:root {
    --bg-light: #E8F4FD;
    --bg-lighter: #F5FAFE;
    --bg-blue: #F0F8FF;
    --primary: #5BA8E8;
    --primary-dark: #2B6CB0;
    --accent: #FF8A65;
    --mint: #4ECDC4;
    --text-main: #2D3748;
    --text-sub: #718096;
    --white: #FFFFFF;
    --border: #D0E8FA;
    --shadow-hover: 0 8px 24px rgba(91, 168, 232, 0.15);
    --radius: 12px;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
  }

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

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

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* 顶部导航 */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: box-shadow 0.3s;
  }

  .header.scrolled {
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  }

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

  .logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-dark);
  }

  .logo-area img {
    height: 32px;
    width: auto;
  }

  .nav-links {
    display: flex;
    gap: 28px;
  }

  .nav-links a {
    position: relative;
    font-size: 15px;
    color: var(--text-main);
    padding: 22px 0;
  }

  .nav-links a:hover, .nav-links a.active {
    color: var(--primary-dark);
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 16px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: width 0.2s;
  }

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

  .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .btn-outline {
    padding: 8px 16px;
    border: 1px solid var(--primary-dark);
    border-radius: 20px;
    color: var(--primary-dark);
    font-size: 14px;
    transition: all 0.3s;
  }

  .btn-outline:hover {
    background: var(--primary-dark);
    color: var(--white);
  }

  .btn-accent {
    padding: 8px 20px;
    background: var(--accent);
    color: var(--white);
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .btn-accent:hover {
    background: #E57350;
    transform: translateY(-1px);
  }

  .mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-dark);
    cursor: pointer;
  }

  /* 首屏 Hero */
  .hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #D0E8FA 100%);
    position: relative;
    min-height: 540px;
  }

  .hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }

  .hero-content {
    flex: 1;
    max-width: 600px;
  }

  .hero-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--white);
    color: var(--accent);
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(255, 138, 101, 0.2);
  }

  .hero-title {
    font-size: 48px;
    line-height: 1.2;
    color: var(--primary-dark);
    margin-bottom: 16px;
    letter-spacing: 2px;
  }

  .hero-subtitle {
    font-size: 18px;
    color: var(--text-sub);
    margin-bottom: 32px;
  }

  .hero-search {
    display: flex;
    background: var(--white);
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 4px 16px rgba(91, 168, 232, 0.1);
    margin-bottom: 20px;
  }

  .hero-search input {
    flex: 1;
    border: none;
    outline: none;
    padding: 10px 16px;
    font-size: 15px;
    background: transparent;
  }

  .hero-search button {
    padding: 10px 24px;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
  }

  .hot-words {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
  }

  .hot-word {
    padding: 4px 12px;
    background: rgba(255,255,255,0.7);
    border-radius: 16px;
    font-size: 13px;
    color: var(--text-sub);
    cursor: pointer;
    transition: all 0.2s;
  }

  .hot-word:hover {
    background: var(--white);
    color: var(--primary-dark);
  }

  .hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
  }

  .btn-large {
    padding: 12px 32px;
    border-radius: 24px;
    font-size: 16px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .btn-hero-cta {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(255, 138, 101, 0.3);
  }

  .btn-hero-cta:hover {
    background: #E57350;
    transform: translateY(-2px);
  }

  .btn-hero-sec {
    background: var(--white);
    color: var(--primary-dark);
    border: 1px solid var(--border);
  }

  .btn-hero-sec:hover {
    background: var(--primary-dark);
    color: var(--white);
  }

  .hero-note {
    font-size: 13px;
    color: var(--text-sub);
  }

  .hero-visual {
    flex: 0 0 40%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .book-stack {
    position: relative;
    width: 240px;
    height: 320px;
    transform: rotate(6deg);
  }

  .book-stack img {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    border: 4px solid var(--white);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    transition: opacity 0.5s ease-in-out;
  }

  .book-stack img:nth-child(1) { transform: translate(-15px, -15px) rotate(-4deg); z-index: 1; opacity: 0.8; }
  .book-stack img:nth-child(2) { transform: translate(15px, 15px) rotate(4deg); z-index: 1; opacity: 0.8; }
  .book-stack img:nth-child(3) { z-index: 2; opacity: 1; }

  /* 快捷入口 */
  .quick-entry {
    background: var(--white);
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
  }

  .entry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .entry-card {
    background: var(--bg-blue);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s;
    cursor: pointer;
  }

  .entry-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: var(--white);
    border: 1px solid var(--border);
  }

  .entry-info h4 {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 4px;
  }

  .entry-info p {
    font-size: 12px;
    color: var(--text-sub);
  }

  .entry-arrow {
    color: var(--primary);
    font-size: 18px;
  }

  /* 区块通用 */
  .section {
    padding: 56px 0;
  }

  .section-bg-blue {
    background: var(--bg-lighter);
  }

  .section-bg-light {
    background: var(--bg-blue);
  }

  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
  }

  .section-title-area {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-title {
    font-size: 28px;
    color: var(--text-main);
  }

  .section-sub {
    font-size: 14px;
    color: var(--text-sub);
    margin-top: 4px;
  }

  .link-more {
    font-size: 14px;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 4px;
  }

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

  /* 今日更新 */
  .scroll-list {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
  }
  
  .scroll-list::-webkit-scrollbar {
    height: 6px;
  }
  .scroll-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
  }

  .comic-card {
    flex: 0 0 180px;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid var(--border);
  }

  .comic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .comic-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    background: var(--bg-light);
  }

  .comic-cover img {
    width: 100%;
    height: 100%;
  }

  .comic-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--mint);
    color: var(--white);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
  }

  .comic-info {
    padding: 12px;
  }

  .comic-name {
    font-size: 15px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .comic-author {
    font-size: 12px;
    color: var(--text-sub);
    margin-bottom: 8px;
  }

  .comic-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-sub);
  }

  .tag {
    background: var(--bg-light);
    color: var(--primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
  }

  /* 热门榜单 */
  .rank-section-inner {
    display: flex;
    gap: 40px;
  }

  .rank-main {
    flex: 2;
  }

  .rank-side {
    flex: 1;
  }

  .tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
  }

  .tab {
    padding: 10px 4px;
    font-size: 16px;
    color: var(--text-sub);
    cursor: pointer;
    position: relative;
  }

  .tab.active {
    color: var(--accent);
    font-weight: bold;
  }

  .tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
  }

  .rank-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .rank-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--white);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s;
  }

  .rank-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateX(4px);
  }

  .rank-num {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-sub);
    width: 30px;
    text-align: center;
  }

  .rank-item:nth-child(1) .rank-num { color: var(--accent); font-size: 28px; }
  .rank-item:nth-child(2) .rank-num, .rank-item:nth-child(3) .rank-num { color: var(--primary-dark); }

  .rank-cover {
    width: 48px;
    height: 64px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
  }

  .rank-cover img {
    width: 100%;
    height: 100%;
  }

  .rank-detail {
    flex: 1;
    min-width: 0;
  }

  .rank-name {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .rank-desc {
    font-size: 12px;
    color: var(--text-sub);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
  }

  .rank-heat {
    font-size: 12px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .trend-up { color: var(--mint); font-size: 11px; }
  .trend-down { color: var(--text-sub); font-size: 11px; }

  .editor-pick {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-blue) 100%);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
  }

  .editor-pick-cover {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
  }

  .editor-pick-cover img {
    width: 100%;
    height: 100%;
  }

  .editor-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: var(--white);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
  }

  .editor-pick h3 {
    font-size: 20px;
    color: var(--text-main);
    margin-bottom: 8px;
  }

  .editor-pick p {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .editor-quote {
    font-size: 13px;
    color: var(--primary-dark);
    background: rgba(255,255,255,0.6);
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
  }

  /* 分类探索 */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
  }

  .category-card {
    background: linear-gradient(135deg, var(--bg-blue) 0%, var(--white) 100%);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
  }

  .category-card:hover {
    background: var(--white);
    border-left: 3px solid var(--accent);
    transform: translateX(4px);
    box-shadow: var(--shadow-hover);
  }

  .cat-icon {
    font-size: 24px;
  }

  .cat-info h4 {
    font-size: 16px;
    color: var(--text-main);
  }

  .cat-info p {
    font-size: 12px;
    color: var(--text-sub);
  }

  .editor-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .strip-card {
    display: flex;
    background: var(--white);
    border-radius: 12px;
    padding: 12px;
    gap: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
  }

  .strip-card:hover {
    box-shadow: var(--shadow-hover);
  }

  .strip-cover {
    width: 60px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
  }

  .strip-cover img {
    width: 100%;
    height: 100%;
  }

  .strip-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .strip-info h4 {
    font-size: 15px;
    color: var(--text-main);
    margin-bottom: 4px;
  }

  .strip-info p {
    font-size: 12px;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* 新作速递 */
  .new-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .new-card {
    display: flex;
    background: var(--white);
    border-radius: 12px;
    padding: 16px;
    gap: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s;
  }

  .new-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
  }

  .new-cover {
    width: 80px;
    height: 106px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
  }

  .new-cover img {
    width: 100%;
    height: 100%;
  }

  .new-info {
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .new-info h4 {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 4px;
  }

  .new-info .author {
    font-size: 12px;
    color: var(--text-sub);
    margin-bottom: 8px;
  }

  .new-info p {
    font-size: 13px;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
  }

  .new-tag {
    background: rgba(78, 205, 196, 0.1);
    color: var(--mint);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    align-self: flex-start;
  }

  /* 用户指引与 FAQ */
  .guide-section {
    background: linear-gradient(180deg, var(--bg-blue) 0%, var(--bg-light) 100%);
    padding: 64px 0;
  }

  .steps-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
  }

  .step-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
  }

  .step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .step-num {
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 80px;
    font-weight: 900;
    color: rgba(91, 168, 232, 0.08);
    font-family: "Arial", sans-serif;
  }

  .step-card h3 {
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }

  .step-card p {
    font-size: 14px;
    color: var(--text-sub);
    position: relative;
    z-index: 1;
  }

  .guide-quick {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
  }

  .quick-card {
    background: var(--white);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
    cursor: pointer;
  }

  .quick-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  }

  .quick-icon {
    font-size: 24px;
  }

  .quick-text h4 {
    font-size: 15px;
    color: var(--text-main);
  }

  .quick-text p {
    font-size: 12px;
    color: var(--text-sub);
  }

  /* FAQ */
  .faq-inner {
    display: flex;
    gap: 32px;
  }

  .faq-sidebar {
    flex: 0 0 200px;
  }

  .faq-sidebar h3 {
    font-size: 20px;
    color: var(--text-main);
    margin-bottom: 16px;
  }

  .faq-cat-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .faq-cat {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-sub);
    cursor: pointer;
    transition: all 0.2s;
  }

  .faq-cat:hover {
    background: var(--white);
  }

  .faq-cat.active {
    background: var(--white);
    color: var(--primary-dark);
    border-left: 3px solid var(--accent);
    font-weight: bold;
  }

  .faq-content {
    flex: 1;
  }

  .faq-header {
    margin-bottom: 24px;
  }

  .faq-header h2 {
    font-size: 24px;
    color: var(--text-main);
    margin-bottom: 8px;
  }

  .faq-header p {
    font-size: 14px;
    color: var(--text-sub);
  }

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .faq-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: all 0.3s;
  }

  .faq-item.active {
    border-color: var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  }

  .faq-q {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: bold;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    position: relative;
  }

  .faq-item.active .faq-q::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    background: var(--accent);
    border-radius: 0 4px 4px 0;
  }

  .faq-icon {
    font-size: 12px;
    color: var(--text-sub);
    transition: transform 0.3s;
  }

  .faq-item.active .faq-icon {
    transform: rotate(180deg);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
  }

  .faq-item.active .faq-a {
    max-height: 300px;
  }

  .faq-a-inner {
    padding: 0 20px 16px;
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
  }

  /* 下载专区 */
  .download-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1A4A7A 100%);
    padding: 64px 0;
    color: var(--white);
  }

  .download-inner {
    display: flex;
    gap: 48px;
    align-items: center;
  }

  .download-text {
    flex: 1;
  }

  .download-text h2 {
    font-size: 36px;
    margin-bottom: 16px;
  }

  .download-text .sub {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 32px;
  }

  .dl-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }

  .dl-feature span {
    font-size: 24px;
  }

  .dl-feature p {
    font-size: 15px;
    opacity: 0.9;
  }

  .dl-btns {
    display: flex;
    gap: 16px;
    margin-top: 32px;
  }

  .dl-btn {
    background: #000;
    color: var(--white);
    padding: 12px 24px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    transition: all 0.3s;
  }

  .dl-btn:hover {
    background: #222;
    transform: translateY(-2px);
  }

  .download-info {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
  }

  .info-block {
    margin-bottom: 24px;
  }

  .info-block:last-child {
    margin-bottom: 0;
  }

  .info-block h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--white);
  }

  .info-block p {
    font-size: 14px;
    opacity: 0.85;
    line-height: 1.8;
  }

  .divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin-bottom: 24px;
  }

  /* 页脚 */
  .footer {
    background: var(--bg-light);
    padding: 48px 0 24px;
    font-size: 14px;
    color: var(--text-sub);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer h4 {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 16px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-links a:hover {
    color: var(--primary-dark);
  }

  .footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
  }

  .footer-bottom-links {
    display: flex;
    gap: 16px;
  }

  .footer-note {
    font-size: 12px;
    color: var(--text-sub);
    margin-top: 12px;
    text-align: center;
    opacity: 0.7;
  }

  /* 移动端适配 */
  @media (max-width: 1024px) {
    .hero-title { font-size: 36px; }
    .rank-section-inner { flex-direction: column; }
    .editor-strip { grid-template-columns: repeat(2, 1fr); }
    .new-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    .nav-links, .header-actions .btn-outline { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero-inner { flex-direction: column; text-align: center; }
    .hero-title { font-size: 32px; }
    .hero-search { flex-direction: column; gap: 8px; background: transparent; box-shadow: none; }
    .hero-search input { background: var(--white); border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
    .hero-btns { flex-direction: column; }
    .hot-words { justify-content: center; }
    
    .entry-grid { grid-template-columns: repeat(2, 1fr); }
    
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-wrapper { grid-template-columns: 1fr; }
    .guide-quick { grid-template-columns: 1fr 1fr; }
    
    .faq-inner { flex-direction: column; }
    .faq-sidebar { flex: none; }
    .faq-cat-nav { flex-direction: row; overflow-x: auto; padding-bottom: 8px; }
    .faq-cat { white-space: nowrap; }
    
    .download-inner { flex-direction: column; }
    .dl-btns { flex-direction: column; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  }