:root {
  --dm-primary: #ea580c;
  --dm-accent: #d97706;
  --dm-bg: #fffbf5;
  --dm-text: #1c1917;
  --dm-text-light: #57534e;
  --dm-border: #e7e0d8;
  --dm-white: #ffffff;
  --dm-shadow: 0 2px 8px rgba(234, 88, 12, 0.06);
  --dm-shadow-hover: 0 6px 20px rgba(234, 88, 12, 0.12);
  --dm-radius: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--dm-bg);
  color: var(--dm-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}
a { text-decoration: none; color: inherit; }
.container-custom { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航栏 ===== */
.dm-navbar {
  background: rgba(255, 251, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--dm-border);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.dm-navbar .nav-link-custom {
  font-weight: 500;
  font-size: 14px;
  color: var(--dm-text);
  padding: 6px 12px;
  margin: 0 2px;
  border-radius: var(--dm-radius);
  transition: all 0.2s;
}
.dm-navbar .nav-link-custom:hover {
  background: rgba(234, 88, 12, 0.08);
  color: var(--dm-primary);
}
.navbar-brand-dm {
  font-weight: 800;
  font-size: 22px;
  color: var(--dm-primary);
  letter-spacing: -0.02em;
}
.navbar-brand-dm i { margin-right: 4px; }
.dm-navbar .btn-dm-ghost {
  border: 1px solid var(--dm-border);
  padding: 6px 16px;
  border-radius: var(--dm-radius);
  font-size: 13px;
  font-weight: 500;
  color: var(--dm-text);
  transition: all 0.2s;
}
.dm-navbar .btn-dm-ghost:hover {
  border-color: var(--dm-primary);
  color: var(--dm-primary);
}
.navbar-toggler-dm {
  background: none;
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  padding: 4px 10px;
  font-size: 18px;
  color: var(--dm-text);
}

/* ===== Hero 区 ===== */
.dm-hero {
  position: relative;
  padding: 70px 0 90px;
  background: linear-gradient(180deg, var(--dm-bg) 0%, #fff7ed 100%);
  overflow: hidden;
}
.dm-hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(234, 88, 12, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: dmFloat 6s ease-in-out infinite;
}
.dm-hero::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 10%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: dmFloat 8s ease-in-out infinite reverse;
}
@keyframes dmFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.dm-hero .hero-badge {
  display: inline-block;
  background: rgba(234, 88, 12, 0.1);
  color: var(--dm-primary);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 18px;
  border: 1px solid rgba(234, 88, 12, 0.2);
}
.dm-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.dm-hero h1 .gradient-text {
  background: linear-gradient(120deg, var(--dm-primary), var(--dm-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.dm-hero .lead {
  font-size: 16px;
  color: var(--dm-text-light);
  max-width: 560px;
  margin-bottom: 32px;
}
.dm-hero .hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-dm-primary {
  background: linear-gradient(120deg, var(--dm-primary), var(--dm-accent));
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--dm-radius);
  font-weight: 600;
  font-size: 15px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(234, 88, 12, 0.2);
}
.btn-dm-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}
.btn-dm-primary:hover::after {
  left: 100%;
}
.btn-dm-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.3);
}
.btn-dm-outline {
  background: transparent;
  border: 1.5px solid var(--dm-border);
  padding: 12px 24px;
  border-radius: var(--dm-radius);
  font-weight: 600;
  font-size: 15px;
  color: var(--dm-text);
  transition: all 0.2s;
}
.btn-dm-outline:hover {
  border-color: var(--dm-primary);
  color: var(--dm-primary);
  background: rgba(234, 88, 12, 0.04);
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
}
.hero-stats .stat-item h4 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dm-text);
  margin-bottom: 2px;
}
.hero-stats .stat-item p {
  font-size: 13px;
  color: var(--dm-text-light);
  margin: 0;
}
.hero-emoji-float {
  position: absolute;
  font-size: 30px;
  opacity: 0.5;
  animation: dmFloat 5s ease-in-out infinite;
}
.hero-emoji-float.e1 { top: 20%; left: 8%; animation-delay: 0.3s; }
.hero-emoji-float.e2 { top: 65%; right: 12%; animation-delay: 1.2s; font-size: 40px; }
.hero-emoji-float.e3 { bottom: 15%; left: 15%; animation-delay: 2s; font-size: 24px; }

/* ===== 波浪分割 ===== */
.dm-wave-divider {
  position: relative;
  height: 60px;
  background: var(--dm-bg);
  overflow: hidden;
}
.dm-wave-divider svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
}
.dm-wave-divider.flip svg { transform: rotate(180deg); bottom: auto; top: 0; }

/* ===== Bento 网格 ===== */
.dm-bento-section {
  padding: 60px 0 70px;
  background: var(--dm-bg);
}
.section-header {
  margin-bottom: 36px;
}
.section-header .eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dm-primary);
  margin-bottom: 8px;
}
.section-header h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.section-header p {
  color: var(--dm-text-light);
  font-size: 14px;
  max-width: 620px;
  margin: 0;
}
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(120px, auto);
  gap: 16px;
}
.bento-item {
  background: var(--dm-white);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  padding: 24px;
  transition: transform 0.25s, box-shadow 0.25s;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.bento-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.bento-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--dm-shadow-hover);
}
.bento-item .bento-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
  background: rgba(234, 88, 12, 0.08);
  color: var(--dm-primary);
}
.bento-item h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.bento-item p {
  font-size: 13px;
  color: var(--dm-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}
.bento-item .bento-tag {
  display: inline-block;
  background: rgba(234, 88, 12, 0.06);
  color: var(--dm-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 4px;
  margin-top: 10px;
}
.bento-item.bento-wide { grid-column: span 2; }
.bento-item.bento-tall { grid-row: span 2; }
.bento-item.bento-accent {
  background: linear-gradient(135deg, var(--dm-primary), var(--dm-accent));
  color: #fff;
  border: none;
}
.bento-item.bento-accent .bento-icon { background: rgba(255,255,255,0.2); color: #fff; }
.bento-item.bento-accent p { color: rgba(255,255,255,0.9); }
.bento-item.bento-accent h5 { color: #fff; }
.bento-item .bento-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}
.bento-item .bento-list li {
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid var(--dm-border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.bento-item .bento-list li:last-child { border-bottom: none; }
.bento-item .bento-list li i {
  color: var(--dm-primary);
  font-size: 11px;
  width: 16px;
}

/* ===== 长文介绍 ===== */
.dm-long-section {
  padding: 70px 0;
  background: var(--dm-white);
  position: relative;
}
.dm-long-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--dm-primary), var(--dm-accent), transparent);
}
.dm-long-section h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.dm-long-section .long-lead {
  font-size: 16px;
  color: var(--dm-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 860px;
}
.step-container {
  margin: 40px 0 30px;
  position: relative;
}
.step-line {
  position: absolute;
  top: 0;
  left: 19px;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--dm-primary), var(--dm-accent), transparent);
  opacity: 0.3;
}
.step-item {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
  position: relative;
}
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dm-white);
  border: 2px solid var(--dm-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: var(--dm-primary);
  flex-shrink: 0;
  z-index: 1;
  background: var(--dm-bg);
}
.step-content {
  background: var(--dm-bg);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  padding: 20px 24px;
  flex: 1;
  transition: box-shadow 0.2s;
}
.step-content:hover { box-shadow: var(--dm-shadow); }
.step-content h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--dm-text);
}
.step-content p {
  font-size: 14px;
  color: var(--dm-text-light);
  margin: 0;
  line-height: 1.6;
}
.step-content .step-meta {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--dm-accent);
  font-weight: 600;
}

/* ===== FAQ ===== */
.dm-faq-section {
  padding: 60px 0 70px;
  background: var(--dm-bg);
}
.dm-faq-section h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.dm-faq-section .section-sub {
  color: var(--dm-text-light);
  font-size: 14px;
  margin-bottom: 40px;
}
.accordion-dm {
  max-width: 860px;
  margin: 0 auto;
}
.accordion-dm .accordion-item-dm {
  background: var(--dm-white);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.accordion-dm .accordion-item-dm:hover { box-shadow: var(--dm-shadow); }
.accordion-dm .accordion-item-dm.active { border-color: var(--dm-primary); }
.accordion-dm .accordion-header-dm {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 15px;
}
.accordion-dm .accordion-header-dm i {
  color: var(--dm-primary);
  transition: transform 0.3s;
  font-size: 14px;
}
.accordion-dm .accordion-item-dm.active .accordion-header-dm i {
  transform: rotate(45deg);
}
.accordion-dm .accordion-body-dm {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  color: var(--dm-text-light);
  font-size: 14px;
  line-height: 1.7;
}
.accordion-dm .accordion-item-dm.active .accordion-body-dm {
  padding: 0 24px 18px;
  max-height: 400px;
}

/* ===== CTA ===== */
.dm-cta-section {
  padding: 70px 0;
  background: linear-gradient(120deg, var(--dm-primary) 0%, var(--dm-accent) 100%);
  position: relative;
  overflow: hidden;
  border-radius: 0;
  text-align: center;
  color: #fff;
}
.dm-cta-section::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 10%;
  width: 200px;
  height: 200px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.dm-cta-section::after {
  content: '';
  position: absolute;
  bottom: -30px;
  right: 15%;
  width: 160px;
  height: 160px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}
.dm-cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  position: relative;
}
.dm-cta-section p {
  font-size: 16px;
  opacity: 0.95;
  max-width: 520px;
  margin: 0 auto 30px;
  position: relative;
}
.btn-dm-white {
  background: #fff;
  color: var(--dm-primary);
  border: none;
  padding: 14px 36px;
  border-radius: var(--dm-radius);
  font-weight: 700;
  font-size: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.btn-dm-white::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(234, 88, 12, 0.15), transparent);
  transition: left 0.5s;
}
.btn-dm-white:hover::after { left: 100%; }
.btn-dm-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

/* ===== 友情链接 ===== */
.dm-friend-links {
  padding: 50px 0 40px;
  background: var(--dm-bg);
  border-top: 1px solid var(--dm-border);
}
.dm-friend-links h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--dm-text);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.friend-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--dm-text-light);
}
.friend-links-row a {
  color: var(--dm-text-light);
  transition: color 0.2s;
  border-bottom: 1px dashed transparent;
}
.friend-links-row a:hover {
  color: var(--dm-primary);
  border-bottom-color: var(--dm-primary);
}

/* ===== 页脚 ===== */
.dm-footer {
  background: var(--dm-white);
  border-top: 1px solid var(--dm-border);
  padding: 40px 0 30px;
}
.dm-footer .footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--dm-primary);
  margin-bottom: 12px;
}
.dm-footer .footer-desc {
  font-size: 13px;
  color: var(--dm-text-light);
  max-width: 360px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.dm-footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin-bottom: 20px;
}
.dm-footer .footer-links a {
  font-size: 13px;
  color: var(--dm-text-light);
  transition: color 0.2s;
}
.dm-footer .footer-links a:hover { color: var(--dm-primary); }
.dm-footer .footer-copyright {
  border-top: 1px solid var(--dm-border);
  padding-top: 20px;
  font-size: 12px;
  color: var(--dm-text-light);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.dm-footer .footer-copyright a { color: var(--dm-text-light); }
.dm-footer .footer-copyright a:hover { color: var(--dm-primary); }

/* ===== 图片占位懒加载 ===== */
.img-placeholder {
  background: linear-gradient(90deg, #f0ece6, #e8e2da, #f0ece6);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  min-height: 100px;
  border-radius: var(--dm-radius);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-item.bento-wide { grid-column: span 2; }
  .bento-item.bento-tall { grid-row: span 1; }
}
@media (max-width: 576px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-item.bento-wide { grid-column: span 1; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .hero-stats .stat-item h4 { font-size: 22px; }
  .step-content { padding: 16px; }
  .accordion-dm .accordion-header-dm { padding: 14px 18px; font-size: 14px; }
}

/* --- 子页面追加 --- */
/* 本页专属少量样式 - 关于页 */
        .about-hero {
            background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 50%, #fed7aa 100%);
            border-radius: var(--dm-radius);
            padding: 3rem 2rem;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--dm-border);
        }
.about-hero::after {
            content: '📚';
            position: absolute;
            font-size: 8rem;
            right: 3rem;
            top: 50%;
            transform: translateY(-50%);
            opacity: 0.1;
            pointer-events: none;
        }
.about-badge {
            display: inline-block;
            background: var(--dm-primary);
            color: var(--dm-white);
            padding: 0.25rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
.about-section {
            background: var(--dm-white);
            border: 1px solid var(--dm-border);
            border-radius: var(--dm-radius);
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--dm-shadow);
        }
.about-section:hover {
            box-shadow: var(--dm-shadow-hover);
            transform: translateY(-2px);
            transition: all 0.3s ease;
        }
.about-section h2 {
            color: var(--dm-primary);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--dm-border);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
.about-section h2 i {
            font-size: 1.2rem;
        }
.about-section h3 {
            color: var(--dm-accent);
            font-weight: 600;
            font-size: 1.15rem;
            margin: 1.5rem 0 0.75rem;
        }
.about-section p {
            color: var(--dm-text);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
.about-section ul {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.about-section li {
            color: var(--dm-text);
            line-height: 1.8;
            margin-bottom: 0.5rem;
            position: relative;
        }
.about-section li::marker {
            color: var(--dm-primary);
        }
.about-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
.about-feature-item {
            background: var(--dm-bg);
            border: 1px solid var(--dm-border);
            border-radius: var(--dm-radius);
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
        }
.about-feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--dm-shadow-hover);
            border-color: var(--dm-primary);
        }
.about-feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            display: block;
        }
.about-feature-title {
            font-weight: 600;
            color: var(--dm-text);
            margin-bottom: 0.5rem;
        }
.about-feature-desc {
            font-size: 0.9rem;
            color: var(--dm-text-light);
            line-height: 1.6;
        }
.about-timeline {
            position: relative;
            padding-left: 2rem;
            margin-top: 1.5rem;
        }
.about-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--dm-primary), var(--dm-accent));
        }
.about-timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
.about-timeline-item::before {
            content: '';
            position: absolute;
            left: -2.15rem;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--dm-primary);
            border: 2px solid var(--dm-white);
            box-shadow: 0 0 0 2px var(--dm-primary);
        }
.about-timeline-year {
            font-weight: 700;
            color: var(--dm-primary);
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
.about-timeline-text {
            color: var(--dm-text-light);
            line-height: 1.6;
        }
.about-quote {
            background: var(--dm-bg);
            border-left: 4px solid var(--dm-primary);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--dm-radius) var(--dm-radius) 0;
            font-style: italic;
            color: var(--dm-text);
            line-height: 1.8;
        }
.about-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
.about-stat-item {
            text-align: center;
            padding: 1.5rem;
            background: var(--dm-bg);
            border-radius: var(--dm-radius);
            border: 1px solid var(--dm-border);
        }
.about-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--dm-primary);
            margin-bottom: 0.5rem;
        }
.about-stat-label {
            color: var(--dm-text-light);
            font-size: 0.9rem;
        }
.about-hero::after {
                display: none;
            }
.about-hero {
                padding: 2rem 1rem;
            }
.about-section {
                padding: 1.5rem;
            }

/* --- 子页面追加 --- */
.rank-tabs {
      border-bottom: 2px solid var(--dm-border);
      display: flex;
      gap: 1.5rem;
      flex-wrap: wrap;
      margin-bottom: 2rem;
    }
.rank-tabs a {
      color: var(--dm-text-light);
      font-weight: 600;
      padding: 0.75rem 0.2rem;
      border-bottom: 3px solid transparent;
      margin-bottom: -2px;
      transition: color .2s, border-color .2s;
    }
.rank-tabs a:hover {
      color: var(--dm-primary);
    }
.rank-tabs a.active {
      color: var(--dm-primary);
      border-bottom-color: var(--dm-primary);
    }
.rank-card {
      background: var(--dm-white);
      border: 1px solid var(--dm-border);
      border-radius: var(--dm-radius);
      padding: 1.25rem 1.5rem;
      box-shadow: var(--dm-shadow);
      transition: transform .2s, box-shadow .2s;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
.rank-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--dm-shadow-hover);
    }
.rank-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--dm-primary);
      line-height: 1;
      opacity: .85;
    }
.rank-tag {
      display: inline-block;
      background: rgba(234, 88, 12, 0.08);
      color: var(--dm-primary);
      padding: 0.2rem 0.7rem;
      border-radius: 30px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: .3px;
    }
.rank-list-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 0.9rem 0.75rem;
      border-bottom: 1px solid var(--dm-border);
    }
.rank-list-item:last-child {
      border-bottom: none;
    }
.rank-list-index {
      min-width: 2rem;
      font-weight: 700;
      color: var(--dm-text-light);
    }
.rank-list-index.top {
      color: var(--dm-primary);
      font-size: 1.2rem;
    }
.rank-list-title {
      flex: 1;
      font-weight: 600;
      color: var(--dm-text);
    }
.rank-list-meta {
      font-size: 0.85rem;
      color: var(--dm-text-light);
    }
.rank-up {
      color: var(--dm-accent);
      font-weight: 600;
      font-size: 0.85rem;
    }
.rank-down {
      color: #a8a29e;
      font-weight: 500;
      font-size: 0.85rem;
    }
.badge-hot {
      background: var(--dm-primary);
      color: #fff;
      padding: 0.2rem 0.6rem;
      border-radius: 20px;
      font-size: 0.7rem;
      font-weight: 600;
    }
.bento-item h4 i {
      color: var(--dm-primary);
      margin-right: 6px;
    }
/* 确保卡片背景等与站点一致 */
    .card, .card-body, .card-header {
      background: var(--dm-white);
      color: var(--dm-text);
      border-color: var(--dm-border);
    }
.form-control, .form-select {
      background: #fff;
      color: var(--dm-text);
      border-color: var(--dm-border);
    }
.form-control:focus {
      border-color: var(--dm-primary);
      box-shadow: 0 0 0 0.2rem rgba(234,88,12,.1);
    }
.dm-friend-links a {
      color: var(--dm-text-light);
      margin-right: 1rem;
    }

/* --- 子页面追加 --- */
/* 本页专属少量补充样式 */
    .submit-hero {
      padding: 80px 0 60px;
      background: linear-gradient(135deg, rgba(234, 88, 12, 0.08) 0%, rgba(255, 251, 245, 0) 60%);
      border-bottom: 1px solid var(--dm-border);
    }
.submit-hero .page-title {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--dm-text);
      line-height: 1.3;
      margin-bottom: 16px;
    }
.submit-hero .page-subtitle {
      font-size: 1.15rem;
      color: var(--dm-text-light);
      max-width: 700px;
      line-height: 1.8;
    }
.submit-card {
      background: var(--dm-white);
      border: 1px solid var(--dm-border);
      border-radius: var(--dm-radius);
      padding: 32px 28px;
      box-shadow: var(--dm-shadow);
      transition: box-shadow 0.3s ease;
      height: 100%;
    }
.submit-card:hover {
      box-shadow: var(--dm-shadow-hover);
    }
.submit-card .icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(234, 88, 12, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--dm-primary);
      margin-bottom: 16px;
    }
.submit-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dm-text);
      margin-bottom: 10px;
    }
.submit-card p {
      font-size: 0.95rem;
      color: var(--dm-text-light);
      line-height: 1.7;
      margin-bottom: 0;
    }
.step-box {
      position: relative;
      padding: 24px;
      background: var(--dm-white);
      border: 1px solid var(--dm-border);
      border-radius: var(--dm-radius);
      margin-bottom: 16px;
      box-shadow: var(--dm-shadow);
    }
.step-box .step-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--dm-primary);
      opacity: 0.25;
      position: absolute;
      top: 16px;
      right: 20px;
      line-height: 1;
    }
.step-box h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dm-text);
      margin-bottom: 8px;
    }
.step-box p {
      font-size: 0.93rem;
      color: var(--dm-text-light);
      line-height: 1.7;
      margin-bottom: 0;
    }
.notice-box {
      background: rgba(234, 88, 12, 0.06);
      border-left: 4px solid var(--dm-primary);
      border-radius: 4px;
      padding: 20px 24px;
      margin: 32px 0;
    }
.notice-box h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dm-text);
      margin-bottom: 8px;
    }
.notice-box p {
      font-size: 0.93rem;
      color: var(--dm-text-light);
      line-height: 1.7;
      margin-bottom: 0;
    }
.faq-item-dm {
      border: 1px solid var(--dm-border);
      border-radius: var(--dm-radius);
      margin-bottom: 12px;
      background: var(--dm-white);
      overflow: hidden;
      box-shadow: var(--dm-shadow);
    }
.faq-item-dm summary {
      padding: 18px 24px;
      cursor: pointer;
      font-weight: 600;
      font-size: 0.98rem;
      color: var(--dm-text);
      background: var(--dm-white);
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
.faq-item-dm summary::-webkit-details-marker {
      display: none;
    }
.faq-item-dm summary::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      font-size: 0.85rem;
      color: var(--dm-primary);
      transition: transform 0.3s ease;
    }
.faq-item-dm[open] summary::after {
      transform: rotate(180deg);
    }
.faq-item-dm .faq-body {
      padding: 0 24px 18px;
      font-size: 0.93rem;
      color: var(--dm-text-light);
      line-height: 1.7;
    }
.btn-dm-submit {
      background: var(--dm-primary);
      color: #fff;
      border: none;
      border-radius: 6px;
      padding: 12px 32px;
      font-size: 1rem;
      font-weight: 600;
      transition: background 0.3s ease, transform 0.2s ease;
    }
.btn-dm-submit:hover {
      background: var(--dm-accent);
      transform: translateY(-2px);
    }

