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  ::selection{background:rgba(240,169,59,.35);}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .section{padding:48px 0;}
  @media (min-width:1024px){.section{padding:80px 0;}}

  /* ---------- 侧栏 / 导航 ---------- */
  .nav-group-title{
    font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:rgba(250,247,242,.42);padding:0 12px;margin-bottom:10px;
  }
  .nav-item{
    position:relative;display:flex;align-items:center;gap:12px;height:44px;
    padding:0 12px;border-radius:10px;font-size:14.5px;
    color:rgba(250,247,242,.72);transition:background .15s ease,color .15s ease;
  }
  .nav-item i{width:20px;text-align:center;font-size:15px;opacity:.85;}
  .nav-item:hover{background:rgba(250,247,242,.10);color:#FAF7F2;}
  .nav-item.is-active{background:rgba(240,169,59,.14);color:#FAF7F2;font-weight:600;}
  .nav-item.is-active::before{
    content:"";position:absolute;left:-14px;top:9px;bottom:9px;width:3px;
    border-radius:2px;background:var(--amber-500);
  }
  .sidebar{background:var(--brand-900);}

  .drawer{
    position:fixed;top:0;bottom:0;right:0;width:84vw;max-width:320px;z-index:50;
    background:var(--brand-900);transform:translateX(102%);
    transition:transform .28s ease;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(12,59,53,.55);z-index:45;
    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(--ink-2);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb a:hover{color:var(--brand-500);text-decoration:underline;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}
  .breadcrumb-light{color:rgba(250,247,242,.62);}
  .breadcrumb-light .sep{color:rgba(250,247,242,.3);}
  .breadcrumb-light a:hover{color:#fff;}
  .breadcrumb-light .current{color:#fff;}

  /* ---------- Hero ---------- */
  .hero{position:relative;background:var(--brand-900);overflow:hidden;}
  .hero-bg{
    position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;opacity:.32;
  }
  .hero-dots{
    position:absolute;inset:0;
    background-image:radial-gradient(rgba(250,247,242,.06) 1px,transparent 1px);
    background-size:16px 16px;
  }
  .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(12,59,53,.94) 0%,rgba(12,59,53,.78) 58%,rgba(12,59,53,.58) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:32px 0 48px;}
  @media (min-width:1024px){.hero-inner{padding:44px 0 76px;}}
  .hero h1{
    font-size:clamp(26px,4vw,42px);font-weight:700;line-height:1.25;color:#fff;
    margin:16px 0 0;letter-spacing:-.01em;
  }
  .hero-sub{font-size:17px;line-height:1.7;color:rgba(250,247,242,.86);margin-top:16px;max-width:560px;}
  .hero-lead{font-size:14.5px;line-height:1.9;color:rgba(250,247,242,.64);margin-top:14px;max-width:580px;}
  .hero-media{
    position:relative;border-radius:20px;overflow:hidden;
    border:1px solid rgba(255,255,255,.14);
    box-shadow:0 34px 70px -34px rgba(0,0,0,.65);
  }
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .hero-chip{
    position:absolute;left:14px;top:14px;height:30px;padding:0 12px;border-radius:999px;
    background:rgba(240,169,59,.94);color:#1B1A18;font-size:12.5px;font-weight:600;
    display:inline-flex;align-items:center;gap:6px;
  }
  .hero-chip-2{
    position:absolute;right:14px;bottom:14px;height:30px;padding:0 12px;border-radius:999px;
    background:rgba(12,59,53,.78);color:#FAF7F2;font-size:12.5px;font-weight:500;
    border:1px solid rgba(255,255,255,.18);display:inline-flex;align-items:center;gap:6px;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
    transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease,color .15s ease;
  }
  .btn:active{transform:translateY(0);}
  .btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
  .btn-primary{background:var(--amber-500);color:#1B1A18;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:#E8A02F;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
  .btn-outline:hover{background:rgba(21,114,104,.08);transform:translateY(-1px);}
  .btn-light{border-color:rgba(250,247,242,.55);color:#FAF7F2;background:transparent;}
  .btn-light:hover{background:rgba(250,247,242,.12);transform:translateY(-1px);}
  .btn-block{width:100%;}

  /* ---------- 标签 / 徽章 ---------- */
  .pill{
    display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
    border-radius:999px;font-size:13px;background:#fff;border:1px solid var(--line);color:var(--ink-2);
  }
  .pill-light{
    display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
    border-radius:999px;font-size:13px;color:rgba(250,247,242,.86);
    background:rgba(250,247,242,.08);border:1px solid rgba(250,247,242,.16);
  }
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
    border-radius:999px;font-size:12.5px;font-weight:600;
    background:rgba(240,169,59,.16);color:var(--brand-700);
  }
  .badge-dark{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
    border-radius:999px;font-size:12.5px;font-weight:600;
    background:rgba(240,169,59,.9);color:#1B1A18;
  }

