/* roulang page: index */
:root {
    --bg-base: #0A0F15;
    --bg-raised: #131C26;
    --bg-nav: rgba(10, 15, 21, 0.92);
    --primary: #FB6A3A;
    --primary-hover: #FF8557;
    --primary-pressed: #D9562B;
    --primary-soft: rgba(251, 106, 58, 0.12);
    --accent: #21D4B7;
    --accent-soft: rgba(33, 212, 183, 0.12);
    --text-hi: #EDF2F7;
    --text-mid: #A6B4C4;
    --text-low: #6D7D8E;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --success: #16C784;
    --warning: #F7B955;
    --error: #FF5A5A;
    --info: #36A1FF;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 8px 24px rgba(0, 0, 0, 0.18);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.05);
    --container-max: 1200px;
    --space-section: 88px;
    --space-section-mobile: 56px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-base);
    color: var(--text-hi);
    font-size: 16px;
    line-height: 1.7;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input {
    font-family: inherit;
}

ul,
ol {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    white-space: nowrap;
    min-height: 44px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-primary:active {
    background: var(--primary-pressed);
    transform: translateY(1px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: rgba(255, 255, 255, 0.85);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-strong);
}

.btn-text-link {
    color: var(--text-mid);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.btn-text-link:hover {
    color: var(--primary);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid rgba(33, 212, 183, 0.7);
    outline-offset: 2px;
}

/* 徽章 */
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary);
}

.tag-pill {
    display: inline-block;
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-mid);
    border: 1px solid var(--border);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.tag-pill:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* 板块 */
.section {
    padding: var(--space-section) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-section-mobile) 0;
    }
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

.section-head h2 {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.section-head .sub-desc {
    color: var(--text-mid);
    font-size: 15px;
    margin-top: 6px;
}

@media (max-width: 768px) {
    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 24px;
    }
    .section-head h2 {
        font-size: 26px;
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), #F93E3E);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 16px rgba(251, 106, 58, 0.35);
}

.logo-text {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-hi);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.logo-text span {
    color: var(--primary);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-top {
    height: 56px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid transparent;
}

.header-search {
    flex: 1;
    max-width: 240px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0 14px;
    height: 38px;
    transition: border-color 0.2s ease;
}

.header-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--accent-soft);
}

.header-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-hi);
    font-size: 14px;
    width: 100%;
    height: 100%;
}

.header-search input::placeholder {
    color: var(--text-low);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.header-login {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-mid);
    padding: 8px 12px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
}

.header-login:hover {
    color: var(--text-hi);
    background: rgba(255, 255, 255, 0.05);
}

.header-register {
    font-size: 14px;
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    padding: 8px 18px;
    border-radius: 8px;
    transition: background 0.2s ease, transform 0.2s ease;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
}

.header-register:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.header-tabs-wrap {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.header-tabs-wrap::-webkit-scrollbar {
    display: none;
}

.header-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    width: max-content;
    min-width: 100%;
}

.header-tab {
    flex-shrink: 0;
    height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-mid);
    transition: all 0.2s ease;
    background: transparent;
}

.header-tab:hover {
    color: var(--text-hi);
    background: rgba(255, 255, 255, 0.06);
}

.header-tab.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}

.hamburger {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    color: var(--text-hi);
    transition: background 0.2s ease;
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.06);
}

.hamburger svg {
    width: 22px;
    height: 22px;
}

/* 移动端抽屉菜单 */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-base);
    z-index: 2000;
    padding: 24px 20px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--text-mid);
    background: rgba(255, 255, 255, 0.05);
    margin-left: auto;
}

.drawer-nav {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawer-nav a {
    padding: 14px 12px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-mid);
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    gap: 12px;
}

.drawer-nav a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-hi);
}

.drawer-nav a.active {
    background: var(--primary-soft);
    color: var(--primary);
}

.drawer-cta {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.drawer-cta .btn {
    width: 100%;
}

.drawer-search {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0 14px;
    height: 46px;
}

.drawer-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-hi);
    font-size: 15px;
    width: 100%;
}

.drawer-search input::placeholder {
    color: var(--text-low);
}

/* Hero */
.hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    background:
        radial-gradient(900px 500px at 80% 30%, rgba(251, 106, 58, 0.22), transparent 60%),
        linear-gradient(180deg, #0C131B 0%, #0A0F15 100%);
    overflow: hidden;
    padding: 72px 0 56px;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 55%;
    height: 100%;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center right;
    opacity: 0.35;
    mask-image: linear-gradient(to left, rgba(0,0,0,0.9), transparent 85%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.9), transparent 85%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 0.85fr;
    gap: 40px;
    align-items: center;
    width: 100%;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-hi);
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-mid);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.stat-datum {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-hi);
    font-variant-numeric: tabular-nums;
}

.stat-datum span {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-low);
    display: block;
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border-strong);
}

.hero-visual {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
}

.hero-visual-panel {
    width: 90%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    background: var(--bg-raised);
}

.hero-visual-panel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 240px;
}

@media (max-width: 1024px) {
    .hero {
        min-height: auto;
        padding: 56px 0 48px;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-visual-panel {
        width: 100%;
        max-width: 560px;
        margin: 0 auto;
    }
    .hero-title {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 44px 0 36px;
        min-height: 0;
    }
    .hero::before {
        width: 100%;
        opacity: 0.2;
    }
    .hero-title {
        font-size: 36px;
    }
    .hero-subtitle {
        font-size: 15px;
    }
    .hero-stats {
        gap: 18px;
        flex-wrap: wrap;
    }
    .stat-divider {
        display: none;
    }
}