/* --- 子页面追加 --- */
/* 确保 Bootstrap 组件不破坏视觉一致性 */
        .form-control, .form-select {
            background: rgba(255, 251, 245, 0.8);
            border: 1px solid var(--dm-border);
            color: var(--dm-text);
        }
.form-control:focus, .form-select:focus {
            background: var(--dm-white);
            border-color: var(--dm-primary);
            box-shadow: 0 0 0 0.25rem rgba(234, 88, 12, 0.1);
            color: var(--dm-text);
        }
.form-label {
            color: var(--dm-text);
            font-weight: 600;
        }
.input-group-text {
            background: rgba(234, 88, 12, 0.08);
            border: 1px solid var(--dm-border);
            color: var(--dm-text);
        }
/* 额外微调 */
        .register-panel {
            background: var(--dm-white);
            border-radius: 16px;
            box-shadow: var(--dm-shadow-hover);
            border: 1px solid var(--dm-border);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
.register-panel:hover {
            box-shadow: 0 12px 28px rgba(234, 88, 12, 0.15);
        }
.benefit-icon {
            color: var(--dm-primary);
        }
.social-btn {
            border: 1px solid var(--dm-border);
            background: var(--dm-bg);
            color: var(--dm-text);
            transition: all 0.2s ease;
        }
.social-btn:hover {
            border-color: var(--dm-primary);
            background: rgba(234, 88, 12, 0.04);
            color: var(--dm-primary);
        }
/* 步骤条适配 */
        .step-item .step-number {
            background: var(--dm-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(234, 88, 12, 0.2);
        }

/* --- 子页面追加 --- */
/* 页面专属微调，保持整体风格 */
        .privacy-prose h2 {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--dm-primary);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            border-left: 4px solid var(--dm-accent);
            padding-left: 0.75rem;
        }
.privacy-prose h3 {
            font-weight: 600;
            font-size: 1.2rem;
            color: var(--dm-text);
            margin-top: 1.25rem;
            margin-bottom: 0.5rem;
        }
.privacy-prose p, .privacy-prose li {
            color: var(--dm-text-light);
            line-height: 1.7;
        }
.privacy-prose ul {
            padding-left: 1.2rem;
            list-style-type: disc;
        }
.privacy-prose strong {
            color: var(--dm-text);
        }
.privacy-badge {
            background: rgba(234, 88, 12, 0.08);
            color: var(--dm-primary);
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
.dm-card-soft {
            background: var(--dm-white);
            border: 1px solid var(--dm-border);
            border-radius: var(--dm-radius);
            padding: 1.5rem;
            box-shadow: var(--dm-shadow);
        }
.dm-updated {
            font-size: 0.9rem;
            color: var(--dm-text-light);
            border-bottom: 1px dashed var(--dm-border);
            padding-bottom: 1rem;
        }

