/* ===== 成欢阁 - 中式红楼金阁主题 ===== */
:root {
    --cinnabar-red: #B82601;
    --deep-red: #8B0A0A;
    --vermilion: #C0392B;
    --palace-gold: #D4AF37;
    --royal-gold: #F4D03F;
    --light-gold: #F7DC6F;
    --ink-black: #1C1C1C;
    --deep-black: #0E0B0C;
    --rose-wood: #5C2D2A;
    --ivory: #FAF5E6;
    --paper-white: #FBF7ED;
    --caramel: #8B6914;
    --silk-purple: #5D2D58;
    --text-gold: #E8C96E;
    --text-dark: #3E2723;
    --text-ivory: #EADFC4;
    --border-gold: rgba(212, 175, 55, 0.45);
    --shadow-red: rgba(184, 38, 1, 0.35);
    --shadow-gold: rgba(212, 175, 55, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "Songti SC", "STSong", "SimSun", "PingFang SC", "Microsoft YaHei", serif;
    background: var(--deep-black);
    color: var(--text-ivory);
    line-height: 1.8;
    overflow-x: hidden;
    position: relative;
}

/* 背景祥云暗纹 */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(184, 38, 1, 0.18) 0%, transparent 55%),
        radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.12) 0%, transparent 55%);
    z-index: 0;
    pointer-events: none;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== 朱红漆金牌匾Logo ===== */
.ch-plaque {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--deep-red) 0%, var(--cinnabar-red) 100%);
    border: 3px solid var(--palace-gold);
    border-radius: 8px;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.4), 0 6px 20px rgba(0,0,0,0.5);
}
.ch-plaque::before, .ch-plaque::after {
    content: "❖";
    color: var(--royal-gold);
    font-size: 12px;
}
.ch-lantern {
    width: 40px;
    height: 48px;
    position: relative;
    display: inline-block;
}
.ch-lantern::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background: var(--palace-gold);
}
.ch-lantern::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    width: 40px;
    height: 36px;
    background: radial-gradient(circle at 30% 40%, var(--vermilion) 0%, var(--deep-red) 100%);
    border-radius: 50% / 55%;
    border: 2px solid var(--palace-gold);
    box-shadow: 0 0 18px rgba(184, 38, 1, 0.6);
}
.ch-lantern .tassel {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 12px;
    background: linear-gradient(180deg, var(--royal-gold) 0%, var(--caramel) 100%);
    border-radius: 0 0 3px 3px;
}

/* ===== 顶部 ===== */
.ch-header {
    background: linear-gradient(180deg, var(--ink-black) 0%, var(--deep-black) 100%);
    border-bottom: 2px solid var(--palace-gold);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 24px rgba(0,0,0,0.6);
}
.ch-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ch-logo-text {
    color: var(--royal-gold);
}
.ch-logo-text .brand {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 6px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    text-shadow: 0 0 20px rgba(244, 208, 63, 0.5);
}
.ch-logo-text .tagline {
    font-size: 11px;
    letter-spacing: 4px;
    opacity: 0.8;
    margin-top: 4px;
    color: var(--text-gold);
}
.ch-user-btns { display: flex; gap: 12px; }
.ch-btn-login, .ch-btn-vip {
    padding: 9px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.25s ease;
    font-family: inherit;
    letter-spacing: 2px;
}
.ch-btn-login {
    background: transparent;
    color: var(--palace-gold);
    border: 1px solid var(--border-gold);
}
.ch-btn-login:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--royal-gold);
}
.ch-btn-vip {
    background: linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    color: var(--royal-gold);
    border: 1px solid var(--palace-gold);
    box-shadow: 0 4px 14px var(--shadow-red);
}
.ch-btn-vip:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-red);
}

