/* roulang page: index */
:root{
  --brand-500:#F0541F;
  --brand-600:#C8431A;
  --brand-100:#FFEDE4;
  --ink-900:#14161A;
  --ink-700:#3A3B3F;
  --ink-500:#6E6A64;
  --ink-300:#A8A29B;
  --line-hair:#E6E1D9;
  --bg-canvas:#FAF7F2;
  --bg-soft:#F1EDE7;
  --white:#FFFFFF;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06), 0 8px 24px -12px rgba(20,22,26,.14);
  --shadow-2:0 2px 4px rgba(20,22,26,.08), 0 18px 42px -16px rgba(20,22,26,.24);
  --dur-fast:160ms;
  --dur-base:280ms;
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-canvas);
  color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.004em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;transition:color var(--dur-fast) var(--ease-out);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;position:relative;}
.section-soft{background:var(--bg-soft);}
.section-top-line{border-top:1px solid var(--line-hair);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--ink-900);
  color:rgba(255,255,255,.78);
  font-size:12.5px;
  letter-spacing:.02em;
  line-height:1;
  padding:9px 0;
}
.topbar .container-x{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap;}
.topbar strong{color:#fff;font-weight:600;}
.topbar .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand-500);margin-right:7px;vertical-align:middle;}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,247,242,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line-hair);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:74px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.01em;
  white-space:nowrap;
  color:var(--ink-900);
}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  display:grid;place-items:center;color:#fff;
  font-size:15px;font-weight:800;letter-spacing:-.04em;
  box-shadow:0 6px 16px -8px rgba(240,84,31,.9);
}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 4px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:4px;right:4px;bottom:0;
  height:2px;border-radius:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur-base) var(--ease-out);
}
.nav-link:hover{color:var(--ink-900);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-600);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}

/* Mega */
.mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--ink-700);
  padding:9px 14px;border:1px solid var(--line-hair);border-radius:999px;
  background:var(--white);
  transition:border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out);
}
.mega-trigger:hover{border-color:rgba(240,84,31,.45);color:var(--brand-600);box-shadow:var(--shadow-1);}
.mega-trigger .caret{
  width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
  transition:transform var(--dur-base) var(--ease-out);
}
.mega-panel{
  position:absolute;
  right:0;top:calc(100% + 12px);
  width:700px;
  background:var(--white);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-2);
  padding:26px;
  display:grid;
  grid-template-columns:1.1fr 1.1fr 1fr;
  gap:26px;
  opacity:0;visibility:hidden;
  transform:translateY(6px);
  transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),visibility var(--dur-fast);
}
.mega:hover .mega-panel,
.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega:hover .caret,.mega:focus-within .caret{transform:rotate(-135deg) translateY(-2px);}
.mega-col h4{
  font-size:12px;letter-spacing:.14em;color:var(--ink-300);
  font-weight:700;text-transform:uppercase;margin-bottom:14px;
}
.mega-col ul{display:grid;gap:10px;}
.mega-col ul a{
  font-size:14px;font-weight:600;color:var(--ink-700);
  display:flex;align-items:center;gap:8px;
}
.mega-col ul a::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--line-hair);
  transition:background var(--dur-fast) var(--ease-out);
}
.mega-col ul a:hover{color:var(--brand-600);}
.mega-col ul a:hover::before{background:var(--brand-500);}
.mega-mini{font-size:13px;color:var(--ink-500);line-height:1.7;}
.mega-entry{
  border:1px solid var(--line-hair);
  border-radius:12px;
  overflow:hidden;
  background:var(--bg-canvas);
}
.mega-entry img{aspect-ratio:16/10;object-fit:cover;width:100%;border-radius:0;}
.mega-entry span{display:block;padding:12px 14px;font-size:13.5px;font-weight:700;}

.burger{
  display:none;width:42px;height:42px;border:1px solid var(--line-hair);
  border-radius:12px;background:#fff;place-items:center;
}
.burger span{display:block;width:17px;height:1.8px;background:var(--ink-900);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:17px;height:1.8px;background:var(--ink-900);border-radius:2px;
}
.burger span::before{top:-5.5px;}
.burger span::after{top:5.5px;}

.drawer{
  display:none;
  border-top:1px solid var(--line-hair);
  background:var(--bg-canvas);
  padding:16px 0 26px;
}
.drawer.is-open{display:block;}
.drawer a{
  display:block;padding:12px 0;font-size:15px;font-weight:600;
  border-bottom:1px solid var(--line-hair);
}
.drawer .drawer-label{
  font-size:12px;letter-spacing:.14em;color:var(--ink-300);
  font-weight:700;margin:20px 0 6px;
}

/* ============ 按钮 ============ */
.btn-main,
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;
  padding:13px 24px;
  border-radius:var(--radius-s);
  transition:transform var(--dur-fast) var(--ease-out),
             background var(--dur-fast) var(--ease-out),
             color var(--dur-fast) var(--ease-out),
             border-color var(--dur-fast) var(--ease-out),
             box-shadow var(--dur-fast) var(--ease-out);
}
.btn-main{
  background:var(--brand-500);
  color:#fff;
  border:1px solid var(--brand-500);
  box-shadow:0 10px 24px -14px rgba(240,84,31,.9);
}
.btn-main:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-main .arrow{transition:transform var(--dur-fast) var(--ease-out);}
.btn-main:hover .arrow{transform:translateX(4px);}
.btn-ghost{
  background:transparent;
  color:var(--ink-900);
  border:1px solid var(--ink-900);
}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.btn-pill{border-radius:999px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-600);
  position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur-base) var(--ease-out);
}
.text-link:hover::after{transform:scaleX(1);}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(240,84,31,.14),transparent 62%),
    var(--bg-canvas);
  padding:80px 0 76px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--brand-600);
  background:var(--brand-100);
  border-radius:999px;
  padding:7px 14px;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(34px,5.2vw,58px);
  line-height:1.14;
  font-weight:800;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-500);
  max-width:520px;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:34px;
}
.hero-visual{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--line-hair);
  box-shadow:var(--shadow-2);
  background:var(--bg-soft);
}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:0;
  transition:transform 500ms var(--ease-out);
}
.hero-visual:hover img{transform:scale(1.03);}
.hero-badge{
  position:absolute;left:20px;bottom:20px;
  background:rgba(20,22,26,.86);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:10px 16px;
  border-radius:999px;
  backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.14);
}
.stat-bar{
  margin-top:60px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-hair);
  padding-top:26px;
  gap:20px;
}
.stat-item .stat-num{
  font-family:"Inter","Barlow Condensed",system-ui,sans-serif;
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--ink-900);
}
.stat-item .stat-num em{font-style:normal;color:var(--brand-500);font-size:.62em;margin-left:3px;font-weight:700;}
.stat-item p{margin-top:6px;font-size:13px;color:var(--ink-500);letter-spacing:.02em;}

/* ============ 通用板块头 ============ */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line-hair);
  margin-bottom:56px;
}
.section-head .head-text{max-width:640px;}
.section-kicker{
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;}
.section-head .head-desc{margin-top:14px;font-size:15.5px;color:var(--ink-500);}

/* ============ 价值主张 ============ */
.value-grid{
  display:grid;
  grid-template-columns:.78fr 2fr;
  gap:64px;
  align-items:start;
}
.value-index{
  display:grid;
  gap:22px;
  position:sticky;
  top:110px;
}
.value-index .vi-num{
  font-family:"Inter",system-ui,sans-serif;
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--ink-300);
}
.value-index h3{font-size:22px;line-height:1.4;margin-top:8px;}
.value-index p{margin-top:12px;font-size:14.5px;color:var(--ink-500);}
.value-list{display:grid;}
.value-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:22px;
  padding:26px 0;
  border-bottom:1px solid var(--line-hair);
  transition:padding-left var(--dur-base) var(--ease-out);
}
.value-item:first-child{border-top:1px solid var(--line-hair);}
.value-item:hover{padding-left:8px;}
.value-item .vi-no{
  font-family:"Inter",system-ui,sans-serif;
  font-size:15px;font-weight:800;color:var(--brand-500);
  letter-spacing:.04em;padding-top:4px;
}
.value-item h3{font-size:19px;font-weight:700;}
.value-item p{margin-top:8px;font-size:15px;color:var(--ink-500);}

/* ============ 功能分组 ============ */
.seg{
  display:flex;
  gap:34px;
  border-bottom:1px solid var(--line-hair);
  margin-bottom:44px;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg::-webkit-scrollbar{display:none;}
.seg-btn{
  position:relative;
  padding:0 0 16px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-500);
  white-space:nowrap;
  transition:color var(--dur-fast) var(--ease-out);
}
.seg-btn::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur-base) var(--ease-out);
}
.seg-btn:hover{color:var(--ink-900);}
.seg-btn.is-active{color:var(--ink-900);font-weight:800;}
.seg-btn.is-active::after{transform:scaleX(1);}
.seg-panel{display:none;}
.seg-panel.is-active{display:block;animation:fadeUp var(--dur-base) var(--ease-out);}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}

.fgrid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.fgrid .stack{display:grid;gap:24px;align-content:start;}
.fcard{
  background:var(--white);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out);
  height:100%;
}
.fcard:hover{transform:translateY(-4px);border-color:rgba(240,84,31,.3);box-shadow:var(--shadow-2);}
.fcard h3{font-size:19px;font-weight:700;}
.fcard p{margin-top:12px;font-size:15px;color:var(--ink-500);}
.fcard .fc-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;
}
.fcard-img{
  border-radius:12px;overflow:hidden;margin-bottom:20px;
  border:1px solid var(--line-hair);
}
.fcard-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 420ms var(--ease-out);}
.fcard:hover .fcard-img img{transform:scale(1.03);}
.fcard-lg .fcard-img img{aspect-ratio:16/10;}

.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  letter-spacing:.01em;
}
.chip-ink{background:var(--ink-900);color:#fff;}

/* ============ 使用场景 zig-zag ============ */
.zig{padding-top:8px;}
.zig-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:64px 0;
  border-top:1px solid var(--line-hair);
}
.zig-row:first-child{border-top:none;padding-top:0;}
.zig-row.reverse .zig-media{order:2;}
.zig-media{
  position:relative;
  border-radius:var(--radius-m);
  overflow:hidden;
  border:1px solid var(--line-hair);
}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform 500ms var(--ease-out);}
.zig-media:hover img{transform:scale(1.03);}
.zig-num{
  position:absolute;top:14px;left:18px;
  font-family:"Inter",system-ui,sans-serif;
  font-size:64px;font-weight:800;line-height:1;
  color:rgba(255,255,255,.72);
  text-shadow:0 6px 24px rgba(20,22,26,.45);
  pointer-events:none;
}
.zig-body h3{font-size:clamp(22px,2.4vw,28px);line-height:1.3;}
.zig-body p{margin-top:16px;font-size:15.5px;color:var(--ink-500);}
.zig-points{margin-top:22px;display:grid;gap:12px;}
.zig-points li{
  display:flex;gap:12px;font-size:15px;color:var(--ink-700);
}
.zig-points li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:11px;
  border-radius:50%;background:var(--brand-500);
}

/* ============ 成功案例 ============ */
.case-main{
  background:var(--white);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-l);
  padding:44px;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:48px;
  align-items:center;
  box-shadow:var(--shadow-1);
}
.case-quote{
  font-size:clamp(19px,2vw,24px);
  line-height:1.65;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-.005em;
}
.case-quote::before{
  content:"“";color:var(--brand-500);font-size:1.6em;line-height:0;
  vertical-align:-.24em;margin-right:4px;font-weight:800;
}
.case-by{margin-top:22px;font-size:14px;color:var(--ink-500);}
.case-by strong{color:var(--ink-900);font-weight:700;}
.case-stats{
  display:grid;gap:18px;
  padding-left:48px;
  border-left:1px solid var(--line-hair);
}
.case-stats .cs-num{
  font-family:"Inter",system-ui,sans-serif;
  font-size:34px;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--brand-500);
}
.case-stats p{font-size:13.5px;color:var(--ink-500);margin-top:6px;}
.case-subs{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;
}
.case-sub{
  background:var(--white);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);
}
.case-sub:hover{transform:translateY(-4px);border-color:rgba(240,84,31,.3);}
.case-sub p{font-size:15px;color:var(--ink-700);line-height:1.75;}
.case-sub .case-by{margin-top:18px;}

/* ============ 价格 ============ */
.price-note{
  font-size:13.5px;color:var(--ink-500);
  padding-bottom:26px;margin-bottom:40px;
  border-bottom:1px solid var(--line-hair);
}
.price-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.price-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  padding:34px 28px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);
}
.price-card:hover{transform:translateY(-4px);border-color:rgba(240,84,31,.3);box-shadow:var(--shadow-2);}
.price-card.is-dark{
  background:var(--ink-900);
  border-color:var(--ink-900);
  color:#fff;
}
.price-card.is-dark h3,.price-card.is-dark .price-amount{color:#fff;}
.price-card.is-dark .price-desc,.price-card.is-dark .price-per{color:rgba(255,255,255,.62);}
.price-card.is-dark .price-list li{color:rgba(255,255,255,.86);}
.price-card.is-dark .price-list li::before{background:var(--brand-500);}
.price-card.is-dark .price-list li{border-color:rgba(255,255,255,.12);}
.price-card.is-dark::before{
  content:"";position:absolute;top:0;left:28px;right:28px;height:2px;background:var(--brand-500);
  border-radius:0 0 2px 2px;
}
.price-flag{
  position:absolute;top:-13px;left:28px;
  background:var(--brand-500);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
}
.price-card h3{font-size:19px;font-weight:800;}
.price-desc{margin-top:10px;font-size:14px;color:var(--ink-500);min-height:44px;}
.price-amount{
  margin-top:22px;
  font-family:"Inter",system-ui,sans-serif;
  font-size:40px;font-weight:800;line-height:1;letter-spacing:-.02em;
  display:flex;align-items:baseline;gap:6px;
}
.price-amount span{font-size:17px;font-weight:700;}
.price-per{margin-top:8px;font-size:13px;color:var(--ink-500);letter-spacing:.02em;}
.price-list{margin:26px 0 30px;display:grid;gap:0;}
.price-list li{
  display:flex;gap:11px;
  font-size:14.5px;
  padding:11px 0;
  border-bottom:1px dashed var(--line-hair);
  color:var(--ink-700);
}
.price-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--brand-500);
}
.price-card .btn-main,
.price-card .btn-ghost{width:100%;justify-content:center;margin-top:auto;}

/* ============ 最新信息 ============ */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:24px;border-bottom:1px solid var(--line-hair);margin-bottom:44px;
}
.news-head h2{font-size:clamp(24px,2.8vw,32px);}
.news-head p{margin-top:10px;font-size:15px;color:var(--ink-500);}
.news-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:40px;
  align-items:start;
}
.news-card{
  background:var(--white);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out);
  display:block;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(240,84,31,.3);box-shadow:var(--shadow-2);}
.news-card .news-thumb{overflow:hidden;}
.news-card .news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 500ms var(--ease-out);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-card-body{padding:26px;}
.news-card-body h3{
  font-size:20px;font-weight:700;margin-top:14px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-body p{
  margin-top:12px;font-size:14.8px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:18px;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--ink-300);letter-spacing:.02em;
}
.news-rows{display:grid;}
.news-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:16px;
  align-items:center;
  padding:18px 4px;
  border-bottom:1px solid var(--line-hair);
  transition:padding-left var(--dur-base) var(--ease-out);
}
.news-row:first-child{border-top:1px solid var(--line-hair);}
.news-row:hover{padding-left:12px;}
.news-row .nr-title{
  font-size:15.5px;font-weight:600;line-height:1.6;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row .nr-time{font-size:13px;color:var(--ink-300);white-space:nowrap;letter-spacing:.02em;}
.news-empty{
  border:1px dashed var(--line-hair);
  border-radius:var(--radius-m);
  padding:56px 24px;
  text-align:center;
  background:var(--white);
}
.news-empty .ne-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;
  background:var(--brand-100);display:grid;place-items:center;
  font-size:22px;color:var(--brand-600);font-weight:800;
}
.news-empty p{font-size:15px;color:var(--ink-500);}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 2fr;
  gap:64px;
  align-items:start;
}
.faq-intro h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;}
.faq-intro p{margin-top:16px;font-size:15.5px;color:var(--ink-500);max-width:320px;}
.faq-list{border-top:1px solid var(--line-hair);}
.faq-item{border-bottom:1px solid var(--line-hair);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;
  font-size:17px;font-weight:600;text-align:left;color:var(--ink-900);
  transition:color var(--dur-fast) var(--ease-out);
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;
  border:1px solid var(--line-hair);border-radius:50%;
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--ink-700);
  transform:translate(-50%,-50%);border-radius:2px;
  transition:background var(--dur-fast) var(--ease-out),transform var(--dur-base) var(--ease-out);
}
.faq-icon::before{width:9px;height:1.5px;}
.faq-icon::after{width:1.5px;height:9px;}
.faq-item.is-open .faq-icon{border-color:var(--brand-500);background:var(--brand-100);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand-600);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--dur-base) var(--ease-out);
}
.faq-a-inner{
  padding:0 0 24px;
  font-size:15.5px;color:var(--ink-500);
  max-width:760px;
}
.faq-item.is-open .faq-a{max-height:340px;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink-900);
  color:#fff;
  border-radius:0;
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 320px at 12% 0%,rgba(240,84,31,.22),transparent 60%);
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:start;
}
.cta-band h2{color:#fff;font-size:clamp(26px,3.2vw,38px);line-height:1.2;}
.cta-band .cta-desc{margin-top:18px;font-size:15.5px;color:rgba(255,255,255,.66);max-width:440px;}
.cta-points{margin-top:28px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:11px;border-radius:50%;background:var(--brand-500);
}
.form-card{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-m);
  padding:30px;
  backdrop-filter:blur(4px);
}
.form-row{display:grid;gap:16px;}
.form-field label{
  display:block;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:rgba(255,255,255,.66);margin-bottom:8px;
}
.form-field input,
.form-field textarea{
  width:100%;
  background:#fff;
  border:1px solid var(--line-hair);
  border-radius:12px;
  padding:14px 16px;
  font-size:15px;
  color:var(--ink-900);
  transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out);
}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--ink-300);}
.form-field input:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(240,84,31,.2);
}
.form-field textarea{min-height:104px;resize:vertical;}
.form-hint{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7;}

/* ============ Footer ============ */
.site-footer{
  background:var(--bg-soft);
  border-top:1px solid var(--line-hair);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--ink-500);max-width:300px;line-height:1.8;}
.footer-col h4{
  font-size:12.5px;letter-spacing:.14em;font-weight:700;color:var(--ink-300);
  margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{
  font-size:14.5px;color:var(--ink-700);display:inline-block;
  transition:color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out);
}
.footer-col a:hover{color:var(--brand-600);transform:translateX(2px);}
.footer-col p{font-size:14.5px;color:var(--ink-500);}
.footer-col p+p{margin-top:10px;}
.footer-bottom{
  border-top:1px solid var(--line-hair);
  padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-300);letter-spacing:.02em;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-grid{gap:40px;}
  .value-grid{gap:44px;}
  .faq-grid{gap:44px;}
  .cta-grid{gap:44px;}
  .case-main{padding:36px;gap:36px;}
  .case-stats{padding-left:36px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .nav-list,.mega{display:none;}
  .burger{display:grid;}
  .nav-wrap{min-height:66px;}
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:-1;}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px;}
  .value-grid{grid-template-columns:1fr;gap:32px;}
  .value-index{position:static;}
  .fgrid{grid-template-columns:1fr;}
  .zig-row{grid-template-columns:1fr;gap:28px;padding:48px 0;}
  .zig-row.reverse .zig-media{order:0;}
  .case-main{grid-template-columns:1fr;gap:28px;}
  .case-stats{padding-left:0;border-left:none;border-top:1px solid var(--line-hair);padding-top:24px;grid-template-columns:repeat(3,1fr);}
  .price-grid{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-intro p{max-width:none;}
  .cta-band{padding:64px 0;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:575.98px){
  .section{padding:48px 0;}
  .container-x{padding:0 20px;}
  body{font-size:15.5px;}
  .hero h1{font-size:clamp(30px,8.4vw,38px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .btn-main,.btn-ghost{padding:12px 20px;font-size:14.5px;width:100%;justify-content:center;}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:36px;}
  .value-item{grid-template-columns:44px 1fr;gap:12px;padding:22px 0;}
  .case-main{padding:26px;}
  .case-stats{grid-template-columns:1fr 1fr;}
  .case-subs{grid-template-columns:1fr;}
  .news-row{grid-template-columns:1fr;gap:6px;}
  .news-row .nr-time{justify-self:start;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .seg{gap:22px;}
  .seg-btn{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}
.reveal{opacity:0;transform:translateY(12px);transition:opacity 400ms var(--ease-out),transform 400ms var(--ease-out);}
.reveal.is-in{opacity:1;transform:none;}

/* roulang page: category1 */
:root{
  --brand-500:#F0541F;
  --brand-600:#C8431A;
  --brand-100:#FFEDE4;
  --ink-900:#14161A;
  --ink-700:#33363C;
  --ink-500:#6E6A64;
  --ink-300:#A8A29B;
  --bg-canvas:#FAF7F2;
  --bg-soft:#F1EDE7;
  --line-hair:#E6E1D9;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06), 0 8px 24px -12px rgba(20,22,26,.14);
  --shadow-2:0 2px 4px rgba(20,22,26,.08), 0 18px 40px -20px rgba(20,22,26,.22);
  --dur-fast:160ms;
  --dur-base:220ms;
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg-canvas);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur-fast) var(--ease-out)}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-500);color:#fff}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-900);color:rgba(255,255,255,.72);font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:40px}
.topbar strong{color:#fff;font-weight:600}
.topbar .dot{color:var(--brand-500);margin:0 8px}
@media(max-width:767px){.topbar-inner{flex-direction:column;align-items:flex-start;padding:8px 0;gap:2px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line-hair);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-500);color:#fff;font-size:14px;font-weight:800;letter-spacing:.04em;
}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:15px;font-weight:600;color:var(--ink-700);
  border-radius:var(--radius-s);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur-base) var(--ease-out);
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-500)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}

