/* roulang page: index */
:root{
  --ink:#10473D;
  --ink-deep:#0B3129;
  --mint:#2FC6A8;
  --orange:#FF7A2F;
  --orange-dark:#E9661C;
  --amber:#FFC94A;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#1B211F;
  --muted:#5C6663;
  --radius-xl:20px;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 8px rgba(11,49,41,.06);
  --shadow-2:0 12px 26px rgba(11,49,41,.12);
  --sidebar-w:240px;
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#1B211F;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E5E0D6;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--orange-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,198,168,.28)}

/* ============ 布局骨架 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  background:var(--ink-deep);
  z-index:1040;
  display:flex;
  overflow-y:auto;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-nav__inner{
  display:flex;
  flex-direction:column;
  width:100%;
  padding:20px 16px 22px;
  gap:18px;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:11px;
  padding:8px 6px 16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand__mark{
  flex:0 0 auto;
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--mint),#1FA98D);
  color:#06231E;
  font-size:20px;
  font-weight:700;
  letter-spacing:0;
}
.brand__text{
  display:flex;
  flex-direction:column;
  color:#fff;
  font-size:16px;
  font-weight:700;
  line-height:1.25;
}
.brand__text small{
  margin-top:3px;
  font-size:11.5px;
  font-weight:400;
  color:rgba(255,255,255,.58);
  letter-spacing:.02em;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-label{
  padding:0 10px 6px;
  font-size:11.5px;
  letter-spacing:.12em;
  color:rgba(255,255,255,.45);
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:11px;
  height:46px;
  padding:0 14px;
  border-radius:10px;
  color:rgba(255,255,255,.82);
  font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.55);transition:color .18s ease}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item:hover i{color:var(--mint)}
.nav-item.is-active{
  background:rgba(47,198,168,.16);
  color:#fff;
  font-weight:600;
}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--mint);
}
.nav-item.is-active i{color:var(--mint)}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  height:48px;
  margin-top:4px;
  border:none;
  border-radius:var(--radius-btn);
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  box-shadow:0 6px 16px rgba(255,122,47,.28);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.side-cta:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.32)}
.side-cta:active{transform:translateY(0) scale(.99)}
.side-meta{
  margin-top:auto;
  padding:14px 12px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  font-size:12.5px;
  line-height:1.75;
  color:rgba(255,255,255,.6);
}
.side-meta strong{display:block;color:rgba(255,255,255,.82);font-weight:600;margin-bottom:4px}
.side-meta a{color:var(--mint);border-bottom:1px solid rgba(47,198,168,.4)}
.side-meta a:hover{color:#fff;border-color:#fff}

.top-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--ink-deep);
  z-index:1050;
  box-shadow:0 2px 10px rgba(11,49,41,.2);
}
.top-brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-size:17px;font-weight:700;
}
.top-brand .brand__mark{width:32px;height:32px;font-size:16px;border-radius:10px}
.menu-toggle{
  width:44px;height:44px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .22s ease,opacity .22s ease}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{
  display:none;
  position:fixed;inset:0;
  background:rgba(11,49,41,.5);
  z-index:1035;
}
.nav-backdrop.is-open{display:block}

.main-content{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  overflow-x:hidden;
}
.container-x{
  width:100%;
  max-width:1120px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--muted{background:#FBF9F4}
.section-head{max-width:720px;margin-bottom:44px}
.section-tag{
  display:inline-flex;align-items:center;gap:7px;
  margin-bottom:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(47,198,168,.14);
  color:var(--ink);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.section-tag::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);
}
.section-title{font-size:clamp(23px,2.4vw,30px);font-weight:700;margin-bottom:12px}
.section-desc{color:var(--muted);font-size:16px;margin:0}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-main{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(255,122,47,.26)}
.btn-main:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px rgba(255,122,47,.32)}
.btn-main:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(16,71,61,.35)}
.btn-ghost:hover{background:rgba(16,71,61,.06);color:var(--ink);border-color:var(--ink);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-weight:600;font-size:14.5px;
  border-bottom:1px solid rgba(16,71,61,.28);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.text-link:hover{color:var(--orange-dark);border-color:var(--orange)}
.text-link i{font-size:12px;transition:transform .18s ease}
.text-link:hover i{transform:translateX(3px)}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:76px 0 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(47,198,168,.16), transparent 42%),
    linear-gradient(180deg,#FBF9F4 0%,var(--bg) 100%);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(16,71,61,.10) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  pointer-events:none;
}
.hero::after{
  content:"九";
  position:absolute;
  right:-30px;top:-40px;
  font-size:340px;
  line-height:1;
  font-weight:700;
  color:rgba(16,71,61,.06);
  pointer-events:none;
  user-select:none;
}
.hero .container-x{position:relative;z-index:2}
.hero__grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:18px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(16,71,61,.18);
  background:#fff;
  color:var(--ink);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.eyebrow i{color:var(--orange)}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  color:var(--ink);
  background:linear-gradient(180deg,transparent 62%,rgba(47,198,168,.42) 62%);
}
.hero__sub{
  max-width:520px;
  color:var(--muted);
  font-size:17px;
  line-height:1.85;
  margin-bottom:28px;
}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero__points li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);
}
.hero__points i{color:var(--mint);font-size:13px}
.hero__media{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.hero__media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  background:rgba(16,71,61,.08);
}
.hero__tag{
  position:absolute;
  left:18px;bottom:18px;
  padding:8px 15px;
  border-radius:999px;
  background:rgba(11,49,41,.86);
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  backdrop-filter:blur(4px);
}
.trust-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:56px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.trust-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:18px 20px;
  background:#fff;
  font-size:14px;
  color:var(--text);
}
.trust-item i{color:var(--mint);font-size:15px}
.trust-item span{color:var(--muted);font-size:13.5px}

/* ============ 痛点卡 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pain-card{
  position:relative;
  padding:24px 22px 22px 56px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  transition:border-color .18s ease,transform .18s ease;
}
.pain-card::before{
  content:"?";
  position:absolute;
  left:20px;top:22px;
  width:24px;height:24px;
  display:grid;place-items:center;
  border-radius:8px;
  background:rgba(47,198,168,.16);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
}
.pain-card:hover{border-color:rgba(16,71,61,.28);transform:translateY(-3px)}
.pain-card h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.pain-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}

/* ============ 方案区 ============ */
.plan-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:24px;
  align-items:stretch;
}
.plan-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.plan-card:hover{box-shadow:var(--shadow-2);border-color:rgba(16,71,61,.24);transform:translateY(-3px)}
.plan-card--lg{grid-row:span 2}
.plan-card--lg img{width:100%;aspect-ratio:16/9;object-fit:cover;background:rgba(16,71,61,.08)}
.plan-body{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1}
.plan-body h3{font-size:20px;font-weight:700;margin-bottom:12px}
.plan-body p{font-size:15px;color:var(--muted);line-height:1.8}
.plan-list{margin:16px 0 20px;display:flex;flex-direction:column;gap:10px}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.plan-list i{color:var(--mint);margin-top:5px;font-size:12px}
.plan-body .text-link{margin-top:auto;align-self:flex-start}
.plan-card--sm .plan-body{padding:24px}
.plan-card--sm h3{font-size:17.5px;margin-bottom:8px}
.plan-card--sm p{font-size:14px}
.plan-card--sm .plan-body .text-link{margin-top:16px}

/* ============ 数据区 ============ */
.stats-band{
  position:relative;
  padding:76px 0;
  background:linear-gradient(135deg,var(--ink-deep) 0%,#134F44 100%);
  color:#fff;
  overflow:hidden;
}
.stats-band::after{
  content:"九";
  position:absolute;
  right:-40px;bottom:-90px;
  font-size:300px;
  font-weight:700;
  line-height:1;
  color:rgba(255,255,255,.04);
  pointer-events:none;
}
.stats-band .section-title{color:#fff}
.stats-band .section-desc{color:rgba(255,255,255,.66)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:2}
.stat-card{
  padding:26px 24px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  transition:background .2s ease,transform .2s ease;
}
.stat-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.stat-num{
  display:flex;
  align-items:baseline;
  gap:4px;
  font-size:38px;
  font-weight:700;
  line-height:1.1;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num small{font-size:17px;font-weight:600;color:rgba(255,255,255,.7)}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72)}
.stat-note{margin-top:22px;font-size:13px;color:rgba(255,255,255,.5);position:relative;z-index:2}

