/* roulang page: index */
:root{
  --orange:#FF6B2C;
  --orange-press:#E2541A;
  --orange-soft:#FFF1E9;
  --pine:#16332C;
  --pine-2:#1D443A;
  --lime:#D6F24A;
  --bg:#F7F5F2;
  --bg-alt:#EFEBE5;
  --card:#FFFFFF;
  --ink:#1A1D1C;
  --ink-2:#5A615E;
  --ink-3:#8B918E;
  --line:#E3DED7;
  --ok:#2E9E6B;
  --ok-soft:#E9F6EF;
  --warn:#C8892A;
  --warn-soft:#FBF2E2;
  --err:#D8443C;
  --err-soft:#FDECEB;
  --r-card:16px;
  --r-ctrl:10px;
  --r-pill:999px;
  --r-img:14px;
  --sh:0 1px 2px rgba(26,29,28,.04), 0 8px 24px rgba(26,29,28,.06);
  --sh-hover:0 12px 32px rgba(26,29,28,.10);
  --container:1200px;
  --gap:24px;
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-wrap:pretty;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.4px;text-wrap:pretty}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,107,44,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--pine);color:#F4F1EC;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 顶部悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 8px;transition:padding var(--t)}
.site-header.is-scrolled{padding:8px 0 6px}
.nav-shell{
  max-width:var(--container);
  margin:0 auto;
  height:62px;
  padding:0 10px 0 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:rgba(247,245,242,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--sh-hover)}
.brand{display:flex;flex-direction:column;line-height:1.15;padding:4px 6px;border-radius:var(--r-ctrl)}
.brand-mark{font-size:17px;font-weight:800;letter-spacing:1.2px}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:2.4px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:14.5px;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color var(--t),background var(--t);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:5px;
  height:2px;
  background:var(--orange);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--ink);background:var(--orange-soft)}
.nav-link.is-active{color:var(--ink);font-weight:600;background:var(--orange-soft)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  position:fixed;
  inset:0 0 auto 0;
  top:0;
  padding:96px 20px 28px;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  border-radius:0 0 24px 24px;
  box-shadow:var(--sh-hover);
  transform:translateY(-104%);
  transition:transform var(--t);
  z-index:90;
}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-panel a{
  display:block;
  padding:14px 16px;
  border-radius:var(--r-ctrl);
  font-size:16px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a.is-active{color:var(--orange-press);background:var(--orange-soft);font-weight:600}
.mobile-panel .m-cta{margin-top:16px;text-align:center;background:var(--orange);color:#fff;font-weight:600;border-radius:var(--r-pill);border-bottom:0}
.nav-backdrop{position:fixed;inset:0;background:rgba(22,51,44,.55);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:85}
.nav-backdrop.is-open{opacity:1;pointer-events:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
  min-height:44px;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.24)}
.btn-primary:hover{background:var(--orange-press);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,44,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#F4F1EC;border-color:rgba(244,241,236,.42)}
.btn-ghost:hover{background:var(--orange-soft);color:var(--orange-press);border-color:var(--orange-soft)}
.btn-outline{background:transparent;color:var(--pine);border-color:var(--pine)}
.btn-outline:hover{background:var(--orange-soft);border-color:var(--orange);color:var(--orange-press)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--orange-press);
  transition:gap var(--t),color var(--t);
}
.link-arrow::after{content:"→";transition:transform var(--t)}
.link-arrow:hover{gap:10px}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:var(--pine);border-radius:0 0 28px 28px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.62;
}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,51,44,.74) 0%,rgba(22,51,44,.88) 62%,rgba(22,51,44,.94) 100%)}
.hero-track{position:absolute;left:0;right:0;bottom:38px;height:1px;background:rgba(244,241,236,.14)}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:48px;
  align-items:center;
  padding:104px 0 96px;
  min-height:560px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(214,242,74,.14);
  color:var(--lime);
  font-size:12.5px;
  letter-spacing:1px;
  border:1px solid rgba(214,242,74,.28);
}
.hero-dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero h1{
  margin-top:22px;
  color:#F4F1EC;
  font-size:44px;
  line-height:1.3;
  letter-spacing:-.5px;
  max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{
  margin-top:18px;
  max-width:34em;
  color:rgba(244,241,236,.82);
  font-size:16.5px;
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:32px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid rgba(244,241,236,.14);
}
.metric-num{font-size:26px;font-weight:800;color:#F4F1EC;font-variant-numeric:tabular-nums;line-height:1.2}
.metric-num span{font-size:14px;font-weight:600;color:var(--lime);margin-left:3px}
.metric-label{font-size:12.5px;color:rgba(244,241,236,.62);margin-top:4px;letter-spacing:.5px}
.quick-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(244,241,236,.16);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(2px);
}
.quick-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.quick-title{color:#F4F1EC;font-size:17px;font-weight:700}
.quick-badge{
  font-size:11.5px;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(214,242,74,.16);color:var(--lime);border:1px solid rgba(214,242,74,.3);
  white-space:nowrap;
}
.quick-list{margin-top:18px;display:grid;gap:14px}
.quick-item{display:flex;gap:12px;align-items:flex-start}
.quick-index{
  flex:0 0 26px;height:26px;border-radius:8px;
  background:var(--orange);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.quick-item strong{display:block;color:#F4F1EC;font-size:14.5px;font-weight:600}
.quick-item p{color:rgba(244,241,236,.66);font-size:13px;line-height:1.7}
.quick-foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(244,241,236,.14);font-size:12.5px;color:rgba(244,241,236,.58)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--pine);color:#F4F1EC}
.section-head{max-width:760px;margin-bottom:44px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:600;letter-spacing:1.6px;color:var(--orange-press);
  text-transform:uppercase;
}
.section-eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.section-dark .section-eyebrow{color:var(--lime)}
.section-dark .section-eyebrow::before{background:var(--lime)}
.section-title{margin-top:16px;font-size:32px;line-height:1.35;font-weight:700}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:15.5px;max-width:44em}
.section-dark .section-desc{color:rgba(244,241,236,.72)}
.section-dark .section-title{color:#F4F1EC}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- 痛点提问 ---------- */
.pain-list{display:grid;gap:0;border-top:1px solid var(--line)}
.pain-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  align-items:start;
  padding:26px 4px;
  border-bottom:1px solid var(--line);
  transition:background var(--t),padding-left var(--t);
}
.pain-item:hover{background:#fff;padding-left:16px}
.pain-no{
  font-size:22px;font-weight:800;color:var(--line);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.pain-q{font-size:19px;font-weight:600;line-height:1.5}
.pain-a{margin-top:6px;color:var(--ink-2);font-size:14.5px;max-width:60em}

/* ---------- 方案卡片 ---------- */
.plan-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
  overflow:hidden;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.plan-card.is-accent{
  background:var(--orange-soft);
  border-color:#F6D6C4;
}
.plan-card.is-dark{
  background:var(--pine);
  border-color:rgba(244,241,236,.16);
  color:#F4F1EC;
}
.plan-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.plan-no{
  font-size:44px;font-weight:800;line-height:1;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
  letter-spacing:-2px;
}
.is-dark .plan-no{color:var(--lime)}
.plan-icon{
  width:48px;height:48px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.is-dark .plan-icon{background:rgba(255,255,255,.06);border-color:rgba(244,241,236,.18)}
.plan-icon svg{width:22px;height:22px;stroke:var(--orange-press);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.is-dark .plan-icon svg{stroke:var(--lime)}
.plan-title{margin-top:20px;font-size:20px;font-weight:700;line-height:1.5}
.plan-text{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.is-dark .plan-text{color:rgba(244,241,236,.72)}
.plan-points{margin-top:18px;display:grid;gap:10px}
.plan-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.is-dark .plan-points li{color:rgba(244,241,236,.78)}
.plan-points li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:2px;background:var(--orange);border-radius:2px;
}
.is-dark .plan-points li::before{background:var(--lime)}
.plan-media{margin:22px -28px -28px;border-top:1px solid var(--line)}
.is-dark .plan-media{border-color:rgba(244,241,236,.14)}
.plan-media img{width:100%;height:150px;object-fit:cover}

/* ---------- 数据区 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:8px}
.stat-cell{
  border:1px solid rgba(244,241,236,.16);
  border-radius:var(--r-card);
  padding:26px 22px;
  background:rgba(255,255,255,.04);
}
.stat-num{
  font-size:48px;font-weight:800;line-height:1.05;color:#F4F1EC;
  font-variant-numeric:tabular-nums;letter-spacing:-1.5px;
}
.stat-num i{font-style:normal;color:var(--lime);font-size:22px;margin-left:4px;letter-spacing:0}
.stat-label{margin-top:10px;font-size:14px;color:rgba(244,241,236,.74)}
.stat-note{margin-top:26px;font-size:12.5px;color:rgba(244,241,236,.5)}