/* 服务入口 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: background 0.2s ease, color 0.2s ease;
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: #fff;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 4px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.7;
    flex: 1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-mid);
    transition: color 0.2s ease, gap 0.2s ease;
    margin-top: auto;
}

.service-link:hover {
    color: var(--primary);
    gap: 10px;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    .service-card {
        flex-direction: row;
        align-items: center;
        gap: 16px;
        padding: 20px;
    }
    .service-card h3 {
        margin-top: 0;
    }
    .service-card p {
        display: none;
    }
    .service-link {
        display: none;
    }
}

/* 优势数据 */
.stats-section {
    background: var(--bg-raised);
    position: relative;
}

.stats-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-cell {
    padding: 12px 4px;
    border-left: 3px solid var(--primary);
    padding-left: 20px;
}

.stat-cell .number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.stat-cell .unit {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-mid);
    margin-left: 4px;
}

.stat-cell .label {
    font-size: 14px;
    color: var(--text-low);
    margin-top: 8px;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 520px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .stat-cell .number {
        font-size: 34px;
    }
}

/* 最新资讯 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.news-cover {
    position: relative;
    display: block;
    height: 150px;
    overflow: hidden;
}

.news-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-cover img {
    transform: scale(1.04);
}

.news-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10, 15, 21, 0.5));
}

.news-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    font-size: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
}

.news-body {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-title a:hover {
    color: var(--primary);
}

.news-summary {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-low);
    margin-top: 4px;
}

.news-meta .read-more {
    margin-left: auto;
    color: var(--text-mid);
    transition: color 0.2s ease;
}

.news-meta .read-more:hover {
    color: var(--primary);
}

.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 20px;
    background: var(--bg-raised);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-strong);
}

.news-empty svg {
    width: 56px;
    height: 56px;
    color: var(--text-low);
    margin: 0 auto 16px;
    opacity: 0.5;
}

.news-empty p {
    color: var(--text-mid);
    font-size: 14px;
}

@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* 实战案例 */
.cases-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.case-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 16px;
    display: grid;
    grid-template-columns: 55% 45%;
    overflow: hidden;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.case-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.case-card.case-alt {
    grid-template-columns: 45% 55%;
}

.case-card.case-alt .case-media {
    order: 2;
}

.case-card.case-alt .case-content {
    order: 1;
    padding-left: 40px;
}

.case-media {
    min-height: 260px;
    overflow: hidden;
}

.case-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-content {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.case-content h3 {
    font-size: 24px;
    font-weight: 700;
}

.case-content p {
    font-size: 15px;
    color: var(--text-mid);
    line-height: 1.8;
}

.case-metric {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.case-metric .num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}

.case-metric .lbl {
    font-size: 14px;
    color: var(--text-low);
}

@media (max-width: 900px) {
    .case-card,
    .case-card.case-alt {
        grid-template-columns: 1fr;
    }
    .case-media {
        min-height: 200px;
        max-height: 220px;
    }
    .case-card.case-alt .case-media {
        order: 1;
    }
    .case-card.case-alt .case-content {
        order: 2;
        padding-left: 36px;
    }
    .case-content {
        padding: 28px 24px;
    }
}

/* 解决方案 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.solution-block {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.solution-block:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-card);
}

.solution-num {
    font-size: 64px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.12);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.solution-block h3 {
    font-size: 24px;
    font-weight: 700;
    border-left: 4px solid var(--primary);
    padding-left: 16px;
    line-height: 1.35;
}

.solution-block p {
    font-size: 15px;
    color: var(--text-mid);
    line-height: 1.8;
}

.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.solution-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-mid);
    transition: color 0.2s ease;
}

.solution-link:hover {
    color: var(--primary);
}

@media (max-width: 900px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }
}

/* FAQ */
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}

.faq-list {
    border-top: 1px solid var(--border);
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-hi);
    text-align: left;
    transition: color 0.2s ease;
    min-height: 56px;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    position: relative;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
    content: "";
    position: absolute;
    background: var(--text-mid);
    transition: transform 0.2s ease, background 0.2s ease;
}

.faq-icon::before {
    top: 7px;
    left: 0;
    width: 16px;
    height: 2px;
    border-radius: 1px;
}

.faq-icon::after {
    top: 0;
    left: 7px;
    width: 2px;
    height: 16px;
    border-radius: 1px;
}

.faq-item.active .faq-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-item.active .faq-icon::before {
    background: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer-inner {
    padding: 0 24px 16px;
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-item.active .faq-answer-inner {
    padding-top: 0;
}

/* CTA */
.cta-section {
    padding: 72px 20px;
    text-align: center;
    background:
        radial-gradient(600px 300px at 50% 80%, rgba(251, 106, 58, 0.12), transparent 70%),
        var(--bg-base);
}

.cta-inner {
    max-width: 680px;
    margin: 0 auto;
}

.cta-inner h2 {
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.cta-inner p {
    color: var(--text-mid);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .cta-section {
        padding: 56px 16px;
    }
    .cta-inner h2 {
        font-size: 26px;
    }
    .cta-btns .btn {
        width: 100%;
        max-width: 260px;
    }
}

/* Footer */
.site-footer {
    background: #080D12;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-low);
    line-height: 1.8;
    margin-top: 12px;
    max-width: 260px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-hi);
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-mid);
    transition: color 0.2s ease;
}

.footer-col ul li a:hover {
    color: var(--primary);
}

.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-low);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 520px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-copyright {
        flex-direction: column;
        text-align: center;
    }
}