/* ============ CMS 资讯列表 ============ */
.list-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.list-head .section-head{margin-bottom:0}
.post-card{
  display:flex;
  flex-direction:column;
  height:100%;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(16,71,61,.25)}
.post-thumb{overflow:hidden;background:rgba(16,71,61,.08)}
.post-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .35s ease;
}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge-cat{
  align-self:flex-start;
  margin-bottom:12px;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(47,198,168,.15);
  color:var(--ink);
  font-size:12.5px;
  font-weight:600;
}
.post-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body h3 a{color:var(--ink)}
.post-card:hover .post-body h3 a{color:var(--orange-dark)}
.post-excerpt{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  margin:0 0 18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.post-foot a{font-weight:600;font-size:13.5px;color:var(--ink)}
.post-foot a:hover{color:var(--orange-dark)}
.empty-state{
  padding:52px 24px;
  border:1px dashed rgba(16,71,61,.24);
  border-radius:var(--radius);
  background:#fff;
  text-align:center;
}
.empty-state .empty-mark{
  width:56px;height:56px;
  margin:0 auto 18px;
  display:grid;place-items:center;
  border-radius:16px;
  background:rgba(16,71,61,.08);
  color:rgba(16,71,61,.35);
  font-size:24px;
  font-weight:700;
}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ============ 分类入口速览 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:24px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.cat-card:hover{border-color:rgba(16,71,61,.3);transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cat-card__no{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.cat-card h3{font-size:17.5px;font-weight:700;margin:12px 0 10px}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px}
.cat-card .cat-arrow{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
}
.cat-card:hover .cat-arrow{color:var(--orange-dark)}
.cat-card .cat-arrow i{transition:transform .2s ease}
.cat-card:hover .cat-arrow i{transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start}
.accordion-item{
  border:none;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.accordion-item:first-child{border-top:1px solid var(--line)}
.accordion-button{
  width:100%;
  padding:22px 44px 22px 0;
  background:transparent;
  border:none;
  box-shadow:none;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  text-align:left;
  position:relative;
  transition:color .18s ease;
}
.accordion-button:not(.collapsed){color:var(--ink);box-shadow:none;background:transparent}
.accordion-button:hover{color:var(--orange-dark)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--mint);outline-offset:-2px}
.accordion-button::after{
  content:"";
  position:absolute;
  right:6px;top:50%;
  width:14px;height:14px;
  margin:0;
  transform:translateY(-50%);
  background-image:none;
  border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);
  border-radius:1px;
  transition:transform .22s ease,border-color .22s ease;
  transform:translateY(-70%) rotate(45deg);
}
.accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(-135deg);
  border-color:var(--mint);
}
.accordion-body{
  padding:0 44px 24px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.accordion-body a{
  color:var(--ink);
  font-weight:600;
  border-bottom:1px solid rgba(16,71,61,.3);
}
.accordion-body a:hover{color:var(--orange-dark);border-color:var(--orange)}

/* ============ 表单区 ============ */
.lead-section{
  padding:88px 0;
  background:linear-gradient(180deg,var(--bg) 0%,#FBF9F4 100%);
}
.lead-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.lead-intro h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:16px}
.lead-intro p{color:var(--muted);font-size:16px;line-height:1.85}
.lead-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.lead-points li{display:flex;gap:12px;font-size:15px;color:var(--text)}
.lead-points i{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:5px;
  display:grid;place-items:center;
  border-radius:7px;
  background:rgba(47,198,168,.16);
  color:var(--ink);
  font-size:11px;
}
.form-card{
  padding:30px;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  background:#fff;
  box-shadow:var(--shadow-1);
}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.form-card .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.form-label .req{color:var(--orange);margin-left:3px}
.form-control,.form-select{
  height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:15px;
  color:var(--text);
  box-shadow:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{height:auto;min-height:104px;resize:vertical;line-height:1.7}
.form-control::placeholder{color:#9BA3A0}
.form-control:focus,.form-select:focus{
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(47,198,168,.25);
  outline:none;
}
.form-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%2310473D' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size:16px;
  background-position:right 14px center;
}
.form-check{display:flex;gap:10px;align-items:flex-start;padding-left:0;margin:0}
.form-check-input{
  flex:0 0 auto;
  width:18px;height:18px;
  margin:5px 0 0;
  border:1px solid var(--line);
  border-radius:5px;
  background:#fff;
  box-shadow:none;
  cursor:pointer;
}
.form-check-input:checked{background-color:var(--ink);border-color:var(--ink)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(47,198,168,.25);border-color:var(--ink)}
.form-check-label{font-size:13.5px;color:var(--muted);line-height:1.7}
.privacy-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:12.8px;
  color:var(--muted);
  line-height:1.75;
}
.privacy-note a{color:var(--ink);font-weight:600;border-bottom:1px solid rgba(16,71,61,.3)}
.privacy-note a:hover{color:var(--orange-dark);border-color:var(--orange)}
.form-alert{
  display:none;
  margin-top:16px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  background:rgba(47,198,168,.13);
  border-left:4px solid var(--mint);
  font-size:14px;
  color:var(--ink);
}
.form-alert.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{
  padding:64px 0 26px;
  background:var(--ink-deep);
  color:rgba(255,255,255,.7);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;align-items:center;gap:11px;
  color:#fff;font-size:17px;font-weight:700;
  margin-bottom:14px;
}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--mint);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14.5px;
  color:rgba(255,255,255,.78);
  transition:color .18s ease;
}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-col .meta-line{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:8px}
.footer-col .meta-line i{color:var(--mint);margin-right:7px;font-size:12px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ============ 弹层 ============ */
.modal-content{
  border:none;
  border-radius:var(--radius-xl);
  box-shadow:0 24px 60px rgba(11,49,41,.28);
  overflow:hidden;
}
.modal-header{
  padding:24px 26px 6px;
  border-bottom:none;
  align-items:flex-start;
}
.modal-title{font-size:18px;font-weight:700;color:var(--ink)}
.modal-header .close-x{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.modal-header .close-x:hover{background:rgba(16,71,61,.06);color:var(--ink);border-color:rgba(16,71,61,.3)}
.modal-body{padding:14px 26px 26px}
.modal-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero__grid{gap:38px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card--lg{grid-row:auto}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .lead-grid{grid-template-columns:1fr;gap:32px}
  .trust-bar{grid-template-columns:repeat(2,1fr)}
  .hero{padding-top:60px}
  .hero__grid{grid-template-columns:1fr;gap:34px}
  .hero::after{font-size:240px;right:-50px}
}
@media (max-width:767.98px){
  .top-bar{display:flex}
  .side-nav{
    width:84%;
    max-width:320px;
    height:100vh;
    transform:translateX(-100%);
    transition:transform .28s ease;
    box-shadow:0 24px 60px rgba(11,49,41,.35);
  }
  .side-nav.is-open{transform:translateX(0)}
  .main-content{margin-left:0;padding-top:60px}
  .container-x{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .lead-section{padding:56px 0}
  .stats-band{padding:56px 0}
  .hero{padding-top:44px}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px}
  .hero__btns .btn-main,.hero__btns .btn-ghost{flex:1 1 100%}
  .pain-grid,.cat-grid{grid-template-columns:1fr}
  .post-body{padding:18px 18px 20px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .accordion-button{padding:18px 38px 18px 0;font-size:15.5px}
  .accordion-body{padding:0 0 20px}
  .modal-dialog{margin:0;max-width:100%;min-height:100%}
  .modal-content{border-radius:20px 20px 0 0;min-height:100vh}
}
@media (max-width:479.98px){
  .hero__media img{aspect-ratio:16/10}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-card{padding:18px 16px}
  .stat-num{font-size:30px}
  .stat-label{font-size:13px}
  .trust-bar{grid-template-columns:1fr}
  .btn-main,.btn-ghost{width:100%}
}

/* roulang page: article */
:root{
  --ink:#1B211F;
  --ink-soft:#5C6663;
  --jade:#10473D;
  --jade-deep:#0B3129;
  --mint:#2FC6A8;
  --orange:#FF7A2F;
  --orange-deep:#E8651C;
  --amber:#FFC94A;
  --bg:#F6F3EC;
  --bg-soft:#F1EDE3;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(11,49,41,.06);
  --sh-2:0 12px 26px rgba(11,49,41,.12);
  --side-w:240px;
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--jade);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--jade-deep);font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- 布局骨架 ---------- */
.shell{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:linear-gradient(180deg,var(--jade) 0%,var(--jade-deep) 100%);
  display:flex;flex-direction:column;
  padding:0 14px 18px;
  z-index:1040;
  overflow-y:auto;
}
.content-area{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* ---------- 品牌 ---------- */
.brand{
  display:flex;align-items:center;gap:10px;
  height:84px;padding:0 10px;flex:none;
}
.brand__mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:var(--mint);color:var(--jade-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:19px;line-height:1;
  box-shadow:0 4px 12px rgba(47,198,168,.35);
}
.brand__text{color:#fff;font-weight:700;font-size:17px;letter-spacing:.01em}
.brand:hover .brand__text{color:#fff}

/* ---------- 侧栏导航 ---------- */
.nav-label{
  display:block;padding:6px 14px;margin-bottom:6px;
  font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.42);
}
.nav-list{display:flex;flex-direction:column;gap:4px;flex:none}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:46px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.78);font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.55);transition:color .18s ease}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item:hover i{color:var(--mint)}
.nav-item.is-active{
  background:rgba(47,198,168,.16);color:#fff;font-weight:600;
}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:0 3px 3px 0;background:var(--mint);
}
.nav-item.is-active i{color:var(--mint)}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:18px 12px}

/* ---------- 侧栏底部 ---------- */
.sidebar-foot{margin-top:auto;padding:0 8px;flex:none}
.side-note{
  margin-top:12px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55);
}
.side-note i{color:var(--mint);margin-right:4px}
.side-link{
  display:inline-block;margin-top:8px;font-size:12.5px;
  color:rgba(255,255,255,.62);text-decoration:underline;
}
.side-link:hover{color:#fff}

/* ---------- 按钮 ---------- */
.btn-cta,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-cta{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28)}
.btn-cta:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.32)}
.btn-cta:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border-color:var(--jade);color:var(--jade)}
.btn-ghost:hover{background:rgba(16,71,61,.06);color:var(--jade);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--line);color:var(--ink-soft)}
.btn-line:hover{border-color:var(--jade);color:var(--jade)}
.btn-block{width:100%}
.btn-sm-x{height:42px;padding:0 18px;font-size:14.5px}