/* ===== 导航 ===== */
.ch-nav {
    background: var(--cinnabar-red);
    border-bottom: 1px solid var(--palace-gold);
    position: sticky;
    top: 86px;
    z-index: 99;
}
.ch-nav::before {
    content: "";
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 4px;
    background: repeating-linear-gradient(90deg,
        var(--palace-gold) 0 20px,
        var(--royal-gold) 20px 40px,
        var(--cinnabar-red) 40px 50px);
}
.ch-nav ul {
    display: flex;
    justify-content: center;
    padding: 12px 24px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 4px;
}
.ch-nav a {
    padding: 8px 26px;
    color: var(--light-gold);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.25s ease;
    position: relative;
    letter-spacing: 2px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}
.ch-nav a.active {
    background: var(--deep-black);
    color: var(--royal-gold);
    border: 1px solid var(--palace-gold);
    border-radius: 4px;
}

/* ===== Hero 朱红宫墙 ===== */
.ch-hero {
    background:
        linear-gradient(180deg, var(--deep-black) 0%, rgba(139, 10, 10, 0.8) 50%, var(--deep-black) 100%),
        repeating-linear-gradient(90deg,
            rgba(92, 45, 42, 0.4) 0 80px,
            rgba(92, 45, 42, 0.2) 80px 160px);
    padding: 110px 0 120px;
    position: relative;
    overflow: hidden;
}
/* 宫墙飞檐装饰 */
.ch-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(180deg, var(--palace-gold) 0%, transparent 100%);
    opacity: 0.6;
}
/* 灯笼 */
.ch-hero-lanterns {
    position: absolute;
    top: 40px;
    left: 0; right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 10%;
    pointer-events: none;
}
.ch-hero-lantern {
    width: 60px;
    height: 72px;
    position: relative;
    animation: sway 4s ease-in-out infinite;
}
.ch-hero-lantern:nth-child(2) { animation-delay: -2s; }
@keyframes sway {
    0%, 100% { transform: rotate(-4deg); }
    50% { transform: rotate(4deg); }
}
.ch-hero-lantern::before {
    content: "";
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 6px; height: 8px;
    background: var(--palace-gold);
}
.ch-hero-lantern::after {
    content: "";
    position: absolute;
    top: 8px; left: 0;
    width: 60px; height: 52px;
    background: radial-gradient(circle at 30% 40%, var(--vermilion) 0%, var(--deep-red) 100%);
    border-radius: 50% / 55%;
    border: 3px solid var(--palace-gold);
    box-shadow: 0 0 36px rgba(212, 175, 55, 0.45), 0 0 60px rgba(184, 38, 1, 0.5);
}
.ch-hero-lantern .t {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 18px;
    background: linear-gradient(180deg, var(--royal-gold) 0%, var(--caramel) 100%);
    border-radius: 0 0 4px 4px;
}

.ch-hero-content { text-align: center; position: relative; z-index: 2; }
.ch-hero-badge {
    display: inline-block;
    padding: 8px 28px;
    border: 1px solid var(--palace-gold);
    color: var(--royal-gold);
    font-size: 13px;
    letter-spacing: 4px;
    margin-bottom: 30px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    background: rgba(0,0,0,0.4);
}
.ch-hero-title {
    font-size: 88px;
    font-weight: 900;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    background: linear-gradient(180deg, var(--royal-gold) 0%, var(--palace-gold) 50%, var(--caramel) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.5));
    letter-spacing: 20px;
    margin-bottom: 22px;
    padding-left: 20px;
}
.ch-hero-sub {
    font-size: 18px;
    color: var(--text-gold);
    letter-spacing: 6px;
    margin-bottom: 42px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.ch-btn {
    padding: 14px 40px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: inline-block;
    letter-spacing: 4px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    position: relative;
}
.ch-btn-primary {
    background: linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    color: var(--royal-gold);
    border: 2px solid var(--palace-gold);
    box-shadow: 0 8px 24px var(--shadow-red);
}
.ch-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px var(--shadow-red);
}
.ch-btn-ghost {
    background: transparent;
    color: var(--royal-gold);
    border: 2px solid var(--palace-gold);
}
.ch-btn-ghost:hover {
    background: rgba(212, 175, 55, 0.12);
}

/* ===== 数据 ===== */
.ch-stats {
    padding: 48px 0;
    background:
        linear-gradient(180deg, var(--deep-black) 0%, var(--ink-black) 100%);
    border-top: 1px solid var(--border-gold);
    border-bottom: 1px solid var(--border-gold);
}
.ch-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.ch-stat {
    padding: 28px 16px;
    background:
        linear-gradient(160deg, rgba(139, 10, 10, 0.25) 0%, rgba(212, 175, 55, 0.08) 100%);
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}
.ch-stat::before, .ch-stat::after {
    content: "◆";
    position: absolute;
    color: var(--palace-gold);
    font-size: 10px;
    opacity: 0.6;
}
.ch-stat::before { top: 6px; left: 8px; }
.ch-stat::after { bottom: 6px; right: 8px; }
.ch-stat:hover {
    transform: translateY(-4px);
    border-color: var(--royal-gold);
}
.ch-stat-num {
    font-size: 38px;
    font-weight: 900;
    color: var(--royal-gold);
    margin-bottom: 8px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-stat-label {
    color: var(--text-gold);
    font-size: 14px;
    letter-spacing: 3px;
}

/* ===== 通用区块 ===== */
.ch-section { padding: 80px 0; }
.ch-section-head { text-align: center; margin-bottom: 50px; position: relative; }
.ch-section-head::before, .ch-section-head::after {
    content: "❈";
    position: absolute;
    color: var(--palace-gold);
    font-size: 18px;
    top: 20px;
    opacity: 0.7;
}
.ch-section-head::before { left: 20%; }
.ch-section-head::after { right: 20%; }
.ch-section-title {
    font-size: 40px;
    font-weight: 900;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--royal-gold);
    margin-bottom: 16px;
    letter-spacing: 8px;
    padding-left: 8px;
}
.ch-section-title span {
    color: var(--vermilion);
    text-shadow: 0 0 20px rgba(192, 57, 43, 0.4);
}
.ch-section-sub {
    color: var(--text-gold);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: 2px;
    opacity: 0.8;
}

/* ===== 内容卡片 ===== */
.ch-card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.ch-card {
    background:
        linear-gradient(180deg, rgba(139, 10, 10, 0.3) 0%, rgba(28, 28, 28, 0.9) 100%);
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}
.ch-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--palace-gold), var(--royal-gold), var(--palace-gold));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.ch-card:hover {
    transform: translateY(-6px);
    border-color: var(--royal-gold);
    box-shadow: 0 14px 30px rgba(0,0,0,0.6), 0 0 20px rgba(212, 175, 55, 0.15);
}
.ch-card:hover::before { opacity: 1; }
.ch-card-thumb {
    height: 156px;
    background: linear-gradient(135deg, var(--deep-red) 0%, var(--rose-wood) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 46px;
    position: relative;
    border-bottom: 1px solid var(--border-gold);
}
.ch-card-thumb::after {
    content: "▶";
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.55);
    color: var(--royal-gold);
    border: 2px solid var(--palace-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    padding-left: 3px;
}
.ch-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--cinnabar-red);
    color: var(--royal-gold);
    padding: 4px 12px;
    font-size: 11px;
    letter-spacing: 2px;
    border: 1px solid var(--palace-gold);
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-card-body { padding: 16px 18px; }
.ch-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--light-gold);
    margin-bottom: 8px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 1px;
}
.ch-card-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-gold);
    opacity: 0.7;
    font-size: 12px;
    letter-spacing: 1px;
}

/* ===== 特色服务 ===== */
.ch-features {
    background:
        linear-gradient(180deg, var(--ink-black) 0%, var(--deep-black) 100%);
    border-top: 1px solid var(--border-gold);
    border-bottom: 1px solid var(--border-gold);
}
.ch-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.ch-feat {
    padding: 38px 28px;
    background:
        linear-gradient(160deg, rgba(212, 175, 55, 0.06) 0%, rgba(139, 10, 10, 0.15) 100%);
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.ch-feat::after {
    content: "";
    position: absolute;
    top: -50%; right: -50%;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
}
.ch-feat:hover {
    transform: translateY(-6px);
    border-color: var(--royal-gold);
    box-shadow: 0 16px 32px rgba(0,0,0,0.6);
}
.ch-feat-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
    border: 2px solid var(--palace-gold);
    box-shadow: 0 0 24px rgba(184, 38, 1, 0.4), inset 0 0 12px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
}
.ch-feat-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--royal-gold);
    margin-bottom: 12px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 4px;
    position: relative;
    z-index: 1;
}
.ch-feat-desc {
    color: var(--text-gold);
    font-size: 14px;
    opacity: 0.85;
    position: relative;
    z-index: 1;
}

/* ===== CTA ===== */
.ch-cta {
    background:
        linear-gradient(135deg, var(--deep-red) 0%, var(--cinnabar-red) 60%, var(--rose-wood) 100%);
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 2px solid var(--palace-gold);
    border-bottom: 2px solid var(--palace-gold);
}
.ch-cta::before {
    content: "囍";
    position: absolute;
    font-size: 320px;
    color: var(--royal-gold);
    opacity: 0.06;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.ch-cta h2 {
    font-size: 38px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--royal-gold);
    margin-bottom: 14px;
    letter-spacing: 8px;
    position: relative;
    z-index: 1;
}
.ch-cta p {
    font-size: 15px;
    color: var(--light-gold);
    letter-spacing: 3px;
    margin-bottom: 30px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}
.ch-cta .ch-btn-ghost {
    background: rgba(0,0,0,0.3);
    color: var(--royal-gold);
    position: relative;
    z-index: 1;
}

/* ===== 页脚 ===== */
.ch-footer {
    background: var(--ink-black);
    padding: 60px 0 24px;
    border-top: 3px solid var(--palace-gold);
    color: var(--text-gold);
}
.ch-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.ch-footer-brand .brand {
    font-size: 24px;
    font-weight: 900;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--royal-gold);
    letter-spacing: 6px;
    margin-bottom: 14px;
}
.ch-footer-brand p {
    font-size: 13px;
    line-height: 2;
    opacity: 0.8;
    letter-spacing: 1px;
}
.ch-footer-col h4 {
    color: var(--royal-gold);
    font-size: 15px;
    margin-bottom: 16px;
    letter-spacing: 3px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-gold);
}
.ch-footer-col ul li {
    margin-bottom: 10px;
    font-size: 13px;
    opacity: 0.8;
}
.ch-footer-col ul li a:hover { color: var(--royal-gold); opacity: 1; }
.ch-footer-bottom {
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    opacity: 0.7;
    letter-spacing: 2px;
}

/* ===== 页面横幅 ===== */
.ch-page-banner {
    background:
        linear-gradient(135deg, var(--deep-black) 0%, rgba(139, 10, 10, 0.85) 100%);
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--palace-gold);
}
.ch-page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(45deg,
        transparent 0 60px,
        rgba(212, 175, 55, 0.03) 60px 62px);
}
.ch-page-banner h1 {
    font-size: 52px;
    font-weight: 900;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--royal-gold);
    letter-spacing: 12px;
    margin-bottom: 14px;
    filter: drop-shadow(0 4px 16px rgba(212, 175, 55, 0.4));
    padding-left: 12px;
}
.ch-page-banner p {
    color: var(--text-gold);
    font-size: 15px;
    letter-spacing: 4px;
    max-width: 600px;
    margin: 0 auto;
}
.ch-breadcrumb {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-gold);
    opacity: 0.8;
    letter-spacing: 2px;
}
.ch-breadcrumb a:hover { color: var(--royal-gold); }

/* ===== 关于页 ===== */
.ch-about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.ch-about-visual {
    height: 380px;
    background:
        radial-gradient(circle at 30% 40%, rgba(184, 38, 1, 0.6) 0%, transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(212, 175, 55, 0.35) 0%, transparent 60%),
        linear-gradient(135deg, var(--deep-red) 0%, var(--rose-wood) 100%);
    border: 3px solid var(--palace-gold);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 130px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.6), inset 0 0 30px rgba(0,0,0,0.4);
    position: relative;
}
.ch-about-visual::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px dashed rgba(212, 175, 55, 0.4);
    border-radius: 2px;
}
.ch-about-text h2 {
    font-size: 32px;
    font-weight: 900;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--royal-gold);
    margin-bottom: 20px;
    letter-spacing: 4px;
}
.ch-about-text p {
    color: var(--text-gold);
    margin-bottom: 16px;
    font-size: 15px;
    opacity: 0.9;
    line-height: 2;
}
.ch-about-list { list-style: none; margin-top: 20px; }
.ch-about-list li {
    padding: 8px 0 8px 30px;
    position: relative;
    color: var(--text-gold);
    font-size: 14px;
    letter-spacing: 1px;
}
.ch-about-list li::before {
    content: "◆";
    position: absolute;
    left: 0;
    color: var(--palace-gold);
}

.ch-timeline {
    margin-top: 50px;
    position: relative;
    padding-left: 40px;
}
.ch-timeline::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--palace-gold) 0%, var(--cinnabar-red) 100%);
}
.ch-tl-item {
    position: relative;
    padding: 14px 0 26px 26px;
    border-left: 1px dashed var(--border-gold);
}
.ch-tl-item::before {
    content: "";
    position: absolute;
    left: -35px;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--cinnabar-red);
    border: 3px solid var(--palace-gold);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
}
.ch-tl-year {
    font-size: 14px;
    font-weight: 700;
    color: var(--royal-gold);
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.ch-tl-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--light-gold);
    margin-bottom: 6px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-tl-desc {
    color: var(--text-gold);
    font-size: 14px;
    opacity: 0.85;
}

/* ===== 分类 ===== */
.ch-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.ch-tab {
    padding: 8px 24px;
    background: rgba(28, 28, 28, 0.8);
    border: 1px solid var(--border-gold);
    color: var(--text-gold);
    font-size: 14px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.25s ease;
}
.ch-tab.active, .ch-tab:hover {
    background: var(--cinnabar-red);
    color: var(--royal-gold);
    border-color: var(--royal-gold);
}

/* ===== 会员方案 ===== */
.ch-pricing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.ch-price-card {
    background:
        linear-gradient(180deg, rgba(139, 10, 10, 0.2) 0%, rgba(28, 28, 28, 0.9) 100%);
    border: 2px solid var(--border-gold);
    border-radius: 4px;
    padding: 38px 28px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}
.ch-price-card:hover {
    border-color: var(--royal-gold);
    transform: translateY(-4px);
}
.ch-price-card.featured {
    border-color: var(--royal-gold);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
    transform: scale(1.04);
    background:
        linear-gradient(180deg, rgba(184, 38, 1, 0.3) 0%, rgba(28, 28, 28, 0.95) 100%);
}
.ch-price-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--cinnabar-red);
    color: var(--royal-gold);
    padding: 6px 20px;
    font-size: 12px;
    letter-spacing: 3px;
    border: 1px solid var(--palace-gold);
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-price-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--royal-gold);
    margin-bottom: 14px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 4px;
}
.ch-price-num {
    font-size: 46px;
    font-weight: 900;
    color: var(--vermilion);
    margin-bottom: 4px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    text-shadow: 0 0 16px rgba(192, 57, 43, 0.4);
}
.ch-price-num small {
    font-size: 14px;
    color: var(--text-gold);
    opacity: 0.7;
    font-weight: 500;
}
.ch-price-desc {
    color: var(--text-gold);
    opacity: 0.8;
    font-size: 13px;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.ch-price-list {
    list-style: none;
    text-align: left;
    margin-bottom: 26px;
}
.ch-price-list li {
    padding: 8px 0 8px 26px;
    position: relative;
    color: var(--text-gold);
    font-size: 14px;
    border-bottom: 1px dashed var(--border-gold);
    letter-spacing: 1px;
}
.ch-price-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--palace-gold);
    font-weight: 800;
}
.ch-price-btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    color: var(--royal-gold);
    border: 1px solid var(--palace-gold);
    font-weight: 700;
    letter-spacing: 4px;
    border-radius: 4px;
    transition: all 0.25s ease;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-price-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow-red);
}

/* ===== 榜单 ===== */
.ch-rank-list { display: grid; gap: 16px; }
.ch-rank-item {
    display: grid;
    grid-template-columns: 70px 1fr auto;
    gap: 22px;
    align-items: center;
    background:
        linear-gradient(160deg, rgba(139, 10, 10, 0.2) 0%, rgba(28, 28, 28, 0.9) 100%);
    padding: 20px 26px;
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    transition: all 0.3s ease;
}
.ch-rank-item:hover {
    transform: translateX(8px);
    border-color: var(--royal-gold);
    box-shadow: 0 8px 22px rgba(0,0,0,0.5);
}
.ch-rank-num {
    font-size: 42px;
    font-weight: 900;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--vermilion);
    text-align: center;
    background: -webkit-linear-gradient(180deg, var(--royal-gold), var(--caramel));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 12px rgba(244, 208, 63, 0.3);
}
.ch-rank-item:nth-child(1) .ch-rank-num {
    background: -webkit-linear-gradient(180deg, var(--royal-gold), var(--cinnabar-red));
    -webkit-background-clip: text;
    background-clip: text;
}
.ch-rank-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--light-gold);
    margin-bottom: 6px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 1px;
}
.ch-rank-meta {
    color: var(--text-gold);
    font-size: 13px;
    opacity: 0.75;
    letter-spacing: 1px;
}
.ch-rank-score { text-align: right; }
.ch-rank-score .num {
    font-size: 26px;
    font-weight: 800;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    color: var(--royal-gold);
}
.ch-rank-score .label {
    font-size: 11px;
    color: var(--text-gold);
    opacity: 0.7;
    letter-spacing: 2px;
}

/* ===== 新闻列表 ===== */
.ch-news-list { display: grid; gap: 22px; }
.ch-news-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 26px;
    background:
        linear-gradient(160deg, rgba(139, 10, 10, 0.2) 0%, rgba(28, 28, 28, 0.9) 100%);
    padding: 22px;
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    transition: all 0.3s ease;
}
.ch-news-item:hover {
    transform: translateY(-3px);
    border-color: var(--royal-gold);
    box-shadow: 0 12px 26px rgba(0,0,0,0.5);
}
.ch-news-date {
    text-align: center;
    padding: 16px 10px;
    background: linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    border: 1px solid var(--palace-gold);
    border-radius: 4px;
    color: var(--royal-gold);
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-news-date .day {
    font-size: 34px;
    font-weight: 900;
    display: block;
    line-height: 1;
}
.ch-news-date .month {
    font-size: 12px;
    margin-top: 4px;
    letter-spacing: 2px;
    opacity: 0.9;
}
.ch-news-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--light-gold);
    margin-bottom: 8px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 1px;
}
.ch-news-title:hover { color: var(--royal-gold); }
.ch-news-excerpt {
    color: var(--text-gold);
    font-size: 14px;
    margin-bottom: 10px;
    opacity: 0.85;
    line-height: 1.9;
}
.ch-news-tags { display: flex; gap: 8px; }
.ch-news-tags span {
    background: rgba(184, 38, 1, 0.4);
    color: var(--royal-gold);
    padding: 3px 12px;
    font-size: 11px;
    border: 1px solid var(--border-gold);
    letter-spacing: 2px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}

/* ===== 联系 ===== */
.ch-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}
.ch-contact-info {
    background:
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.2) 0%, transparent 55%),
        linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    padding: 40px 32px;
    border: 2px solid var(--palace-gold);
    border-radius: 4px;
    color: var(--royal-gold);
    position: relative;
    overflow: hidden;
}
.ch-contact-info::before {
    content: "囍";
    position: absolute;
    font-size: 200px;
    opacity: 0.07;
    bottom: -40px;
    right: -30px;
}
.ch-contact-info h3 {
    font-size: 26px;
    margin-bottom: 16px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 6px;
    position: relative;
    z-index: 1;
}
.ch-contact-info p {
    margin-bottom: 20px;
    font-size: 14px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    letter-spacing: 1px;
}
.ch-contact-line {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px dashed rgba(212, 175, 55, 0.3);
    position: relative;
    z-index: 1;
}
.ch-contact-line .ico { font-size: 22px; }
.ch-contact-line .label { font-size: 12px; opacity: 0.85; letter-spacing: 1px; }
.ch-contact-line .val {
    font-size: 15px;
    font-weight: 600;
    color: var(--light-gold);
    letter-spacing: 1px;
}

.ch-contact-form {
    background:
        linear-gradient(180deg, rgba(139, 10, 10, 0.15) 0%, rgba(28, 28, 28, 0.9) 100%);
    padding: 38px 32px;
    border: 1px solid var(--border-gold);
    border-radius: 4px;
}
.ch-form-group { margin-bottom: 20px; }
.ch-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--royal-gold);
    font-size: 14px;
    letter-spacing: 2px;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-form-group input, .ch-form-group textarea, .ch-form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    background: rgba(14, 11, 12, 0.7);
    color: var(--light-gold);
    transition: all 0.25s ease;
    letter-spacing: 1px;
}
.ch-form-group input:focus, .ch-form-group textarea:focus, .ch-form-group select:focus {
    outline: none;
    border-color: var(--royal-gold);
    background: rgba(14, 11, 12, 0.9);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}
.ch-form-group textarea { resize: vertical; min-height: 120px; }
.ch-form-submit {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--palace-gold);
    border-radius: 4px;
    background: linear-gradient(135deg, var(--cinnabar-red) 0%, var(--deep-red) 100%);
    color: var(--royal-gold);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
}
.ch-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px var(--shadow-red);
}

/* ===== FAQ ===== */
.ch-faq-grid {
    display: grid;
    gap: 14px;
    max-width: 800px;
    margin: 0 auto;
}
.ch-faq-item {
    background:
        linear-gradient(160deg, rgba(139, 10, 10, 0.15) 0%, rgba(28, 28, 28, 0.9) 100%);
    padding: 22px 26px;
    border: 1px solid var(--border-gold);
    border-radius: 4px;
}
.ch-faq-q {
    font-size: 16px;
    font-weight: 700;
    color: var(--royal-gold);
    margin-bottom: 8px;
    padding-left: 30px;
    position: relative;
    font-family: "STKaiti", "KaiTi", "楷体", serif;
    letter-spacing: 1px;
}
.ch-faq-q::before {
    content: "Q";
    position: absolute;
    left: 0;
    top: -2px;
    width: 22px;
    height: 22px;
    background: var(--cinnabar-red);
    color: var(--royal-gold);
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--palace-gold);
}
.ch-faq-a {
    color: var(--text-gold);
    font-size: 14px;
    padding-left: 30px;
    opacity: 0.9;
    line-height: 1.9;
}

/* ===== 响应式 ===== */
@media (max-width: 980px) {
    .ch-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .ch-card-grid { grid-template-columns: repeat(2, 1fr); }
    .ch-features-grid { grid-template-columns: 1fr; }
    .ch-pricing { grid-template-columns: 1fr; }
    .ch-price-card.featured { transform: none; }
    .ch-about { grid-template-columns: 1fr; }
    .ch-contact-grid { grid-template-columns: 1fr; }
    .ch-footer-grid { grid-template-columns: 1fr 1fr; }
    .ch-hero-title { font-size: 60px; letter-spacing: 14px; }
    .ch-nav ul { flex-wrap: wrap; gap: 0; }
}
@media (max-width: 600px) {
    .ch-card-grid { grid-template-columns: 1fr; }
    .ch-news-item { grid-template-columns: 1fr; }
    .ch-footer-grid { grid-template-columns: 1fr; }
    .ch-section-title { font-size: 30px; letter-spacing: 5px; }
    .ch-hero-title { font-size: 42px; letter-spacing: 8px; padding-left: 8px; }
    .ch-page-banner h1 { font-size: 38px; letter-spacing: 6px; }
}