/* =============================================
   足球直播 - 主样式文件
   geofftools.com
   ============================================= */

/* CSS变量 - 原创配色方案 */
:root {
    --primary: #0d6b3a;
    --primary-dark: #094d2a;
    --primary-light: #1a9a52;
    --accent: #f5a623;
    --accent-dark: #d4891a;
    --red: #e63946;
    --dark: #0f1923;
    --dark-2: #1a2535;
    --dark-3: #243040;
    --gray: #6b7a8d;
    --gray-light: #a8b5c3;
    --light: #f0f4f8;
    --white: #ffffff;
    --gradient-hero: linear-gradient(135deg, #0d1f2d 0%, #0d6b3a 50%, #1a4a1a 100%);
    --gradient-card: linear-gradient(180deg, rgba(13,107,58,0.1) 0%, rgba(13,31,45,0.95) 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.25);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.35);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置与基础样式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    background-color: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* =============================================
   顶部公告栏
   ============================================= */
.top-bar {
    background: var(--primary-dark);
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px solid rgba(245,166,35,0.3);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-notice {
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-notice .dot {
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.top-bar-links {
    display: flex;
    gap: 16px;
    color: var(--gray-light);
}

.top-bar-links a:hover {
    color: var(--accent);
}

/* =============================================
   导航栏
   ============================================= */
.header {
    background: var(--dark-2);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
    border-bottom: 2px solid var(--primary);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .brand {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
    line-height: 1.2;
}

.logo-text .brand span {
    color: var(--accent);
}

.logo-text .sub {
    font-size: 11px;
    color: var(--gray-light);
    letter-spacing: 2px;
}

/* 主导航 */
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav a {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-light);
    white-space: nowrap;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--white);
    background: rgba(13,107,58,0.3);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-live-badge {
    background: var(--red);
    color: white;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 3px;
    margin-left: 4px;
    animation: pulse 1.5s infinite;
    font-weight: 700;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* =============================================
   搜索框
   ============================================= */
.search-bar-wrapper {
    background: var(--dark-3);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.search-bar {
    display: flex;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(13,107,58,0.4);
    border-radius: 30px;
    overflow: hidden;
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(13,107,58,0.2);
}

.search-bar input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    padding: 10px 20px;
    color: var(--white);
    font-size: 14px;
    font-family: inherit;
}

.search-bar input::placeholder {
    color: var(--gray);
}

.search-bar button {
    background: var(--primary);
    border: none;
    padding: 10px 22px;
    color: var(--white);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-bar button:hover {
    background: var(--primary-light);
}

/* =============================================
   容器
   ============================================= */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =============================================
   Hero区域
   ============================================= */
.hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(13,31,45,0.95) 40%, rgba(13,31,45,0.3) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 620px;
    padding: 60px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245,166,35,0.15);
    border: 1px solid rgba(245,166,35,0.4);
    color: var(--accent);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-badge .live-dot {
    width: 7px;
    height: 7px;
    background: var(--red);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--white);
}

.hero h1 .highlight {
    color: var(--accent);
    display: block;
}

.hero-desc {
    font-size: 16px;
    color: var(--gray-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 13px 28px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 700;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13,107,58,0.4);
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--dark);
    padding: 13px 28px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 700;
    border: 2px solid var(--accent);
    cursor: pointer;
    transition: var(--transition);
}

.btn-accent:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,166,35,0.4);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--white);
    padding: 11px 26px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

/* 统计数字 */
.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 26px;
    font-weight: 900;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-size: 12px;
    color: var(--gray-light);
    margin-top: 2px;
}

/* =============================================
   区块标题
   ============================================= */
.section {
    padding: 60px 0;
}

.section-alt {
    background: var(--dark-2);
}

.section-header {
    text-align: center;
    margin-bottom: 44px;
}

.section-tag {
    display: inline-block;
    background: rgba(13,107,58,0.2);
    color: var(--primary-light);
    border: 1px solid rgba(13,107,58,0.4);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(22px, 3.5vw, 34px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.section-title span {
    color: var(--accent);
}

.section-desc {
    font-size: 15px;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* =============================================
   视频卡片
   ============================================= */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.video-grid-featured {
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
}

.video-card {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    border: 1px solid rgba(255,255,255,0.06);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(13,107,58,0.4);
}

.video-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--dark-3);
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.06);
}

.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.35);
    opacity: 0;
    transition: var(--transition);
}

.video-card:hover .video-play-btn {
    opacity: 1;
}

.play-circle {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.85);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.video-card:hover .play-circle {
    transform: scale(1);
}

.play-circle::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent var(--primary);
    margin-left: 4px;
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: white;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 600;
}

.video-live-tag {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--red);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-live-tag::before {
    content: '';
    width: 5px;
    height: 5px;
    background: white;
    border-radius: 50%;
    animation: pulse 1s infinite;
}

.video-info {
    padding: 14px;
}

.video-category {
    font-size: 11px;
    color: var(--primary-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.video-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--gray);
}

.video-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* 特色视频卡片 */
.video-card.featured {
    grid-column: 1;
    grid-row: 1 / 3;
}

.video-card.featured .video-thumb {
    aspect-ratio: 4/3;
}

.video-card.featured .video-title {
    font-size: 17px;
}

/* =============================================
   内容卡片
   ============================================= */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.card {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(13,107,58,0.3);
}

.card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.card:hover .card-img img {
    transform: scale(1.05);
}

.card-body {
    padding: 16px;
}

.card-tag {
    display: inline-block;
    background: rgba(13,107,58,0.2);
    color: var(--primary-light);
    font-size: 11px;
    padding: 2px 9px;
    border-radius: 3px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
}

.card-text {
    font-size: 13px;
    color: var(--gray-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =============================================
   专家展示
   ============================================= */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.expert-card {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.expert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(245,166,35,0.3);
}

.expert-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 14px;
    border: 3px solid var(--primary);
    overflow: hidden;
    background: var(--dark-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.expert-name {
    font-size: 16px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 4px;
}

.expert-role {
    font-size: 12px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
}

.expert-desc {
    font-size: 12px;
    color: var(--gray-light);
    line-height: 1.6;
    margin-bottom: 14px;
}

.expert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
    margin-bottom: 14px;
}

.expert-tag {
    background: rgba(13,107,58,0.2);
    color: var(--primary-light);
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 3px;
}

.expert-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid;
}

.btn-sm-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-sm-primary:hover {
    background: var(--primary-light);
}

.btn-sm-outline {
    background: transparent;
    color: var(--gray-light);
    border-color: rgba(255,255,255,0.2);
}

.btn-sm-outline:hover {
    color: var(--white);
    border-color: var(--white);
}

/* =============================================
   评论区
   ============================================= */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.review-card {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 48px;
    color: rgba(13,107,58,0.2);
    font-family: Georgia, serif;
    line-height: 1;
}

.review-card:hover {
    border-color: rgba(13,107,58,0.3);
    box-shadow: var(--shadow-sm);
}

.review-stars {
    color: var(--accent);
    font-size: 14px;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 13px;
    color: var(--gray-light);
    line-height: 1.7;
    margin-bottom: 14px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.review-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.review-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--white);
}

.review-date {
    font-size: 11px;
    color: var(--gray);
}

/* =============================================
   FAQ
   ============================================= */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    border: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.open {
    border-color: rgba(13,107,58,0.4);
}

.faq-question {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    gap: 12px;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(13,107,58,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
    font-size: 16px;
    color: var(--primary-light);
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: white;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 20px 18px;
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.7;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 14px;
}

/* =============================================
   合作品牌Logo墙
   ============================================= */
.partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.partner-logo {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-light);
    transition: var(--transition);
    min-width: 120px;
    text-align: center;
}

.partner-logo:hover {
    color: var(--white);
    border-color: rgba(13,107,58,0.4);
    background: rgba(13,107,58,0.1);
}

/* =============================================
   社区功能
   ============================================= */
.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.feature-item {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-3px);
    border-color: rgba(13,107,58,0.4);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
    display: block;
}

.feature-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 12px;
    color: var(--gray-light);
    line-height: 1.6;
}

/* =============================================
   联系我们
   ============================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.contact-info {
    background: var(--dark-2);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.06);
}

.contact-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--gray-light);
}

.contact-item-icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.contact-item strong {
    color: var(--white);
    display: block;
    margin-bottom: 2px;
}

/* 二维码 */
.qr-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.qr-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.qr-code {
    width: 110px;
    height: 110px;
    background: white;
    border-radius: var(--radius-sm);
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.qr-code canvas {
    width: 100%;
    height: 100%;
}

.qr-label {
    font-size: 12px;
    color: var(--gray-light);
}

/* =============================================
   分享按钮
   ============================================= */
.share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.share-wechat { background: #07c160; color: white; }
.share-weibo { background: #e6162d; color: white; }
.share-douyin { background: #010101; color: white; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; color: white; }
.share-qq { background: #12b7f5; color: white; }

.share-btn:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

/* =============================================
   页脚
   ============================================= */
.footer {
    background: var(--dark-2);
    border-top: 2px solid var(--primary);
    padding: 50px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    font-size: 13px;
    color: var(--gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--gray);
}

.footer-bottom a {
    color: var(--gray);
}

.footer-bottom a:hover {
    color: var(--accent);
}

.update-time {
    color: var(--primary-light);
    font-weight: 600;
}

/* =============================================
   面包屑
   ============================================= */
.breadcrumb {
    background: var(--dark-3);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray);
    flex-wrap: wrap;
}

.breadcrumb-list a {
    color: var(--gray);
}

.breadcrumb-list a:hover {
    color: var(--accent);
}

.breadcrumb-list .sep {
    color: rgba(255,255,255,0.2);
}

.breadcrumb-list .current {
    color: var(--white);
}

/* =============================================
   内页Hero
   ============================================= */
.page-hero {
    background: linear-gradient(135deg, var(--dark-2) 0%, var(--primary-dark) 100%);
    padding: 48px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.page-hero h1 {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 10px;
}

.page-hero p {
    font-size: 15px;
    color: var(--gray-light);
    max-width: 600px;
    line-height: 1.7;
}

/* =============================================
   标签云
   ============================================= */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(13,107,58,0.15);
    border: 1px solid rgba(13,107,58,0.3);
    color: var(--primary-light);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tag:hover, .tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* =============================================
   直播列表
   ============================================= */
.live-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.live-item {
    background: var(--dark-2);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
    cursor: pointer;
}

.live-item:hover {
    border-color: rgba(13,107,58,0.4);
    background: rgba(13,107,58,0.05);
}

.live-status {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.live-status.live {
    background: rgba(230,57,70,0.2);
    border: 2px solid var(--red);
}

.live-status.upcoming {
    background: rgba(245,166,35,0.2);
    border: 2px solid var(--accent);
}

.live-status.ended {
    background: rgba(107,122,141,0.2);
    border: 2px solid var(--gray);
}

.live-info {
    flex: 1;
}

.live-match {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.live-meta {
    font-size: 12px;
    color: var(--gray);
    display: flex;
    gap: 12px;
}

.live-score {
    font-size: 20px;
    font-weight: 900;
    color: var(--accent);
    flex-shrink: 0;
}

.live-viewers {
    font-size: 12px;
    color: var(--red);
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

/* =============================================
   弹幕效果
   ============================================= */
.danmu-container {
    background: rgba(0,0,0,0.5);
    border-radius: var(--radius-md);
    padding: 16px;
    height: 120px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.06);
}

.danmu-item {
    position: absolute;
    white-space: nowrap;
    font-size: 13px;
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    animation: danmu-scroll 8s linear forwards;
}

@keyframes danmu-scroll {
    from { right: -200px; }
    to { right: 100%; }
}

/* =============================================
   动画
   ============================================= */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* =============================================
   滚动条
   ============================================= */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* =============================================
   响应式
   ============================================= */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .video-grid-featured {
        grid-template-columns: 1fr 1fr;
    }
    .video-card.featured {
        grid-column: 1 / 3;
        grid-row: auto;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-2);
        flex-direction: column;
        padding: 16px;
        border-top: 1px solid rgba(255,255,255,0.06);
        z-index: 999;
        gap: 4px;
    }
    .main-nav.open {
        display: flex;
    }
    .main-nav a {
        padding: 10px 14px;
        width: 100%;
    }
    .hero-stats {
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .video-grid-featured {
        grid-template-columns: 1fr;
    }
    .video-card.featured {
        grid-column: auto;
    }
    .top-bar .container {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn-primary, .btn-accent, .btn-outline {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 40px 0;
    }
    .hero {
        min-height: 420px;
    }
    .hero-content {
        padding: 40px 0;
    }
    .expert-grid {
        grid-template-columns: 1fr 1fr;
    }
    .review-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   实用工具类
   ============================================= */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary-light); }
.text-gray { color: var(--gray-light); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.w-100 { width: 100%; }
.hidden { display: none; }

/* 懒加载占位 */
img[data-src] {
    background: var(--dark-3);
    min-height: 100px;
}