/* 回到顶部 */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-mid);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary);
    color: #fff;
}

/* 动画 */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    animation: fadeUp 0.6s ease both;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

/* roulang page: category1 */
:root {
            --bg-base: #0A0F15;
            --bg-raised: #131C26;
            --bg-nav: rgba(10, 15, 21, 0.92);
            --primary: #FB6A3A;
            --primary-hover: #FF8557;
            --primary-pressed: #D9562B;
            --primary-soft: rgba(251, 106, 58, 0.12);
            --accent: #21D4B7;
            --accent-soft: rgba(33, 212, 183, 0.12);
            --text-hi: #EDF2F7;
            --text-mid: #A6B4C4;
            --text-low: #6D7D8E;
            --border: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.16);
            --success: #16C784;
            --warning: #F7B955;
            --error: #FF5A5A;
            --info: #36A1FF;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 8px 24px rgba(0, 0, 0, 0.18);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.05);
            --font: Inter, "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            --container: 1200px;
            --space-section: 88px;
        }
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg-base);
            color: var(--text-hi);
            font-size: 16px;
            line-height: 1.85;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--text-mid);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-hover);
        }
        ul {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, #FF9A5C 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 0 20px rgba(251, 106, 58, 0.35);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-hi);
            letter-spacing: 0.02em;
        }
        .logo-text span {
            color: var(--primary);
            margin-left: 2px;
        }
        .header-search {
            position: relative;
            flex: 0 1 320px;
        }
        .header-search input {
            width: 100%;
            height: 40px;
            padding: 0 40px 0 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-hi);
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .header-search input::placeholder {
            color: var(--text-low);
            letter-spacing: 0.05em;
        }
        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 1px var(--accent-soft);
        }
        .header-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-low);
            font-size: 14px;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.2s;
        }
        .header-login:hover {
            color: var(--text-hi);
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
            min-height: 44px;
            border: none;
            cursor: pointer;
            gap: 6px;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 4px 16px rgba(251, 106, 58, 0.3);
        }
        .btn-primary:active {
            background: var(--primary-pressed);
            transform: translateY(1px);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-text:focus-visible {
            outline: 2px solid rgba(33, 212, 183, 0.7);
            outline-offset: 2px;
        }
        .header-tabs-wrap {
            border-top: 1px solid var(--border);
        }
        .header-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header-tabs::-webkit-scrollbar {
            display: none;
        }
        .header-tab {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-mid);
            white-space: nowrap;
            transition: all 0.2s;
        }
        .header-tab:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-hi);
        }
        .header-tab.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--text-hi);
            font-size: 20px;
            transition: background 0.2s;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--bg-raised);
            z-index: 1200;
            padding: 24px;
            transition: right 0.3s ease;
            flex-direction: column;
            gap: 16px;
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.4);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1100;
            backdrop-filter: blur(2px);
        }
        .drawer-overlay.show {
            display: block;
        }
        .drawer-close {
            align-self: flex-end;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-mid);
            font-size: 18px;
            border-radius: 8px;
        }
        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .drawer-nav a {
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-hi);
        }
        .drawer-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .drawer-nav a.active {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .drawer-search input {
            width: 100%;
            height: 44px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 0 14px;
            color: var(--text-hi);
            font-size: 14px;
            outline: none;
        }
        .drawer-search input:focus {
            border-color: var(--primary);
        }
        .page-banner {
            position: relative;
            height: 220px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg-raised);
        }
        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            z-index: 0;
        }
        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 15, 21, 0.95) 0%, rgba(10, 15, 21, 0.72) 50%, rgba(10, 15, 21, 0.4) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-hi);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .page-banner .banner-desc {
            font-size: 15px;
            color: var(--text-mid);
            max-width: 640px;
            line-height: 1.8;
        }
        .news-list-section {
            padding: 64px 0 72px;
        }
        .news-list-section .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .news-list-section .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.25;
        }
        .section-head .section-tip {
            font-size: 14px;
            color: var(--text-low);
            margin-top: 8px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .news-card {
            display: flex;
            gap: 24px;
            background: var(--bg-raised);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
        }
        .news-card .news-thumb {
            flex: 0 0 260px;
            height: 150px;
            border-radius: 10px;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary-soft) 0%, var(--accent-soft) 100%);
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }
        .news-card .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            font-size: 12px;
            color: var(--text-low);
            letter-spacing: 0.03em;
            flex-wrap: wrap;
        }
        .news-card .news-badge {
            display: inline-flex;
            padding: 2px 10px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }
        .news-card .news-badge.badge-accent {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .news-card .news-meta .dot {
            width: 2px;
            height: 2px;
            border-radius: 50%;
            background: var(--text-low);
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            color: var(--text-hi);
            transition: color 0.2s;
        }
        .news-card h3 a {
            color: var(--text-hi);
        }
        .news-card h3 a:hover {
            color: var(--primary-hover);
        }
        .news-card .news-desc {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 10px;
        }
        .news-card .news-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .news-card .news-read {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            min-height: 44px;
        }
        .news-card .news-read:hover {
            color: var(--primary-hover);
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--text-low);
        }
        .empty-state {
            text-align: center;
            padding: 64px 20px;
            color: var(--text-mid);
        }
        .empty-state .empty-icon {
            font-size: 44px;
            color: var(--text-low);
            margin-bottom: 16px;
        }
        .empty-state p {
            font-size: 15px;
        }
        .cta-section {
            padding: 72px 20px;
            text-align: center;
            background: radial-gradient(600px 300px at 50% 100%, rgba(251, 106, 58, 0.12) 0%, transparent 70%);
            border-top: 1px solid var(--border);
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-mid);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border-strong);
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            min-height: 44px;
            transition: all 0.2s;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-strong);
            color: var(--text-hi);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-mid);
            min-height: 44px;
            padding: 0 8px;
            transition: color 0.2s;
        }
        .btn-text:hover {
            color: var(--primary);
        }
        .site-footer {
            background: #080D12;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-mid);
            display: inline-flex;
            align-items: center;
            min-height: 32px;
            transition: color 0.2s;
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            letter-spacing: 0.02em;
        }
        .back-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-raised);
            border: 1px solid var(--border);
            color: var(--text-mid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            z-index: 900;
            transition: all 0.2s;
        }
        .back-top:hover {
            color: var(--primary);
            border-color: var(--primary);
        }
        .related-section {
            padding: 0 0 56px;
            border-top: 1px solid var(--border);
            padding-top: 56px;
        }
        .related-section h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--bg-raised);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
        }
        .related-card .related-thumb {
            height: 130px;
            background: linear-gradient(135deg, var(--primary-soft) 0%, var(--accent-soft) 100%);
            overflow: hidden;
        }
        .related-card .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card .related-body {
            padding: 16px;
        }
        .related-card h3 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .related-card h3 a {
            color: var(--text-hi);
        }
        .related-card h3 a:hover {
            color: var(--primary-hover);
        }
        .related-card .related-date {
            font-size: 12px;
            color: var(--text-low);
        }
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .pagination a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 8px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text-mid);
            font-size: 14px;
            transition: all 0.2s;
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .pagination a.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .pagination .page-prev,
        .pagination .page-next {
            font-size: 13px;
            font-weight: 500;
        }
        .breadcrumb {
            padding: 16px 0 0;
            font-size: 13px;
            color: var(--text-low);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-mid);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-low);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-low);
        }
        .live-ticker {
            background: var(--bg-raised);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .live-ticker .live-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--success);
            white-space: nowrap;
        }
        .live-ticker .live-label::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 8px rgba(22, 199, 132, 0.6);
            animation: pulse 1.5s infinite ease-in-out;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .live-ticker .ticker-items {
            display: flex;
            align-items: center;
            gap: 12px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
        }
        .live-ticker .ticker-items::-webkit-scrollbar {
            display: none;
        }
        .live-ticker .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-mid);
            white-space: nowrap;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all 0.2s;
        }
        .live-ticker .ticker-item:hover {
            border-color: var(--border-strong);
            color: var(--text-hi);
        }
        .live-ticker .ticker-item .score {
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }
        .section-title-wrap {
            margin-bottom: 24px;
        }
        .section-title-wrap h2 {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.3;
        }
        .section-title-wrap .sub {
            font-size: 14px;
            color: var(--text-low);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .header-top {
                height: 56px;
            }
            .header-search {
                display: none;
            }
            .header-actions .header-login {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-tabs {
                height: 44px;
                overflow-x: auto;
            }
            .header-tab {
                height: 32px;
                padding: 0 14px;
                font-size: 13px;
            }
            .page-banner {
                height: 190px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-desc {
                font-size: 14px;
                line-height: 1.7;
            }
            .news-list-section {
                padding: 40px 0;
            }
            .news-card {
                flex-direction: column;
                gap: 12px;
                padding: 12px;
            }
            .news-card .news-thumb {
                flex: none;
                width: 100%;
                height: 190px;
            }
            .news-card h3 {
                font-size: 16px;
                -webkit-line-clamp: 2;
            }
            .news-card .news-desc {
                -webkit-line-clamp: 3;
            }
            .news-list-section .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-list-section .section-head h2 {
                font-size: 22px;
            }
            .cta-section {
                padding: 48px 16px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn-primary,
            .cta-buttons .btn-secondary {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-copyright {
                flex-direction: column;
                gap: 4px;
                font-size: 12px;
                text-align: center;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .live-ticker {
                padding: 16px;
                gap: 12px;
            }
            .pagination a {
                min-width: 40px;
                height: 40px;
                font-size: 13px;
            }
            :root {
                --space-section: 56px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .page-banner {
                height: 180px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner .banner-desc {
                font-size: 13px;
                -webkit-line-clamp: 4;
                overflow: hidden;
                display: -webkit-box;
                -webkit-box-orient: vertical;
            }
            .news-card .news-thumb {
                height: 160px;
            }
            .news-card .news-footer {
                flex-direction: row;
            }
            .news-card .news-date {
                font-size: 11px;
            }
            .related-card .related-thumb {
                height: 150px;
            }
        }
        @media (min-width: 769px) {
            .mobile-drawer,
            .drawer-overlay {
                display: none !important;
            }
        }