/* ---------- 徽章 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(47,198,168,.14);color:var(--jade);
}
.badge-amber{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,201,74,.18);border:1px solid rgba(255,201,74,.6);color:#8a6400;
}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{display:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,49,41,.42);
  opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:1030;
}
.drawer-mask.show{opacity:1;visibility:visible}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);color:#fff;display:none;
  align-items:center;justify-content:center;cursor:pointer;
}
.burger:hover{background:rgba(255,255,255,.16)}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--ink-soft);padding:28px 0 0;
}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--orange)}
.crumbs .sep{color:#bfb9ab}
.crumbs .current{
  color:var(--jade);font-weight:600;max-width:420px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 0;max-width:860px}
.article-head .h1{
  font-size:clamp(24px,3vw,36px);line-height:1.32;margin-top:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-line-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:13.5px;color:var(--ink-soft);
}
.meta-line-row .dot{color:#c6c0b2}
.lead{
  margin-top:24px;padding:18px 20px;
  background:var(--bg-soft);border-left:3px solid var(--mint);
  border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:15.5px;line-height:1.85;color:#38403d;
}

/* ---------- 主体网格 ---------- */
.article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:44px;
  padding:36px 0 8px;align-items:start;
}
.article-main{min-width:0}
.article-body{
  max-width:780px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 34px 30px;box-shadow:var(--sh-1);
}
.prose{font-size:17px;line-height:1.9;color:var(--ink);word-wrap:break-word}
.prose > * + *{margin-top:1.2em}
.prose h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.35;
  margin-top:2em;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--jade);
}
.prose h3{font-size:19px;font-weight:600;line-height:1.5;margin-top:1.7em}
.prose h4{font-size:17px;font-weight:600;margin-top:1.4em;color:var(--jade)}
.prose ul,.prose ol{padding-left:1.4em;margin:1.2em 0}
.prose li+li{margin-top:.5em}
.prose blockquote{
  background:var(--bg-soft);border-left:3px solid var(--mint);
  padding:16px 20px;border-radius:0 var(--r-md) var(--r-md) 0;
  color:#38403d;font-style:normal;
}
.prose img{border-radius:var(--r-md);margin:1.6em auto}
.prose a{color:var(--jade);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--orange)}
.prose table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.6em 0}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose th{background:var(--bg-soft);font-weight:600;color:var(--jade-deep)}
.prose code{background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:15px}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--card);
  border:1px dashed var(--line);border-radius:var(--r-lg);max-width:780px;
}
.empty-mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:rgba(16,71,61,.08);color:var(--jade);
  display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;
}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--ink-soft);font-size:15px;margin-bottom:18px}

/* ---------- 侧栏贴卡 ---------- */
.sticky-card{
  position:sticky;top:28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.sticky-card h3{font-size:16px;margin-bottom:12px}
.toc-list{list-style:none;margin:0 0 6px;padding:0;border-top:1px solid var(--line)}
.toc-list li{border-bottom:1px solid var(--line)}
.toc-list a{
  display:block;padding:10px 2px;font-size:14px;color:var(--ink-soft);
}
.toc-list a:hover{color:var(--jade);padding-left:4px}
.sticky-note{
  margin-top:16px;font-size:12.5px;color:var(--ink-soft);line-height:1.7;
}
.mini-form{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.mini-form .form-control,.mini-form .form-select{font-size:14px}

/* ---------- 表单 ---------- */
.form-label{font-size:14px;font-weight:600;color:var(--jade-deep);margin-bottom:6px}
.form-label .req{color:var(--orange);margin-left:2px}
.form-control,.form-select{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:12px 14px;font-size:15px;background:#fff;color:var(--ink);
  box-shadow:none;transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{height:auto;min-height:110px;resize:vertical}
.form-control::placeholder{color:#a9a397}
.form-control:focus,.form-select:focus{
  border-color:var(--jade);box-shadow:0 0 0 3px rgba(47,198,168,.25);
}
.form-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2310473D'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-size:14px;background-position:right 14px center;
}
.form-check-input{width:18px;height:18px;border-color:#c9c3b6;margin-top:.2em}
.form-check-input:checked{background-color:var(--jade);border-color:var(--jade)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(47,198,168,.25);border-color:var(--jade)}
.form-check-label{font-size:13.5px;color:var(--ink-soft);line-height:1.7}
.err-tip{display:none;font-size:13px;color:var(--orange);margin-top:6px}
.field.has-error .form-control,.field.has-error .form-select{border-color:var(--orange)}
.field.has-error .err-tip{display:block}
.privacy-line{font-size:12.5px;color:var(--ink-soft);margin-top:14px;line-height:1.7}
.privacy-line a{text-decoration:underline}

/* ---------- 文末 CTA ---------- */
.cta-card{
  max-width:780px;margin-top:34px;
  background:linear-gradient(135deg,var(--jade) 0%,var(--jade-deep) 100%);
  border-radius:var(--r-lg);padding:30px 32px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:var(--sh-2);
}
.cta-card h2{font-size:21px;color:#fff;margin-bottom:8px}
.cta-card p{font-size:14.5px;color:rgba(255,255,255,.78);max-width:430px}
.cta-card .privacy-line{color:rgba(255,255,255,.6);margin-top:12px}
.cta-card .privacy-line a{color:#fff}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px}
.section-head h2{font-size:26px}
.section-head .sub{font-size:14px;color:var(--ink-soft);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,71,61,.25)}
.post-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(16,71,61,.08)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .thumb .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:34px;font-weight:700;color:rgba(16,71,61,.2);
}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .excerpt{
  font-size:14px;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-soft)}
.post-card .foot .more{color:var(--jade);font-weight:600}
.post-card:hover .foot .more{color:var(--orange)}

.back-row{padding:36px 0 0}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;
}
.back-link:hover{gap:12px;color:var(--orange)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:80px;background:var(--jade-deep);color:rgba(255,255,255,.75);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;
  padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-brand .brand__mark{background:var(--mint);color:var(--jade-deep)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:14px;color:var(--mint);margin-bottom:14px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.footer-links a{font-size:15px;color:rgba(255,255,255,.78)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.meta-line{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:8px}
.meta-line i{color:var(--mint);margin-right:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 弹层 ---------- */
.modal-content{border:0;border-radius:20px;box-shadow:0 24px 60px rgba(11,49,41,.24);overflow:hidden}
.modal-header{border-bottom:0;padding:22px 24px 6px;align-items:flex-start}
.modal-title{font-size:19px;font-weight:700;color:var(--jade-deep)}
.modal-header .sub{font-size:13.5px;color:var(--ink-soft);margin-top:6px}
.modal-body{padding:14px 24px 22px}
.modal-footer{border-top:1px solid var(--line);padding:16px 24px 20px;display:block}
.btn-close{
  width:34px;height:34px;border-radius:999px;background-color:rgba(16,71,61,.06);
  background-size:11px;opacity:.7;margin:0;transition:background-color .18s ease;
}
.btn-close:hover{background-color:rgba(16,71,61,.14);opacity:1}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-grid{grid-template-columns:minmax(0,1fr) 260px;gap:30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:26px}
}
@media (max-width:991.98px){
  :root{--side-w:0px}
  .sidebar{
    width:100%;height:60px;bottom:auto;padding:0 16px;
    flex-direction:row;align-items:center;justify-content:space-between;
    overflow:visible;border-radius:0;
  }
  .brand{height:60px;padding:0}
  .brand__mark{width:32px;height:32px;font-size:17px;border-radius:10px}
  .brand__text{font-size:17px}
  .burger{display:flex}
  .nav-label,.side-divider{display:none}
  .nav-list,.sidebar-foot{
    position:fixed;right:0;width:min(84vw,340px);
    background:linear-gradient(180deg,var(--jade) 0%,var(--jade-deep) 100%);
    transform:translateX(105%);transition:transform .28s ease;
    z-index:1041;
  }
  .nav-list{
    top:60px;height:calc(100vh - 60px - 138px);
    padding:14px 14px 0;overflow-y:auto;
    flex-direction:column;
  }
  .sidebar-foot{
    top:auto;bottom:0;height:138px;padding:14px 22px;
    border-top:1px solid rgba(255,255,255,.12);
  }
  .sidebar.is-open .nav-list,.sidebar.is-open .sidebar-foot{transform:translateX(0)}
  .content-area{margin-left:0;padding-top:60px}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .sticky-card{display:none}
  .article-body{padding:26px 22px 24px}
  .container-x{padding:0 20px}
  .site-footer{margin-top:56px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container-x{padding:0 16px}
  .crumbs{font-size:13px;padding-top:20px}
  .crumbs .current{max-width:220px}
  .article-head{padding-top:18px}
  .article-head .h1{font-size:clamp(22px,6vw,28px)}
  .lead{padding:16px}
  .article-body{padding:22px 18px}
  .prose{font-size:16px;line-height:1.85}
  .prose h2{font-size:21px;margin-top:1.7em}
  .prose h3{font-size:18px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-card{padding:24px 20px;flex-direction:column;align-items:flex-start}
  .cta-card .btn-cta{width:100%}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .related{padding:48px 0 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom{flex-direction:column}
  .modal-content{border-radius:20px 20px 0 0}
  .modal-dialog{margin:0;position:fixed;left:0;right:0;bottom:0;top:auto}
  .modal-dialog .modal-content{max-height:92vh;overflow-y:auto}
  .btn-cta,.btn-ghost{height:48px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .article-body{padding:18px 15px}
  .empty-state{padding:40px 16px}
}

/* roulang page: category1 */
:root{
  --ink:#10473D;
  --ink-deep:#0B3129;
  --mint:#2FC6A8;
  --orange:#FF7A2F;
  --orange-deep:#F26A1C;
  --sun:#FFC94A;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#1B211F;
  --muted:#5C6663;
  --r-lg:20px;
  --r:18px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,49,41,.06);
  --sh-2:0 12px 26px rgba(11,49,41,.12);
  --sidebar:240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;}

