/* roulang page: index */
:root {
  --bg: #0B0F1A;
  --bg-soft: #111827;
  --accent: #00E08F;
  --accent-warm: #FF6B2C;
  --info: #7CC5FF;
  --text: #F1F5F9;
  --text-2: #94A3B8;
  --text-3: #64748B;
  --border: rgba(255,255,255,0.08);
  --glass: rgba(255,255,255,0.04);
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --shadow-green: 0 0 28px rgba(0,224,143,0.2);
  --ease: cubic-bezier(.22,.61,.36,1);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; transition:color .2s var(--ease); }
button { font-family:inherit; cursor:pointer; }
input { font-family:inherit; }
.container { max-width:1280px; margin:0 auto; padding:0 24px; }
@media (max-width:768px){ .container { padding:0 16px; } }

/* 区块间距 */
.section { padding:96px 0; }
.section-sm { padding:64px 0; }
@media (max-width:768px){ .section { padding:64px 0; } }

/* 小标签 */
.eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; letter-spacing:1.5px;
  color:var(--accent); background:rgba(0,224,143,.08);
  border:1px solid rgba(0,224,143,.2);
  padding:6px 16px; border-radius:999px;
  font-weight:600;
}

/* 按钮 */
.btn-primary {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background:var(--accent); color:#04120a;
  font-weight:700; font-size:15px;
  padding:14px 32px; border-radius:999px;
  border:none; transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn-primary:hover { background:#34f5ab; box-shadow:0 0 24px rgba(0,224,143,.45); transform:translateY(-2px); }
.btn-primary:active { transform:scale(.98); }
.btn-primary:focus-visible { outline:3px solid rgba(0,224,143,.4); outline-offset:2px; }

.btn-ghost {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background:transparent; color:var(--text);
  font-weight:600; font-size:15px;
  padding:13px 30px; border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  transition:all .25s var(--ease);
}
.btn-ghost:hover { border-color:var(--accent); background:rgba(0,224,143,.06); color:var(--accent); }
.btn-ghost:focus-visible { outline:3px solid rgba(0,224,143,.35); outline-offset:2px; }

/* Header */
.site-header {
  position:sticky; top:0; z-index:100;
  height:72px;
  background:rgba(11,15,26,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner {
  position:relative; height:72px;
  display:flex; align-items:center; justify-content:space-between;
}
.logo {
  position:absolute; left:50%; top:50%;
  transform:translate(-50%,-50%);
  font-size:20px; font-weight:800; letter-spacing:.5px;
  color:var(--text); display:flex; align-items:center; gap:6px;
  white-space:nowrap;
}
.logo-badge {
  font-size:10px; font-weight:700;
  background:var(--accent); color:#04120a;
  padding:2px 8px; border-radius:999px; letter-spacing:1px;
}
.nav-left, .nav-right { display:flex; align-items:center; gap:6px; }
.nav-link {
  padding:8px 14px; font-size:14px; font-weight:500;
  color:var(--text-2); border-radius:999px;
  transition:all .2s var(--ease); position:relative;
  white-space:nowrap;
}
.nav-link:hover { color:var(--text); background:rgba(255,255,255,.04); }
.nav-link.active { color:var(--accent); font-weight:600; }
.nav-link.active::after {
  content:"";
  position:absolute; left:50%; bottom:0;
  transform:translateX(-50%);
  width:4px; height:4px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 8px var(--accent);
}
.nav-cta {
  padding:10px 22px; border-radius:999px;
  font-size:14px;
}
.mobile-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px; }
.mobile-toggle span { width:22px; height:2px; background:var(--text); border-radius:2px; transition:all .3s var(--ease); }

@media (max-width:1024px){
  .nav-left .nav-link:nth-child(2), .nav-left .nav-link:nth-child(3) { display:none; }
  .nav-right .nav-link:nth-child(1) { display:none; }
  .nav-cta { margin-left:auto; }
}
@media (max-width:768px){
  .nav-left, .nav-right { display:none; }
  .mobile-toggle { display:flex; }
  .logo { position:static; transform:none; font-size:17px; }
  .nav-cta { display:none; }
  .header-inner { justify-content:space-between; }
}
.mobile-menu {
  display:none;
  position:fixed; top:72px; left:0; right:0;
  background:rgba(11,15,26,.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:24px 20px 32px;
  flex-direction:column; gap:8px;
  z-index:99;
}
.mobile-menu.open { display:flex; }
.mobile-menu a {
  font-size:17px; font-weight:600; color:var(--text);
  padding:14px 12px; border-radius:12px;
  transition:background .2s var(--ease);
}
.mobile-menu a:hover { background:rgba(255,255,255,.05); color:var(--accent); }
.mobile-menu a.active { color:var(--accent); }

/* Hero */
.hero {
  position:relative;
  min-height:720px;
  display:flex; align-items:center;
  overflow:hidden;
  background:
    linear-gradient(90deg, rgba(11,15,26,.92) 0%, rgba(11,15,26,.65) 45%, rgba(11,15,26,.35) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-grid-overlay {
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.hero-arc {
  position:absolute; right:-10%; bottom:-30%;
  width:500px; height:500px;
  border:1.5px solid rgba(0,224,143,.15);
  border-radius:50%;
  pointer-events:none;
}
.hero-inner {
  position:relative; z-index:2;
  display:grid; grid-template-columns:1.1fr .9fr; gap:60px;
  align-items:center; padding:80px 0 70px;
}
.hero-left h1 {
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:800; line-height:1.25; letter-spacing:-.5px;
  margin:20px 0 18px;
}
.hero-left h1 span { color:var(--accent); }
.hero-subtitle {
  font-size:17px; color:var(--text-2); line-height:1.85;
  max-width:480px; margin-bottom:32px;
}
.hero-cta { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:48px; }
.hero-stats {
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
  max-width:520px;
}
.stat-item .stat-num {
  font-family:"DIN Alternate","Bahnschrift",tabular-nums;
  font-size:30px; font-weight:700; color:var(--text);
  display:block; line-height:1.2;
}
.stat-item .stat-num em { font-style:normal; color:var(--accent); font-size:20px; margin-left:2px; }
.stat-item .stat-label {
  font-size:12px; color:var(--text-3); margin-top:4px; letter-spacing:.5px;
}

/* Hero 登录面板 */
.hero-panel {
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border);
  border-radius:20px;
  padding:28px;
  box-shadow:var(--shadow);
  max-width:380px; margin-left:auto;
}
.panel-header { display:flex; align-items:center; gap:10px; margin-bottom:22px; }
.panel-dot { width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px var(--accent); }
.panel-title { font-size:15px; font-weight:700; }
.panel-status {
  margin-left:auto; font-size:11px; color:var(--text-2);
  background:rgba(0,224,143,.1); padding:3px 10px; border-radius:999px;
}
.panel-field { margin-bottom:16px; }
.panel-field label {
  display:block; font-size:12px; color:var(--text-2);
  margin-bottom:6px; letter-spacing:.5px;
}
.panel-field input {
  width:100%; background:rgba(11,15,26,.65);
  border:1px solid rgba(255,255,255,.1);
  border-radius:10px; padding:12px 14px;
  color:var(--text); font-size:14px;
  outline:none; transition:all .2s var(--ease);
}
.panel-field input::placeholder { color:var(--text-3); }
.panel-field input:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(0,224,143,.15); }
.panel-links { display:flex; justify-content:space-between; margin-top:14px; font-size:12px; color:var(--text-3); }
.panel-links span:last-child { color:var(--info); cursor:pointer; }
.panel-tip {
  margin-top:18px; padding:12px; border-radius:10px;
  background:rgba(124,197,255,.06); border:1px solid rgba(124,197,255,.12);
  font-size:12px; color:var(--text-2); text-align:center;
}

@media (max-width:1024px){
  .hero { min-height:auto; }
  .hero-inner { grid-template-columns:1fr; gap:40px; padding:64px 0; }
  .hero-panel { margin:0 auto; }
}
@media (max-width:768px){
  .hero-inner { padding:48px 0; }
  .hero-stats { grid-template-columns:repeat(2,1fr); gap:16px; }
  .hero-left h1 { font-size:1.8rem; }
  .hero-subtitle { font-size:15px; }
}

/* 区块标题 */
.sec-header { text-align:center; max-width:680px; margin:0 auto 56px; }
.sec-header h2 {
  font-size:clamp(1.6rem,3vw,2rem);
  font-weight:700; letter-spacing:-.3px;
  margin:16px 0 12px;
}
.sec-header p { color:var(--text-2); font-size:15px; line-height:1.8; }

/* Bentoo 功能 */
.bento-grid {
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.bento-card {
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  transition:all .25s var(--ease);
  position:relative; overflow:hidden;
}
.bento-card:hover {
  border-color:rgba(0,224,143,.35);
  box-shadow:var(--shadow-green);
  transform:translateY(-4px);
}
.bento-card .icon {
  width:44px; height:44px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,224,143,.1); border:1px solid rgba(0,224,143,.2);
  margin-bottom:18px;
}
.bento-card .icon svg { width:22px; height:22px; stroke:var(--accent); fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.bento-card h3 { font-size:1.125rem; font-weight:650; margin-bottom:8px; }
.bento-card p { font-size:14px; color:var(--text-2); line-height:1.75; }
.bento-lg { grid-column:span 2; grid-row:span 2; }
.bento-sm { grid-column:span 1; }
.bento-md { grid-column:span 1; }

.bento-lg .bento-visual {
  margin-top:24px; height:160px;
  border-radius:12px; background:
    linear-gradient(135deg, rgba(0,224,143,.08), rgba(11,15,26,.5)),
    repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(255,255,255,.03) 12px, rgba(255,255,255,.03) 14px);
  border:1px solid rgba(255,255,255,.06);
  position:relative;
}
.bento-lg .bento-visual .mini-card {
  position:absolute; width:80px; height:52px;
  background:rgba(11,15,26,.8); border:1px solid rgba(255,255,255,.1);
  border-radius:8px; padding:8px;
  display:flex; flex-direction:column; gap:4px;
}
.bento-lg .bento-visual .mini-card i { display:block; height:4px; border-radius:2px; background:rgba(0,224,143,.6); }
.bento-lg .bento-visual .mini-card i:nth-child(2){ width:80%; opacity:.7; }
.bento-lg .bento-visual .mini-card i:nth-child(3){ width:60%; opacity:.4; }