  /* ---------- 标题层级 ---------- */
  .h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;}
  .h3{font-size:17px;font-weight:600;line-height:1.5;}
  .sub-line{font-size:14.5px;color:var(--ink-2);margin-top:10px;}
  .eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand-500);text-transform:uppercase;}

  /* ---------- 卡片 ---------- */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.35);}
  .card-body{padding:22px 22px 20px;}

  .fact{
    display:flex;gap:14px;align-items:flex-start;padding:20px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .fact:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.35);}
  .fact-ico{
    width:40px;height:40px;flex:none;border-radius:999px;display:grid;place-items:center;
    background:rgba(21,114,104,.10);color:var(--brand-700);font-size:16px;
  }
  .fact h3{font-size:15.5px;font-weight:600;line-height:1.5;}
  .fact p{font-size:13px;line-height:1.75;color:var(--ink-2);margin-top:4px;}

  /* ---------- 图文交替 ---------- */
  .alt-media{
    position:relative;border-radius:var(--radius-card);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-1);background:#fff;
  }
  .alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .alt-media .tagline{
    position:absolute;left:12px;bottom:12px;height:28px;padding:0 12px;border-radius:999px;
    background:rgba(250,247,242,.94);color:var(--brand-700);font-size:12.5px;font-weight:600;
    display:inline-flex;align-items:center;gap:6px;
  }
  .alt-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:10px;background:rgba(21,114,104,.10);
    color:var(--brand-700);font-weight:700;font-size:14px;margin-right:12px;
    font-variant-numeric:tabular-nums;
  }
  .spec{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);}
  .spec:last-child{border-bottom:0;padding-bottom:0;}
  .spec i{color:var(--brand-500);font-size:13px;margin-top:6px;}
  .spec-title{display:block;font-size:14.5px;font-weight:600;}
  .spec-text{display:block;font-size:13px;color:var(--ink-2);line-height:1.7;}

  /* ---------- 流程 ---------- */
  .flow-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .step{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px;box-shadow:var(--shadow-1);height:100%;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.35);}
  .step-no{
    display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
    border-radius:9px;background:var(--brand-900);color:#FAF7F2;font-size:13px;font-weight:700;
    font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .step h3{font-size:16.5px;}
  .step p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin-top:8px;}

  /* ---------- 表单 ---------- */
  .form-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);padding:24px;
  }
  @media (min-width:1024px){.form-card{padding:32px;}}
  .field{margin-bottom:18px;}
  .field-label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;}
  .field-input{
    width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
    border-radius:var(--radius-btn);background:#fff;
    transition:border-color .15s ease,box-shadow .15s ease;
  }
  .field-input::placeholder{color:#A9A29A;}
  .field-input:focus{
    outline:none;border-color:var(--brand-500);
    box-shadow:0 0 0 3px rgba(21,114,104,.12);
  }
  textarea.field-input{height:auto;min-height:132px;padding:12px 14px;line-height:1.75;resize:vertical;}
  .field-hint{font-size:12.5px;color:var(--ink-2);margin-top:6px;}
  .field-error{font-size:13px;color:var(--coral-500);margin-top:6px;display:none;}
  .field.has-error .field-input{border-color:var(--coral-500);}
  .field.has-error .field-error{display:block;}
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.7;}
  .check-row input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand-500);flex:none;}

  /* ---------- 分页位 ---------- */
  .pager{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:768px){.pager{grid-template-columns:1fr 1fr;}}
  .pager-card{
    display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px 22px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(21,114,104,.4);}
  .pager-label{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);}
  .pager-title{display:block;font-size:17px;font-weight:600;margin-top:8px;}
  .pager-desc{display:block;font-size:13.5px;color:var(--ink-2);margin-top:6px;line-height:1.7;}
  .pager-next{text-align:right;}
  .pager-next .pager-label{justify-content:flex-end;}

  /* ---------- CTA 条 ---------- */
  .cta-band{background:var(--brand-900);color:#FAF7F2;position:relative;overflow:hidden;}
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(250,247,242,.06) 1px,transparent 1px);
    background-size:16px 16px;
  }
  .cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:20px;}
  @media (min-width:1024px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
  }
  .cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;}
  .cta-inner p{font-size:14px;color:rgba(250,247,242,.68);margin-top:8px;max-width:620px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-900);color:#FAF7F2;}
  .site-footer h4{
    font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
    color:rgba(250,247,242,.88);margin:0 0 16px;
  }
  .footer-link{display:block;font-size:14px;color:rgba(250,247,242,.62);padding:6px 0;transition:color .15s ease;}
  .footer-link:hover{color:var(--amber-500);text-decoration:underline;}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
    text-align:center;font-size:12px;color:rgba(250,247,242,.5);line-height:1.9;
  }
  .tabular{font-variant-numeric:tabular-nums;}