.container-x{max-width:1120px;margin:0 auto;padding:0 32px;}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--card);
  border-right:1px solid var(--line);
  padding:20px 16px 22px;
  display:flex;flex-direction:column;
  overflow-y:auto;
  z-index:1040;
}
.sidebar-head{padding:2px 4px 0;}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;
}
.brand__mark{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(47,198,168,.45);
}
.brand__text{line-height:1.2;}
.brand__sub{
  display:block;font-size:11.5px;font-weight:500;color:var(--muted);
  letter-spacing:.06em;margin-top:3px;
}
.nav-list{display:flex;flex-direction:column;gap:4px;margin-top:26px;}
.nav-label{
  font-size:11.5px;letter-spacing:.16em;color:var(--muted);
  padding:0 12px 8px;font-weight:600;
}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 14px;border-radius:10px;
  color:var(--text);font-size:15.5px;font-weight:500;
  transition:background-color .18s ease,color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;color:var(--muted);transition:color .18s ease;}
.nav-item:hover{background:rgba(16,71,61,.06);color:var(--ink);}
.nav-item:hover i{color:var(--ink);}
.nav-item.is-active{background:rgba(47,198,168,.14);color:var(--ink);font-weight:600;}
.nav-item.is-active i{color:var(--ink);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--ink);
}
.side-cta{
  margin-top:auto;padding-top:20px;border-top:1px solid var(--line);
}
.side-cta .btn-x{width:100%;}
.side-note{margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.7;}
.side-note .meta-line{margin:0 0 6px;display:flex;align-items:center;gap:7px;}
.side-note i{color:var(--mint);}
.side-note a{font-size:12.5px;color:var(--ink);text-decoration:underline;}

/* ---------- 移动端顶部条 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:1030;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(246,243,236,.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar__brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17.5px;color:var(--ink);}
.topbar__brand .brand__mark{width:32px;height:32px;font-size:16px;border-radius:10px;}
.hamb{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);font-size:17px;cursor:pointer;
  display:grid;place-items:center;transition:background-color .18s ease;
}
.hamb:hover{background:rgba(16,71,61,.06);}
.scrim{
  position:fixed;inset:0;background:rgba(11,49,41,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:1035;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 页面主体 ---------- */
.page{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column;}
.content{flex:1 0 auto;padding:34px 0 0;}
.section{margin-top:80px;}
.section--tight{margin-top:56px;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:18px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--orange);}
.crumb .sep{color:#C9C3B6;}
.crumb .now{color:var(--ink);font-weight:600;}

/* ---------- 分类页头部 ---------- */
.cat-hero{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
}
.cat-hero__grid{display:grid;grid-template-columns:1.06fr .94fr;}
.cat-hero__body{padding:38px 38px 32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink);
  background:rgba(47,198,168,.16);border-radius:999px;padding:5px 13px;
  margin-bottom:16px;
}
.eyebrow i{color:var(--ink);font-size:12px;}
h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
  margin-bottom:14px;
}
.lead-x{
  font-size:16.5px;color:var(--muted);line-height:1.85;
  max-width:44ch;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cat-hero__media{
  position:relative;min-height:300px;background:rgba(16,71,61,.08);
}
.cat-hero__media img{width:100%;height:100%;object-fit:cover;}
.tag-on-img{
  position:absolute;left:16px;bottom:16px;
  background:rgba(11,49,41,.72);color:#fff;
  font-size:12.5px;letter-spacing:.04em;
  padding:6px 13px;border-radius:999px;
}
.trust-bar{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;
  padding:16px 38px;border-top:1px solid var(--line);
  background:rgba(246,243,236,.6);
}
.trust-bar li{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
}
.trust-bar li i{color:var(--mint);font-size:13px;}

/* ---------- 通用按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-x-primary{background:var(--orange);border-color:var(--orange);color:#fff;}
.btn-x-primary:hover,.btn-x-primary:focus{
  background:var(--orange-deep);border-color:var(--orange-deep);color:#fff;
  transform:translateY(-2px);box-shadow:0 10px 20px rgba(255,122,47,.28);
}
.btn-x-primary:active{transform:translateY(0) scale(.99);box-shadow:none;}
.btn-x-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-x-ghost:hover,.btn-x-ghost:focus{background:rgba(16,71,61,.06);color:var(--ink);transform:translateY(-2px);}
.btn-x-ghost:active{transform:translateY(0) scale(.99);}
.btn-x-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-x-mid{height:42px;padding:0 20px;font-size:15px;}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:26px;}
.sec-head h2{
  font-size:clamp(23px,2.5vw,30px);font-weight:700;line-height:1.35;
  margin-bottom:10px;
}
.sec-head p{color:var(--muted);max-width:66ch;margin:0;}
.sec-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--ink);
  background:rgba(47,198,168,.14);border-radius:999px;padding:4px 11px;
  margin-bottom:12px;
}

/* ---------- 卡片 ---------- */
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,71,61,.25);}

/* ---------- Z 字交错 ---------- */
.zig{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  margin-top:34px;
}
.zig:first-of-type{margin-top:0;}
.zig--rev .zig__media{order:2;}
.zig__media{border-radius:var(--r);overflow:hidden;background:rgba(16,71,61,.08);}
.zig__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.zig__body h3{font-size:21px;font-weight:600;margin-bottom:12px;}
.zig__body > p{color:var(--muted);font-size:15.8px;margin-bottom:16px;}
.point-list{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:16px;}
.point-list li{
  position:relative;padding-left:26px;font-size:15.5px;color:var(--text);line-height:1.7;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:12px;height:12px;border-radius:4px;
  background:rgba(47,198,168,.28);
  box-shadow:inset 0 0 0 2px var(--mint);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.text-link i{font-size:12px;transition:transform .2s ease;}
.text-link:hover{color:var(--orange);text-decoration:underline;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 步骤列表 ---------- */
.steps-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:12px 34px;box-shadow:var(--sh-1);
}
.steps{list-style:none;}
.step{
  display:flex;gap:20px;padding:24px 0;
  border-bottom:1px dashed var(--line);
}
.step:last-child{border-bottom:0;}
.step__num{
  flex:0 0 auto;width:48px;height:48px;border-radius:14px;
  background:rgba(16,71,61,.06);color:var(--ink);
  display:grid;place-items:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:inset 0 0 0 1px rgba(16,71,61,.1);
}
.step__body h3{font-size:17.5px;font-weight:600;margin-bottom:6px;}
.step__body p{color:var(--muted);font-size:15.3px;margin:0;}

/* ---------- 场景卡 ---------- */
.scene-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.scene{
  padding:24px 22px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,71,61,.25);}
.scene__icon{
  width:42px;height:42px;border-radius:12px;
  background:rgba(47,198,168,.15);color:var(--ink);
  display:grid;place-items:center;font-size:17px;margin-bottom:14px;
}
.scene h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.scene p{color:var(--muted);font-size:14.8px;line-height:1.75;margin:0;}

/* ---------- 深色信息区 ---------- */
.dark-panel{
  background:var(--ink-deep);border-radius:var(--r-lg);
  padding:48px 44px;color:rgba(255,255,255,.8);
}
.dark-panel h2{color:#fff;font-size:clamp(22px,2.3vw,28px);margin-bottom:10px;}
.dark-panel .dark-lead{color:rgba(255,255,255,.68);max-width:62ch;margin-bottom:30px;}
.dark-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.dark-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-sm);padding:20px 20px 18px;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.dark-card:hover{background:rgba(255,255,255,.1);border-color:rgba(47,198,168,.45);transform:translateY(-3px);}
.dark-card h3{color:var(--mint);font-size:16px;font-weight:600;margin-bottom:8px;}
.dark-card p{color:rgba(255,255,255,.7);font-size:14.6px;margin:0;line-height:1.75;}
.dark-card .dot9{display:grid;grid-template-columns:repeat(3,4px);gap:3px;margin-bottom:12px;}
.dark-card .dot9 span{width:4px;height:4px;border-radius:50%;background:rgba(255,201,74,.85);}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none;}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  position:relative;background:transparent;
  padding:20px 46px 20px 0;
  font-size:16.5px;font-weight:600;color:var(--text);
  border-radius:0!important;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent;}
.accordion-button:focus{z-index:2;box-shadow:none;outline:2px solid var(--mint);outline-offset:-2px;}
.accordion-button::after{display:none;}
.accordion-button::before{
  content:"+";position:absolute;right:8px;top:50%;
  transform:translateY(-50%);
  font-size:20px;color:var(--muted);line-height:1;font-weight:400;
  transition:color .2s ease,transform .2s ease;
}
.accordion-button:not(.collapsed)::before{content:"–";color:var(--ink);}
.accordion-body{
  padding:0 40px 22px 0;
  font-size:15.5px;color:var(--muted);line-height:1.85;
}
.accordion-body a{text-decoration:underline;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:38px 40px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(21px,2.2vw,27px);margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:15.6px;margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.privacy-note{
  font-size:13px;color:var(--muted);line-height:1.7;
}
.privacy-note a{text-decoration:underline;}
.privacy-block{
  margin-top:22px;padding:20px 24px;
  background:rgba(47,198,168,.1);
  border-left:4px solid var(--mint);
  border-radius:var(--r-sm);
  font-size:14.4px;color:var(--muted);line-height:1.8;
}
.privacy-block strong{color:var(--ink);}

/* ---------- 表单 / 弹层 ---------- */
.form-label{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text);}
.form-label .req{color:var(--orange);margin-left:2px;}
.form-control,.form-select{
  height:48px;padding:12px 14px;font-size:15.5px;color:var(--text);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);
  box-shadow:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{height:auto;min-height:112px;resize:vertical;line-height:1.75;}
.form-control:focus,.form-select:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(47,198,168,.25);
  background:var(--card);
}
.form-control::placeholder{color:#9AA3A0;}
.form-check{display:flex;gap:10px;align-items:flex-start;}
.form-check-input{
  flex:0 0 auto;width:18px;height:18px;margin:4px 0 0;
  border:1px solid var(--line);box-shadow:none;
}
.form-check-input:checked{background-color:var(--ink);border-color:var(--ink);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(47,198,168,.25);border-color:var(--ink);}
.form-check-label{font-size:14px;color:var(--muted);line-height:1.7;}
.form-check-label a{text-decoration:underline;color:var(--ink);}
.err{display:none;font-size:13px;color:var(--orange);margin-top:6px;}
.err.is-show{display:block;}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;
  background:rgba(47,198,168,.14);border-left:4px solid var(--mint);
  border-radius:12px;font-size:14.5px;color:var(--ink);
}
.form-ok.is-show{display:block;}

.modal-content{border:0;border-radius:20px;box-shadow:0 24px 60px rgba(11,49,41,.22);}
.modal-header{border-bottom:0;padding:26px 26px 4px;align-items:flex-start;}
.modal-title{font-size:19px;font-weight:700;}
.modal-sub{font-size:13.5px;color:var(--muted);margin-top:4px;}
.close-x{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--muted);cursor:pointer;
  display:grid;place-items:center;font-size:15px;transition:background-color .18s ease,color .18s ease;
}
.close-x:hover{background:rgba(16,71,61,.06);color:var(--ink);}
.modal-body{padding:18px 26px 6px;}
.modal-footer{border-top:0;padding:6px 26px 26px;display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--ink-deep);color:rgba(255,255,255,.78);
  padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-weight:700;font-size:18px;margin-bottom:14px;
}
.footer-brand .brand__mark{
  background:var(--mint);color:var(--ink-deep);box-shadow:none;
}
.footer-col p{font-size:14.6px;color:rgba(255,255,255,.7);line-height:1.8;}
.footer-col h4{font-size:14px;color:var(--mint);margin-bottom:14px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;margin-top:10px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:15px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.meta-line{display:flex;align-items:center;gap:8px;font-size:14.2px;color:rgba(255,255,255,.72);margin:0 0 8px;}
.meta-line i{color:var(--mint);font-size:13px;}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.4px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sidebar:220px;}
  .dark-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:991.98px){
  .topbar{display:flex;}
  .sidebar{
    width:286px;max-width:86vw;
    transform:translateX(-104%);transition:transform .28s ease;
    box-shadow:var(--sh-2);
  }
  .sidebar.is-open{transform:translateX(0);}
  .page{margin-left:0;}
  .content{padding-top:26px;}
  .container-x{padding:0 20px;}
  .cat-hero__grid{grid-template-columns:1fr;}
  .cat-hero__body{padding:30px 24px 24px;}
  .cat-hero__media{min-height:220px;order:-1;}
  .trust-bar{padding:14px 24px;}
  .section{margin-top:60px;}
  .zig{grid-template-columns:1fr;gap:22px;}
  .zig--rev .zig__media{order:0;}
  .steps-panel{padding:6px 24px;}
  .cta-band{grid-template-columns:1fr;padding:30px 26px;}
  .dark-panel{padding:36px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:767.98px){
  body{font-size:16px;}
  h1{font-size:clamp(26px,7vw,32px);}
  .scene-grid{grid-template-columns:1fr;}
  .dark-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn-x{flex:1 1 auto;}
  .step{gap:16px;padding:20px 0;}
  .step__num{width:42px;height:42px;font-size:15px;border-radius:12px;}
  .site-footer{margin-top:64px;padding-top:44px;}
}

@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .cat-hero__body{padding:24px 18px 20px;}
  .cat-hero__media{min-height:180px;}
  .trust-bar{padding:12px 18px;gap:8px 16px;}
  .steps-panel{padding:4px 18px;}
  .cta-band{padding:24px 18px;}
  .dark-panel{padding:28px 18px;border-radius:16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-x{width:100%;}
  .modal-dialog{margin:0;min-height:100%;}
  .modal-content{border-radius:20px 20px 0 0;min-height:100vh;}
  .modal-body{padding:16px 18px 6px;}
  .modal-footer{padding:6px 18px 22px;}
  .modal-header{padding:22px 18px 4px;}
}

/* roulang page: category2 */
:root{
  --ink:#10473D;
  --ink-deep:#0B3129;
  --mint:#2FC6A8;
  --orange:#FF7A2F;
  --amber:#FFC94A;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#1B211F;
  --muted:#5C6663;
  --r-lg:20px;
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,49,41,.06);
  --sh-2:0 12px 26px rgba(11,49,41,.12);
  --sidebar-w:240px;

  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#1B211F;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E5E0D6;
  --bs-link-color:#10473D;
  --bs-link-hover-color:#FF7A2F;
  --bs-primary:#10473D;
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;min-height:100vh;align-items:stretch;}
.main-wrap{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.container-x{width:100%;max-width:1120px;margin:0 auto;padding:0 32px;}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  flex:0 0 var(--sidebar-w);
  width:var(--sidebar-w);
  background:var(--ink-deep);
  color:#fff;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  padding:26px 18px 24px;
  display:flex;
  flex-direction:column;
  gap:20px;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:12px;padding:0 6px 4px;min-height:64px;color:#fff;}
.brand:hover{color:#fff;}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(145deg,var(--mint),#1F9E86);
  color:#0B3129;font-weight:800;font-size:21px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(47,198,168,.28);
}
.brand__text{font-size:17px;font-weight:700;letter-spacing:.01em;line-height:1.25;}
.brand__sub{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.5);letter-spacing:.14em;margin-top:2px;}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-label{font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.42);padding:0 14px 8px;text-transform:uppercase;}
.nav-item{
  display:flex;align-items:center;gap:11px;
  height:46px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.82);font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.5);transition:color .18s ease;}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-item:hover i{color:var(--mint);}
.nav-item.is-active{background:rgba(47,198,168,.16);color:#fff;font-weight:600;box-shadow:inset 3px 0 0 var(--mint);}
.nav-item.is-active i{color:var(--mint);}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:4px 0;}
.side-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-note{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55);margin:0;}
.side-note a{color:rgba(255,255,255,.8);text-decoration:underline;}
.side-note a:hover{color:var(--mint);}

/* ---------- 按钮 ---------- */
.btn-main,.btn-out,.btn-lightx{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;text-align:center;
}
.btn-main{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.24);}
.btn-main:hover{background:#F26B1E;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.28);}
.btn-main:active{transform:translateY(0) scale(.99);}
.btn-out{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-out:hover{background:rgba(16,71,61,.06);color:var(--ink);transform:translateY(-2px);}
.btn-out:active{transform:translateY(0) scale(.99);}
.btn-lightx{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff;}
.btn-lightx:hover{background:rgba(255,255,255,.2);color:#fff;}
.btn-sm-x{height:42px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:1035;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--ink-deep);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.topbar .brand__text{font-size:17px;}
.topbar .brand__mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;border-radius:10px;}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:#fff;font-size:17px;display:flex;align-items:center;justify-content:center;
}
.burger:hover{background:rgba(255,255,255,.1);}
.scrim{position:fixed;inset:0;background:rgba(11,49,41,.5);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:1040;}
.scrim.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;z-index:1050;
  background:var(--ink-deep);color:#fff;padding:20px 18px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:#fff;font-size:16px;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1);}
.drawer .nav-item{height:48px;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:26px 0 0;font-size:14px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--ink);text-decoration:underline;}
.crumbs .sep{color:#BCB6A9;}
.crumbs [aria-current="page"]{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{padding:22px 0 6px;}
.badge-tag{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(47,198,168,.16);color:var(--ink);
  font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:999px;
}
.page-title{font-size:clamp(28px,3.6vw,42px);font-weight:700;margin:16px 0 14px;max-width:900px;}
.page-lead{font-size:17px;color:var(--muted);max-width:760px;margin:0 0 22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-media{
  position:relative;height:250px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:rgba(16,71,61,.08);box-shadow:var(--sh-1);
}
.hero-media img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;}
.img-frame::before{
  content:"九";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:68px;font-weight:800;color:rgba(16,71,61,.16);z-index:0;
}
.media-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(11,49,41,.84);color:#fff;font-size:13px;font-weight:600;
  padding:7px 15px;border-radius:999px;letter-spacing:.02em;
}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:clamp(23px,2.5vw,30px);font-weight:700;margin:12px 0 10px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--ink);background:rgba(47,198,168,.14);padding:5px 13px;border-radius:999px;
}
.dot9{
  width:18px;height:18px;flex:0 0 18px;border-radius:5px;
  background-image:radial-gradient(var(--mint) 1.3px,transparent 1.4px);
  background-size:6px 6px;background-position:1px 1px;
}

/* ---------- 问答区 ---------- */
.qa-layout{display:grid;grid-template-columns:238px 1fr;gap:44px;align-items:start;}
.index-panel{position:sticky;top:26px;}
.idx{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 16px;box-shadow:var(--sh-1);
}
.idx summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:9px;
  font-size:15px;font-weight:700;color:var(--ink);margin:0;
}
.idx summary::-webkit-details-marker{display:none;}
.idx summary .chev{margin-left:auto;color:var(--muted);font-size:13px;transition:transform .2s ease;}
.idx[open] summary .chev{transform:rotate(180deg);}
.idx-title{font-size:13px;letter-spacing:.12em;color:var(--muted);padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:10px;font-weight:600;}
.idx-list{display:flex;flex-direction:column;gap:2px;margin-top:10px;}
.idx-list a{
  display:flex;align-items:center;gap:9px;height:40px;padding:0 10px;border-radius:10px;
  font-size:14.5px;color:var(--muted);transition:all .18s ease;
}
.idx-list a i{font-size:11px;color:#B9C4C0;}
.idx-list a:hover{background:rgba(16,71,61,.06);color:var(--ink);}
.idx-list a:hover i{color:var(--mint);}
.idx-help{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}
.idx-help a{color:var(--ink);text-decoration:underline;}
.idx-help a:hover{color:var(--orange);}

.qa-group{margin-bottom:44px;}
.qa-group:last-child{margin-bottom:0;}
.group-title{
  display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;
  margin:0 0 6px;scroll-margin-top:20px;
}
.accordion.qa-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.accordion.qa-accordion .accordion-item:first-child{border-top:1px solid var(--line);}
.accordion.qa-accordion .accordion-button{
  position:relative;background:transparent;box-shadow:none;border:0;border-radius:0;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  padding:19px 48px 19px 4px;text-align:left;
}
.accordion.qa-accordion .accordion-button:hover{color:var(--ink);}
.accordion.qa-accordion .accordion-button:not(.collapsed){color:var(--ink);font-weight:700;background:transparent;box-shadow:none;}
.accordion.qa-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.accordion.qa-accordion .accordion-button:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.accordion.qa-accordion .accordion-button::after{
  content:"+";background-image:none;position:absolute;right:10px;top:50%;
  transform:translateY(-50%);width:auto;height:auto;
  font-size:22px;font-weight:400;line-height:1;color:var(--muted);
  transition:color .2s ease;
}
.accordion.qa-accordion .accordion-button:not(.collapsed)::after{content:"–";color:var(--ink);transform:translateY(-50%);}
.accordion.qa-accordion .accordion-body{
  padding:0 48px 22px 4px;font-size:16px;color:var(--muted);line-height:1.85;
}
.accordion.qa-accordion .accordion-body a{color:var(--ink);text-decoration:underline;}
.accordion.qa-accordion .accordion-body a:hover{color:var(--orange);}

/* ---------- 提示条 ---------- */
.tip-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(16,71,61,.06);border-left:4px solid var(--ink);
  border-radius:var(--r-sm);padding:20px 24px;margin-top:8px;
}
.tip-bar i{color:var(--mint);font-size:18px;margin-top:3px;}
.tip-bar h3{font-size:16.5px;font-weight:700;margin:0 0 6px;}
.tip-bar p{margin:0;font-size:15.5px;color:var(--muted);}
.tip-bar p a{color:var(--ink);text-decoration:underline;}

/* ---------- 方案卡片（1 大 + 2 小） ---------- */
.plan-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;}
.plan-lg{
  grid-row:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-lg:hover,.plan-sm:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,71,61,.25);}
.plan-lg .plan-media{position:relative;height:210px;background:rgba(16,71,61,.08);}
.plan-lg .plan-media img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;}
.plan-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.plan-body h3{font-size:20px;font-weight:700;}
.plan-body p{font-size:15.5px;color:var(--muted);margin:0;}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.check-list li{display:flex;gap:10px;font-size:15.5px;color:var(--muted);line-height:1.7;}
.check-list li i{color:var(--mint);font-size:14px;margin-top:6px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;
  font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow i{font-size:12px;transition:transform .2s ease;}
.link-arrow:hover{color:var(--orange);}
.link-arrow:hover i{transform:translateX(4px);}
.plan-sm{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-sm .icon-chip{
  width:44px;height:44px;border-radius:12px;background:rgba(47,198,168,.16);
  color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.plan-sm h3{font-size:17px;font-weight:700;}
.plan-sm p{font-size:15px;color:var(--muted);margin:0;}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  background:var(--ink-deep);border-radius:24px;padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,198,168,.25),transparent 68%);
}
.cta-copy{position:relative;z-index:1;color:#fff;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:12px;}
.cta-copy>p{color:rgba(255,255,255,.72);font-size:16px;}
.mini-list{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.82);}
.mini-list li i{color:var(--mint);font-size:14px;margin-top:6px;}
.form-card{
  position:relative;z-index:1;background:#fff;border-radius:var(--r-card);
  padding:26px;box-shadow:0 18px 40px rgba(0,0,0,.16);
}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.field .req{color:var(--orange);}
.form-control,.form-select{
  height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15.5px;color:var(--text);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{height:auto;min-height:106px;resize:vertical;line-height:1.7;}
.form-control::placeholder{color:#A9B1AE;}
.form-control:focus,.form-select:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(47,198,168,.25);outline:none;
}
.form-select{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2310473D' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:38px;
}
.field.has-error .form-control,.field.has-error .form-select{border-color:var(--orange);}
.err{font-size:13px;color:var(--orange);margin:0;min-height:0;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 16px;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--ink);flex:0 0 18px;}
.check-row label{font-size:14px;color:var(--muted);line-height:1.7;}
.check-row label a{color:var(--ink);text-decoration:underline;}
.privacy-note{font-size:13px;color:var(--muted);margin:14px 0 0;line-height:1.7;}
.privacy-note a{color:var(--ink);text-decoration:underline;}
.privacy-note a:hover{color:var(--orange);}
.form-ok{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(47,198,168,.14);border-left:4px solid var(--mint);
  font-size:14.5px;color:var(--ink);
}
.form-ok.is-on{display:block;}

/* ---------- 弹层 ---------- */
.modal-content{
  border:none;border-radius:var(--r-lg);background:#fff;
  box-shadow:0 26px 60px rgba(11,49,41,.24);
}
.modal-header{border-bottom:0;padding:24px 26px 6px;}
.modal-title{font-size:18px;font-weight:700;}
.modal-body{padding:12px 26px 24px;}
.modal .btn-close{
  width:34px;height:34px;border-radius:50%;background-color:rgba(16,71,61,.08);
  opacity:1;background-size:11px;transition:background-color .18s ease;
}
.modal .btn-close:hover{background-color:rgba(16,71,61,.16);}
.modal-footer{border-top:1px solid var(--line);padding:18px 26px;}
@media (max-width:575.98px){
  .modal .modal-dialog{max-width:none;margin:0;position:fixed;left:0;right:0;bottom:0;}
  .modal .modal-content{border-radius:20px 20px 0 0;max-height:92vh;overflow-y:auto;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);margin-top:auto;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:inline-flex;align-items:center;gap:11px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand__mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;border-radius:10px;}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--mint);margin-bottom:14px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:15px;color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.meta-line{display:flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(255,255,255,.7);margin:0 0 10px;}
.meta-line i{color:var(--mint);font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container-x{padding:0 26px;}
  .qa-layout{grid-template-columns:210px 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .container-x{padding:0 20px;}
  .section{padding:56px 0;}
  .qa-layout{grid-template-columns:1fr;gap:26px;}
  .index-panel{position:static;}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container-x{padding:0 16px;}
  .section{padding:48px 0;}
  .hero-media{height:200px;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-lg{grid-row:auto;}
  .plan-lg .plan-media{height:180px;}
  .cta-panel{padding:24px;border-radius:20px;}
  .form-card{padding:20px;}
  .accordion.qa-accordion .accordion-body{padding-right:8px;}
  .btn-main,.btn-out,.btn-lightx{width:100%;}
  .hero-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .page-title{font-size:26px;}
  .hero-media{height:180px;}
  .media-tag{left:14px;bottom:14px;font-size:12px;}
}

/* roulang page: category3 */
:root{
  --ink:#10473D;
  --ink-deep:#0B3129;
  --mint:#2FC6A8;
  --orange:#FF7A2F;
  --orange-deep:#F0691C;
  --yellow:#FFC94A;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#1B211F;
  --muted:#5C6663;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,49,41,.06);
  --sh-2:0 12px 26px rgba(11,49,41,.12);
  --sidebar-w:240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--orange)}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}

/* 布局 */
.app{display:flex;min-height:100vh}
.sidebar{
  flex:0 0 var(--sidebar-w);
  width:var(--sidebar-w);
  background:var(--ink-deep);
  color:#EAF3F0;
  position:sticky;
  top:0;
  height:100vh;
  display:flex;
  flex-direction:column;
  padding:22px 16px 20px;
  overflow-y:auto;
  z-index:1030;
}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.container-x{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* 品牌 */
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;line-height:1.2;color:#fff}
.brand:hover{color:#fff}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(140deg,var(--mint),#1E9E86);
  color:#062B25;font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.brand__text{letter-spacing:.01em}
.sidebar__brand{padding:4px 6px 20px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:18px}

/* 左侧导航 */
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-label{
  font-size:12px;letter-spacing:.16em;color:rgba(234,243,240,.5);
  padding:0 12px 8px;display:block;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:46px;padding:0 14px;border-radius:10px;
  color:rgba(234,243,240,.82);font-size:15px;font-weight:500;
  transition:background-color .2s ease,color .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--mint);opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item:hover i{color:#fff}
.nav-item.is-active{background:rgba(47,198,168,.16);color:#fff;font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--mint);
}
.sidebar__foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.sidebar__meta{font-size:13px;line-height:1.7;color:rgba(234,243,240,.62);margin:14px 0 8px}
.sidebar__link{font-size:13px;color:var(--mint)}
.sidebar__link:hover{color:#fff;text-decoration:underline}

/* 顶部条（移动） */
.topbar{
  display:none;align-items:center;justify-content:space-between;
  height:60px;padding:0 16px;background:var(--ink-deep);
  position:sticky;top:0;z-index:1035;
}
.topbar .brand{font-size:17px}
.hamburger{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.24);border-radius:11px;
  background:transparent;display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:4px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:#EAF3F0;border-radius:2px}
.drawer{
  position:fixed;top:0;right:0;width:84%;max-width:340px;height:100%;
  background:#fff;z-index:1050;padding:22px 18px;
  transform:translateX(105%);transition:transform .28s ease;overflow-y:auto;
  box-shadow:-14px 0 40px rgba(11,49,41,.18);
}
.drawer.is-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:999px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--ink);font-size:16px;
}
.drawer .nav-item{color:var(--text);min-height:48px;border-radius:10px;border-bottom:1px solid var(--line);border-radius:0}
.drawer .nav-item i{color:var(--ink)}
.drawer .nav-item:hover{background:rgba(16,71,61,.06);color:var(--ink)}
.drawer .nav-item.is-active{background:rgba(47,198,168,.14);color:var(--ink)}
.drawer .nav-item.is-active::before{background:var(--ink)}
.drawer__foot{margin-top:22px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,49,41,.48);z-index:1045;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}

/* 面包屑 */
.breadcrumb-x{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);padding:24px 0 18px;
}
.breadcrumb-x a{color:var(--muted)}
.breadcrumb-x a:hover{color:var(--orange)}
.breadcrumb-x .sep{color:#C4BFB2}
.breadcrumb-x .current{color:var(--ink);font-weight:600}

/* 页头 */
.page-hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:250px;display:flex;align-items:flex-end;
  box-shadow:var(--sh-1);
}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(11,49,41,.92) 8%,rgba(16,71,61,.72) 52%,rgba(16,71,61,.34) 100%);
}
.page-hero__inner{position:relative;padding:34px 36px;max-width:760px}
.page-hero__tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(47,198,168,.2);border:1px solid rgba(47,198,168,.55);
  color:#BFF3E7;font-size:12.5px;padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.4vw,42px);line-height:1.25;
  margin-bottom:12px;letter-spacing:-.015em;
}
.page-hero p{color:rgba(255,255,255,.84);font-size:16.5px;max-width:640px;margin:0}

/* 通用板块 */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.sec-head{max-width:740px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;
  letter-spacing:.14em;color:var(--ink);font-weight:600;margin-bottom:12px;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}

/* 表格 */
.table-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;border-bottom:1px solid var(--line);background:#FBFAF6;
}
.table-head h3{font-size:17px}
.table-head span{font-size:13px;color:var(--muted)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table{width:100%;min-width:780px;border-collapse:separate;border-spacing:0}
.data-table th{
  background:#F0ECE1;color:var(--ink);font-size:13.5px;font-weight:600;
  text-align:left;padding:14px 20px;white-space:nowrap;
  border-bottom:1px solid var(--line);
}
.data-table td{
  padding:16px 20px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover td{background:#FCFBF7}
.data-table .row-name{font-weight:600;color:var(--ink);white-space:nowrap}
.data-table .diff{color:var(--muted);font-size:14px}
.pill-soft{
  display:inline-block;background:rgba(47,198,168,.14);color:var(--ink);
  font-size:12.5px;padding:3px 10px;border-radius:999px;font-weight:600;
}
.pill-warn{
  display:inline-block;background:rgba(255,122,47,.13);color:#C4531A;
  font-size:12.5px;padding:3px 10px;border-radius:999px;font-weight:600;
}
.table-tip{padding:14px 24px;font-size:13.5px;color:var(--muted);background:#FBFAF6;border-top:1px solid var(--line)}
.table-tip i{color:var(--mint);margin-right:6px}

/* 特性卡 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,71,61,.25)}
.feature-card__icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,198,168,.14);color:var(--ink);font-size:18px;margin-bottom:16px;
}
.feature-card h3{font-size:17.5px;margin-bottom:8px;line-height:1.4}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px;line-height:1.75}
.feature-card .tag{
  display:inline-block;font-size:12.5px;color:var(--ink);font-weight:600;
  background:rgba(47,198,168,.1);padding:3px 10px;border-radius:999px;
}

/* 数据区 */
.section--dark{background:var(--ink-deep);color:#EAF3F0}
.section--dark .sec-head h2{color:#fff}
.section--dark .sec-head p{color:rgba(234,243,240,.72)}
.section--dark .eyebrow{color:#BFF3E7}
.bar-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.bar-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:24px;
}
.bar-card__top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:14px}
.bar-card__top span{font-size:15px;color:rgba(234,243,240,.86)}
.bar-card__top strong{
  font-size:32px;font-weight:700;color:var(--yellow);
  font-variant-numeric:tabular-nums;line-height:1;
}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:999px}
.bar-fill--mint{background:linear-gradient(90deg,#1E9E86,var(--mint))}
.bar-fill--orange{background:linear-gradient(90deg,#D95F1B,var(--orange))}
.bar-card__note{font-size:13px;color:rgba(234,243,240,.6);margin:12px 0 0}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.stat-item{border-left:2px solid rgba(47,198,168,.5);padding-left:16px}
.stat-item strong{
  display:block;font-size:30px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item span{font-size:13.5px;color:rgba(234,243,240,.66)}

/* 说明列表 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--text);
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--mint);margin-top:5px;font-size:15px}
.split__media img{border-radius:var(--r-lg);box-shadow:var(--sh-1);width:100%;aspect-ratio:16/10;object-fit:cover}

/* FAQ */
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:8px 26px;box-shadow:var(--sh-1)}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:600;color:var(--text);
  padding:22px 44px 22px 0;line-height:1.5;
}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  background-image:none;content:"+";font-size:20px;line-height:1;
  color:var(--muted);width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  transition:color .2s ease;
}
.accordion-button:not(.collapsed)::after{background-image:none;content:"−";color:var(--ink);transform:none}
.accordion-body{padding:0 44px 22px 0;color:var(--muted);font-size:15.5px;line-height:1.85}
.accordion-body a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(47,198,168,.6)}

/* CTA */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(21px,2.2vw,27px);margin-bottom:12px;line-height:1.35}
.cta-band p{color:var(--muted);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.privacy-note{font-size:13px;color:var(--muted);margin-top:14px}
.privacy-note a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(47,198,168,.6)}
.cta-aside{
  background:#FBFAF6;border:1px solid var(--line);border-radius:var(--r-sm);padding:22px;
}
.cta-aside h3{font-size:16px;margin-bottom:12px}
.cta-aside li{font-size:14.5px;color:var(--muted);display:flex;gap:10px;padding:7px 0}
.cta-aside li i{color:var(--orange);margin-top:5px;font-size:13px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease;
  line-height:1;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:rgba(16,71,61,.06);color:var(--ink);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0) scale(.99)}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--ink);font-weight:600;font-size:14.5px}
.text-link:hover{color:var(--orange);text-decoration:underline}
.text-link i{font-size:12px;margin-left:4px}

/* 表单 */
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.req{color:var(--orange);margin-left:2px}
.form-control,.form-select{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--line);
  padding:12px 14px;font-size:15px;color:var(--text);background:#fff;
  box-shadow:none;
}
.form-control::placeholder{color:#9AA3A0}
.form-control:focus,.form-select:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(47,198,168,.25);outline:none;
}
textarea.form-control{height:auto;min-height:112px;resize:vertical;line-height:1.7}
.form-check-input{width:18px;height:18px;border-radius:6px;border:1px solid #CFC9BB;margin-top:3px}
.form-check-input:checked{background-color:var(--ink);border-color:var(--ink)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(47,198,168,.25);border-color:var(--ink)}
.form-check-label{font-size:13.5px;color:var(--muted);line-height:1.7}
.err-msg{display:none;font-size:13px;color:var(--orange);margin-top:6px}
.field-error .form-control,.field-error .form-select{border-color:var(--orange)}
.field-error .err-msg{display:block}
.form-ok{
  display:none;margin-top:16px;font-size:14px;color:var(--ink);
  background:rgba(47,198,168,.14);border:1px solid rgba(47,198,168,.4);
  border-radius:var(--r-sm);padding:12px 14px;
}

/* 弹层 */
.modal-content{border:0;border-radius:var(--r-lg);box-shadow:0 26px 60px rgba(11,49,41,.24)}
.modal-header{border-bottom:0;padding:24px 26px 6px}
.modal-title{font-size:19px;font-weight:700;color:var(--ink)}
.modal-body{padding:10px 26px 24px}
.modal-footer{border-top:1px solid var(--line);padding:18px 26px 22px;gap:12px}
.btn-close{
  width:34px;height:34px;border-radius:999px;background-color:rgba(16,71,61,.07);
  background-size:11px;opacity:.75;
}
.btn-close:hover{opacity:1;background-color:rgba(255,122,47,.14)}

/* 页脚 */
.site-footer{background:var(--ink-deep);color:rgba(234,243,240,.78);margin-top:auto;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-col p{font-size:14.5px;line-height:1.8;color:rgba(234,243,240,.7);margin:0}
.footer-col h4{font-size:14px;color:var(--mint);margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:15px;color:rgba(234,243,240,.78)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.meta-line{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(234,243,240,.7);margin:0 0 10px}
.meta-line i{color:var(--mint)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  font-size:13.5px;color:rgba(234,243,240,.6);
}

/* 响应式 */
@media (max-width:1199px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .app{display:block}
  .sidebar{display:none}
  .topbar{display:flex}
  .container-x{padding:0 20px}
  .section{padding:56px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split__media{order:-1}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .bar-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:48px 0}
  .page-hero{min-height:220px}
  .page-hero__inner{padding:24px 20px}
  .page-hero p{font-size:15.5px}
  .table-head{flex-direction:column;align-items:flex-start;gap:6px}
  .faq-wrap{padding:4px 18px}
  .accordion-button{font-size:16px;padding:18px 38px 18px 0}
  .accordion-body{padding:0 30px 18px 0;font-size:15px}
  .btn-block-mobile{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .page-hero{min-height:200px}
  .feature-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr;gap:16px}
  .stat-item strong{font-size:25px}
  .feature-card{padding:20px 18px}
  .container-x{padding:0 16px}
}

/* roulang page: category4 */
:root{
  --ink:#10473D;
  --ink-deep:#0B3129;
  --mint:#2FC6A8;
  --orange:#FF7A2F;
  --yellow:#FFC94A;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#1B211F;
  --muted:#5C6663;
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,49,41,.06);
  --sh-2:0 12px 26px rgba(11,49,41,.12);
  --side-w:240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
h1{font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.25}
h2{font-size:clamp(23px,2.5vw,31px);font-weight:700}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.35em}
li{margin-bottom:.4em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}

/* 布局 */
.layout{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink-deep);
  padding:22px 16px 26px;
  display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;z-index:70;
}
.sidebar__brand{display:flex;align-items:center;gap:10px;padding:6px 6px 14px;border-bottom:1px solid rgba(255,255,255,.10)}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--mint);color:#08312A;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
}
.brand__text{color:#fff;font-weight:700;font-size:16px;line-height:1.25}
.brand__text small{display:block;font-weight:400;font-size:12px;color:rgba(255,255,255,.6);margin-top:2px}
.nav-label{
  display:block;font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.45);
  padding:0 12px 6px;text-transform:uppercase;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
  position:relative;border-left:3px solid transparent;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.55)}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item:hover i{color:var(--mint)}
.nav-item.is-active{
  background:rgba(47,198,168,.16);color:#fff;font-weight:600;
  border-left-color:var(--mint);
}
.nav-item.is-active i{color:var(--mint)}
.side-cta{margin-top:6px}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.10);font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.9}
.side-foot a{color:rgba(255,255,255,.72);text-decoration:underline}
.side-foot a:hover{color:#fff}

.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:80;
  background:var(--ink-deep);padding:0 16px;
  align-items:center;justify-content:space-between;
}
.mobile-bar .brand__text{font-size:17px}
.mobile-toggle{
  width:44px;height:44px;border-radius:11px;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;font-size:17px;
}
.mobile-toggle:hover{background:rgba(255,255,255,.10)}
.sidebar-backdrop{
  display:none;position:fixed;inset:0;background:rgba(11,49,41,.5);z-index:65;
}
.sidebar-backdrop.is-open{display:block}

.main-area{margin-left:var(--side-w)}
.container-x{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;border:1px solid var(--orange);
  font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn-x:hover{background:#F06A1C;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-x:active{transform:translateY(0) scale(.99);box-shadow:none}
.btn-x--sm{min-height:42px;padding:0 18px;font-size:15px}
.btn-x--block{width:100%}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--ink);color:var(--ink);
  font-size:16px;font-weight:600;cursor:pointer;transition:background .18s ease,color .18s ease;
}
.btn-ghost:hover{background:rgba(16,71,61,.06);color:var(--ink)}
.text-link{color:var(--ink);font-weight:600;border-bottom:1px solid rgba(16,71,61,.28);padding-bottom:2px}
.text-link:hover{color:var(--orange);border-bottom-color:var(--orange)}

.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(47,198,168,.16);color:var(--ink);
  border-radius:999px;font-size:12.5px;font-weight:600;
  padding:5px 12px;margin-bottom:14px;
}
.badge-x--yellow{background:rgba(255,201,74,.24);color:#7A5200}

/* 页面头部 */
.page-head{padding:44px 0 12px}
.breadcrumb-x{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb-x a{color:var(--muted)}
.breadcrumb-x a:hover{color:var(--orange)}
.breadcrumb-x span.sep{margin:0 8px;color:#BFC7C4}
.breadcrumb-x .current{color:var(--ink);font-weight:600}
.page-head .lead{font-size:17px;color:var(--muted);max-width:760px;margin-bottom:22px}
.hero-media{
  border-radius:20px;overflow:hidden;position:relative;
  box-shadow:var(--sh-1);
}
.hero-media img{width:100%;height:240px;object-fit:cover;border-radius:20px}
.hero-media .tag-on-img{
  position:absolute;left:18px;bottom:16px;
  background:rgba(11,49,41,.82);color:#fff;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;backdrop-filter:blur(2px);
}

/* 通用板块 */
.section{padding:66px 0 0}
.section--tight{padding-top:52px}
.section-head{max-width:780px;margin-bottom:28px}
.section-head p{color:var(--muted);margin-bottom:0}

/* 时间线 */
.timeline{position:relative;padding-left:34px;margin-top:6px}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--mint),rgba(47,198,168,.18));
}
.tl-item{position:relative;padding:0 0 26px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-34px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--mint);box-shadow:0 0 0 4px rgba(47,198,168,.18);
}
.tl-item h3{margin-bottom:6px;font-size:19px}
.tl-item p{margin-bottom:0;color:var(--muted);max-width:760px}
.tl-num{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--ink);
  background:rgba(47,198,168,.16);border-radius:6px;padding:2px 8px;margin-right:8px;
  font-variant-numeric:tabular-nums;
}

/* 提示框 */
.alert-x{
  border:1px solid var(--line);border-left:4px solid var(--mint);
  background:var(--card);border-radius:var(--r-md);
  padding:18px 20px;margin-bottom:16px;box-shadow:var(--sh-1);
}
.alert-x h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.alert-x p{margin-bottom:0;color:var(--muted)}
.alert-x.is-note{border-left-color:var(--yellow)}
.alert-x.is-warn{border-left-color:var(--orange)}
.alert-x i{font-size:16px}
.alert-x.is-ok i{color:var(--mint)}
.alert-x.is-note i{color:#D99B00}
.alert-x.is-warn i{color:var(--orange)}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,71,61,.25)}
.scene-card img{width:100%;height:180px;object-fit:cover;border-radius:0}
.scene-card__body{padding:20px 22px 22px}
.scene-card__body h3{font-size:19px;margin-bottom:8px}
.scene-card__body p{color:var(--muted);font-size:15.5px;margin-bottom:12px}
.scene-list{list-style:none;padding:0;margin:0}
.scene-list li{display:flex;gap:9px;font-size:15px;color:var(--text);margin-bottom:7px;align-items:flex-start}
.scene-list i{color:var(--mint);font-size:13px;margin-top:6px}

/* 手风琴 */
.faq-wrap{max-width:860px}
.accordion-x{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{
  width:100%;background:transparent;border:0;text-align:left;
  padding:20px 44px 20px 0;position:relative;
  font-size:17.5px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .2s ease;
}
.acc-btn:hover{color:var(--orange)}
.acc-btn .sign{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--muted);transition:all .2s ease;
}
.acc-item.is-open .acc-btn{color:var(--ink)}
.acc-item.is-open .sign{background:var(--ink);border-color:var(--ink);color:#fff}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .25s ease}
.acc-panel__inner{padding:0 40px 22px 0;color:var(--muted);font-size:15.8px}
.acc-panel__inner p:last-child{margin-bottom:0}

/* 线索区 */
.lead-box{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:34px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:start;
}
.lead-intro h2{font-size:26px;margin-bottom:14px}
.lead-intro p{color:var(--muted)}
.lead-points{list-style:none;padding:0;margin:18px 0 0}
.lead-points li{display:flex;gap:10px;margin-bottom:10px;font-size:15.5px}
.lead-points i{color:var(--orange);margin-top:6px;font-size:13px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field .req{color:var(--orange)}
.form-control,.form-select{
  width:100%;min-height:48px;padding:11px 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--text);font-size:15.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{min-height:110px;resize:vertical}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(47,198,168,.25);
}
.form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 19px) 21px,calc(100% - 14px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.err-msg{display:none;font-size:13px;color:var(--orange);margin-top:6px}
.err-msg.is-show{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px}
.check-row input{width:18px;height:18px;margin-top:5px;accent-color:var(--ink);flex:0 0 18px}
.check-row label{font-size:13.8px;color:var(--muted);margin:0;font-weight:400;line-height:1.7}
.privacy-line{font-size:13px;color:var(--muted);margin-top:14px}
.privacy-line a{text-decoration:underline;font-weight:600}

/* 模态 */
.modal-content{border:0;border-radius:20px;box-shadow:0 22px 50px rgba(11,49,41,.22)}
.modal-header{border-bottom:0;padding:24px 26px 6px}
.modal-title{font-size:18px;font-weight:700;color:var(--ink)}
.modal-body{padding:14px 26px 26px}
.modal-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--ink);border-color:var(--ink);color:#fff}

/* 页脚 */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);margin-top:80px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.66);line-height:1.85}
.footer-col h4{font-size:14px;color:var(--mint);margin-bottom:14px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{color:rgba(255,255,255,.8);font-size:15px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.meta-line{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:8px;display:flex;gap:8px;align-items:center}
.meta-line i{color:var(--mint)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1199px){
  :root{--side-w:220px}
  .lead-box{grid-template-columns:1fr;gap:26px}
}
@media (max-width:991px){
  .sidebar{
    transform:translateX(-100%);transition:transform .26s ease;width:280px;
    padding-top:20px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .mobile-bar{display:flex}
  .main-area{margin-left:0;padding-top:60px}
  .container-x{padding:0 20px}
  .scene-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .page-head{padding:30px 0 8px}
  .hero-media img{height:200px}
  .section{padding:48px 0 0}
  .lead-box{padding:22px 18px;border-radius:16px}
  .btn-x,.btn-ghost{width:100%}
  .acc-btn{font-size:16.5px;padding-right:38px}
  .acc-panel__inner{padding-right:10px}
  .site-footer{margin-top:56px;padding:44px 0 22px}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .footer-grid{grid-template-columns:1fr}
  .hero-media img{height:176px}
  .scene-card img{height:160px}
  .timeline{padding-left:28px}
  .tl-dot{left:-28px}
  .footer-bottom{flex-direction:column;gap:8px}
}