/* roulang page: index */
:root{
  --pitch-800:#10362B;
  --pitch-600:#1C5C46;
  --pitch-400:#3E8A6C;
  --ink-950:#0A1A15;
  --ink-700:#2A3A34;
  --ink-500:#5C6B64;
  --lime-400:#C3F53C;
  --clay-500:#E1613C;
  --sand-50:#F7F5EF;
  --sand-100:#EFEBE1;
  --line:#DFDBCF;
  --white:#ffffff;
  --light-text:#F2F5F1;
  --light-muted:rgba(242,245,241,.72);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(10,26,21,.06),0 8px 24px -12px rgba(10,26,21,.18);
  --shadow-lg:0 14px 34px -14px rgba(10,26,21,.28);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","DIN Alternate",Consolas,monospace;
}
@media (min-width:1440px){
  :root{--container:1280px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--pitch-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--pitch-800);}
h1,h2,h3,h4{margin:0 0 .55em;color:var(--ink-950);font-weight:700;line-height:1.3;letter-spacing:-.2px;}
h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.5px;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:22px;line-height:1.45;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime-400);color:var(--ink-950);}

/* ---------- Foundation 默认样式覆写 ---------- */
a{color:var(--pitch-600);}
a:hover,a:focus{color:var(--pitch-800);}
.button,.button.primary,.button.secondary{
  background:var(--pitch-800);
  color:#fff;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-weight:600;
  transition:all .18s ease;
}
.button:hover,.button:focus{background:var(--lime-400);color:var(--ink-950);}
input[type="text"],input[type="search"],input[type="email"],textarea,select{
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  box-shadow:none;
  height:48px;
  color:var(--ink-700);
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
input[type="text"]:focus,input[type="search"]:focus,input[type="email"]:focus,textarea:focus,select:focus{
  border-color:var(--pitch-600);
  box-shadow:0 0 0 3px rgba(195,245,60,.45);
  outline:none;
}
.grid-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right: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(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .18s ease;text-align:center;line-height:1;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--pitch-800);color:#fff;}
.btn--primary:hover{background:var(--lime-400);color:var(--ink-950);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn--ghost{background:transparent;border-color:var(--pitch-800);color:var(--pitch-800);}
.btn--ghost:hover{background:var(--sand-100);color:var(--pitch-800);transform:translateY(-2px);}
.btn--lime{background:var(--lime-400);color:var(--ink-950);}
.btn--lime:hover{background:#d6ff66;color:var(--ink-950);transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(195,245,60,.65);}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.34);color:var(--light-text);}
.btn--ghost-light:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-2px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--pitch-600);
  border-bottom:1px solid rgba(28,92,70,.35);
  padding-bottom:2px;
  transition:all .18s ease;
}
.text-link:hover{color:var(--clay-500);border-bottom:2px solid var(--clay-500);}
.text-link--light{color:var(--lime-400);border-bottom-color:rgba(195,245,60,.4);}
.text-link--light:hover{color:#fff;border-bottom-color:#fff;}

.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
  letter-spacing:.02em;
}
.badge--soft{background:var(--sand-100);color:var(--pitch-800);}
.badge--clay{background:rgba(225,97,60,.12);color:#B94A29;}
.badge--lime{background:rgba(195,245,60,.22);color:var(--ink-950);}

.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--pitch-600);
  margin-bottom:14px;
}
.eyebrow--light{color:var(--lime-400);}

.section{padding:96px 0;}
.section--tight{padding:56px 0;}
.section--sand{background:var(--sand-100);}
.section--dark{background:var(--ink-950);color:var(--light-muted);}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head p{font-size:16px;color:var(--ink-500);margin-bottom:0;}
.section-head--split{
  display:flex;justify-content:space-between;align-items:flex-end;gap:32px;
  max-width:none;
}
.section-head--split .section-head__text{max-width:680px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(10,26,21,.5);}
.nav-wrap{display:flex;align-items:center;gap:22px;height:84px;transition:height .2s ease;}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--pitch-800);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 8px 18px -10px rgba(16,54,43,.8);
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{
  font-size:17px;font-weight:700;color:var(--ink-950);
  letter-spacing:-.2px;white-space:nowrap;
}
.brand__suffix{color:var(--pitch-600);font-weight:700;}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;min-width:200px;max-width:520px;height:46px;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:0 6px 0 16px;
  transition:all .18s ease;
}
.nav-search:focus-within{
  border-color:var(--pitch-600);
  box-shadow:0 0 0 3px rgba(195,245,60,.45);
  transform:scale(1.01);
}
.nav-search__icon{display:flex;align-items:center;color:var(--ink-500);flex-shrink:0;margin-right:8px;}
.nav-search__icon svg{width:17px;height:17px;}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:100%;
  outline:none;font-size:14px;color:var(--ink-700);
}
.nav-search input::placeholder{color:var(--ink-500);}
.nav-search__btn{
  height:34px;padding:0 16px;border:0;border-radius:999px;
  background:var(--pitch-800);color:#fff;font-size:13px;font-weight:600;
  cursor:pointer;transition:all .18s ease;flex-shrink:0;
}
.nav-search__btn:hover{background:var(--lime-400);color:var(--ink-950);}
.nav-links{display:flex;align-items:center;gap:2px;flex-shrink:0;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 10px;font-size:14px;font-weight:500;color:var(--ink-700);
  border-radius:8px;white-space:nowrap;
}
.nav-links a:hover{color:var(--pitch-800);background:var(--sand-100);}
.nav-links a.is-active{color:var(--pitch-800);font-weight:700;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:3px;
  border-radius:2px;background:var(--lime-400);
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;flex-shrink:0;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;color:var(--ink-700);
  transition:all .18s ease;
}
.nav-toggle:hover{background:var(--sand-100);color:var(--pitch-800);}
.mobile-drawer{display:none;}

@media (max-width:1023px){
  .nav-links,.nav-search,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-drawer{
    display:block;position:fixed;inset:0;z-index:90;
    background:rgba(10,26,21,.52);
    opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;}
  .mobile-drawer__panel{
    position:absolute;top:0;right:0;
    width:min(330px,88vw);height:100%;
    background:var(--sand-50);padding:22px;
    transform:translateX(100%);
    transition:transform .26s ease;
    overflow-y:auto;
    box-shadow:-18px 0 40px -20px rgba(10,26,21,.5);
  }
  .mobile-drawer.is-open .mobile-drawer__panel{transform:translateX(0);}
  .mobile-drawer__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}
  .mobile-drawer__close{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
    background:#fff;cursor:pointer;color:var(--ink-700);font-size:18px;line-height:1;
  }
  .mobile-drawer__search{
    display:flex;align-items:center;height:46px;background:#fff;
    border:1px solid var(--line);border-radius:999px;padding:0 16px;margin-bottom:20px;
  }
  .mobile-drawer__search input{border:0;background:transparent;outline:none;flex:1;height:44px;font-size:14px;min-width:0;}
  .mobile-drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
  .mobile-drawer__nav a{
    display:block;padding:13px 14px;border-radius:10px;
    font-size:15px;font-weight:600;color:var(--ink-700);background:#fff;
    border:1px solid var(--line);
  }
  .mobile-drawer__nav a.is-active{background:var(--pitch-800);color:#fff;border-color:var(--pitch-800);}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:620px;display:flex;align-items:center;
  background-color:var(--ink-950);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:var(--light-text);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(10,26,21,.95) 0%,rgba(16,54,43,.88) 46%,rgba(16,54,43,.58) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(circle at 76% 26%,rgba(195,245,60,.16),transparent 44%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 68px);
}
.hero__inner{position:relative;z-index:2;width:100%;padding:88px 0 84px;}
.hero h1{color:#fff;font-size:40px;margin-bottom:18px;}
.hero__sub{font-size:18px;line-height:1.7;color:var(--light-muted);max-width:520px;margin-bottom:30px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:28px;}
.hero__trust-item{border-left:1px solid rgba(255,255,255,.16);padding-left:16px;}
.hero__trust-item:first-child{border-left:0;padding-left:0;}
.hero__trust-num{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:600;color:var(--lime-400);line-height:1.3;
}
.hero__trust-label{font-size:13px;color:var(--light-muted);}
.hero-visual{position:relative;padding:14px 0 34px;}
.hero-visual__main{
  border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.75);
  background:var(--pitch-800);
}
.hero-visual__main img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual__float{
  position:absolute;right:-6px;bottom:-6px;width:46%;
  border-radius:var(--radius-img);overflow:hidden;
  border:3px solid var(--ink-950);
  box-shadow:0 20px 40px -20px rgba(0,0,0,.8);
}
.hero-visual__float img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual__stat{
  position:absolute;left:-10px;top:26px;
  background:rgba(10,26,21,.86);
  border:1px solid rgba(195,245,60,.32);
  border-radius:12px;padding:12px 16px;
  backdrop-filter:blur(6px);
}
.hero-visual__stat-num{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--lime-400);line-height:1.2;
}
.hero-visual__stat-label{font-size:12px;color:var(--light-muted);}

@media (max-width:1023px){
  .hero__inner{padding:72px 0 68px;}
  .hero h1{font-size:34px;}
  .hero-visual{margin-top:44px;}
}
@media (max-width:639px){
  .hero{min-height:480px;}
  .hero__inner{padding:56px 0 56px;}
  .hero h1{font-size:30px;}
  .hero__sub{font-size:16px;}
  .hero__actions{gap:10px;}
  .hero__actions .btn{width:100%;}
  .hero__trust{gap:18px;}
  .hero-visual__float{width:52%;}
  .hero-visual__stat{left:0;top:6px;}
}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--sand-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-band__row{padding:0;}
.stat{
  padding:30px 26px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;}
.stat__num{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--pitch-800);line-height:1.2;margin-bottom:6px;
}
.stat__label{font-size:14px;color:var(--ink-500);}
@media (max-width:1023px){
  .stat{padding:22px 18px;}
  .stat:nth-child(odd){border-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
}
@media (max-width:639px){
  .stat{padding:18px 14px;}
  .stat__num{font-size:22px;}
}

/* ---------- 功能分组 ---------- */
.sticky-head{position:sticky;top:108px;}
.sticky-head h2{margin-bottom:14px;}
.sticky-head p{color:var(--ink-500);margin-bottom:20px;}
.feature-list{border-top:1px solid var(--line);}
.feature-row{
  display:flex;align-items:flex-start;gap:20px;
  padding:26px 18px;border-bottom:1px solid var(--line);
  transition:all .18s ease;border-radius:10px;
  background:transparent;
}
.feature-row:hover{background:var(--sand-100);transform:translateX(4px);}
.feature-row__icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:rgba(28,92,70,.10);color:var(--pitch-600);
  display:flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.feature-row:hover .feature-row__icon{background:var(--pitch-800);color:var(--lime-400);}
.feature-row__icon svg{width:22px;height:22px;}
.feature-row__body{flex:1;min-width:0;}
.feature-row__body h3{font-size:18px;margin-bottom:6px;}
.feature-row__body p{font-size:15px;color:var(--ink-500);margin-bottom:0;line-height:1.75;}
.feature-row__arrow{color:var(--ink-500);font-size:18px;flex-shrink:0;transition:all .18s ease;padding-top:14px;}
.feature-row:hover .feature-row__arrow{color:var(--pitch-600);transform:translateX(3px);}
@media (max-width:1023px){
  .sticky-head{position:static;margin-bottom:36px;}
}

/* ---------- 使用场景 Tabs ---------- */
.scene-tabs{border:0;background:transparent;margin-bottom:36px;display:flex;flex-wrap:wrap;gap:10px;}
.scene-tabs .tabs-title{margin:0;float:none;}
.scene-tabs .tabs-title>a{
  display:block;padding:11px 22px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  color:var(--pitch-800);font-size:15px;font-weight:600;
  border-bottom:3px solid transparent;
  transition:all .18s ease;
}
.scene-tabs .tabs-title>a:hover{background:var(--sand-100);color:var(--pitch-800);}
.scene-tabs .tabs-title.is-active>a{
  background:var(--pitch-800);color:#fff;border-color:var(--pitch-800);
  border-bottom-color:var(--lime-400);
}
.tabs-content{border:0;background:transparent;margin:0;}
.tabs-panel{padding:0;}
.scene-block{display:flex;align-items:center;gap:0;}
.scene-block__media{flex:0 0 50%;max-width:50%;}
.scene-block__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-sm);}
.scene-block__text{flex:1;padding-left:44px;}
.scene-block--reverse .scene-block__media{order:2;}
.scene-block--reverse .scene-block__text{order:1;padding-left:0;padding-right:44px;}
.scene-block__text h3{font-size:22px;margin-bottom:12px;}
.scene-block__text p{color:var(--ink-500);font-size:15.5px;}
.scene-list{margin-top:18px;}
.scene-list li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:15px;color:var(--ink-700);
}
.scene-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--lime-400);box-shadow:0 0 0 3px rgba(195,245,60,.25);
}
@media (max-width:767px){
  .scene-block{flex-direction:column;}
  .scene-block__media,.scene-block__text{flex:1 1 auto;max-width:100%;width:100%;}
  .scene-block__text{padding-left:0;padding-right:0;padding-top:26px;}
  .scene-block--reverse .scene-block__media{order:0;}
  .scene-block--reverse .scene-block__text{order:0;padding-right:0;}
}

/* ---------- 反馈案例 ---------- */
.case-grid{position:relative;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:all .18s ease;
  height:100%;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-3px);border-color:var(--pitch-600);box-shadow:var(--shadow-lg);}
.case-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--sand-100);}
.case-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-card__media img{transform:scale(1.04);}
.case-card__body{padding:26px 24px 24px;display:flex;flex-direction:column;flex:1;}
.case-card__body h3{font-size:20px;margin-bottom:10px;}
.case-card__body p{font-size:15px;color:var(--ink-500);margin-bottom:20px;}
.case-card__foot{margin-top:auto;display:flex;justify-content:space-between;align-items:flex-end;gap:16px;border-top:1px solid var(--line);padding-top:16px;}
.case-card__num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:32px;font-weight:700;color:var(--pitch-800);line-height:1;
}
.case-card__num small{display:block;font-family:var(--font-sans);font-size:12px;font-weight:500;color:var(--ink-500);margin-top:6px;}
.case-offset{margin-top:48px;}
@media (max-width:1023px){
  .case-offset{margin-top:0;}
}

/* ---------- 方案 ---------- */
.plan-switch{
  display:inline-flex;background:var(--sand-100);border:1px solid var(--line);
  border-radius:999px;padding:4px;margin-bottom:38px;
}
.plan-switch span{
  padding:9px 22px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink-500);cursor:default;
}
.plan-switch span.is-active{background:var(--pitch-800);color:#fff;}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:32px 26px;
  height:100%;display:flex;flex-direction:column;
  transition:all .18s ease;box-shadow:var(--shadow-sm);
}
.plan-card:hover{transform:translateY(-3px);border-color:var(--pitch-600);box-shadow:var(--shadow-lg);}
.plan-card--featured{background:var(--pitch-800);border-color:var(--pitch-800);color:rgba(242,245,241,.78);}
.plan-card--featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--lime-400);border-radius:14px 14px 0 0;
}
.plan-card--featured h3,.plan-card--featured .plan-card__price{color:#fff;}
.plan-card__tag{
  position:absolute;top:-13px;right:22px;
  background:var(--clay-500);color:#fff;font-size:12px;font-weight:600;
  padding:6px 13px;border-radius:999px;
}
.plan-card__name{font-size:18px;font-weight:700;margin-bottom:14px;color:var(--ink-950);}
.plan-card__price{
  display:flex;align-items:baseline;gap:6px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;color:var(--pitch-800);line-height:1.1;margin-bottom:6px;
}
.plan-card__price small{font-family:var(--font-sans);font-size:14px;font-weight:500;color:var(--ink-500);}
.plan-card--featured .plan-card__price small{color:rgba(242,245,241,.72);}
.plan-card__note{font-size:13px;color:var(--ink-500);margin-bottom:22px;}
.plan-card--featured .plan-card__note{color:rgba(242,245,241,.72);}
.plan-card__list{margin-bottom:26px;flex:1;}
.plan-card__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;padding:9px 0;border-bottom:1px dashed var(--line);
}
.plan-card--featured .plan-card__list li{border-bottom-color:rgba(255,255,255,.14);}
.plan-card__list li:last-child{border-bottom:0;}
.plan-card__list svg{width:17px;height:17px;flex-shrink:0;margin-top:5px;color:var(--pitch-600);}
.plan-card--featured .plan-card__list svg{color:var(--lime-400);}

/* ---------- 最新信息 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--sand-100);color:var(--pitch-800);border:1px solid transparent;
  transition:all .18s ease;
}
.chip:hover{background:var(--pitch-800);color:#fff;}
.chip.is-active{background:var(--pitch-800);color:#fff;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:all .18s ease;color:inherit;margin-bottom:24px;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--pitch-600);box-shadow:var(--shadow-lg);color:inherit;}
.post-card__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sand-100);}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-card__thumb img{transform:scale(1.04);}
.post-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-card__title{
  font-size:18px;font-weight:600;line-height:1.5;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.post-card:hover .post-card__title{color:var(--pitch-600);}
.post-card__excerpt{
  font-size:14px;line-height:1.7;color:var(--ink-500);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  margin-top:auto;display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:12px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;color:var(--ink-500);
}
.post-card__arrow{transition:transform .18s ease;color:var(--pitch-600);}
.post-card:hover .post-card__arrow{transform:translateX(4px);}
.empty-state{
  text-align:center;padding:60px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state__icon{
  width:80px;height:80px;margin:0 auto 20px;border-radius:22px;
  background:var(--sand-100);display:flex;align-items:center;justify-content:center;
  color:var(--pitch-600);
}
.empty-state__icon svg{width:36px;height:36px;}
.empty-state p{color:var(--ink-500);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent;max-width:880px;margin:0 auto;}
.accordion .accordion-item{
  border:1px solid var(--line);border-bottom:0;background:#fff;
}
.accordion .accordion-item:first-child{border-radius:14px 14px 0 0;}
.accordion .accordion-item:last-child{border-bottom:1px solid var(--line);border-radius:0 0 14px 14px;}
.accordion .accordion-title{
  padding:20px 56px 20px 24px;font-size:17px;font-weight:600;
  color:var(--ink-950);border:0;border-left:3px solid transparent;
  transition:all .18s ease;line-height:1.6;
}
.accordion .accordion-title:hover{background:var(--sand-50);color:var(--pitch-800);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--pitch-600);line-height:1;
}
.accordion .accordion-title::after{display:none !important;}
.accordion .is-active>.accordion-title{
  color:var(--pitch-600);border-left-color:var(--lime-400);background:var(--sand-50);
}
.accordion .is-active>.accordion-title::before{content:"–";}
.accordion .accordion-content{
  border:0;border-top:1px solid var(--line);
  padding:18px 24px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-700);
  background:#fff;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- 底部转化 ---------- */
.cta-section{
  position:relative;overflow:hidden;
  background:var(--ink-950);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:var(--light-muted);
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,26,21,.96),rgba(16,54,43,.88));
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner p{font-size:16px;margin-bottom:30px;}
.cta-form{display:flex;gap:12px;max-width:520px;margin:0 auto 26px;}
.cta-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;outline:none;
  transition:all .18s ease;
}
.cta-form input::placeholder{color:rgba(242,245,241,.6);}
.cta-form input:focus{border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(195,245,60,.28);background:rgba(255,255,255,.12);}
.cta-notes{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;font-size:13.5px;color:rgba(242,245,241,.62);}
.cta-notes span{display:inline-flex;align-items:center;gap:7px;}
.cta-notes svg{width:15px;height:15px;color:var(--lime-400);}
@media (max-width:639px){
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .cta-notes{gap:14px;flex-direction:column;align-items:center;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:var(--light-muted);padding:72px 0 0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__text{color:#fff;}
.footer-brand .brand__suffix{color:var(--lime-400);}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:700;
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(242,245,241,.66);margin-bottom:0;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(242,245,241,.72);transition:all .18s ease;}
.footer-links a:hover{color:var(--lime-400);transform:translateX(3px);}
.footer-grid{padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.10);}
.footer-bottom{
  padding:22px 0 30px;display:flex;flex-wrap:wrap;
  justify-content:space-between;align-items:center;gap:12px;
  font-size:13px;color:rgba(242,245,241,.56);
}
.footer-bottom a{color:rgba(242,245,241,.72);}
.footer-bottom a:hover{color:var(--lime-400);}
.footer-social{display:flex;gap:10px;}
.footer-social span{
  width:34px;height:34px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
  color:var(--light-muted);transition:all .18s ease;
}
.footer-social span:hover{border-color:var(--lime-400);color:var(--lime-400);}
.footer-social svg{width:16px;height:16px;}
@media (max-width:639px){
  .site-footer{padding-top:56px;}
  .footer-bottom{justify-content:center;text-align:center;}
}

/* ---------- 通用响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:44px 0;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .section-head{margin-bottom:36px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
  .section--tight{padding:36px 0;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .brand__text{font-size:15px;}
}

/* roulang page: article */
:root{
  --pitch-800:#10362B;
  --pitch-600:#1C5C46;
  --ink-950:#0A1A15;
  --lime-400:#C3F53C;
  --clay-500:#E1613C;
  --sand-50:#F7F5EF;
  --sand-100:#EFEBE1;
  --line:#DFDBCF;
  --ink-700:#2A3A34;
  --ink-500:#5C6B64;
  --paper:#FFFFFF;
  --on-dark:#F2F5F1;
  --on-dark-soft:rgba(242,245,241,.72);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,26,21,.06), 0 8px 24px -12px rgba(10,26,21,.18);
  --sh-2:0 14px 34px -14px rgba(10,26,21,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","DIN Alternate",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--pitch-600);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--clay-500)}
h1,h2,h3,h4{margin:0;color:var(--ink-950);font-family:var(--font-sans)}
h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.5px}
h2{font-size:30px;line-height:1.3;font-weight:700}
h3{font-size:22px;line-height:1.45;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px}
.on-dark :focus-visible{outline-color:#fff}
::selection{background:var(--lime-400);color:var(--ink-950)}

/* ---------- 容器 ---------- */
.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px}
}
@media (min-width:1440px){
  .grid-container{max-width:1280px}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,26,21,.94);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  height:84px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--on-dark);
}
.brand:hover{color:var(--on-dark)}
.brand__mark{
  width:40px;height:40px;
  border-radius:var(--r-img);
  background:linear-gradient(140deg,#123F31,#0A1A15);
  border:1px solid rgba(195,245,60,.35);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px}
.brand__text{
  font-size:16px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
  color:#fff;
}
.brand__suffix{color:var(--lime-400);margin-left:2px}

.nav-search{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  gap:10px;
  min-width:240px;
  max-width:560px;
  height:44px;
  padding:0 8px 0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.nav-search:focus-within{
  border-color:var(--pitch-600);
  box-shadow:0 0 0 3px rgba(195,245,60,.35);
  transform:scale(1.01);
}
.nav-search__icon{width:18px;height:18px;flex:0 0 auto;color:rgba(242,245,241,.7)}
.nav-search input[type="search"]{
  flex:1 1 auto;
  height:100%;
  margin:0;
  padding:0;
  border:0;
  background:transparent;
  color:#fff;
  font-size:14px;
  outline:none;
  box-shadow:none;
}
.nav-search input[type="search"]::placeholder{color:rgba(242,245,241,.55)}
.nav-search__btn{
  flex:0 0 auto;
  height:32px;
  padding:0 16px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--lime-400);
  color:var(--ink-950);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:filter .18s ease,transform .18s ease;
}
.nav-search__btn:hover{filter:brightness(1.07);transform:translateY(-1px)}

.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  flex:0 0 auto;
}
.nav-links a{
  display:inline-block;
  padding:8px 12px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--on-dark-soft);
  white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.is-active{
  color:var(--lime-400);
  background:rgba(195,245,60,.14);
}
.header-cta{flex:0 0 auto}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:var(--on-dark);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle svg{width:20px;height:20px}
.nav-backdrop{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(10,26,21,.55);
  z-index:55;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--pitch-800);color:#fff}
.btn-primary:hover{background:var(--lime-400);color:var(--ink-950);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;border-color:var(--pitch-800);color:var(--pitch-800)}
.btn-outline:hover{background:var(--sand-100);color:var(--pitch-800)}
.btn-lime{background:var(--lime-400);color:var(--ink-950)}
.btn-lime:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(195,245,60,.7)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark)}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--pitch-600);
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;
}
.link-more:hover{color:var(--clay-500);text-decoration-thickness:2px}

/* ---------- 徽章 / 标签 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  padding:6px 12px;
  font-size:12px;
  line-height:1;
  background:var(--sand-100);
  border:1px solid var(--line);
  color:var(--pitch-600);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--pitch-800);color:#fff;border-color:var(--pitch-800)}
.chip-clay{background:rgba(225,97,60,.12);border-color:rgba(225,97,60,.28);color:#B8441F}
.chip-clay:hover{background:var(--clay-500);color:#fff;border-color:var(--clay-500)}
.chip-lime{background:rgba(195,245,60,.2);border-color:rgba(195,245,60,.45);color:#31530A}
.badge-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:700;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-500);
  padding:24px 0 0;
}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--pitch-600)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink-500);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:var(--paper);
  padding-bottom:8px;
  border-bottom:1px solid var(--line);
}
.article-title{
  max-width:960px;
  margin:20px 0 0;
  font-size:38px;
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.5px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:18px;
  font-size:13.5px;
  color:var(--ink-500);
}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.article-meta .meta-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.article-cover{
  margin:28px 0 0;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--sand-100);
  box-shadow:var(--sh-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{
  padding:10px 16px;
  font-size:13px;
  color:var(--ink-500);
  background:var(--sand-50);
  border-top:1px solid var(--line);
}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 88px;background:var(--sand-50)}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:56px;
  align-items:start;
}
.article-col{max-width:760px;min-width:0}
.article-body{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-700);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:24px;
  line-height:1.4;
  margin:2em 0 .7em;
  padding-left:14px;
  border-left:4px solid var(--pitch-600);
}
.article-body h3{font-size:19px;margin:1.8em 0 .6em}
.article-body h4{font-size:17px;margin:1.5em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.25em;margin:0 0 1.1em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--pitch-600)}
.article-body a{color:var(--pitch-600);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--clay-500);text-decoration-thickness:2px}
.article-body strong{color:var(--ink-950)}
.article-body blockquote{
  margin:1.5em 0;
  padding:16px 20px;
  background:var(--sand-100);
  border-left:3px solid var(--pitch-600);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:15px;
  background:var(--paper);
  border-radius:var(--r-btn);
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:11px 14px;
  text-align:left;
}
.article-body th{background:var(--sand-100);color:var(--ink-950);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(239,235,225,.5)}
.article-body img{border-radius:var(--r-img);margin:1.4em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--ink-500);
  text-align:center;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{
  font-family:var(--font-num);
  font-size:14px;
  background:var(--sand-100);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
}

/* ---------- 侧栏目录 ---------- */
.article-aside{position:relative}
.toc{
  position:sticky;
  top:104px;
  padding:22px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.toc__title{
  font-size:14px;
  font-weight:700;
  color:var(--ink-950);
  padding-bottom:12px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;
  padding:7px 10px;
  border-radius:8px;
  font-size:13.5px;
  line-height:1.5;
  color:var(--ink-500);
  border-left:2px solid transparent;
}
.toc-list a:hover{
  color:var(--pitch-600);
  background:var(--sand-50);
  border-left-color:var(--lime-400);
}
.toc__foot{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--paper);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state__icon{
  width:80px;height:80px;
  margin:0 auto 18px;
  border-radius:20px;
  background:var(--sand-100);
  display:flex;align-items:center;justify-content:center;
  color:var(--pitch-600);
}
.empty-state__icon svg{width:36px;height:36px}
.empty-state p{color:var(--ink-500);margin-bottom:20px}

/* ---------- 文末标签 ---------- */
.article-foot{
  margin-top:48px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13px;color:var(--ink-500);margin-right:2px}
.back-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--sand{background:var(--sand-50)}
.section--white{background:var(--paper)}
.section--dark{background:var(--ink-950);color:var(--on-dark)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:16px;color:var(--ink-500);line-height:1.8}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:var(--on-dark-soft)}
.section-head--split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  max-width:none;
  flex-wrap:wrap;
}

/* ---------- 卡片 ---------- */
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--pitch-600);box-shadow:var(--sh-2)}
.card:hover .card__title{color:var(--pitch-600)}
.card__media{aspect-ratio:16/9;overflow:hidden;background:var(--sand-100)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card__badge{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.card__title{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink-950);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.card__desc{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-500);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__foot{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-500);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.card-grid{margin-top:-24px}
.card-grid > [class*="cell"]{padding-top:24px}

/* ---------- FAQ ---------- */
.accordion{
  border:0;
  background:transparent;
  margin:0 auto;
  padding:0;
  max-width:880px;
  list-style:none;
}
.accordion-item{
  background:var(--paper);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.accordion-item:hover{box-shadow:var(--sh-1)}
.accordion-item.is-active{
  border-color:var(--pitch-600);
  border-left-color:var(--lime-400);
}
.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-950);
  border:0;
  background:transparent;
  transition:color .18s ease;
}
.accordion-title:hover{color:var(--pitch-600);background:transparent}
.accordion-title::before{
  content:"+";
  position:static;
  order:2;
  font-size:22px;
  line-height:1;
  color:var(--pitch-600);
  transition:transform .2s ease,color .2s ease;
}
.accordion-item.is-active > .accordion-title{color:var(--pitch-600)}
.accordion-item.is-active > .accordion-title::before{content:"−";color:var(--clay-500)}
.accordion-content{
  padding:0 22px 20px;
  border:0;
  background:transparent;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}

/* ---------- 底部转化 ---------- */
.cta-block{
  background:var(--ink-950);
  color:var(--on-dark);
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-80px;
  width:520px;
  height:520px;
  border-radius:50%;
  border:1px solid rgba(195,245,60,.16);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;max-width:760px}
.cta-block h2{color:#fff;margin-bottom:14px}
.cta-block p{color:var(--on-dark-soft);font-size:16px;margin-bottom:28px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input[type="email"]{
  flex:1 1 280px;
  height:48px;
  margin:0;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  outline:none;
}
.cta-form input[type="email"]::placeholder{color:rgba(242,245,241,.5)}
.cta-form input[type="email"]:focus{border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(195,245,60,.28)}
.cta-note{
  margin-top:20px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13px;
  color:var(--on-dark-soft);
}
.cta-note span{display:inline-flex;align-items:center;gap:8px}
.cta-note svg{width:15px;height:15px;color:var(--lime-400)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-950);
  color:var(--on-dark);
  padding:72px 0 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__text{font-size:16px}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.2px;
}
.footer-col p{font-size:14px;line-height:1.75;color:var(--on-dark-soft)}
.footer-links{display:flex;flex-direction:column;gap:4px}
.footer-links a{
  font-size:14px;
  color:var(--on-dark-soft);
  padding:4px 0;
}
.footer-links a:hover{color:var(--lime-400)}
.footer-bottom{
  margin-top:16px;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color:rgba(242,245,241,.6);
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  color:var(--on-dark-soft);
}
.footer-social a:hover{color:var(--lime-400);border-color:rgba(195,245,60,.5)}
.footer-social svg{width:17px;height:17px}

/* ---------- 响应式 ---------- */
@media (max-width:1140px){
  .nav-links a{padding:8px 9px;font-size:14px}
  .brand__text{font-size:15px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .article-col{max-width:100%}
  .article-title{font-size:30px}
  h1{font-size:32px}
  h2{font-size:26px}
  .section{padding:72px 0}
  .cta-block{padding:72px 0}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;
    top:0;right:0;bottom:0;
    width:290px;
    max-width:86vw;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:88px 20px 28px;
    background:var(--ink-950);
    border-left:1px solid rgba(255,255,255,.1);
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:58;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:none}
  .nav-links a{padding:12px 14px;border-radius:var(--r-btn);font-size:15px}
  .nav-toggle{display:inline-flex}
  body.nav-open .nav-backdrop{display:block}
  .header-cta{display:none}
  .nav-search{display:none}
  body.search-open .nav-search{
    display:flex;
    position:absolute;
    left:0;right:0;top:100%;
    max-width:none;
    min-width:0;
    margin:0;
    border-radius:0;
    border-left:0;border-right:0;border-top:0;
    padding:12px 16px;
    height:64px;
    background:rgba(10,26,21,.99);
    transform:none;
  }
  .search-toggle{display:inline-flex}
}
@media (max-width:767px){
  .header-inner{height:70px;gap:10px}
  .site-header.is-scrolled .header-inner{height:62px}
  .article-title{font-size:26px}
  h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .cta-block{padding:56px 0}
  .article-main{padding:40px 0 64px}
  .article-body{font-size:16.5px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .breadcrumb .current{max-width:32ch}
}
@media (max-width:520px){
  .article-title{font-size:23px;letter-spacing:-.2px}
  .article-meta{gap:10px;font-size:13px}
  .article-meta .divider{display:none}
  .footer-bottom{justify-content:center;text-align:center}
  .article-body{font-size:16px}
}

/* 搜索图标按钮（移动端） */
.search-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:var(--on-dark);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.search-toggle svg{width:19px;height:19px}

/* roulang page: category1 */
:root{
  --pitch-800:#10362B;
  --pitch-600:#1C5C46;
  --pitch-900:#0C2A21;
  --ink-950:#0A1A15;
  --lime-400:#C3F53C;
  --clay-500:#E1613C;
  --sand-50:#F7F5EF;
  --sand-100:#EFEBE1;
  --line:#DFDBCF;
  --ink-700:#2A3A34;
  --ink-500:#5C6B64;
  --paper:#FFFFFF;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"SF Mono","DIN Alternate",Consolas,monospace;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,26,21,.06),0 8px 24px -12px rgba(10,26,21,.18);
  --sh-2:0 14px 34px -14px rgba(10,26,21,.28);
  --t:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-950);line-height:1.32;font-weight:700}
h1{font-size:40px;font-weight:800;letter-spacing:-.5px}
h2{font-size:30px}
h3{font-size:22px;font-weight:600;line-height:1.45}
p{margin:0}
a{color:var(--pitch-600);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--clay-500)}
img{max-width:100%;display:block;border-radius:var(--r-img)}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:32px;padding-right:32px}
@media (min-width:1440px){.grid-container{max-width:1280px}}
@media (max-width:1023px){.grid-container{padding-left:24px;padding-right:24px}}
@media (max-width:639px){.grid-container{padding-left:16px;padding-right:16px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,26,21,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:18px;height:84px;transition:height var(--t)}
.site-header.is-scrolled .header-inner{height:64px}
.site-header.is-scrolled{background:rgba(10,26,21,.98);box-shadow:0 8px 26px -18px rgba(0,0,0,.6)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:#F2F5F1;text-decoration:none}
.brand:hover{color:#F2F5F1}
.brand__mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--pitch-600),var(--ink-950));
  border:1px solid rgba(195,245,60,.32);
}
.brand__mark svg{width:22px;height:22px}
.brand__text{font-weight:700;font-size:17px;color:#F2F5F1;white-space:nowrap;letter-spacing:.01em}
.brand__suffix{color:var(--lime-400);margin-left:2px}

.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;
  min-width:260px;max-width:560px;height:46px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  padding:0 6px 0 14px;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.nav-search:focus-within{border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(195,245,60,.20);transform:scale(1.01)}
.nav-search .search-ico{flex:0 0 auto;width:18px;height:18px;color:rgba(242,245,241,.7)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:44px;border:0;background:transparent;
  color:#F2F5F1;font-size:14.5px;padding:0 10px;
}
.nav-search input::placeholder{color:rgba(242,245,241,.58)}
.nav-search input:focus{outline:none}
.nav-search button{
  flex:0 0 auto;height:34px;padding:0 16px;border:0;cursor:pointer;
  border-radius:var(--r-pill);background:var(--lime-400);color:var(--ink-950);
  font-size:13.5px;font-weight:700;transition:background var(--t),transform var(--t);
}
.nav-search button:hover{background:#d4ff5c}
.nav-search button:active{transform:translateY(1px)}

.nav-links{display:flex;align-items:center;gap:2px;flex:0 0 auto}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:var(--r-pill);
  font-size:14.5px;color:rgba(242,245,241,.78);white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.is-active{color:#F2F5F1;background:rgba(195,245,60,.13)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--lime-400);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#F2F5F1;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#F2F5F1;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.search-toggle{display:none}

/* 抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(6,17,13,.62);z-index:90;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
body.drawer-open .drawer-backdrop{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:100;
  background:var(--ink-950);border-left:1px solid rgba(255,255,255,.08);
  padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .24s ease;
}
body.drawer-open .nav-drawer{transform:translateX(0)}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.nav-drawer .drawer-title{font-size:15px;font-weight:700;color:#F2F5F1}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:#F2F5F1;font-size:18px;line-height:1;cursor:pointer;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:18px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);
}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;color:#F2F5F1;font-size:14px}
.drawer-search input:focus{outline:none}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;
  color:rgba(242,245,241,.82);background:rgba(255,255,255,.03);
  transition:background var(--t),color var(--t);
}
.drawer-nav a:hover{background:rgba(195,245,60,.12);color:#F2F5F1}
.drawer-nav a.is-active{background:rgba(195,245,60,.16);color:#F2F5F1;font-weight:600}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  text-decoration:none;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn--primary{background:var(--pitch-800);color:#fff;border-color:var(--pitch-800)}
.btn--primary:hover{background:var(--lime-400);color:var(--ink-950);border-color:var(--lime-400);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;border-color:var(--pitch-800);color:var(--pitch-800)}
.btn--ghost:hover{background:var(--sand-100);color:var(--pitch-800)}
.btn--light{background:var(--lime-400);color:var(--ink-950);border-color:var(--lime-400)}
.btn--light:hover{background:#d6ff70;transform:translateY(-2px);box-shadow:0 14px 34px -14px rgba(195,245,60,.55)}
.btn--sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

.link-more{font-size:14.5px;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.link-more:hover{color:var(--clay-500);text-decoration-thickness:2px}

/* ===== 页头 Hero ===== */
.page-hero{position:relative;overflow:hidden;background:var(--ink-950);color:#F2F5F1}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 320px at 12% 10%, rgba(195,245,60,.14), transparent 62%),
    linear-gradient(180deg, rgba(10,26,21,.72), rgba(10,26,21,.94));
}
.hero-inner{position:relative;z-index:2;padding-top:44px;padding-bottom:64px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,241,.66);margin-bottom:22px}
.breadcrumb a{color:rgba(242,245,241,.82)}
.breadcrumb a:hover{color:var(--lime-400)}
.breadcrumb .sep{color:rgba(242,245,241,.4)}
.breadcrumb .current{color:var(--ink-500)}
.page-hero h1{color:#F2F5F1;font-size:38px;max-width:760px}
.hero-sub{margin-top:14px;font-size:18px;line-height:1.7;color:rgba(242,245,241,.76);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.page-hero .btn--ghost{border-color:rgba(242,245,241,.5);color:#F2F5F1}
.page-hero .btn--ghost:hover{background:rgba(242,245,241,.12);color:#F2F5F1}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats li{display:flex;flex-direction:column;gap:2px;min-width:110px}
.hero-stats .num{font-size:20px;font-weight:600;color:var(--lime-400)}
.hero-stats .lbl{font-size:13px;color:rgba(242,245,241,.7)}

/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--sand{background:var(--sand-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:16px;color:var(--ink-500)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(28,92,70,.10);color:var(--pitch-600);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-400)}

/* ===== 赛程主体 ===== */
.schedule-wrap{padding-top:64px}
.side-panel{position:sticky;top:108px}
.side-block{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);margin-bottom:18px;
}
.side-title{font-size:15px;font-weight:700;color:var(--ink-950);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--lime-400)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--sand-100);color:var(--pitch-600);
  font-size:13px;font-weight:600;border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.chip:hover{background:var(--sand-50);border-color:var(--pitch-600);color:var(--pitch-600)}
.chip.is-active{background:var(--pitch-800);color:#fff}
.chip--clay{background:rgba(225,97,60,.12);color:var(--clay-500)}
.chip--clay:hover{border-color:var(--clay-500);color:var(--clay-500)}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--ink-700);
  transition:background var(--t),color var(--t);
}
.side-list a:hover{background:var(--sand-100);color:var(--pitch-600)}
.side-list a::after{content:"›";color:var(--ink-500);font-size:16px;line-height:1}
.side-note{font-size:13px;color:var(--ink-500);line-height:1.7}

.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap}
.list-head h2{font-size:24px}
.list-head p{font-size:14px;color:var(--ink-500);margin-top:6px}

.schedule-list{display:flex;flex-direction:column;gap:12px}
.schedule-row{
  display:flex;align-items:center;gap:18px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:background var(--t),transform var(--t),border-color var(--t),box-shadow var(--t);
}
.schedule-row:hover{background:var(--sand-100);border-color:var(--pitch-600);transform:translateX(4px);box-shadow:var(--sh-2)}
.schedule-row:hover .row-title{color:var(--pitch-600)}
.schedule-row:hover .row-arrow{background:var(--pitch-800);color:var(--lime-400);border-color:var(--pitch-800)}
.row-index{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--pitch-800);color:var(--lime-400);
  font-family:var(--font-num);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
}
.row-main{flex:1 1 auto;min-width:0}
.row-title{font-size:17px;font-weight:600;color:var(--ink-950);line-height:1.5;transition:color var(--t)}
.row-desc{font-size:13.5px;color:var(--ink-500);margin-top:3px;line-height:1.6}
.row-meta{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.row-time{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;color:var(--ink-700);white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.03em;white-space:nowrap;
  background:var(--sand-100);color:var(--pitch-600);
}
.badge--clay{background:var(--clay-500);color:#fff}
.badge--lime{background:rgba(195,245,60,.28);color:#254611}
.badge--dark{background:rgba(10,26,21,.08);color:var(--ink-700)}
.row-arrow{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--paper);color:var(--pitch-600);
  font-size:16px;transition:background var(--t),color var(--t),border-color var(--t);
}
.list-foot{display:flex;justify-content:center;margin-top:28px}

/* ===== 三张说明卡 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-3px);border-color:var(--pitch-600);box-shadow:var(--sh-2)}
.info-card:hover .info-card__title{color:var(--pitch-600)}
.info-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--sand-100)}
.info-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.info-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.info-card__title{font-size:18px;font-weight:600;color:var(--ink-950);transition:color var(--t)}
.info-card__text{font-size:14px;line-height:1.75;color:var(--ink-500);flex:1}
.info-card__foot{font-size:13px;color:var(--ink-500);font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-3px);border-color:var(--pitch-600);box-shadow:var(--sh-2)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;margin-bottom:14px;
  background:var(--ink-950);color:var(--lime-400);
  font-family:var(--font-num);font-size:14px;font-weight:700;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-500);line-height:1.75}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion{border:0;background:transparent;margin:0;max-width:none}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--paper);
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
}
.accordion-title{
  position:relative;display:block;padding:20px 58px 20px 22px;
  font-size:17px;font-weight:600;color:var(--ink-950);
  border:0;background:var(--paper);transition:background var(--t),color var(--t);
}
.accordion-title:hover{background:var(--sand-100);color:var(--pitch-600)}
.accordion-title::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:transparent;transition:background var(--t);
}
.accordion-title::after{
  content:"";position:absolute;right:22px;top:calc(50% - 7px);width:14px;height:14px;
  background:
    linear-gradient(var(--pitch-600),var(--pitch-600)) center/14px 2px no-repeat,
    linear-gradient(var(--pitch-600),var(--pitch-600)) center/2px 14px no-repeat;
  transition:background var(--t),transform var(--t);
}
.accordion-item.is-active .accordion-title{color:var(--pitch-600);background:var(--sand-50)}
.accordion-item.is-active .accordion-title::before{background:var(--lime-400)}
.accordion-item.is-active .accordion-title::after{
  background:linear-gradient(var(--pitch-600),var(--pitch-600)) center/14px 2px no-repeat;
  transform:rotate(180deg);
}
.accordion-content{
  padding:0 22px 22px;border:0;background:var(--sand-50);
  font-size:15px;line-height:1.85;color:var(--ink-500);
}
.accordion-content p+p{margin-top:10px}

/* ===== CTA ===== */
.cta-band{background:var(--ink-950);color:#F2F5F1;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 300px at 82% 20%, rgba(195,245,60,.16), transparent 60%);
}
.cta-inner{position:relative;z-index:2;padding:80px 0}
.cta-band h2{color:#F2F5F1;max-width:640px}
.cta-band p{color:rgba(242,245,241,.74);margin-top:12px;max-width:620px}
.cta-form{display:flex;gap:12px;margin-top:28px;max-width:620px}
.cta-form input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#F2F5F1;font-size:15px;transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:rgba(242,245,241,.5)}
.cta-form input:focus{outline:none;border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(195,245,60,.18)}
.cta-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;font-size:13.5px;color:rgba(242,245,241,.68)}
.cta-meta span{display:inline-flex;align-items:center;gap:8px}
.cta-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-400)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-950);color:rgba(242,245,241,.74);padding-top:72px}
.footer-grid{align-items:flex-start}
.footer-col h4{color:#F2F5F1;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(242,245,241,.68)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__text{font-size:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(242,245,241,.72)}
.footer-links a:hover{color:var(--lime-400)}
.footer-bottom{
  margin-top:24px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,245,241,.6);
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(242,245,241,.8);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.footer-social a:hover{background:rgba(195,245,60,.16);color:var(--lime-400);border-color:rgba(195,245,60,.4)}
.footer-social svg{width:18px;height:18px}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-links a{padding:8px 9px;font-size:13.5px}
  .nav-search{min-width:200px}
}
@media (max-width:1023px){
  h1{font-size:32px}
  .page-hero h1{font-size:32px}
  h2{font-size:26px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .side-panel{position:static;margin-bottom:28px}
  .side-block{margin-bottom:14px}
  .side-list{flex-direction:row;flex-wrap:wrap}
  .side-list a{width:auto;background:var(--sand-100)}
  .side-list a::after{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-inner{padding:64px 0}
}
@media (max-width:767px){
  .nav-search{display:none}
  .search-toggle{display:flex}
  .header-actions .btn--sm{display:none}
  .site-header.search-open .nav-search{
    display:flex;position:absolute;left:16px;right:16px;top:72px;
    max-width:none;min-width:0;z-index:5;background:rgba(10,26,21,.98);
  }
  .site-header.search-open .header-inner{height:64px}
  .brand__text{font-size:15.5px}
}
@media (max-width:639px){
  h1{font-size:28px}
  .page-hero h1{font-size:27px}
  h2{font-size:23px}
  .hero-sub{font-size:16px}
  .hero-inner{padding-top:30px;padding-bottom:44px}
  .hero-stats{gap:20px}
  .hero-stats li{min-width:88px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .schedule-row{flex-wrap:wrap;gap:12px;padding:16px}
  .row-main{flex:1 1 100%;order:3}
  .row-index{order:1}
  .row-meta{order:2;margin-left:auto}
  .row-arrow{order:4;margin-left:auto}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: category2 */
:root{
  --pitch-800:#10362B;
  --pitch-600:#1C5C46;
  --ink-950:#0A1A15;
  --lime-400:#C3F53C;
  --clay-500:#E1613C;
  --sand-50:#F7F5EF;
  --sand-100:#EFEBE1;
  --line:#DFDBCF;
  --ink-700:#2A3A34;
  --ink-500:#5C6B64;
  --paper:#FFFFFF;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"SF Mono","DIN Alternate",Consolas,monospace;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-rest:0 1px 2px rgba(10,26,21,.06),0 8px 24px -12px rgba(10,26,21,.18);
  --shadow-hover:0 14px 34px -14px rgba(10,26,21,.28);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--pitch-600);text-decoration:none;}
a:hover{color:var(--clay-500);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 12px;color:var(--ink-950);font-weight:700;line-height:1.35;}
h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-0.5px;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:22px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* Foundation 覆写 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.button,button.button{
  background:var(--pitch-800);color:#fff;border:none;border-radius:var(--radius-btn);
  padding:13px 24px;font-weight:600;letter-spacing:.01em;transition:var(--ease);
}
.button:hover,button.button:hover{background:var(--lime-400);color:var(--ink-950);transform:translateY(-2px);}
.button:active{transform:translateY(0);}
.button.hollow{background:transparent;border:1px solid var(--pitch-800);color:var(--pitch-800);}
.button.hollow:hover{background:var(--sand-100);color:var(--pitch-800);border-color:var(--pitch-600);}
.button.lime{background:var(--lime-400);color:var(--ink-950);}
.button.lime:hover{background:#d6ff5f;box-shadow:0 10px 26px -12px rgba(195,245,60,.7);transform:translateY(-2px);}
input[type="text"],input[type="search"],input[type="email"]{
  height:48px;border-radius:var(--radius-btn);border:1px solid var(--line);
  padding:0 16px;background:#fff;color:var(--ink-700);box-shadow:none;margin:0;
}
input[type="text"]:focus,input[type="search"]:focus,input[type="email"]:focus{
  border-color:var(--pitch-600);outline:none;box-shadow:0 0 0 3px rgba(195,245,60,.55);
}
.accordion{border:none;background:transparent;}
.accordion .accordion-item{border:none;border-bottom:1px solid var(--line);background:#fff;}
.accordion .accordion-title{
  border:none;border-left:3px solid transparent;padding:20px 44px 20px 18px;
  font-size:17px;font-weight:600;color:var(--ink-950);transition:var(--ease);position:relative;
}
.accordion .accordion-title:hover{background:var(--sand-50);color:var(--pitch-600);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--ink-500);transition:transform 200ms ease;
}
.accordion .accordion-item.is-active .accordion-title{border-left-color:var(--lime-400);color:var(--pitch-600);background:var(--sand-50);}
.accordion .accordion-item.is-active .accordion-title::before{content:"–";color:var(--pitch-600);}
.accordion .accordion-content{border:none;padding:2px 22px 22px 21px;background:var(--sand-50);color:var(--ink-500);font-size:15px;}
.tabs{border:none;background:transparent;}
.tabs-title>a{color:var(--ink-500);font-weight:600;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--ink-950);
  border-bottom:1px solid rgba(255,255,255,.10);transition:var(--ease);
}
.site-header::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1200px 200px at 20% -60%,rgba(195,245,60,.14),transparent 70%);}
.header-inner{display:flex;align-items:center;gap:20px;height:84px;transition:height var(--ease);position:relative;z-index:2;}
.site-header.is-scrolled .header-inner{height:64px;}
.site-header.is-scrolled{background:rgba(10,26,21,.94);backdrop-filter:blur(10px);}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:#F2F5F1;}
.brand:hover{color:#F2F5F1;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;background:var(--pitch-800);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  border:1px solid rgba(195,245,60,.35);
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.brand__suffix{color:var(--lime-400);margin-left:2px;}
.search-form{position:relative;flex:1 1 auto;max-width:560px;min-width:220px;}
.search-form input{
  width:100%;height:44px;border-radius:999px;padding:0 84px 0 44px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  color:#F2F5F1;transition:var(--ease);
}
.search-form input::placeholder{color:rgba(242,245,241,.62);}
.search-form input:focus{
  background:rgba(255,255,255,.16);border-color:var(--lime-400);
  box-shadow:0 0 0 3px rgba(195,245,60,.28);transform:scale(1.01);
}
.search-form .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:rgba(242,245,241,.72);}
.search-form .search-submit{
  position:absolute;right:5px;top:5px;height:34px;padding:0 16px;border-radius:999px;
  background:var(--lime-400);color:var(--ink-950);font-size:13px;font-weight:700;border:none;cursor:pointer;transition:var(--ease);
}
.search-form .search-submit:hover{background:#d6ff5f;}
.nav-links{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.nav-links a{
  display:inline-block;padding:9px 12px;border-radius:999px;font-size:15px;font-weight:600;
  color:rgba(242,245,241,.80);border-bottom:3px solid transparent;transition:var(--ease);white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.is-active{color:#fff;border-bottom-color:var(--lime-400);border-radius:0;background:transparent;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.header-cta{padding:10px 18px;font-size:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:#F2F5F1;transition:var(--ease);
}
.icon-btn:hover{background:rgba(195,245,60,.18);border-color:var(--lime-400);color:#fff;}
.nav-toggle{display:none;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);background:var(--ink-950);z-index:90;
  transform:translateX(102%);transition:transform 240ms ease;padding:20px;overflow-y:auto;
  border-left:1px solid rgba(255,255,255,.10);
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-search{position:relative;margin:12px 0 20px;}
.drawer .drawer-search input{
  width:100%;height:44px;border-radius:999px;padding:0 16px 0 42px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);color:#F2F5F1;
}
.drawer nav a{
  display:block;padding:14px 12px;border-radius:12px;color:rgba(242,245,241,.85);
  font-weight:600;border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer nav a:hover,.drawer nav a.is-active{background:rgba(195,245,60,.14);color:#fff;}
.drawer-close{margin-left:auto;}
.drawer-head{display:flex;align-items:center;gap:10px;}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(10,26,21,.55);z-index:80;opacity:0;visibility:hidden;transition:var(--ease);
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}

/* 页面 hero */
.page-hero{
  position:relative;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;color:#F2F5F1;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,26,21,.94) 0%,rgba(16,54,43,.86) 52%,rgba(10,26,21,.72) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.10;pointer-events:none;
  background-image:radial-gradient(circle at 88% 20%,rgba(195,245,60,.85) 0 2px,transparent 3px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 1px,transparent 1px 96px);
}
.hero-inner{position:relative;z-index:2;padding-top:52px;padding-bottom:56px;min-height:264px;display:flex;flex-direction:column;justify-content:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,241,.72);margin-bottom:16px;}
.breadcrumb a{color:rgba(242,245,241,.86);}
.breadcrumb a:hover{color:var(--lime-400);}
.breadcrumb .current{color:rgba(242,245,241,.55);}
.page-hero h1{color:#fff;max-width:760px;}
.hero-sub{color:rgba(242,245,241,.78);font-size:17px;max-width:660px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* 通用板块 */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--sand{background:var(--sand-100);}
.section--paper{background:var(--paper);}
.section--dark{background:var(--ink-950);color:rgba(242,245,241,.80);}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{color:var(--ink-500);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;font-weight:700;
  color:var(--pitch-600);background:var(--sand-100);border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:var(--lime-400);}
.split-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.split-head .section-head{margin-bottom:0;}

/* 数据速览条 */
.stat-strip{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat-strip .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:34px 26px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-item .stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--pitch-800);line-height:1.1;}
.stat-item .stat-label{font-size:13px;color:var(--ink-500);margin-top:6px;}

/* 筛选 chip */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  background:var(--sand-100);color:var(--pitch-600);font-size:13px;font-weight:600;
  border:1px solid var(--line);transition:var(--ease);cursor:pointer;
}
.chip:hover{border-color:var(--pitch-600);transform:translateY(-2px);color:var(--pitch-800);}
.chip.is-on{background:var(--pitch-800);color:#fff;border-color:var(--pitch-800);}

/* 卡片网格 */
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-rest);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--pitch-600);}
.card:hover .card-title{color:var(--pitch-600);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand-100);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.badge{
  display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;
  font-size:12px;line-height:1;letter-spacing:.04em;font-weight:700;
  background:var(--sand-100);color:var(--pitch-800);border:1px solid var(--line);
}
.badge--clay{background:rgba(225,97,60,.12);color:var(--clay-500);border-color:rgba(225,97,60,.28);}
.badge--float{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);border-color:transparent;}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{font-size:18px;font-weight:600;line-height:1.5;margin:12px 0 8px;color:var(--ink-950);transition:var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-text{font-size:14px;line-height:1.7;color:var(--ink-500);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);}
.card-foot .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.card-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--pitch-600);}
.card-link::after{content:"→";transition:transform var(--ease);}
.card:hover .card-link::after{transform:translateX(4px);}
.cards-grid.row{margin-bottom:-24px;}
.cards-grid>[class*="cell"]{margin-bottom:24px;}

/* 图文分栏 */
.feature-block{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.feature-block .feature-media img{border-radius:var(--radius-img);box-shadow:var(--shadow-rest);width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-block h3{margin-top:14px;}
.feature-block p{color:var(--ink-500);}
.tick-list li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--ink-700);font-size:15px;}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:4px;
  background:var(--lime-400);box-shadow:inset 0 0 0 2px var(--pitch-800);
}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px;
  box-shadow:var(--shadow-rest);transition:var(--ease);}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--pitch-600);}
.step .step-no{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--pitch-600);
  background:var(--sand-100);border:1px solid var(--line);border-radius:999px;padding:4px 11px;display:inline-block;}
.step h3{font-size:18px;margin:14px 0 8px;}
.step p{font-size:14px;color:var(--ink-500);margin:0;}

/* 指标条 */
.meter-list li{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;}
.meter-list li:last-child{border-bottom:none;}
.meter-list .meter-name{flex:0 0 118px;color:var(--ink-500);font-size:14px;}
.meter-bar{flex:1 1 auto;height:8px;border-radius:999px;background:var(--sand-100);overflow:hidden;}
.meter-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--pitch-600),var(--lime-400));border-radius:999px;}
.meter-val{flex:0 0 auto;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;color:var(--pitch-800);}

/* 加载更多 */
.load-more-wrap{text-align:center;margin-top:40px;}
.load-more{
  background:transparent;border:1px dashed var(--pitch-600);color:var(--pitch-600);
  padding:13px 34px;border-radius:999px;font-weight:600;cursor:pointer;transition:var(--ease);
}
.load-more:hover{background:var(--pitch-800);border-style:solid;border-color:var(--pitch-800);color:#fff;transform:translateY(-2px);}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-side{background:var(--sand-100);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-rest);}
.faq-side h3{font-size:19px;margin-bottom:10px;}
.faq-side p{font-size:14px;color:var(--ink-500);}
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.faq-layout .accordion{max-width:none;margin:0;}

/* CTA */
.cta-band{background:var(--ink-950);border-radius:20px;padding:52px 48px;position:relative;overflow:hidden;color:rgba(242,245,241,.80);}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(195,245,60,.22),transparent 68%);
}
.cta-band h2{color:#fff;max-width:640px;}
.cta-form{display:flex;gap:12px;margin-top:22px;max-width:560px;position:relative;z-index:2;}
.cta-form input{flex:1 1 auto;height:48px;}
.cta-notes{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:rgba(242,245,241,.66);}
.cta-notes span{display:inline-flex;align-items:center;gap:8px;}
.cta-notes span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-400);}

/* 页脚 */
.site-footer{background:var(--ink-950);color:rgba(242,245,241,.72);padding:72px 0 28px;font-size:14px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.03em;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand .brand__text{color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(242,245,241,.72);transition:var(--ease);}
.footer-links a:hover{color:var(--lime-400);transform:translateX(3px);}
.footer-bottom{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;
  color:rgba(242,245,241,.55);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(242,245,241,.8);transition:var(--ease);
}
.footer-social a:hover{background:rgba(195,245,60,.18);color:var(--lime-400);}
.footer-social svg{width:18px;height:18px;}

/* 响应式 */
@media (max-width:1199px){
  .nav-links a{padding:9px 9px;font-size:14px;}
  .header-cta{display:none;}
}
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:72px 0;}
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-form{min-width:160px;}
  .cards-grid>[class*="cell"]{margin-bottom:22px;}
  .feature-block{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-strip .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2n){border-right:none;}
  .stat-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
}
@media (max-width:767px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .search-form{display:none;}
  .brand__text{font-size:16px;}
  .cta-band{padding:36px 24px;border-radius:16px;}
  .cta-form{flex-direction:column;}
  .cta-form .button{width:100%;}
  .hero-inner{padding-top:36px;padding-bottom:40px;min-height:auto;}
  .steps{grid-template-columns:1fr;}
}
@media (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .hero-sub{font-size:16px;}
  .stat-strip .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:24px 20px;}
  .stat-item:last-child{border-bottom:none;}
  .hero-actions .button{width:100%;text-align:center;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

/* roulang page: category3 */
:root{
  --pitch-800:#10362B;
  --pitch-600:#1C5C46;
  --ink-950:#0A1A15;
  --lime-400:#C3F53C;
  --clay-500:#E1613C;
  --sand-50:#F7F5EF;
  --sand-100:#EFEBE1;
  --line:#DFDBCF;
  --ink-700:#2A3A34;
  --ink-500:#5C6B64;
  --white:#FFFFFF;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","DIN Alternate",Consolas,monospace;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-chip:999px;
  --shadow-1:0 1px 2px rgba(10,26,21,.06),0 8px 24px -12px rgba(10,26,21,.18);
  --shadow-2:0 14px 34px -14px rgba(10,26,21,.28);
  --ease:180ms cubic-bezier(.4,.2,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;height:auto;}
a{color:var(--pitch-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--clay-500);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-950);font-weight:700;letter-spacing:-.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink-950);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,26,21,.95);
  backdrop-filter:blur(10px);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.8);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:84px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(150deg,#164839,#0C2A22);
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(195,245,60,.28);
  flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{
  color:#F2F5F1;
  font-size:17px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand__suffix{color:var(--lime-400);}

.nav-search{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;
  min-width:280px;
  max-width:560px;
  height:44px;
  padding:0 6px 0 16px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.nav-search:focus-within{
  border-color:var(--lime-400);
  box-shadow:0 0 0 3px rgba(195,245,60,.22);
  transform:scale(1.01);
}
.nav-search svg{width:18px;height:18px;stroke:rgba(242,245,241,.7);flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;
  height:40px;
  background:transparent;
  border:none;
  color:#F2F5F1;
  font-size:14px;
  font-family:inherit;
  min-width:0;
}
.nav-search input::placeholder{color:rgba(242,245,241,.55);}
.nav-search input:focus{outline:none;}
.search-btn{
  flex:0 0 auto;
  height:34px;
  padding:0 16px;
  border:none;
  border-radius:999px;
  background:var(--lime-400);
  color:var(--ink-950);
  font-size:13px;
  font-weight:700;
  transition:background var(--ease),transform var(--ease);
}
.search-btn:hover{background:#D6FF5C;}
.search-btn:active{transform:translateY(1px);}

.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  color:rgba(242,245,241,.78);
  border-radius:8px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--lime-400);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}

.nav-cta{
  flex:0 0 auto;
  height:40px;
  padding:0 18px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--radius-btn);
  background:var(--lime-400);
  color:var(--ink-950);
  font-size:14px;
  font-weight:700;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{background:#D6FF5C;color:var(--ink-950);transform:translateY(-2px);box-shadow:0 8px 20px -10px rgba(195,245,60,.7);}
.nav-cta:active{transform:translateY(0);}

.menu-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  padding:0;
  align-items:center;
  justify-content:center;
}
.menu-toggle span{
  display:block;width:18px;height:2px;background:#F2F5F1;border-radius:2px;
  position:relative;
}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#F2F5F1;border-radius:2px;
  transition:transform var(--ease),top var(--ease);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

.nav-overlay{
  position:fixed;inset:0;
  background:rgba(10,26,21,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:85;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--pitch-800);color:#fff;}
.btn--primary:hover{background:var(--lime-400);color:var(--ink-950);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--pitch-800);color:var(--pitch-800);}
.btn--ghost:hover{background:var(--sand-100);color:var(--pitch-800);transform:translateY(-2px);}
.btn--lime{background:var(--lime-400);color:var(--ink-950);}
.btn--lime:hover{background:#D6FF5C;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(195,245,60,.8);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--pitch-600);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:text-decoration-thickness var(--ease),color var(--ease);
}
.link-more:hover{color:var(--clay-500);text-decoration-thickness:2px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 72px;
  background:var(--sand-50);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 12% 18%,rgba(28,92,70,.10),transparent 42%),
    radial-gradient(circle at 88% 84%,rgba(195,245,60,.22),transparent 46%);
  pointer-events:none;
}
.hero .grid-container{position:relative;z-index:1;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--pitch-600);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-500);}

.hero h1{
  font-size:40px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-sub{
  font-size:18px;
  line-height:1.7;
  color:var(--ink-500);
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}

.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:0;
}
.hero-facts li{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.hero-facts li:first-child{padding-left:0;border-left:none;}
.hero-facts strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:700;
  color:var(--pitch-800);
  line-height:1.3;
}
.hero-facts span{font-size:13px;color:var(--ink-500);}

.hero-visual{position:relative;padding-bottom:34px;}
.hero-visual__main{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.hero-visual__main img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual__badge{
  position:absolute;
  left:-14px;
  bottom:6px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:14px 18px;
  min-width:170px;
}
.hero-visual__badge .num{
  display:block;font-size:24px;font-weight:700;color:var(--pitch-800);line-height:1.2;
}
.hero-visual__badge span{font-size:12px;color:var(--ink-500);}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--sand{background:var(--sand-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:12px;}
.section-head p{color:var(--ink-500);font-size:15px;}
.section-head--row{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;
}

/* ---------- Chips ---------- */
.chip-row{
  display:flex;gap:10px;
  overflow-x:auto;
  padding:4px 0 14px;
  margin-bottom:26px;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;
  border-radius:var(--radius-chip);
  background:var(--sand-100);
  color:var(--pitch-600);
  font-size:14px;
  border:1px solid transparent;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{background:#fff;border-color:var(--pitch-600);color:var(--pitch-800);transform:translateY(-1px);}
.chip.is-active{background:var(--pitch-800);color:#fff;}

/* ---------- FAQ ---------- */
.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group__title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:700;color:var(--ink-950);
  margin-bottom:18px;
}
.faq-group__title .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:10px;
  background:var(--pitch-800);color:var(--lime-400);
  font-family:var(--font-num);font-size:14px;font-weight:700;
}

.accordion{border:none;background:transparent;margin:0;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  margin-bottom:12px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:hover{border-color:var(--pitch-600);box-shadow:var(--shadow-2);}
.accordion-title{
  position:relative;
  display:block;
  border:none;
  padding:20px 58px 20px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink-700);
  background:#fff;
  transition:color var(--ease),background var(--ease);
}
.accordion-title:hover{background:var(--sand-50);color:var(--pitch-600);}
.accordion-title:focus{outline:none;}
.accordion-title:focus-visible{outline:2px solid var(--lime-400);outline-offset:-4px;}
.accordion-title::before{
  content:"";
  position:absolute;right:28px;top:50%;
  width:2px;height:14px;
  margin-top:-7px;
  border-radius:2px;
  background:var(--pitch-800);
  opacity:1;
  font-size:0;
  transition:opacity var(--ease),background var(--ease);
}
.accordion-title::after{
  content:"";
  position:absolute;right:22px;top:50%;
  width:14px;height:2px;
  margin-top:-1px;
  border-radius:2px;
  background:var(--pitch-800);
  transition:background var(--ease);
}
.accordion-item.is-active{border-color:var(--pitch-600);}
.accordion-item.is-active .accordion-title{color:var(--pitch-600);font-weight:700;background:#fff;}
.accordion-item.is-active .accordion-title::before{opacity:0;}
.accordion-item.is-active .accordion-title::after{background:var(--clay-500);}
.accordion-content{
  border:none;
  border-top:1px solid var(--line);
  padding:18px 22px 22px;
  background:#fff;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
}
.accordion-content strong{color:var(--ink-700);}

/* ---------- Side question card ---------- */
.side-card{
  position:sticky;
  top:110px;
  background:var(--sand-50);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
}
.side-card h3{font-size:20px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--ink-500);margin-bottom:20px;}
.side-card .btn{width:100%;}
.side-card__list{margin-top:22px;border-top:1px solid var(--line);padding-top:18px;}
.side-card__list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--ink-500);margin-bottom:10px;
}
.side-card__list li:last-child{margin-bottom:0;}
.dot{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  background:var(--lime-400);margin-top:10px;
}

/* ---------- Spec block ---------- */
.spec-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.spec-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}

.spec-list{margin-top:26px;}
.spec-list li{
  display:flex;gap:16px;
  padding:20px 0;
  border-top:1px solid var(--line);
}
.spec-list li:first-child{border-top:none;padding-top:0;}
.spec-list__icon{
  flex:0 0 auto;
  width:44px;height:44px;border-radius:12px;
  background:var(--sand-100);
  display:flex;align-items:center;justify-content:center;
}
.spec-list__icon svg{width:20px;height:20px;stroke:var(--pitch-600);}
.spec-list h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.spec-list p{font-size:14px;color:var(--ink-500);margin:0;}

.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#fff;
  margin-top:56px;
  box-shadow:var(--shadow-1);
}
.stat-strip div{
  padding:26px 22px;
  border-left:1px solid var(--line);
  text-align:left;
}
.stat-strip div:first-child{border-left:none;}
.stat-strip .num{
  display:block;font-size:26px;font-weight:700;color:var(--pitch-800);line-height:1.2;margin-bottom:6px;
}
.stat-strip span{font-size:13px;color:var(--ink-500);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-950);
  color:#F2F5F1;
  padding:84px 0;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(10,26,21,.82),rgba(10,26,21,.92)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.cta-band .grid-container{position:relative;z-index:1;}
.cta-band h2{color:#F2F5F1;font-size:30px;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:rgba(242,245,241,.72);font-size:15px;max-width:560px;margin-bottom:28px;}

.cta-form{display:flex;gap:12px;max-width:560px;margin-bottom:26px;}
.cta-form input{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#F2F5F1;
  font-size:15px;
  font-family:inherit;
  min-width:0;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cta-form input::placeholder{color:rgba(242,245,241,.5);}
.cta-form input:focus{
  outline:none;
  border-color:var(--lime-400);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(195,245,60,.2);
}
.cta-form .btn{flex:0 0 auto;}

.cta-notes{display:flex;flex-wrap:wrap;gap:12px 28px;}
.cta-notes span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(242,245,241,.72);
}
.cta-notes .dot{margin-top:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-950);color:rgba(242,245,241,.72);padding:72px 0 28px;}
.footer-grid{border-bottom:1px solid rgba(255,255,255,.10);padding-bottom:40px;}
.footer-col h4{
  color:#F2F5F1;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.2px;
}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(242,245,241,.66);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(242,245,241,.72);font-size:14px;transition:color var(--ease),transform var(--ease);display:inline-block;}
.footer-links a:hover{color:var(--lime-400);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;font-size:13px;color:rgba(242,245,241,.55);
}
.footer-social{display:flex;align-items:center;gap:12px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  color:rgba(242,245,241,.75);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.footer-social a:hover{color:var(--lime-400);border-color:var(--lime-400);transform:translateY(-2px);}
.footer-social svg{width:17px;height:17px;}

/* ---------- Responsive ---------- */
@media (min-width:1024px){
  .nav-links{display:flex;}
}
@media (max-width:1199px){
  .nav-search{min-width:200px;}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .header-inner{gap:12px;}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:96px 22px 32px;
    background:var(--ink-950);
    border-left:1px solid rgba(255,255,255,.10);
    transform:translateX(102%);
    transition:transform 240ms cubic-bezier(.4,.2,.2,1);
    overflow-y:auto;
    z-index:90;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{padding:14px 12px;font-size:15px;border-radius:10px;}
  .nav-links a::after{left:12px;right:auto;width:22px;bottom:6px;}
  .hero{padding:40px 0 56px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .side-card{position:static;margin-top:32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip div:nth-child(3){border-left:none;border-top:1px solid var(--line);}
  .stat-strip div:nth-child(4){border-top:1px solid var(--line);}
  .cta-band{padding:64px 0;}
  .cta-band h2{font-size:26px;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-inner{height:68px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand__text{font-size:15px;}
  .brand__mark{width:36px;height:36px;border-radius:10px;}
  .hero h1{font-size:28px;}
  .hero-facts li{padding:0 16px;}
  .hero-facts strong{font-size:19px;}
  .hero-actions .btn{width:100%;}
  .hero-visual__badge{left:12px;bottom:-10px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;}
  .faq-group__title{font-size:18px;}
  .accordion-title{font-size:16px;padding:16px 52px 16px 18px;}
  .accordion-content{padding:16px 18px 20px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip div{border-left:none;border-top:1px solid var(--line);}
  .stat-strip div:first-child{border-top:none;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer-bottom{justify-content:center;text-align:center;}
}

.accordion-content{display:block !important;}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --pitch-800:#10362B;
  --pitch-600:#1C5C46;
  --ink-950:#0A1A15;
  --lime-400:#C3F53C;
  --clay-500:#E1613C;
  --sand-50:#F7F5EF;
  --sand-100:#EFEBE1;
  --line:#DFDBCF;
  --ink-700:#2A3A34;
  --ink-500:#5C6B64;
  --paper:#FFFFFF;
  --on-dark:#F2F5F1;
  --on-dark-mute:rgba(242,245,241,.72);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,26,21,.06),0 8px 24px -12px rgba(10,26,21,.18);
  --sh-2:0 14px 34px -14px rgba(10,26,21,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","DIN Alternate",Consolas,monospace;
  --t:180ms ease;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--pitch-600);text-decoration:none;transition:color var(--t),border-color var(--t);}
a:hover{color:var(--clay-500);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:6px;}

/* ============ 排版 ============ */
h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.5px;color:var(--ink-950);}
h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-950);letter-spacing:-.3px;}
h3{font-size:22px;line-height:1.45;font-weight:600;color:var(--ink-950);}
h4{font-size:16px;line-height:1.5;font-weight:700;color:var(--ink-950);}
.lead{font-size:18px;line-height:1.7;color:var(--ink-500);}
.small{font-size:14px;line-height:1.7;color:var(--ink-500);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:1023px){.grid-container{padding-left:24px;padding-right:24px;}}
@media (max-width:639px){.grid-container{padding-left:16px;padding-right:16px;}}

.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--sand{background:var(--sand-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-500);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:48px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--pitch-800);color:#fff;}
.btn--primary:hover{background:var(--lime-400);color:var(--ink-950);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;color:var(--pitch-800);border-color:var(--pitch-800);}
.btn--ghost:hover{background:var(--sand-100);color:var(--pitch-800);}
.btn--on-dark{background:var(--lime-400);color:var(--ink-950);}
.btn--on-dark:hover{background:#d3ff58;color:var(--ink-950);transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(195,245,60,.7);}
.btn--outline-light{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.36);}
.btn--outline-light:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.6);}
.btn--sm{height:40px;padding:0 16px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--pitch-600);
  border-bottom:1px solid rgba(28,92,70,.45);padding-bottom:2px;
}
.text-link:hover{color:var(--clay-500);border-bottom-color:var(--clay-500);border-bottom-width:2px;}

/* ============ 徽章 / chip ============ */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;font-weight:600;letter-spacing:.04em;
}
.badge--sand{background:var(--sand-100);color:var(--pitch-800);border:1px solid var(--line);}
.badge--clay{background:rgba(225,97,60,.12);color:#B4441F;}
.badge--lime{background:var(--lime-400);color:var(--ink-950);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--sand-100);color:var(--pitch-800);font-size:14px;font-weight:600;
  border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.chip:hover{background:var(--pitch-800);color:#fff;border-color:var(--pitch-800);}
.chip.is-current{background:var(--pitch-800);color:#fff;border-color:var(--pitch-800);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(10,26,21,.5);background:rgba(255,255,255,.98);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:84px;transition:min-height var(--t);}
.site-header.is-scrolled .header-inner{min-height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;background:var(--pitch-800);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand__mark svg{width:24px;height:24px;}
.brand__text{font-size:17px;font-weight:700;color:var(--ink-950);letter-spacing:-.2px;white-space:nowrap;}
.brand__suffix{color:var(--pitch-600);}
.brand:hover .brand__text{color:var(--pitch-800);}

.header-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;min-width:280px;max-width:560px;height:44px;
  background:var(--sand-50);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 14px;transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.header-search:focus-within{border-color:var(--pitch-600);box-shadow:0 0 0 3px rgba(195,245,60,.45);transform:scale(1.01);}
.header-search svg{width:18px;height:18px;flex:0 0 auto;color:var(--ink-500);}
.header-search input{
  flex:1 1 auto;border:0;background:transparent;height:40px;padding:0 10px;
  font-size:14px;outline:none;color:var(--ink-700);
}
.header-search input::placeholder{color:#8A9990;}
.header-search .search-btn{
  height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--pitch-800);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
  transition:background var(--t),color var(--t);
}
.header-search .search-btn:hover{background:var(--lime-400);color:var(--ink-950);}

.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  font-size:14px;font-weight:600;color:var(--ink-700);
  padding:8px 2px;border-bottom:3px solid transparent;transition:color var(--t),border-color var(--t);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--pitch-800);border-bottom-color:var(--line);}
.nav-links a.is-active{color:var(--pitch-800);border-bottom-color:var(--pitch-600);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle,.search-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--sand-100);border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;color:var(--pitch-800);
}
.nav-toggle:hover,.search-toggle:hover{background:var(--sand-50);}
.nav-toggle svg,.search-toggle svg{width:20px;height:20px;}
.nav-mask{
  position:fixed;inset:0;background:rgba(10,26,21,.42);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;
}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-mute);}
.crumb a{color:var(--on-dark-mute);}
.crumb a:hover{color:var(--lime-400);}
.crumb span.sep{opacity:.6;}
.crumb .current{color:#fff;font-weight:600;}

/* ============ Hero ============ */
.hero-cat{
  position:relative;overflow:hidden;color:var(--on-dark);
  background-image:linear-gradient(115deg,rgba(10,26,21,.94) 0%,rgba(16,54,43,.88) 46%,rgba(16,54,43,.66) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 12% 118%,rgba(195,245,60,.16) 0 22%,transparent 62%),
                   radial-gradient(circle at 86% -10%,rgba(255,255,255,.10) 0 30%,transparent 66%);
}
.hero-cat .grid-container{position:relative;z-index:2;}
.hero-inner{padding:64px 0 72px;max-width:820px;}
.hero-inner h1{color:#fff;margin:18px 0 16px;}
.hero-inner .lead{color:var(--on-dark-mute);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);}
.hero-facts .fact b{display:block;font-family:var(--font-num);font-size:22px;font-weight:600;color:var(--lime-400);line-height:1.2;}
.hero-facts .fact span{font-size:13px;color:var(--on-dark-mute);}

/* ============ 对比表 ============ */
.cmp-hint{display:none;font-size:13px;color:var(--ink-500);margin-bottom:10px;}
.cmp-wrap{
  overflow-x:auto;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
table.cmp{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
table.cmp th,table.cmp td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);}
table.cmp thead th{
  font-size:13px;font-weight:700;color:var(--ink-500);letter-spacing:.04em;
  background:var(--sand-100);white-space:nowrap;
}
table.cmp thead th .head-note{display:block;font-size:12px;font-weight:500;color:var(--ink-500);letter-spacing:0;margin-top:4px;}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover td{background:var(--sand-50);}
table.cmp .col-item{width:26%;font-weight:600;color:var(--ink-950);}
table.cmp .col-hl{background:#FCFAF3;}
table.cmp thead th.col-hl{border-top:3px solid var(--pitch-600);color:var(--pitch-800);}
table.cmp .mark{display:inline-flex;align-items:center;gap:6px;font-weight:600;}
table.cmp .mark svg{width:16px;height:16px;flex:0 0 auto;}
table.cmp .mark--yes{color:var(--pitch-600);}
table.cmp .mark--no{color:#9AA6A0;font-weight:500;}
.compare-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;}
.compare-note span{font-size:14px;color:var(--ink-500);}

/* ============ 流程 ============ */
.flow-grid{align-items:center;}
.flow-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.flow-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.steps{counter-reset:step;margin-top:8px;}
.steps li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
}
.steps li:last-child{border-bottom:0;}
.step-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  background:var(--sand-100);color:var(--pitch-800);
  font-family:var(--font-num);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.steps h4{margin-bottom:4px;}
.steps p{font-size:14px;color:var(--ink-500);}

/* ============ 说明小卡 ============ */
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr));}
.info-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--pitch-600);}
.info-card:hover h3{color:var(--pitch-600);}
.icon-box{
  width:44px;height:44px;border-radius:12px;background:var(--sand-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--pitch-800);
}
.icon-box svg{width:22px;height:22px;}
.info-card h3{font-size:18px;line-height:1.5;margin-bottom:10px;transition:color var(--t);}
.info-card p{font-size:14px;color:var(--ink-500);margin-bottom:18px;}
.info-card .text-link{margin-top:auto;align-self:flex-start;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
ul.accordion{background:transparent;border:0;margin:0;}
ul.accordion .accordion-item{border:0;background:transparent;}
ul.accordion .accordion-title{
  position:relative;background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:20px 44px 20px 18px;font-size:17px;font-weight:600;color:var(--ink-950);line-height:1.55;
  transition:color var(--t),background var(--t);
}
ul.accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;background:transparent;
  transition:background var(--t);
}
ul.accordion .accordion-title::after{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:20px;font-weight:600;color:var(--ink-500);
  transition:transform 200ms ease,color var(--t);
}
ul.accordion .accordion-title:hover{color:var(--pitch-600);background:var(--sand-50);}
ul.accordion .accordion-item.is-active .accordion-title{color:var(--pitch-600);}
ul.accordion .accordion-item.is-active .accordion-title::before{background:var(--lime-400);}
ul.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);color:var(--pitch-600);}
ul.accordion .accordion-content{
  border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:18px 44px 22px 18px;font-size:15px;color:var(--ink-500);line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink-950);color:var(--on-dark);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 88% 8%,rgba(195,245,60,.14) 0 26%,transparent 66%);
}
.cta-band .grid-container{position:relative;z-index:2;}
.cta-inner{padding:78px 0;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner p{color:var(--on-dark-mute);}
.inline-form{display:flex;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:12px;border-radius:16px;}
.inline-form input{
  flex:1 1 auto;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.94);padding:0 16px;font-size:15px;outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.inline-form input::placeholder{color:#88978F;}
.inline-form input:focus{border-color:var(--pitch-600);box-shadow:0 0 0 3px rgba(195,245,60,.5);}
.cta-notes{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:20px;}
.cta-notes span{font-size:13px;color:var(--on-dark-mute);display:inline-flex;align-items:center;gap:8px;}
.cta-notes span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-400);}
.form-tip{font-size:13px;color:var(--on-dark-mute);margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-950);color:var(--on-dark);padding-top:72px;}
.site-footer p{color:var(--on-dark-mute);font-size:14px;line-height:1.8;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__text{color:#fff;}
.footer-brand .brand__suffix{color:var(--lime-400);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--on-dark-mute);font-size:14px;}
.footer-links a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:24px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--on-dark-mute);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:var(--on-dark);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.footer-social a:hover{background:var(--lime-400);color:var(--ink-950);border-color:var(--lime-400);}
.footer-social svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .header-search{min-width:0;max-width:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:30px;padding:64px 0;}
  .nav-links{
    position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);
    flex-direction:column;align-items:flex-start;gap:4px;
    background:#fff;padding:84px 24px 32px;
    transform:translateX(105%);transition:transform .28s ease;
    box-shadow:-18px 0 44px -24px rgba(10,26,21,.6);z-index:75;overflow-y:auto;
  }
  .nav-links a{width:100%;padding:12px 4px;border-bottom:1px solid var(--line);border-left:3px solid transparent;}
  .nav-links a:hover{border-left-color:var(--line);}
  .nav-links a.is-active{color:var(--pitch-800);border-bottom-color:var(--line);border-left-color:var(--pitch-600);}
  body.nav-open .nav-links{transform:none;}
  body.nav-open .nav-mask{opacity:1;visibility:visible;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:767px){
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:20px;}
  .hero-inner{padding:44px 0 52px;}
  .hero-facts{gap:22px;}
  .hero-actions .btn{flex:1 1 auto;}
  .card-grid{grid-template-columns:1fr;}
  .steps li{gap:12px;}
  .cmp-hint{display:block;}
  .search-toggle{display:inline-flex;}
  .header-search{
    position:absolute;left:16px;right:16px;top:calc(100% + 8px);
    max-width:none;display:none;background:#fff;box-shadow:var(--sh-2);z-index:78;
  }
  body.search-open .header-search{display:flex;}
  .header-actions .btn{display:none;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
}
@media (max-width:519px){
  .inline-form{flex-direction:column;}
  .inline-form .btn{width:100%;}
  ul.accordion .accordion-title{padding:18px 40px 18px 14px;font-size:16px;}
  ul.accordion .accordion-content{padding:16px 24px 20px 14px;}
}