/* roulang page: index */
:root {
  --brand-yellow: #F5A623;
  --brand-amber: #E8921B;
  --accent-red: #E34D2F;
  --bg-warm: #FFF9F0;
  --bg-dark: #1F1B16;
  --text-main: #1F1B16;
  --text-secondary: #6B6257;
  --border-light: rgba(0,0,0,0.06);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-btn: 10px;
  --shadow-normal: 0 2px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.08), 0 12px 32px rgba(0,0,0,0.10);
  --gap: 24px;
}
* { 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-warm);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; height:auto; display:block; }
a { color: inherit; text-decoration: none; transition: color .25s; }
a:focus-visible { outline:2px solid var(--brand-yellow); outline-offset:3px; border-radius:4px; }
a:hover { color: var(--brand-amber); }
button { font-family: inherit; cursor: pointer; }
.container-site { max-width:1200px; margin:0 auto; padding:0 24px; }
.section-padding { padding: 96px 0; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight:700; line-height:1.35; letter-spacing:-0.02em; }
.section-sub { font-size:1.0625rem; line-height:1.8; color:var(--text-secondary); margin-top:8px; }
.card-base {
  background: #fff;
  border:1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-normal);
  transition: transform .3s ease, box-shadow .3s ease;
}
.card-base:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.btn-primary {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background: var(--brand-yellow); color: var(--text-main);
  font-weight:600; font-size:1rem; padding:12px 28px;
  border-radius: var(--radius-btn); border:1px solid transparent;
  transition: all .3s ease; line-height:1.5; white-space:nowrap;
}
.btn-primary:hover { background: var(--brand-amber); color:#fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,166,35,.35); }
.btn-primary:active { transform: scale(.98); }
.btn-outline {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background: transparent; color: var(--text-main);
  font-weight:600; font-size:1rem; padding:12px 28px;
  border-radius: var(--radius-btn); border:1.5px solid rgba(31,27,22,.25);
  transition: all .3s ease; line-height:1.5; white-space:nowrap;
}
.btn-outline:hover { border-color: var(--brand-yellow); background: rgba(245,166,35,.08); color: var(--text-main); transform: translateY(-2px); }
.btn-outline:active { transform: scale(.98); }
.badge {
  display:inline-block; padding:4px 14px; border-radius:999px;
  font-size:.8125rem; font-weight:500; line-height:1.4;
}
.text-ellipsis-2 {
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* Header */
.site-header {
  position: sticky; top:0; z-index:100;
  background: rgba(255,249,240,.92);
  backdrop-filter: blur(8px);
  border-bottom:1px solid rgba(0,0,0,.06);
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.nav-wrap { display:flex; align-items:center; justify-content:space-between; height:72px; gap:20px; }
.logo-wrap { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-icon {
  width:38px; height:38px; border-radius:10px;
  background: linear-gradient(135deg, #F5A623, #E8921B);
  display:flex; align-items:center; justify-content:center;
  font-size:20px; font-weight:800; color:#fff;
  box-shadow: 0 4px 12px rgba(245,166,35,.35);
}
.logo-text { font-size:1.25rem; font-weight:800; letter-spacing:-.02em; }
.logo-text span { color: var(--brand-amber); }
.nav-links { display:flex; align-items:center; gap:4px; }
.nav-links a {
  padding:8px 16px; border-radius:8px; font-size:.9375rem; font-weight:500;
  color: var(--text-secondary); transition: all .25s; position:relative;
}
.nav-links a:hover { color: var(--brand-amber); background: rgba(245,166,35,.08); }
.nav-links a.active { color: var(--text-main); font-weight:600; }
.nav-links a.active::after {
  content:''; position:absolute; bottom:-2px; left:16px; right:16px;
  height:2px; border-radius:2px; background: var(--brand-yellow);
}
.nav-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.nav-search {
  display:flex; align-items:center; background:#fff;
  border:1px solid rgba(0,0,0,.1); border-radius:8px; padding:0 12px;
  height:38px; transition: all .25s;
}
.nav-search:focus-within { border-color: var(--brand-yellow); box-shadow: 0 0 0 3px rgba(245,166,35,.2); }
.nav-search input {
  border:none; outline:none; background:transparent;
  font-size:.875rem; width:130px; color:var(--text-main);
}
.nav-search i { color: var(--text-secondary); font-size:.8125rem; }
.nav-start {
  background: var(--brand-yellow); color: var(--text-main);
  font-size:.875rem; font-weight:600; padding:8px 18px;
  border-radius:8px; border:none; transition: all .3s;
}
.nav-start:hover { background: var(--brand-amber); color:#fff; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(245,166,35,.3); }
.nav-start:active { transform: scale(.97); }
.hamburger { display:none; background:none; border:none; font-size:1.4rem; color:var(--text-main); padding:6px; }
.mobile-menu {
  display:none; background: var(--bg-warm);
  border-bottom:1px solid rgba(0,0,0,.06);
  padding:16px 24px;
}
.mobile-menu.open { display:block; }
.mobile-menu a {
  display:block; padding:12px 0; border-bottom:1px solid rgba(0,0,0,.04);
  font-size:1rem; font-weight:500; color:var(--text-main);
}
.mobile-menu a.active { color: var(--brand-amber); font-weight:700; }
.mobile-menu .m-search { display:flex; margin-bottom:10px; }

/* Hero */
.hero-section {
  position:relative; padding: 72px 0 72px;
  background: var(--bg-warm);
  overflow:hidden;
}
.hero-section::before {
  content:''; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(circle at 12% 20%, rgba(245,166,35,.18) 0%, transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(232,146,27,.12) 0%, transparent 40%);
}
.hero-bg {
  position:absolute; inset:0; z-index:0; opacity:.08;
  background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
}
.hero-section .container-site { position:relative; z-index:2; }
.hero-grid { display:grid; grid-template-columns: 1.05fr .95fr; gap:56px; align-items:center; }
.hero-right { position:relative; }
.hero-img-wrap {
  position:relative; border-radius:20px; overflow:hidden;
  box-shadow: 0 12px 40px rgba(31,27,22,.18);
}
.hero-img-wrap img { width:100%; height:420px; object-fit:cover; }
.hero-img-tag {
  position:absolute; top:16px; left:16px; z-index:2;
  background: rgba(31,27,22,.75); color:#fff;
  padding:6px 16px; border-radius:999px;
  font-size:.8125rem; font-weight:500;
  display:flex; align-items:center; gap:6px;
}
.hero-data-card {
  position:absolute; bottom:20px; left:20px; right:20px;
  background:#fff; border-radius:14px; padding:16px 20px;
  box-shadow: 0 8px 30px rgba(0,0,0,.1);
  display:flex; justify-content:space-between; align-items:center;
  border:1px solid rgba(0,0,0,.04);
}
.hero-data-item { text-align:center; flex:1; }
.hero-data-item + .hero-data-item { border-left:1px solid rgba(0,0,0,.06); }
.hero-data-num { font-size:1.6rem; font-weight:800; color: var(--text-main); line-height:1.2; }
.hero-data-label { font-size:.8125rem; color:var(--text-secondary); }
.hero-capsules { display:flex; gap:10px; margin-top:20px; flex-wrap:wrap; }
.capsule {
  padding:6px 18px; border-radius:999px;
  background:#fff; border:1px solid rgba(0,0,0,.08);
  font-size:.875rem; color:var(--text-secondary);
  white-space:nowrap; transition: all .25s;
}
.capsule:hover { border-color: var(--brand-yellow); color:var(--brand-amber); background: rgba(245,166,35,.05); }
.hero-badge {
  display:inline-flex; align-items:center; gap:6px;
  background: rgba(245,166,35,.12); color: #B07A1D;
  padding:6px 16px; border-radius:999px;
  font-size:.8125rem; font-weight:600;
  margin-bottom:16px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight:800; line-height:1.3;
  letter-spacing:-0.03em; margin-bottom:16px;
}
.hero-title .highlight { color: var(--brand-amber); position:relative; }
.hero-title .highlight::after {
  content:''; position:absolute; bottom:6px; left:0; right:0;
  height:10px; background: rgba(245,166,35,.2); z-index:-1; border-radius:4px;
}
.hero-desc { font-size:1.0625rem; color: var(--text-secondary); line-height:1.85; margin-bottom:24px; max-width:540px; }
.hero-group-progress {
  background:#fff; border:1px solid rgba(0,0,0,.06);
  border-radius:12px; padding:14px 20px; margin-bottom:20px;
  display:flex; align-items:center; gap:16px; flex-wrap:wrap;
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
}
.hero-group-avatar { display:flex; }
.hero-group-avatar span {
  width:36px; height:36px; border-radius:50%;
  background: linear-gradient(135deg,#F5A623,#E8921B);
  color:#fff; font-size:.8125rem; display:flex; align-items:center; justify-content:center;
  border:2px solid #fff; margin-left:-8px;
}
.hero-group-avatar span:first-child { margin-left:0; }
.hero-group-text { flex:1; }
.hero-group-text .t1 { font-size:.875rem; font-weight:600; }
.hero-group-text .t2 { font-size:.8125rem; color:var(--text-secondary); }
.hero-cta-row { display:flex; gap:16px; flex-wrap:wrap; margin-top:8px; }

/* Brand Story */
.story-section { padding: 96px 0; background:#fff; }
.story-grid { display:grid; grid-template-columns: 1fr 1fr; gap:64px; align-items:center; }
.story-img-wrap { position:relative; border-radius:20px; overflow:hidden; box-shadow: var(--shadow-normal); }
.story-img-wrap img { height:360px; width:100%; object-fit:cover; }
.story-exp {
  position:absolute; bottom:16px; right:16px;
  background: var(--bg-dark); color:#fff; padding:14px 20px; border-radius:12px;
  display:flex; align-items:center; gap:12px;
}
.story-exp .num { font-size:1.75rem; font-weight:800; color: var(--brand-yellow); }
.story-exp .lbl { font-size:.8125rem; color: rgba(255,255,255,.75); }
.story-list { list-style:none; margin-top:24px; }
.story-list li { display:flex; gap:12px; padding:12px 0; border-bottom:1px solid rgba(0,0,0,.05); align-items:flex-start; }
.story-list i { color: var(--brand-amber); margin-top:5px; font-size:1rem; }
.story-list .txt { font-size:.9375rem; color: var(--text-secondary); line-height:1.7; }
.story-list .txt strong { display:block; color: var(--text-main); font-size:.9375rem; margin-bottom:2px; }

