/* roulang page: index */
:root {
  --brand: #F97316;
  --brand-hover: #FB923C;
  --brand-weak: rgba(249,115,22,0.12);
  --accent: #8B5CF6;
  --accent-weak: rgba(139,92,246,0.15);
  --success: #4ADE80;
  --bg: #0B0B10;
  --surface: #14141C;
  --raised: #1B1B24;
  --border: rgba(255,255,255,0.07);
  --text-primary: #F0EFED;
  --text-secondary: #A6A3AD;
  --text-muted: #6F6D78;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section-pad { padding: 72px 0; }
@media (min-width: 768px) { .section-pad { padding: 96px 0; } }

/* 导航 */
.site-header {
  position: absolute; inset: 0 0 auto 0; z-index: 50;
  background: rgba(11,11,16,0.55);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s, box-shadow 0.3s;
}
.site-header.is-scrolled {
  position: fixed;
  background: rgba(11,11,16,0.95);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 4px; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; }
.logo .beat { color: #fff; }
.logo .num { color: var(--brand); }
.logo-dot {
  width: 4px; height: 4px; border-radius: 50%; background: var(--brand); margin-left: 3px;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.3); } }
.logo-badge {
  margin-left: 10px;
  font-size: 0.65rem; font-weight: 500;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0 6px; line-height: 1.5;
  letter-spacing: 0.04em;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; letter-spacing: 0.03em;
  color: rgba(255,255,255,0.7); position: relative;
  padding: 6px 0; transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--brand); border-radius: 2px;
}
.header-cta { display: none; }
@media (min-width: 1024px) { .header-cta { display: inline-flex; } }
.menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.12); background: transparent; color: #fff; }
@media (min-width: 768px) { .menu-btn { display: none; } }

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(11,11,16,0.97);
  backdrop-filter: blur(10px);
  display: flex; flex-direction: column;
  padding: 24px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.25s, visibility 0.25s;
}
.mobile-drawer.open { opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-close { align-self: flex-end; width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.12); background: transparent; color: #fff; font-size: 1.25rem; }
.drawer-links { margin-top: 40px; display: flex; flex-direction: column; gap: 8px; }
.drawer-links a {
  font-size: 1.35rem; font-weight: 600; color: rgba(255,255,255,0.85);
  padding: 16px 8px; border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color 0.2s, padding-left 0.2s;
}
.drawer-links a:hover { color: var(--brand); padding-left: 16px; }
.drawer-links a.active { color: var(--brand); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; border-radius: 8px;
  transition: all 0.2s ease;
  min-height: 44px;
  outline: none;
}
.btn:focus-visible { box-shadow: 0 0 0 4px rgba(249,115,22,0.3); }
.btn-primary {
  background: var(--brand); color: #0B0B10;
  padding: 12px 28px; font-size: 0.95rem;
}
.btn-primary:hover { background: var(--brand-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(249,115,22,0.3); }
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-secondary {
  border: 1px solid rgba(255,255,255,0.16); color: rgba(255,255,255,0.9);
  padding: 12px 28px; font-size: 0.95rem;
}
.btn-secondary:hover { background: rgba(255,255,255,0.05); }
.btn-secondary:active { transform: scale(0.98); }
.btn-lg { padding: 16px 44px; font-size: 1.05rem; }

/* Hero */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: center;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover; background-position: center;
  overflow: hidden;
}
.hero-section::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(to right, rgba(11,11,16,0.96) 0%, rgba(11,11,16,0.75) 50%, rgba(11,11,16,0.4) 100%),
    linear-gradient(to bottom, rgba(11,11,16,0.2) 0%, rgba(11,11,16,0.8) 100%);
}
.hero-section::after {
  content: ''; position: absolute; left: -120px; top: 10%;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 720px; padding-top: 120px; padding-bottom: 80px; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px; padding: 6px 14px;
  font-size: 0.8rem; font-weight: 500; color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em; margin-bottom: 24px;
}
.hero-pill svg { width: 14px; height: 14px; color: var(--accent); }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800; line-height: 1.22; letter-spacing: -0.02em;
  color: #F0EFED; margin-bottom: 20px;
}
.hero-title .hl { color: var(--brand); }
.hero-sub {
  font-size: 1.05rem; line-height: 1.75; color: rgba(255,255,255,0.75);
  max-width: 600px; margin-bottom: 36px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }
.eq {
  position: absolute; bottom: 40px; left: 0; right: 0; z-index: 2;
  display: flex; align-items: flex-end; justify-content: center; gap: 4px;
  height: 40px;
}
.eq-bar {
  width: 4px; border-radius: 2px;
  background: linear-gradient(to top, var(--brand) 0%, rgba(249,115,22,0.3) 100%);
  animation: eqPulse 1.6s ease-in-out infinite;
  transform-origin: bottom;
}
@keyframes eqPulse { 0%,100% { transform: scaleY(0.25); } 50% { transform: scaleY(1); } }

/* 痛点标签条 */
.pain-tags { display: flex; flex-wrap: wrap; gap: 16px; padding: 16px 0 8px; }
.pain-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.9rem; color: var(--text-secondary);
  padding: 6px 0; transition: color 0.2s;
}
.pain-tag:hover { color: var(--brand); }
.pain-tag svg { width: 16px; height: 16px; opacity: 0.7; }

/* 方案卡 */
.card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
}
.card:hover {
  border-color: rgba(249,115,22,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.card::after {
  content: '→'; position: absolute; top: 24px; right: 24px;
  font-size: 1.1rem; color: var(--brand);
  opacity: 0; transform: translateX(-6px); transition: all 0.25s;
}
.card:hover::after { opacity: 1; transform: translateX(0); }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg { width: 22px; height: 22px; }
.card-icon.orange { background: rgba(249,115,22,0.12); color: var(--brand); }
.card-icon.violet { background: rgba(139,92,246,0.15); color: var(--accent); }
.card-icon.green { background: rgba(74,222,128,0.12); color: var(--success); }
.card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; line-height: 1.35; }
.card-desc { font-size: 0.9rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 20px; }
.card-link { font-size: 0.875rem; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 4px; }
.card-link:hover { text-decoration: underline; color: var(--brand-hover); }

/* 数据区 */
.stats-section {
  background: var(--surface);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
}
.stat-item { text-align: center; position: relative; z-index: 1; }
.stat-num {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800; color: var(--brand);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.stat-label { font-size: 0.875rem; color: var(--text-secondary); margin-top: 8px; }
.stat-suffix { font-size: 0.6em; font-weight: 700; }

/* FAQ */
.faq-list { max-width: 800px; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.07); }
.faq-item:first-child { border-top: 1px solid rgba(255,255,255,0.07); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: transparent; border: none; text-align: left;
  padding: 20px 4px; font-size: 1rem; font-weight: 600; color: var(--text-primary);
  transition: color 0.2s;
}
.faq-q:hover { color: var(--brand); }
.faq-q .faq-icon {
  width: 22px; height: 22px; flex-shrink: 0; position: relative; margin-left: 16px;
}
.faq-q .faq-icon::before,
.faq-q .faq-icon::after {
  content: ''; position: absolute; background: var(--brand);
  transition: transform 0.2s, opacity 0.2s;
}
.faq-q .faq-icon::before { width: 14px; height: 2px; top: 10px; left: 4px; }
.faq-q .faq-icon::after { width: 2px; height: 14px; top: 4px; left: 10px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  padding-left: 4px; padding-right: 32px;
  font-size: 0.925rem; line-height: 1.8; color: var(--text-secondary);
}

/* 资讯列表 */
.news-card {
  display: flex; gap: 20px; align-items: center;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 20px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.news-card:hover {
  border-color: rgba(249,115,22,0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.news-thumb {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: 12px; overflow: hidden;
  background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(139,92,246,0.08));
  display: flex; align-items: center; justify-content: center;
}
@media (min-width: 768px) { .news-thumb { width: 96px; height: 96px; } }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb span { font-size: 1.4rem; font-weight: 800; color: rgba(249,115,22,0.5); }
.news-title {
  font-size: 1rem; font-weight: 700; line-height: 1.4;
  color: var(--text-primary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: color 0.2s;
}
@media (min-width: 768px) { .news-title { font-size: 1.1rem; } }
.news-card:hover .news-title { color: var(--brand); }
.news-summary {
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6;
  margin-top: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex; align-items: center; gap: 12px; margin-top: 10px;
  font-size: 0.75rem; color: var(--text-muted);
}
.news-meta .tag {
  display: inline-flex; align-items: center;
  background: rgba(249,115,22,0.1); color: var(--brand);
  border-radius: 4px; padding: 1px 8px; font-size: 0.7rem;
  font-weight: 600;
}

/* 空状态 */
.empty-state {
  border: 2px dashed rgba(255,255,255,0.1);
  border-radius: 16px; padding: 48px 24px;
  text-align: center;
}
.empty-state svg { width: 44px; height: 44px; color: rgba(255,255,255,0.3); margin: 0 auto; }
.empty-state p { color: var(--text-muted); margin-top: 16px; font-size: 0.925rem; }

/* 侧栏 */
.side-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 24px;
}
.side-title {
  font-size: 0.9rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--text-primary); margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.side-link {
  display: block; padding: 9px 0;
  font-size: 0.85rem; color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: color 0.2s, padding-left 0.2s;
}
.side-link:hover { color: var(--brand); padding-left: 4px; }
.side-tag {
  display: inline-block;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px; padding: 4px 10px;
  font-size: 0.75rem; color: var(--text-secondary);
  margin: 0 8px 8px 0;
  transition: all 0.2s;
}
.side-tag:hover { background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.3); color: var(--brand); }

/* CTA */
.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover; background-position: center;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(11,11,16,0.95) 0%, rgba(11,11,16,0.8) 100%);
}
.cta-inner { position: relative; z-index: 1; text-align: center; }
.cta-inner h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; line-height: 1.3; letter-spacing: -0.01em; }
.cta-inner p { color: rgba(255,255,255,0.7); margin-top: 16px; font-size: 1rem; }
.cta-inner .btn { margin-top: 32px; }
.privacy-note {
  margin-top: 20px; display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; color: var(--text-muted);
}
.privacy-note svg { width: 14px; height: 14px; flex-shrink: 0; }

/* 表单弹层 */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  width: 100%; max-width: 440px;
  padding: 32px;
  animation: modalIn 0.18s ease-out;
  position: relative;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted); font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { color: #fff; background: rgba(255,255,255,0.1); }
.form-label {
  display: block; font-size: 0.75rem; color: var(--text-muted);
  letter-spacing: 0.03em; margin-bottom: 6px;
}
.form-input {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.9rem; color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(249,115,22,0.12);
}
.form-input::placeholder { color: rgba(255,255,255,0.3); }

/* 页脚 */
.site-footer { background: #07070A; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 64px; padding-bottom: 32px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-logo { display: flex; align-items: center; gap: 4px; font-size: 1.4rem; font-weight: 800; }
.footer-logo .beat { color: #fff; }
.footer-logo .num { color: var(--brand); }
.footer-desc { font-size: 0.85rem; color: var(--text-muted); margin-top: 14px; line-height: 1.7; }
.footer-title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; letter-spacing: 0.05em; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.85rem; color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--brand); }
.footer-bottom {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex; flex-direction: column; gap: 8px;
  font-size: 0.75rem; color: var(--text-muted);
  text-align: center;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* 板块标题 */
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--brand);
  text-transform: uppercase;
}
.section-tag::before {
  content: ''; width: 16px; height: 2px; background: var(--brand); border-radius: 2px;
}
.section-title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; margin-top: 8px; }
.section-sub { font-size: 0.95rem; color: var(--text-secondary); margin-top: 12px; }

/* 分隔线 */
.hairline { height: 1px; background: rgba(255,255,255,0.05); border: none; }

/* 焦点可见 */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* roulang page: category1 */
:root {
            --brand: #F97316;
            --brand-hover: #FB923C;
            --brand-weak: rgba(249, 115, 22, 0.12);
            --accent: #8B5CF6;
            --accent-weak: rgba(139, 92, 246, 0.15);
            --success: #4ADE80;
            --bg: #0B0B10;
            --surface: #14141C;
            --raised: #1B1B24;
            --border: rgba(255, 255, 255, 0.07);
            --text-primary: #F0EFED;
            --text-secondary: #A6A3AD;
            --text-muted: #6F6D78;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: absolute;
            inset-x: 0;
            top: 0;
            z-index: 50;
            background: rgba(11, 11, 16, 0.55);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.3s ease, box-shadow 0.3s ease, position 0.3s ease;
        }
        .site-header.scrolled {
            position: fixed;
            background: rgba(11, 11, 16, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 2px;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            position: relative;
        }
        .logo .beat {
            color: #fff;
        }
        .logo .num {
            color: var(--brand);
        }
        .logo-dot {
            width: 6px;
            height: 6px;
            background: var(--brand);
            border-radius: 50%;
            margin-left: 2px;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        .logo-badge {
            margin-left: 8px;
            padding: 2px 8px;
            background: var(--brand-weak);
            color: var(--brand);
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 4px;
            border: 1px solid rgba(249, 115, 22, 0.3);
            letter-spacing: 0.04em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: 48px;
        }
        .nav-links a {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.02em;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
            border-bottom-color: var(--brand);
            font-weight: 600;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            border: none;
            transition: all 0.2s ease;
            line-height: 1;
        }
        .btn-primary {
            background: var(--brand);
            color: #0B0B10;
            padding: 12px 28px;
            font-size: 0.875rem;
        }
        .btn-primary:hover {
            background: var(--brand-hover);
            box-shadow: 0 4px 24px rgba(249, 115, 22, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0px) scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.3);
        }
        .header-cta {
            min-height: 44px;
        }
        .menu-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            color: #fff;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            z-index: 100;
            background: rgba(11, 11, 16, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s ease, visibility 0.25s ease;
        }
        .mobile-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-overlay-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }
        .mobile-overlay-close {
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 1.25rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-links a {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.8);
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-weight: 600;
        }
        .mobile-nav-links a.active {
            color: var(--brand);
        }
        .mobile-overlay .btn {
            margin-top: 32px;
            padding: 16px;
            font-size: 1rem;
            width: 100%;
        }
        .cat-hero {
            min-height: 30vh;
            background: linear-gradient(135deg, rgba(11, 11, 16, 0.92) 0%, rgba(11, 11, 16, 0.7) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding: 120px 0 60px;
            position: relative;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .cat-hero h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 12px;
        }
        .cat-hero .subtitle {
            font-size: 1.0625rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 64px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            background: var(--brand-weak);
            border: 1px solid rgba(249, 115, 22, 0.25);
            border-radius: 999px;
            color: var(--brand);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.75;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 64px;
            align-items: start;
        }
        .about-left {
            position: relative;
        }
        .about-left h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.875rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .about-left p {
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .about-lines {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .about-lines li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            font-size: 0.9375rem;
        }
        .about-lines li:last-child {
            border-bottom: none;
        }
        .about-lines li .icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 2px;
        }
        .about-lines li .icon i {
            color: var(--success);
            font-size: 0.875rem;
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 8px;
        }
        .step-item {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .step-item:hover {
            transform: translateY(-4px);
            border-color: rgba(249, 115, 22, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            width: 36px;
            height: 36px;
            background: var(--brand-weak);
            color: var(--brand);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 20px;
        }
        .step-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .step-item p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(249, 115, 22, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .feature-card .img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(139, 92, 246, 0.08));
        }
        .feature-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-card:hover .img-wrap img {
            transform: scale(1.04);
        }
        .feature-card .card-body {
            padding: 24px;
        }
        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .scenario-section {
            background: var(--surface);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .scenario-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .scenario-item {
            background: var(--bg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: border-color 0.25s ease, transform 0.25s ease;
        }
        .scenario-item:hover {
            border-color: rgba(249, 115, 22, 0.35);
            transform: translateY(-3px);
        }
        .scenario-item .icon {
            width: 40px;
            height: 40px;
            background: var(--accent-weak);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .scenario-item .icon i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .scenario-item h3 {
            font-size: 0.9375rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .scenario-item p {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .faq-wrap {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }
        .faq-item:first-child {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 0;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
            gap: 16px;
        }
        .faq-icon {
            font-size: 1.25rem;
            color: var(--brand);
            transition: transform 0.2s ease;
            flex-shrink: 0;
            width: 24px;
            text-align: center;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-a-inner {
            padding-bottom: 20px;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.75;
            max-width: 820px;
        }
        .cta-small {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-small h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cta-small p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
        }
        .site-footer {
            background: #07070A;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 64px;
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .footer-logo .beat {
            color: #fff;
        }
        .footer-logo .num {
            color: var(--brand);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--brand);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-muted);
            font-size: 0.8125rem;
        }
        .text-link {
            color: var(--brand);
            font-size: 0.875rem;
            font-weight: 600;
            transition: color 0.2s ease, text-decoration 0.2s ease;
        }
        .text-link:hover {
            color: var(--brand-hover);
            text-decoration: underline;
        }
        @media (max-width: 1024px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 48px 0;
            }
            .cat-hero {
                padding: 100px 0 48px;
            }
            .nav-links {
                display: none;
            }
            .menu-btn {
                display: inline-flex;
            }
            .header-cta {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .steps-list {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .scenario-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-small {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

/* roulang page: article */
:root {
            --brand: #F97316;
            --brand-hover: #FB923C;
            --brand-weak: rgba(249, 115, 22, 0.12);
            --accent: #8B5CF6;
            --accent-weak: rgba(139, 92, 246, 0.15);
            --success: #4ADE80;
            --bg: #0B0B10;
            --surface: #14141C;
            --raised: #1B1B24;
            --border: rgba(255, 255, 255, 0.07);
            --text-primary: #F0EFED;
            --text-secondary: #A6A3AD;
            --text-muted: #6F6D78;
            --radius: 16px;
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font: inherit;
            border: none;
            background: none;
            cursor: pointer;
            color: inherit;
        }
        input,
        textarea {
            font: inherit;
            outline: none;
            border: none;
            background: none;
            color: var(--text-primary);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            min-height: 44px;
            padding: 0 1.75rem;
            transition: all 0.25s ease;
            gap: 0.5rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--brand);
            color: #0B0B10;
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.18);
        }
        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(249, 115, 22, 0.28);
        }
        .btn-primary:active {
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.3);
        }
        .btn-ghost {
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.9);
            background: transparent;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }
        .btn-ghost:active {
            transform: scale(0.98);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: absolute;
            inset: 0 0 auto 0;
            z-index: 50;
            background: rgba(11, 11, 16, 0.55);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s ease;
        }
        .site-header.scrolled {
            position: fixed;
            background: rgba(11, 11, 16, 0.95);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 2px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .logo .beat {
            color: var(--text-primary);
        }
        .logo .num {
            color: var(--brand);
        }
        .logo-dot {
            width: 4px;
            height: 4px;
            background: var(--brand);
            border-radius: 50%;
            margin-left: 4px;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }
        .logo-badge {
            background: var(--brand-weak);
            border: 1px solid rgba(249, 115, 22, 0.3);
            color: var(--brand);
            font-size: 0.68rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 10px;
            letter-spacing: 0.05em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2.25rem;
        }
        .nav-links a {
            position: relative;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.02em;
            transition: color 0.2s;
            padding: 8px 2px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }
        .menu-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            color: rgba(255, 255, 255, 0.8);
            transition: background 0.2s;
        }
        .menu-btn:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }

        /* ===== 移动端抽屉 ===== */
        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 100;
            background: rgba(11, 11, 16, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            display: flex;
            flex-direction: column;
            padding: 2rem 1.5rem;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 3rem;
        }
        .mobile-menu-links {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-menu-links a {
            font-size: 1.4rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.85);
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color 0.2s;
        }
        .mobile-menu-links a:hover {
            color: var(--brand);
        }
        .mobile-menu-links a.active {
            color: var(--brand);
        }
        .mobile-menu-cta {
            margin-top: auto;
            padding-top: 2rem;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-secondary);
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章头部 ===== */
        .article-hero {
            padding: 160px 0 64px;
            background: linear-gradient(180deg, rgba(11, 11, 16, 0.72) 0%, rgba(11, 11, 16, 0.94) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-title {
            font-size: clamp(1.75rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            max-width: 840px;
            margin-bottom: 1.25rem;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
        }
        .article-meta .dot {
            width: 3px;
            height: 3px;
            background: var(--text-muted);
            border-radius: 50%;
            display: inline-block;
        }
        .article-meta .meta-cat {
            color: var(--brand);
            background: var(--brand-weak);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 500;
        }

        /* ===== 正文主体 ===== */
        .article-wrap {
            padding: 48px 0 32px;
        }
        .article-body {
            max-width: 720px;
            margin: 0 auto;
            color: var(--text-primary);
            font-size: 1.02rem;
        }
        .article-body h2 {
            font-size: clamp(1.35rem, 2.5vw, 1.75rem);
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 2rem 0 0.75rem;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .article-body p {
            margin-bottom: 1.5rem;
            line-height: 1.8;
            color: rgba(240, 239, 237, 0.92);
        }
        .article-body a {
            color: var(--brand);
            transition: color 0.2s;
        }
        .article-body a:hover {
            color: var(--brand-hover);
            text-decoration: underline;
        }
        .article-body blockquote {
            border-left: 3px solid var(--brand);
            padding: 1rem 1.25rem;
            color: var(--text-secondary);
            margin: 1.75rem 0;
            line-height: 1.8;
            background: var(--brand-weak);
            border-radius: 0 8px 8px 0;
        }
        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.5rem 1.5rem;
            color: rgba(240, 239, 237, 0.92);
        }
        .article-body li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }
        .article-body img {
            border-radius: 12px;
            margin: 2rem auto;
            border: 1px dashed rgba(255, 255, 255, 0.1);
            height: auto;
        }
        .article-body strong {
            color: var(--text-primary);
            font-weight: 700;
        }
        .article-body .note {
            background: var(--raised);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.25rem 1.5rem;
            margin: 1.5rem 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2rem 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .article-body table th {
            background: var(--raised);
            padding: 0.75rem 1rem;
            text-align: left;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border);
        }
        .article-body table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
        }

        /* ===== 空状态 ===== */
        .not-found-box {
            max-width: 720px;
            margin: 0 auto;
            border: 2px dashed rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 3rem 2rem;
            text-align: center;
            background: var(--surface);
        }
        .not-found-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        /* ===== 标签区 ===== */
        .tag-section {
            padding: 24px 0 48px;
            border-bottom: 1px solid var(--border);
        }
        .tag-wrap {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: all 0.2s;
        }
        .tag-pill:hover {
            border-color: rgba(249, 115, 22, 0.4);
            color: var(--brand);
            background: var(--brand-weak);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 64px 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 2rem;
            letter-spacing: -0.01em;
        }
        .related-grid {
            display: grid;
            gap: 1.5rem;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }
        .related-card {
            background: var(--raised);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.25s ease;
            display: block;
        }
        .related-card:hover {
            border-color: rgba(249, 115, 22, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-thumb {
            width: 100%;
            height: 150px;
            object-fit: cover;
            background: linear-gradient(135deg, #1B1B24, #14141C);
        }
        .related-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }
        .related-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.35rem;
            line-height: 1.4;
            transition: color 0.2s;
        }
        .related-card:hover .related-body h4 {
            color: var(--brand);
        }
        .related-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
        }
        .related-body time {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .related-back {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--brand);
            font-size: 0.9rem;
            font-weight: 500;
            margin-top: 2rem;
            transition: gap 0.2s, color 0.2s;
        }
        .related-back:hover {
            gap: 0.9rem;
            color: var(--brand-hover);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg);
            position: relative;
            overflow: hidden;
            border-top: 1px solid var(--border);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .cta-inner p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1rem;
        }
        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .privacy-note {
            margin-top: 1.25rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .privacy-note svg {
            width: 14px;
            height: 14px;
            color: var(--success);
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #07070A;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 64px;
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 2px;
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .footer-logo .beat {
            color: var(--text-primary);
        }
        .footer-logo .num {
            color: var(--brand);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--brand);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* ===== 模态框 ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 1.5rem;
        }
        .modal-overlay.open {
            display: flex;
        }
        .modal {
            width: 100%;
            max-width: 440px;
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 2rem;
            position: relative;
            animation: modalIn 0.15s ease-out;
            max-height: 90vh;
            overflow-y: auto;
        }
        @keyframes modalIn {
            from {
                opacity: 0;
                transform: scale(0.96);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            transition: background 0.2s, color 0.2s;
        }
        .modal-close:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .modal h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .modal-sub {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .modal-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-field label {
            display: block;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0.35rem;
        }
        .form-field input,
        .form-field textarea {
            width: 100%;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
            color: var(--text-primary);
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .form-field input::placeholder,
        .form-field textarea::placeholder {
            color: var(--text-muted);
        }
        .form-field input:focus,
        .form-field textarea:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
        }
        .form-field textarea {
            resize: vertical;
            min-height: 80px;
        }
        .modal-submit {
            width: 100%;
            margin-top: 0.5rem;
        }
        .modal-privacy {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 1rem;
        }
        .success-msg {
            background: rgba(74, 222, 128, 0.1);
            border: 1px solid rgba(74, 222, 128, 0.3);
            color: var(--success);
            border-radius: 8px;
            padding: 1rem;
            text-align: center;
            font-size: 0.95rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .article-hero {
                padding: 130px 0 48px;
            }
            .article-title {
                font-size: 1.55rem;
            }
            .article-meta {
                gap: 0.5rem;
                row-gap: 0.4rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .article-hero {
                padding: 120px 0 40px;
            }
            .article-title {
                font-size: 1.35rem;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }

/* roulang page: category2 */
:root {
  --brand: #F97316;
  --brand-hover: #FB923C;
  --brand-weak: rgba(249,115,22,0.12);
  --accent: #8B5CF6;
  --accent-weak: rgba(139,92,246,0.15);
  --success: #4ADE80;
  --bg: #0B0B10;
  --surface: #14141C;
  --raised: #1B1B24;
  --border: rgba(255,255,255,0.07);
  --text-primary: #F0EFED;
  --text-secondary: #A6A3AD;
  --text-muted: #6F6D78;
  --radius-card: 16px;
  --radius-btn: 8px;
  --shadow-card: 0 12px 40px rgba(0,0,0,0.35);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width:100%; display:block; }
a { color: inherit; text-decoration:none; }
button { font-family:inherit; cursor:pointer; }
input, textarea { font-family:inherit; }

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

/* ===== Header ===== */
.site-header {
  position: absolute;
  inset:0 0 auto 0;
  z-index:50;
  background: rgba(11,11,16,0.55);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition: all .3s ease;
}
.site-header.scrolled {
  position: fixed;
  background: rgba(11,11,16,0.95);
  box-shadow: 0 8px 30px rgba(0,0,0,0.45);
}
.nav-wrap { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { display:inline-flex; align-items:center; font-size:1.35rem; font-weight:800; letter-spacing:0.01em; white-space:nowrap; }
.logo .beat { color:var(--text-primary); }
.logo .num { color:var(--brand); }
.logo-dot {
  width:6px; height:6px; border-radius:50%;
  background:var(--brand); margin-left:6px;
  animation:dotPulse 2s infinite;
}
@keyframes dotPulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.45; transform:scale(0.75); }
}
.logo-badge {
  font-size:11px;
  color:var(--brand);
  border:1px solid rgba(249,115,22,0.4);
  background:rgba(249,115,22,0.08);
  border-radius:999px;
  padding:2px 8px;
  margin-left:8px;
  font-weight:500;
}
.nav-links { display:flex; gap:32px; align-items:center; }
.nav-links a {
  color:rgba(255,255,255,0.7);
  font-size:0.9rem;
  letter-spacing:0.02em;
  padding:10px 0;
  position:relative;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover { color:#fff; }
.nav-links a.active { color:var(--text-primary); font-weight:600; }
.nav-links a.active::after {
  content:'';
  position:absolute;
  bottom:0; left:0;
  width:100%; height:2px;
  background:var(--brand);
  border-radius:2px;
}
.menu-btn {
  display:inline-flex;
  align-items:center; justify-content:center;
  width:44px; height:44px;
  border:1px solid rgba(255,255,255,0.12);
  border-radius:10px;
  background:rgba(255,255,255,0.04);
  color:var(--text-primary);
  transition:background .2s ease;
}
.menu-btn:hover { background:rgba(255,255,255,0.1); }

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset:0;
  z-index:100;
  background: rgba(11,11,16,0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display:flex;
  flex-direction:column;
  padding:24px;
  transform:translateX(100%);
  transition:transform .3s ease;
  visibility:hidden;
}
.mobile-drawer.open { transform:translateX(0); visibility:visible; }
.drawer-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:40px; }
.drawer-links { display:flex; flex-direction:column; gap:8px; }
.drawer-links a {
  padding:14px 12px;
  font-size:1.1rem;
  color:var(--text-secondary);
  border-radius:10px;
  transition:all .2s ease;
}
.drawer-links a:hover { color:var(--text-primary); background:rgba(255,255,255,0.06); }
.drawer-links a.active { color:var(--brand); font-weight:600; background:var(--brand-weak); }

/* ===== Buttons ===== */
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:600;
  border-radius:var(--radius-btn);
  padding:14px 28px;
  font-size:0.95rem;
  line-height:1.2;
  border:none;
  transition:all .2s ease;
  min-height:48px;
}
.btn-primary { background:var(--brand); color:#0B0B10; }
.btn-primary:hover {
  background:var(--brand-hover);
  box-shadow:0 0 24px rgba(249,115,22,0.35);
  transform:translateY(-2px);
}
.btn-primary:active { transform:translateY(0) scale(0.98); }
.btn-primary:focus-visible { outline:none; box-shadow:0 0 0 4px rgba(249,115,22,0.3); }
.btn-ghost {
  border:1px solid rgba(255,255,255,0.15);
  color:rgba(255,255,255,0.9);
  background:transparent;
}
.btn-ghost:hover { background:rgba(255,255,255,0.05); }
.btn-ghost:active { transform:scale(0.98); }
.btn-ghost:focus-visible { outline:none; box-shadow:0 0 0 4px rgba(255,255,255,0.15); }

/* ===== Page Hero ===== */
.page-hero {
  position:relative;
  min-height:36vh;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  padding-top:120px;
  padding-bottom:60px;
}
.page-hero::before {
  content:'';
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(11,11,16,0.92) 0%, rgba(11,11,16,0.72) 50%, rgba(11,11,16,0.85) 100%),
    linear-gradient(0deg, rgba(11,11,16,0.9) 0%, rgba(11,11,16,0.2) 100%);
}
.page-hero::after {
  content:'';
  position:absolute;
  left:-120px;
  top:-80px;
  width:400px;
  height:400px;
  background:radial-gradient(circle, rgba(139,92,246,0.18) 0%, transparent 70%);
  pointer-events:none;
}
.page-hero-content { position:relative; z-index:2; max-width:820px; }
.breadcrumb {
  display:flex;
  align-items:center;
  gap:8px;
  font-size:0.85rem;
  color:var(--text-muted);
  margin-bottom:20px;
}
.breadcrumb a { color:var(--text-secondary); transition:color .2s; }
.breadcrumb a:hover { color:var(--brand); }
.breadcrumb .sep { color:var(--text-muted); }
.page-hero h1 {
  font-size:clamp(2rem, 5vw, 3.25rem);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-0.02em;
  margin-bottom:16px;
}
.page-hero .sub {
  font-size:1.05rem;
  color:var(--text-secondary);
  max-width:640px;
  line-height:1.75;
}

/* ===== Section generic ===== */
.section { padding:88px 0; }
.section-head { margin-bottom:48px; }
.section-label {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.85rem;
  font-weight:600;
  color:var(--brand);
  letter-spacing:0.08em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-label::before {
  content:'';
  width:20px; height:3px;
  border-radius:3px;
  background:var(--brand);
  display:inline-block;
}
.section h2 {
  font-size:clamp(1.5rem, 3vw, 2.25rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-0.01em;
  color:var(--text-primary);
}
.section .section-desc {
  color:var(--text-secondary);
  font-size:1rem;
  max-width:720px;
  margin-top:12px;
}

/* ===== Overview split ===== */
.overview-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.overview-img { position:relative; border-radius:20px; overflow:hidden; }
.overview-img img { width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.overview-img-inner { position:relative; padding-top:72%; }
.overview-img-overlay {
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(11,11,16,0) 40%, rgba(11,11,16,0.8) 100%);
}
.overview-img-caption {
  position:absolute;
  bottom:20px; left:20px;
  font-size:0.85rem;
  color:rgba(255,255,255,0.85);
  background:rgba(11,11,16,0.6);
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.1);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.check-list { display:flex; flex-direction:column; gap:18px; margin-top:24px; }
.check-item { display:flex; gap:12px; align-items:flex-start; }
.check-icon {
  flex:0 0 24px;
  width:24px; height:24px;
  border-radius:50%;
  background:rgba(74,222,128,0.12);
  border:1px solid rgba(74,222,128,0.35);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--success);
  margin-top:3px;
}
.check-item p { color:var(--text-secondary); font-size:0.95rem; line-height:1.7; }

/* ===== Guarantee line list ===== */
.guarantee-list { display:flex; flex-direction:column; }
.guarantee-row {
  display:grid;
  grid-template-columns:96px 1fr 44px;
  gap:24px;
  align-items:start;
  padding:32px 8px;
  border-bottom:1px solid var(--border);
  transition:background .2s ease;
}
.guarantee-row:first-child { border-top:1px solid var(--border); }
.guarantee-row:hover { background:rgba(255,255,255,0.02); }
.guarantee-num {
  font-size:2rem;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  opacity:0.85;
}
.guarantee-body h3 { font-size:1.15rem; font-weight:700; margin-bottom:8px; color:var(--text-primary); }
.guarantee-body p { color:var(--text-secondary); font-size:0.95rem; line-height:1.7; max-width:720px; }
.guarantee-arrow {
  width:36px; height:36px;
  border-radius:50%;
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-muted);
  transition:all .2s ease;
  font-size:0.9rem;
}
.guarantee-row:hover .guarantee-arrow {
  border-color:rgba(249,115,22,0.4);
  color:var(--brand);
  transform:translateX(2px);
}

/* ===== Stats ===== */
.stats-section { background:var(--surface); position:relative; overflow:hidden; }
.stats-section::before {
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 30%, rgba(249,115,22,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139,92,246,0.04) 0%, transparent 50%);
  pointer-events:none;
}
.stats-grid {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:32px;
  position:relative;
}
.stat-item { text-align:left; padding:8px 0; }
.stat-value {
  font-size:clamp(2rem, 4vw, 3.25rem);
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:-0.02em;
}
.stat-value .suffix { font-size:0.6em; margin-left:2px; color:var(--brand-hover); }
.stat-label { color:var(--text-secondary); font-size:0.95rem; margin-top:8px; }

/* ===== Process ===== */
.process-grid {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
.process-card {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:28px 24px;
  position:relative;
  transition:all .25s ease;
  overflow:hidden;
}
.process-card:hover {
  border-color:rgba(249,115,22,0.4);
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
}
.process-step {
  font-size:0.8rem;
  font-weight:700;
  color:var(--accent);
  letter-spacing:0.1em;
  margin-bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.process-step::before { content:'STEP'; font-size:0.7rem; color:var(--text-muted); }
.process-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:10px; color:var(--text-primary); }
.process-card p { color:var(--text-secondary); font-size:0.9rem; line-height:1.65; }
.process-line {
  position:absolute;
  top:0; right:0;
  width:40px; height:3px;
  background:linear-gradient(90deg, transparent, var(--brand));
  opacity:0.5;
}

/* ===== FAQ ===== */
.faq-wrap { max-width:860px; }
.faq-item { border-bottom:1px solid var(--border); }
.faq-item:first-child { border-top:1px solid var(--border); }
.faq-q {
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:24px 4px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  color:var(--text-primary);
  transition:color .2s;
  min-height:56px;
}
.faq-q:hover { color:var(--brand); }
.faq-icon {
  flex:0 0 24px;
  width:24px; height:24px;
  position:relative;
  color:var(--text-muted);
  transition:color .2s, transform .2s;
}
.faq-icon::before {
  content:'';
  position:absolute;
  top:50%; left:50%;
  width:12px; height:2px;
  background:currentColor;
  transform:translate(-50%, -50%);
  border-radius:1px;
}
.faq-icon::after {
  content:'';
  position:absolute;
  top:50%; left:50%;
  width:2px; height:12px;
  background:currentColor;
  transform:translate(-50%, -50%);
  border-radius:1px;
  transition:transform .2s;
}
.faq-item.open .faq-icon { color:var(--brand); }
.faq-item.open .faq-icon::after { transform:translate(-50%, -50%) rotate(90deg); }
.faq-a {
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner {
  padding:0 24px 24px 4px;
  color:var(--text-secondary);
  font-size:0.95rem;
  line-height:1.75;
  max-width:760px;
}

/* ===== CTA ===== */
.cta-bar {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;
  padding:48px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-bar::before {
  content:'';
  position:absolute;
  right:-60px;
  top:-60px;
  width:200px;
  height:200px;
  background:radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events:none;
}
.cta-bar h2 { font-size:1.4rem; font-weight:700; }
.cta-bar p { color:var(--text-secondary); font-size:0.95rem; margin-top:6px; max-width:560px; }
.cta-actions { display:flex; gap:16px; align-items:center; flex-wrap:wrap; }
.privacy-note {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  color:var(--text-muted);
  font-size:0.8rem;
  margin-top:20px;
  text-align:center;
}
.privacy-note svg { flex:0 0 auto; }

/* ===== Footer ===== */
.site-footer {
  background:#07070A;
  border-top:1px solid rgba(255,255,255,0.05);
  padding:64px 0 32px;
}
.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  margin-bottom:48px;
}
.footer-logo { display:flex; align-items:center; font-size:1.3rem; font-weight:800; margin-bottom:16px; }
.footer-logo .beat { color:var(--text-primary); }
.footer-logo .num { color:var(--brand); }
.footer-desc { color:var(--text-muted); font-size:0.9rem; line-height:1.7; max-width:320px; }
.footer-title { font-size:0.95rem; font-weight:600; color:var(--text-primary); margin-bottom:16px; }
.footer-links { display:flex; flex-direction:column; gap:10px; }
.footer-links a, .footer-links span { color:var(--text-muted); font-size:0.9rem; transition:color .2s; }
.footer-links a:hover { color:var(--brand); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.05);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--text-muted);
  font-size:0.8rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .overview-grid { gap:40px; }
  .stats-grid { grid-template-columns:repeat(2, 1fr); gap:24px; }
  .process-grid { grid-template-columns:repeat(2, 1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding:64px 0; }
  .overview-grid { grid-template-columns:1fr; gap:32px; }
  .guarantee-row { grid-template-columns:56px 1fr; gap:16px; padding:24px 4px; }
  .guarantee-arrow { display:none; }
  .guarantee-num { font-size:1.5rem; }
  .cta-bar { padding:32px 24px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width: 520px) {
  .container { padding:0 20px; }
  .stats-grid { grid-template-columns:1fr 1fr; gap:16px; }
  .process-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; }
  .page-hero { min-height:44vh; padding-top:110px; padding-bottom:48px; }
  .cta-actions { width:100%; }
  .cta-actions .btn { width:100%; }
  .guarantee-row { grid-template-columns:44px 1fr; }
  .guarantee-num { font-size:1.2rem; }
}