@media (max-width:1024px){
  .bento-grid { grid-template-columns:repeat(2,1fr); }
  .bento-lg { grid-column:span 2; }
}
@media (max-width:640px){
  .bento-grid { grid-template-columns:1fr; }
  .bento-lg { grid-column:span 1; }
}

/* 场景 */
.scene-row {
  display:grid; grid-template-columns:1fr 1fr; gap:56px;
  align-items:center; margin-bottom:80px;
}
.scene-row:last-child { margin-bottom:0; }
.scene-row.reverse .scene-img { order:2; }
.scene-row.reverse .scene-content { order:1; }
.scene-img {
  position:relative; border-radius:var(--radius);
  overflow:hidden; border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.scene-img img { width:100%; height:320px; object-fit:cover; transition:transform .5s var(--ease); }
.scene-img:hover img { transform:scale(1.05); }
.scene-img .tag {
  position:absolute; top:16px; left:16px;
  font-size:12px; background:rgba(11,15,26,.8);
  backdrop-filter:blur(8px);
  padding:5px 14px; border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
}
.scene-content .num {
  font-family:"DIN Alternate","Bahnschrift",tabular-nums;
  font-size:48px; font-weight:800;
  color:rgba(0,224,143,.25); line-height:1;
  margin-bottom:12px;
}
.scene-content h3 { font-size:1.4rem; font-weight:700; margin-bottom:10px; }
.scene-content p { color:var(--text-2); font-size:15px; max-width:460px; margin-bottom:6px; }
.scene-link {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--accent); font-size:14px; font-weight:600;
  margin-top:14px;
}
.scene-link:hover span { transform:translateX(4px); }
.scene-link span { transition:transform .2s var(--ease); }

@media (max-width:768px){
  .scene-row { grid-template-columns:1fr; gap:28px; margin-bottom:64px; }
  .scene-row.reverse .scene-img { order:0; }
  .scene-row.reverse .scene-content { order:1; }
  .scene-img img { height:220px; }
}

/* 案例 */
.case-big {
  position:relative; border-radius:20px; overflow:hidden;
  border:1px solid var(--border);
  margin-bottom:20px; min-height:360px;
  display:flex; align-items:flex-end;
  background:
    linear-gradient(0deg, rgba(11,15,26,.88) 0%, rgba(11,15,26,.35) 60%, rgba(11,15,26,.1) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.case-big-content { padding:48px; width:100%; }
.case-big h3 { font-size:1.6rem; font-weight:700; margin-bottom:8px; }
.case-big p { color:var(--text-2); font-size:15px; max-width:560px; margin-bottom:24px; }
.case-stats { display:flex; gap:40px; flex-wrap:wrap; }
.case-stats .cs-num {
  font-family:"DIN Alternate","Bahnschrift",tabular-nums;
  font-size:32px; font-weight:700; color:var(--accent);
}
.case-stats .cs-label { font-size:13px; color:var(--text-3); }

.case-small-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.case-small {
  display:grid; grid-template-columns:180px 1fr; gap:0;
  background:var(--glass);
  backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden; transition:all .25s var(--ease);
}
.case-small:hover { transform:translateY(-4px); border-color:rgba(0,224,143,.3); box-shadow:var(--shadow-green); }
.case-small img { width:100%; height:100%; object-fit:cover; min-height:160px; }
.case-small-content { padding:22px; }
.case-small-content h4 { font-size:1rem; font-weight:650; margin-bottom:6px; }
.case-small-content p { font-size:13px; color:var(--text-2); line-height:1.65; }

@media (max-width:768px){
  .case-big { min-height:300px; }
  .case-big-content { padding:28px; }
  .case-small-grid { grid-template-columns:1fr; }
  .case-small { grid-template-columns:120px 1fr; }
  .case-small img { min-height:130px; }
}
@media (max-width:520px){
  .case-small { grid-template-columns:1fr; }
  .case-small img { min-height:180px; }
}

/* 价格 */
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; align-items:stretch; }
.pricing-card {
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--border);
  border-radius:20px;
  padding:36px 32px;
  position:relative;
  transition:all .25s var(--ease);
  display:flex; flex-direction:column;
}
.pricing-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.pricing-card.featured {
  border:1.5px solid var(--accent-warm);
  background:rgba(255,107,44,.05);
  box-shadow:0 0 40px rgba(255,107,44,.08);
  margin:-10px 0;
  padding:44px 32px;
}
.pricing-badge {
  position:absolute; top:-14px; left:50%; transform:translateX(-50%);
  background:var(--accent-warm); color:#fff;
  font-size:12px; font-weight:700;
  padding:4px 18px; border-radius:999px;
  box-shadow:0 4px 16px rgba(255,107,44,.3);
  letter-spacing:.5px;
}
.pricing-name { font-size:16px; font-weight:700; color:var(--text-2); margin-bottom:14px; }
.pricing-price { margin-bottom:24px; }
.pricing-price .price {
  font-family:"DIN Alternate","Bahnschrift",tabular-nums;
  font-size:44px; font-weight:800; color:var(--text);
  line-height:1;
}
.pricing-price .price small { font-size:16px; color:var(--text-3); margin-left:4px; font-weight:400; }
.pricing-price .unit { font-size:13px; color:var(--text-3); margin-top:4px; display:block; }
.pricing-features { list-style:none; margin-bottom:32px; flex-grow:1; }
.pricing-features li {
  padding:8px 0; font-size:14px; color:var(--text-2);
  display:flex; align-items:center; gap:10px;
}
.pricing-features li .check {
  width:18px; height:18px; border-radius:50%;
  background:rgba(0,224,143,.15); color:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-size:11px; flex-shrink:0;
}
.pricing-card.featured .pricing-features li .check { background:rgba(255,107,44,.15); color:var(--accent-warm); }

@media (max-width:1024px){
  .pricing-grid { grid-template-columns:1fr; max-width:520px; margin:0 auto; }
  .pricing-card.featured { margin:10px 0; }
}

/* 资讯列表 */
.news-section { position:relative; }
.news-section::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:56px 56px;
}
.news-list { max-width:860px; margin:0 auto; position:relative; z-index:2; }
.news-item {
  display:grid; grid-template-columns:88px 1fr 44px;
  align-items:center; gap:24px;
  padding:24px 18px;
  border-bottom:1px solid rgba(255,255,255,.06);
  border-radius:12px;
  transition:background .2s var(--ease);
}
.news-item:hover { background:rgba(255,255,255,.03); }
.news-item:hover .news-arrow { transform:translateX(6px); color:var(--accent); border-color:var(--accent); }
.news-date {
  text-align:center; padding:10px 0;
  border-right:1px solid rgba(255,255,255,.08);
}
.news-date .day {
  font-family:"DIN Alternate","Bahnschrift",tabular-nums;
  font-size:32px; font-weight:700; color:var(--navy);
  display:block; line-height:1.1;
  color:var(--text);
}
.news-date .ym { font-size:12px; color:var(--text-3); }
.news-info h3 { font-size:1rem; font-weight:650; margin-bottom:6px; transition:color .2s var(--ease); }
.news-item:hover .news-info h3 { color:var(--accent); }
.news-info p {
  font-size:14px; color:var(--text-2); line-height:1.65;
  overflow:hidden; text-overflow:ellipsis; display:-webkit-box;
  -webkit-line-clamp:1; -webkit-box-orient:vertical;
}
.news-meta { display:flex; align-items:center; gap:14px; margin-top:8px; }
.news-meta .tag {
  font-size:11px; color:var(--accent);
  background:rgba(0,224,143,.1);
  border:1px solid rgba(0,224,143,.15);
  padding:2px 10px; border-radius:999px;
}
.news-meta .time { font-size:12px; color:var(--text-3); }
.news-arrow {
  width:40px; height:40px; border-radius:50%;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-2); transition:all .2s var(--ease);
  flex-shrink:0;
}
.empty-state {
  text-align:center; padding:60px 24px;
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--border);
  border-radius:16px;
  color:var(--text-3); font-size:14px;
}

@media (max-width:640px){
  .news-item { grid-template-columns:64px 1fr 36px; gap:14px; padding:18px 10px; }
  .news-date .day { font-size:24px; }
  .news-info p { -webkit-line-clamp:2; }
}

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  background:var(--glass);
  backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:14px; overflow:hidden;
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.faq-item.open { border-color:rgba(0,224,143,.35); box-shadow:0 0 24px rgba(0,224,143,.08); }
.faq-q {
  width:100%; display:flex; justify-content:space-between; align-items:center;
  background:none; border:none; padding:22px 26px;
  font-size:16px; font-weight:600; color:var(--text); text-align:left;
  gap:16px; transition:color .2s var(--ease);
}
.faq-q:hover { color:var(--accent); }
.faq-q .icon {
  width:32px; height:32px; border-radius:50%;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; font-size:18px; color:var(--text-2);
  transition:all .3s var(--ease);
}
.faq-item.open .faq-q .icon { transform:rotate(45deg); border-color:var(--accent); color:var(--accent); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .35s var(--ease); }
.faq-a-inner { padding:0 26px 22px; font-size:14px; color:var(--text-2); line-height:1.85; }
.faq-more { text-align:center; margin-top:32px; font-size:14px; color:var(--text-3); }
.faq-more a { color:var(--info); font-weight:600; }
.faq-more a:hover { text-decoration:underline; }

/* CTA */
.cta-section { padding:80px 0; }
.cta-box {
  position:relative; overflow:hidden;
  border-radius:24px;
  background:
    radial-gradient(ellipse at center, rgba(0,224,143,.15) 0%, transparent 60%),
    linear-gradient(135deg, rgba(11,15,26,.92), rgba(17,24,39,.7)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid var(--border);
  padding:80px 32px; text-align:center;
}
.cta-box h2 {
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:800; margin-bottom:14px;
}
.cta-box p { color:var(--text-2); font-size:16px; margin-bottom:34px; }