/* Feature Cards */
.feature-section { padding: 96px 0; background: var(--bg-warm); }
.feature-grid-row { display:grid; grid-template-columns: 1.5fr 1fr; gap:24px; margin-bottom:24px; }
.feature-grid-row2 { display:grid; grid-template-columns: repeat(3, 1fr); gap:24px; }
.feature-card { padding:32px; position:relative; overflow:hidden; display:flex; flex-direction:column; }
.feature-card.wide { min-height:280px; justify-content:flex-end; }
.feature-card.wide::before {
  content:''; position:absolute; top:0; right:0; width:180px; height:180px;
  background: radial-gradient(circle, rgba(245,166,35,.25), transparent 70%);
  border-radius:50%; transform: translate(30%,-30%);
}
.feature-card .f-icon {
  width:48px; height:48px; border-radius:12px;
  background: linear-gradient(135deg, rgba(245,166,35,.15), rgba(232,146,27,.25));
  display:flex; align-items:center; justify-content:center;
  font-size:1.25rem; color: var(--brand-amber); margin-bottom:16px;
}
.feature-card .f-title { font-size:1.25rem; font-weight:700; margin-bottom:8px; }
.feature-card .f-desc { font-size:.9375rem; color: var(--text-secondary); line-height:1.75; margin-bottom:16px; }
.feature-card .f-link {
  margin-top:auto; display:inline-flex; align-items:center; gap:6px;
  font-size:.875rem; font-weight:600; color: var(--brand-amber); padding-top:8px;
}
.feature-card .f-link:hover { gap:10px; }
.feature-card.dark { background: var(--bg-dark); color:#fff; border:none; }
.feature-card.dark:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(31,27,22,.25); }
.feature-card.dark .f-desc { color: rgba(255,255,255,.65); }
.feature-card.dark .f-icon { background: rgba(245,166,35,.15); color: var(--brand-yellow); }
.feature-card.dark .f-link { color: var(--brand-yellow); }
.feature-card .f-tag {
  position:absolute; top:16px; right:16px;
  font-size:.75rem; padding:4px 12px; border-radius:999px;
  background: rgba(245,166,35,.1); color: #B07A1D; font-weight:600;
}
.feature-card.dark .f-tag { background: rgba(245,166,35,.15); color: var(--brand-yellow); }

/* Scenes */
.scene-section { padding: 96px 0; background: #fff; }
.scene-list { display:flex; flex-direction:column; gap:0; }
.scene-item {
  display:grid; grid-template-columns: 100px 1fr 1.2fr;
  gap:32px; padding:36px 24px; align-items:center;
  border-bottom:1px solid rgba(0,0,0,.05);
  transition: background .3s;
}
.scene-item:last-child { border-bottom:none; }
.scene-item:nth-child(odd) { background: #FFFDF9; }
.scene-item:nth-child(even) { background: rgba(245,166,35,.02); }
.scene-num { font-size:3rem; font-weight:800; color: rgba(245,166,35,.25); line-height:1; letter-spacing:-.04em; }
.scene-name { font-size:1.25rem; font-weight:700; margin-bottom:4px; }
.scene-desc { font-size:.9375rem; color: var(--text-secondary); line-height:1.7; }
.scene-img { border-radius:14px; overflow:hidden; box-shadow: var(--shadow-normal); }
.scene-img img { height:120px; width:100%; object-fit:cover; transform: scale(1); transition: transform .5s; }
.scene-item:hover .scene-img img { transform: scale(1.03); }

/* Testimonials */
.testi-section { padding: 96px 0; background: var(--bg-warm); }
.testi-stats { display:grid; grid-template-columns: repeat(4,1fr); gap:32px; margin-bottom:56px; }
.testi-stat { text-align:center; }
.testi-stat .num { font-size:2.5rem; font-weight:800; color: var(--text-main); line-height:1.1; }
.testi-stat .num small { font-size:1.125rem; color: var(--brand-amber); }
.testi-stat .lbl { font-size:.875rem; color: var(--text-secondary); margin-top:4px; }
.testi-masonry { display:flex; flex-wrap:wrap; gap:24px; }
.testi-item {
  background:#fff; border:1px solid var(--border-light);
  border-radius:16px; padding:28px; box-shadow: var(--shadow-normal);
  display:flex; flex-direction:column; gap:12px; width:calc(50% - 12px);
  transition: all .3s;
}
.testi-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.testi-item.mid { width:100%; }
.testi-quote { font-size:.9375rem; color: var(--text-secondary); line-height:1.75; }
.testi-quote i { color: var(--brand-yellow); opacity:.4; font-size:1.25rem; margin-right:4px; }
.testi-user { display:flex; align-items:center; gap:12px; }
.testi-user img { width:44px; height:44px; border-radius:50%; object-fit:cover; border:2px solid rgba(245,166,35,.25); }
.testi-user .uname { font-size:.9375rem; font-weight:600; }
.testi-user .utag { font-size:.8125rem; color: var(--text-secondary); }
.testi-star { color: var(--brand-yellow); font-size:.8125rem; }

/* News */
.news-section { padding: 96px 0; background:#fff; }
.news-layout { display:grid; grid-template-columns: 1.6fr 1fr; gap:56px; }
.news-list { display:flex; flex-direction:column; }
.news-item {
  display:flex; gap:20px; padding:22px 0;
  border-bottom:1px solid rgba(0,0,0,.05); align-items:flex-start;
  transition: all .3s;
}
.news-item:last-child { border-bottom:none; }
.news-item:hover { padding-left:8px; background: rgba(245,166,35,.02); border-radius:10px; }
.news-date { flex-shrink:0; text-align:center; width:56px; }
.news-date .d { font-size:1.4rem; font-weight:800; color: var(--text-main); line-height:1.2; }
.news-date .m { font-size:.75rem; color: var(--text-secondary); text-transform:uppercase; }
.news-content { flex:1; }
.news-content h3 { font-size:1.0625rem; font-weight:600; line-height:1.5; margin-bottom:4px; }
.news-content h3 a:hover { color: var(--brand-amber); }
.news-content p { font-size:.875rem; color: var(--text-secondary); line-height:1.6; }
.news-meta { display:flex; gap:16px; margin-top:8px; font-size:.8125rem; color: var(--text-secondary); }
.news-meta i { margin-right:4px; }
.news-tag {
  display:inline-block; padding:2px 10px; border-radius:6px;
  font-size:.75rem; background: rgba(245,166,35,.1); color: #B07A1D; margin-right:6px;
}
.sidebar-recommend { background: var(--bg-warm); border-radius:16px; padding:28px; border:1px solid var(--border-light); position:sticky; top:100px; }
.sidebar-recommend h3 { font-size:1.125rem; font-weight:700; margin-bottom:20px; display:flex; align-items:center; gap:8px; }
.sidebar-recommend h3::before { content:''; width:4px; height:20px; background: var(--brand-yellow); border-radius:2px; }
.side-rec-item { display:flex; gap:12px; padding:12px 0; border-bottom:1px solid rgba(0,0,0,.04); align-items:center; }
.side-rec-item:last-child { border-bottom:none; }
.side-rec-num { width:28px; height:28px; border-radius:8px; background: rgba(0,0,0,.04); font-size:.8125rem; font-weight:700; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.side-rec-item:nth-child(1) .side-rec-num,
.side-rec-item:nth-child(2) .side-rec-num,
.side-rec-item:nth-child(3) .side-rec-num { background: var(--brand-yellow); color:var(--text-main); }
.side-rec-title { font-size:.875rem; font-weight:500; line-height:1.4; flex:1; }
.side-rec-title a:hover { color: var(--brand-amber); }
.side-rec-hot { font-size:.75rem; color: var(--text-secondary); }

/* Pricing */
.pricing-section { padding: 96px 0; background: var(--bg-warm); }
.pricing-grid { display:grid; grid-template-columns: repeat(3,1fr); gap:32px; align-items:stretch; }
.pricing-card {
  background:#fff; border:1px solid var(--border-light);
  border-radius:20px; padding:36px 28px;
  box-shadow: var(--shadow-normal);
  display:flex; flex-direction:column; transition: all .3s ease;
}
.pricing-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.pricing-card.featured {
  background: var(--bg-dark); color:#fff; border-color: var(--bg-dark);
  transform: translateY(-8px); position:relative; box-shadow: 0 16px 40px rgba(31,27,22,.25);
}
.pricing-card.featured:hover { transform: translateY(-12px); }
.pricing-card.featured::before {
  content:'推荐'; position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  background: var(--accent-red); color:#fff; padding:4px 18px;
  border-radius:999px; font-size:.75rem; font-weight:700;
  letter-spacing:.1em;
}
.pricing-name { font-size:1.125rem; font-weight:600; margin-bottom:8px; }
.pricing-card.featured .pricing-name { color: var(--brand-yellow); }
.pricing-price { font-size:2.5rem; font-weight:800; line-height:1.2; margin-bottom:20px; }
.pricing-price small { font-size:.9375rem; font-weight:400; color: var(--text-secondary); }
.pricing-card.featured .pricing-price small { color: rgba(255,255,255,.5); }
.pricing-list { list-style:none; margin-bottom:28px; flex:1; }
.pricing-list li { padding:8px 0; font-size:.875rem; color: var(--text-secondary); display:flex; gap:10px; align-items:flex-start; }
.pricing-card.featured .pricing-list li { color: rgba(255,255,255,.65); }
.pricing-list i { color: var(--brand-amber); margin-top:4px; }
.pricing-card.featured .pricing-list i { color: var(--brand-yellow); }
.pricing-cta { display:block; text-align:center; }

/* FAQ */
.faq-section { padding: 96px 0; background:#fff; }
.faq-list { max-width:860px; margin:0 auto; }
.faq-item {
  border-bottom:1px solid rgba(0,0,0,.08);
  background:transparent; transition: background .3s, border-radius .3s;
}
.faq-item.open { background: rgba(245,166,35,.08); border-radius:0; }
.faq-question {
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 20px; cursor:pointer; font-size:1.0625rem; font-weight:600; color: var(--text-main);
  transition: color .3s; border:none; background:none; width:100%; text-align:left; gap:16px;
}
.faq-question:hover { color: var(--brand-amber); }
.faq-question:focus-visible { outline:2px solid var(--brand-yellow); outline-offset:2px; border-radius:6px; }
.faq-icon { flex-shrink:0; width:24px; height:24px; position:relative; }
.faq-icon::before,
.faq-icon::after {
  content:''; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  background: var(--text-secondary); transition: all .3s;
  border-radius:1px;
}
.faq-icon::before { width:14px; height:2px; }
.faq-icon::after { width:2px; height:14px; }
.faq-item.open .faq-icon::after { transform: translate(-50%,-50%) rotate(90deg); opacity:0; }
.faq-item.open .faq-icon::before { background: var(--brand-amber); }
.faq-answer {
  max-height:0; overflow:hidden; transition: max-height .4s ease;
  padding:0 20px;
}
.faq-item.open .faq-answer { max-height:500px; padding:0 20px 22px; }
.faq-answer p { font-size:.9375rem; color: var(--text-secondary); line-height:1.75; }

/* Final CTA */
.final-cta {
  padding: 80px 0; position:relative; overflow:hidden;
  background: linear-gradient(135deg, #F5A623, #E8921B 55%, #D97706);
}
.final-cta::before {
  content:''; position:absolute; top:-40%; right:-10%; width:500px; height:500px;
  border-radius:50%; background: rgba(255,255,255,.08); pointer-events:none;
}
.final-cta .container-site { position:relative; z-index:2; text-align:center; }
.final-cta h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight:800; color: var(--text-main); line-height:1.3; margin-bottom:12px; }
.final-cta p { color: rgba(31,27,22,.7); font-size:1.0625rem; margin-bottom:28px; max-width:560px; margin-left:auto; margin-right:auto; }
.final-cta .btn-border-dark {
  display:inline-flex; align-items:center; gap:8px;
  border:1.5px solid rgba(31,27,22,.4); color: var(--text-main);
  font-weight:600; font-size:1rem; padding:12px 28px; border-radius:10px;
  transition: all .3s; background:transparent;
}
.final-cta .btn-border-dark:hover { background: rgba(31,27,22,.08); transform: translateY(-2px); }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.7); padding: 64px 0 24px; }
.footer-grid { display:grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer-brand .logo-text { color:#fff; margin-bottom:12px; font-size:1.375rem; }
.footer-brand .logo-text span { color: var(--brand-yellow); }
.footer-brand p { font-size:.875rem; color: rgba(255,255,255,.5); line-height:1.7; max-width:280px; }
.footer-col h4 { color:#fff; font-size:.9375rem; font-weight:600; margin-bottom:16px; }
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom:10px; }
.footer-col a { font-size:.875rem; color: rgba(255,255,255,.5); transition: color .25s; }
.footer-col a:hover { color: var(--brand-yellow); }
.footer-social { display:flex; gap:10px; margin-top:16px; }
.footer-social a {
  width:36px; height:36px; border-radius:50%;
  border:1px solid rgba(255,255,255,.2); display:flex; align-items:center; justify-content:center;
  color: rgba(255,255,255,.6); font-size:.875rem; transition: all .3s;
}
.footer-social a:hover { border-color: var(--brand-yellow); background: var(--brand-yellow); color: var(--text-main); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px; text-align:center;
  font-size:.8125rem; color: rgba(255,255,255,.35);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap:40px; }
  .hero-img-wrap img { height:340px; }
  .story-grid { grid-template-columns: 1fr; gap:40px; }
  .feature-grid-row { grid-template-columns: 1fr; }
  .feature-grid-row2 { grid-template-columns: repeat(2,1fr); }
  .scene-item { grid-template-columns: 80px 1fr; gap:20px; }
  .scene-img { grid-column: 2; }
  .news-layout { grid-template-columns: 1fr; gap:40px; }
  .pricing-grid { grid-template-columns: 1fr; max-width:480px; margin:0 auto; }
  .pricing-card.featured { transform:none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap:32px; }
}
@media (max-width: 768px) {
  .section-padding { padding: 64px 0; }
  .nav-links { display:none; }
  .nav-search { display:none; }
  .hamburger { display:block; }
  .hero-section { padding: 56px 0 56px; }
  .hero-title { font-size: 2rem; }
  .hero-img-wrap img { height:260px; }
  .hero-data-num { font-size:1.25rem; }
  .feature-grid-row2 { grid-template-columns: 1fr; }
  .feature-card.wide { min-height:220px; }
  .scene-item { grid-template-columns: 1fr; gap:12px; padding:24px 16px; }
  .scene-num { font-size:2rem; }
  .scene-img { grid-column: 1; }
  .scene-img img { height:80px; }
  .testi-stats { grid-template-columns: repeat(2,1fr); gap:24px; }
  .testi-item { width:100%; }
  .news-item { flex-direction:column; gap:10px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap:24px; }
  .hero-cta-row { flex-direction:column; }
  .hero-cta-row .btn-primary, .hero-cta-row .btn-outline { width:100%; }
}
@media (max-width: 520px) {
  .container-site { padding:0 16px; }
  .logo-text { font-size:1.0625rem; }
  .nav-start { padding:8px 14px; font-size:.8125rem; }
  .hero-group-progress { flex-direction:column; align-items:flex-start; }
  .testi-stats { grid-template-columns: 1fr 1fr; }
  .testi-stat .num { font-size:1.75rem; }
}

/* roulang page: category1 */
:root {
    --brand-yellow: #F5A623;
    --brand-amber: #E8921B;
    --accent-red: #E34D2F;
    --bg-warm: #FFF9F0;
    --bg-dark: #1F1B16;
    --text-main: #1F1B16;
    --text-secondary: #6B6257;
    --border-light: rgba(0,0,0,0.06);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-btn: 10px;
    --shadow-normal: 0 2px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.08), 0 12px 32px rgba(0,0,0,0.10);
    --gap: 24px;
}
html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg-warm);
    color: var(--text-main);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s; }
a:focus-visible { outline: 2px solid var(--brand-yellow); outline-offset: 3px; border-radius: 4px; }
a:hover { color: var(--brand-amber); }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }
.container-site { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 96px 0; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.35; letter-spacing: -0.02em; }
.section-sub { font-size: 1.0625rem; line-height: 1.8; color: var(--text-secondary); margin-top: 8px; }
.card-base {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-normal);
    transition: transform .3s ease, box-shadow .3s ease;
}
.card-base:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--brand-yellow); color: var(--text-main);
    font-weight: 600; font-size: 1rem; padding: 12px 28px;
    border-radius: var(--radius-btn); border: 1px solid transparent;
    transition: all .3s ease; line-height: 1.5; white-space: nowrap;
}
.btn-primary:hover { background: var(--brand-amber); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,166,35,.35); }
.btn-primary:active { transform: scale(.98); }
.btn-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; color: var(--text-main);
    font-weight: 600; font-size: 1rem; padding: 12px 28px;
    border-radius: var(--radius-btn); border: 1.5px solid rgba(31,27,22,.25);
    transition: all .3s ease; line-height: 1.5; white-space: nowrap;
}
.btn-outline:hover { border-color: var(--brand-yellow); background: rgba(245,166,35,.08); color: var(--text-main); transform: translateY(-2px); }
.btn-outline:active { transform: scale(.98); }
.badge {
    display: inline-block; padding: 4px 14px; border-radius: 999px;
    font-size: .8125rem; font-weight: 500; line-height: 1.4;
}
.text-ellipsis-2 {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ===== Header ===== */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,249,240,.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
    width: 38px; height: 38px; border-radius: 10px;
    background: linear-gradient(135deg, #F5A623, #E8921B);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800; color: #fff;
    box-shadow: 0 4px 12px rgba(245,166,35,.35);
}
.logo-text { font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.3; }
.logo-text span { color: var(--brand-amber); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    padding: 8px 16px; border-radius: 8px; font-size: .9375rem; font-weight: 500;
    color: var(--text-secondary); transition: all .25s; position: relative;
}
.nav-links a:hover { color: var(--brand-amber); background: rgba(245,166,35,.08); }
.nav-links a.active { color: var(--text-main); font-weight: 600; }
.nav-links a.active::after {
    content: ''; position: absolute; bottom: -2px; left: 16px; right: 16px;
    height: 2px; border-radius: 2px; background: var(--brand-yellow);
}
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-search {
    display: flex; align-items: center; background: #fff;
    border: 1px solid rgba(0,0,0,.1); border-radius: 8px; padding: 0 12px;
    height: 38px; transition: all .25s;
}
.nav-search:focus-within { border-color: var(--brand-yellow); box-shadow: 0 0 0 3px rgba(245,166,35,.2); }
.nav-search input {
    border: none; outline: none; background: transparent;
    font-size: .875rem; width: 130px; color: var(--text-main);
}
.nav-search i { color: var(--text-secondary); font-size: .8125rem; }
.nav-start {
    background: var(--brand-yellow); color: var(--text-main);
    font-size: .875rem; font-weight: 600; padding: 8px 18px;
    border-radius: 8px; border: none; transition: all .3s;
}
.nav-start:hover { background: var(--brand-amber); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(245,166,35,.3); }
.nav-start:active { transform: scale(.97); }
.hamburger { display: none; background: none; border: none; font-size: 1.4rem; color: var(--text-main); padding: 6px; }
.mobile-menu {
    display: none; background: var(--bg-warm);
    border-bottom: 1px solid rgba(0,0,0,.06);
    padding: 16px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
    display: block; padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,.04);
    font-size: 1rem; font-weight: 500; color: var(--text-main);
}
.mobile-menu a.active { color: var(--brand-amber); font-weight: 700; }
.mobile-menu .m-search { display: flex; margin-bottom: 10px; }
.mobile-menu .m-search input {
    flex: 1; border: 1px solid rgba(0,0,0,.1); border-radius: 8px 0 0 8px;
    padding: 8px 14px; font-size: .875rem; outline: none;
}
.mobile-menu .m-search button {
    background: var(--brand-yellow); border: none; border-radius: 0 8px 8px 0;
    padding: 0 16px; color: var(--text-main); font-size: .875rem; font-weight: 600;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
    padding: 28px 0 0;
    font-size: .875rem;
    color: var(--text-secondary);
}
.breadcrumb-bar a { color: var(--text-secondary); }
.breadcrumb-bar a:hover { color: var(--brand-amber); }
.breadcrumb-bar .sep { margin: 0 8px; color: rgba(31,27,22,.35); }

/* ===== Category Hero ===== */
.cat-hero {
    position: relative;
    padding: 40px 0 48px;
}
.cat-hero .hero-flag {
    display: inline-block; padding: 6px 16px; border-radius: 999px;
    background: rgba(245,166,35,.12); color: var(--brand-amber);
    font-size: .8125rem; font-weight: 600; margin-bottom: 16px;
}
.cat-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -.02em;
}
.cat-hero h1 em {
    font-style: normal;
    color: var(--brand-amber);
}
.cat-hero .hero-desc {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 780px;
    margin-top: 12px;
}

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin: 24px 0 32px;
}
.chips-group { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
    display: inline-block;
    padding: 7px 20px;
    border-radius: 999px;
    font-size: .875rem;
    font-weight: 500;
    background: rgba(31,27,22,.06);
    color: var(--text-secondary);
    border: 1.5px solid transparent;
    transition: all .25s;
    cursor: pointer;
    line-height: 1.4;
}
.chip:hover { border-color: var(--brand-yellow); background: rgba(245,166,35,.08); color: var(--text-main); }
.chip.active { background: var(--brand-yellow); color: var(--text-main); font-weight: 600; border-color: var(--brand-yellow); }
.select-sort {
    background: #fff;
    border: 1px solid rgba(0,0,0,.1);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: .875rem;
    color: var(--text-main);
    outline: none;
    transition: all .25s;
}
.select-sort:focus { border-color: var(--brand-yellow); box-shadow: 0 0 0 3px rgba(245,166,35,.2); }

/* ===== Content Grid ===== */
.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
    padding-bottom: 64px;
}

/* ===== Video List ===== */
.video-list { display: flex; flex-direction: column; }
.video-list-item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(0,0,0,.06);
    transition: all .3s;
}
.video-list-item:first-child { padding-top: 12px; }
.video-list-item:last-child { border-bottom: none; }
.video-list-item:hover { transform: translateX(4px); }
.video-thumb {
    width: 120px;
    height: 90px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, rgba(245,166,35,.15), rgba(232,146,27,.1));
    flex-shrink: 0;
}
.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s;
}
.video-list-item:hover .video-thumb img { transform: scale(1.05); }
.video-thumb .duration {
    position: absolute;
    right: 6px;
    bottom: 6px;
    background: rgba(31,27,22,.75);
    color: #fff;
    font-size: .6875rem;
    padding: 1px 6px;
    border-radius: 4px;
}
.video-info { min-width: 0; }
.video-info h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.video-info h3 a { transition: color .25s; }
.video-info h3 a:hover { color: var(--brand-amber); }
.video-info .video-desc {
    font-size: .875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
    max-width: 95%;
}
.video-meta {
    display: flex;
    align-items: center;
    font-size: .8125rem;
    color: var(--text-secondary);
}
.video-meta .tag-s {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    background: rgba(245,166,35,.1);
    color: var(--brand-amber);
    font-size: .75rem;
    font-weight: 500;
    margin-right: 6px;
}
.video-meta .meta-divider { margin: 0 10px; color: rgba(0,0,0,.12); }
.video-meta .score {
    color: var(--accent-red);
    font-weight: 700;
    font-size: .875rem;
}
.video-meta .views i { font-size: .75rem; }
.video-action { margin-left: auto; display: flex; align-items: center; }
.btn-view {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 8px;
    font-size: .8125rem;
    font-weight: 600;
    background: rgba(245,166,35,.1);
    color: var(--text-main);
    transition: all .25s;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-view:hover {
    background: var(--brand-yellow);
    border-color: var(--brand-yellow);
    color: var(--text-main);
    transform: translateY(-2px);
}

/* ===== Sidebar ===== */
.side-hot {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-normal);
    padding: 28px 24px;
    position: sticky;
    top: 96px;
}
.side-hot-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.side-hot-title i { color: var(--brand-yellow); }
.hot-list { list-style: none; }
.hot-list li {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,.04);
    gap: 12px;
}
.hot-list li:last-child { border-bottom: none; }
.hot-rank {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8125rem;
    font-weight: 700;
    background: rgba(31,27,22,.05);
    color: var(--text-secondary);
    flex-shrink: 0;
}
.hot-list li:nth-child(1) .hot-rank,
.hot-list li:nth-child(2) .hot-rank,
.hot-list li:nth-child(3) .hot-rank {
    background: var(--brand-yellow);
    color: var(--text-main);
}
.hot-item-content {
    min-width: 0;
    flex: 1;
}
.hot-item-name {
    font-size: .875rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hot-item-val {
    font-size: .75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}
.hot-item-val i { margin-right: 4px; color: var(--brand-yellow); font-size: .6875rem; }

/* ===== Pagination ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 40px 0 24px;
    flex-wrap: wrap;
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 500;
    background: #fff;
    border: 1px solid rgba(0,0,0,.08);
    transition: all .25s;
    color: var(--text-secondary);
}
.pagination a:hover {
    border-color: var(--brand-yellow);
    background: rgba(245,166,35,.08);
    color: var(--text-main);
}
.pagination a:focus-visible { outline: 2px solid var(--brand-yellow); outline-offset: 2px; }
.pagination .current {
    background: var(--brand-yellow);
    color: var(--text-main);
    font-weight: 700;
    border-color: var(--brand-yellow);
}
.pagination .arrow { font-size: .8125rem; }
.pagination .disabled { opacity: .4; cursor: not-allowed; }

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(30deg, #F7B733, #E8921B);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.25), transparent 50%);
    pointer-events: none;
}
.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -.02em;
    color: var(--text-main);
}
.cta-inner p {
    font-size: 1.0625rem;
    color: rgba(31,27,22,.7);
    margin-top: 12px;
    line-height: 1.8;
}
.cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 28px;
}
.cta-btns .btn-primary {
    background: var(--text-main);
    color: var(--bg-warm);
}
.cta-btns .btn-primary:hover {
    background: #000;
    color: #fff;
    box-shadow: 0 8px 24px rgba(31,27,22,.3);
}
.cta-btns .btn-outline {
    border-color: rgba(31,27,22,.4);
    color: var(--text-main);
}
.cta-btns .btn-outline:hover {
    background: rgba(255,255,255,.3);
    border-color: var(--text-main);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: var(--bg-warm);
    padding: 72px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
}
.footer-brand .logo-text {
    font-size: 1.375rem;
    color: var(--bg-warm);
}
.footer-brand .logo-text span { color: var(--brand-yellow); }
.footer-brand p {
    font-size: .875rem;
    color: rgba(255,249,240,.6);
    line-height: 1.8;
    margin: 16px 0 20px;
    max-width: 300px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,249,240,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,249,240,.7);
    font-size: .875rem;
    transition: all .3s;
}
.footer-social a:hover {
    background: var(--brand-yellow);
    border-color: var(--brand-yellow);
    color: var(--text-main);
    transform: translateY(-2px);
}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--bg-warm);
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
    font-size: .875rem;
    color: rgba(255,249,240,.6);
    transition: all .25s;
}
.footer-col ul a:hover { color: var(--brand-yellow); padding-left: 4px; }
.footer-bottom {
    border-top: 1px solid rgba(255,249,240,.08);
    padding: 24px 0;
    font-size: .8125rem;
    color: rgba(255,249,240,.45);
    text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
    .nav-links { display: none; }
    .nav-search { display: none; }
    .nav-start { display: none; }
    .hamburger { display: block; }
    .content-grid { grid-template-columns: 1fr; }
    .side-hot { position: static; margin-top: 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 767px) {
    .section-padding { padding: 56px 0; }
    .container-site { padding: 0 16px; }
    .breadcrumb-bar { padding-top: 20px; }
    .cat-hero { padding: 28px 0 32px; }
    .cat-hero h1 { font-size: clamp(1.6rem, 5vw, 2.2rem); }
    .video-list-item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px 0;
    }
    .video-thumb { width: 100%; height: 160px; }
    .video-action { margin-left: 0; margin-top: 8px; }
    .btn-view { width: 100%; justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-section { padding: 60px 0; }
    .cta-btns { flex-direction: column; align-items: center; }
    .cta-btns .btn-primary, .cta-btns .btn-outline { width: 100%; max-width: 280px; }
}
@media (max-width: 520px) {
    .filter-bar { align-items: flex-start; }
    .select-sort { width: 100%; }
    .pagination { gap: 4px; }
    .pagination a, .pagination span { min-width: 36px; height: 36px; padding: 0 8px; font-size: .8125rem; }
}