/* 按钮 */
.btn-main,.btn-ghost,.btn-sm{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--radius-s);border:1px solid transparent;
  font-weight:600;font-size:15px;padding:12px 22px;cursor:pointer;
  transition:all var(--dur-base) var(--ease-out);
}
.btn-main{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-main:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-main .arrow{transition:transform var(--dur-base) var(--ease-out)}
.btn-main:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900);border-radius:999px}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-600);border-color:var(--brand-500)}
.btn-sm{padding:10px 18px;font-size:14px;background:var(--ink-900);color:#fff}
.btn-sm:hover{background:var(--brand-500);color:#fff}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:1px solid var(--line-hair);border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:600;color:var(--ink-700);cursor:pointer;
  transition:all var(--dur-fast) var(--ease-out);
}
.mega-trigger:hover{border-color:var(--brand-500);color:var(--brand-600)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:720px;max-width:82vw;
  background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-m);
  box-shadow:var(--shadow-2);padding:26px;
  display:grid;grid-template-columns:1.1fr 1.2fr .9fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),visibility var(--dur-fast);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel h5{margin:0 0 12px;font-size:12px;letter-spacing:.08em;color:var(--ink-300);font-weight:700}
.mega-list li{margin-bottom:8px}
.mega-list a{font-size:14px;font-weight:600;color:var(--ink-700)}
.mega-list a:hover{color:var(--brand-500)}
.mega-ent{display:block;border:1px solid var(--line-hair);border-radius:12px;overflow:hidden;background:var(--bg-canvas)}
.mega-ent img{aspect-ratio:16/9;object-fit:cover;width:100%}
.mega-ent span{display:block;padding:10px 12px;font-size:13px;font-weight:600;color:var(--ink-700)}

@media(max-width:991px){
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0}
  .nav-list{
    order:3;width:100%;margin-left:0;overflow-x:auto;
    padding-bottom:6px;scrollbar-width:none;
  }
  .nav-list::-webkit-scrollbar{display:none}
  .nav-link{white-space:nowrap;padding:8px 10px}
  .mega-panel{position:static;width:100%;max-width:none;opacity:1;visibility:visible;transform:none;box-shadow:none;
    margin-top:10px;grid-template-columns:1fr;display:none}
  .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{display:grid}
}
@media(max-width:575px){
  .header-actions{gap:8px}
  .btn-sm{padding:9px 14px;font-size:13px}
  .logo{font-size:16px}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:12px}
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(20,22,26,.92) 0%,rgba(20,22,26,.78) 46%,rgba(20,22,26,.42) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:72px 0 56px;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,var(--brand-500),transparent 60%);
}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.66)}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{color:rgba(255,255,255,.35)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,84,31,.16);border:1px solid rgba(240,84,31,.5);color:#FFD9C7;
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:20px;
}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,48px);line-height:1.16;max-width:860px}
.hero-sub{margin-top:20px;max-width:720px;color:rgba(255,255,255,.78);font-size:16.5px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  margin-top:40px;border-top:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.1);
  border-radius:var(--radius-s);overflow:hidden;
}
.hero-stats li{padding:18px 20px;background:rgba(20,22,26,.35)}
.hero-stats b{display:block;font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stats span{font-size:12.5px;letter-spacing:.04em;color:rgba(255,255,255,.62)}
@media(max-width:767px){
  .page-hero{padding:48px 0 40px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px}
}

/* 页内锚点横条 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line-hair);position:sticky;top:76px;z-index:40}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line-hair);border-radius:999px;padding:8px 16px;
  font-size:14px;font-weight:600;color:var(--ink-700);
  transition:all var(--dur-fast) var(--ease-out);background:var(--bg-canvas);
}
.anchor-pill:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-100)}
.anchor-pill i{font-style:normal;color:var(--brand-500);font-variant-numeric:tabular-nums;font-size:12.5px}
@media(max-width:991px){.anchor-bar{position:static}}

/* ---------- 主体布局 ---------- */
.section{padding:88px 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding-top:64px}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head .kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);margin-bottom:14px;text-transform:uppercase;
}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.24}
.sec-head p{margin-top:16px;color:var(--ink-500)}

.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;align-items:start}
.rail{position:sticky;top:150px}
.rail-card{background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-1)}
.rail-card h3{font-size:14px;letter-spacing:.08em;color:var(--ink-300);font-weight:700;margin-bottom:16px}
.rail-nav li{border-top:1px solid var(--line-hair)}
.rail-nav li:first-child{border-top:0}
.rail-nav a{
  display:flex;gap:12px;align-items:flex-start;padding:14px 0;font-size:14.5px;font-weight:600;color:var(--ink-700);
  transition:color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out);
}
.rail-nav a i{font-style:normal;color:var(--brand-500);font-variant-numeric:tabular-nums;font-size:13px;padding-top:2px}
.rail-nav a:hover{color:var(--brand-600);transform:translateX(2px)}
.rail-note{margin-top:22px;padding-top:20px;border-top:1px solid var(--line-hair);font-size:13.5px;color:var(--ink-500);line-height:1.8}
.rail-note strong{color:var(--ink-900)}

@media(max-width:991px){
  .layout{grid-template-columns:1fr;gap:36px}
  .rail{position:static}
  .section{padding:64px 0}
}

/* ---------- 分组与卡片矩阵 ---------- */
.group{padding-top:52px}
.group:first-child{padding-top:0}
.group-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-bottom:18px;border-bottom:1px solid var(--line-hair);margin-bottom:32px}
.group-head h2{font-size:clamp(22px,2.4vw,28px)}
.group-head span{font-size:13.5px;color:var(--ink-300);letter-spacing:.04em;font-variant-numeric:tabular-nums;white-space:nowrap}

.sched-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.sched-card{
  background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-m);
  padding:22px;display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out);
}
.sched-card:hover{transform:translateY(-4px);border-color:rgba(240,84,31,.34);box-shadow:var(--shadow-2)}
.sched-card .media{border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-soft)}
.sched-card .media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease-out)}
.sched-card:hover .media img{transform:scale(1.03)}
.sched-card h3{font-size:19px;line-height:1.4}
.sched-card p{font-size:14.8px;color:var(--ink-500)}
.card-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--ink-300);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-100);color:var(--brand-600);
  border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-dark{background:var(--ink-900);color:#fff}
.card-facts{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line-hair);display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13.5px;color:var(--ink-500)}
.card-facts b{color:var(--ink-900);font-variant-numeric:tabular-nums}

.sched-card--wide{grid-column:1 / -1;flex-direction:row;gap:26px;padding:24px}
.sched-card--wide .media{flex:0 0 46%;aspect-ratio:4/3}
.sched-card--wide .body{display:flex;flex-direction:column;gap:14px;flex:1 1 auto}

@media(max-width:767px){
  .sched-grid{grid-template-columns:1fr}
  .sched-card--wide{grid-column:auto;flex-direction:column}
  .sched-card--wide .media{flex:none;aspect-ratio:16/9}
}

/* ---------- 时间线简约条 ---------- */
.timeline{margin-top:36px;border-left:2px solid var(--line-hair);padding-left:28px}
.timeline li{position:relative;padding:0 0 26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-35px;top:9px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-500);
}
.timeline h4{font-size:15px;font-weight:700}
.timeline span{display:block;font-size:13.5px;color:var(--ink-500);margin-top:4px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:340px minmax(0,1fr);gap:56px;align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,34px);line-height:1.24}
.faq-side p{margin-top:16px;color:var(--ink-500)}
.faq-item{border-top:1px solid var(--line-hair)}
.faq-item:last-child{border-bottom:1px solid var(--line-hair)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 46px 22px 0;font-size:17px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--ink-300);line-height:1;
  transition:color var(--dur-fast) var(--ease-out);
}
.faq-item[open] summary::after{content:"−";color:var(--brand-500)}
.faq-item summary:hover{color:var(--brand-600)}
.faq-body{
  margin:0 0 20px;padding:16px 20px;background:var(--bg-soft);border-radius:12px;
  font-size:15px;color:var(--ink-500);
}
@media(max-width:991px){.faq-wrap{grid-template-columns:1fr;gap:32px}}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--ink-900);color:#fff;position:relative;overflow:hidden;padding:80px 0}
.cta-band::before{
  content:"";position:absolute;inset:auto 0 0 0;height:2px;
  background:linear-gradient(90deg,var(--brand-500) 0%,rgba(240,84,31,.15) 55%,transparent 100%);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;position:relative}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.24}
.cta-band p{color:rgba(255,255,255,.72);margin-top:18px;max-width:460px}
.cta-list{margin-top:26px}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82);padding:6px 0}
.cta-list li i{font-style:normal;color:var(--brand-500);font-weight:700}
.form-card{background:#fff;border-radius:var(--radius-m);padding:28px;box-shadow:var(--shadow-2)}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--ink-500);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-700);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line-hair);border-radius:12px;
  padding:14px;font-size:15px;color:var(--ink-900);
  transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out);
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-300)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(240,84,31,.16);
}
.field textarea{min-height:104px;resize:vertical}
.form-card .btn-main{width:100%;justify-content:center}
.form-foot{margin-top:14px;font-size:12.5px;color:var(--ink-300);line-height:1.7}
@media(max-width:991px){.cta-grid{grid-template-columns:1fr;gap:36px}.cta-band{padding:60px 0}}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line-hair);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-500);max-width:340px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink-900);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col p{font-size:14px;color:var(--ink-500);display:inline-block;transition:color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}
.footer-col a:hover{color:var(--brand-500);transform:translateX(-2px)}
.footer-col p{margin-bottom:8px}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line-hair);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--ink-300);letter-spacing:.02em;
}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:48px}}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand-500:#F0541F;
  --brand-600:#C8431A;
  --brand-100:#FFEDE4;
  --ink-900:#14161A;
  --ink-700:#33363C;
  --ink-500:#6E6A64;
  --ink-300:#A8A29B;
  --line-hair:#E6E1D9;
  --bg-canvas:#FAF7F2;
  --bg-soft:#F1EDE7;
  --white:#FFFFFF;
  --danger:#D64545;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06);
  --shadow-2:0 1px 2px rgba(20,22,26,.06),0 8px 24px -12px rgba(20,22,26,.14);
  --shadow-3:0 2px 6px rgba(20,22,26,.08),0 18px 38px -16px rgba(20,22,26,.22);
  --dur-fast:.16s;
  --dur-base:.24s;
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-num:"Inter","Barlow Condensed","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg-canvas);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink-900);text-decoration:none;transition:color var(--dur-fast) var(--ease-out);}
a:hover{color:var(--brand-500);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);font-weight:800;line-height:1.2;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
::selection{background:var(--brand-100);color:var(--brand-600);}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 覆盖 Bootstrap 默认观感 ---------- */
.btn,.btn:focus,.btn:active{box-shadow:none !important;border-radius:var(--radius-m);}
a.btn-primary{color:#fff;}
.card{border:1px solid var(--line-hair);border-radius:var(--radius-l);box-shadow:none;}
.form-control{border-radius:var(--radius-m);border:1px solid var(--line-hair);background:#fff;padding:14px 16px;color:var(--ink-900);box-shadow:none;}
.form-control:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(240,84,31,.15);}
.accordion-item,.accordion-button{background:transparent;border:0;}
.accordion-button:not(.collapsed){background:transparent;color:var(--ink-900);box-shadow:none;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-900);color:rgba(255,255,255,.72);font-size:12.5px;letter-spacing:.02em;}
.topbar .container-x{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;}
.topbar strong{color:#fff;font-weight:600;}
.topbar .topbar-right{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line-hair);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-500);color:#fff;
  font-family:var(--font-num);font-size:14px;font-weight:800;letter-spacing:.02em;
}
.logo:hover{color:var(--ink-900);}
.nav-list{display:flex;align-items:center;gap:8px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:600;color:var(--ink-700);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur-base) var(--ease-out);
}
.nav-link:hover,.nav-link.is-active{color:var(--brand-500);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:1px solid var(--line-hair);border-radius:var(--radius-pill);
  padding:9px 16px;font-size:14px;font-weight:600;color:var(--ink-700);cursor:pointer;
  transition:border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out);
}
.mega-trigger:hover{border-color:var(--brand-500);color:var(--brand-500);}
.mega-trigger .chev{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:720px;
  background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-l);
  box-shadow:var(--shadow-3);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),visibility var(--dur-fast);
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--ink-300);font-weight:700;margin-bottom:12px;text-transform:uppercase;}
.mega-col ul li+li{margin-top:10px;}
.mega-col ul a{font-size:14.5px;font-weight:600;color:var(--ink-700);}
.mega-col ul a:hover{color:var(--brand-500);}
.mega-card{border:1px solid var(--line-hair);border-radius:var(--radius-m);overflow:hidden;background:var(--bg-canvas);}
.mega-card img{width:100%;height:118px;object-fit:cover;}
.mega-card-body{padding:14px 16px 18px;}
.mega-card-body span{display:block;font-size:12px;color:var(--brand-600);font-weight:700;letter-spacing:.04em;margin-bottom:6px;}
.mega-card-body p{font-size:14px;color:var(--ink-500);line-height:1.7;}
.nav-toggle{
  display:none;margin-left:auto;background:#fff;border:1px solid var(--line-hair);
  border-radius:var(--radius-m);width:44px;height:44px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn-core{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--radius-m);padding:12px 22px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out);
}
.btn-solid{background:var(--brand-500);color:#fff;}
.btn-solid:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-outline{border-color:var(--ink-900);color:var(--ink-900);background:transparent;}
.btn-outline:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--line-hair);color:var(--ink-700);padding:9px 16px;font-size:14px;}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--brand-600);}
.link-arrow .arw{transition:transform var(--dur-base) var(--ease-out);}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-100);color:var(--brand-600);
  border-radius:var(--radius-pill);padding:5px 13px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-dark{display:inline-flex;align-items:center;background:var(--ink-900);color:#fff;border-radius:var(--radius-pill);padding:5px 13px;font-size:12.5px;font-weight:700;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{border-bottom:1px solid var(--line-hair);background:var(--bg-canvas);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding:18px 0;letter-spacing:.02em;}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--ink-300);}
.crumb .current{color:var(--ink-900);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{position:relative;padding:52px 0 40px;border-bottom:1px solid var(--line-hair);overflow:hidden;}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(250,247,242,.97) 0%,rgba(250,247,242,.90) 42%,rgba(250,247,242,.55) 100%),
             url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  z-index:0;
}
.article-head .container-x{position:relative;z-index:1;}
.article-cat{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.article-cat::before{content:"";width:26px;height:2px;background:var(--brand-500);display:inline-block;}
.article-title{
  font-size:clamp(30px,4.4vw,48px);font-weight:800;line-height:1.18;letter-spacing:-.015em;
  max-width:860px;margin-bottom:22px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--ink-500);letter-spacing:.02em;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-300);}
.article-meta .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--ink-900);font-weight:600;}

/* ---------- 主体布局 ---------- */
.main{padding:56px 0 88px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start;}

/* ---------- 正文排版 ---------- */
.article-panel{background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-l);padding:38px 40px;box-shadow:var(--shadow-1);}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--ink-700);}
.article-body>*+*{margin-top:1.2em;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);font-weight:800;color:var(--ink-900);
  line-height:1.4;padding-left:16px;margin-top:2em;scroll-margin-top:100px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand-500);}
.article-body h3{font-size:18.5px;font-weight:700;color:var(--ink-900);margin-top:1.7em;line-height:1.5;}
.article-body p{color:var(--ink-700);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(240,84,31,.35);}
.article-body a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500);}
.article-body ul,.article-body ol{padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-top:.6em;color:var(--ink-700);}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.article-body ol{counter-reset:num;}
.article-body ol li{counter-increment:num;}
.article-body ol li::before{
  content:counter(num);position:absolute;left:0;top:.42em;
  font-family:var(--font-num);font-size:12px;font-weight:800;color:var(--brand-600);
  width:16px;text-align:left;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:var(--bg-soft);
  border-left:4px solid var(--brand-500);border-radius:0 var(--radius-m) var(--radius-m) 0;
  color:var(--ink-700);
}
.article-body blockquote p{margin:0;font-size:15.5px;}
.article-body img{border-radius:var(--radius-m);margin:1.6em auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-500);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;border:1px solid var(--line-hair);border-radius:var(--radius-m);overflow:hidden;}
.article-body thead th{background:var(--bg-soft);color:var(--ink-900);font-weight:700;text-align:left;padding:12px 16px;border:0;}
.article-body tbody td{padding:12px 16px;border:0;border-top:1px solid var(--line-hair);color:var(--ink-700);}
.article-body tbody tr:nth-child(even){background:rgba(241,237,231,.5);}
.article-body hr{border:0;border-top:1px solid var(--line-hair);margin:2.2em 0;}

/* ---------- 文末操作区 ---------- */
.article-foot{margin-top:40px;padding-top:26px;border-top:1px solid var(--line-hair);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag-row .tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);background:var(--bg-soft);color:var(--ink-500);font-size:13px;font-weight:600;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out);}
.tag-row .tag:hover{background:var(--brand-100);color:var(--brand-600);}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.foot-actions .spacer{flex:1;}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--line-hair);border-radius:var(--radius-l);background:var(--bg-canvas);}
.empty-state .ico{width:56px;height:56px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-num);margin:0 auto 18px;font-size:20px;}
.empty-state h3{font-size:19px;margin-bottom:10px;}
.empty-state p{color:var(--ink-500);font-size:14.5px;margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.side{display:grid;gap:24px;}
.side-card{background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-l);padding:24px;box-shadow:var(--shadow-1);}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--brand-500);}
.hot-list li+li{border-top:1px solid var(--line-hair);}
.hot-list a{display:flex;gap:12px;align-items:flex-start;padding:13px 0;font-size:14.5px;font-weight:600;color:var(--ink-700);line-height:1.65;}
.hot-list a:hover{color:var(--brand-500);}
.hot-list .idx{font-family:var(--font-num);font-size:13px;font-weight:800;color:var(--ink-300);flex:0 0 20px;padding-top:2px;}
.hot-list a:hover .idx{color:var(--brand-500);}
.side-contact{background:var(--bg-soft);border-color:transparent;}
.side-contact p{font-size:14px;color:var(--ink-500);line-height:1.8;margin-bottom:16px;}
.side-contact .row{display:flex;justify-content:space-between;font-size:13.5px;padding:9px 0;border-bottom:1px solid rgba(20,22,26,.06);}
.side-contact .row:last-of-type{border-bottom:0;}
.side-contact .row span:first-child{color:var(--ink-500);}
.side-contact .row span:last-child{font-weight:700;color:var(--ink-900);font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;border-top:1px solid var(--line-hair);margin-top:72px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(23px,2.6vw,30px);}
.sec-head p{font-size:14px;color:var(--ink-500);margin-top:10px;max-width:620px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line-hair);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,84,31,.3);}
.rel-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-soft);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease-out);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.55;}
.rel-body p{font-size:14px;color:var(--ink-500);line-height:1.75;}
.rel-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-300);letter-spacing:.02em;font-family:var(--font-num);}

/* ---------- FAQ ---------- */
.faq-sec{padding:88px 0 0;}
.faq-wrap{display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:start;}
.faq-intro h2{font-size:clamp(23px,2.6vw,30px);margin-bottom:16px;}
.faq-intro p{color:var(--ink-500);font-size:15px;max-width:380px;}
.faq-list{border-top:1px solid var(--line-hair);}
.faq-item{border-bottom:1px solid var(--line-hair);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 26px;text-align:center;color:var(--brand-500);
  font-family:var(--font-num);font-size:22px;font-weight:700;line-height:1;
  transition:transform var(--dur-base) var(--ease-out);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item summary:hover{color:var(--brand-600);}
.faq-answer{padding:0 4px 24px;background:transparent;}
.faq-answer p{font-size:15px;color:var(--ink-500);line-height:1.9;background:var(--bg-soft);border-radius:var(--radius-m);padding:18px 20px;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink-900);color:#fff;margin-top:96px;padding:76px 0;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--brand-500),rgba(240,84,31,0));}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(25px,3vw,34px);margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9;max-width:460px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-points span{border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-pill);padding:7px 15px;font-size:13px;color:rgba(255,255,255,.86);}
.cta-form{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-l);padding:28px;display:grid;gap:14px;}
.cta-form label{font-size:13px;color:rgba(255,255,255,.7);font-weight:600;display:block;margin-bottom:6px;}
.cta-form .form-control{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff;}
.cta-form .form-control::placeholder{color:rgba(255,255,255,.42);}
.cta-form .form-control:focus{background:rgba(255,255,255,.1);border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(240,84,31,.24);}
.cta-form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);}

/* ---------- 页脚 ---------- */
.site-footer{background:#101216;color:rgba(255,255,255,.66);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul li+li{margin-top:12px;}
.footer-col ul a{color:rgba(255,255,255,.66);font-size:14px;display:inline-block;}
.footer-col ul a:hover{color:var(--brand-500);transform:translateX(-2px);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col p+p{margin-top:8px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);letter-spacing:.02em;}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:no-preference){
  .fade-up{animation:fu .22s var(--ease-out) both;}
  @keyframes fu{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 320px;}
}
@media (max-width:1199px){
  .side{grid-template-columns:1fr 1fr;}
  .side-contact{grid-column:1 / -1;}
}
@media (max-width:991px){
  .header-inner{min-height:68px;gap:14px;}
  .nav-toggle{display:flex;}
  .header-actions{display:none;}
  .nav-list{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line-hair);
    box-shadow:var(--shadow-3);padding:10px 24px 20px;
  }
  .site-header.is-open .nav-list{display:flex;}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line-hair);font-size:16px;}
  .nav-link::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .article-panel{padding:30px 26px;}
  .main{padding:44px 0 64px;}
  .article-head{padding:40px 0 32px;}
}
@media (max-width:767px){
  .container-x{padding:0 20px;}
  body{font-size:15.5px;}
  .rel-grid{grid-template-columns:1fr;}
  .side{grid-template-columns:1fr;}
  .cta-form .two{grid-template-columns:1fr;}
  .related{padding-top:48px;margin-top:48px;}
  .faq-sec{padding-top:56px;}
  .cta-band{margin-top:64px;padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-title{font-size:26px;}
  .crumb .current{max-width:200px;}
}
@media (max-width:520px){
  .article-panel{padding:24px 18px;}
  .article-body{font-size:15.5px;}
  .foot-actions .spacer{display:none;}
  .foot-actions .btn-core,.foot-actions .btn-ghost{width:100%;justify-content:center;}
}

/* roulang page: category2 */
:root{
  --brand-500:#F0541F;
  --brand-600:#C8431A;
  --brand-100:#FFEDE4;
  --ink-900:#14161A;
  --ink-700:#33363C;
  --ink-500:#6E6A64;
  --ink-300:#A8A29B;
  --bg-canvas:#FAF7F2;
  --bg-soft:#F1EDE7;
  --bg-white:#FFFFFF;
  --line-hair:#E6E1D9;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px -12px rgba(20,22,26,.14);
  --shadow-2:0 2px 4px rgba(20,22,26,.08),0 18px 40px -18px rgba(20,22,26,.22);
  --dur-fast:160ms;
  --dur-base:260ms;
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","Barlow Condensed",var(--font-sans);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg-canvas);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--dur-fast) var(--ease-out);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);font-weight:800;line-height:1.25;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;font-size:16px;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部信息条 ---------- */
.ticker{
  background:var(--ink-900);
  color:rgba(255,255,255,.74);
  font-size:12.5px;
  letter-spacing:.02em;
}
.ticker .container-x{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  flex-wrap:wrap;
}
.ticker span i{color:var(--brand-500);margin-right:6px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,247,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-hair);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:74px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-500);
  color:#fff;
  font-family:var(--font-num);
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
}
.logo:hover{color:var(--brand-600);}

.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  border-radius:var(--radius-s);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur-base) var(--ease-out);
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-600);}
.nav-link.is-active::after{transform:scaleX(1);}

.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-900);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-pill);
  background:#fff;
  transition:border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out);
}
.mega-trigger:hover{border-color:rgba(240,84,31,.45);color:var(--brand-600);transform:translateY(-1px);}
.mega-trigger .caret{
  width:6px;height:6px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:720px;
  background:#fff;
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-2);
  padding:26px;
  display:grid;
  grid-template-columns:1fr 1fr 200px;
  gap:26px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),visibility var(--dur-fast);
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-col h4{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-500);
  margin-bottom:12px;
}
.mega-col ul li{margin-bottom:2px;}
.mega-col ul a{
  display:block;
  padding:6px 0;
  font-size:14.5px;
  color:var(--ink-700);
}
.mega-col ul a:hover{color:var(--brand-600);}
.mega-col ul a::before{
  content:"›";
  color:var(--brand-500);
  margin-right:8px;
  opacity:.7;
}
.mega-card{
  display:block;
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  overflow:hidden;
  background:var(--bg-soft);
}
.mega-card img{aspect-ratio:16/10;object-fit:cover;transition:transform 400ms var(--ease-out);}
.mega-card:hover img{transform:scale(1.03);}
.mega-card span{
  display:block;
  padding:12px 14px;
  font-size:14px;
  font-weight:700;
  color:var(--ink-900);
}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-s);
  transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out);
}
.btn-primary-x{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary-x:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-primary-x:hover .arrow{transform:translateX(4px);}
.arrow{transition:transform var(--dur-fast) var(--ease-out);}
.btn-ghost-x{border:1px solid var(--ink-900);color:var(--ink-900);background:transparent;}
.btn-ghost-x:hover{background:var(--bg-soft);color:var(--ink-900);transform:translateY(-1px);}
.btn-light-x{border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent;}
.btn-light-x:hover{background:rgba(255,255,255,.1);color:#fff;}

.textlink{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand-600);
  padding-bottom:2px;
  background-image:linear-gradient(var(--brand-500),var(--brand-500));
  background-repeat:no-repeat;
  background-size:0 1px;
  background-position:left bottom;
  transition:background-size var(--dur-base) var(--ease-out);
}
.textlink:hover{background-size:100% 1px;color:var(--brand-600);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(120deg,rgba(20,22,26,.9) 0%,rgba(20,22,26,.72) 52%,rgba(20,22,26,.42) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
}
.page-hero .container-x{position:relative;z-index:2;padding-top:64px;padding-bottom:72px;}
.breadcrumb-x{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(255,255,255,.62);
  margin-bottom:26px;
}
.breadcrumb-x a{color:rgba(255,255,255,.82);}
.breadcrumb-x a:hover{color:var(--brand-500);}
.breadcrumb-x .sep{opacity:.5;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:22px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.16;
  letter-spacing:-.01em;
  max-width:19em;
}
.page-hero .hero-lead{
  margin-top:20px;
  max-width:44em;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{
  margin-top:52px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.18);
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:26px;
}
.fact-num{
  font-family:var(--font-num);
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  line-height:1.1;
}
.fact-num em{
  font-style:normal;
  font-size:14px;
  font-weight:700;
  color:var(--brand-500);
  margin-left:4px;
}
.fact-desc{font-size:13.5px;color:rgba(255,255,255,.66);margin-top:8px;line-height:1.7;}

/* ---------- 标签条 ---------- */
.tabbar{
  background:var(--bg-white);
  border-bottom:1px solid var(--line-hair);
  position:sticky;
  top:74px;
  z-index:40;
}
.tabbar-inner{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding:14px 0;
  scrollbar-width:none;
}
.tabbar-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  flex:0 0 auto;
  padding:9px 18px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-500);
  border:1px solid var(--line-hair);
  border-radius:var(--radius-pill);
  background:#fff;
  transition:all var(--dur-fast) var(--ease-out);
}
.tab-pill:hover{color:var(--brand-600);border-color:rgba(240,84,31,.4);background:var(--brand-100);}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0;}
.section.soft{background:var(--bg-soft);}
.section.white{background:var(--bg-white);}
.section-head{max-width:52em;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand-600);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand-500);}
.section-head h2{font-size:clamp(24px,3vw,36px);}
.section-head p{margin-top:16px;color:var(--ink-500);font-size:16px;line-height:1.9;}
.head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:44px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line-hair);
}
.head-row h2{font-size:clamp(24px,3vw,36px);}

/* ---------- 交替图文 ---------- */
.zig{display:flex;flex-direction:column;}
.zig-row{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:56px;
  align-items:center;
  padding:56px 0;
  border-top:1px solid var(--line-hair);
}
.zig-row:first-child{border-top:0;padding-top:8px;}
.zig-row.reverse .zig-media{order:2;}
.zig-media{
  position:relative;
  border-radius:var(--radius-m);
  overflow:hidden;
  border:1px solid var(--line-hair);
  box-shadow:var(--shadow-1);
  background:var(--bg-soft);
}
.zig-media img{aspect-ratio:4/3;object-fit:cover;transition:transform 420ms var(--ease-out);}
.zig-media:hover img{transform:scale(1.03);}
.zig-num{
  position:absolute;
  left:18px;
  top:8px;
  font-family:var(--font-num);
  font-size:64px;
  font-weight:800;
  color:rgba(255,255,255,.78);
  text-shadow:0 2px 18px rgba(20,22,26,.35);
  line-height:1;
  letter-spacing:-.02em;
}
.zig-body h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:16px;}
.zig-body p{color:var(--ink-500);font-size:15.8px;line-height:1.9;}
.zig-list{margin-top:18px;}
.zig-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  font-size:15px;
  color:var(--ink-700);
}
.zig-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand-100);
  border:2px solid var(--brand-500);
}
.tag-inline{
  display:inline-block;
  padding:5px 12px;
  margin:0 8px 8px 0;
  font-size:12.5px;
  font-weight:700;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-600);
}

/* ---------- 规格对比（条纹行） ---------- */
.spec-rows{
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  overflow:hidden;
  background:#fff;
}
.spec-row{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr 1fr;
  gap:20px;
  padding:22px 26px;
  align-items:center;
  border-top:1px solid var(--line-hair);
  transition:background var(--dur-fast) var(--ease-out);
}
.spec-row:first-child{border-top:0;}
.spec-row:nth-child(even){background:var(--bg-canvas);}
.spec-row:hover{background:var(--brand-100);}
.spec-row.spec-head-row{
  background:var(--ink-900);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
}
.spec-row.spec-head-row:hover{background:var(--ink-900);}
.spec-name{font-size:16px;font-weight:700;color:var(--ink-900);}
.spec-name small{display:block;font-size:13px;font-weight:500;color:var(--ink-500);margin-top:4px;}
.spec-cell{font-size:14.5px;color:var(--ink-500);}
.spec-cell strong{color:var(--ink-900);font-weight:700;}
.spec-head-row span{color:rgba(255,255,255,.7);}

/* ---------- 两列要点清单 ---------- */
.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}
.check-panel{
  background:#fff;
  border:1px solid var(--line-hair);
  border-radius:var(--radius-m);
  padding:30px 30px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);
}
.check-panel:hover{transform:translateY(-4px);border-color:rgba(240,84,31,.3);}
.check-panel h3{font-size:19px;margin-bottom:6px;}
.check-panel .panel-note{font-size:13.5px;color:var(--ink-500);margin-bottom:18px;}
.check-list li{
  display:flex;
  gap:12px;
  padding:13px 0;
  border-top:1px solid var(--line-hair);
  font-size:15px;
  color:var(--ink-700);
  line-height:1.75;
}
.check-list li:first-child{border-top:0;padding-top:0;}
.check-list li i{
  flex:0 0 auto;
  margin-top:6px;
  color:var(--brand-500);
  font-size:13px;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:56px;
  align-items:start;
}
.faq-side h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px;}
.faq-side p{color:var(--ink-500);font-size:15.5px;}
.faq-side .side-links{margin-top:24px;}
.faq-side .side-links a{display:block;padding:8px 0;font-size:14.5px;font-weight:600;color:var(--ink-700);}
.faq-side .side-links a:hover{color:var(--brand-600);}
.faq-list{border-top:1px solid var(--line-hair);}
.faq-item{border-bottom:1px solid var(--line-hair);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .mark{
  position:relative;
  flex:0 0 auto;
  width:18px;height:18px;
  transition:transform var(--dur-base) var(--ease-out);
}
.faq-item summary .mark::before,
.faq-item summary .mark::after{
  content:"";
  position:absolute;
  background:var(--brand-500);
  border-radius:2px;
  transition:transform var(--dur-base) var(--ease-out);
}
.faq-item summary .mark::before{left:0;top:8px;width:18px;height:2px;}
.faq-item summary .mark::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] summary .mark{transform:rotate(90deg);}
.faq-item[open] summary .mark::after{transform:scaleY(0);}
.faq-item[open] summary{color:var(--brand-600);}
.faq-answer{
  padding:0 4px 24px;
  font-size:15.5px;
  color:var(--ink-500);
  line-height:1.9;
  background:transparent;
}

/* ---------- CTA ---------- */
.cta-band{
  background:
    linear-gradient(115deg,rgba(20,22,26,.96),rgba(20,22,26,.9)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  color:#fff;
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand-500),transparent 60%);
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.cta-grid h2{color:#fff;font-size:clamp(24px,3vw,36px);}
.cta-grid .cta-text p{color:rgba(255,255,255,.74);margin-top:18px;font-size:16px;}
.cta-points{margin-top:28px;}
.cta-points li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:15px;
  color:rgba(255,255,255,.82);
}
.cta-points li i{color:var(--brand-500);margin-top:6px;font-size:13px;}
.form-x{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-m);
  padding:30px;
}
.form-x .field{margin-bottom:18px;}
.form-x label{
  display:block;
  font-size:13.5px;
  font-weight:700;
  color:rgba(255,255,255,.7);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.form-x input,
.form-x textarea{
  width:100%;
  padding:13px 15px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.96);
  color:var(--ink-900);
  transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out);
}
.form-x textarea{min-height:104px;resize:vertical;}
.form-x input::placeholder,
.form-x textarea::placeholder{color:var(--ink-300);}
.form-x input:focus,
.form-x textarea:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(240,84,31,.28);
}
.form-x .form-hint{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:12px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.62);
  padding:72px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand .logo:hover{color:var(--brand-500);}
.footer-brand p{color:rgba(255,255,255,.6);line-height:1.9;font-size:14.5px;max-width:30em;}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.08em;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  color:rgba(255,255,255,.62);
  display:inline-block;
  transition:color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out);
}
.footer-col a:hover{color:var(--brand-500);transform:translateX(2px);}
.footer-col p{color:rgba(255,255,255,.6);margin-bottom:10px;line-height:1.85;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega-panel{width:640px;grid-template-columns:1fr 1fr;}
  .mega-card{grid-column:span 2;}
}
@media (max-width:991px){
  .container-x{padding:0 20px;}
  .section{padding:72px 0;}
  .header-inner{min-height:66px;gap:16px;}
  .nav-list{gap:2px;}
  .nav-link{padding:9px 10px;font-size:14.5px;}
  .mega-wrap{display:none;}
  .page-hero .container-x{padding-top:52px;padding-bottom:56px;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .zig-row{grid-template-columns:1fr;gap:28px;padding:44px 0;}
  .zig-row.reverse .zig-media{order:0;}
  .two-col{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cta-band{padding:68px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .tabbar{top:66px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .ticker .container-x{justify-content:flex-start;gap:10px;}
  .ticker .ticker-right{display:none;}
  .header-inner{flex-wrap:wrap;padding:10px 0;gap:10px;}
  .logo{font-size:16.5px;}
  .nav-list{width:100%;margin-left:0;overflow-x:auto;padding-bottom:4px;}
  .nav-link{white-space:nowrap;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions .btn-x{flex:1 1 auto;justify-content:center;}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:20px;}
  .spec-row.spec-head-row{display:none;}
  .spec-cell{font-size:14px;}
  .spec-cell::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    font-weight:700;
    letter-spacing:.06em;
    color:var(--ink-300);
    margin-bottom:2px;
  }
  .check-panel{padding:24px 22px;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .footer-grid{grid-template-columns:1fr;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-facts{grid-template-columns:1fr 1fr;}
  .fact-desc{font-size:12.5px;}
  .zig-num{font-size:48px;}
  .form-x{padding:22px;}
  .btn-x{width:100%;justify-content:center;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}