/* --- 子页面追加 --- */
/* 本页专属微调 —— 仅补充，不覆盖全局变量 */
    .terms-hero {
      background: linear-gradient(135deg, rgba(234,88,12,0.06) 0%, rgba(217,119,6,0.02) 100%);
      border-bottom: 1px solid var(--dm-border);
    }
.terms-card {
      background: var(--dm-white);
      border: 1px solid var(--dm-border);
      border-radius: var(--dm-radius);
      box-shadow: var(--dm-shadow);
      padding: 2rem 1.5rem;
      height: 100%;
      transition: box-shadow .25s;
    }
.terms-card:hover {
      box-shadow: var(--dm-shadow-hover);
    }
.terms-card h3 {
      font-weight: 700;
      font-size: 1.2rem;
      color: var(--dm-primary);
      display: flex;
      align-items: center;
      gap: .5rem;
      margin-bottom: 1rem;
    }
.terms-card p, .terms-card li {
      color: var(--dm-text-light);
      font-size: .95rem;
      line-height: 1.7;
    }
.terms-list {
      padding-left: 1.2rem;
    }
.terms-list li {
      margin-bottom: .5rem;
    }
.highlight-badge {
      background: rgba(234,88,12,0.08);
      color: var(--dm-primary);
      border-radius: 30px;
      padding: .3rem .8rem;
      font-size: .8rem;
      font-weight: 600;
      display: inline-block;
    }
.dm-section-title {
      font-weight: 800;
      color: var(--dm-text);
      letter-spacing: -0.01em;
      position: relative;
      padding-bottom: .5rem;
    }
.dm-section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 60px;
      height: 3px;
      background: var(--dm-primary);
      border-radius: 4px;
    }
.footer-note a {
      color: var(--dm-primary);
      text-decoration: none;
      font-weight: 500;
    }
.footer-note a:hover {
      text-decoration: underline;
    }

/* --- 子页面追加 --- */
/* 页面级微调，保持与首页完全一致的视觉语言 */
        .disclaimer-hero {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.03) 0%, rgba(255, 251, 245, 1) 100%);
            border-bottom: 1px solid var(--dm-border);
            padding: 3rem 0 1.5rem;
        }
.disclaimer-section {
            background: var(--dm-white);
            border-radius: var(--dm-radius);
            box-shadow: var(--dm-shadow);
            padding: 1.8rem 2rem;
            margin-bottom: 1.8rem;
            border-left: 4px solid var(--dm-primary);
        }
.disclaimer-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dm-primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
.disclaimer-section h2 i {
            font-size: 1.3rem;
            color: var(--dm-accent);
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--dm-text-light);
            line-height: 1.8;
            font-size: 0.98rem;
        }
.disclaimer-section strong {
            color: var(--dm-text);
        }
.dm-legal-list {
            list-style: none;
            padding-left: 0;
        }
.dm-legal-list li {
            padding: 0.3rem 0 0.3rem 1.6rem;
            position: relative;
        }
.dm-legal-list li::before {
            content: "·";
            color: var(--dm-primary);
            font-weight: 900;
            position: absolute;
            left: 0.4rem;
            font-size: 1.4rem;
            line-height: 1;
        }
.btn-dm-back-home {
            background: var(--dm-primary);
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 500;
            transition: all .2s;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
.btn-dm-back-home:hover {
            background: var(--dm-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--dm-shadow-hover);
        }
.dm-updated-badge {
            background: rgba(234, 88, 12, 0.1);
            color: var(--dm-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            display: inline-block;
        }

/* --- 子页面追加 --- */
/* 确保所有组件与咚漫配色一致，覆盖 Bootstrap 默认白底 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
        .form-control, .form-select, .form-label, .input-group-text,
        .list-group-item, .accordion-item, .accordion-button, .accordion-body,
        .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item {
            background-color: var(--dm-bg) !important;
            color: var(--dm-text) !important;
            border-color: var(--dm-border) !important;
        }
.form-control::placeholder {
            color: var(--dm-text-light) !important;
            opacity: 0.7;
        }
.btn-dm-primary, .btn-dm-outline, .btn-dm-white, .btn-dm-ghost {
            border: none;
        }
/* 导航高亮当前页 */
        .nav-link-custom.active-link {
            color: var(--dm-primary) !important;
            font-weight: 600;
            border-bottom: 2px solid var(--dm-primary);
        }
.contact-info-item i {
            color: var(--dm-primary);
        }
.contact-form-section {
            background: var(--dm-bg);
            border-radius: var(--dm-radius);
            box-shadow: var(--dm-shadow);
        }
.social-badge {
            background: var(--dm-white);
            border: 1px solid var(--dm-border);
            color: var(--dm-text);
            transition: all .2s;
        }
.social-badge:hover {
            border-color: var(--dm-primary);
            color: var(--dm-primary);
            box-shadow: var(--dm-shadow-hover);
        }
/* 小标题品牌感 */
        .contact-h2 {
            font-weight: 700;
            color: var(--dm-text);
            border-left: 4px solid var(--dm-primary);
            padding-left: 12px;
        }
.contact-h2 i {
            color: var(--dm-accent);
            margin-right: 6px;
        }
.contact-grid {
                grid-template-columns: 1fr;
            }
.contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }