/* ========================================
   91 修车改装视频社区 - 主样式文件
   bdtahd.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
   ======================================== */
.ih6rcks {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.nrj4i {
    position: absolute;
    inset: 0;
    background-image: url('../images/banner.jpg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.nrj4i::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%
    );
}

.jhe5u3 {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.c7rnabr7 {
    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;
}

.c7rnabr7::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); }
}

.mo66ss {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.mo66ss .highlight {
    color: var(--primary);
    position: relative;
}

.v2e0qdg {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 32px;
    max-width: 560px;
    line-height: 1.8;
}

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

.j4bqy {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.qaqhveya {
    text-align: center;
}

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

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

/* ========================================
   视频卡片
   ======================================== */
.sva91 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.jpyfs3tz {
    grid-template-columns: repeat(4, 1fr);
}

.gair8lt {
    grid-template-columns: repeat(3, 1fr);
}

.ifao6ha {
    background: var(--dark3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.ifao6ha:hover {
    transform: translateY(-6px);
    border-color: rgba(232,0,28,0.3);
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}

.brmlj0 {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--dark4);
}

.brmlj0 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ifao6ha:hover .brmlj0 img {
    transform: scale(1.06);
}

.mlox9 {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    transition: var(--transition);
}

.ifao6ha:hover .mlox9 {
    opacity: 1;
}

.xdst2q {
    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);
}

.ifao6ha:hover .xdst2q {
    transform: scale(1);
}

.xdst2q svg {
    width: 24px;
    height: 24px;
    fill: white;
    margin-left: 4px;
}

.lau1l2 {
    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;
}

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

.czg4pzv {
    padding: 14px 16px;
}

.hi3ue {
    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;
}

.g5h2yl2o {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--gray);
}

.ti8idme {
    display: flex;
    gap: 12px;
}

.zxi7l {
    display: flex;
    align-items: center;
    gap: 4px;
}

.xlt18 {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.nnepvet {
    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
   ======================================== */
.pqd1c {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.pqd1c:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(232,0,28,0.25);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.wg47z {
    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);
}

.ou167 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.wfq3mce {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ========================================
   专家卡片
   ======================================== */
.rmo2fji {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.rmo2fji:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(232,0,28,0.3);
}

.kdyjb6j {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: top;
}

.kb3sre {
    padding: 20px;
}

.hfs3w1 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.p02kq0up {
    font-size: 0.82rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.dvubjl6 {
    font-size: 0.83rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 14px;
}

.tf4vbpp {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.vu696 {
    display: flex;
    gap: 8px;
}

.vu696 .btn {
    flex: 1;
    justify-content: center;
    padding: 8px 12px;
    font-size: 0.8rem;
}

/* ========================================
   评价卡片
   ======================================== */
.tm0qa3pg {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.tm0qa3pg:hover {
    border-color: rgba(232,0,28,0.2);
    box-shadow: var(--shadow);
}

.j9l3s {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.p1xdf {
    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;
}

.dd12e5eh .name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--white);
}

.dd12e5eh .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;
}

.ka21kt {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ========================================
   FAQ
   ======================================== */
.as19kum {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.as19kum.active {
    border-color: rgba(232,0,28,0.3);
}

.tijia3 {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background: var(--dark3);
    transition: var(--transition);
}

.tijia3:hover {
    background: var(--dark4);
}

.hldp8 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    flex: 1;
}

.hk3ddr {
    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);
}

.as19kum.active .hk3ddr {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.f23yy {
    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);
}

.as19kum.active .f23yy {
    display: block;
}

/* ========================================
   合作品牌Logo墙
   ======================================== */
.tkd44 {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.uayawk {
    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);
}

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

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

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

/* ========================================
   联系信息
   ======================================== */
.sxg1mz {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.nxlqqv5e {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.nxlqqv5e:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.f4px2ur7 {
    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);
}

.p2mlhl {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 4px;
}

.japt642a {
    font-size: 0.95rem;
    color: var(--white);
    font-weight: 500;
}

/* ========================================
   二维码
   ======================================== */
.nes3lf {
    text-align: center;
}

.xvpdp6g {
    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;
}

.xvpdp6g svg {
    width: 100%;
    height: 100%;
}

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

/* ========================================
   社区模块
   ======================================== */
.ysb0v0f {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.pmuttdz0 {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.pmuttdz0:hover {
    transform: translateY(-4px);
    border-color: rgba(232,0,28,0.3);
    box-shadow: var(--shadow);
}

.p1xocml7 {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.wqqm0uz {
    padding: 18px;
}

.a7jt4hj {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
}

.ng2be7v8 {
    font-size: 0.83rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 12px;
}

.t7oxco {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--gray);
}

/* ========================================
   AI赋能模块
   ======================================== */
.ok4la {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.avaf0l {
    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);
}

.avaf0l::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.avaf0l:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(232,0,28,0.15);
    border-color: rgba(232,0,28,0.3);
}

.f8z1cru {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

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

.qwht2iac {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.7;
}

.h4nm8r {
    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
   ======================================== */
.agcfmbgt {
    background: linear-gradient(135deg, var(--primary) 0%, #8b0000 100%);
    padding: 50px 0;
}

.redub0 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.p55c3 .num {
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
}

.p55c3 .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
   ======================================== */
.l1bmuq {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.uyuz2o {
    font-size: 0.85rem;
    color: var(--gray);
}

.meu2fi4 {
    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;
}

.fi3ee { background: #07c160; }
.itmf3ua { background: #e6162d; }
.fgkdx5r { background: #000; border: 1px solid #333; }
.q6xj13 { background: #00a1d6; }
.ytpgz { background: #1d7fde; }

.meu2fi4: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
   ======================================== */
.c6hnk6 {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.c6hnk6.active {
    display: flex;
}

.t45p0 {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: var(--dark2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.zfql9pp {
    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);
}

.zfql9pp:hover {
    background: var(--primary);
}

.ep0jiv {
    aspect-ratio: 16/9;
    background: #000;
}

.ep0jiv video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
    .jpyfs3tz {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .section { padding: 60px 0; }
    .jpyfs3tz, .gair8lt {
        grid-template-columns: repeat(2, 1fr);
    }
    .ok4la {
        grid-template-columns: repeat(2, 1fr);
    }
    .ysb0v0f {
        grid-template-columns: repeat(2, 1fr);
    }
    .redub0 {
        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; }
    .ih6rcks { min-height: 480px; }
    .mo66ss { font-size: 1.8rem; }
    .jpyfs3tz, .gair8lt, .sva91 {
        grid-template-columns: repeat(2, 1fr);
    }
    .ok4la {
        grid-template-columns: 1fr;
    }
    .ysb0v0f {
        grid-template-columns: 1fr;
    }
    .redub0 {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    .j4bqy {
        gap: 20px;
    }
    .qaqhveya .num {
        font-size: 1.4rem;
    }
    .top-bar .container {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .jpyfs3tz, .gair8lt, .sva91 {
        grid-template-columns: 1fr;
    }
    .deuuyfg {
        flex-direction: column;
    }
    .deuuyfg .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%; }