/* roulang page: index */
:root {
  --primary: #E79B00;
  --primary-dark: #C78300;
  --accent: #0E7C66;
  --accent-dark: #0A5F4E;
  --bg: #FAF5EC;
  --panel: #FDFBF7;
  --text-main: #1F1608;
  --text-sub: #6B5A42;
  --border: #E8DCC8;
  --hot: #E85D4A;
  --shadow: 0 1px 2px rgba(31,22,8,.06), 0 2px 8px rgba(31,22,8,.06);
  --shadow-hover: 0 2px 4px rgba(31,22,8,.08), 0 8px 24px rgba(31,22,8,.08);
  --radius: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  padding-bottom: 72px;
}
body.fixed-bar-hidden { padding-bottom: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease-out, background .2s ease-out, border-color .2s ease-out; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(231,155,0,.1);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.section-head h2 { font-size: 30px; font-weight: 800; line-height: 1.3; letter-spacing: -0.02em; color: var(--text-main); }
.section-head p { margin-top: 12px; font-size: 16px; color: var(--text-sub); }
h1, h2, h3, h4 { line-height: 1.3; letter-spacing: -0.01em; }
h1 { font-size: 44px; font-weight: 900; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: 30px; font-weight: 800; }
h3 { font-size: 20px; font-weight: 700; }
.hidden { display: none !important; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: 64px;
  background: rgba(250,245,236,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; transition: opacity .2s; }
.logo:hover { opacity: .8; }
.logo-icon {
  width: 32px; height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px;
  flex-shrink: 0;
}
.logo-text { font-size: 18px; font-weight: 800; color: var(--text-main); white-space: nowrap; }
.main-nav { display: flex; gap: 28px; }
.nav-link {
  font-size: 15px; font-weight: 500; color: var(--text-sub);
  padding: 6px 2px; position: relative;
  transition: color .2s;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--text-main); font-weight: 600; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--primary); border-radius: 2px;
}
.search-box { position: relative; width: 320px; flex-shrink: 1; }
.search-box input {
  width: 100%; height: 38px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  padding: 0 72px 0 16px; font-size: 14px; color: var(--text-main);
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.search-box input::placeholder { color: #B0A28A; }
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.15); }
.search-box .search-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-sub); background: transparent;
  transition: background .2s, color .2s;
}
.search-box .search-btn:hover { background: var(--bg); color: var(--primary); }
.key-hint {
  position: absolute; right: 38px; top: 50%; transform: translateY(-50%);
  font-size: 11px; color: var(--text-sub); background: var(--bg);
  padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border);
  pointer-events: none; white-space: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.dropdown { position: relative; }
.btn-version {
  display: flex; align-items: center; gap: 4px;
  height: 34px; padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  font-size: 13px; font-weight: 600; color: var(--text-main);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.btn-version:hover { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.12); }
.dropdown:hover .dropdown-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-panel {
  position: absolute; right: 0; top: 42px; width: 150px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 10px; padding: 6px; box-shadow: var(--shadow-hover);
  opacity: 0; visibility: hidden; transform: translateY(4px);
  transition: all .2s ease-out; z-index: 50;
}
.dropdown-panel a {
  display: block; padding: 8px 12px; font-size: 13px;
  border-radius: 6px; color: var(--text-sub); font-weight: 500;
}
.dropdown-panel a:hover { background: var(--bg); color: var(--primary); }
.btn-lang {
  height: 34px; padding: 0 12px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  font-size: 13px; font-weight: 600; color: var(--text-sub);
  transition: border-color .2s, color .2s;
}
.btn-lang:hover { border-color: var(--primary); color: var(--primary); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; }
.hamburger span { width: 22px; height: 2px; background: var(--text-main); border-radius: 2px; transition: transform .2s, opacity .2s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; top: 64px; right: 0; bottom: 0; left: 0; z-index: 99;
  background: var(--bg); padding: 24px;
  transform: translateX(100%); transition: transform .3s ease-out;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .mm-search { margin-bottom: 24px; }
.mobile-menu .mm-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu .mm-nav a {
  padding: 12px 16px; font-size: 16px; font-weight: 600;
  color: var(--text-main); border-radius: 10px; transition: background .2s;
}
.mobile-menu .mm-nav a:hover { background: rgba(231,155,0,.08); color: var(--primary); }
.mobile-menu .mm-nav a.active { background: rgba(231,155,0,.1); color: var(--primary-dark); }
.mobile-menu .mm-actions { display: flex; gap: 10px; margin-top: 24px; }
.mobile-menu .mm-actions button {
  flex: 1; height: 40px; border-radius: var(--radius-btn);
  border: 1px solid var(--border); background: #fff; font-size: 14px; font-weight: 600;
}

/* Hero */
.hero {
  position: relative;
  padding: 80px 0 96px;
  background: linear-gradient(135deg, rgba(250,245,236,.95), rgba(250,245,236,.88)),
              url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 20% 30%, rgba(231,155,0,.08), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent);
  background: rgba(14,124,102,.08);
  border: 1px solid rgba(14,124,102,.15);
  padding: 5px 14px; border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.hero h1 { margin-bottom: 16px; }
.hero-sub { font-size: 17px; color: var(--text-sub); max-width: 480px; margin-bottom: 32px; }
.hero-ctas { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--primary); color: #fff;
  padding: 14px 32px; border-radius: var(--radius-btn);
  font-size: 16px; font-weight: 700;
  box-shadow: 0 2px 8px rgba(231,155,0,.3);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(231,155,0,.35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 1px 4px rgba(231,155,0,.3); }
.btn-primary:focus-visible { outline: 2px solid var(--primary-dark); outline-offset: 2px; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 12px; font-size: 15px; font-weight: 600;
  color: var(--text-sub); border-radius: var(--radius-btn);
  transition: color .2s, background .2s;
}
.btn-ghost:hover { color: var(--primary); background: rgba(231,155,0,.06); }
.btn-ghost .arrow { transition: transform .2s; }
.btn-ghost:hover .arrow { transform: translateX(3px); }
.hero-trust { display: flex; gap: 20px; margin-top: 28px; flex-wrap: wrap; font-size: 13px; color: var(--text-sub); }
.hero-trust span { display: inline-flex; align-items: center; gap: 5px; }
.hero-trust .num { font-weight: 700; color: var(--primary-dark); font-size: 15px; }

/* Hero card */
.hero-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow-hover);
  position: relative;
}
.hero-card::before {
  content: '推荐';
  position: absolute; top: -12px; right: 24px;
  background: var(--primary); color: #fff;
  font-size: 12px; font-weight: 700;
  padding: 4px 14px; border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(231,155,0,.3);
}
.hero-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.hero-card-head .fire { color: var(--primary); font-size: 22px; }
.hero-card-head h3 { font-size: 17px; font-weight: 700; }
.hero-card-list { display: flex; flex-direction: column; }
.hero-card-item {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 0; border-bottom: 1px dashed var(--border);
}
.hero-card-item:last-child { border-bottom: none; }
.hero-card-item .name { font-size: 15px; font-weight: 600; }
.hero-card-item .desc { font-size: 12px; color: var(--text-sub); margin-top: 2px; }
.badge-free {
  display: inline-block;
  font-size: 12px; font-weight: 700; color: var(--accent);
  background: rgba(14,124,102,.1); border: 1px solid rgba(14,124,102,.15);
  padding: 2px 10px; border-radius: var(--radius-pill);
  white-space: nowrap;
}
.hero-card-foot { display: flex; justify-content: center; margin-top: 16px; }
.hero-card-link { font-size: 14px; font-weight: 600; color: var(--primary-dark); display: inline-flex; align-items: center; gap: 4px; padding: 8px 16px; border-radius: var(--radius-btn); transition: background .2s; }
.hero-card-link:hover { background: rgba(231,155,0,.08); }
.hero-card-link .arrow { transition: transform .2s; }
.hero-card-link:hover .arrow { transform: translateX(3px); }

/* Tiers */
.tiers { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tier-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 24px;
  position: relative; box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(231,155,0,.3); }
.tier-card.recommend { border-color: var(--primary); box-shadow: 0 4px 16px rgba(231,155,0,.12); }
.tier-card.recommend::after {
  content: '最多人选'; position: absolute; top: 14px; right: 14px;
  background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: var(--radius-pill);
}
.tier-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 16px; }
.tier-card:nth-child(1) .tier-icon { background: rgba(231,155,0,.12); }
.tier-card:nth-child(2) .tier-icon { background: rgba(14,124,102,.12); }
.tier-card:nth-child(3) .tier-icon { background: rgba(232,93,74,.12); }
.tier-card h3 { font-size: 19px; margin-bottom: 6px; }
.tier-card .tier-fit { font-size: 13px; color: var(--text-sub); margin-bottom: 16px; display: block; }
.tier-card ul { list-style: none; margin-bottom: 20px; }
.tier-card ul li {
  font-size: 14px; color: var(--text-sub);
  padding: 6px 0 6px 24px; position: relative;
}
.tier-card ul li::before {
  content: '✓'; position: absolute; left: 0; top: 6px;
  color: var(--accent); font-weight: 700; font-size: 14px;
}
.btn-tier {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; padding: 10px 0; border-radius: var(--radius-btn);
  font-size: 14px; font-weight: 700;
  border: 1px solid var(--border); background: #fff; color: var(--text-main);
  transition: all .2s;
}
.btn-tier:hover { border-color: var(--primary); color: var(--primary-dark); background: rgba(231,155,0,.04); }
.btn-tier.solid { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-tier.solid:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }

/* Features */
.features { background: var(--bg); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.feature-card:hover { background: #fff; box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(231,155,0,.3); }
.feature-num {
  font-size: 56px; font-weight: 900; color: rgba(31,22,8,.06);
  line-height: 1; position: absolute; top: 16px; right: 20px;
  transition: color .2s;
}
.feature-card:hover .feature-num { color: rgba(231,155,0,.15); }
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 14px; position: relative; z-index: 1; }
.feature-divider { width: 40px; height: 2px; background: var(--border); margin-bottom: 14px; position: relative; z-index: 1; transition: background .2s; }
.feature-card:hover .feature-divider { background: var(--primary); }
.feature-desc { font-size: 14px; color: var(--text-sub); line-height: 1.75; margin-bottom: 18px; position: relative; z-index: 1; }
.feature-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 600; color: var(--primary-dark);
  opacity: .8; transition: opacity .2s;
}
.feature-link:hover { opacity: 1; }
.feature-link .arrow { transition: transform .2s; }
.feature-link:hover .arrow { transform: translateX(4px); }

/* Compare */
.compare-section { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.compare-table-wrap { max-width: 880px; margin: 0 auto; overflow-x: auto; }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow); }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; font-size: 15px; }
.compare-table thead th { background: var(--bg); font-weight: 700; font-size: 15px; border-bottom: 1px solid var(--border); }
.compare-table thead th:first-child { background: #FAF5EC; color: var(--text-sub); font-weight: 500; }
.compare-table thead th.ours { background: rgba(231,155,0,.12); color: var(--primary-dark); }
.compare-table tbody td { border-bottom: 1px solid #F0E8DA; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody td:first-child { color: var(--text-sub); font-weight: 500; }
.compare-table tbody td.ours { font-weight: 600; color: var(--text-main); }
.compare-table .yes { color: var(--accent); font-weight: 700; }
.compare-table .no { color: #B0A28A; }
.compare-table .mine { color: var(--primary-dark); font-weight: 700; }

/* Scenes */
.scenes { background: var(--bg); }
.scene-block {
  display: grid; grid-template-columns: 55% 45%; gap: 48px;
  align-items: center; margin-bottom: 80px;
}
.scene-block:last-child { margin-bottom: 0; }
.scene-block.reverse { grid-template-columns: 45% 55%; }
.scene-block.reverse .scene-img { order: 2; }
.scene-img { position: relative; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-hover); }
.scene-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.scene-img .img-badge {
  position: absolute; bottom: 16px; left: 16px;
  background: rgba(255,255,255,.95);
  border-radius: var(--radius-pill);
  padding: 6px 14px; font-size: 12px; font-weight: 700;
  color: var(--text-main); box-shadow: var(--shadow);
}
.scene-tag {
  display: inline-block; font-size: 13px; font-weight: 700;
  color: var(--primary-dark); background: rgba(231,155,0,.1);
  padding: 4px 14px; border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.scene-block h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; }
.scene-block .scene-desc { font-size: 15px; color: var(--text-sub); margin-bottom: 20px; }
.scene-list { list-style: none; margin-bottom: 24px; }
.scene-list li { font-size: 14px; color: var(--text-main); padding: 7px 0 7px 28px; position: relative; }
.scene-list li::before {
  content: '✓'; position: absolute; left: 0; top: 7px;
  width: 18px; height: 18px; background: rgba(14,124,102,.1);
  border-radius: 50%; color: var(--accent); font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.btn-scene {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #fff;
  padding: 12px 26px; border-radius: var(--radius-btn);
  font-size: 15px; font-weight: 600;
  transition: background .2s, transform .2s;
}
.btn-scene:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-scene:active { transform: translateY(0); }
.btn-scene:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 2px; }

/* Guarantee */
.guarantee { background: #1F1608; color: #F5EDE0; }
.guarantee .section-head h2 { color: #F5EDE0; }
.guarantee .section-head p { color: rgba(245,237,224,.7); }
.guarantee .section-tag { background: rgba(231,155,0,.2); color: var(--primary); }
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.guarantee-item {
  text-align: center; padding: 28px 16px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  transition: border-color .2s, background .2s;
}
.guarantee-item:hover { border-color: rgba(231,155,0,.3); background: rgba(255,255,255,.03); }
.guarantee-item .g-icon { font-size: 32px; margin-bottom: 12px; }
.guarantee-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: #F5EDE0; }
.guarantee-item p { font-size: 13px; color: rgba(245,237,224,.6); line-height: 1.6; }

/* Social proof */
.social-proof { background: var(--bg); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 56px; }
.stat-item { text-align: center; padding: 20px; }
.stat-item .stat-num { font-size: 44px; font-weight: 900; color: var(--primary); line-height: 1.2; }
.stat-item .stat-label { font-size: 14px; color: var(--text-sub); margin-top: 6px; }
.reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.review-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  box-shadow: var(--shadow);
  position: relative;
  transition: box-shadow .2s, transform .2s;
}
.review-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.review-card::before {
  content: '"'; position: absolute; top: 12px; left: 18px;
  font-size: 60px; color: rgba(231,155,0,.2);
  font-family: Georgia, serif; line-height: 1;
}
.review-stars { color: var(--primary); font-size: 16px; letter-spacing: 2px; margin-bottom: 12px; }
.review-text { font-size: 15px; color: var(--text-main); line-height: 1.8; margin-bottom: 16px; position: relative; z-index: 1; }
.review-author { font-size: 14px; color: var(--text-sub); display: flex; align-items: center; gap: 6px; }
.review-author .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(231,155,0,.15); color: var(--primary-dark);
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* Updates */
.updates { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.updates-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; }
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; border-radius: var(--radius);
  border: 1px solid transparent; transition: background .2s, border-color .2s, transform .2s;
}
.news-item:hover { background: #fff; border-color: var(--border); transform: translateX(4px); box-shadow: var(--shadow); }
.news-item .news-title { font-size: 16px; font-weight: 600; }
.news-item .news-meta { font-size: 13px; color: var(--text-sub); }
.news-item .news-link { font-size: 14px; font-weight: 600; color: var(--primary-dark); white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; }
.news-item .news-link:hover { text-decoration: underline; }
.news-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--primary-dark); padding: 10px 16px; border-radius: var(--radius-btn); background: rgba(231,155,0,.08); transition: background .2s; }
.news-more:hover { background: rgba(231,155,0,.15); }
.updates-side { display: flex; flex-direction: column; gap: 32px; }
.side-block { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.side-block h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-pill {
  display: inline-block; font-size: 13px; font-weight: 500;
  padding: 5px 14px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text-sub); transition: all .2s;
}
.tag-pill:hover { border-color: var(--primary); color: var(--primary-dark); background: rgba(231,155,0,.05); }
.rank-list { display: flex; flex-direction: column; }
.rank-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px dashed #F0E8DA; }
.rank-item:last-child { border-bottom: none; }
.rank-num { font-size: 18px; font-weight: 900; color: var(--border); width: 28px; }
.rank-item:nth-child(1) .rank-num { color: var(--primary); }
.rank-item:nth-child(2) .rank-num { color: #C9A96A; }
.rank-item:nth-child(3) .rank-num { color: #B08D57; }
.rank-info .rank-name { font-size: 14px; font-weight: 600; }
.rank-info .rank-count { font-size: 12px; color: var(--text-sub); }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 12px;
  overflow: hidden; transition: box-shadow .2s;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item.active { border-color: rgba(231,155,0,.3); box-shadow: var(--shadow); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--text-main);
  background: none; border: none;
  transition: color .2s;
}
.faq-question:hover { color: var(--primary-dark); }
.faq-question .faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid var(--border); display: flex;
  align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .3s;
  font-size: 18px; color: var(--text-sub);
}
.faq-item.active .faq-icon { transform: rotate(45deg); border-color: var(--primary); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease-out; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 24px 20px; font-size: 15px; color: var(--text-sub); line-height: 1.75; border-top: 1px solid var(--border); padding-top: 16px; }

/* CTA */
.cta-block { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 960px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(231,155,0,.12), rgba(231,155,0,.04));
  border: 1px solid rgba(231,155,0,.25);
  border-radius: 20px; padding: 48px;
  box-shadow: var(--shadow);
}
.cta-inner .cta-left { max-width: 480px; }
.cta-inner h2 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.cta-inner p { font-size: 15px; color: var(--text-sub); }
.cta-inner .btn-primary { flex-shrink: 0; }
.cta-time { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 13px; font-weight: 700; color: var(--hot); background: rgba(232,93,74,.1); padding: 4px 12px; border-radius: var(--radius-pill); }

/* Footer */
.site-footer { background: #1F1608; color: rgba(245,237,224,.7); padding: 64px 0 80px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand .logo-text { color: #F5EDE0; }
.footer-brand-desc { font-size: 14px; line-height: 1.8; color: rgba(245,237,224,.6); }
.footer-col h3 { font-size: 15px; font-weight: 700; color: #F5EDE0; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(245,237,224,.6); transition: color .2s; }
.footer-col ul a:hover { color: var(--primary); }
.footer-subscribe form { display: flex; gap: 8px; margin-top: 12px; }
.footer-subscribe input {
  flex: 1; height: 38px; border-radius: var(--radius-btn);
  border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06);
  color: #F5EDE0; padding: 0 14px; font-size: 14px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.footer-subscribe input::placeholder { color: rgba(245,237,224,.4); }
.footer-subscribe input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.15); }
.footer-subscribe button {
  height: 38px; padding: 0 18px; border-radius: var(--radius-btn);
  background: var(--primary); color: #fff; font-size: 14px; font-weight: 700;
  transition: background .2s;
}
.footer-subscribe button:hover { background: var(--primary-dark); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 48px; padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: rgba(245,237,224,.4);
}

/* Fixed bar */
.fixed-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  height: 64px; background: var(--panel);
  border-top: 2px solid var(--primary);
  box-shadow: 0 -4px 16px rgba(31,22,8,.08);
  display: flex; align-items: center;
}
.fixed-bar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.fixed-bar-text { font-size: 14px; color: var(--text-sub); }
.fixed-bar-text strong { color: var(--primary-dark); font-size: 16px; }
.fixed-bar .btn-primary { padding: 10px 24px; font-size: 14px; }

/* Responsive */
@media (max-width: 1023px) {
  .main-nav { gap: 16px; }
  .search-box { width: 220px; }
  .hero .container { gap: 32px; }
  .hero-card { padding: 20px; }
  .scene-block { gap: 32px; }
  .scene-block.reverse { grid-template-columns: 45% 55%; }
  .updates-layout { grid-template-columns: 1fr 260px; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .main-nav, .search-box, .header-actions .dropdown, .btn-lang { display: none; }
  .hamburger { display: flex; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .hero { padding: 56px 0 72px; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-card { margin-top: 24px; }
  h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .tier-grid, .feature-grid { grid-template-columns: 1fr; }
  .scene-block, .scene-block.reverse { grid-template-columns: 1fr; }
  .scene-block.reverse .scene-img { order: 0; }
  .scene-img { margin-bottom: 24px; }
  .scene-block.reverse .scene-img { order: -1; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .updates-layout { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; padding: 32px 24px; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .fixed-bar-text { font-size: 12px; }
  .fixed-bar-text strong { display: block; }
  .fixed-bar .container { padding: 0 16px; }
}
@media (max-width: 520px) {
  .guarantee-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }
  .hero-trust { gap: 12px; }
  .news-item { flex-wrap: wrap; gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto; }
}

/* roulang page: category1 */
:root {
  --primary: #E79B00;
  --primary-dark: #C78300;
  --accent: #0E7C66;
  --accent-dark: #0A5F4E;
  --bg: #FAF5EC;
  --panel: #FDFBF7;
  --text-main: #1F1608;
  --text-sub: #6B5A42;
  --border: #E8DCC8;
  --hot: #E85D4A;
  --shadow: 0 1px 2px rgba(31,22,8,.06), 0 2px 8px rgba(31,22,8,.06);
  --shadow-hover: 0 2px 4px rgba(31,22,8,.08), 0 8px 24px rgba(31,22,8,.08);
  --radius: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease-out, background .2s ease-out, border-color .2s ease-out; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
ul, ol, p, h1, h2, h3, h4, h5, h6 { margin: 0; padding: 0; }
*:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(231,155,0,.1);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.section-head h2 { font-size: 30px; font-weight: 800; line-height: 1.3; letter-spacing: -0.02em; color: var(--text-main); }
.section-head p { margin-top: 12px; font-size: 16px; color: var(--text-sub); }

/* ========== Header ========== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: 64px;
  background: rgba(250,245,236,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; transition: opacity .2s; }
.logo:hover { opacity: .8; }
.logo-icon {
  width: 32px; height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px;
  flex-shrink: 0;
}
.logo-text { font-size: 18px; font-weight: 800; color: var(--text-main); white-space: nowrap; }
.main-nav { display: flex; gap: 28px; }
.nav-link {
  font-size: 15px; font-weight: 500; color: var(--text-sub);
  padding: 6px 2px; position: relative;
  transition: color .2s;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--text-main); font-weight: 600; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--primary); border-radius: 2px;
}
.search-box { position: relative; width: 320px; flex-shrink: 1; }
.search-box input {
  width: 100%; height: 38px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  padding: 0 72px 0 16px; font-size: 14px; color: var(--text-main);
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.search-box input::placeholder { color: #B0A28A; }
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.15); }
.search-box .search-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-sub); background: transparent;
  transition: background .2s, color .2s;
  border: none;
}
.search-box .search-btn:hover { background: var(--bg); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.btn-version {
  display: flex; align-items: center; gap: 4px;
  height: 34px; padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  font-size: 13px; font-weight: 600; color: var(--text-main);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.btn-version:hover { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.12); }
.btn-lang {
  height: 34px; padding: 0 12px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  font-size: 13px; font-weight: 600; color: var(--text-sub);
  transition: border-color .2s, color .2s;
}
.btn-lang:hover { border-color: var(--primary); color: var(--primary); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; }
.hamburger span { width: 22px; height: 2px; background: var(--text-main); border-radius: 2px; transition: transform .2s, opacity .2s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Mobile Menu ========== */
.mobile-menu {
  position: fixed; top: 64px; right: 0; bottom: 0; left: 0; z-index: 99;
  background: var(--bg); padding: 24px;
  transform: translateX(100%); transition: transform .3s ease-out;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .mm-search { margin-bottom: 24px; }
.mobile-menu .mm-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu .mm-nav a {
  padding: 12px 16px; font-size: 16px; font-weight: 600;
  color: var(--text-main); border-radius: 10px; transition: background .2s;
}
.mobile-menu .mm-nav a:hover { background: rgba(231,155,0,.08); color: var(--primary); }
.mobile-menu .mm-nav a.active { background: rgba(231,155,0,.1); color: var(--primary-dark); }
.mobile-menu .mm-actions { display: flex; gap: 10px; margin-top: 24px; }
.mobile-menu .mm-actions button {
  flex: 1; height: 40px; border-radius: var(--radius-btn);
  border: 1px solid var(--border); background: #fff; font-size: 14px; font-weight: 600;
}

/* ========== Category Layout ========== */
.category-layout {
  max-width: 1320px;
  margin: 0 auto;
  padding: 32px 24px 72px;
  display: flex;
  align-items: flex-start;
  gap: 40px;
}
.doc-sidebar {
  width: 264px;
  flex-shrink: 0;
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 8px 20px 24px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.doc-sidebar::-webkit-scrollbar { width: 4px; }
.doc-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.sidebar-head { padding: 8px 0 16px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.sidebar-title { font-size: 14px; font-weight: 700; color: var(--primary-dark); letter-spacing: .04em; }
.sidebar-group { margin-bottom: 20px; }
.sidebar-group-title {
  font-size: 12px; font-weight: 700; color: var(--text-sub);
  text-transform: uppercase; letter-spacing: .06em;
  margin: 0 0 6px; padding: 0 10px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  font-size: 14px; font-weight: 500; color: var(--text-sub);
  border-radius: 8px;
  transition: color .2s, transform .2s, background .2s;
}
.sidebar-link .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--border); flex-shrink: 0;
  transition: background .2s;
}
.sidebar-link:hover { color: var(--primary); transform: translateX(-2px); }
.sidebar-link:hover .dot { background: var(--primary); }
.sidebar-link.active { color: var(--primary-dark); background: rgba(231,155,0,.08); font-weight: 600; }
.sidebar-link.active .dot { background: var(--primary); }
.back-top {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px; padding: 8px 10px;
  font-size: 13px; font-weight: 600; color: var(--text-sub);
  transition: color .2s;
}
.back-top:hover { color: var(--primary); }
.sidebar-overlay {
  position: fixed; inset: 0; z-index: 94;
  background: rgba(31,22,8,.42);
  opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.sidebar-overlay.open { opacity: 1; pointer-events: auto; }

/* ========== Doc Main ========== */
.doc-main { flex: 1; min-width: 0; max-width: 960px; }
.doc-toolbar { display: none; align-items: center; gap: 12px; margin-bottom: 20px; }
.sidebar-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 16px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border); background: #fff;
  font-size: 14px; font-weight: 600; color: var(--text-main);
  transition: border-color .2s, box-shadow .2s;
}
.sidebar-toggle:hover { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.12); }
.toolbar-label { font-size: 14px; color: var(--text-sub); font-weight: 500; }

.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-sub);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-sub); transition: color .2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.category-title {
  font-size: 34px; font-weight: 800; line-height: 1.25;
  letter-spacing: -0.02em; color: var(--text-main);
  margin-bottom: 12px;
}
.category-desc {
  font-size: 16px; color: var(--text-sub);
  line-height: 1.8; margin-bottom: 28px;
  max-width: 760px;
}
.filter-group { display: flex; flex-wrap: nowrap; gap: 8px; margin-bottom: 32px; overflow-x: auto; padding-bottom: 4px; }
.filter-btn {
  flex-shrink: 0;
  height: 36px; padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 13px; font-weight: 600; color: var(--text-sub);
  transition: border-color .2s, background .2s, color .2s, box-shadow .2s;
  white-space: nowrap;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ========== Resource Cards ========== */
.resource-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.resource-card {
  display: flex; align-items: center; gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.resource-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.resource-thumb-wrap { position: relative; flex-shrink: 0; }
.resource-thumb {
  width: 128px; height: 88px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--bg);
}
.thumb-time {
  position: absolute; left: 6px; bottom: 6px;
  font-size: 11px; font-weight: 700; color: #fff;
  background: rgba(31,22,8,.72);
  padding: 2px 8px; border-radius: var(--radius-pill);
}
.resource-body { flex: 1; min-width: 0; }
.resource-body h3 {
  font-size: 17px; font-weight: 700; color: var(--text-main);
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  margin-bottom: 4px;
}
.resource-desc {
  font-size: 14px; color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.resource-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  color: var(--text-sub);
  background: var(--bg);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}
.tag.tag-primary { color: var(--primary-dark); background: rgba(231,155,0,.1); }
.tag.tag-hot { color: var(--hot); background: rgba(232,93,74,.1); }
.update-time { font-size: 12px; color: #B0A28A; margin-left: auto; }
.badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: var(--radius-pill);
  letter-spacing: .02em;
}
.badge-free { color: var(--accent); background: rgba(14,124,102,.1); }
.badge-hot { color: var(--hot); background: rgba(232,93,74,.1); }
.badge-new { color: var(--primary-dark); background: rgba(231,155,0,.12); }
.btn-get {
  flex-shrink: 0;
  height: 38px; padding: 0 18px;
  border-radius: var(--radius-btn);
  background: var(--accent); border: 1px solid var(--accent);
  color: #fff;
  font-size: 14px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn-get:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(14,124,102,.25); }
.btn-get:active { transform: translateY(1px); box-shadow: none; }

/* ========== Pagination ========== */
.pagination { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 48px; }
.page-btn {
  min-width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 14px; font-weight: 600; color: var(--text-sub);
  transition: border-color .2s, background .2s, color .2s;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:active { transform: translateY(1px); }
.page-dots { color: var(--text-sub); font-size: 14px; padding: 0 4px; }

/* ========== FAQ ========== */
.faq-section { margin-bottom: 48px; }
.faq-title { font-size: 22px; font-weight: 800; color: var(--text-main); margin-bottom: 20px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item:hover { border-color: var(--primary); }
.faq-item.open { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: transparent; border: none;
  font-size: 16px; font-weight: 600; color: var(--text-main);
  text-align: left;
  transition: color .2s;
}
.faq-question:hover { color: var(--primary-dark); }
.faq-icon {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--primary-dark);
  font-size: 16px; font-weight: 700;
  flex-shrink: 0;
  transition: transform .25s ease-out, background .2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease-out;
}
.faq-item.open .faq-answer { max-height: 240px; }
.faq-answer-inner { padding: 0 20px 18px 56px; }
.faq-answer-inner p { font-size: 14px; color: var(--text-sub); line-height: 1.8; }

/* ========== CTA Block ========== */
.cta-block {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, rgba(231,155,0,.12), rgba(231,155,0,.05));
  border: 1px solid rgba(231,155,0,.3);
  border-radius: 16px;
  padding: 36px 40px;
}
.cta-info h3 { font-size: 22px; font-weight: 800; color: var(--text-main); margin-bottom: 6px; }
.cta-info p { font-size: 15px; color: var(--text-sub); }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 42px; padding: 0 24px;
  border-radius: var(--radius-btn);
  background: var(--primary); border: 1px solid var(--primary);
  color: #fff; font-size: 14px; font-weight: 700;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(231,155,0,.3); }
.btn-primary:active { transform: translateY(1px); box-shadow: none; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  height: 42px; padding: 0 24px;
  border-radius: var(--radius-btn);
  background: #fff; border: 1px solid var(--border);
  color: var(--text-main); font-size: 14px; font-weight: 600;
  transition: border-color .2s, color .2s, transform .2s;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
.btn-outline:active { transform: translateY(1px); }

/* ========== Footer ========== */
.site-footer {
  background: #1F1608;
  color: rgba(245,237,224,.8);
  padding: 64px 0 0;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand .logo-text { color: #f5ede0; }
.footer-brand-desc { font-size: 14px; color: rgba(245,237,224,.6); line-height: 1.7; max-width: 280px; }
.footer-col h3 {
  font-size: 15px; font-weight: 700; color: #f5ede0;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(245,237,224,.55); transition: color .2s; }
.footer-col ul a:hover { color: var(--primary); }
.footer-subscribe p { margin-bottom: 12px; }
.footer-subscribe form { display: flex; gap: 8px; }
.footer-subscribe input {
  flex: 1; min-width: 0;
  height: 38px; padding: 0 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.06);
  color: #f5ede0; font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.footer-subscribe input::placeholder { color: rgba(245,237,224,.4); }
.footer-subscribe input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(231,155,0,.15); }
.footer-subscribe button {
  height: 38px; padding: 0 20px;
  border-radius: var(--radius-pill);
  background: var(--primary); border: none;
  color: #fff; font-size: 14px; font-weight: 700;
  transition: background .2s, transform .2s;
}
.footer-subscribe button:hover { background: var(--primary-dark); transform: translateY(-1px); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 20px 0 28px;
  font-size: 13px; color: rgba(245,237,224,.35);
}

/* ========== Responsive ========== */
@media (max-width: 1023px) {
  .category-layout { padding: 24px 16px 48px; gap: 24px; }
  .doc-sidebar {
    position: fixed; left: 0; top: 64px; bottom: 0;
    width: 280px; height: auto; max-height: none;
    background: var(--bg);
    z-index: 95;
    padding: 24px;
    border-right: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(31,22,8,.1);
    transform: translateX(-100%);
    transition: transform .3s ease-out;
  }
  .doc-sidebar.open { transform: translateX(0); }
  .doc-toolbar { display: flex; }
  .breadcrumb { margin-bottom: 12px; }
  .category-title { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .header-inner { gap: 10px; }
  .main-nav { display: none; }
  .search-box { display: none; }
  .header-actions { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .category-layout { padding: 20px 12px 40px; }
  .doc-main { flex: 1; }
  .resource-card { flex-direction: row; align-items: center; gap: 12px; padding: 12px; }
  .resource-thumb { width: 96px; height: 72px; }
  .resource-body h3 { font-size: 15px; }
  .resource-desc { font-size: 13px; -webkit-line-clamp: 1; }
  .btn-get { height: 34px; padding: 0 12px; font-size: 13px; }
  .resource-meta .tag { display: none; }
  .resource-meta .tag:first-child { display: inline-block; }
  .update-time { font-size: 11px; }
  .cta-block { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn-primary,
  .cta-actions .btn-outline { flex: 1; }
  .faq-answer-inner { padding-left: 48px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .search-box { width: 240px; }
  .main-nav { gap: 16px; }
}