/* ===== 全局重置 & 基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --gold: #c9a96e;
    --gold-light: #e8d5a3;
    --gold-dark: #a8894e;
    --dark: #0f0e1a;
    --dark-card: #1a1830;
    --dark-light: #2a2845;
    --text-light: #f0ece4;
    --text-muted: #b8b0a4;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    --radius: 16px;
    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--dark);
    color: var(--text-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--gold);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--gold-light);
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--dark);
}
::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 10px;
}

/* ===== 导航 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 14px 0;
    background: rgba(15, 14, 26, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(201, 169, 110, 0.15);
    transition: var(--transition);
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--gold);
}
.nav-brand img {
    height: 40px;
    width: auto;
}
.nav-brand span {
    font-weight: 300;
    color: var(--text-light);
    font-size: 0.9rem;
    letter-spacing: 2px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    font-size: 0.95rem;
}
.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--text-light);
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-cta {
    background: var(--gold);
    color: var(--dark) !important;
    padding: 8px 22px;
    border-radius: 40px;
    font-weight: 600;
    transition: var(--transition);
}
.nav-cta::after {
    display: none !important;
}
.nav-cta:hover {
    background: var(--gold-light);
    color: var(--dark) !important;
    transform: scale(1.03);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.8rem;
    cursor: pointer;
}

/* ===== Hero ===== */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(ellipse at 20% 50%, #1e1b3a 0%, var(--dark) 70%);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 70%;
    height: 120%;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.07) 0%, transparent 70%);
    pointer-events: none;
}
.hero .container {
    display: flex;
    /* gap: 50px; */
    align-items: stretch;
}
.hero-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}
.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.hero-content h1 {
    font-size: 3.6rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
}
.hero-content h1 span {
    color: var(--gold);
}
.model-qr-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.model-qr-group .model-img {
    width: 220px;
    height: auto;
    border-radius: 16px;
    object-fit: cover;
}
.model-qr-group .qr-img {
    width: 220px;
    height: auto;
    border-radius: 12px;
    object-fit: contain;
}
.hero-content .sub {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 520px;
}
.hero-content .sub .highlight {
    color: var(--gold-light);
    font-weight: 600;
    display: inline-block;
    margin-top: 4px;
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 28px;
    margin-top: 4px;
}
.hero-badges .badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-muted);
}
.hero-badges .badge i {
    color: var(--gold);
    font-size: 1.2rem;
}
.hero-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    max-width: 40%;
}
.hero-phone {
    background: linear-gradient(145deg, #2a2845, #1a1830);
    border-radius: 48px;
    padding: 16px 12px 12px;
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(201, 169, 110, 0.12);
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-phone .screen {
    background: var(--dark);
    border-radius: 32px;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    overflow: hidden;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-phone .screen img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
    filter: brightness(0.91);
}
.hero-phone .screen img:hover {
    filter: brightness(1);
}

/* ===== Stats ===== */
.stats {
    padding: 60px 0;
    background: var(--dark-card);
    border-top: 1px solid rgba(201, 169, 110, 0.08);
    border-bottom: 1px solid rgba(201, 169, 110, 0.08);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.stats-grid .stat-item h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 1px;
}
.stats-grid .stat-item p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 4px;
}

/* ===== Section Common ===== */
.section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.section-title h2 span {
    color: var(--gold);
}
.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 12px auto 0;
}

/* ===== Coupon ===== */
.coupon-section {
    background: linear-gradient(135deg, #1a1830 0%, #0f0e1a 100%);
    position: relative;
}
.coupon-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(201, 169, 110, 0.06), transparent 60%);
    pointer-events: none;
}
.coupon-card {
    background: linear-gradient(145deg, #2a2845, #1a1830);
    border-radius: var(--radius);
    padding: 48px 50px;
    border: 1px solid rgba(201, 169, 110, 0.12);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.coupon-card::after {
    content: '₪';
    position: absolute;
    right: -20px;
    top: -40px;
    font-size: 16rem;
    color: rgba(201, 169, 110, 0.04);
    font-weight: 700;
    pointer-events: none;
}
.coupon-left h3 {
    font-size: 2rem;
    font-weight: 700;
}
.coupon-left h3 span {
    color: var(--gold);
}
.coupon-left .big-number {
    font-size: 4.2rem;
    font-weight: 800;
    color: var(--gold);
    line-height: 1;
    margin: 12px 0 6px;
}
.coupon-left .valid {
    color: var(--text-muted);
    font-size: 0.95rem;
}
.coupon-left .valid i {
    color: var(--gold);
    margin-right: 6px;
}
.coupon-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 20px;
}
.coupon-list .item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    background: rgba(201, 169, 110, 0.06);
    padding: 8px 14px;
    border-radius: 40px;
    border: 1px solid rgba(201, 169, 110, 0.06);
}
.coupon-list .item i {
    color: var(--gold);
    font-size: 0.9rem;
}
.coupon-list .item .tag {
    background: var(--gold);
    color: var(--dark);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
    margin-left: 4px;
}
.coupon-actions {
    margin-top: 20px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gold);
    color: var(--dark);
    padding: 14px 38px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1.05rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 28px rgba(201, 169, 110, 0.3);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(201, 169, 110, 0.4);
}
.btn-mai{
    padding:12px 32px;
    font-size:1rem;
}
/* ===== Services ===== */
.services-section {
    background: var(--dark);
}
.service-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}
.service-tabs .tab {
    background: transparent;
    border: 1px solid rgba(201, 169, 110, 0.15);
    color: var(--text-muted);
    padding: 8px 28px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
    font-weight: 500;
}
.service-tabs .tab:hover,
.service-tabs .tab.active {
    background: var(--gold);
    color: var(--dark);
    border-color: var(--gold);
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}
.service-card {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 28px 26px;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
    position: relative;
}
.service-card:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}
.service-card .s-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.service-card .s-name .s-price {
    font-size: 1.1rem;
    color: var(--gold);
    font-weight: 700;
}
.service-card .s-price .orig {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: 6px;
}
.service-card .s-meta {
    display: flex;
    gap: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 8px 0 12px;
    flex-wrap: wrap;
}
.service-card .s-meta i {
    color: var(--gold);
    width: 16px;
}
.service-card .s-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}
.service-card .s-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}
.service-card .s-tags .tag {
    background: rgba(201, 169, 110, 0.08);
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    color: var(--text-muted);
    border: 1px solid rgba(201, 169, 110, 0.06);
}
.service-card .member-price {
    color: var(--gold-light);
    font-size: 0.8rem;
    margin-top: 2px;
}

/* ===== Features ===== */
.features-section {
    background: var(--dark-card);
    border-top: 1px solid rgba(201, 169, 110, 0.06);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.feature-item {
    padding: 30px 20px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(201, 169, 110, 0.04);
    transition: var(--transition);
}
.feature-item:hover {
    background: rgba(201, 169, 110, 0.04);
    border-color: rgba(201, 169, 110, 0.1);
    transform: translateY(-4px);
}
.feature-item i {
    font-size: 2.8rem;
    color: var(--gold);
    margin-bottom: 14px;
}
.feature-item h4 {
    font-size: 1.15rem;
    font-weight: 600;
}
.feature-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 6px;
}

/* ===== About ===== */
.about-section {
    background: var(--dark);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-grid .about-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 18px;
}
.about-grid .about-text h2 span {
    color: var(--gold);
}
.about-grid .about-text p {
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.8;
}
.about-grid .about-text .legal {
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 18px;
    margin-top: 18px;
}
.about-grid .about-text .legal i {
    color: var(--gold);
    margin-right: 4px;
}
.about-video {
    display: flex;
    justify-content: center;
    align-items: center;
}
.about-video .circle {
    width: 60%;
    height: auto;
    border-radius: 3%;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.12), transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(201, 169, 110, 0.08);
    overflow: hidden;
}
.about-video .circle video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 3%;
    display: block;
}

/* ===== Cities ===== */
.cities-section {
    background: var(--dark-card);
    border-top: 1px solid rgba(201, 169, 110, 0.06);
    border-bottom: 1px solid rgba(201, 169, 110, 0.06);
    padding: 60px 0;
}
.cities-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
    margin-top: 20px;
}
.cities-grid .city {
    background: rgba(201, 169, 110, 0.06);
    border: 1px solid rgba(201, 169, 110, 0.08);
    padding: 6px 20px;
    border-radius: 40px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}
.cities-grid .city:hover {
    background: rgba(201, 169, 110, 0.14);
    color: var(--text-light);
    border-color: var(--gold);
    transform: translateY(-2px);
}
.cities-grid .city.hot {
    color: var(--gold-light);
    border-color: rgba(201, 169, 110, 0.25);
}
.cities-grid .city.hot::after {
    content: ' 🔥';
    font-size: 0.7rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-card);
    border-top: 1px solid rgba(201, 169, 110, 0.06);
    padding: 40px 0 30px;
    font-size: 0.9rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}
.footer-brand h3 {
    font-size: 1.6rem;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-brand h3 img {
    height: 36px;
    width: auto;
}
.footer-brand p {
    color: var(--text-muted);
    margin-top: 10px;
    max-width: 320px;
}
.footer-links h4 {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-light);
}
.footer-links a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: var(--gold);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}
.footer-bottom a {
    color: var(--text-muted);
}
.footer-bottom a:hover {
    color: var(--gold);
}

/* ===== Rules ===== */
.rules-section {
    background: var(--dark);
    border-top: 1px solid rgba(201, 169, 110, 0.04);
    padding: 40px 0 20px;
}
.rules-toggle {
    background: transparent;
    border: 1px solid rgba(201, 169, 110, 0.1);
    color: var(--text-muted);
    padding: 12px 28px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}
.rules-toggle:hover {
    border-color: var(--gold);
    color: var(--text-light);
}
.rules-toggle i {
    transition: var(--transition);
}
.rules-toggle.open i {
    transform: rotate(180deg);
}
.rules-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s ease;
}
.rules-content.open {
    max-height: 6000px;
}
.info-rule{
    margin-top:16px;color:var(--text-muted);font-size:0.85rem;
}
.info-rule i{
    color:var(--gold);
}
.rules-inner{
    text-align:left;
    max-width:900px;
    margin:0 auto;
}

.rules-content .inner {
    padding: 30px 0 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}
.rules-content .inner h4 {
    color: var(--text-light);
    margin: 20px 0 8px;
}
.rules-content .inner ul {
    padding-left: 24px;
    margin-bottom: 12px;
}
.rules-content .inner ul li {
    margin-bottom: 4px;
}

/* ============================================
   响应式设计 — 适配手机与平板
   ============================================ */

/* 平板及小屏幕笔记本 */
@media (max-width: 1024px) {
    .sub-des{
        display: none;
    }
    .hero .container {
        flex-direction: column;
        gap: 40px;
    }
    .hero-left {
        align-items: center;
        text-align: center;
    }
    .hero-content {
        align-items: center;
        gap: 8px;
    }
    .hero-content .sub {
        margin-left: auto;
        margin-right: auto;
    }
    .model-qr-group {
        justify-content: center;
    }
    .hero-badges {
        justify-content: center;
    }
    .hero-right {
        max-width: 100%;
        width: 100%;
        justify-content: center;
    }
    .hero-phone {
        max-width: 90%;
        height: auto;
        width: 100%;
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .coupon-card {
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }
    .coupon-list {
        grid-template-columns: 1fr 1fr;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-video .circle {
        width: 100%;
        height: auto;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
    .service-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

/* 手机大屏（640px 以下） */
@media (max-width: 640px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 16px 0 8px;
        gap: 14px;
        background: rgba(15, 14, 26, 0.96);
        border-radius: 12px;
        margin-top: 8px;
    }
    .nav-links.open {
        display: flex;
    }
    .nav-toggle {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.4rem;
    }
    .model-qr-group .model-img,
    .model-qr-group .qr-img {
        width: 140px;
    }

    .hero-content .sub {
        font-size: 1rem;
    }
    .coupon-list {
        grid-template-columns: 1fr;
    }
    .coupon-left .big-number {
        font-size: 3rem;
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .feature-item {
        padding: 20px 12px;
    }
    .feature-item i {
        font-size: 2rem;
    }
    .service-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .stats-grid .stat-item h2 {
        font-size: 2rem;
    }
    .section-title h2 {
        font-size: 2rem;
    }
    .hero {
        padding: 80px 0 30px;
    }
    .section {
        padding: 50px 0;
    }
    .navbar .container {
        flex-wrap: wrap;
    }
    .nav-brand {
        font-size: 1.2rem;
    }
    .nav-brand img {
        height: 32px;
    }
}

/* 小屏手机（400px 以下） */
@media (max-width: 400px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    .service-card {
        padding: 20px 16px;
    }
    .coupon-card {
        padding: 24px 16px;
    }
    .cities-grid .city {
        font-size: 0.8rem;
        padding: 4px 14px;
    }
    .model-qr-group .model-img,
    .model-qr-group .qr-img {
        width: 120px;
    }
}

/* ===== About 独立页面（完整样式） ===== */
.about-page {
    padding-top: 140px;
    background: var(--dark);
    min-height: 70vh;
}

.about-page-content {
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-light);
}

.about-page-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 30px;
    text-align: center;
}

.about-page-content h2 {
    color: var(--gold-light);
    font-size: 2rem;
    margin-top: 50px;
    margin-bottom: 20px;
    text-align: center;
}

/* ===== 介绍文字 ===== */
.about-intro {
    color: var(--text-muted);
    line-height: 1.9;
    font-size: 1.05rem;
}

.about-intro p {
    margin-bottom: 16px;
}

/* ===== 数据亮点 ===== */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
    padding: 30px 20px;
    background: var(--dark-card);
    border-radius: var(--radius);
    border: 1px solid rgba(201, 169, 110, 0.08);
}

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

.about-stats .number {
    display: block;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.2;
}

.about-stats .label {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ===== 核心优势 ===== */
.about-features{
    margin: 40px 0;
}
.about-features .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 10px;
}

.feature-box {
    background: var(--dark-card);
    padding: 24px 20px;
    border-radius: var(--radius);
    border: 1px solid rgba(201, 169, 110, 0.06);
    text-align: center;
    transition: var(--transition);
}

.feature-box:hover {
    border-color: rgba(201, 169, 110, 0.25);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.feature-box i {
    font-size: 2.4rem;
    color: var(--gold);
    margin-bottom: 12px;
}

.feature-box h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 6px;
}

.feature-box p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ===== FAQ ===== */
.about-faq {
    margin: 50px 0;
}

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

.faq-item {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 18px 22px;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(201, 169, 110, 0.15);
}

.faq-q {
    font-weight: 600;
    color: var(--gold-light);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
}

.faq-q i {
    color: var(--gold);
    font-size: 1.1rem;
}

.faq-a {
    color: var(--text-muted);
    margin-top: 8px;
    padding-left: 30px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.7;
}

.faq-a i {
    color: var(--gold);
    font-size: 0.8rem;
    margin-top: 4px;
}

.faq-more {
    text-align: center;
    margin-top: 24px;
}

.faq-more a {
    color: var(--gold);
    font-weight: 500;
    transition: var(--transition);
}

.faq-more a:hover {
    color: var(--gold-light);
}

.faq-more i {
    margin-left: 6px;
    transition: var(--transition);
}

.faq-more a:hover i {
    transform: translateX(4px);
}

.faq-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

/* ===== 子页面 ===== */
.about-subpages {
    margin-top: 50px;
}

.subpage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 10px;
}

.about-item {
    background: var(--dark-card);
    padding: 20px 24px;
    border-radius: var(--radius);
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
}

.about-item:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.about-item h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.about-item h3 a {
    color: var(--gold-light);
}

.about-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .about-page {
        padding-top: 120px;
    }
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-features .feature-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .about-page {
        padding-top: 100px;
    }
    .about-page-content h1 {
        font-size: 2rem;
    }
    .about-page-content h2 {
        font-size: 1.6rem;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
        padding: 20px 14px;
        gap: 14px;
    }
    .about-stats .number {
        font-size: 1.8rem;
    }
    .about-features .feature-grid {
        grid-template-columns: 1fr;
    }
    .subpage-grid {
        grid-template-columns: 1fr;
    }
    .faq-item {
        padding: 14px 16px;
    }
    .faq-q {
        font-size: 0.95rem;
    }
    .faq-a {
        padding-left: 0;
        font-size: 0.9rem;
    }
}
/* ============================================
   文章列表页 (a/list.html)
   ============================================ */

.article-list-page {
    padding-top: 140px;
    background: var(--dark);
    min-height: 60vh;
}

.article-header {
    text-align: center;
    margin-bottom: 50px;
}

.article-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--gold);
}

.article-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 10px;
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.article-card {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 28px 30px;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
}

.article-card:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.article-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
}

.article-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
}

.article-title a {
    color: var(--text-light);
    transition: var(--transition);
}

.article-title a:hover {
    color: var(--gold);
}

.article-summary {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 14px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-link {
    background: rgba(201, 169, 110, 0.08);
    color: var(--gold-light);
    padding: 2px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
}

.tag-link:hover {
    background: rgba(201, 169, 110, 0.2);
    color: var(--gold);
    border-color: var(--gold);
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
}

.pagination-btn {
    background: var(--dark-card);
    color: var(--text-light);
    padding: 10px 24px;
    border-radius: 40px;
    border: 1px solid rgba(201, 169, 110, 0.1);
    transition: var(--transition);
    font-size: 0.95rem;
}

.pagination-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.pagination-current {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.no-articles {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 0;
    font-size: 1.1rem;
}

/* ============================================
   文章详情页 (a/single.html)
   ============================================ */

.article-single-page {
    padding-top: 140px;
    background: var(--dark);
    min-height: 60vh;
}

.article-single-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.article-single-date {
    font-size: 0.95rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 12px;
}

.article-single-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.3;
    margin-bottom: 16px;
}

.article-single-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 30px;
    color: var(--text-muted);
    font-size: 0.95rem;
    align-items: center;
}

.article-single-tags .tag-link {
    font-size: 0.85rem;
}

.article-single-content {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.9;
}

.article-single-content h2 {
    color: var(--gold-light);
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 16px;
}

.article-single-content h3 {
    color: var(--text-light);
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 12px;
}

.article-single-content p {
    margin-bottom: 18px;
}

.article-single-content ul,
.article-single-content ol {
    padding-left: 24px;
    margin-bottom: 18px;
}

.article-single-content li {
    margin-bottom: 6px;
}

.article-single-content a {
    color: var(--gold);
    text-decoration: underline;
}

.article-single-content a:hover {
    color: var(--gold-light);
}

.article-single-content blockquote {
    border-left: 4px solid var(--gold);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--dark-card);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-light);
}

.article-single-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 20px 0;
}

/* ===== 文章底部导航 ===== */
.article-single-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    gap: 20px;
    flex-wrap: wrap;
}

.article-single-nav a {
    color: var(--gold-light);
    transition: var(--transition);
    font-size: 0.95rem;
    max-width: 45%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-single-nav a:hover {
    color: var(--gold);
}

.article-single-nav .nav-empty {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   首页文章展示模块
   ============================================ */

.home-articles {
    background: var(--dark);
}

.home-articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.home-article-card {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 24px 22px;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.home-article-card:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.home-article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.home-article-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
}

.home-article-title a {
    color: var(--text-light);
    transition: var(--transition);
}

.home-article-title a:hover {
    color: var(--gold);
}

.home-article-summary {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
    margin-bottom: 12px;
}

.home-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-link-sm {
    background: rgba(201, 169, 110, 0.06);
    color: var(--text-muted);
    padding: 1px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    border: 1px solid rgba(201, 169, 110, 0.04);
    transition: var(--transition);
}

.tag-link-sm:hover {
    background: rgba(201, 169, 110, 0.15);
    color: var(--gold-light);
}

.home-articles-more {
    text-align: center;
    margin-top: 40px;
}

.home-articles-more .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--text-light);
    padding: 12px 34px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1rem;
    border: 1.5px solid rgba(201, 169, 110, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.home-articles-more .btn-outline:hover {
    border-color: var(--gold);
    background: rgba(201, 169, 110, 0.08);
    transform: translateY(-3px);
}

.home-articles-more .btn-outline i {
    transition: var(--transition);
}

.home-articles-more .btn-outline:hover i {
    transform: translateX(4px);
}

/* ============================================
   文章模块响应式
   ============================================ */

@media (max-width: 1024px) {
    .article-grid {
        grid-template-columns: 1fr 1fr;
    }
    .home-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .article-list-page {
        padding-top: 110px;
    }
    .article-single-page {
        padding-top: 110px;
    }

    .article-header h1 {
        font-size: 2rem;
    }
    .article-grid {
        grid-template-columns: 1fr;
    }
    .article-card {
        padding: 20px 18px;
    }
    .article-title {
        font-size: 1.2rem;
    }

    .article-single-title {
        font-size: 2rem;
    }
    .article-single-wrapper {
        padding: 0 4px;
    }
    .article-single-content {
        font-size: 0.98rem;
    }
    .article-single-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .article-single-nav a {
        max-width: 100%;
        white-space: normal;
    }

    .home-articles-grid {
        grid-template-columns: 1fr;
    }
    .home-article-card {
        padding: 20px 16px;
    }
}

@media (max-width: 400px) {
    .article-single-title {
        font-size: 1.6rem;
    }
    .article-header h1 {
        font-size: 1.6rem;
    }
}
/* ============================================
   Taxonomy（分类法）样式
   ============================================ */

/* ===== Terms 汇总页 ===== */
.taxonomy-terms-page {
    padding-top: 140px;
    background: var(--dark);
    min-height: 60vh;
}

.taxonomy-header {
    text-align: center;
    margin-bottom: 50px;
}

.taxonomy-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--gold);
}

.taxonomy-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 10px;
}

/* 标签网格 */
.taxonomy-terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.taxonomy-term-card {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 24px 20px;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.taxonomy-term-card:hover {
    border-color: rgba(201, 169, 110, 0.25);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.taxonomy-term-card .term-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gold-light);
}

.taxonomy-term-card .term-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.no-taxonomy {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 0;
    font-size: 1.1rem;
}

/* ===== List 单个分类下的文章列表 ===== */
.taxonomy-list-page {
    padding-top: 140px;
    background: var(--dark);
    min-height: 60vh;
}

.taxonomy-article-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.taxonomy-article-card {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 28px 30px;
    border: 1px solid rgba(201, 169, 110, 0.06);
    transition: var(--transition);
}

.taxonomy-article-card:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.taxonomy-article-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
}

.taxonomy-article-title {
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
}

.taxonomy-article-title a {
    color: var(--text-light);
    transition: var(--transition);
}

.taxonomy-article-title a:hover {
    color: var(--gold);
}

.taxonomy-article-summary {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .taxonomy-terms-page {
        padding-top: 120px;
    }
    .taxonomy-list-page {
        padding-top: 120px;
    }
    .taxonomy-article-grid {
        grid-template-columns: 1fr 1fr;
    }
    .taxonomy-terms-grid {
        grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    }
}

@media (max-width: 640px) {
    .taxonomy-terms-page {
        padding-top: 110px;
    }
    .taxonomy-list-page {
        padding-top: 110px;
    }

    .taxonomy-header h1 {
        font-size: 2rem;
    }

    .taxonomy-article-grid {
        grid-template-columns: 1fr;
    }
    .taxonomy-article-card {
        padding: 20px 18px;
    }
    .taxonomy-article-title {
        font-size: 1.1rem;
    }

    .taxonomy-terms-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 14px;
    }
    .taxonomy-term-card {
        padding: 18px 14px;
    }
    .taxonomy-term-card .term-name {
        font-size: 1rem;
    }
}

@media (max-width: 400px) {
    .taxonomy-header h1 {
        font-size: 1.6rem;
    }
    .taxonomy-terms-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    .taxonomy-term-card {
        padding: 14px 10px;
    }
}