/* Footer */
.site-footer {
  background:#070A12;
  border-top:1px solid var(--border);
  padding:72px 0 0;
  position:relative;
}
.site-footer::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:44px 44px;
}
.footer-grid {
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:48px;
  position:relative; z-index:2;
  padding-bottom:56px;
}
.footer-logo .logo { position:static; transform:none; display:inline-flex; font-size:19px; margin-bottom:16px; }
.footer-logo p { font-size:14px; color:var(--text-3); max-width:260px; line-height:1.8; }
.footer-col h4 { font-size:14px; font-weight:700; color:var(--text); margin-bottom:18px; letter-spacing:.5px; }
.footer-col a {
  display:block; font-size:14px; color:var(--text-3);
  padding:6px 0; transition:color .2s var(--ease), padding-left .2s var(--ease);
}
.footer-col a:hover { color:var(--accent); padding-left:6px; }
.footer-bottom {
  border-top:1px solid var(--border);
  padding:22px 0;
  font-size:13px; color:var(--text-3);
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  position:relative; z-index:2;
}
@media (max-width:768px){
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:520px){
  .footer-grid { grid-template-columns:1fr; }
}

/* Focus 可见性 */
a:focus-visible, button:focus-visible {
  outline:3px solid rgba(0,224,143,.4); outline-offset:2px;
}
/* 减弱动画 */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after {
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
  }
  html { scroll-behavior:auto; }
}

/* roulang page: article */
:root {
    --bg: #0B0F1A;
    --bg-soft: #111827;
    --accent: #00E08F;
    --accent-warm: #FF6B2C;
    --info: #7CC5FF;
    --text: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-weak: #64748B;
    --border: rgba(255,255,255,0.08);
    --glass: rgba(255,255,255,0.04);
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 10px 30px rgba(0,0,0,0.35);
    --shadow-accent: 0 0 28px rgba(0,224,143,0.20);
    --transition: all 0.25s ease-out;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
  }

  img {
    display: block;
    max-width: 100%;
    height: auto;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul, ol {
    list-style: none;
  }

  button, input {
    font-family: inherit;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 72px;
    background: rgba(11, 15, 26, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
  }

  .site-header .header-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text);
    white-space: nowrap;
    letter-spacing: 0.02em;
    transition: var(--transition);
  }

  .logo:hover {
    color: var(--accent);
  }

  .logo-badge {
    background: var(--accent);
    color: #0B0F1A;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
    line-height: 1.6;
  }

  .nav-left,
  .nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 2px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
  }

  .nav-link:hover {
    color: var(--text);
  }

  .nav-link.active {
    color: var(--text);
    border-bottom-color: var(--accent);
  }

  .nav-link.active::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 6px;
    vertical-align: 2px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    padding: 10px 22px;
  }

  .btn-primary {
    background: var(--accent);
    color: #0B0F1A;
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  }

  .btn-primary:hover {
    box-shadow: 0 0 24px rgba(0, 224, 143, 0.45);
    transform: translateY(-2px);
    background: #2bf0a3;
  }

  .btn-primary:active {
    transform: scale(0.98);
  }

  .btn-primary:focus-visible {
    outline: 3px solid rgba(0, 224, 143, 0.5);
    outline-offset: 2px;
  }

  .btn-sm {
    padding: 7px 16px;
    font-size: 0.875rem;
  }

  .nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.6rem;
    line-height: 1;
    padding: 6px;
    cursor: pointer;
    border-radius: 8px;
  }

  .nav-toggle:focus-visible {
    outline: 3px solid var(--accent);
  }

  .mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11, 15, 26, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    flex-direction: column;
    gap: 18px;
    z-index: 49;
  }

  .mobile-nav a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 10px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
  }

  .mobile-nav a:hover,
  .mobile-nav a.active {
    color: var(--accent);
  }

  /* ===== Article Banner ===== */
  .article-banner {
    position: relative;
    padding: 72px 0 48px;
    background:
      linear-gradient(90deg, rgba(11, 15, 26, 0.92) 0%, rgba(11, 15, 26, 0.75) 60%, rgba(11, 15, 26, 0.95) 100%),
      url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
  }

  .article-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
  }

  .article-banner .container {
    position: relative;
    z-index: 2;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-weak);
    margin-bottom: 20px;
  }

  .breadcrumb a {
    color: var(--info);
    transition: var(--transition);
  }

  .breadcrumb a:hover {
    color: var(--accent);
  }

  .breadcrumb .sep {
    color: var(--text-weak);
  }

  .article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--text);
    letter-spacing: -0.01em;
    max-width: 900px;
    margin-bottom: 20px;
  }

  .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
  }

  .article-meta .tag {
    background: rgba(0, 224, 143, 0.12);
    color: var(--accent);
    border-radius: 999px;
    padding: 3px 12px;
    font-size: 0.8rem;
    font-weight: 600;
  }

  /* ===== Article Content ===== */
  .article-content {
    padding: 56px 0 64px;
  }

  .article-container {
    max-width: 880px;
    margin: 0 auto;
  }

  .article-body {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 44px 52px;
    box-shadow: var(--shadow);
    font-size: 1rem;
    line-height: 1.85;
    color: rgba(241, 245, 249, 0.92);
  }

  .article-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    margin: 2.2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
  }

  .article-body h3 {
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--text);
    margin: 1.8rem 0 0.8rem;
  }

  .article-body p {
    margin-bottom: 1.2rem;
  }

  .article-body ul,
  .article-body ol {
    margin: 0 0 1.2rem 1.5rem;
  }

  .article-body ul {
    list-style: disc;
  }

  .article-body ol {
    list-style: decimal;
  }

  .article-body li {
    margin-bottom: 0.4rem;
  }

  .article-body blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(0, 224, 143, 0.06);
    padding: 14px 20px;
    border-radius: 0 12px 12px 0;
    margin: 1.5rem 0;
    color: var(--text-secondary);
  }

  .article-body code {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, monospace;
  }

  .article-body pre {
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
    margin: 1.5rem 0;
  }

  .article-body pre code {
    background: none;
    border: none;
    padding: 0;
  }

  .article-body img {
    border-radius: 14px;
    margin: 1.5rem 0;
    border: 1px solid var(--border);
  }

  .article-empty {
    background: var(--glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 72px 24px;
    text-align: center;
    color: var(--text-secondary);
  }

  .article-empty .empty-icon {
    font-size: 3rem;
    color: var(--text-weak);
    margin-bottom: 16px;
  }

  .article-empty a {
    color: var(--accent);
    font-weight: 600;
    border-bottom: 1px solid transparent;
  }

  .article-empty a:hover {
    border-bottom-color: var(--accent);
  }

  /* ===== Related News ===== */
  .related-news {
    padding: 64px 0;
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
  }

  .section-title {
    font-size: clamp(1.6rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 36px;
    color: var(--text);
    letter-spacing: -0.02em;
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .related-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
  }

  .related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 224, 143, 0.35);
    box-shadow: 0 0 28px rgba(0, 224, 143, 0.15);
  }

  .related-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
  }

  .related-card .card-body {
    padding: 20px;
  }

  .related-card .card-title {
    font-size: 1.05rem;
    font-weight: 650;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
    transition: var(--transition);
  }

  .related-card:hover .card-title {
    color: var(--accent);
  }

  .related-card .card-meta {
    font-size: 0.82rem;
    color: var(--text-weak);
  }

  /* ===== CTA Section ===== */
  .cta-section {
    padding: 64px 0;
    background: var(--bg);
  }

  .cta-glass {
    position: relative;
    background:
      radial-gradient(ellipse at 50% 120%, rgba(0, 224, 143, 0.18) 0%, transparent 60%),
      rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 52px 32px;
    text-align: center;
    overflow: hidden;
  }

  .cta-glass::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
  }

  .cta-glass h2 {
    position: relative;
    z-index: 2;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
  }

  .cta-glass p {
    position: relative;
    z-index: 2;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 28px;
    font-size: 0.95rem;
  }

  .cta-glass .btn {
    position: relative;
    z-index: 2;
    font-size: 1rem;
    padding: 14px 32px;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #070b12;
    border-top: 1px solid var(--border);
    padding: 56px 0 28px;
    background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 40px 40px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer-logo .logo {
    position: static;
    transform: none;
    justify-content: flex-start;
    margin-bottom: 16px;
    font-size: 1.3rem;
  }

  .footer-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 320px;
  }

  .footer-col h4 {
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 650;
    margin-bottom: 16px;
  }

  .footer-col a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 2.3;
    transition: var(--transition);
  }

  .footer-col a:hover {
    color: var(--accent);
    transform: translateX(4px);
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    font-size: 0.85rem;
    color: var(--text-weak);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .related-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .related-card:last-child {
      grid-column: span 2;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    .container {
      padding: 0 20px;
    }

    .site-header .nav-left,
    .site-header .nav-right {
      display: none;
    }

    .site-header .logo {
      position: static;
      transform: none;
      margin-right: auto;
    }

    .nav-toggle {
      display: inline-flex;
      margin-left: auto;
    }

    .nav-toggle.open {
      color: var(--accent);
    }

    .mobile-nav.open {
      display: flex;
    }

    .article-banner {
      padding: 48px 0 32px;
    }

    .article-title {
      font-size: 1.7rem;
    }

    .article-body {
      padding: 28px 20px;
      border-radius: 18px;
    }

    .related-grid {
      grid-template-columns: 1fr;
    }

    .related-card:last-child {
      grid-column: auto;
    }

    .cta-glass {
      padding: 40px 20px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }

  @media (max-width: 520px) {
    .logo {
      font-size: 1.05rem;
    }
    .logo-badge {
      font-size: 0.6rem;
      padding: 1px 8px;
    }
    .article-meta {
      gap: 12px;
      font-size: 0.82rem;
    }
    .article-body {
      font-size: 0.95rem;
      padding: 24px 16px;
    }
    .btn {
      font-size: 0.9rem;
      padding: 8px 18px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation: none !important;
      transition: none !important;
    }
  }