/* roulang page: article */
:root {
    --bg-base: #0A0F15;
    --bg-raised: #131C26;
    --bg-nav: rgba(10, 15, 21, 0.92);
    --primary: #FB6A3A;
    --primary-hover: #FF8557;
    --primary-pressed: #D9562B;
    --primary-soft: rgba(251, 106, 58, 0.12);
    --accent: #21D4B7;
    --accent-soft: rgba(33, 212, 183, 0.12);
    --text-hi: #EDF2F7;
    --text-mid: #A6B4C4;
    --text-low: #6D7D8E;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --success: #16C784;
    --warning: #F7B955;
    --error: #FF5A5A;
    --info: #36A1FF;
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-input: 10px;
    --shadow-card: 0 2px 8px rgba(0,0,0,0.25), 0 8px 24px rgba(0,0,0,0.18);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.05);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-base);
    color: var(--text-hi);
    line-height: 1.7;
    font-size: 16px;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input {
    font-family: inherit;
    font-size: 14px;
    color: var(--text-hi);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 26px;
    border-radius: var(--radius-btn);
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 18px rgba(251,106,58,0.35);
    transform: translateY(-1px);
}
.btn-primary:active {
    background: var(--primary-pressed);
    transform: translateY(1px);
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.cta-btn:focus-visible {
    outline: 2px solid rgba(33,212,183,0.7);
    outline-offset: 2px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: rgba(255,255,255,0.72);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--border-strong);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.28);
    color: var(--text-hi);
}
.btn-secondary:active {
    transform: translateY(1px);
}

/* ===== Header ===== */
.site-header {
    position: relative;
    z-index: 200;
}

.header-top {
    height: 56px;
    background: var(--bg-nav);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 205;
}

.header-top-inner {
    height: 56px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-shrink: 0;
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary) 0%, #D9562B 60%, #B8431F 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(251,106,58,0.35);
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-hi);
    letter-spacing: 0.01em;
    line-height: 1;
}
.logo-text span {
    color: var(--primary);
    margin-left: 2px;
}

.header-search {
    flex: 1;
    max-width: 320px;
    display: flex;
    align-items: center;
    height: 38px;
}
.header-search input {
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-input) 0 0 var(--radius-input);
    padding: 0 14px;
    font-size: 14px;
    color: var(--text-hi);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.header-search input::placeholder {
    color: var(--text-low);
    letter-spacing: 0.02em;
}
.header-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--accent-soft);
}
.header-search button {
    height: 100%;
    padding: 0 16px;
    background: var(--primary);
    border-radius: 0 var(--radius-input) var(--radius-input) 0;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}
.header-search button:hover {
    background: var(--primary-hover);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}
.btn-login {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-mid);
    padding: 8px 12px;
    border-radius: 8px;
}
.btn-login:hover {
    color: var(--primary);
    background: var(--primary-soft);
}
.btn-register {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--primary);
    padding: 9px 20px;
    border-radius: var(--radius-btn);
    transition: background 0.2s ease, transform 0.15s ease;
}
.btn-register:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}
.btn-register:active {
    background: var(--primary-pressed);
    transform: translateY(0);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    margin-left: auto;
    flex-shrink: 0;
    padding: 0 10px;
    border-radius: 8px;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-hi);
    border-radius: 2px;
    transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle:hover span {
    background: var(--primary);
}

/* tabs bar */
.header-tabs-wrap {
    background: rgba(8, 13, 18, 0.96);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 190;
}

.header-tabs {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.header-tabs::-webkit-scrollbar {
    display: none;
}

.header-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-mid);
    white-space: nowrap;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.header-tab:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-hi);
}
.header-tab.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(251,106,58,0.3);
}

/* mobile menu */
.mobile-scrim {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 215;
}
.mobile-scrim.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu {
    position: fixed;
    top: 56px;
    right: 0;
    width: 280px;
    height: 100vh;
    background: #0C131B;
    border-left: 1px solid var(--border);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transform: translateX(100%);
    transition: transform 0.32s ease;
    z-index: 220;
    box-shadow: -12px 0 32px rgba(0,0,0,0.4);
}
.mobile-menu.open {
    transform: translateX(0);
}
.mobile-menu a {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-mid);
    padding: 12px 14px;
    border-radius: 10px;
}
.mobile-menu a:hover {
    color: var(--primary);
    background: var(--primary-soft);
}
.mobile-menu-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.mobile-menu-actions .btn-register {
    display: inline-flex;
}

/* ===== Main / Article ===== */
.article-container {
    max-width: 800px;
    padding-top: 24px;
    padding-bottom: 48px;
}

/* breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: var(--text-low);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}
.breadcrumb a {
    color: var(--text-mid);
    transition: color 0.2s ease;
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb .sep {
    color: var(--text-low);
    margin: 0 2px;
}
.breadcrumb .crumb-current {
    max-width: 380px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-mid);
}

/* article head */
.article-head {
    position: relative;
    padding: 16px 0 28px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}
.article-head::before {
    content: '';
    position: absolute;
    left: -18px;
    top: 18px;
    bottom: 28px;
    width: 4px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, rgba(251,106,58,0.1) 100%);
}
.article-head h1 {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-hi);
    margin-bottom: 16px;
    letter-spacing: 0.005em;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0px;
    font-size: 13px;
    color: var(--text-low);
    letter-spacing: 0.02em;
}
.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
}
.article-meta .dot {
    margin: 0 10px;
    color: var(--text-low);
    opacity: 0.7;
}
.article-meta .badge {
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 12px;
    border-radius: 6px;
    letter-spacing: 0.03em;
}

/* article body */
.article-body {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 40px 32px;
    margin-bottom: 24px;
}
.article-body p {
    margin: 24px 0;
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-mid);
    letter-spacing: 0.01em;
}
.article-body p:first-child {
    margin-top: 0;
}
.article-body h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-hi);
    margin: 36px 0 16px;
    line-height: 1.35;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-hi);
    margin: 28px 0 12px;
    line-height: 1.4;
}
.article-body img {
    max-width: 100%;
    border-radius: 12px;
    margin: 28px 0;
    box-shadow: var(--shadow-card);
}
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: rgba(251,106,58,0.06);
    padding: 16px 20px;
    margin: 28px 0;
    border-radius: 0 10px 10px 0;
    color: var(--text-mid);
    font-size: 15px;
    line-height: 1.8;
}
.article-body ul,
.article-body ol {
    margin: 20px 0 20px 24px;
    padding: 0;
    color: var(--text-mid);
    font-size: 16px;
    line-height: 1.85;
}
.article-body li {
    margin: 8px 0;
}
.article-body a {
    color: var(--primary);
    border-bottom: 1px solid rgba(251,106,58,0.3);
    transition: border-color 0.2s ease, color 0.2s ease;
}
.article-body a:hover {
    color: var(--primary-hover);
    border-bottom-color: var(--primary-hover);
}
.article-body pre {
    background: #0D1520;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    overflow-x: auto;
    font-size: 14px;
    font-family: "SFMono-Regular", Consolas, monospace;
    line-height: 1.7;
    margin: 28px 0;
    color: var(--text-mid);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 14px;
    color: var(--text-mid);
}
.article-body th {
    background: rgba(255,255,255,0.05);
    color: var(--text-hi);
    font-weight: 600;
    text-align: left;
}
.article-body td,
.article-body th {
    border: 1px solid var(--border);
    padding: 12px 16px;
}

/* not found */
.not-found {
    text-align: center;
    padding: 72px 20px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 16px;
}
.not-found-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.not-found h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: 10px;
}
.not-found p {
    font-size: 14px;
    color: var(--text-low);
    margin-bottom: 26px;
}

/* tags */
.tags-wrap {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 0 0;
    font-size: 13px;
}
.tag-label {
    color: var(--text-low);
    letter-spacing: 0.03em;
    margin-right: 4px;
}
.tag-item {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-mid);
    letter-spacing: 0.02em;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.tag-item:hover {
    color: var(--primary);
    background: var(--primary-soft);
    border-color: rgba(251,106,58,0.2);
}
.back-link {
    margin-left: auto;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-mid);
    padding: 6px 10px;
    border-radius: 8px;
}
.back-link:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

/* ===== Related ===== */
.related {
    padding: 56px 0 72px;
    background: linear-gradient(180deg, transparent 0%, rgba(13, 21, 32, 0.5) 100%);
    border-top: 1px solid var(--border);
}
.related .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.related .section-head h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-hi);
    letter-spacing: 0.01em;
}
.related .section-more {
    font-size: 13px;
    color: var(--text-mid);
    padding: 8px 12px;
    border-radius: 8px;
}
.related .section-more:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-strong);
}
.related-card .thumb {
    position: relative;
    height: 148px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(251,106,58,0.5), rgba(33,212,183,0.4));
}
.related-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}
.related-card:hover .thumb img {
    transform: scale(1.04);
}
.related-card .thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10,15,21,0.4) 100%);
}
.related-card .card-body {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-card .card-body h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-hi);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}
.related-card:hover .card-body h3 {
    color: var(--primary);
}
.related-card .card-meta {
    margin-top: auto;
    font-size: 12px;
    color: var(--text-low);
    letter-spacing: 0.02em;
}

/* ===== CTA ===== */
.cta-section {
    padding: 64px 20px 72px;
    text-align: center;
    background:
        radial-gradient(600px 300px at 50% 0%, rgba(251,106,58,0.13), transparent 65%),
        var(--bg-base);
    border-top: 1px solid var(--border);
}
.cta-section h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-hi);
    margin-bottom: 12px;
    letter-spacing: 0.01em;
}
.cta-section p {
    font-size: 15px;
    color: var(--text-mid);
    margin-bottom: 28px;
    line-height: 1.7;
}
.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 34px;
    border-radius: var(--radius-btn);
    min-width: 180px;
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.cta-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(251,106,58,0.35);
}
.cta-btn:active {
    background: var(--primary-pressed);
    transform: translateY(1px);
}

/* ===== Footer ===== */
.site-footer {
    background: #080D12;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 48px 0 36px;
}
.footer-brand .logo {
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 13px;
    line-height: 1.75;
    color: var(--text-low);
    max-width: 340px;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-hi);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}
.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-col ul li {
    margin-bottom: 8px;
}
.footer-col ul a {
    font-size: 13px;
    color: var(--text-mid);
    transition: color 0.2s ease;
}
.footer-col ul a:hover {
    color: var(--primary);
}
.footer-copyright {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--text-low);
    letter-spacing: 0.03em;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #0C131B;
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.14);
    border-radius: 6px;
    border: 2px solid #0C131B;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(251,106,58,0.6);
}

::selection {
    background: rgba(251,106,58,0.25);
    color: var(--text-hi);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .header-search {
        display: none;
    }
    .header-actions .btn-login {
        display: none;
    }
    .header-actions .btn-register {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .header-top-inner {
        gap: 12px;
    }
    .article-head h1 {
        font-size: 26px;
    }
    .article-body {
        padding: 24px 20px;
    }
    .article-body p {
        font-size: 15px;
        line-height: 1.8;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .cta-section {
        padding: 48px 16px 56px;
    }
    .cta-section h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 40px 0 28px;
    }
    .footer-copyright {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .article-container {
        padding-top: 16px;
    }
    .article-head::before {
        left: -10px;
    }
    .not-found {
        padding: 56px 16px;
    }
}

@media (max-width: 480px) {
    .hero-tabs {
        gap: 4px;
    }
    .header-tab {
        padding: 0 14px;
    }
    .related-card .thumb {
        height: 160px;
    }
    .article-body h2 {
        font-size: 21px;
    }
    .article-body h3 {
        font-size: 18px;
    }
}

/* roulang page: category2 */
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-base);
  color: var(--text-hi);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; border: none; outline: none; }
ul, ol { list-style: none; }

:root {
  --bg-base: #0A0F15;
  --bg-raised: #131C26;
  --bg-nav: rgba(10, 15, 21, 0.92);
  --primary: #FB6A3A;
  --primary-hover: #FF8557;
  --primary-pressed: #D9562B;
  --primary-soft: rgba(251, 106, 58, 0.12);
  --accent: #21D4B7;
  --accent-soft: rgba(33, 212, 183, 0.12);
  --text-hi: #EDF2F7;
  --text-mid: #A6B4C4;
  --text-low: #6D7D8E;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --success: #16C784;
  --warning: #F7B955;
  --error: #FF5A5A;
  --info: #36A1FF;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-input: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.25), 0 8px 24px rgba(0,0,0,0.18);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.05);
  --container-w: 1200px;
  --section-gap: 88px;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  :root { --section-gap: 56px; }
}

/* ===== Typography ===== */
.section-title {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}
.section-sub {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 32px;
}
@media (max-width: 767px) {
  .section-title { font-size: 26px; }
  .section-sub { font-size: 14px; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  white-space: nowrap;
  min-height: 44px;
}
.btn:focus-visible {
  outline: 2px solid rgba(33, 212, 183, 0.7);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { background: var(--primary-pressed); transform: translateY(1px); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: rgba(255,255,255,0.75);
}
.btn-secondary:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.28); }
.btn-secondary:active { transform: translateY(1px); }
.btn-sm { padding: 8px 18px; font-size: 14px; min-height: 38px; border-radius: 8px; }
.btn-block { width: 100%; }

/* ===== Badges / Tags ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--primary-soft);
  color: var(--primary);
}
.tag-pill {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  background: rgba(255,255,255,0.05);
  color: var(--text-mid);
  border: 1px solid var(--border);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.tag-pill:hover {
  color: var(--primary);
  border-color: rgba(251,106,58,0.4);
}

/* ===== Header (双层导航) ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-top {
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: 56px;
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, #C94320 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 16px rgba(251,106,58,0.35);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-hi);
  line-height: 1;
}
.logo-text span {
  color: var(--primary);
  font-weight: 700;
}
.header-search {
  flex: 0 1 340px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  height: 38px;
  padding: 0 8px 0 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.header-search svg { flex-shrink: 0; color: var(--text-low); }
.header-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-hi);
  font-size: 14px;
  padding: 0 8px;
  min-height: 36px;
}
.header-search input::placeholder { color: var(--text-low); }
.header-search button {
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.2s ease;
  min-height: 28px;
}
.header-search button:hover { background: var(--primary-hover); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header-actions .btn { min-height: 38px; padding: 8px 18px; font-size: 14px; border-radius: 8px; }
.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  font-weight: 600;
  border: 1px solid transparent;
}
.btn-ghost:hover { color: var(--text-hi); background: rgba(255,255,255,0.05); }

.header-bottom {
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  height: 48px;
  position: sticky;
  top: 56px;
  z-index: 99;
}
.header-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.header-tabs::-webkit-scrollbar { display: none; }
.header-tab {
  display: inline-flex;
  align-items: center;
  align-self: center;
  height: 34px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  transition: background 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
  white-space: nowrap;
  line-height: 34px;
}
.header-tab:hover { background: rgba(255,255,255,0.06); color: var(--text-hi); }
.header-tab.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--text-mid);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
}
.menu-toggle:hover { color: var(--text-hi); background: rgba(255,255,255,0.08); }

/* 移动端抽屉 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 15, 21, 0.98);
  z-index: 200;
  padding: 20px 16px;
  overflow-y: auto;
}
.mobile-drawer.open { display: block; }
.drawer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.drawer-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  color: var(--text-mid);
}
.drawer-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 12px;
  margin-bottom: 20px;
}
.drawer-search input {
  flex: 1;
  background: transparent;
  color: var(--text-hi);
  font-size: 15px;
  height: 44px;
}
.drawer-search input::placeholder { color: var(--text-low); }
.drawer-nav { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.drawer-nav a {
  display: block;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  color: var(--text-hi);
  font-size: 16px;
  font-weight: 600;
  min-height: 48px;
  line-height: 1.2;
}
.drawer-nav a.active { background: var(--primary-soft); color: var(--primary); }
.drawer-cta { display: flex; flex-direction: column; gap: 10px; }

/* ===== Banner ===== */
.category-banner {
  position: relative;
  height: 260px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(10,15,21,0.94) 20%, rgba(10,15,21,0.7) 70%, rgba(10,15,21,0.4) 100%), url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.category-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 240px at 75% 20%, rgba(251,106,58,0.12), transparent 60%);
  pointer-events: none;
}
.banner-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 20px;
  padding-bottom: 20px;
}
.banner-inner .badge { margin-bottom: 12px; }
.banner-inner h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.banner-inner p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
}
@media (max-width: 767px) {
  .category-banner { height: 200px; }
  .banner-inner h1 { font-size: 28px; }
  .banner-inner p { font-size: 13px; }
}

/* ===== Guide Cards (两列大图专题卡片) ===== */
.guide-section {
  padding: var(--section-gap) 0 20px;
  background: var(--bg-base);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.guide-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
}
.guide-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(251,106,58,0.3), rgba(33,212,183,0.2));
}
.guide-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.guide-card:hover .guide-card-cover img { transform: scale(1.04); }
.guide-card-cover .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(251,106,58,0.16);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(251,106,58,0.2);
}
.guide-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-hi);
}
.guide-card-body p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
}
.guide-points {
  list-style: none;
  margin-bottom: 20px;
  padding: 0;
}
.guide-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 6px;
}
.guide-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.guide-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.guide-card-footer .link-more {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  transition: color 0.2s ease;
}
.guide-card-footer .link-more:hover { color: var(--primary-hover); }
.guide-card-footer .link-more svg { transition: transform 0.2s ease; }
.guide-card-footer .link-more:hover svg { transform: translateX(4px); }
.guide-card-footer .pub-date {
  font-size: 12px;
  color: var(--text-low);
}
@media (max-width: 767px) {
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card-body h3 { font-size: 18px; }
}

/* ===== Stats Grid (2x2) ===== */
.stats-section {
  padding: 40px 0;
  background: var(--bg-raised);
  background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 48px;
  max-width: 880px;
  margin: 0 auto;
}
.stat-cell {
  position: relative;
  padding-left: 20px;
}
.stat-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.stat-cell .stat-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}
.stat-cell .stat-num small { font-size: 18px; font-weight: 700; margin-left: 2px; }
.stat-cell .stat-label {
  font-size: 14px;
  color: var(--text-mid);
  margin-top: 6px;
}
@media (max-width: 767px) {
  .stats-grid { gap: 24px; }
  .stat-cell .stat-num { font-size: 32px; }
}

/* ===== Steps / 流程 ===== */
.steps-section {
  padding: var(--section-gap) 0;
  background: var(--bg-base);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-item {
  position: relative;
  padding: 28px 20px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.step-item:hover {
  transform: translateY(-4px);
  border-color: rgba(251,106,58,0.35);
}
.step-item .step-num {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  color: rgba(255,255,255,0.08);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.step-item .step-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 6px;
}
.step-item .step-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
}
.step-item::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), transparent 80%);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.step-item:hover::after { opacity: 1; }
@media (max-width: 1023px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ===== Hot Guides / 热门攻略精选 ===== */
.hot-section {
  padding: var(--section-gap) 0;
  background: var(--bg-base);
}
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.hot-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.hot-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
}
.hot-card .hot-thumb {
  flex-shrink: 0;
  width: 180px;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(251,106,58,0.25), rgba(33,212,183,0.18));
}
.hot-card .hot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hot-card:hover .hot-thumb img { transform: scale(1.04); }
.hot-card .hot-body { flex: 1; min-width: 0; }
.hot-card .hot-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 6px;
  line-height: 1.4;
  transition: color 0.2s ease;
}
.hot-card .hot-body h3 a:hover { color: var(--primary); }
.hot-card .hot-body p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-card .hot-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-low);
}
.hot-card .hot-meta .badge { padding: 2px 10px; font-size: 11px; }
@media (max-width: 767px) {
  .hot-card { flex-direction: column; align-items: stretch; gap: 14px; }
  .hot-card .hot-thumb { width: 100%; }
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--section-gap) 0 0;
  background: var(--bg-base);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  width: 100%;
  min-height: 56px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-hi);
  line-height: 1.4;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--text-mid);
  border-radius: 2px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.faq-icon::before { transform: translate(-50%, -50%); }
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(180deg); }
.faq-item.open .faq-icon::before { background: var(--primary); }
.faq-item.open .faq-icon::after { background: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
  padding: 0;
}
.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 24px 18px 0;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
}
@media (max-width: 520px) {
  .faq-question { font-size: 15px; }
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 20px;
  text-align: center;
  background: radial-gradient(600px 240px at 50% 0%, rgba(251,106,58,0.12), transparent 65%), var(--bg-base);
  border-top: 1px solid var(--border);
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}
.cta-inner p {
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}
.cta-inner .btn { min-width: 200px; }
.cta-inner .btn-secondary { margin-left: 12px; }
@media (max-width: 520px) {
  .cta-section { padding: 56px 16px; }
  .cta-inner h2 { font-size: 24px; }
  .cta-inner .btn { width: 100%; }
  .cta-inner .btn-secondary { margin-left: 0; margin-top: 12px; width: 100%; }
}

/* ===== Footer ===== */
.site-footer {
  background: #080D12;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-low);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-mid);
  transition: color 0.2s ease;
}
.footer-col ul a:hover { color: var(--primary); }
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-low);
}
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-copyright { flex-direction: column; align-items: flex-start; font-size: 12px; }
}

/* ===== 返回首页 ===== */
.back-home {
  padding: 24px 0 48px;
  text-align: center;
}
.back-home a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-mid);
  transition: color 0.2s ease;
  min-height: 44px;
}
.back-home a:hover { color: var(--primary); }

/* ===== Focus / 可访问性 ===== */
a:focus-visible {
  outline: 2px solid rgba(33, 212, 183, 0.7);
  outline-offset: 2px;
  border-radius: 4px;
}
input:focus-visible, textarea:focus-visible {
  outline: 2px solid rgba(33, 212, 183, 0.7);
  outline-offset: 1px;
}

/* ===== 响应式 Header ===== */
@media (max-width: 767px) {
  .header-search { display: none; }
  .header-actions .btn-ghost { display: none; }
  .header-actions .btn-primary { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-bottom { position: sticky; top: 56px; }
}

@media (min-width: 768px) {
  .mobile-drawer { display: none !important; }
}