/* ---------- CMS 最新信息 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);margin-top:40px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
  min-height:100%;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--orange-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-thumb.is-placeholder{display:flex;align-items:center;justify-content:center}
.post-thumb.is-placeholder span{font-size:15px;font-weight:800;letter-spacing:2px;color:var(--orange-press)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--ink-3)}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--orange-soft);color:var(--orange-press);
  font-size:12px;font-weight:600;
}
.post-title{
  margin-top:12px;font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:2.9em;
}
.post-summary{
  margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.post-time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.empty-state{
  margin-top:40px;
  min-height:220px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:36px 20px;
}
.empty-icon{
  width:52px;height:52px;border-radius:14px;background:var(--orange-soft);
  display:flex;align-items:center;justify-content:center;
}
.empty-icon svg{width:24px;height:24px;stroke:var(--orange-press);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--ink-2);font-size:14.5px}

/* ---------- 表单 ---------- */
.assist-wrap{display:grid;grid-template-columns:1.25fr .85fr;gap:32px;align-items:start}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field .hint{font-size:12.5px;color:var(--ink-3)}
.field input,.field select,.field textarea{
  height:48px;
  padding:0 14px;
  border-radius:var(--r-ctrl);
  border:1px solid var(--line);
  background:var(--bg);
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;
  box-shadow:0 0 0 3px rgba(255,107,44,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);background:var(--err-soft)}
.field-error{font-size:12.5px;color:var(--err);display:none}
.field.has-error .field-error{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:18px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--orange);flex:0 0 auto}
.check-row label{font-size:13px;color:var(--ink-2);line-height:1.7}
.check-row a{color:var(--orange-press);text-decoration:underline;text-underline-offset:3px}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.form-actions .btn{flex:1 1 200px}
.alert{display:none;margin-top:18px;padding:14px 16px;border-radius:var(--r-ctrl);font-size:14px;line-height:1.75}
.alert.is-visible{display:block}
.alert-success{background:var(--ok-soft);border-left:3px solid var(--ok);color:#1F6B49}
.alert-error{background:var(--err-soft);border-left:3px solid var(--err);color:#8E2721}
.side-note{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
}
.side-note h3{font-size:17px}
.side-note ul{margin-top:16px;display:grid;gap:14px}
.side-note li{font-size:13.5px;color:var(--ink-2);padding-left:16px;position:relative;line-height:1.8}
.side-note li::before{content:"";position:absolute;left:0;top:.66em;width:7px;height:7px;border-radius:50%;background:var(--orange)}
.side-note .side-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3)}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;
  background:rgba(22,51,44,.55);
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  opacity:0;pointer-events:none;transition:opacity 200ms ease-out;
}
.modal-mask.is-open{opacity:1;pointer-events:auto}
.modal-panel{
  width:100%;max-width:480px;
  background:var(--card);
  border-radius:20px;
  padding:28px;
  max-height:90vh;overflow:auto;
  transform:translateY(14px);opacity:.6;
  transition:transform 200ms ease-out,opacity 200ms ease-out;
  box-shadow:0 24px 48px rgba(22,51,44,.28);
}
.modal-mask.is-open .modal-panel{transform:translateY(0);opacity:1}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.modal-head h2{font-size:20px;line-height:1.5}
.modal-head p{margin-top:6px;font-size:13.5px;color:var(--ink-2)}
.modal-close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2);
  transition:background var(--t),color var(--t);
  flex:0 0 auto;
}
.modal-close:hover{background:var(--orange-soft);color:var(--orange-press)}

/* ---------- 隐私说明 ---------- */
.privacy-band{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:44px 0;
}
.privacy-inner{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start}
.privacy-inner h2{font-size:20px;line-height:1.5}
.privacy-inner .privacy-sub{margin-top:8px;font-size:13px;color:var(--ink-3)}
.privacy-list{display:grid;gap:14px}
.privacy-list li{font-size:14px;color:var(--ink-2);padding-left:18px;position:relative;line-height:1.85}
.privacy-list li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:2px;background:var(--orange);border-radius:2px}
.privacy-list a{color:var(--orange-press);text-decoration:underline;text-underline-offset:3px}

/* ---------- FAQ ---------- */
.faq-list{margin-top:36px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;
  transition:color var(--t);
}
.faq-q:hover{color:var(--orange-press)}
.faq-sign{
  flex:0 0 26px;height:26px;border-radius:8px;
  border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--orange-press);line-height:1;
  transition:transform var(--t),background var(--t);
}
.faq-item.is-open .faq-sign{background:var(--orange);color:#fff;transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 180ms ease-out;
}
.faq-a-inner{padding:0 4px 24px 52px;color:var(--ink-2);font-size:14.5px;line-height:1.9}
.faq-a-inner p + p{margin-top:12px}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--pine);
  color:#F4F1EC;
  border-radius:24px;
  padding:52px 44px;
  display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  border:1px solid rgba(244,241,236,.12);border-radius:50%;
}
.cta-band h2{font-size:28px;line-height:1.4;color:#F4F1EC}
.cta-band p{margin-top:14px;color:rgba(244,241,236,.74);font-size:15px;max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--pine);color:#F4F1EC;margin-top:88px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand-mark{color:#F4F1EC;font-size:18px}
.footer-brand .brand-sub{color:rgba(244,241,236,.55)}
.footer-brand p{margin-top:16px;font-size:13.5px;color:rgba(244,241,236,.66);line-height:1.9;max-width:30em}
.footer-col h3{font-size:14px;letter-spacing:1px;color:var(--lime);font-weight:700}
.footer-col ul{margin-top:16px;display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(244,241,236,.78);transition:color var(--t)}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:13.5px;color:rgba(244,241,236,.66);line-height:1.9}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(244,241,236,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(244,241,236,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-primary{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:84px 0 76px;min-height:auto}
  .hero h1{font-size:36px}
  .section{padding:64px 0}
  .section-title{font-size:27px}
  .grid-4,.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .assist-wrap{grid-template-columns:1fr}
  .privacy-inner{grid-template-columns:1fr;gap:20px}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .site-header{padding:10px 0 6px}
  .nav-shell{height:56px;padding:0 8px 0 14px}
  .brand-mark{font-size:15.5px}
  .brand-sub{font-size:10px;letter-spacing:2px}
  .hero{border-radius:0 0 20px 20px}
  .hero-inner{padding:64px 0 60px}
  .hero h1{font-size:28px;line-height:1.35}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-metrics{gap:20px}
  .metric-num{font-size:22px}
  .quick-card{padding:20px}
  .section{padding:48px 0}
  .section-head{margin-bottom:30px}
  .section-title{font-size:23px}
  .grid-2,.grid-3,.grid-4,.post-grid,.stat-grid{grid-template-columns:1fr}
  .pain-item{grid-template-columns:40px 1fr;gap:14px;padding:20px 2px}
  .pain-q{font-size:17px}
  .plan-card{padding:22px}
  .plan-media{margin:18px -22px -22px}
  .stat-num{font-size:38px}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .form-actions .btn{flex:1 1 100%}
  .faq-a-inner{padding-left:4px}
  .privacy-band{padding:36px 0}
  .cta-band{border-radius:18px;padding:32px 22px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{flex:1 1 100%}
  .site-footer{margin-top:60px;padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:479px){
  .hero h1{font-size:25px}
  .btn{padding:13px 22px;font-size:14.5px}
  .hero-track{display:none}
  .post-body{padding:16px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --color-primary:#FF6B2C;
  --color-primary-press:#E2541A;
  --color-primary-soft:#FFF1E9;
  --color-deep:#16332C;
  --color-deep-2:#1E4239;
  --color-lime:#D6F24A;
  --color-bg:#F7F5F2;
  --color-surface:#FFFFFF;
  --color-surface-alt:#EFEBE5;
  --color-text:#1A1D1C;
  --color-text-sub:#5A615E;
  --color-text-weak:#8B918E;
  --color-border:#E3DED7;
  --color-success:#2E9E6B;
  --color-success-soft:#E7F5EE;
  --color-warn:#C8892A;
  --color-warn-soft:#FBF2E2;
  --color-error:#D8443C;
  --color-error-soft:#FCECEA;
  --color-on-deep:#F4F1EC;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(26,29,28,.04),0 8px 24px rgba(26,29,28,.06);
  --shadow-hover:0 12px 32px rgba(26,29,28,.10);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--color-text);
  background:var(--color-bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.34;font-weight:700;letter-spacing:-.2px;text-wrap:pretty}
p{margin:0;text-wrap:pretty}
:focus-visible{outline:3px solid rgba(255,107,44,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;padding:16px 0 0;transition:padding .2s ease}
.site-header.is-scrolled{padding-top:8px}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:62px;padding:8px 12px 8px 20px;
  border:1px solid var(--color-border);border-radius:var(--radius-pill);
  background:rgba(247,245,242,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.brand{display:flex;flex-direction:column;gap:1px;line-height:1.15;flex:none}
.brand-mark{font-size:15px;font-weight:800;letter-spacing:.09em}
.brand-sub{font-size:12px;letter-spacing:.16em;color:var(--color-text-sub)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--color-text-sub);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--color-text);background:var(--color-primary-soft)}
.nav-link.is-active{color:var(--color-text);background:var(--color-primary-soft);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;width:18px;height:2px;
  border-radius:2px;background:var(--color-primary);transform:translateX(-50%);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-pill);
  border:1px solid var(--color-border);background:var(--color-surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--color-text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  min-height:44px;
}
.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 6px 18px rgba(255,107,44,.24)}
.btn-primary:hover{background:var(--color-primary-press);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,44,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--color-deep);border:1px solid var(--color-deep)}
.btn-ghost:hover{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary-press)}
.btn-light{background:var(--color-on-deep);color:var(--color-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:var(--color-on-deep);border:1px solid rgba(244,241,236,.4)}
.btn-outline-light:hover{background:rgba(244,241,236,.12)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--color-primary-press);
  font-weight:600;font-size:14px;padding:6px 0;
}
.btn-text .arrow{transition:transform .18s ease}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--color-primary-soft);color:var(--color-primary-press);
}
.badge-deep{background:rgba(214,242,74,.18);color:var(--color-lime)}
.badge-lime{background:var(--color-lime);color:#243009}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--color-text-weak)}

/* ---------- 文章页头 ---------- */
.article-hero{
  position:relative;
  margin-top:18px;
  padding:44px 0 110px;
  color:var(--color-on-deep);
  border-radius:0 0 0 0;
  background:
    linear-gradient(100deg,rgba(22,51,44,.92) 8%,rgba(22,51,44,.72) 58%,rgba(22,51,44,.82) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:34px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(214,242,74,.45),transparent);
}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(244,241,236,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(244,241,236,.9);transition:color .18s ease}
.breadcrumb a:hover{color:var(--color-lime)}
.breadcrumb .sep{color:var(--color-primary)}
.breadcrumb .current{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(244,241,236,.65)}
.article-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.3;letter-spacing:-.5px;max-width:22ch;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-hero .lead{margin-top:14px;font-size:15px;color:rgba(244,241,236,.78);max-width:60ch}
.hero-meta{margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(244,241,236,.75)}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(244,241,236,.4)}

/* ---------- 文章外壳 ---------- */
.article-shell{position:relative;margin-top:-70px;z-index:2;padding-bottom:8px}
.article-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:46px 48px 40px;
}
.article-body{max-width:740px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--color-text);overflow-wrap:break-word}
.article-body > * + *{margin-top:1.05em}
.article-body > p:first-child{
  font-size:17px;font-weight:600;line-height:1.85;color:#111514;
  padding-left:16px;border-left:4px solid var(--color-primary);
}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;margin-top:2em;margin-bottom:.6em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--color-primary);
}
.article-body h3{font-size:19px;margin-top:1.7em;margin-bottom:.5em;color:var(--color-deep)}
.article-body h4{font-size:16px;margin-top:1.4em;color:var(--color-deep)}
.article-body p{margin:0}
.article-body a{color:var(--color-primary-press);border-bottom:1px solid rgba(255,107,44,.35);transition:border-color .18s ease,color .18s ease}
.article-body a:hover{color:var(--color-primary);border-color:var(--color-primary)}
.article-body strong{font-weight:700;color:#111514}
.article-body ul,.article-body ol{padding-left:1.35em}
.article-body li{margin:.45em 0}
.article-body ul li::marker{color:var(--color-primary)}
.article-body ol li::marker{color:var(--color-primary);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--color-primary-soft);
  border-left:4px solid var(--color-primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#3B3229;
}
.article-body blockquote p{margin:0}
.article-body figure{margin:1.8em 0}
.article-body figure img{border-radius:var(--radius-img);width:100%}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--color-text-weak);text-align:center;line-height:1.6}
.article-body code{
  background:var(--color-surface-alt);border:1px solid var(--color-border);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body pre{
  background:var(--color-deep);color:var(--color-on-deep);
  padding:18px 20px;border-radius:var(--radius-sm);overflow-x:auto;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;font-size:14.5px}
.article-body thead th{background:var(--color-primary-soft);color:#7A3510;text-align:left;font-weight:700}
.article-body th,.article-body td{border:1px solid var(--color-border);padding:10px 14px;white-space:nowrap}
.article-body hr{border:0;height:1px;background:var(--color-border);margin:2em 0}
.article-body img{border-radius:var(--radius-img)}

.article-foot{
  max-width:740px;margin:40px auto 0;padding-top:26px;border-top:1px solid var(--color-border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--color-surface-alt);color:var(--color-text-sub);font-size:12.5px;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--color-primary-soft);color:var(--color-primary-press)}
.icon-actions{display:flex;gap:8px}
.icon-btn{
  display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 14px;
  border:1px solid var(--color-border);border-radius:var(--radius-pill);
  font-size:13.5px;color:var(--color-text-sub);background:var(--color-surface);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--color-primary);color:var(--color-primary-press);background:var(--color-primary-soft)}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:40px 20px;
  background:var(--color-surface-alt);border-radius:var(--radius-card);
}
.empty-state .empty-icon{
  width:54px;height:54px;border-radius:var(--radius-pill);
  display:flex;align-items:center;justify-content:center;
  background:var(--color-primary-soft);color:var(--color-primary-press);font-size:22px;font-weight:800;
}
.empty-state p{font-size:15px;color:var(--color-text-sub);max-width:42ch}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--color-surface-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-title{display:flex;flex-direction:column;gap:10px}
.section-title .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--color-primary-press);
}
.section-title .kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--color-primary)}
.section-title h2{font-size:32px}
.section-title p{font-size:15px;color:var(--color-text-sub);max-width:56ch}

/* ---------- 推荐卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.card{
  display:flex;flex-direction:column;
  background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D1C8}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--color-primary-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:var(--color-primary-soft);color:var(--color-primary-press);
  font-weight:800;letter-spacing:.14em;font-size:14px;
}
.card-body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3em;
}
.card-body p{
  font-size:14px;color:var(--color-text-sub);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .card-link{margin-top:auto}

/* ---------- 登录问题表单 ---------- */
.form-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.form-card{
  background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:32px;
}
.form-card h3{font-size:20px;margin-bottom:8px}
.form-card > p{font-size:14px;color:var(--color-text-sub);margin-bottom:22px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--color-text)}
.field .hint{font-size:12.5px;color:var(--color-text-weak)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--color-border);border-radius:var(--radius-sm);
  background:var(--color-bg);font-size:16px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--color-primary);
  box-shadow:0 0 0 3px rgba(255,107,44,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--color-error)}
.field .error-text{display:none;font-size:13px;color:var(--color-error)}
.field.has-error .error-text{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--color-text-sub);margin:6px 0 20px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--color-primary)}
.alert{display:flex;gap:10px;padding:12px 14px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:18px}
.alert-success{background:var(--color-success-soft);border-left:3px solid var(--color-success);color:#1E6B49}
.alert-error{background:var(--color-error-soft);border-left:3px solid var(--color-error);color:#8F2A24}
.side-notes{display:flex;flex-direction:column;gap:14px}
.note-item{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-card);
}
.note-item strong{display:block;font-size:15px;margin-bottom:6px}
.note-item p{font-size:13.5px;color:var(--color-text-sub);line-height:1.75}
.note-item.deep{background:var(--color-deep);color:var(--color-on-deep);border-color:rgba(244,241,236,.14)}
.note-item.deep strong{color:#fff}
.note-item.deep p{color:rgba(244,241,236,.75)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
  background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:#F0C4AA;box-shadow:var(--shadow-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--color-text);
}
.faq-q .sign{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--color-primary-soft);color:var(--color-primary-press);
  font-size:16px;line-height:1;transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q .sign{background:var(--color-primary);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a-inner{padding:0 24px 22px 56px;font-size:14.5px;color:var(--color-text-sub);line-height:1.85}

/* ---------- 隐私说明条 ---------- */
.privacy-bar{background:var(--color-surface-alt);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);padding:34px 0}
.privacy-bar h2{font-size:19px;margin-bottom:10px}
.privacy-bar p{font-size:14px;color:var(--color-text-sub);max-width:80ch}
.privacy-bar ul{margin:12px 0 0;display:flex;flex-wrap:wrap;gap:10px 26px}
.privacy-bar li{font-size:13.5px;color:var(--color-text-sub);list-style:none;display:flex;align-items:center;gap:8px}
.privacy-bar li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-primary);flex:none}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(22,51,44,.55);
}
.modal-mask.is-open{display:flex}
.modal-panel{
  width:100%;max-width:480px;max-height:88vh;overflow-y:auto;
  background:var(--color-surface);border-radius:20px;padding:28px;
  box-shadow:0 24px 60px rgba(22,51,44,.28);
  animation:panelIn .2s ease-out;
}
@keyframes panelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.modal-head h3{font-size:19px}
.modal-close{
  width:38px;height:38px;flex:none;border-radius:50%;
  border:1px solid var(--color-border);background:var(--color-bg);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--color-text-sub);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.modal-close:hover{background:var(--color-primary-soft);color:var(--color-primary-press);border-color:var(--color-primary)}
.modal-sub{font-size:13.5px;color:var(--color-text-sub);margin-bottom:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--color-deep);color:var(--color-on-deep);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;flex-direction:column;gap:4px}
.footer-brand .brand-mark{font-size:16px;font-weight:800;letter-spacing:.09em;color:#fff}
.footer-brand .brand-sub{font-size:12px;letter-spacing:.16em;color:var(--color-lime)}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.85;color:rgba(244,241,236,.72);max-width:42ch}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{list-style:none}
.footer-col a{font-size:13.5px;color:rgba(244,241,236,.74);transition:color .18s ease}
.footer-col a:hover{color:var(--color-lime)}
.footer-col p{font-size:13.5px;color:rgba(244,241,236,.72);line-height:1.85;margin-bottom:10px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(244,241,236,.14);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(244,241,236,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .header-inner{padding-right:8px}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;left:16px;right:16px;top:86px;z-index:100;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    background:var(--color-surface);border:1px solid var(--color-border);
    border-radius:20px;padding:14px;box-shadow:0 18px 48px rgba(22,51,44,.18);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:13px 16px;font-size:15px;border-radius:var(--radius-sm)}
  .nav-link.is-active::after{display:none}
  .header-actions .btn{display:none}
  .section{padding:64px 0}
  .section-title h2{font-size:27px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-card{padding:34px 28px 30px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .article-hero{padding:30px 0 96px;margin-top:10px}
  .article-hero h1{max-width:100%;font-size:28px}
  .breadcrumb .current{max-width:26ch}
  .article-card{padding:26px 18px 24px;border-radius:14px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body > p:first-child{font-size:16.5px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:17.5px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .section{padding:48px 0}
  .section-title h2{font-size:23px}
  .card-grid{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .nav-links{top:80px}
}
@media (max-width:479px){
  .btn{width:100%}
  .btn-text{width:auto}
  .icon-actions{width:100%}
  .icon-btn{flex:1}
  .article-hero::after{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --orange:#FF6B2C;
  --orange-press:#E2541A;
  --orange-soft:#FFF1E9;
  --green:#16332C;
  --green-2:#1F453B;
  --lemon:#D6F24A;
  --bg:#F7F5F2;
  --surface:#FFFFFF;
  --alt:#EFEBE5;
  --text:#1A1D1C;
  --text-2:#5A615E;
  --text-3:#8B918E;
  --line:#E3DED7;
  --ok:#2E9E6B;
  --ok-soft:#E7F5EE;
  --warn:#C8892A;
  --warn-soft:#FBF3E2;
  --err:#D8443C;
  --err-soft:#FBEBEA;
  --r-card:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(26,29,28,.04),0 8px 24px rgba(26,29,28,.06);
  --shadow-hover:0 12px 32px rgba(26,29,28,.10);
  --container:1200px;
  --pad:24px;
  --dark-line:rgba(244,241,236,.14);
  --dark-surface:rgba(255,255,255,.04);
  --light-text:#F4F1EC;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  text-wrap:pretty;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.2px}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.3;letter-spacing:-.5px}
h2{font-size:clamp(23px,3vw,32px);margin-bottom:18px}
h3{font-size:clamp(18px,2vw,20px);font-weight:600;line-height:1.5}
::selection{background:var(--orange);color:#fff}
:focus-visible{outline:3px solid rgba(255,107,44,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.section{padding:88px 0}
.section-alt{background:var(--alt)}
.section-dark{background:var(--green);color:var(--light-text)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--orange);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block}
.section-head p{color:var(--text-2);font-size:15.5px;margin-top:10px;max-width:680px}
.section-dark .section-head p{color:rgba(244,241,236,.72)}
.section-dark .section-head .eyebrow{color:var(--lemon)}
.section-dark .section-head .eyebrow::before{background:var(--lemon)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;min-height:44px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,107,44,.24)}
.btn-primary:hover{background:var(--orange-press);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,44,.30)}
.btn-primary:active{background:var(--orange-press);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--orange-soft);border-color:var(--orange);color:var(--orange-press)}
.btn-outline-light{background:transparent;color:var(--light-text);border-color:var(--dark-line)}
.btn-outline-light:hover{background:var(--dark-surface);border-color:var(--lemon);color:var(--lemon)}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--orange);font-size:15px;transition:gap .18s ease,color .18s ease}
.text-link::after{content:"→";transition:transform .18s ease}
.text-link:hover{gap:10px;color:var(--orange-press)}
.text-link:hover::after{transform:translateX(2px)}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--orange-soft);color:var(--orange-press);line-height:1.7}
.badge-lemon{background:rgba(214,242,74,.18);color:var(--lemon)}
.badge-ok{background:var(--ok-soft);color:var(--ok)}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-3)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:16px var(--pad) 8px;margin-bottom:-86px;pointer-events:none}
.nav-shell{
  pointer-events:auto;max-width:var(--container);margin:0 auto;height:62px;
  display:flex;align-items:center;gap:16px;padding:0 12px 0 20px;
  background:rgba(247,245,242,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--shadow);
}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;padding-right:6px}
.brand-mark{font-size:16px;font-weight:800;letter-spacing:.12em;color:var(--green)}
.brand-sub{font-size:11px;font-weight:600;color:var(--orange);letter-spacing:.28em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:color .18s ease,background-color .18s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--green);background:rgba(22,51,44,.05)}
.nav-link.is-active{color:var(--orange-press);background:var(--orange-soft)}
.nav-link.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:20px;height:2px;border-radius:2px;background:var(--orange)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{
  pointer-events:auto;position:fixed;inset:0;z-index:90;background:rgba(22,51,44,.55);
  display:none;align-items:flex-start;justify-content:center;padding:96px 20px 24px;
}
.mobile-nav.is-open{display:flex}
.mobile-panel{
  width:100%;max-width:420px;background:var(--bg);border:1px solid var(--line);border-radius:20px;
  padding:18px;box-shadow:var(--shadow-hover);animation:panelIn .2s ease-out;
}
@keyframes panelIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
.mobile-panel .mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mobile-panel a.mobile-link{
  display:block;padding:14px 16px;border-radius:var(--r-md);font-weight:600;color:var(--text);
  border:1px solid transparent;transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.mobile-panel a.mobile-link:hover,.mobile-panel a.mobile-link.is-active{background:var(--orange-soft);color:var(--orange-press);border-color:rgba(255,107,44,.24)}
.mobile-panel .mobile-cta{margin-top:14px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--orange-soft);color:var(--orange-press);border-color:rgba(255,107,44,.28)}

/* ============ 页头 / Hero ============ */
.page-hero{
  position:relative;margin-top:0;padding:172px 0 76px;color:var(--light-text);
  background:
    linear-gradient(180deg,rgba(22,51,44,.82) 0%,rgba(22,51,44,.62) 45%,rgba(22,51,44,.88) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--dark-line);
}
.hero-inner{max-width:820px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(244,241,236,.72);margin-bottom:18px}
.crumbs a{color:rgba(244,241,236,.72);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.crumbs a:hover{color:var(--lemon);border-color:var(--lemon)}
.crumbs .sep{color:var(--orange)}
.page-hero h1{color:#fff;margin-bottom:16px;max-width:760px}
.page-hero .hero-sub{font-size:17px;color:rgba(244,241,236,.82);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px}
.hero-metric{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:var(--dark-surface);border:1px solid var(--dark-line);
  font-size:13px;color:rgba(244,241,236,.78);backdrop-filter:blur(4px);
}
.hero-metric strong{font-size:18px;font-weight:800;color:var(--lemon);font-variant-numeric:tabular-nums}

/* ============ 目录式布局 ============ */
.toc-layout{display:grid;grid-template-columns:240px 1fr;gap:56px;align-items:start}
.toc{position:sticky;top:104px}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}
.toc ul{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line)}
.toc a{
  display:block;padding:8px 0 8px 16px;font-size:14.5px;font-weight:600;color:var(--text-2);
  border-left:2px solid transparent;margin-left:-1px;transition:color .18s ease,border-color .18s ease,background-color .18s ease;
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.toc a:hover{color:var(--orange-press);border-left-color:var(--orange);background:rgba(255,107,44,.06)}
.toc a.is-current{color:var(--orange-press);border-left-color:var(--orange);background:var(--orange-soft)}
.toc-note{
  margin-top:22px;padding:16px;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--line);font-size:13px;line-height:1.75;color:var(--text-2);
}
.toc-note strong{display:block;color:var(--text);font-size:13.5px;margin-bottom:6px}

.doc-flow{max-width:760px}
.doc-block{padding-bottom:8px}
.doc-block + .doc-block{
  position:relative;margin-top:52px;padding-top:52px;
}
.doc-block + .doc-block::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 14px,transparent 14px 26px);
}
.doc-block + .doc-block::after{
  content:"";position:absolute;top:-1px;left:0;width:72px;height:2px;background:var(--orange);border-radius:2px;
}
.doc-block h2{margin-bottom:14px}
.doc-block .lead{font-size:17px;font-weight:600;color:var(--text);line-height:1.8}
.doc-block p{color:var(--text-2)}
.doc-figure{margin:24px 0 26px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.doc-figure:hover img{transform:scale(1.02)}
.doc-figure figcaption{font-size:13px;color:var(--text-3);padding:10px 16px;border-top:1px solid var(--line);background:var(--surface)}
.check-list{display:flex;flex-direction:column;gap:12px;margin:22px 0}
.check-list li{position:relative;padding-left:30px;color:var(--text-2);font-size:15.5px}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:8px;border-left:2px solid var(--orange);
  border-bottom:2px solid var(--orange);transform:rotate(-45deg);border-radius:1px;
}
.step-list{counter-reset:step;display:flex;flex-direction:column;gap:16px;margin:22px 0}
.step-list li{counter-increment:step;position:relative;padding:18px 20px 18px 60px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md)}
.step-list li::before{
  content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:16px;
  font-size:15px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step-list li strong{display:block;font-size:15.5px;margin-bottom:4px}
.step-list li span{color:var(--text-2);font-size:14.5px}
.callout{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--orange);background:var(--orange-soft);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);font-size:15px;
}
.callout strong{color:var(--orange-press)}

/* ============ 数据区 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  padding:26px 24px;border-radius:var(--r-card);background:var(--dark-surface);border:1px solid var(--dark-line);
  transition:border-color .18s ease,transform .18s ease;
}
.stat-card:hover{border-color:rgba(214,242,74,.42);transform:translateY(-2px)}
.stat-num{font-size:clamp(34px,4vw,48px);font-weight:800;color:var(--lemon);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.stat-label{margin-top:10px;font-size:14px;font-weight:600;color:var(--light-text)}
.stat-desc{margin-top:6px;font-size:13px;color:rgba(244,241,236,.66);line-height:1.7}
.stats-note{margin-top:28px;font-size:13px;color:rgba(244,241,236,.6);border-top:1px solid var(--dark-line);padding-top:18px}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D2C9}
.card-media{position:relative;overflow:hidden;background:var(--orange-soft)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.card-foot{margin-top:auto;padding-top:6px}

/* ============ FAQ ============ */
.faq-list{max-width:840px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease}
.faq-item + .faq-item{margin-top:12px}
.faq-item.is-open{border-color:rgba(255,107,44,.36)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--orange-press)}
.faq-q h3{font-size:16px;font-weight:600;margin:0}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;color:var(--orange);
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--orange);color:#fff;border-color:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease-out}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a-inner{padding:0 24px 22px 24px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid transparent}
.faq-item.is-open .faq-a-inner{border-top-color:var(--line)}

/* ============ 表单 / CTA ============ */
.cta-grid{display:grid;grid-template-columns:1fr 460px;gap:56px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow);
}
.form-card h3{margin-bottom:6px}
.form-card .form-note{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;padding:0 14px;height:48px;font-size:16px;font-family:inherit;color:var(--text);
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(255,107,44,.22);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);background:var(--err-soft)}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.check-row input{width:18px;height:18px;flex:0 0 auto;margin-top:4px;accent-color:var(--orange)}
.check-row a{color:var(--orange);border-bottom:1px solid rgba(255,107,44,.4)}
.check-row a:hover{color:var(--orange-press)}
.alert{display:none;padding:12px 16px;border-radius:var(--r-sm);font-size:14px;margin-bottom:16px;border-left:4px solid transparent}
.alert.is-show{display:block}
.alert-error{background:var(--err-soft);border-left-color:var(--err);color:#8C2A24}
.alert-success{background:var(--ok-soft);border-left-color:var(--ok);color:#1C6B47}
.assist-points{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.assist-points li{
  padding:14px 18px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--text-2);line-height:1.75;
}
.assist-points li strong{display:block;color:var(--text);font-size:14.5px;margin-bottom:4px}

/* ============ 弹层 ============ */
.modal{
  position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(22,51,44,.55);
}
.modal.is-open{display:flex}
.modal-panel{
  width:100%;max-width:480px;max-height:90vh;overflow-y:auto;background:var(--surface);
  border-radius:20px;padding:26px;box-shadow:var(--shadow-hover);animation:modalIn .2s ease-out;
}
@keyframes modalIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}
.modal-head h3{margin-bottom:4px}
.modal-head p{font-size:13.5px;color:var(--text-3);margin:0}

/* ============ 隐私说明 ============ */
.privacy-bar{
  background:var(--alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;
}
.privacy-inner{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start}
.privacy-inner h2{font-size:20px;margin-bottom:8px}
.privacy-inner p{font-size:14px;color:var(--text-2)}
.privacy-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.privacy-list li{font-size:14px;color:var(--text-2);line-height:1.8;padding-left:16px;position:relative}
.privacy-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* ============ 空态 / 骨架 / 提示条 ============ */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);text-align:center;padding:32px;
}
.empty-state .empty-icon{width:52px;height:52px;border-radius:50%;background:var(--orange-soft);color:var(--orange);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.empty-state p{color:var(--text-3);font-size:14px;margin:0}
.skeleton{background:linear-gradient(90deg,var(--alt) 25%,#E6E1DA 37%,var(--alt) 63%);background-size:400% 100%;animation:skeleton 1.4s ease infinite;border-radius:var(--r-sm)}
@keyframes skeleton{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:var(--light-text);padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-mark{color:#fff;display:block;font-size:20px}
.footer-brand .brand-sub{color:var(--lemon);display:block;margin-bottom:14px}
.footer-brand p{font-size:14px;color:rgba(244,241,236,.7);line-height:1.85;max-width:340px}
.footer-col h3{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li,.footer-col p{font-size:14px;color:rgba(244,241,236,.7);line-height:1.8;margin:0 0 8px}
.footer-col a{color:rgba(244,241,236,.7);transition:color .18s ease}
.footer-col a:hover{color:var(--lemon)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--dark-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(244,241,236,.6);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:var(--r-pill);
  background:var(--green);color:var(--light-text);border:1px solid rgba(244,241,236,.14);
  display:none;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--shadow);
  transition:background-color .18s ease,transform .18s ease;
}
.to-top.is-show{display:inline-flex}
.to-top:hover{background:var(--orange);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1180px){
  .nav-link{padding:9px 10px;font-size:14px}
  .cta-grid{grid-template-columns:1fr 420px;gap:40px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-shell{justify-content:space-between;padding:0 10px 0 18px}
  .toc-layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static;display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface)}
  .toc-title{display:none}
  .toc ul{flex-direction:row;flex-wrap:wrap;gap:8px;border-left:0}
  .toc a{padding:8px 14px;border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);margin:0;font-size:13.5px}
  .toc a:hover,.toc a.is-current{border-color:var(--orange);background:var(--orange-soft)}
  .toc-note{flex:1 1 100%;margin-top:4px}
  .doc-flow{max-width:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .privacy-inner{grid-template-columns:1fr;gap:20px}
  .privacy-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:150px 0 60px}
}
@media (max-width:767px){
  :root{--pad:16px}
  .section{padding:48px 0}
  body{font-size:15.5px}
  .page-hero{padding:132px 0 48px}
  .page-hero .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-metric{flex:1 1 calc(50% - 7px);justify-content:center}
  h2{margin-bottom:14px}
  .stats-grid{grid-template-columns:1fr;gap:16px}
  .card-grid{grid-template-columns:1fr}
  .card-body{padding:18px}
  .doc-block + .doc-block{margin-top:40px;padding-top:40px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
  .form-card{padding:20px}
  .privacy-bar{padding:32px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
  .modal{padding:16px}
}
@media (max-width:479px){
  .brand-mark{font-size:14px}
  .brand-sub{font-size:10px;letter-spacing:.2em}
  .nav-shell{height:56px}
  .site-header{padding:12px var(--pad) 6px;margin-bottom:-74px}
  .page-hero{padding:120px 0 42px}
  .btn{padding:12px 20px;font-size:14.5px}
  .hero-metric{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --primary:#FF6B2C;
    --primary-press:#E2541A;
    --primary-soft:#FFF1E9;
    --deep:#16332C;
    --deep-2:#1E4238;
    --lemon:#D6F24A;
    --bg:#F7F5F2;
    --surface:#FFFFFF;
    --alt:#EFEBE5;
    --text:#1A1D1C;
    --text-2:#5A615E;
    --text-3:#8B918E;
    --line:#E3DED7;
    --ok:#2E9E6B;
    --ok-soft:#E8F6EF;
    --warn:#C8892A;
    --warn-soft:#FBF3E3;
    --err:#D8443C;
    --err-soft:#FBECEA;
    --r-card:16px;
    --r-sm:10px;
    --r-img:14px;
    --r-pill:999px;
    --shadow-sm:0 1px 2px rgba(26,29,28,.04),0 8px 24px rgba(26,29,28,.06);
    --shadow-lg:0 12px 32px rgba(26,29,28,.10);
    --sec-pad:88px;
    --on-dark:#F4F1EC;
    --line-dark:rgba(244,241,236,.14);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--bg);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  figure{margin:0;}
  h1,h2,h3,h4{margin:0;}
  p{margin:0;}
  h1{font-size:44px;font-weight:700;letter-spacing:-.5px;line-height:1.3;text-wrap:pretty;}
  h2{font-size:32px;font-weight:700;letter-spacing:-.3px;line-height:1.35;}
  h3{font-size:20px;font-weight:600;line-height:1.5;}
  :focus-visible{outline:3px solid rgba(255,107,44,.35);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ============ 导航 ============ */
  .site-header{position:sticky;top:0;z-index:80;padding:16px 0;transition:padding .2s ease;}
  .site-header.is-scrolled{padding:8px 0;}
  .nav-shell{
    position:relative;
    display:flex;
    align-items:center;
    gap:20px;
    height:62px;
    padding:0 12px 0 22px;
    border-radius:var(--r-pill);
    background:rgba(247,245,242,.82);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    box-shadow:0 1px 2px rgba(26,29,28,.04),0 10px 26px rgba(26,29,28,.07);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled .nav-shell{box-shadow:0 8px 24px rgba(26,29,28,.12);}
  .brand{display:inline-flex;align-items:baseline;gap:7px;flex:none;white-space:nowrap;}
  .brand-mark{font-size:17px;font-weight:800;letter-spacing:.07em;color:var(--deep);}
  .brand-sub{font-size:13px;font-weight:600;color:var(--primary-press);letter-spacing:.02em;}
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:9px 14px;
    border-radius:var(--r-pill);
    font-size:14.5px;
    color:var(--text-2);
    transition:color .18s ease,background-color .18s ease;
  }
  .nav-link:hover{color:var(--text);background:var(--primary-soft);}
  .nav-link.is-active{color:var(--primary-press);background:var(--primary-soft);font-weight:600;}
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
  .nav-toggle{
    display:none;
    width:44px;height:44px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:var(--surface);
    color:var(--text);
    font-size:13px;
    font-weight:600;
    line-height:1;
  }
  .nav-toggle:hover{border-color:var(--primary);color:var(--primary-press);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:14px 28px;
    border-radius:var(--r-pill);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.26);}
  .btn-primary:hover{background:var(--primary-press);transform:translateY(-1px);box-shadow:0 12px 26px rgba(226,84,26,.28);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:rgba(22,51,44,.28);color:var(--deep);}
  .btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-press);}
  .btn-light{background:transparent;border-color:rgba(244,241,236,.38);color:var(--on-dark);}
  .btn-light:hover{background:rgba(244,241,236,.12);border-color:var(--lemon);color:var(--lemon);}
  .btn-sm{padding:9px 18px;font-size:14px;min-height:38px;}
  .btn-block{width:100%;}
  .btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-press);transition:gap .18s ease,color .18s ease;}
  .link-arrow::after{content:"→";transition:transform .18s ease;}
  .link-arrow:hover{gap:10px;color:var(--primary);}

  /* ============ 通用板块 ============ */
  .section{padding:var(--sec-pad) 0;}
  .section--alt{background:var(--alt);}
  .section--tight{padding:calc(var(--sec-pad) * .7) 0;}
  .sec-head{display:flex;flex-direction:column;gap:10px;margin-bottom:40px;max-width:760px;}
  .sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary-press);}
  .sec-kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--primary);}
  .sec-desc{font-size:15px;color:var(--text-2);line-height:1.8;max-width:660px;}

  /* ============ Hero ============ */
  .hero-zone{padding:24px 0 0;}
  .hero{
    position:relative;
    overflow:hidden;
    border-radius:24px;
    min-height:460px;
    display:flex;
    align-items:center;
    padding:64px 56px;
    color:var(--on-dark);
    background-image:url("/assets/images/backpic/back-1.png");
    background-size:cover;
    background-position:center;
  }
  .hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(115deg,rgba(22,51,44,.95) 0%,rgba(22,51,44,.82) 46%,rgba(22,51,44,.55) 100%);
  }
  .hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:20px;max-width:720px;}
  .hero-badge{
    align-self:flex-start;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:var(--r-pill);
    background:rgba(214,242,74,.16);
    border:1px solid rgba(214,242,74,.42);
    color:var(--lemon);
    font-size:13px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .hero h1{color:#FFFFFF;}
  .hero-sub{font-size:17px;line-height:1.8;color:rgba(244,241,236,.86);max-width:580px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}
  .hero-metrics{
    display:flex;
    flex-wrap:wrap;
    gap:40px;
    margin-top:18px;
    padding-top:24px;
    border-top:1px solid var(--line-dark);
  }
  .metric-num{font-size:24px;font-weight:700;line-height:1.25;color:var(--lemon);}
  .metric-label{font-size:13px;color:rgba(244,241,236,.72);}

  /* ============ 对比卡 ============ */
  .compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .compare-card{
    display:flex;
    flex-direction:column;
    gap:18px;
    padding:30px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
  .compare-card--accent{background:var(--primary-soft);border-color:rgba(255,107,44,.3);box-shadow:none;}
  .compare-tag{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--primary-press);}
  .compare-card h3{font-size:20px;color:var(--text);}
  .compare-list{display:flex;flex-direction:column;gap:13px;margin-top:2px;}
  .compare-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:var(--text-2);}
  .compare-list li::before{
    content:"";
    position:absolute;
    left:4px;
    top:11px;
    width:8px;height:8px;
    border-radius:2px;
    background:var(--primary);
  }
  .compare-card:not(.compare-card--accent) .compare-list li::before{background:var(--deep);}
  .compare-foot{font-size:13px;color:var(--text-3);padding-top:16px;border-top:1px solid rgba(26,29,28,.08);}

  /* ============ 深色流程面板 ============ */
  .flow-panel{
    position:relative;
    overflow:hidden;
    background:var(--deep);
    color:var(--on-dark);
    border-radius:24px;
    padding:56px;
  }
  .flow-panel::after{
    content:"";
    position:absolute;
    right:-60px;
    top:-60px;
    width:280px;height:280px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(214,242,74,.14),transparent 68%);
    pointer-events:none;
  }
  .flow-panel .sec-kicker{color:var(--lemon);}
  .flow-panel .sec-kicker::before{background:var(--lemon);}
  .flow-panel h2{color:#FFFFFF;}
  .flow-panel .sec-desc{color:rgba(244,241,236,.74);}
  .flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px;}
  .flow-item{
    display:flex;
    flex-direction:column;
    gap:10px;
    padding:24px 20px;
    border-radius:var(--r-card);
    background:rgba(255,255,255,.05);
    border:1px solid var(--line-dark);
    transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .flow-item:hover{background:rgba(255,255,255,.09);border-color:rgba(214,242,74,.4);transform:translateY(-2px);}
  .flow-num{font-size:28px;font-weight:800;line-height:1;color:var(--lemon);letter-spacing:.04em;}
  .flow-item h3{font-size:17px;color:#FFFFFF;}
  .flow-item p{font-size:14px;line-height:1.78;color:rgba(244,241,236,.76);}

  /* ============ 提示对照 ============ */
  .hint-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
  .hint-rows{display:flex;flex-direction:column;}
  .hint-row{
    display:grid;
    grid-template-columns:176px 1fr;
    gap:20px;
    align-items:start;
    padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .hint-row:first-child{padding-top:0;}
  .hint-row:last-child{border-bottom:0;padding-bottom:0;}
  .hint-key{display:inline-flex;align-items:flex-start;gap:9px;font-size:14px;font-weight:600;line-height:1.7;color:var(--text);}
  .hint-key::before{content:"";flex:none;width:4px;height:16px;margin-top:6px;border-radius:2px;background:var(--primary);}
  .hint-val{font-size:14.5px;line-height:1.82;color:var(--text-2);}
  .hint-media{
    overflow:hidden;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow-sm);
  }
  .hint-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .hint-media figcaption{padding:14px 18px;font-size:13px;line-height:1.7;color:var(--text-3);border-top:1px solid var(--line);}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
  .faq-item{
    overflow:hidden;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--surface);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq-item:hover{border-color:rgba(255,107,44,.34);}
  .faq-item.is-open{border-color:rgba(255,107,44,.45);box-shadow:var(--shadow-sm);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:20px 24px;
    min-height:60px;
    font-size:16px;
    font-weight:600;
    text-align:left;
    color:var(--text);
  }
  .faq-icon{position:relative;flex:none;width:18px;height:18px;}
  .faq-icon::before,.faq-icon::after{
    content:"";
    position:absolute;
    background:var(--primary);
    border-radius:2px;
    transition:transform .18s ease;
  }
  .faq-icon::before{left:0;top:8px;width:18px;height:2px;}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px;}
  .faq-item.is-open .faq-icon::after{transform:scaleY(0);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
  .faq-a p{padding:0 24px 22px 56px;font-size:14.5px;line-height:1.85;color:var(--text-2);}

  /* ============ 表单 ============ */
  .form-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
  .form-card{
    padding:32px;
    border-radius:20px;
    border:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow-sm);
  }
  .form-card h3{font-size:20px;margin-bottom:6px;}
  .form-card .form-intro{font-size:14px;color:var(--text-2);margin-bottom:22px;}
  .field{margin-bottom:18px;}
  .field label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;}
  .field input,.field select,.field textarea{
    width:100%;
    padding:12px 14px;
    border-radius:var(--r-sm);
    border:1px solid var(--line);
    background:#FFFFFF;
    font-size:15px;
    line-height:1.6;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field input{height:48px;}
  .field select{height:48px;cursor:pointer;}
  .field textarea{min-height:124px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(255,107,44,.14);
  }
  .field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
  .checkbox-line{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px;font-size:13px;line-height:1.7;color:var(--text-2);}
  .checkbox-line input{flex:none;width:18px;height:18px;margin-top:4px;accent-color:var(--primary);}
  .checkbox-line a{color:var(--primary-press);text-decoration:underline;text-underline-offset:3px;}
  .form-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:14px;}
  .form-side{display:flex;flex-direction:column;gap:18px;}
  .side-title{font-size:16px;font-weight:600;}
  .side-list{display:flex;flex-direction:column;gap:14px;}
  .side-list li{display:flex;gap:12px;font-size:14px;line-height:1.78;color:var(--text-2);}
  .side-list li::before{
    content:counter(side);
    counter-increment:side;
    flex:none;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:22px;height:22px;
    margin-top:3px;
    border-radius:50%;
    background:var(--primary-soft);
    color:var(--primary-press);
    font-size:12px;
    font-weight:700;
  }
  .side-list{counter-reset:side;}
  .status-strip{
    display:flex;
    gap:10px;
    align-items:flex-start;
    padding:14px 16px;
    border-radius:var(--r-sm);
    background:var(--warn-soft);
    border-left:3px solid var(--warn);
    font-size:13px;
    line-height:1.7;
    color:#7A5312;
  }

  /* ============ 隐私条 ============ */
  .privacy-bar{
    border-radius:var(--r-card);
    background:var(--alt);
    border:1px solid var(--line);
    padding:30px 32px;
  }
  .privacy-bar h3{font-size:17px;margin-bottom:14px;}
  .privacy-points{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .privacy-points li{font-size:13.5px;line-height:1.8;color:var(--text-2);padding-left:18px;position:relative;}
  .privacy-points li::before{
    content:"";
    position:absolute;
    left:0;top:11px;
    width:7px;height:7px;
    border-radius:2px;
    background:var(--deep);
  }

  /* ============ 弹层 ============ */
  .modal[hidden]{display:none;}
  .modal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:20px;}
  .modal-mask{position:absolute;inset:0;background:rgba(22,51,44,.55);}
  .modal-panel{
    position:relative;
    width:100%;
    max-width:480px;
    max-height:88vh;
    overflow-y:auto;
    padding:30px;
    border-radius:20px;
    background:var(--surface);
    box-shadow:0 24px 60px rgba(22,51,44,.3);
    animation:modalIn .2s ease-out;
  }
  @keyframes modalIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px;}
  .modal-head h3{font-size:19px;}
  .modal-close{
    flex:none;
    width:36px;height:36px;
    border-radius:50%;
    border:1px solid var(--line);
    color:var(--text-2);
    font-size:16px;
    line-height:1;
    display:inline-flex;align-items:center;justify-content:center;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease;
  }
  .modal-close:hover{background:var(--primary-soft);color:var(--primary-press);border-color:var(--primary);}
  .modal-sub{font-size:14px;color:var(--text-2);margin-bottom:20px;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--deep);color:var(--on-dark);padding:72px 0 32px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;}
  .footer-brand .brand-mark{font-size:18px;color:#FFFFFF;letter-spacing:.08em;font-weight:800;}
  .footer-brand .brand-sub{font-size:13px;color:var(--lemon);margin-left:8px;font-weight:600;}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(244,241,236,.7);max-width:340px;}
  .footer-col h3{font-size:15px;font-weight:600;color:#FFFFFF;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col li a{font-size:14px;color:rgba(244,241,236,.72);transition:color .18s ease;}
  .footer-col li a:hover{color:var(--lemon);}
  .footer-col p{font-size:14px;line-height:1.85;color:rgba(244,241,236,.68);margin-bottom:10px;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    margin-top:48px;
    padding-top:24px;
    border-top:1px solid var(--line-dark);
    font-size:13px;
    color:rgba(244,241,236,.58);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    h1{font-size:38px;}
    h2{font-size:28px;}
    .flow-panel{padding:44px;}
  }
  @media (max-width:1023px){
    :root{--sec-pad:64px;}
    h1{font-size:32px;}
    h2{font-size:24px;}
    .hero{padding:48px 36px;min-height:400px;}
    .flow-list{grid-template-columns:repeat(2,1fr);}
    .hint-layout{grid-template-columns:1fr;gap:32px;}
    .form-layout{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .privacy-points{grid-template-columns:1fr;}
  }
  @media (max-width:900px){
    .nav-links{
      display:none;
      position:absolute;
      top:calc(100% + 12px);
      left:0;
      right:0;
      flex-direction:column;
      align-items:stretch;
      gap:4px;
      padding:12px;
      border-radius:20px;
      background:var(--bg);
      border:1px solid var(--line);
      box-shadow:var(--shadow-lg);
    }
    .nav-links.is-open{display:flex;}
    .nav-link{padding:12px 14px;font-size:15px;}
    .nav-link.is-active{background:var(--primary-soft);}
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
    .nav-actions{margin-left:auto;}
    .hero-zone{padding-top:12px;}
  }
  @media (max-width:767px){
    :root{--sec-pad:48px;}
    .container{padding:0 16px;}
    body{font-size:15.5px;}
    h1{font-size:28px;}
    h2{font-size:23px;}
    h3{font-size:18px;}
    .hero{padding:36px 22px;min-height:0;border-radius:20px;background-position:center;}
    .hero-sub{font-size:15.5px;}
    .hero-metrics{gap:24px;}
    .metric-num{font-size:20px;}
    .compare-grid{grid-template-columns:1fr;}
    .compare-card{padding:22px;}
    .flow-panel{padding:28px 22px;border-radius:20px;}
    .flow-list{grid-template-columns:1fr;}
    .hint-row{grid-template-columns:1fr;gap:8px;padding:18px 0;}
    .hint-row:first-child{padding-top:0;}
    .faq-q{padding:18px;font-size:15.5px;}
    .faq-a p{padding:0 18px 20px 42px;}
    .form-card{padding:22px;}
    .privacy-bar{padding:24px 20px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .btn{width:100%;}
    .hero-actions .btn,.form-card .btn{width:100%;}
    .nav-actions .btn{width:auto;}
  }
  @media (max-width:479px){
    .brand-sub{display:none;}
    .hero-metrics{gap:18px;}
    .metric-num{font-size:18px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --brand:#FF6B2C;
  --brand-press:#E2541A;
  --brand-soft:#FFF1E9;
  --ink-green:#16332C;
  --ink-green-2:#1E4238;
  --lemon:#D6F24A;
  --bg:#F7F5F2;
  --surface:#FFFFFF;
  --surface-alt:#EFEBE5;
  --text:#1A1D1C;
  --text-sub:#5A615E;
  --text-weak:#8B918E;
  --line:#E3DED7;
  --ok:#2E9E6B;
  --ok-soft:#E8F6EF;
  --warn:#C8892A;
  --warn-soft:#FBF2E2;
  --err:#D8443C;
  --err-soft:#FCEAE8;
  --radius-card:16px;
  --radius-ctrl:10px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(26,29,28,.04),0 8px 24px rgba(26,29,28,.06);
  --shadow-lg:0 12px 32px rgba(26,29,28,.10);
  --sect-y:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{text-wrap:pretty;}
:focus-visible{outline:3px solid rgba(255,107,44,.45);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:120;
  transition:top .2s ease;
}
.site-header.is-scrolled{top:8px;}
.nav-shell{
  display:flex;
  align-items:center;
  gap:20px;
  height:62px;
  padding:0 12px 0 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(247,245,242,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-sm);
}
.brand{
  display:flex;
  flex-direction:column;
  line-height:1.1;
  padding:6px 4px;
  flex-shrink:0;
}
.brand-mark{
  font-size:16px;
  font-weight:800;
  letter-spacing:1.4px;
  color:var(--ink-green);
}
.brand-sub{
  font-size:11px;
  letter-spacing:2px;
  color:var(--brand);
  font-weight:600;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  color:var(--text-sub);
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--ink-green);background:rgba(255,107,44,.10);}
.nav-link.is-active{color:var(--ink-green);font-weight:600;background:var(--brand-soft);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  background:var(--brand);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 6px 16px rgba(255,107,44,.28);
}
.nav-cta:hover{background:var(--brand-press);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,44,.32);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  background:var(--surface);
  flex-shrink:0;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink-green);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--ink-green);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(22,51,44,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
  z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(320px,86vw);
  background:var(--surface);
  z-index:140;
  padding:24px;
  transform:translateX(102%);
  transition:transform .24s ease;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
}
.drawer-close{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  font-size:20px;
  color:var(--ink-green);
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
}
.drawer .nav-link{
  height:48px;
  font-size:16px;
  padding:0 16px;
  border-radius:var(--radius-ctrl);
}
.drawer .nav-cta{width:100%;height:48px;margin-top:12px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  font-size:15.5px;
  font-weight:600;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,107,44,.28);
}
.btn-primary:hover{background:var(--brand-press);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,44,.34);}
.btn-ghost{
  border:1.5px solid rgba(244,241,236,.55);
  color:#F4F1EC;
  background:transparent;
}
.btn-ghost:hover{background:rgba(255,107,44,.18);border-color:var(--brand);}
.btn-outline{
  border:1.5px solid var(--ink-green);
  color:var(--ink-green);
  background:transparent;
}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-press);}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-press);
}
.btn-link span{transition:transform .18s ease;}
.btn-link:hover span{transform:translateX(4px);}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand-press);
  letter-spacing:.2px;
}
.badge-dark{
  background:rgba(214,242,74,.18);
  color:var(--lemon);
  border:1px solid rgba(214,242,74,.32);
}
.meta-row{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--text-weak);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:-78px;
  padding-top:78px;
  min-height:clamp(320px,40vh,460px);
  display:flex;
  align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(22,51,44,.92) 0%,rgba(22,51,44,.78) 46%,rgba(22,51,44,.52) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:56px 24px 64px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(244,241,236,.72);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(244,241,236,.86);}
.crumb a:hover{color:var(--lemon);}
.crumb .sep{color:var(--brand);}
.hero h1{
  font-size:44px;
  line-height:1.3;
  letter-spacing:-.5px;
  font-weight:700;
  color:#F4F1EC;
  max-width:820px;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:rgba(244,241,236,.82);
  max-width:660px;
}
.hero-actions{
  display:flex;
  gap:14px;
  margin-top:30px;
  flex-wrap:wrap;
}
.hero-metrics{
  display:flex;
  gap:34px;
  margin-top:38px;
  flex-wrap:wrap;
}
.hero-metric strong{
  display:block;
  font-size:24px;
  color:var(--lemon);
  font-weight:700;
}
.hero-metric span{
  font-size:13px;
  color:rgba(244,241,236,.72);
}
.hero-line{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--brand) 0%,rgba(255,107,44,.1) 60%,transparent 100%);
}

/* ---------- 板块 ---------- */
.section{padding:var(--sect-y) 0;}
.section-alt{background:var(--surface-alt);}
.section-dark{
  background:var(--ink-green);
  color:#F4F1EC;
}
.section-head{
  display:flex;
  align-items:flex-start;
  gap:16px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .bar{
  width:4px;
  height:34px;
  border-radius:4px;
  background:var(--brand);
  flex-shrink:0;
  margin-top:4px;
}
.section-head h2{
  font-size:32px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--text-sub);
  max-width:640px;
}
.section-dark .section-head p{color:rgba(244,241,236,.72);}

/* ---------- 数据区 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat-card{
  padding:26px 24px;
  border-radius:var(--radius-card);
  border:1px solid rgba(244,241,236,.14);
  background:rgba(255,255,255,.04);
}
.stat-num{
  font-size:48px;
  font-weight:800;
  line-height:1.1;
  color:var(--lemon);
  letter-spacing:-1px;
}
.stat-label{
  margin-top:10px;
  font-size:14.5px;
  color:#F4F1EC;
  font-weight:600;
}
.stat-note{
  margin-top:6px;
  font-size:12.5px;
  color:rgba(244,241,236,.6);
}
.stat-foot{
  margin-top:26px;
  font-size:13px;
  color:rgba(244,241,236,.6);
}

/* ---------- 长文两列 ---------- */
.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:48px;
  align-items:start;
}
.longform{
  max-width:760px;
}
.article-block{
  padding-bottom:36px;
  margin-bottom:36px;
  border-bottom:1px dashed var(--line);
}
.article-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.article-block h2{
  font-size:26px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.2px;
  margin-bottom:16px;
}
.article-block h3{
  font-size:18px;
  font-weight:600;
  margin:22px 0 10px;
}
.article-block p{
  color:var(--text-sub);
  margin-bottom:14px;
}
.article-block p:last-child{margin-bottom:0;}
.article-block strong{color:var(--text);}
.check-list{margin:16px 0;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  color:var(--text-sub);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--brand);
}
.quote{
  margin:20px 0;
  padding:16px 20px;
  border-left:4px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 var(--radius-ctrl) var(--radius-ctrl) 0;
  color:var(--text);
  font-size:15px;
}
figure{margin:24px 0 8px;}
figure img{
  width:100%;
  border-radius:14px;
  aspect-ratio:16/9;
  object-fit:cover;
}
figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--text-weak);
  text-align:center;
}

/* ---------- 悬浮表单卡 ---------- */
.aside-sticky{
  position:sticky;
  top:110px;
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:26px;
}
.form-card h2{
  font-size:20px;
  font-weight:700;
  margin-bottom:8px;
}
.form-card > p{
  font-size:13.5px;
  color:var(--text-sub);
  margin-bottom:20px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text);
}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-ctrl);
  background:#FBFAF8;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(255,107,44,.16);
}
.field.has-error input,
.field.has-error textarea{border-color:var(--err);}
.field-error{
  display:none;
  margin-top:6px;
  font-size:13px;
  color:var(--err);
}
.field.has-error .field-error{display:block;}
.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--text-sub);
  margin:6px 0 18px;
  line-height:1.6;
}
.consent input{
  width:18px;
  height:18px;
  margin-top:3px;
  accent-color:var(--brand);
  flex-shrink:0;
}
.consent a{color:var(--brand-press);text-decoration:underline;}
.form-card .btn{width:100%;}
.form-hints{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:grid;
  gap:8px;
}
.form-hints li{
  font-size:12.5px;
  color:var(--text-weak);
  padding-left:16px;
  position:relative;
}
.form-hints li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
}
.alert{
  display:none;
  padding:12px 14px;
  border-radius:var(--radius-ctrl);
  font-size:13.5px;
  margin-bottom:16px;
}
.alert.is-ok{display:block;background:var(--ok-soft);color:#1E6B49;border-left:4px solid var(--ok);}
.alert.is-err{display:block;background:var(--err-soft);color:#8E2A24;border-left:4px solid var(--err);}

/* ---------- 设备要点卡 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.device-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;
  flex-direction:column;
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.device-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s ease;
}
.device-card:hover img{transform:scale(1.03);}
.device-card .body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.device-card h3{font-size:18px;font-weight:600;}
.device-card p{font-size:14px;color:var(--text-sub);}
.device-card .tail{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:820px;
  display:grid;
  gap:12px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:rgba(255,107,44,.5);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  min-height:44px;
}
.faq-q:hover{color:var(--brand-press);}
.faq-icon{
  position:relative;
  width:18px;
  height:18px;
  flex-shrink:0;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .18s ease,opacity .18s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{top:0;left:8px;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .18s ease-out;
}
.faq-a p{
  padding:0 22px 22px 54px;
  font-size:14.5px;
  color:var(--text-sub);
}

/* ---------- 隐私短条 ---------- */
.privacy-strip{
  background:var(--brand-soft);
  border-radius:var(--radius-card);
  padding:26px 28px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:20px;
  align-items:start;
}
.privacy-strip h2{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
}
.privacy-strip ul{
  display:grid;
  gap:6px;
  margin-top:8px;
}
.privacy-strip li{
  font-size:14px;
  color:var(--text-sub);
  padding-left:16px;
  position:relative;
}
.privacy-strip li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
}
.privacy-icon{
  width:48px;height:48px;
  border-radius:14px;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--brand);
  box-shadow:var(--shadow-sm);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--ink-green-2);
  border-radius:20px;
  padding:48px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  color:#F4F1EC;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:220px;
  height:220px;
  border-radius:50%;
  border:2px solid rgba(214,242,74,.22);
}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:rgba(244,241,236,.76);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;
  inset:0;
  background:rgba(22,51,44,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
  z-index:200;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-panel{
  width:100%;
  max-width:480px;
  max-height:88vh;
  overflow-y:auto;
  background:var(--surface);
  border-radius:20px;
  padding:28px;
  box-shadow:0 24px 60px rgba(22,51,44,.32);
  transform:translateY(14px);
  opacity:0;
  transition:transform .2s ease,opacity .2s ease;
}
.modal-mask.is-open .modal-panel{transform:translateY(0);opacity:1;}
.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.modal-head h2{font-size:20px;font-weight:700;}
.modal-head p{font-size:13.5px;color:var(--text-sub);margin-top:6px;}
.modal-close{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  color:var(--text-sub);
  background:var(--bg);
  flex-shrink:0;
  transition:background-color .18s ease,color .18s ease;
}
.modal-close:hover{background:var(--brand-soft);color:var(--brand-press);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-green);
  color:#F4F1EC;
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand-mark{
  font-size:20px;
  letter-spacing:2px;
  color:#F4F1EC;
}
.footer-brand .brand-sub{
  display:block;
  font-size:12px;
  letter-spacing:3px;
  color:var(--lemon);
  margin-top:4px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  color:rgba(244,241,236,.68);
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:#F4F1EC;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{
  font-size:14px;
  color:rgba(244,241,236,.72);
  transition:color .18s ease;
}
.footer-col li a:hover{color:var(--lemon);}
.footer-col p{
  font-size:14px;
  color:rgba(244,241,236,.68);
  margin-bottom:10px;
}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(244,241,236,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(244,241,236,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:38px;}
  .content-layout{gap:36px;grid-template-columns:minmax(0,1fr) 330px;}
}
@media (max-width:1023px){
  :root{--sect-y:64px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-shell{height:58px;padding:0 8px 0 16px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .content-layout{grid-template-columns:1fr;}
  .aside-sticky{position:static;order:2;}
  .longform{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero h1{font-size:32px;}
  .section-head h2{font-size:27px;}
}
@media (max-width:767px){
  :root{--sect-y:48px;}
  .container{padding:0 16px;}
  .hero{min-height:auto;margin-top:-70px;padding-top:70px;}
  .hero-inner{padding:40px 16px 48px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:22px;margin-top:28px;}
  .stat-grid{grid-template-columns:1fr;gap:16px;}
  .stat-num{font-size:38px;}
  .card-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:23px;}
  .article-block h2{font-size:21px;}
  .privacy-strip{grid-template-columns:1fr;padding:22px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-a p{padding-left:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .hero h1{font-size:25px;}
  .btn{padding:13px 20px;font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}