/* roulang page: category1 */
:root {
      --bg: #0B0F1A;
      --bg-soft: #111827;
      --accent: #00E08F;
      --accent-warm: #FF6B2C;
      --info: #7CC5FF;
      --text: #F1F5F9;
      --text-secondary: #94A3B8;
      --text-weak: #64748B;
      --border: rgba(255, 255, 255, 0.08);
      --glass: rgba(255, 255, 255, 0.04);
      --radius: 16px;
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
      --shadow-glow: 0 0 28px rgba(0, 224, 143, 0.2);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 1rem;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    input, button {
      font-family: inherit;
    }

    .container {
      max-width: 80rem;
      margin: 0 auto;
      padding-left: 1rem;
      padding-right: 1rem;
    }

    @media (min-width: 768px) {
      .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
      }
    }

    ::selection {
      background: rgba(0, 224, 143, 0.25);
      color: #ffffff;
    }

    .section {
      padding: 4rem 0;
    }

    @media (min-width: 1024px) {
      .section {
        padding: 6rem 0;
      }
    }

    .section-head {
      max-width: 46rem;
      margin-bottom: 3rem;
    }

    .section-head h2 {
      font-size: 1.75rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      line-height: 1.3;
      margin-bottom: 0.75rem;
    }

    .section-head p {
      color: var(--text-secondary);
      font-size: 1rem;
    }

    @media (min-width: 1024px) {
      .section-head h2 {
        font-size: 2rem;
      }
    }

    .text-accent {
      color: var(--accent);
    }

    .text-weak {
      color: var(--text-weak);
    }

    /* ===== Buttons ===== */
    .btn-primary, .btn-secondary, .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      border-radius: 999px;
      font-weight: 600;
      font-size: 0.95rem;
      line-height: 1;
      transition: all 0.2s ease-out;
      cursor: pointer;
      border: none;
      outline: none;
    }

    .btn-primary {
      background: var(--accent);
      color: #07120c;
      box-shadow: 0 4px 18px rgba(0, 224, 143, 0.25);
    }

    .btn-primary:hover {
      filter: brightness(1.08);
      box-shadow: 0 0 24px rgba(0, 224, 143, 0.45);
      transform: translateY(-2px);
    }

    .btn-primary:active {
      transform: scale(0.98);
      box-shadow: 0 0 12px rgba(0, 224, 143, 0.35);
    }

    .btn-primary:focus-visible {
      box-shadow: 0 0 0 3px rgba(0, 224, 143, 0.35), 0 0 24px rgba(0, 224, 143, 0.45);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.04);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: var(--text);
    }

    .btn-secondary:hover {
      border-color: rgba(0, 224, 143, 0.5);
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-2px);
    }

    .btn-secondary:focus-visible {
      outline: 2px solid rgba(0, 224, 143, 0.5);
      outline-offset: 2px;
    }

    .btn-block {
      width: 100%;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 72px;
      background: rgba(11, 15, 26, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .header-inner {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
    }

    .nav-left, .nav-right {
      display: none;
      align-items: center;
      gap: 2rem;
    }

    .nav-link {
      color: var(--text-secondary);
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
      transition: color 0.2s ease;
      padding: 0.25rem 0;
    }

    .nav-link:hover {
      color: var(--text);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--accent);
      transition: width 0.25s ease-out;
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }

    .nav-link.active {
      color: var(--accent);
    }

    .logo {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: 0.01em;
      color: var(--text);
      white-space: nowrap;
      transition: opacity 0.2s;
    }

    .logo:hover {
      opacity: 0.88;
    }

    .logo-badge {
      background: rgba(0, 224, 143, 0.15);
      color: var(--accent);
      font-size: 0.7rem;
      font-weight: 600;
      padding: 0.15rem 0.5rem;
      border-radius: 999px;
      border: 1px solid rgba(0, 224, 143, 0.3);
      letter-spacing: 0.05em;
    }

    .nav-cta {
      background: var(--accent);
      color: #07120c;
      padding: 0.5rem 1.25rem;
      font-size: 0.9rem;
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(0, 224, 143, 0.25);
    }

    .nav-cta:hover {
      filter: brightness(1.08);
      box-shadow: 0 0 20px rgba(0, 224, 143, 0.45);
      transform: translateY(-1px);
    }

    .mobile-toggle {
      width: 40px;
      height: 40px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      cursor: pointer;
      z-index: 120;
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--text);
      transition: transform 0.25s ease, opacity 0.2s;
    }

    .mobile-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .mobile-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      background: rgba(11, 15, 26, 0.96);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 1.5rem 1.25rem 2rem;
      flex-direction: column;
      gap: 0.5rem;
      z-index: 110;
    }

    .mobile-menu.open {
      display: flex;
    }

    .mobile-menu a {
      padding: 0.75rem 0.5rem;
      font-size: 1rem;
      color: var(--text-secondary);
      border-radius: 10px;
      transition: background 0.2s, color 0.2s;
    }

    .mobile-menu a:hover,
    .mobile-menu a.active {
      color: var(--accent);
      background: rgba(0, 224, 143, 0.06);
    }

    .mobile-menu .btn-primary {
      margin-top: 1rem;
      padding: 0.85rem 1.5rem;
      font-size: 0.95rem;
    }

    @media (min-width: 1024px) {
      .nav-left, .nav-right {
        display: flex;
      }
      .mobile-toggle {
        display: none;
      }
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      padding: 5rem 0 4rem;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, #0B0F1A 0%, rgba(11, 15, 26, 0.88) 40%, rgba(11, 15, 26, 0.62) 100%);
      z-index: 0;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: 
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
      background-size: 44px 44px;
      z-index: 0;
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr;
      gap: 3rem;
      align-items: center;
    }

    @media (min-width: 1024px) {
      .hero-inner {
        grid-template-columns: 1.1fr 0.9fr;
        padding-top: 2rem;
        padding-bottom: 2rem;
      }
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: rgba(0, 224, 143, 0.1);
      border: 1px solid rgba(0, 224, 143, 0.25);
      color: var(--accent);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 0.3rem 0.9rem;
      border-radius: 999px;
      margin-bottom: 1.25rem;
      letter-spacing: 0.03em;
    }

    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
    }

    .hero-sub {
      font-size: 1.05rem;
      color: var(--text-secondary);
      line-height: 1.8;
      max-width: 36rem;
      margin-bottom: 2rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 2.5rem;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      max-width: 32rem;
    }

    .hero-stats div {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 14px;
      padding: 0.9rem 1rem;
      text-align: center;
    }

    .hero-stats strong {
      font-size: 1.45rem;
      font-weight: 700;
      color: var(--accent);
      font-family: "DIN Alternate", "Bahnschrift", "Segoe UI", sans-serif;
      font-variant-numeric: tabular-nums;
      display: block;
      line-height: 1.2;
    }

    .hero-stats span {
      font-size: 0.8rem;
      color: var(--text-secondary);
      margin-top: 0.15rem;
      display: block;
    }

    .hero-panel {
      background: rgba(255, 255, 255, 0.04);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 20px;
      box-shadow: var(--shadow);
      overflow: hidden;
      max-width: 28rem;
      margin-left: auto;
      margin-right: auto;
      width: 100%;
    }

    .panel-head {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      padding: 1rem 1.25rem;
      background: rgba(255, 255, 255, 0.04);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text);
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 10px rgba(0, 224, 143, 0.6);
      animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }

    .panel-body {
      padding: 1.5rem 1.25rem;
    }

    .panel-field {
      margin-bottom: 1.1rem;
    }

    .panel-field label {
      display: block;
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--text-secondary);
      margin-bottom: 0.35rem;
    }

    .panel-field input {
      width: 100%;
      background: rgba(0, 0, 0, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      padding: 0.7rem 0.9rem;
      color: var(--text);
      font-size: 0.92rem;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .panel-field input::placeholder {
      color: var(--text-weak);
    }

    .panel-field input:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 224, 143, 0.15);
    }

    .panel-tip {
      margin-top: 1rem;
      text-align: center;
      font-size: 0.8rem;
      color: var(--text-weak);
    }

    @media (max-width: 767px) {
      .hero-stats {
        grid-template-columns: repeat(3, 1fr);
      }
      .hero-stats strong {
        font-size: 1.2rem;
      }
      .hero-panel {
        margin-top: 1rem;
      }
    }

    /* ===== Bento ===== */
    .bento-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }

    @media (min-width: 768px) {
      .bento-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .bento-card {
      background: var(--glass);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.75rem;
      transition: transform 0.2s ease-out, border-color 0.2s, box-shadow 0.2s;
      position: relative;
      overflow: hidden;
    }

    .bento-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 224, 143, 0.4);
      box-shadow: var(--shadow-glow);
    }

    .bento-card:focus-within {
      outline: 2px solid rgba(0, 224, 143, 0.4);
      outline-offset: 2px;
    }

    @media (min-width: 768px) {
      .bento-card.bento-large {
        grid-column: span 2;
        min-height: 260px;
      }
    }

    .bento-card.bento-large .bento-chart {
      margin-top: 1.5rem;
      background: rgba(255, 255, 255, 0.03);
      padding: 1rem 1.25rem;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      align-items: center;
      gap: 1.25rem;
    }

    .bar-wrap {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .bar-row {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.78rem;
      color: var(--text-secondary);
    }

    .bar-row .bar-label {
      width: 2.2rem;
      text-align: right;
      flex-shrink: 0;
    }

    .bar {
      height: 8px;
      border-radius: 4px;
      background: rgba(255, 255, 255, 0.08);
      flex: 1;
      overflow: hidden;
      position: relative;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: 4px;
      background: linear-gradient(90deg, rgba(0, 224, 143, 0.5), var(--accent));
    }

    .bento-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 224, 143, 0.1);
      border: 1px solid rgba(0, 224, 143, 0.18);
      color: var(--accent);
      margin-bottom: 1rem;
      font-size: 1.35rem;
    }

    .bento-card h3 {
      font-size: 1.125rem;
      font-weight: 650;
      line-height: 1.4;
      margin-bottom: 0.5rem;
    }

