/* ========================================
   91 修车改装视频社区 - 主样式文件
   bdjuff.cn | 原创设计
   ======================================== */

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

:root {
    --primary: #e8001c;
    --primary-dark: #b50016;
    --secondary: #1a1a2e;
    --accent: #ff6b35;
    --gold: #f0a500;
    --dark: #0d0d0d;
    --dark2: #141414;
    --dark3: #1e1e1e;
    --dark4: #252525;
    --gray: #888;
    --gray-light: #bbb;
    --white: #ffffff;
    --text: #e0e0e0;
    --text-dim: #999;
    --border: rgba(255,255,255,0.08);
    --card-bg: rgba(255,255,255,0.04);
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-red: 0 0 20px rgba(232,0,28,0.3);
    --transition: all 0.3s ease;
    --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* === 滚动条 === */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--dark2);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

/* === 通用容器 === */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 50px 0;
}

/* === 标题系统 === */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    position: relative;
}

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

.section-subtitle {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 40px;
}

.section-header {
    margin-bottom: 50px;
}

.section-header .divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 16px 0 20px;
    border-radius: 2px;
}

/* === 按钮 === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-red);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--gold);
    color: var(--dark);
}

.btn-gold:hover {
    background: #d4920a;
    color: var(--dark);
    transform: translateY(-2px);
}

/* === 标签 === */
.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-red { background: var(--primary); color: #fff; }
.tag-orange { background: var(--accent); color: #fff; }
.tag-gold { background: var(--gold); color: var(--dark); }
.tag-dark { background: var(--dark4); color: var(--gray-light); border: 1px solid var(--border); }

/* ========================================
   顶部公告栏
   ======================================== */
.top-bar {
    background: var(--primary);
    padding: 8px 0;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.9);
}

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

.top-bar-links a {
    color: rgba(255,255,255,0.85);
    margin-left: 16px;
    font-size: 0.82rem;
}

.top-bar-links a:hover {
    color: #fff;
}

/* ========================================
   头部导航
   ======================================== */
.site-header {
    background: rgba(13,13,13,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
}

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

.logo-name {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -1px;
    line-height: 1;
}

.logo-name span {
    color: var(--primary);
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--gray);
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.main-nav a {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: rgba(232,0,28,0.08);
}

/* 头部右侧 */
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

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

/* ========================================
   搜索框
   ======================================== */
.search-bar-wrap {
    background: var(--dark2);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.search-bar-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 700px;
    margin: 0 auto;
}

.search-input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 0 20px;
    transition: var(--transition);
}

.search-input-wrap:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(232,0,28,0.1);
}

.search-icon {
    color: var(--gray);
    font-size: 1rem;
    margin-right: 10px;
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 0.9rem;
    padding: 10px 0;
    font-family: var(--font-main);
}

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

.search-btn {
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 0.88rem;
}

.search-hot-tags {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    max-width: 700px;
    margin: 8px auto 0;
    font-size: 0.8rem;
    color: var(--gray);
}

.search-hot-tags span {
    color: var(--gray);
}

.search-hot-tags a {
    color: var(--text-dim);
    padding: 2px 8px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.78rem;
    transition: var(--transition);
}

.search-hot-tags a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ========================================
   Hero Banner
   ======================================== */
.qro1di2 {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.uzma4 {
    position: absolute;
    inset: 0;
    background-image: url('../images/banner.jpg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.uzma4::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13,13,13,0.92) 0%,
        rgba(13,13,13,0.7) 50%,
        rgba(13,13,13,0.4) 100%
    );
}

.w7q3wyt {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.ihu4csa3 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232,0,28,0.15);
    border: 1px solid rgba(232,0,28,0.4);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.ihu4csa3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.djpwd {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.djpwd .highlight {
    color: var(--primary);
    position: relative;
}

.x8fhoj9 {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 32px;
    max-width: 560px;
    line-height: 1.8;
}

.mbwwvyag {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.fe06vj6 {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.nixqd4 {
    text-align: center;
}

.nixqd4 .num {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.nixqd4 .label {
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 4px;
}

/* ========================================
   视频卡片
   ======================================== */
.hvlr4em {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.pyhrcvqt {
    grid-template-columns: repeat(4, 1fr);
}

.w6y3y {
    grid-template-columns: repeat(3, 1fr);
}

.noods32c {
    background: var(--dark3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.noods32c:hover {
    transform: translateY(-6px);
    border-color: rgba(232,0,28,0.3);
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}

.i5hmoz {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--dark4);
}

.i5hmoz img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.noods32c:hover .i5hmoz img {
    transform: scale(1.06);
}

.wfosukx {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    transition: var(--transition);
}

.noods32c:hover .wfosukx {
    opacity: 1;
}

.cfs5wpoo {
    width: 60px;
    height: 60px;
    background: rgba(232,0,28,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: var(--transition);
    box-shadow: 0 0 30px rgba(232,0,28,0.5);
}

.noods32c:hover .cfs5wpoo {
    transform: scale(1);
}

.cfs5wpoo svg {
    width: 24px;
    height: 24px;
    fill: white;
    margin-left: 4px;
}

.q4oa8 {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.lufypn {
    position: absolute;
    top: 8px;
    left: 8px;
}

.l5e8la {
    padding: 14px 16px;
}

.j2yszik {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kj8wa11 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--gray);
}

.cvuouv {
    display: flex;
    gap: 12px;
}

.g33q5 {
    display: flex;
    align-items: center;
    gap: 4px;
}

.siwex97 {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.qg8ehki6 {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: #fff;
    font-weight: 700;
    flex-shrink: 0;
}

/* ========================================
   功能模块卡片
   ======================================== */
.ylmhc {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.ylmhc:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(232,0,28,0.25);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.tcv8h {
    width: 52px;
    height: 52px;
    background: rgba(232,0,28,0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    border: 1px solid rgba(232,0,28,0.2);
}

.ak6kc5jh {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.dm22oey {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ========================================
   专家卡片
   ======================================== */
.jxepg29t {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.jxepg29t:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(232,0,28,0.3);
}

.rsmecbaz {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: top;
}

.c80c91v5 {
    padding: 20px;
}

.ynh7v2g {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.ow6b5 {
    font-size: 0.82rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.wgu3ar {
    font-size: 0.83rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 14px;
}

.w5aahox {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.awrfnau {
    display: flex;
    gap: 8px;
}

.awrfnau .btn {
    flex: 1;
    justify-content: center;
    padding: 8px 12px;
    font-size: 0.8rem;
}

/* ========================================
   评价卡片
   ======================================== */
.xab67jkn {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.xab67jkn:hover {
    border-color: rgba(232,0,28,0.2);
    box-shadow: var(--shadow);
}

.lo5sve {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.sjh3tc8 {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.tcuufr9 .name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--white);
}

.tcuufr9 .meta {
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 2px;
}

.stars {
    color: var(--gold);
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.f80zk {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ========================================
   FAQ
   ======================================== */
.d4l2j7m {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.d4l2j7m.active {
    border-color: rgba(232,0,28,0.3);
}

.q6lmd {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background: var(--dark3);
    transition: var(--transition);
}

.q6lmd:hover {
    background: var(--dark4);
}

.zxr6ae {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    flex: 1;
}

.wulp1 {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(232,0,28,0.1);
    border: 1px solid rgba(232,0,28,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.d4l2j7m.active .wulp1 {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.lpg9n {
    display: none;
    padding: 16px 20px;
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.8;
    background: var(--dark2);
    border-top: 1px solid var(--border);
}

.d4l2j7m.active .lpg9n {
    display: block;
}

/* ========================================
   合作品牌Logo墙
   ======================================== */
.wiwn4hf {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.khr9ms {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    transition: var(--transition);
}

.khr9ms:hover {
    border-color: var(--primary);
    background: rgba(232,0,28,0.05);
    transform: translateY(-3px);
}

.khr9ms span {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gray);
    letter-spacing: 1px;
    transition: var(--transition);
}

.khr9ms:hover span {
    color: var(--white);
}

/* ========================================
   联系信息
   ======================================== */
.put3v5 {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.xz9of {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.xz9of:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.m4uk4d {
    width: 40px;
    height: 40px;
    background: rgba(232,0,28,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    border: 1px solid rgba(232,0,28,0.2);
}

.oirbtyj5 {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 4px;
}

.l5ykw {
    font-size: 0.95rem;
    color: var(--white);
    font-weight: 500;
}

/* ========================================
   二维码
   ======================================== */
.d4r36l3 {
    text-align: center;
}

.j4vykuh {
    width: 140px;
    height: 140px;
    background: var(--white);
    border-radius: var(--radius);
    margin: 0 auto 10px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.j4vykuh svg {
    width: 100%;
    height: 100%;
}

.gh2y03 {
    font-size: 0.82rem;
    color: var(--gray);
}

/* ========================================
   社区模块
   ======================================== */
.g2rxgzms {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.yiysf0 {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.yiysf0:hover {
    transform: translateY(-4px);
    border-color: rgba(232,0,28,0.3);
    box-shadow: var(--shadow);
}

.bp20n {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.ymh34df3 {
    padding: 18px;
}

.r5n0o {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
}

.i2v7baw {
    font-size: 0.83rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 12px;
}

.w2gc614k {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--gray);
}

/* ========================================
   AI赋能模块
   ======================================== */
.azcad6u {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.snen3ag {
    background: linear-gradient(135deg, var(--dark3), var(--dark4));
    border: 1px solid rgba(232,0,28,0.15);
    border-radius: var(--radius-lg);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.snen3ag::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.snen3ag:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(232,0,28,0.15);
    border-color: rgba(232,0,28,0.3);
}

.xnqo0gpj {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.bnxpd {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.a7kprq {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.7;
}

.z116lqya {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(232,0,28,0.15);
    border: 1px solid rgba(232,0,28,0.3);
    color: var(--primary);
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 20px;
    font-weight: 600;
}

/* ========================================
   统计数据横幅
   ======================================== */
.ci0s0u {
    background: linear-gradient(135deg, var(--primary) 0%, #8b0000 100%);
    padding: 50px 0;
}

.wg6ylvpy {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.ynv92 .num {
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
}

.ynv92 .label {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.75);
}

/* ========================================
   面包屑
   ======================================== */
.breadcrumb {
    padding: 14px 0;
    font-size: 0.82rem;
    color: var(--gray);
    border-bottom: 1px solid var(--border);
    background: var(--dark2);
}

.breadcrumb ol {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    color: var(--gray);
}

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

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

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

/* ========================================
   页脚
   ======================================== */
.site-footer {
    background: var(--dark2);
    border-top: 1px solid var(--border);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand .logo-name {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-btn {
    width: 36px;
    height: 36px;
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 0.85rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: '›';
    color: var(--primary);
}

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

.footer-qrcodes {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--gray);
}

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

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

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

/* ========================================
   分享按钮
   ======================================== */
.ec205g1 {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.l2dct2 {
    font-size: 0.85rem;
    color: var(--gray);
}

.nigv3o8 {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    color: #fff;
}

.y53al340 { background: #07c160; }
.z2kncicw { background: #e6162d; }
.u4duuvh { background: #000; border: 1px solid #333; }
.a7m25nh { background: #00a1d6; }
.ued7d2l { background: #1d7fde; }

.nigv3o8:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

/* ========================================
   页面加载动画
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   视频播放器模态框
   ======================================== */
.k6xvc1bt {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.k6xvc1bt.active {
    display: flex;
}

.jo4ld {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: var(--dark2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.koq7fril {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: rgba(0,0,0,0.6);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.koq7fril:hover {
    background: var(--primary);
}

.tglcdh {
    aspect-ratio: 16/9;
    background: #000;
}

.tglcdh video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
    .pyhrcvqt {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .section { padding: 60px 0; }
    .pyhrcvqt, .w6y3y {
        grid-template-columns: repeat(2, 1fr);
    }
    .azcad6u {
        grid-template-columns: repeat(2, 1fr);
    }
    .g2rxgzms {
        grid-template-columns: repeat(2, 1fr);
    }
    .wg6ylvpy {
        grid-template-columns: repeat(2, 1fr);
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark2);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border);
        gap: 4px;
    }
    .main-nav.open {
        display: flex;
    }
    .hamburger {
        display: flex;
    }
    .site-header {
        position: relative;
    }
}

@media (max-width: 768px) {
    .section { padding: 50px 0; }
    .qro1di2 { min-height: 480px; }
    .djpwd { font-size: 1.8rem; }
    .pyhrcvqt, .w6y3y, .hvlr4em {
        grid-template-columns: repeat(2, 1fr);
    }
    .azcad6u {
        grid-template-columns: 1fr;
    }
    .g2rxgzms {
        grid-template-columns: 1fr;
    }
    .wg6ylvpy {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    .fe06vj6 {
        gap: 20px;
    }
    .nixqd4 .num {
        font-size: 1.4rem;
    }
    .top-bar .container {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .pyhrcvqt, .w6y3y, .hvlr4em {
        grid-template-columns: 1fr;
    }
    .mbwwvyag {
        flex-direction: column;
    }
    .mbwwvyag .btn {
        width: 100%;
        justify-content: center;
    }
    .section-title {
        font-size: 1.5rem;
    }
}

/* ========================================
   工具类
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-gold { color: var(--gold); }
.text-gray { color: var(--gray); }
.text-white { color: var(--white); }
.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; }
.mb-32 { margin-bottom: 32px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.bg-dark2 { background: var(--dark2); }
.bg-dark3 { background: var(--dark3); }
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.border { border: 1px solid var(--border); }
.p-24 { padding: 24px; }
.p-28 { padding: 28px; }
.w-full { width: 100%; }