/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#1E6F5C;
  --c-primary-d:#155246;
  --c-primary-l:#EAF4F0;
  --c-accent:#F2A03D;
  --c-accent-l:#FBF3E6;
  --c-warn:#E0533D;
  --bg-page:#F7F5F1;
  --bg-elev:#FFFFFF;
  --bg-soft:#EAF4F0;
  --bg-soft2:#FBF3E6;
  --t-1:#12211D;
  --t-2:#4A5A55;
  --t-3:#7C8B86;
  --line:#E3E1DA;
  --grad-brand:linear-gradient(118deg,#1E6F5C 0%,#2E9C86 52%,#7BD3B6 100%);
  --sh-1:0 2px 6px rgba(18,33,29,.06);
  --sh-2:0 18px 40px -18px rgba(18,33,29,.28);
  --r-lg:22px;
  --r-md:14px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --container:1200px;
}
@media (min-width:1440px){:root{--container:1280px;}}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--t-1);background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:767px){.container{padding:0 16px;}}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#24806a;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.92);color:var(--c-primary-d);box-shadow:0 6px 18px -8px rgba(0,0,0,.4);}
.btn-ghost:hover{background:#fff;transform:translateY(-2px);}
.btn-sm{height:34px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn[disabled]{opacity:.6;cursor:not-allowed;}

.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary);}
.badge-accent{background:rgba(242,160,61,.14);color:#B26A11;}
.badge-dark{background:rgba(18,33,29,.72);color:#fff;backdrop-filter:blur(4px);}

.section{padding:96px 0;}
.section-soft{background:var(--bg-soft);}
.section-warm{background:var(--bg-soft2);}
.section-white{background:var(--bg-elev);}
@media (max-width:1023px){.section{padding:72px 0;}}
@media (max-width:767px){.section{padding:56px 0;}}

.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-primary);background:var(--c-primary-l);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.section-head h2{font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.3px;}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--t-2);line-height:1.8;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.86);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:grid;grid-template-columns:auto minmax(260px,1fr) auto;
  align-items:center;gap:28px;height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;flex:none;
  box-shadow:0 8px 18px -8px rgba(30,111,92,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--t-3);letter-spacing:.02em;}

.nav-search{
  display:flex;align-items:center;gap:8px;width:100%;max-width:520px;margin:0 auto;
  height:46px;padding:0 6px 0 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(30,111,92,.12);}
.nav-search svg{flex:none;color:var(--t-3);}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--t-1);
}
.nav-search input::placeholder{color:var(--t-3);}
.nav-search button{
  flex:none;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease;
}
.nav-search button:hover{background:#24806a;}

.nav-links{display:flex;align-items:center;gap:6px;flex:none;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--t-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:var(--r-pill);background:var(--grad-brand);
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--t-1);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

@media (max-width:1023px){
  .header-inner{grid-template-columns:auto 1fr auto;gap:14px;height:68px;}
  .nav-links{display:none;}
  .nav-search{max-width:none;}
  .menu-toggle{display:flex;}
}
@media (max-width:767px){
  .header-inner{grid-template-columns:auto auto auto;gap:10px;}
  .brand-text em{display:none;}
  .nav-search{display:none;}
}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,29,.46);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:90;
  background:#fff;box-shadow:-16px 0 40px -20px rgba(18,33,29,.5);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:22px 20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head strong{font-size:17px;font-weight:800;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  font-size:22px;line-height:1;color:var(--t-2);
}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;background:var(--bg-page);border-radius:var(--r-pill);border:1px solid var(--line);}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--t-2);
}
.drawer-nav a.is-active{background:var(--c-primary-l);color:var(--c-primary);}
.drawer-note{font-size:13px;color:var(--t-3);line-height:1.7;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
  background-image:
    linear-gradient(180deg,rgba(247,245,241,.93) 0%,rgba(247,245,241,.97) 62%,#F7F5F1 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,center;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(123,211,182,.34),rgba(123,211,182,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-primary);background:rgba(255,255,255,.9);
  border:1px solid rgba(30,111,92,.18);
  padding:7px 16px;border-radius:var(--r-pill);margin-bottom:22px;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.22;letter-spacing:-.5px;
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.85;color:var(--t-2);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;padding-top:26px;
  border-top:1px dashed var(--line);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{
  font-size:28px;font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.hero-stats span{font-size:13.5px;color:var(--t-3);}

.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid rgba(18,33,29,.08);
  box-shadow:var(--sh-2);
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border-radius:var(--r-md);padding:14px 18px;
  box-shadow:var(--sh-2);border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.hero-float b{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-size:15px;font-weight:800;
}
.hero-float div{display:flex;flex-direction:column;line-height:1.3;}
.hero-float strong{font-size:14.5px;font-weight:700;}
.hero-float small{font-size:12.5px;color:var(--t-3);}

@media (max-width:1023px){
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-visual{order:2;}
  .hero-sub{max-width:none;}
}
@media (max-width:767px){
  .hero-stats{gap:22px;margin-top:34px;}
  .hero-stats strong{font-size:23px;}
  .hero-float{left:12px;bottom:12px;}
}

/* ============ 卖点三连 ============ */
.feature-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;align-items:start;
}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;gap:16px;height:100%;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-card.is-offset{margin-top:24px;}
.feature-icon{
  width:52px;height:52px;border-radius:16px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:none;
  box-shadow:0 10px 22px -12px rgba(30,111,92,.9);
}
.feature-icon svg{width:24px;height:24px;}
.feature-card h3{font-size:20px;font-weight:600;line-height:1.45;}
.feature-card p{font-size:15px;color:var(--t-2);line-height:1.8;}
.feature-link{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;
}
.feature-link:hover{gap:10px;}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-page);color:var(--t-2);border:1px solid var(--line);
}
@media (max-width:1023px){
  .feature-grid{grid-template-columns:1fr 1fr;}
  .feature-card.is-offset{margin-top:0;}
}
@media (max-width:767px){.feature-grid{grid-template-columns:1fr;}}

/* ============ 分类速览 ============ */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cat-card{
  position:relative;display:block;overflow:hidden;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cat-media{position:relative;overflow:hidden;}
.cat-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-media img{transform:scale(1.03);}
.cat-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,33,29,0) 42%,rgba(18,33,29,.62) 100%);
}
.cat-media .badge{position:absolute;top:16px;left:16px;z-index:2;}
.cat-body{padding:24px 26px 26px;}
.cat-body h3{font-size:21px;font-weight:700;}
.cat-body p{margin-top:10px;font-size:15px;color:var(--t-2);line-height:1.8;}
.cat-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--t-3);
}
.cat-foot b{color:var(--c-primary);font-size:14px;font-weight:700;}
@media (max-width:767px){.cat-grid{grid-template-columns:1fr;}}

/* ============ 横向专题滚动 ============ */
.rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 22px;scroll-snap-type:x mandatory;}
.rail::-webkit-scrollbar{height:8px;}
.rail::-webkit-scrollbar-thumb{background:rgba(30,111,92,.22);border-radius:99px;}
.rail::-webkit-scrollbar-track{background:rgba(18,33,29,.05);border-radius:99px;}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:#fff;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;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rail-card img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.rail-card div{padding:18px 20px 22px;}
.rail-card h3{font-size:16.5px;font-weight:600;line-height:1.5;}
.rail-card p{margin-top:8px;font-size:14px;color:var(--t-2);line-height:1.75;}
@media (max-width:767px){.rail-card{flex:0 0 82%;}}

/* ============ 场景演示 ============ */
.demo-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;}
.demo-steps{display:flex;flex-direction:column;gap:10px;}
.demo-step{
  display:flex;gap:16px;text-align:left;width:100%;
  padding:16px 18px;border-radius:var(--r-md);
  border-left:4px solid transparent;background:transparent;
  transition:background .22s ease,border-color .22s ease;
}
.demo-step:hover{background:rgba(255,255,255,.7);}
.demo-step.is-active{background:#fff;border-left-color:var(--c-primary);box-shadow:var(--sh-1);}
.step-no{
  flex:none;font-size:14px;font-weight:800;color:var(--t-3);
  font-variant-numeric:tabular-nums;width:26px;line-height:1.6;
}
.demo-step.is-active .step-no{color:var(--c-primary);}
.step-body{display:flex;flex-direction:column;gap:4px;}
.step-body strong{font-size:17px;font-weight:600;line-height:1.45;}
.step-body em{font-style:normal;font-size:14px;color:var(--t-2);line-height:1.7;}

.demo-preview{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);aspect-ratio:16/10;background:#fff;
}
.demo-preview img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .35s ease;
}
.demo-preview img.is-active{opacity:1;}
.demo-dots{display:flex;gap:8px;justify-content:center;margin-top:20px;}
.demo-dots button{width:8px;height:8px;border-radius:99px;background:rgba(18,33,29,.18);transition:all .22s ease;}
.demo-dots button.is-active{width:26px;background:var(--c-primary);}
@media (max-width:1023px){
  .demo-grid{grid-template-columns:1fr;gap:30px;}
}

/* ============ 最新信息（CMS） ============ */
.latest-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;margin-bottom:32px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--t-2);
  font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
a.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
a.chip.is-active:hover{color:#fff;}

.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1199px){.post-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:767px){.post-grid{grid-template-columns:1fr;}}

.post-card{
  display:flex;flex-direction:column;background:#fff;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;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-thumb{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(118deg,#EAF4F0 0%,#D8ECE4 48%,#FBF3E6 100%);
}
.post-thumb::after{
  content:"";position:absolute;right:-30px;bottom:-40px;width:130px;height:130px;
  border-radius:50%;background:rgba(30,111,92,.10);
}
.post-thumb .badge{position:absolute;top:14px;left:14px;z-index:2;}
.post-thumb .thumb-mark{
  position:absolute;left:20px;bottom:16px;font-size:13px;font-weight:800;
  letter-spacing:.1em;color:rgba(30,111,92,.5);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:17px;font-weight:600;line-height:1.5;}
.post-title a:hover{color:var(--c-primary);}
.post-sum{
  font-size:14px;color:var(--t-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t-3);
}
.post-more{font-weight:700;color:var(--c-primary);}
.post-more:hover{text-decoration:underline;}

.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;
  background:var(--c-primary-l);display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
}
.empty-state p{font-size:15px;color:var(--t-2);}
.empty-state small{display:block;margin-top:8px;font-size:13px;color:var(--t-3);}

/* ============ 社会认同 ============ */
.proof-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);margin-bottom:36px;
}
.proof-bar li{text-align:center;}
.proof-bar strong{
  display:block;font-size:30px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.proof-bar span{font-size:13.5px;color:var(--t-3);}
@media (max-width:767px){
  .proof-bar{grid-template-columns:1fr 1fr;gap:22px;padding:24px;}
  .proof-bar strong{font-size:24px;}
}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px 24px 28px;box-shadow:var(--sh-1);
}
.quote-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;
  border-radius:0 4px 4px 0;background:var(--grad-brand);
}
.quote-card p{font-size:15px;color:var(--t-2);line-height:1.85;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:20px;}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.quote-user div{display:flex;flex-direction:column;line-height:1.35;}
.quote-user strong{font-size:14.5px;font-weight:700;}
.quote-user small{font-size:12.5px;color:var(--t-3);}
@media (max-width:1023px){.quote-grid{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item.is-open{border-color:rgba(30,111,92,.35);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{width:22px;height:22px;position:relative;flex:none;border-radius:50%;background:var(--c-primary-l);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px;}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--t-2);
  padding-bottom:20px;border-top:1px dashed var(--line);padding-top:16px;
}

/* ============ 底部 CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-brand);color:#fff;
  padding:56px 48px;display:grid;grid-template-columns:1.3fr auto;
  align-items:center;gap:36px;box-shadow:var(--sh-2);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.cta-card h2{font-size:clamp(22px,2.7vw,30px);font-weight:700;line-height:1.35;position:relative;z-index:1;}
.cta-card p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.88);max-width:600px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
@media (max-width:1023px){
  .cta-card{grid-template-columns:1fr;padding:40px 28px;gap:26px;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--t-1);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:#7BD3B6;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.82);font-size:13px;
  transition:background .2s ease,color .2s ease;
}
.to-top:hover{background:rgba(255,255,255,.12);color:#fff;}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:767px){
  .site-footer{padding-top:44px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:14px;justify-content:space-between;
  transform:translateY(110%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  box-shadow:0 -8px 26px -20px rgba(18,33,29,.5);
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-bar p{font-size:14px;font-weight:600;color:var(--t-1);line-height:1.4;}
.sticky-bar p small{display:block;font-size:12.5px;color:var(--t-3);font-weight:400;}
.sticky-bar .sticky-actions{display:flex;align-items:center;gap:10px;flex:none;}
.sticky-close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  color:var(--t-3);font-size:17px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.sticky-close:hover{color:var(--t-1);border-color:var(--t-3);}
@media (min-width:1024px){
  .sticky-bar{left:auto;right:28px;bottom:28px;border-radius:var(--r-md);border:1px solid var(--line);max-width:520px;padding:12px 16px;}
  .sticky-bar.is-visible{transform:translateY(0);}
}
/* 底部条占位，避免遮挡页脚 */
.sticky-spacer{height:0;}
@media (max-width:1023px){.sticky-spacer{height:74px;}}

/* 滚动出现动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#1E6F5C;
  --c-primary-d:#155246;
  --c-primary-l:#EAF4F0;
  --c-accent:#F2A03D;
  --c-warn:#E0533D;
  --bg-page:#F7F5F1;
  --bg-elev:#FFFFFF;
  --bg-soft:#EAF4F0;
  --bg-soft2:#FBF3E6;
  --t-1:#12211D;
  --t-2:#4A5A55;
  --t-3:#7C8B86;
  --line:#E3E1DA;
  --grad-brand:linear-gradient(118deg,#1E6F5C 0%,#2E9C86 52%,#7BD3B6 100%);
  --r-lg:22px;
  --r-md:14px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(18,33,29,.06);
  --sh-2:0 18px 40px -18px rgba(18,33,29,.28);
  --container:1200px;
  --ff:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  :root{--container:1280px;}
}

/* ============ 通用排版 ============ */
.h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.5px;}
.h2{font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.3px;}
.h3{font-size:20px;font-weight:600;line-height:1.45;}
.lead{font-size:17px;line-height:1.9;color:var(--t-2);}
.muted{color:var(--t-3);font-size:14px;line-height:1.7;}
.grad-text{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#24806a;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--c-primary-d);}
.btn-light:hover{background:#fff;color:var(--c-primary);transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(0,0,0,.4);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / chip ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:13px;
  line-height:1.4;
  font-weight:600;
}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary-d);}
.badge-accent{background:rgba(242,160,61,.16);color:#A0641A;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--t-2);
  font-size:14px;
  transition:all .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--t-1);
}
.brand:hover{color:var(--t-1);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:13px;
  background:var(--grad-brand);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.3px;
  white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;
  max-width:520px;
  margin:0 auto;
}
.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 6px 0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(30,111,92,.14);
}
.search-form svg{flex:0 0 auto;color:var(--t-3);}
.search-form input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  outline:none;
  background:transparent;
  color:var(--t-1);
  font-size:15px;
}
.search-form input::placeholder{color:var(--t-3);}
.search-btn{
  flex:0 0 auto;
  height:34px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.search-btn:hover{background:var(--c-primary-d);transform:translateY(-1px);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:0 0 auto;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--t-2);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--c-primary-d);background:var(--c-primary-l);}
.nav-link.is-active{color:var(--c-primary-d);font-weight:700;background:var(--c-primary-l);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}
.menu-toggle,.search-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--t-1);
}
.menu-toggle:hover,.search-toggle:hover{background:var(--c-primary-l);color:var(--c-primary-d);}

/* 移动端搜索条 */
.mobile-search{
  display:none;
  padding:0 24px 14px;
}
.mobile-search.is-open{display:block;}

/* 抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(18,33,29,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:90;
  width:min(84vw,340px);
  height:100%;
  background:#fff;
  box-shadow:-20px 0 50px -20px rgba(18,33,29,.4);
  transform:translateX(105%);
  transition:transform .3s ease-out;
  display:flex;
  flex-direction:column;
  padding:22px 22px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.drawer-close{
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--t-1);
}
.drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:block;
  padding:14px 16px;
  border-radius:var(--r-md);
  color:var(--t-1);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--bg-soft);}
.drawer-nav a.is-active{background:var(--c-primary-l);color:var(--c-primary-d);border-color:#cfe6dd;}
.drawer-note{margin-top:auto;padding-top:24px;color:var(--t-3);font-size:13px;line-height:1.7;}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(118deg,rgba(234,244,240,.95) 0%,rgba(251,243,230,.9) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--t-2);
  margin-bottom:20px;
}
.crumbs a{color:var(--t-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--t-3);}
.crumbs .current{color:var(--t-1);font-weight:600;}
.page-hero .h1{max-width:16em;margin-bottom:18px;}
.page-hero .lead{max-width:760px;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-soft{background:var(--bg-soft);}
.section-soft2{background:var(--bg-soft2);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:40px;
}
.section-head .h2{max-width:20em;}
.section-head p{max-width:640px;color:var(--t-2);font-size:15px;margin-top:10px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-primary);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}

/* ============ 双栏图文 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split-list{margin-top:26px;display:flex;flex-direction:column;gap:18px;}
.split-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding-bottom:18px;
  border-bottom:1px dashed var(--line);
}
.split-list li:last-child{border-bottom:0;padding-bottom:0;}
.split-list .idx{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--c-primary-l);
  color:var(--c-primary-d);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}
.split-list strong{display:block;font-size:16px;font-weight:600;color:var(--t-1);}
.split-list span{font-size:14.5px;color:var(--t-2);line-height:1.75;}
.split-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;}

.figure-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:#fff;
}
.figure-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform .45s ease-out;
}
.figure-card:hover img{transform:scale(1.03);}
.float-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:12px 18px;
  box-shadow:var(--sh-1);
}
.float-badge .num{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--c-accent);
  line-height:1.2;
}
.float-badge .txt{font-size:13px;color:var(--t-2);}

/* ============ 三格特性（不等高） ============ */
.feature-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:24px;
  align-items:start;
}
.feature-card{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px 26px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
  height:100%;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-card:nth-child(2){margin-top:26px;}
.feature-card:nth-child(3){margin-top:52px;}
.icon-block{
  width:52px;
  height:52px;
  border-radius:16px;
  background:var(--grad-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  margin-bottom:18px;
  box-shadow:var(--sh-1);
}
.feature-card .h3{margin-bottom:10px;}
.feature-card p{color:var(--t-2);font-size:15px;line-height:1.8;}
.feature-card .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:20px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
}
.feature-card .more:hover{gap:10px;}

/* ============ 信息清单 ============ */
.list-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.list-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  background:var(--bg-soft);
}
.list-head strong{font-size:17px;font-weight:700;}
.list-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:20px;
  align-items:center;
  padding:22px 26px;
  border-bottom:1px dashed var(--line);
  transition:background-color .2s ease;
}
.list-row:last-child{border-bottom:0;}
.list-row:hover{background:#FBFAF7;}
.list-row .title{
  font-size:17px;
  font-weight:600;
  color:var(--t-1);
  display:block;
  margin-bottom:6px;
}
.list-row .title:hover{color:var(--c-primary);}
.list-row .desc{
  font-size:14.5px;
  color:var(--t-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.list-row .meta{
  font-size:13px;
  color:var(--t-3);
  white-space:nowrap;
  text-align:right;
}
.list-row .meta strong{display:block;color:var(--c-primary-d);font-size:14px;font-weight:600;}
@media (max-width:767px){
  .list-row{grid-template-columns:1fr;gap:10px;}
  .list-row .meta{text-align:left;white-space:normal;}
}

/* ============ 时间线 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  top:26px;
  left:26px;
  right:26px;
  height:2px;
  background:linear-gradient(90deg,#1E6F5C,#2E9C86,#7BD3B6);
  opacity:.3;
}
.tl-item{position:relative;padding-top:0;}
.tl-dot{
  width:52px;
  height:52px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  color:var(--c-primary-d);
  margin-bottom:18px;
  position:relative;
  z-index:1;
}
.tl-item strong{display:block;font-size:16.5px;font-weight:600;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--t-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.is-open{border-color:#cfe6dd;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--t-1);
  background:none;
}
.faq-q:hover{color:var(--c-primary-d);}
.faq-icon{
  flex:0 0 auto;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--c-primary-l);
  color:var(--c-primary-d);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:600;
  transition:transform .24s ease-out,background-color .24s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease-out;
}
.faq-a p{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--t-2);
}

/* ============ 相关分类卡 ============ */
.related-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:22px;
  padding:30px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.related-card.is-dark{
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
}
.related-card.is-dark .h3{color:#fff;}
.related-card.is-dark p{color:rgba(255,255,255,.88);}
.related-card .h3{margin-bottom:10px;}
.related-card p{color:var(--t-2);font-size:15px;line-height:1.8;}
.related-card .go{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  color:var(--c-primary);
}
.related-card.is-dark .go{color:#fff;}
.related-card:hover .go{gap:12px;}

/* ============ CTA 大卡 ============ */
.cta-card{
  background:var(--grad-brand);
  border-radius:var(--r-lg);
  padding:56px 48px;
  color:#fff;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:36px;
  align-items:center;
  box-shadow:var(--sh-2);
}
.cta-card .h2{color:#fff;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.9);font-size:16px;line-height:1.8;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--t-1);
  color:#C8D2CE;
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer-brand .brand-mark{
  background:var(--grad-brand);
  box-shadow:none;
}
.footer-brand strong{color:#fff;font-size:19px;font-weight:800;letter-spacing:-.3px;}
.footer-about{font-size:14.5px;line-height:1.8;color:#9FAEAA;max-width:34em;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#9FAEAA;font-size:14.5px;}
.footer-col a:hover{color:#7BD3B6;}
.footer-col p{font-size:14.5px;color:#9FAEAA;line-height:1.8;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:24px;
  font-size:14px;
  color:#8B9A96;
}
.to-top{color:#7BD3B6;font-weight:600;}
.to-top:hover{color:#fff;}

/* ============ 返回顶部悬浮 ============ */
.totop-fab{
  position:fixed;
  right:22px;
  bottom:26px;
  width:48px;
  height:48px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  color:var(--c-primary-d);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:70;
}
.totop-fab.is-show{display:inline-flex;}
.totop-fab:hover{background:var(--c-primary-l);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .feature-grid{grid-template-columns:1fr 1fr 1fr;gap:20px;}
  .feature-card:nth-child(2){margin-top:18px;}
  .feature-card:nth-child(3){margin-top:36px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px;}
  .timeline::before{display:none;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-search{max-width:340px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .split-media{order:-1;}
  .feature-grid{grid-template-columns:1fr;gap:18px;}
  .feature-card:nth-child(2),.feature-card:nth-child(3){margin-top:0;}
  .cta-card{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-search{display:none;}
  .nav-links{display:none;}
  .menu-toggle,.search-toggle{display:inline-flex;}
  .header-inner{gap:10px;}
  .brand{margin-right:auto;}
  .mobile-search{display:none;}
  .mobile-search.is-open{display:block;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 52px;}
  .page-hero .h1{font-size:28px;}
  .list-head,.list-row{padding-left:18px;padding-right:18px;}
  .timeline{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-card{padding:36px 22px;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:519px){
  .brand-text{font-size:17px;}
  .brand-mark{width:36px;height:36px;border-radius:12px;}
  .feature-card{padding:22px 20px;}
  .related-card{padding:24px 20px;}
  .totop-fab{right:14px;bottom:18px;}
}

/* roulang page: article */
:root{
  --c-primary:#1E6F5C;
  --c-primary-d:#155246;
  --c-primary-l:#EAF4F0;
  --grad-brand:linear-gradient(118deg,#1E6F5C 0%,#2E9C86 52%,#7BD3B6 100%);
  --c-accent:#F2A03D;
  --c-accent-l:rgba(242,160,61,.14);
  --c-warn:#E0533D;
  --bg-page:#F7F5F1;
  --bg-elev:#FFFFFF;
  --bg-soft:#EAF4F0;
  --bg-soft-2:#FBF3E6;
  --t-1:#12211D;
  --t-2:#4A5A55;
  --t-3:#7C8B86;
  --line:#E3E1DA;
  --r-lg:22px;
  --r-md:14px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 2px 6px rgba(18,33,29,.06);
  --sh-2:0 18px 40px -18px rgba(18,33,29,.28);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg-page);
  color:var(--t-1);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{padding-left:1.2em}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-cream{background:var(--bg-soft-2)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.3;margin:0 0 12px;font-weight:700;letter-spacing:-.3px}
.section-head p{margin:0;color:var(--t-2);font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.4px;color:var(--c-primary);background:var(--c-primary-l);border-radius:999px;padding:6px 14px;margin-bottom:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;padding-top:10px;padding-bottom:10px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.3px;white-space:nowrap}
.nav-search{
  flex:1 1 auto;max-width:520px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 5px 5px 16px;transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(30,111,92,.14)}
.nav-search .search-icon{width:18px;height:18px;color:var(--t-3);flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  font-size:14.5px;line-height:1.4;padding:8px 0;color:var(--t-1);
}
.nav-search input::placeholder{color:var(--t-3)}
.search-btn{
  flex:0 0 auto;border:0;border-radius:999px;background:var(--c-primary);color:#fff;
  padding:9px 18px;font-size:14px;font-weight:600;transition:background .2s,transform .2s;
}
.search-btn:hover{background:var(--c-primary-d);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex:0 0 auto}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--t-2);white-space:nowrap;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:999px;background:var(--grad-brand);
}
.icon-btn{
  display:none;width:44px;height:44px;place-items:center;border:1px solid var(--line);
  border-radius:12px;background:#fff;color:var(--t-1);transition:.2s;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.icon-btn svg{width:20px;height:20px}
body.search-open .nav-search{display:flex}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,29,.45);opacity:0;pointer-events:none;
  transition:opacity .25s ease-out;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:100;
  transform:translateX(102%);transition:transform .28s ease-out;display:flex;flex-direction:column;
  box-shadow:var(--sh-2);padding:20px;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-weight:800;font-size:16px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{
  padding:13px 14px;border-radius:14px;background:var(--bg-page);font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.2s;
}
.drawer-nav a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-nav a.is-active{background:var(--c-primary-l);color:var(--c-primary-d)}
.drawer-tip{margin-top:auto;font-size:13px;color:var(--t-3);line-height:1.7}

/* ---------- breadcrumb & article hero ---------- */
.article-hero{
  position:relative;
  background-image:linear-gradient(180deg,rgba(30,111,92,.14),rgba(123,211,182,.06)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding:28px 0 44px;
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--t-2)}
.breadcrumb a{color:var(--t-2);transition:color .2s}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--t-3)}
.breadcrumb .current{
  display:inline-block;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--t-1);font-weight:600;vertical-align:bottom;
}
.article-head{padding-top:22px;max-width:900px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;line-height:1.4;
}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary-d)}
.badge-accent{background:var(--c-accent-l);color:#A8641A}
.article-head h1{
  font-size:clamp(27px,4vw,42px);line-height:1.24;font-weight:800;letter-spacing:-.5px;
  margin:16px 0 18px;max-width:960px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;
  font-size:14px;color:var(--t-2);padding-top:4px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:.7}
.head-actions{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;padding:0 22px;height:46px;
  border:1px solid transparent;transition:transform .2s ease-out,box-shadow .2s,background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn:active{transform:translateY(0) scale(.99)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;border-color:rgba(30,111,92,.45);color:var(--c-primary-d)}
.btn-outline:hover{background:var(--c-primary-l);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--c-primary-d)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* ---------- article layout ---------- */
.article-wrap{padding:56px 0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.article-paper{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:clamp(20px,3.2vw,44px);min-width:0;
}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.95;color:var(--t-2);overflow-wrap:break-word;word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.4;font-weight:700;
  color:var(--t-1);margin:40px 0 16px;padding-left:14px;letter-spacing:-.3px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:999px;background:var(--grad-brand);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--t-1);margin:28px 0 12px;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;color:var(--t-1);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body li{margin:0 0 8px}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg-soft);border-left:4px solid var(--c-primary);
  border-radius:0 14px 14px 0;color:var(--t-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t-3);margin-top:10px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(30,111,92,.35);transition:.2s}
.article-body a:hover{color:var(--c-primary-d);border-bottom-color:var(--c-primary-d)}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--r-md);
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);font-size:15px;white-space:nowrap;text-align:left}
.article-body th{background:var(--bg-soft);color:var(--t-1);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:#F0EEEA;border-radius:6px;padding:2px 6px;font-size:15px}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0}
.article-tags{max-width:760px;margin:34px auto 0;padding-top:24px;border-top:1px dashed var(--line);display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.article-tags .tag-label{font-size:13.5px;color:var(--t-3);font-weight:600;margin-right:2px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:13.5px;font-weight:600;
  transition:background .2s,color .2s,transform .2s;
}
.tag:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.empty-state{
  max-width:640px;margin:24px auto;text-align:center;padding:48px 24px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--bg-page);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;background:var(--c-primary-l);color:var(--c-primary);
  display:grid;place-items:center;margin:0 auto 16px;font-size:22px;font-weight:800;
}
.empty-state h2{font-size:20px;margin:0 0 10px;font-weight:700;color:var(--t-1)}
.empty-state p{margin:0 0 20px;color:var(--t-2);font-size:15px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-1);padding:20px;
}
.side-card h3{font-size:16px;font-weight:700;margin:0 0 14px;color:var(--t-1);letter-spacing:-.2px}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;max-height:380px;overflow:auto}
.toc-list li{margin:0 0 4px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:9px;border-left:2px solid transparent;
  color:var(--t-2);line-height:1.5;transition:.2s;
}
.toc-list a:hover{background:var(--c-primary-l);color:var(--c-primary)}
.toc-list a.is-current{border-left-color:var(--c-primary);background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600}
.side-links{display:grid;gap:12px}
.side-link{
  display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:14px;transition:.2s;
}
.side-link:hover{background:var(--bg-soft);transform:translateX(2px)}
.side-link img{width:74px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.side-link strong{display:block;font-size:14px;font-weight:600;color:var(--t-1);line-height:1.5;margin-bottom:4px}
.side-link span{font-size:12.5px;color:var(--t-3)}
.side-note{font-size:13px;color:var(--t-3);line-height:1.7;margin:0}

/* ---------- related ---------- */
.card-grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:linear-gradient(135deg,#EAF4F0,#F7F5F1)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--c-primary-d);
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;box-shadow:var(--sh-1);
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:17.5px;line-height:1.5;font-weight:700;margin:0 0 10px;color:var(--t-1)}
.card-body p{margin:0 0 16px;font-size:14.5px;color:var(--t-2);line-height:1.8}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--t-3);border-top:1px dashed var(--line);padding-top:14px}
.link-more{color:var(--c-primary);font-weight:600;font-size:13.5px;display:inline-flex;align-items:center;gap:5px;transition:gap .2s}
.card:hover .link-more{gap:9px}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:transparent;border:0;padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--t-1);line-height:1.6;
}
.faq-q:hover{color:var(--c-primary)}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;transition:transform .24s ease-out,background .2s;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;color:var(--t-2);line-height:1.85}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- cta ---------- */
.cta-card{
  position:relative;border-radius:26px;overflow:hidden;background:var(--grad-brand);color:#fff;
  padding:clamp(28px,4vw,52px);display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card h2{font-size:clamp(22px,2.8vw,30px);line-height:1.35;margin:0 0 12px;font-weight:800;letter-spacing:-.3px}
.cta-card p{margin:0;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.92);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--t-1);color:#C7D2CD;padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px;font-size:17px}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{margin:0;font-size:14px;line-height:1.85;color:#9FB0A9;max-width:420px}
.footer-col h4{margin:0 0 14px;font-size:15px;color:#fff;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:14px}
.footer-col p{margin:0;font-size:14px;line-height:1.85;color:#9FB0A9}
.footer-col a{color:#C7D2CD;transition:color .2s}
.footer-col a:hover{color:#7BD3B6}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:#8FA39B;
}
.to-top{color:#C7D2CD;font-weight:600;transition:color .2s}
.to-top:hover{color:#7BD3B6}

/* ---------- toast ---------- */
.toast{
  position:fixed;top:88px;right:24px;z-index:120;background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--c-primary);border-radius:14px;box-shadow:var(--sh-2);
  padding:14px 18px;font-size:14px;color:var(--t-1);opacity:0;transform:translateY(-10px);
  pointer-events:none;transition:opacity .25s ease-out,transform .25s ease-out;
}
.toast.is-show{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .icon-btn{display:grid}
  .header-inner{gap:12px}
  .nav-search{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{min-height:64px;flex-wrap:wrap}
  .nav-search{display:none;order:5;width:100%;max-width:none;margin:0 0 12px}
  .brand-text{font-size:17px}
  .head-actions{margin-left:0;width:100%}
  .breadcrumb .current{max-width:34ch}
  .article-hero{padding:20px 0 32px}
  .article-wrap{padding:36px 0 12px}
  .section{padding:52px 0}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr)}
  .cta-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .toast{left:16px;right:16px;top:76px}
}
@media (max-width:479px){
  .article-meta{gap:8px 14px;font-size:13.5px}
  .btn{width:100%}
  .head-actions .btn{width:auto;flex:1 1 auto}
  .article-paper{border-radius:18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E6F5C;
  --c-primary-d:#155246;
  --c-primary-l:#EAF4F0;
  --c-accent:#F2A03D;
  --c-warn:#E0533D;
  --grad-brand:linear-gradient(118deg,#1E6F5C 0%,#2E9C86 52%,#7BD3B6 100%);
  --bg-page:#F7F5F1;
  --bg-elev:#FFFFFF;
  --bg-soft:#EAF4F0;
  --bg-soft-2:#FBF3E6;
  --t-1:#12211D;
  --t-2:#4A5A55;
  --t-3:#7C8B86;
  --line:#E3E1DA;
  --r-lg:22px;
  --r-md:14px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 2px 6px rgba(18,33,29,.06);
  --sh-2:0 18px 40px -18px rgba(18,33,29,.28);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .22s ease-out,color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#23826c;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-d);}
.btn-ghost:hover{background:var(--c-primary-l);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-invert{background:#fff;color:var(--c-primary-d);box-shadow:0 10px 24px -12px rgba(0,0,0,.4);}
.btn-invert:hover{transform:translateY(-2px);background:#F3FBF8;}
.btn-line-invert{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-line-invert:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-sm{height:34px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.4;
}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary-d);}
.badge-accent{background:rgba(242,160,61,.16);color:#A9620F;}
.badge-plain{background:#fff;border:1px solid var(--line);color:var(--t-2);}
.chip{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--t-2);
  font-size:13px;font-weight:600;transition:all .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-d);background:var(--c-primary-l);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.5px;
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.3px;white-space:nowrap;}
.search-box{
  flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 6px 5px 16px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(30,111,92,.12);}
.search-box .s-icon{flex:0 0 auto;color:var(--t-3);display:flex;}
.search-box input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:38px;
  outline:none;font-size:14px;
}
.search-box input::placeholder{color:var(--t-3);}
.search-btn{
  flex:0 0 auto;border:0;height:38px;padding:0 20px;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease-out;
}
.search-btn:hover{background:var(--c-primary-d);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--t-2);
  transition:background-color .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.nav-link:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.nav-link.is-active{background:var(--c-primary-l);color:var(--c-primary-d);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:24px;height:3px;border-radius:999px;background:var(--grad-brand);
}
.icon-btn{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);cursor:pointer;color:var(--t-1);
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.icon-btn:hover{background:var(--c-primary-l);border-color:var(--c-primary);}
.mobile-search{display:none;padding:0 0 14px;}
.mobile-search .search-box{max-width:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,29,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s ease-out;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;z-index:80;padding:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease-out;
  box-shadow:-20px 0 40px -20px rgba(18,33,29,.4);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-nav{display:grid;gap:8px;}
.drawer-nav a{
  display:block;padding:13px 16px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:var(--t-2);background:var(--bg-page);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--c-primary-l);color:var(--c-primary-d);}
.drawer-tip{margin-top:22px;font-size:13px;color:var(--t-3);line-height:1.75;}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(118deg,rgba(30,111,92,.12),rgba(123,211,182,.18)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(247,245,241,.94));
}
.cat-hero-inner{position:relative;padding:44px 0 60px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3);}
.crumb a:hover{color:var(--c-primary-d);}
.crumb .sep{color:#C4CAC7;}
.crumb .now{color:var(--t-2);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:40px;align-items:center;margin-top:22px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.8);border:1px solid rgba(30,111,92,.22);
  color:var(--c-primary-d);font-size:13px;font-weight:700;
}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:800;
  letter-spacing:-.5px;margin:18px 0 16px;
}
.hero-lead{font-size:17px;color:var(--t-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.stat{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 18px;min-width:132px;box-shadow:var(--sh-1);
}
.stat b{display:block;font-size:22px;font-weight:800;color:#B96F12;letter-spacing:-.4px;}
.stat span{font-size:13px;color:var(--t-3);}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--bg-soft);
}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-float{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(255,255,255,.94);border-radius:var(--r-md);
  padding:12px 16px;font-size:13px;color:var(--t-2);
  display:flex;align-items:center;gap:10px;box-shadow:var(--sh-1);
}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.soft{background:var(--bg-soft);}
.section.soft-2{background:var(--bg-soft-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.5px;
  display:inline-block;margin-bottom:12px;
}
.section-title{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.3px;}
.section-desc{margin-top:14px;color:var(--t-2);font-size:16px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:40px;}
.head-row .chip-group{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 能力三卡（不等高） ---------- */
.cap-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;align-items:start;}
.cap-card{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cap-card.lift{margin-top:28px;}
.cap-icon{
  width:52px;height:52px;border-radius:16px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;margin-bottom:20px;
}
.cap-card h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:12px;}
.cap-card p{color:var(--t-2);font-size:15px;}
.cap-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.cap-link:hover{color:var(--c-primary-d);gap:10px;}
.cap-link{transition:gap .2s ease-out,color .2s ease-out;}

/* ---------- 步骤流 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:8px;}
.step{
  position:relative;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  width:52px;height:52px;border-radius:16px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;
  margin-bottom:18px;
}
.step::before{
  content:"";position:absolute;top:52px;left:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,var(--c-primary),#7BD3B6);opacity:.55;
}
.step:first-child::before{display:none;}
.step h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.step p{font-size:15px;color:var(--t-2);}
.step .step-tip{
  margin-top:14px;padding:10px 14px;border-radius:var(--r-md);
  background:var(--bg-soft);color:var(--c-primary-d);font-size:13px;line-height:1.7;
}

/* ---------- 问答网格 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.qa-card{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE4DC;}
.qa-q{display:flex;gap:12px;align-items:flex-start;font-size:17px;font-weight:600;line-height:1.55;}
.qa-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:var(--c-primary-l);
  color:var(--c-primary-d);display:grid;place-items:center;font-size:13px;font-weight:800;
  margin-top:3px;
}
.qa-a{margin-top:12px;padding-left:38px;color:var(--t-2);font-size:15px;}
.qa-a .meta-line{display:block;margin-top:10px;font-size:13px;color:var(--t-3);}

/* ---------- 对比信息卡 ---------- */
.compare-wrap{margin-top:8px;}
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start;}
.compare-card{
  border-radius:var(--r-lg);border:1px solid var(--line);padding:28px;
  box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.compare-card.self{background:var(--bg-elev);}
.compare-card.help{background:var(--bg-soft);border-color:#CFE4DC;}
.compare-card h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.compare-card .sub{font-size:14px;color:var(--t-3);margin-bottom:20px;}
.compare-list{display:grid;gap:12px;}
.compare-list li{display:flex;gap:10px;font-size:15px;color:var(--t-2);}
.tick{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;
  font-size:12px;font-weight:700;margin-top:5px;
}
.compare-note{
  margin-top:22px;padding:14px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.75);font-size:14px;color:var(--t-2);
  border:1px dashed #CFE4DC;
}
.compare-figure{
  margin-top:28px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--bg-elev);
}
.compare-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;}
.compare-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--t-3);text-align:center;background:#fff;
}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE4DC;}
.rel-card .kicker{font-size:13px;font-weight:700;color:var(--c-primary);}
.rel-card h3{font-size:18px;font-weight:600;margin:10px 0 10px;}
.rel-card p{font-size:14px;color:var(--t-2);}
.rel-card .go{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:600;color:var(--c-primary-d);
}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad-brand);color:#fff;padding:56px 48px;
  box-shadow:0 30px 60px -30px rgba(21,82,70,.6);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-text h2{font-size:clamp(23px,3vw,30px);font-weight:700;line-height:1.35;}
.cta-text p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.9);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--t-1);color:#C9D6D1;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:13px;}
.footer-about{font-size:14px;line-height:1.85;color:#A9BAB4;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#A9BAB4;transition:color .2s ease-out;}
.footer-col a:hover{color:#7BD3B6;}
.footer-col p{font-size:14px;color:#A9BAB4;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:14px;color:#93A6A0;
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#DDE8E4;font-weight:600;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.to-top:hover{background:rgba(123,211,182,.2);color:#fff;}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .cap-grid{grid-template-columns:1.2fr 1fr;}
  .cap-grid .cap-card:last-child{grid-column:1 / -1;max-width:560px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:20px;}
  .step:nth-child(3)::before{display:none;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .cta-section{padding:0 0 72px;}
  .nav-links{display:none;}
  .icon-btn{display:inline-flex;}
  .search-box{max-width:none;}
  .header-inner{gap:12px;}
  .brand-name{font-size:17px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .cta-card{padding:44px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .cta-section{padding:0 0 56px;}
  .search-box{display:none;}
  .mobile-search{display:block;}
  .mobile-search[hidden]{display:none;}
  .cat-hero-inner{padding:26px 0 42px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{gap:10px;}
  .stat{flex:1 1 44%;min-width:0;padding:10px 14px;}
  .stat b{font-size:19px;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-card.lift{margin-top:0;}
  .cap-grid .cap-card:last-child{max-width:none;}
  .steps{grid-template-columns:1fr;}
  .step::before{display:none;}
  .qa-grid{grid-template-columns:1fr;gap:16px;}
  .qa-card{padding:20px;}
  .qa-a{padding-left:0;}
  .compare-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-card{padding:34px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .hero-title{font-size:27px;}
  .brand-name{font-size:16px;}
  .search-btn{padding:0 14px;}
}