    .bento-card p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* ===== Scenario ===== */
    .scenario-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2.5rem;
      align-items: center;
      margin-bottom: 4rem;
    }

    .scenario-row:last-child {
      margin-bottom: 0;
    }

    @media (min-width: 1024px) {
      .scenario-row {
        grid-template-columns: 1fr 1fr;
        gap: 4.5rem;
      }
      .scenario-row.odd {
        direction: rtl;
      }
      .scenario-row.odd > * {
        direction: ltr;
      }
    }

    .scenario-img {
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: var(--shadow);
      position: relative;
    }

    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease-out;
    }

    .scenario-img:hover img {
      transform: scale(1.04);
    }

    .scenario-info {
      padding: 0.5rem 0;
    }

    .scenario-num {
      font-size: 1rem;
      font-weight: 700;
      color: var(--accent);
      border: 1px solid rgba(0, 224, 143, 0.3);
      background: rgba(0, 224, 143, 0.06);
      padding: 0.25rem 0.8rem;
      border-radius: 999px;
      display: inline-block;
      margin-bottom: 1rem;
    }

    .scenario-info h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      line-height: 1.3;
    }

    .scenario-info p {
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 0.5rem;
      font-size: 0.95rem;
    }

    .scenario-link {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      color: var(--info);
      font-weight: 500;
      font-size: 0.95rem;
      margin-top: 0.6rem;
      transition: color 0.2s, transform 0.2s;
    }

    .scenario-link:hover {
      color: var(--accent);
    }

    .scenario-link span {
      transition: transform 0.2s;
    }

    .scenario-link:hover span {
      transform: translateX(4px);
    }

    /* ===== Steps ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }

    @media (min-width: 768px) {
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .steps-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    .step-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius);
      padding: 1.75rem 1.5rem;
      position: relative;
      transition: transform 0.2s ease-out, border-color 0.2s, box-shadow 0.2s;
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 224, 143, 0.4);
      box-shadow: var(--shadow-glow);
    }

    .step-num {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1;
      color: rgba(255, 255, 255, 0.18);
      position: absolute;
      top: 1rem;
      right: 1.25rem;
      font-family: "DIN Alternate", "Bahnschrift", sans-serif;
      font-variant-numeric: tabular-nums;
    }

    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 650;
      margin-bottom: 0.5rem;
    }

    .step-card p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* ===== Service Cards ===== */
    .services-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .services-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .service-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 18px;
      overflow: hidden;
      transition: transform 0.2s ease-out, border-color 0.2s, box-shadow 0.2s;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 224, 143, 0.35);
      box-shadow: var(--shadow-glow);
    }

    .service-card .card-cover {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.04);
      position: relative;
    }

    .service-card .card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s ease-out;
    }

    .service-card:hover .card-cover img {
      transform: scale(1.04);
    }

    .service-card .card-body {
      padding: 1.4rem 1.4rem 1.6rem;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .service-card .card-tag {
      display: inline-block;
      align-self: flex-start;
      background: rgba(0, 224, 143, 0.1);
      color: var(--accent);
      font-size: 0.72rem;
      font-weight: 600;
      padding: 0.2rem 0.7rem;
      border-radius: 999px;
      margin-bottom: 0.75rem;
      border: 1px solid rgba(0, 224, 143, 0.2);
    }

    .service-card h3 {
      font-size: 1.05rem;
      font-weight: 650;
      line-height: 1.4;
      margin-bottom: 0.5rem;
      color: var(--text);
    }

    .service-card .card-desc {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.7;
      flex: 1;
    }

    .service-card .card-meta {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      margin-top: 1rem;
      font-size: 0.8rem;
      color: var(--text-weak);
    }

    .service-card .card-meta .dot {
      width: 3px;
      height: 3px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.3);
    }

    .service-card .card-link {
      margin-top: 0.8rem;
      color: var(--info);
      font-size: 0.88rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      transition: color 0.2s, gap 0.2s;
    }

    .service-card .card-link:hover {
      color: var(--accent);
      gap: 0.55rem;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 48rem;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .faq-item {
      background: rgba(255, 255, 255, 0.04);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      overflow: hidden;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .faq-item.open {
      border-color: rgba(0, 224, 143, 0.35);
      box-shadow: var(--shadow-glow);
    }

    .faq-q {
      width: 100%;
      background: transparent;
      border: none;
      padding: 1.25rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      text-align: left;
      cursor: pointer;
      color: var(--text);
      font-size: 1rem;
      font-weight: 600;
      line-height: 1.5;
      transition: background 0.2s;
    }

    .faq-q:hover {
      background: rgba(255, 255, 255, 0.03);
    }

    .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      color: var(--text-secondary);
      transition: transform 0.25s ease, background 0.2s, color 0.2s, border-color 0.2s;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(0, 224, 143, 0.1);
      border-color: rgba(0, 224, 143, 0.3);
      color: var(--accent);
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      padding: 0 1.5rem;
      color: var(--text-secondary);
      font-size: 0.93rem;
      line-height: 1.8;
    }

    .faq-item.open .faq-a {
      max-height: 300px;
      padding-bottom: 1.4rem;
    }

    .faq-more {
      text-align: center;
      margin-top: 2rem;
    }

    .faq-more a {
      color: var(--info);
      font-size: 0.95rem;
      transition: color 0.2s;
    }

    .faq-more a:hover {
      color: var(--accent);
    }

    /* ===== CTA ===== */
    .cta-panel {
      position: relative;
      background: rgba(255, 255, 255, 0.04);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 28px;
      padding: 3rem 1.5rem;
      text-align: center;
      overflow: hidden;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      top: -40%;
      left: 50%;
      transform: translateX(-50%);
      width: 70%;
      height: 220px;
      background: radial-gradient(ellipse closest-side, rgba(0, 224, 143, 0.2), transparent 90%);
      pointer-events: none;
    }

    .cta-panel h2 {
      font-size: 1.6rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      position: relative;
    }

    .cta-panel p {
      color: var(--text-secondary);
      font-size: 0.98rem;
      margin-bottom: 1.8rem;
      position: relative;
    }

    .cta-panel .btn-primary {
      position: relative;
    }

    @media (min-width: 1024px) {
      .cta-panel {
        padding: 4.5rem 3rem;
      }
      .cta-panel h2 {
        font-size: 2rem;
      }
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #070B12;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 4rem 0 1.5rem;
      margin-top: 4rem;
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
      background-size: 44px 44px;
      pointer-events: none;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2.5rem;
      position: relative;
    }

    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 2rem;
      }
    }

    .footer-logo .logo {
      position: static;
      transform: none;
      justify-content: flex-start;
      margin-bottom: 1rem;
      font-size: 1.3rem;
    }

    .footer-logo p {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.8;
      max-width: 22rem;
    }

    .footer-col h4 {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 1rem;
    }

    .footer-col a {
      display: block;
      color: var(--text-secondary);
      font-size: 0.88rem;
      padding: 0.35rem 0;
      transition: color 0.2s;
    }

    .footer-col a:hover {
      color: var(--accent);
    }

    .footer-bottom {
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      justify-content: space-between;
      align-items: center;
      margin-top: 3rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.82rem;
      color: var(--text-weak);
    }

    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
      }
    }

    /* ===== Reduced Motion ===== */
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
      html {
        scroll-behavior: auto;
      }
    }

    /* ===== Focus visibility global ===== */
    a:focus-visible,
    button:focus-visible {
      outline: 2px solid rgba(0, 224, 143, 0.5);
      outline-offset: 2px;
      border-radius: 4px;
    }

/* roulang page: category2 */
:root{
--bg:#0B0F1A;
--bg-soft:#111827;
--accent:#00E08F;
--accent-warm:#FF6B2C;
--info:#7CC5FF;
--text-primary:#F1F5F9;
--text-secondary:#94A3B8;
--text-muted:#64748B;
--border:rgba(255,255,255,0.08);
--glass:rgba(255,255,255,0.04);
--radius-card:16px;
--radius-btn:12px;
--shadow-card:0 10px 30px rgba(0,0,0,0.35);
--transition:all .25s ease-out;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
background:var(--bg);
color:var(--text-primary);
line-height:1.75;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select{font-family:inherit}
.container{max-width:80rem;margin:0 auto;padding:0 1.5rem}
@media(max-width:768px){.container{padding:0 1rem}}
.logo{
display:inline-flex;align-items:center;font-size:1.25rem;font-weight:800;
letter-spacing:-0.02em;color:var(--text-primary);white-space:nowrap;
}
.logo-badge{
display:inline-block;margin-left:.35rem;padding:.1rem .45rem;
font-size:.7rem;font-weight:700;border-radius:999px;
background:rgba(0,224,143,.15);color:var(--accent);
border:1px solid rgba(0,224,143,.3);
}
.btn{
display:inline-flex;align-items:center;justify-content:center;
padding:.6rem 1.4rem;border-radius:var(--radius-btn);
font-weight:700;font-size:.95rem;line-height:1.4;
transition:var(--transition);
}
.btn-primary{
background:var(--accent);color:#06281C;
}
.btn-primary:hover{
box-shadow:0 0 24px rgba(0,224,143,.45);
transform:translateY(-2px);
}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
background:rgba(255,255,255,.04);color:var(--text-primary);
border:1px solid rgba(255,255,255,.14);
}
.btn-ghost:hover{
border-color:rgba(0,224,143,.5);background:rgba(0,224,143,.08);
box-shadow:0 0 18px rgba(0,224,143,.15);transform:translateY(-2px);
}
.btn-ghost:active{transform:scale(.98)}
.btn-lg{padding:.85rem 2rem;font-size:1.05rem;border-radius:14px}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible{
outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;
}
.site-header{
position:sticky;top:0;z-index:100;
background:rgba(11,15,26,.82);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-bottom:1px solid var(--border);
height:72px;
}
.header-inner{
height:72px;display:flex;align-items:center;justify-content:space-between;
gap:1rem;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:.4rem}
.nav-link{
display:inline-flex;align-items:center;gap:.3rem;
padding:.45rem .8rem;border-radius:8px;
font-size:.95rem;font-weight:500;color:var(--text-secondary);
transition:var(--transition);position:relative;
}
.nav-link:hover{color:var(--text-primary);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{
content:"";position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
width:18px;height:3px;border-radius:999px;background:var(--accent);
}
.nav-cta{margin-left:.6rem;padding:.45rem 1.2rem;font-size:.9rem}
.mobile-menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.mobile-menu-toggle span{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
.mobile-menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-menu-toggle.active span:nth-child(2){opacity:0}
.mobile-menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
display:none;position:fixed;top:72px;left:0;right:0;z-index:99;
background:rgba(11,15,26,.96);backdrop-filter:blur(18px);
border-bottom:1px solid var(--border);
padding:1.5rem 1rem 2.5rem;flex-direction:column;gap:.5rem;
}
.mobile-menu.open{display:flex}
.mobile-menu a{
padding:.9rem 1rem;font-size:1.05rem;font-weight:600;
color:var(--text-secondary);border-radius:12px;text-align:center;
}
.mobile-menu a:hover{background:rgba(255,255,255,.05);color:var(--text-primary)}
.mobile-menu a.active{color:var(--accent);background:rgba(0,224,143,.08)}
/* ===== Page Hero ===== */
.page-hero{
position:relative;overflow:hidden;
padding:5.5rem 0 4rem;
background:linear-gradient(120deg,#0B0F1A 40%,rgba(0,224,143,.08));
}
.page-hero::before{
content:"";position:absolute;inset:0;
background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
background-size:56px 56px;
pointer-events:none;
}
.page-hero-bg{
position:absolute;inset:0;background-size:cover;background-position:center;
opacity:.18;pointer-events:none;
}
.page-hero-bg::after{
content:"";position:absolute;inset:0;
background:linear-gradient(90deg,var(--bg) 30%,rgba(11,15,26,.6) 70%,rgba(11,15,26,.15));
}
.hero-content{position:relative;z-index:2;max-width:720px}
.breadcrumb{
display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;
font-size:.85rem;color:var(--text-muted);margin-bottom:1.5rem;
}
.breadcrumb a{color:var(--text-secondary);transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:var(--text-primary);font-weight:600}
.hero-tag{
display:inline-flex;align-items:center;gap:.4rem;
padding:.3rem .9rem;border-radius:999px;
background:rgba(0,224,143,.1);border:1px solid rgba(0,224,143,.25);
color:var(--accent);font-size:.8rem;font-weight:600;
margin-bottom:1rem;
}
.page-hero h1{
font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;
line-height:1.15;letter-spacing:-0.01em;margin-bottom:1rem;
}
.page-hero .hero-subtitle{
font-size:1.05rem;color:var(--text-secondary);
max-width:620px;margin-bottom:2rem;line-height:1.8;
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}
.hero-stats{
display:grid;grid-template-columns:repeat(4,1fr);
border-top:1px solid var(--border);padding-top:2rem;
gap:1.5rem;
}
.stat-item{display:flex;flex-direction:column;gap:.15rem}
.stat-number{
font-family:"DIN Alternate","Bahnschrift","tabular-nums",sans-serif;
font-size:2rem;font-weight:700;color:var(--accent);
font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:.85rem;color:var(--text-muted)}
/* ===== Section Head ===== */
.section-head{text-align:center;max-width:640px;margin:0 auto 3rem}
.section-tag{
display:inline-block;padding:.28rem .9rem;
border-radius:999px;background:rgba(0,224,143,.08);
border:1px solid rgba(0,224,143,.2);
color:var(--accent);font-size:.8rem;font-weight:600;
margin-bottom:.75rem;
}
.section-head h2{font-size:clamp(1.6rem,3vw,2rem);font-weight:800;margin-bottom:.75rem;letter-spacing:-0.01em}
.section-head p{color:var(--text-secondary);font-size:.98rem}
/* ===== Security Features ===== */
.security-features{padding:6rem 0}
.security-features .container{background:var(--bg)}
.feature-bento{
display:grid;grid-template-columns:repeat(4,1fr);
grid-auto-rows:minmax(180px,auto);gap:1.25rem;
}
.feature-card{
position:relative;border-radius:var(--radius-card);
background:var(--glass);border:1px solid var(--border);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:var(--shadow-card);padding:1.5rem;
transition:var(--transition);overflow:hidden;
}
.feature-card:hover{
border-color:rgba(0,224,143,.4);
box-shadow:0 0 28px rgba(0,224,143,.2),var(--shadow-card);
transform:translateY(-4px);
}
.feature-card.feature-large{grid-column:span 2;grid-row:span 2;background:linear-gradient(135deg,rgba(0,224,143,.08),rgba(255,255,255,.04))}
.feature-card .feature-icon{
width:42px;height:42px;border-radius:12px;
display:flex;align-items:center;justify-content:center;
background:rgba(0,224,143,.12);border:1px solid rgba(0,224,143,.25);
margin-bottom:1rem;
}
.feature-card .feature-icon svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.feature-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.75}
.feature-card .feature-metric{
display:flex;gap:1.5rem;margin-top:1rem;
padding-top:1rem;border-top:1px solid rgba(255,255,255,.06);
}
.metric-item{display:flex;flex-direction:column}
.metric-item .metric-value{font-size:1.5rem;font-weight:800;color:var(--accent);font-family:"DIN Alternate","Bahnschrift",sans-serif}
.metric-item .metric-label{font-size:.78rem;color:var(--text-muted)}
/* ===== Content Grid ===== */
.content-grid-section{padding:6rem 0;background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.content-card-grid{
display:grid;grid-template-columns:repeat(4,1fr);
gap:1.5rem;
}
.content-card{
border-radius:var(--radius-card);overflow:hidden;
background:var(--glass);border:1px solid var(--border);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:var(--shadow-card);transition:var(--transition);
display:flex;flex-direction:column;
}
.content-card:hover{
border-color:rgba(0,224,143,.4);
box-shadow:0 0 28px rgba(0,224,143,.18),var(--shadow-card);
transform:translateY(-4px);
}
.content-card .card-img{position:relative;overflow:hidden;aspect-ratio:16/10}
.content-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.content-card:hover .card-img img{transform:scale(1.05)}
.card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,15,26,.4),transparent)}
.content-card .card-body{padding:1.25rem;display:flex;flex-direction:column;flex:1}
.content-card .card-tag{
display:inline-block;align-self:flex-start;
padding:.18rem .6rem;border-radius:999px;
background:rgba(0,224,143,.1);border:1px solid rgba(0,224,143,.2);
color:var(--accent);font-size:.75rem;font-weight:600;margin-bottom:.6rem;
}
.content-card h3{font-size:1rem;font-weight:700;margin-bottom:.4rem;line-height:1.4}
.content-card .card-summary{font-size:.87rem;color:var(--text-secondary);line-height:1.7;flex:1}
.content-card .card-meta{
display:flex;align-items:center;gap:.5rem;
margin-top:1rem;padding-top:.8rem;
border-top:1px solid rgba(255,255,255,.06);
font-size:.8rem;color:var(--text-muted);
}
.card-meta .card-time{display:inline-flex;align-items:center;gap:.3rem}
.card-meta .card-link{margin-left:auto;color:var(--accent);font-weight:600;font-size:.85rem;}
.card-meta .card-link:hover{text-decoration:underline}
/* ===== Flow ===== */
.security-flow{padding:6rem 0}
.flow-steps{
display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;
position:relative;
}
.flow-steps::before{
content:"";position:absolute;top:44px;left:8%;right:8%;
height:1px;background:linear-gradient(90deg,transparent,rgba(0,224,143,.3),transparent);
pointer-events:none;
}
.flow-step{
text-align:center;padding:1.5rem 1rem;
border-radius:var(--radius-card);
background:var(--glass);border:1px solid var(--border);
transition:var(--transition);position:relative;z-index:1;
}
.flow-step:hover{border-color:rgba(0,224,143,.35);box-shadow:0 0 20px rgba(0,224,143,.12);transform:translateY(-3px)}
.step-num{
display:inline-flex;align-items:center;justify-content:center;
width:48px;height:48px;border-radius:50%;
background:rgba(0,224,143,.12);border:1px solid rgba(0,224,143,.3);
color:var(--accent);font-size:1.1rem;font-weight:800;
margin-bottom:1rem;
}
.flow-step h3{font-size:1rem;font-weight:700;margin-bottom:.4rem}
.flow-step p{font-size:.85rem;color:var(--text-secondary);line-height:1.6}
/* ===== Scene ===== */
.security-scene{padding:6rem 0;background:var(--bg-soft);border-top:1px solid var(--border)}
.scene-rows{display:flex;flex-direction:column;gap:4rem}
.scene-row{
display:grid;grid-template-columns:1fr 1fr;gap:3rem;
align-items:center;
}
.scene-row:nth-child(even){direction:rtl}
.scene-row>*{direction:ltr}
.scene-img{
position:relative;border-radius:var(--radius-card);overflow:hidden;
border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.scene-img img{width:100%;height:280px;object-fit:cover;transition:transform .3s ease-out}
.scene-img:hover img{transform:scale(1.05)}
.scene-img .scene-badge{
position:absolute;top:1rem;left:1rem;z-index:2;
padding:.25rem .75rem;border-radius:999px;
background:rgba(11,15,26,.75);backdrop-filter:blur(8px);
border:1px solid rgba(0,224,143,.3);color:var(--accent);
font-size:.78rem;font-weight:600;
}
.scene-content{max-width:520px}
.scene-num{
font-family:"DIN Alternate","Bahnschrift",sans-serif;
font-size:3rem;font-weight:800;color:rgba(0,224,143,.3);
line-height:1;display:block;margin-bottom:.75rem;
}
.scene-content h3{font-size:1.4rem;font-weight:700;margin-bottom:.75rem}
.scene-content p{color:var(--text-secondary);line-height:1.8;margin-bottom:1rem}
.scene-link{color:var(--accent);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:.3rem;transition:var(--transition)}
.scene-link:hover{gap:.6rem}
/* ===== FAQ ===== */
.security-faq{padding:6rem 0}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}
.faq-item{
border-radius:var(--radius-card);
background:var(--glass);border:1px solid var(--border);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
transition:var(--transition);overflow:hidden;
}
.faq-item:hover{border-color:rgba(255,255,255,.14)}
.faq-item.open{border-color:rgba(0,224,143,.4);box-shadow:0 0 20px rgba(0,224,143,.1)}
.faq-question{
width:100%;display:flex;align-items:center;justify-content:space-between;
padding:1.2rem 1.5rem;text-align:left;
font-size:1rem;font-weight:650;color:var(--text-primary);
gap:1rem;transition:var(--transition);
}
.faq-question:hover{color:var(--accent)}
.faq-icon{
flex-shrink:0;width:24px;height:24px;position:relative;
border-radius:50%;border:1px solid var(--border);
transition:var(--transition);
}
.faq-icon::before,.faq-icon::after{
content:"";position:absolute;background:var(--text-secondary);
border-radius:2px;transition:var(--transition);
}
.faq-icon::before{top:50%;left:50%;transform:translate(-50%,-50%);width:10px;height:2px}
.faq-icon::after{top:50%;left:50%;transform:translate(-50%,-50%);width:2px;height:10px}
.faq-item.open .faq-icon{border-color:var(--accent)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-item.open .faq-icon::before{background:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-answer-inner{padding:0 1.5rem 1.4rem;color:var(--text-secondary);font-size:.93rem;line-height:1.85}
/* ===== CTA ===== */
.security-cta{padding:6rem 0}
.cta-panel{
position:relative;overflow:hidden;
border-radius:24px;padding:4rem 2rem;text-align:center;
background:var(--glass);border:1px solid var(--border);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:var(--shadow-card);
}
.cta-panel::before{
content:"";position:absolute;inset:0;pointer-events:none;
background:radial-gradient(circle at 50% 0%,rgba(0,224,143,.18),transparent 65%);
}
.cta-panel .cta-inner{position:relative;z-index:2}
.cta-panel h2{font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800;margin-bottom:.75rem}
.cta-panel p{color:var(--text-secondary);max-width:520px;margin:0 auto 2rem;font-size:1rem}
/* ===== Footer ===== */
.site-footer{
background:#080C14;border-top:1px solid var(--border);
padding:4rem 0 0;position:relative;
}
.site-footer::before{
content:"";position:absolute;inset:0;pointer-events:none;
background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
background-size:48px 48px;
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{
display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
gap:2.5rem;padding-bottom:3rem;
}
.footer-logo p{color:var(--text-muted);font-size:.9rem;margin-top:1rem;max-width:300px;line-height:1.75}
.footer-col{display:flex;flex-direction:column;gap:.6rem}
.footer-col h4{
font-size:.9rem;font-weight:700;color:var(--text-primary);
margin-bottom:.5rem;
}
.footer-col a{color:var(--text-secondary);font-size:.88rem;transition:var(--transition)}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{
border-top:1px solid var(--border);
padding:1.5rem 0;display:flex;align-items:center;justify-content:space-between;
flex-wrap:wrap;gap:.6rem;font-size:.82rem;color:var(--text-muted);
}
/* ===== Responsive ===== */
@media(max-width:1024px){
.feature-bento{grid-template-columns:repeat(3,1fr)}
.feature-card.feature-large{grid-column:span 2}
.content-card-grid{grid-template-columns:repeat(3,1fr)}
.flow-steps{grid-template-columns:repeat(2,1fr)}
.flow-steps::before{display:none}
.footer-grid{grid-template-columns:1fr 1fr}
.hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.nav-left,.nav-right{display:none}
.mobile-menu-toggle{display:flex}
.site-header .logo{position:absolute;left:50%;transform:translateX(-50%)}
.page-hero{padding:3.5rem 0 2.5rem}
.hero-content{text-align:center;margin:0 auto}
.hero-subtitle{margin-left:auto;margin-right:auto}
.hero-actions{justify-content:center}
.feature-bento{grid-template-columns:repeat(2,1fr)}
.feature-card.feature-large{grid-column:span 2}
.content-card-grid{grid-template-columns:repeat(2,1fr)}
.scene-row{grid-template-columns:1fr;gap:1.5rem}
.scene-row:nth-child(even){direction:ltr}
.footer-grid{grid-template-columns:1fr;gap:2rem}
.footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
.feature-bento{grid-template-columns:1fr}
.feature-card.feature-large{grid-column:span 1}
.content-card-grid{grid-template-columns:1fr}
.flow-steps{grid-template-columns:1fr}
.hero-stats{grid-template-columns:1fr 1fr;gap:1rem}
.stat-number{font-size:1.5rem}
.cta-panel{padding:3rem 1rem}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{
animation-duration:.01ms !important;
transition-duration:.01ms !important;
scroll-behavior:auto !important;
}
}

/* roulang page: category3 */
:root {
        --bg: #0B0F1A;
        --bg-soft: #111827;
        --accent: #00E08F;
        --accent-warm: #FF6B2C;
        --info: #7CC5FF;
        --text: #F1F5F9;
        --text-secondary: #94A3B8;
        --text-muted: #64748B;
        --border: rgba(255, 255, 255, 0.08);
        --glass: rgba(255, 255, 255, 0.04);
        --radius: 16px;
        --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
        --shadow-glow: 0 0 28px rgba(0, 224, 143, 0.20);
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background-color: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 1rem;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease-out;
    }
    button {
        border: none;
        background: none;
        cursor: pointer;
        font-family: inherit;
    }
    .container {
        max-width: 80rem;
        margin: 0 auto;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    @media(min-width:768px) {
        .container {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
    }

    /* 导航 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(11, 15, 26, 0.85);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        height: 72px;
        display: flex;
        align-items: center;
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        position: relative;
    }
    .nav-left,
    .nav-right {
        display: none;
        align-items: center;
        gap: 0.25rem;
    }
    .nav-link {
        font-size: 0.9rem;
        color: var(--text-secondary);
        padding: 0.5rem 0.75rem;
        border-radius: 8px;
        font-weight: 500;
        position: relative;
        transition: color .2s, background .2s;
    }
    .nav-link:hover {
        color: var(--text);
        background: rgba(255, 255, 255, 0.04);
    }
    .nav-link.active {
        color: var(--accent);
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 16px;
        height: 3px;
        border-radius: 2px;
        background: var(--accent);
    }
    .logo {
        font-size: 1.25rem;
        font-weight: 800;
        letter-spacing: 0.02em;
        color: var(--text);
        display: flex;
        align-items: center;
        gap: 0.4rem;
        white-space: nowrap;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
    }
    .logo-badge {
        font-size: 0.65rem;
        font-weight: 700;
        color: var(--accent);
        border: 1px solid rgba(0, 224, 143, 0.4);
        background: rgba(0, 224, 143, 0.1);
        padding: 0.1rem 0.5rem;
        border-radius: 999px;
        letter-spacing: 0.05em;
    }
    .header-cta {
        display: none;
        font-size: 0.85rem;
        font-weight: 700;
        color: #0B0F1A;
        background: var(--accent);
        padding: 0.45rem 1.2rem;
        border-radius: 999px;
        transition: box-shadow .2s, transform .2s;
    }
    .header-cta:hover {
        box-shadow: 0 0 24px rgba(0, 224, 143, 0.45);
        transform: translateY(-1px);
    }
    .header-cta:active {
        transform: scale(0.98);
    }
    .header-cta:focus-visible,
    .nav-link:focus-visible,
    .mobile-toggle:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        border: 1px solid var(--border);
        color: var(--text);
        font-size: 1.2rem;
        z-index: 3;
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(11, 15, 26, 0.96);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 2rem 1.5rem 2.5rem;
        flex-direction: column;
        gap: 0.5rem;
        z-index: 99;
    }
    .mobile-menu.open {
        display: flex;
    }
    .mobile-menu a {
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--text);
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        transition: color .2s, padding-left .2s;
    }
    .mobile-menu a:hover {
        color: var(--accent);
        padding-left: 0.5rem;
    }
    .mobile-menu a.active {
        color: var(--accent);
    }
    @media(min-width:1024px) {
        .nav-left,
        .nav-right {
            display: flex;
        }
        .header-cta {
            display: inline-flex;
        }
        .mobile-toggle {
            display: none;
        }
        .logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }
        .header-inner {
            justify-content: space-between;
            padding: 0 1rem;
        }
    }

    /* 通用区块间距 */
    .section {
        padding: 4rem 0;
    }
    @media(min-width:768px) {
        .section {
            padding: 6rem 0;
        }
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--accent);
        background: rgba(0, 224, 143, 0.08);
        border: 1px solid rgba(0, 224, 143, 0.2);
        padding: 0.3rem 0.9rem;
        border-radius: 999px;
        margin-bottom: 1rem;
    }
    .section-title {
        font-size: clamp(1.75rem, 3vw, 2.25rem);
        font-weight: 800;
        letter-spacing: -0.01em;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    .section-sub {
        color: var(--text-secondary);
        font-size: 0.95rem;
        max-width: 640px;
        line-height: 1.8;
    }

    /* Hero */
    .page-hero {
        position: relative;
        padding: 5rem 0 4rem;
        overflow: hidden;
        background: linear-gradient(135deg, rgba(11, 15, 26, 0.95) 0%, rgba(11, 15, 26, 0.75) 55%, rgba(17, 24, 39, 0.85) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .page-hero .grid-pattern {
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
        background-size: 40px 40px;
        pointer-events: none;
    }
    .page-hero .container {
        position: relative;
        z-index: 2;
    }
    .hero-content {
        max-width: 720px;
    }
    .hero-meta {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.8rem;
        color: var(--info);
        background: rgba(124, 197, 255, 0.08);
        border: 1px solid rgba(124, 197, 255, 0.2);
        padding: 0.3rem 0.9rem;
        border-radius: 999px;
        margin-bottom: 1.25rem;
        font-weight: 500;
    }
    .hero-title {
        font-size: clamp(2rem, 5vw, 3.25rem);
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.02em;
        margin-bottom: 1.25rem;
    }
    .hero-title .accent-text {
        color: var(--accent);
    }
    .hero-desc {
        font-size: 1rem;
        color: var(--text-secondary);
        line-height: 1.85;
        margin-bottom: 2rem;
        max-width: 580px;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        margin-bottom: 2.5rem;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        font-size: 0.95rem;
        font-weight: 700;
        color: #0B0F1A;
        background: var(--accent);
        padding: 0.75rem 1.75rem;
        border-radius: 999px;
        transition: box-shadow .25s ease-out, transform .25s ease-out;
    }
    .btn-primary:hover {
        box-shadow: 0 0 24px rgba(0, 224, 143, 0.45);
        transform: translateY(-2px);
    }
    .btn-primary:active {
        transform: scale(0.98);
    }
    .btn-primary:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.14);
        padding: 0.75rem 1.75rem;
        border-radius: 999px;
        transition: border-color .25s, background .25s, transform .25s;
    }
    .btn-secondary:hover {
        border-color: var(--accent);
        background: rgba(255, 255, 255, 0.07);
        transform: translateY(-2px);
    }
    .btn-secondary:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
    }
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        border-top: 1px solid var(--border);
        padding-top: 2rem;
        max-width: 520px;
    }
    .stat-item .stat-num {
        font-family: "DIN Alternate", "Bahnschrift", sans-serif;
        font-size: 2rem;
        font-weight: 800;
        color: var(--text);
        font-variant-numeric: tabular-nums;
        line-height: 1.2;
    }
    .stat-item .stat-num em {
        font-style: normal;
        color: var(--accent);
        font-size: 1.2rem;
        margin-left: 2px;
    }
    .stat-item .stat-label {
        font-size: 0.82rem;
        color: var(--text-muted);
        margin-top: 0.2rem;
    }
    @media(min-width:768px) {
        .hero-stats {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    /* 核心能力 */
    .capability-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .capability-card {
        background: var(--glass);
        backdrop-filter: blur(14px);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 2rem 1.5rem;
        transition: border-color .25s, box-shadow .25s, transform .25s;
    }
    .capability-card:hover {
        border-color: rgba(0, 224, 143, 0.3);
        box-shadow: var(--shadow-glow);
        transform: translateY(-4px);
    }
    .capability-card .cap-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        background: rgba(0, 224, 143, 0.1);
        color: var(--accent);
        margin-bottom: 1rem;
        border: 1px solid rgba(0, 224, 143, 0.15);
    }
    .capability-card h3 {
        font-size: 1.125rem;
        font-weight: 650;
        margin-bottom: 0.5rem;
    }
    .capability-card p {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.75;
    }
    @media(min-width:768px) {
        .capability-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media(min-width:1024px) {
        .capability-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    /* 数据服务卡片 */
    .data-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .data-card {
        background: var(--glass);
        backdrop-filter: blur(14px);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: border-color .25s, box-shadow .25s, transform .25s;
    }
    .data-card:hover {
        border-color: rgba(0, 224, 143, 0.35);
        box-shadow: var(--shadow-glow);
        transform: translateY(-4px);
    }
    .data-card .card-img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        transition: transform .3s ease-out;
    }
    .data-card:hover .card-img {
        transform: scale(1.03);
    }
    .data-card .card-body {
        padding: 1.25rem 1.25rem 1.5rem;
    }
    .data-card .card-tag {
        display: inline-block;
        font-size: 0.7rem;
        font-weight: 600;
        color: var(--accent);
        background: rgba(0, 224, 143, 0.08);
        border: 1px solid rgba(0, 224, 143, 0.2);
        padding: 0.15rem 0.6rem;
        border-radius: 999px;
        margin-bottom: 0.6rem;
    }
    .data-card h3 {
        font-size: 1.125rem;
        font-weight: 650;
        margin-bottom: 0.4rem;
    }
    .data-card p {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 0.75rem;
    }
    .data-card .card-time {
        font-size: 0.78rem;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 0.3rem;
    }
    @media(min-width:640px) {
        .data-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media(min-width:1024px) {
        .data-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    /* 适用场景 */
    .scenario-row {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        align-items: center;
        padding: 2.5rem 0;
        border-bottom: 1px solid var(--border);
    }
    .scenario-row:last-child {
        border-bottom: none;
    }
    .scenario-img {
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        position: relative;
        width: 100%;
        max-width: 480px;
        flex-shrink: 0;
    }
    .scenario-img img {
        width: 100%;
        height: 260px;
        object-fit: cover;
        transition: transform .3s ease-out;
    }
    .scenario-img:hover img {
        transform: scale(1.05);
    }
    .scenario-num {
        position: absolute;
        top: 12px;
        left: 12px;
        font-size: 0.75rem;
        font-weight: 700;
        color: var(--accent);
        background: rgba(11, 15, 26, 0.8);
        border: 1px solid rgba(0, 224, 143, 0.3);
        padding: 0.2rem 0.7rem;
        border-radius: 999px;
        backdrop-filter: blur(6px);
    }
    .scenario-content {
        flex: 1;
        max-width: 500px;
    }
    .scenario-content .scen-index {
        font-family: "DIN Alternate", "Bahnschrift", sans-serif;
        font-size: 3rem;
        font-weight: 800;
        color: rgba(0, 224, 143, 0.3);
        line-height: 1;
        margin-bottom: 0.5rem;
    }
    .scenario-content h3 {
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 0.75rem;
    }
    .scenario-content p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.8;
        margin-bottom: 1rem;
    }
    .scenario-content .learn-more {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--accent);
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        transition: gap .2s;
    }
    .scenario-content .learn-more:hover {
        gap: 0.6rem;
    }
    @media(min-width:1024px) {
        .scenario-row {
            flex-direction: row;
            gap: 4rem;
        }
        .scenario-row:nth-child(even) {
            flex-direction: row-reverse;
        }
        .scenario-img {
            width: 45%;
        }
    }

    /* 流程 */
    .process-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .process-step {
        background: var(--glass);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 2rem 1.5rem;
        text-align: center;
        transition: border-color .25s, box-shadow .25s;
    }
    .process-step:hover {
        border-color: rgba(0, 224, 143, 0.3);
        box-shadow: var(--shadow-glow);
    }
    .process-step .step-num {
        font-family: "DIN Alternate", "Bahnschrift", sans-serif;
        font-size: 2.5rem;
        font-weight: 800;
        color: rgba(0, 224, 143, 0.4);
        line-height: 1;
        margin-bottom: 0.75rem;
    }
    .process-step h3 {
        font-size: 1.1rem;
        font-weight: 650;
        margin-bottom: 0.5rem;
    }
    .process-step p {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    @media(min-width:768px) {
        .process-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media(min-width:1024px) {
        .process-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    /* FAQ */
    .faq-list {
        max-width: 760px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--glass);
        backdrop-filter: blur(14px);
        border: 1px solid var(--border);
        border-radius: 14px;
        margin-bottom: 0.75rem;
        overflow: hidden;
        transition: border-color .25s;
    }
    .faq-item.open {
        border-color: rgba(0, 224, 143, 0.3);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text);
        cursor: pointer;
        transition: color .2s;
        width: 100%;
        text-align: left;
        background: transparent;
    }
    .faq-question:hover {
        color: var(--accent);
    }
    .faq-question .faq-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1rem;
        color: var(--text-secondary);
        transition: transform .3s ease-out, border-color .3s, color .3s;
        flex-shrink: 0;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        border-color: var(--accent);
        color: var(--accent);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease-out;
    }
    .faq-answer-inner {
        padding: 0 1.5rem 1.25rem;
        color: var(--text-secondary);
        font-size: 0.9rem;
        line-height: 1.8;
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
    }
    .faq-more {
        text-align: center;
        margin-top: 1.5rem;
        font-size: 0.9rem;
        color: var(--text-muted);
    }
    .faq-more a {
        color: var(--info);
        font-weight: 500;
    }
    .faq-more a:hover {
        text-decoration: underline;
    }

    /* CTA */
    .cta-section {
        position: relative;
        padding: 4.5rem 0;
        background: rgba(0, 224, 143, 0.06);
        border-top: 1px solid rgba(0, 224, 143, 0.12);
        border-bottom: 1px solid rgba(0, 224, 143, 0.12);
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(0, 224, 143, 0.12) 0%, transparent 70%);
        pointer-events: none;
        border-radius: 50%;
    }
    .cta-inner {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 640px;
        margin: 0 auto;
    }
    .cta-inner h2 {
        font-size: clamp(1.75rem, 3vw, 2.5rem);
        font-weight: 800;
        margin-bottom: 0.75rem;
    }
    .cta-inner p {
        color: var(--text-secondary);
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 2rem;
    }

    /* 页脚 */
    .site-footer {
        background: #080B13;
        border-top: 1px solid var(--border);
        padding: 4rem 0 0;
        margin-top: 2rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding-bottom: 2.5rem;
    }
    .footer-logo .logo {
        position: static;
        transform: none;
        margin-bottom: 1rem;
    }
    .footer-logo p {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.75;
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 1rem;
        letter-spacing: 0.02em;
    }
    .footer-col a {
        display: block;
        font-size: 0.88rem;
        color: var(--text-secondary);
        padding: 0.35rem 0;
        transition: color .2s, padding-left .2s;
    }
    .footer-col a:hover {
        color: var(--accent);
        padding-left: 0.3rem;
    }
    .footer-bottom {
        border-top: 1px solid var(--border);
        padding: 1.5rem 0;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        justify-content: space-between;
        align-items: center;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    @media(min-width:768px) {
        .footer-grid {
            grid-template-columns: 2fr 1fr 1fr 1fr;
        }
        .footer-bottom {
            flex-direction: row;
        }
    }

    /* 列表卡片横排（分类页顶部展示） */
    .list-row {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 1rem;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: rgba(255, 255, 255, 0.02);
        transition: background .2s, border-color .2s;
    }
    .list-row:hover {
        background: rgba(255, 255, 255, 0.04);
        border-color: rgba(0, 224, 143, 0.25);
    }
    .list-row .list-icon {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        background: rgba(0, 224, 143, 0.08);
        color: var(--accent);
        flex-shrink: 0;
        border: 1px solid rgba(0, 224, 143, 0.15);
    }

    @media(prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }